目录

• Version Overview
• Version Format Update Notes
• New and Enhanced Features
• Ability Kit
• Agent Framework Kit
• ArkUI
• ArkWeb
• Audio Kit
• Background Tasks Kit
• Basic Services Kit
• Connectivity Kit
• Device Security Kit
• Form Kit
• Graphics Accelerate Kit
• IPC Kit
• Live View Kit
• Location Kit
• MDM Kit
• Media Kit
• Media Library Kit
• NearLink Kit
• Network Kit
• Telephony Kit
• Universal Keystore Kit
• Ability Kit
• Accessibility Kit
• Account Kit
• Agent Framework Kit
• AOD Navigation Kit
• AppGallery Kit
• ArkData
• ArkGraphics 2D
• ArkTS
• ArkUI
• ArkWeb
• Asset Store Kit
• Audio Kit
• AVSession Kit
• Background Tasks Kit
• Basic Services Kit
• Calendar Kit
• Call Service Kit
• Camera Kit
• Confidential Space Kit
• Connectivity Kit
• Contacts Kit
• Core File Kit
• Crypto Architecture Kit
• Data Protection Kit
• Desktop Extension Kit
• Device Security Kit
• Distributed Service Kit
• Enterprise DataGuard Kit
• Enterprise Space Kit
• Enterprise Threat Protection Kit
• FAST Kit
• Form Kit
• Graphics Accelerate Kit
• Image Kit
• IME Kit
• Input Kit
• Intents Kit
• Live View Kit
• Localization Kit
• Location Kit
• Map Kit
• MDM Kit
• Media Kit
• Media Library Kit
• Multimodal Awareness Kit
• Natural Language Kit
• NearLink Kit
• Network Boost Kit
• Network Kit
• Notification Kit
• Online Authentication Kit
• Payment Kit
• PDF Kit
• Penkit
• Performance Analysis Kit
• Remote Communication Kit
• Ringtone Kit
• Service Collaboration Kit
• Service Support Kit
• Service Support System Kit
• Spatial Recon Kit
• Speech Kit
• Telephony Kit
• Test Kit
• UI Design Kit
• Universal Keystore Kit
• User Authentication Kit
• Vision Kit
• Ability Kit
• Accessibility Kit
• Accessory Kit
• Account Kit
• AREngine
• ArkData
• ArkGraphics 2D
• ArkGraphics 3D
• ArkTS
• ArkUI
• ArkWeb
• Asset Store Kit
• Audio Kit
• AVSession Kit
• Background Tasks Kit
• Basic Services Kit
• Camera Kit
• Connectivity Kit
• Contacts Kit
• Core File Kit
• Core Vision Kit
• Crypto Architecture Kit
• Data Augmentation Kit
• Data Protection Kit
• Device Certificate Kit
• Device Security Kit
• Distributed Service Kit
• Enterprise DataGuard Kit
• Enterprise Space Kit
• FAST Kit
• Graphics Accelerate Kit
• Image Kit
• IME Kit
• Input Kit
• Live View Kit
• Localization Kit
• Location Kit
• MDM Kit
• Mechanic Kit
• Media Kit
• Media Library Kit
• Network Boost Kit
• Network Kit
• Notification Kit
• Online Authentication Kit
• PDF Kit
• Performance Analysis Kit
• Preview Kit
• Push Kit
• Remote Communication Kit
• Scan Kit
• Scenario Fusion Kit
• Screen Time Guard Kit
• Sensor Service Kit
• Share Kit
• Spatial Recon Kit
• Telephony Kit
• Test Kit
• UI Design Kit
• Universal Keystore Kit
• User Authentication Kit
• New and Enhanced Features
• Changelogs
• HarmonyOS Development Suite Versions
• Version Overview
• New and Enhanced Features
• Ability Kit
• ArkGraphics 2D
• ArkTS
• ArkUI
• ArkWeb
• Audio Kit
• Background Tasks Kit
• Call Service Kit
• Camera Kit
• Contacts Kit
• Core File Kit
• Distributed Service Kit
• Enterprise Threat Protection Kit
• MDM Kit
• Media Library Kit
• Performance Analysis Kit
• Wear Engine
• Ability Kit
• App Gallery Kit
• ArkData
• ArkGraphics 2D
• ArkTS
• ArkUI
• ArkWeb
• Audio Kit
• AVSession Kit
• Background Tasks Kit
• Basic Services Kit
• Call Service Kit
• Camera Kit
• Connectivity Kit
• Core File Kit
• Core Speech Kit
• Data Protection Kit
• Desktop Extension Kit
• Device Security Kit
• Distributed Service Kit
• Enterprise DataGuard Kit
• Enterprise Threat Protection Kit
• Form Kit
• Health Service Kit
• Image Kit
• Live View Kit
• Map Kit
• MDM Kit
• Media Kit
• Media Library Kit
• Multimodal Awareness Kit
• NearLink Kit
• Network Boost Kit
• Network Kit
• Notification Kit
• Payment Kit
• Performance Analysis Kit
• Remote Communication Kit
• Screen Time Guard Kit
• Speech Kit
• Telephony Kit
• UI Design Kit
• Universal Keystore Kit
• Vision Kit
• Wear Engine Kit
• New and Enhanced Features
• Version Overview
• New and Enhanced Features
• Ability Kit
• ArkUI
• Basic Services Kit
• Connectivity Kit
• Core File Kit
• IPC Kit
• Location Kit
• MDM Kit
• Media Library Kit
• Network Kit
• Payment Kit
• Remote Communication Kit
• Share Kit
• Telephony Kit
• Ability Kit
• Accessibility Kit
• Account Kit
• AppGallery Kit
• AR Engine
• ArkData
• ArkGraphics 2D
• ArkGraphics 3D
• ArkTS
• ArkUI
• ArkWeb
• Audio Kit
• AVSession Kit
• Background Tasks Kit
• Basic Services Kit
• Calendar Kit
• Call Service Kit
• Camera Kit
• Cloud Foundation Kit
• Connectivity Kit
• Contacts Kit
• Core File Kit
• Crypto Architecture Kit
• Data Augmentation Kit
• Data Protection Kit
• Desktop Extension Kit
• Device Certificate Kit
• Device Security Kit
• Distributed Service Kit
• Enterprise Space Kit
• File Manager Service Kit
• Form Kit
• Game Service Kit
• Graphics Accelerate Kit
• IAP Kit
• Image Kit
• IME Kit
• Input Kit
• IPC Kit
• Live View Kit
• Localization Kit
• Location Kit
• Map Kit
• MDM Kit
• Media Kit
• Media Library Kit
• Multimodal Awareness Kit
• NearLink Kit
• Network Kit
• Notification Kit
• Payment Kit
• PDF Kit
• Pen kit
• Performance Analysis Kit
• Remote Communication Kit
• Sensor Service Kit
• Service Collaboration Kit
• Spatial Recon Kit
• Speech Kit
• Telephony Kit
• UI Design Kit
• Universal Keystore Kit
• Weather Service Kit
• New and Enhanced Features
• Changelogs
• Version Overview
• New and Enhanced Features
• Ability Kit
• AppGallery Kit
• ArkData
• ArkGraphics 2D
• ArkGraphics 3D
• ArkTS
• ArkUI
• ArkWeb
• Audio Kit
• AVSession Kit
• Background Tasks Kit
• Basic Services Kit
• Call Service Kit
• Camera Kit
• Connectivity Kit
• Contacts Kit
• Crypto Architecture Kit
• Desktop Extension Kit
• Device Certificate Kit
• Device Security Kit
• Enterprise Space Kit
• Form Kit
• Game Service Kit
• Image Kit
• IME Kit
• Input Kit
• Live View Kit
• Map Kit
• MDM Kit
• Media Kit
• Media Library Kit
• Network Kit
• Notification Kit
• PDF Kit
• Performance Analysis Kit
• Scan Kit
• Scenario Fusion Kit
• Screen Time Guard Kit
• Sensor Service Kit
• Share Kit
• Telephony Kit
• Test Kit
• UI Design Kit
• Universal Keystore Kit
• User Authentication Kit
• New and Enhanced Features
• Version Overview
• New and Enhanced Features
• Ability Kit
• ArkUI
• ArkWeb
• Background Tasks Kit
• Basic Services Kit
• Connectivity Kit
• Media Library Kit
• Notification Kit
• Performance Analysis Kit
• Ability Kit
• Accessibility Kit
• Agent Framework Kit
• ArkGraphics 2D
• ArkGraphics 3D
• ArkUI
• ArkWeb
• Audio Kit
• AVSession Kit
• Background Tasks Kit
• Basic Services Kit
• Calendar Kit
• Camera Kit
• Cloud Foundation Kit
• Connectivity Kit
• Core File Kit
• Crypto Architecture Kit
• Data Protection Kit
• Device Certificate Kit
• Device Security Kit
• Enterprise Space Kit
• Game Service Kit
• IME Kit
• Location Kit
• Map Kit
• MDM Kit
• Media Kit
• Media Library Kit
• Near Link Kit
• Network Kit
• Online Authentication Kit
• PDF Kit
• Performance Analysis Kit
• Remote Communication Kit
• Scenario Fusion Kit
• Share Kit
• Spatial Recon Kit
• Speech Kit
• Telephony Kit
• UI Design Kit
• New and Enhanced Features
• Version Overview
• New and Enhanced Features
• Ads Kit
• ArkData
• ArkUI
• ArkWeb
• Basic Services Kit
• Camera Kit
• Connectivity Kit
• Core File Kit
• MDM Kit
• Media Kit
• Multimodal Awareness Kit
• Network Kit
• Notification Kit
• Telephony Kit
• User Authentication Kit
• Ability Kit
• Accessibility Kit
• Account Kit
• Agent Framework Kit
• AppGallery Kit
• ArkData
• ArkGraphics 2D
• ArkGraphics 3D
• ArkTS
• ArkUI
• ArkWeb
• Audio Kit
• AVSession Kit
• Background Tasks Kit
• Basic Services Kit
• Calendar Kit
• Camera Kit
• Connectivity Kit
• Core File Kit
• Data Augmentation Kit
• Desktop Extension Kit
• Device Certificate Kit
• Device Security Kit
• Distributed Service Kit
• Enterprise Data Guard Kit
• Enterprise Space Kit
• Form Kit
• Game Service Kit
• IAP Kit
• Image Kit
• IME Kit
• Input Kit
• Live View Kit
• Localization Kit
• Location Kit
• Map Kit
• MDM Kit
• Mechanic Kit
• Media Kit
• Media Library Kit
• Network Boost Kit
• Network Kit
• Notification Kit
• Online Authentication Kit
• Payment Kit
• Performance Analysis Kit
• Push Kit
• Remote Communication Kit
• Scenario Fusion Kit
• Service Collaboration Kit
• Share Kit
• Test Kit
• UI Design Kit
• Universal Keystore Kit
• User Authentication Kit
• Ability Kit
• Accessibility Kit
• Account Kit
• AppGallery Kit
• AR Engine
• ArkData
• ArkGraphics 2D
• ArkTS
• ArkUI
• ArkWeb
• Audio Kit
• Background Tasks Kit
• Basic Services Kit
• Call Service Kit
• Car Kit
• Core File Kit
• Core Vision Kit
• Data Augmentation Kit
• Data Protection Kit
• Device Security Kit
• Distributed Service Kit
• Form Kit
• Game Service Kit
• Image Kit
• IME Kit
• Input Kit
• Intents Kit
• Live View Kit
• Localization Kit
• Map Kit
• MDM Kit
• Media Kit
• Media Library Kit
• Multimodal Awareness Kit
• Network Kit
• PDF Kit
• Pen Kit
• Performance Analysis Kit
• Remote Communication Kit
• Screen Time Guard Kit
• Sensor Service Kit
• Share Kit
• Telephony Kit
• UI Design Kit
• Ability Kit
• Accessibility Kit
• AR Engine
• ArkData
• ArkGraphics 2D
• ArkGraphics 3D
• ArkTS
• ArkUI
• ArkWeb
• Asset Store Kit
• Audio Kit
• AVSession Kit
• Background Tasks Kit
• Basic Services Kit
• Camera Kit
• Connectivity Kit
• Core File Kit
• Crypto Architecture Kit
• Data Augmentation Kit
• Data Protection Kit
• Device Certificate Kit
• Device Security Kit
• Distributed Service Kit
• Enterprise Space Kit
• Form Kit
• Graphics Accelerate Kit
• Image Kit
• IME Kit
• Input Kit
• Localization Kit
• Location Kit
• MDM Kit
• Media Kit
• Media Library Kit
• Multimodal Awareness Kit
• Notification Kit
• Online Authentication Kit
• Pen kit
• Performance Analysis Kit
• Remote Communication Kit
• Screen Time Guard Kit
• Share Kit
• Test Kit
• UI Design Kit
• Universal Keystore Kit
• User Authentication Kit
• New and Enhanced Features
• Changelogs
• Version Overview
• New and Enhanced Features
• Account Kit
• AREngine
• ArkUI
• Connectivity Kit
• Intents Kit
• Media Kit
• Multimodal Awareness Kit
• Pen Kit
• Sensor Service Kit
• Ability Kit
• Account Kit
• AppGallery Kit
• ArkGraphics 2D
• ArkGraphics 3D
• ArkTS
• ArkUI
• ArkWeb
• Audio Kit
• AVSession Kit
• Background Tasks Kit
• Basic Services Kit
• Camera Kit
• Connectivity Kit
• Core File Kit
• Core Speech Kit
• Device Security Kit
• Distributed Service Kit
• Driver Development Kit
• Enterprise Data Guard Kit
• Form Kit
• Graphics Accelerate Kit
• IME Kit
• Live View Kit
• Localization Kit
• Location Kit
• Map Kit
• MDM Kit
• Media Kit
• Media Library Kit
• Network Kit
• Payment Kit
• Pen Kit
• Performance Analysis Kit
• Telephony Kit
• UI Design Kit
• Vision Kit
• New and Enhanced Features
• Version Overview
• New and Enhanced Features
• Ability Kit
• Accessibility Kit
• Account Kit
• AR Engine
• ArkData
• ArkGraphics 2D
• ArkGraphics 3D
• ArkTS
• ArkUI
• ArkWeb
• Asset Store Kit
• Audio Kit
• AVSession Kit
• Background Tasks Kit
• Basic Services Kit
• Calendar Kit
• Camera Kit
• Car Kit
• Connectivity Kit
• Core File Kit
• Core Speech Kit
• Crypto Architecture Kit
• Device Certificate Kit
• Device Security Kit
• Distributed Service Kit
• Driver Development Kit
• Form Kit
• Game Service Kit
• Graphics Accelerate Kit
• Health Service Kit
• IAP Kit
• Image Kit
• IME Kit
• Input Kit
• IPC Kit
• Localization Kit
• Location Kit
• Map Kit
• MDM Kit
• Media Kit
• Media Library Kit
• Multimodal Awareness Kit
• Near Link Kit
• Network Kit
• Notification Kit
• Online Authentication Kit
• PDF Kit
• Pen kit
• Performance Analysis Kit
• Push Kit
• Remote Communication Kit
• Scan Kit
• Scenario Fusion Kit
• Sensor Service Kit
• Share Kit
• Status Bar Extension Kit
• Telephony Kit
• Test Kit
• UI Design Kit
• User Authentication Kit
• Vision Kit
• Wear Engine
• New and Enhanced Features
• Changelogs
• Introduction
• Key Information Affecting Application Compatibility
• ArkTS API Compatibility Check
• C API Compatibility Check
• Compatibility Warning Suppression
• Advanced Usage of C API Compatibility Check
• Maintaining Compatibility for Earlier Versions in targetSDKVersion Upgrade Scenarios
• Integrating Third-Party Libraries (HAR Packages)
• Maintaining Compatibility for Integrated HSPs
• Maintaining Compatibility for UI Custom Components
• Application Upgrade and Adaptation Guide — Upgrading to 26.0.0
• API Version Distribution on Existing Devices
• Support and Help
• Regional Availability of Kits
• Overview
• Downloading and Installing DevEco Studio
• Using the New UI
• Project Overview
• Project Directory Structure
• Introduction to Project Templates
• Creating a Project
• Adding and Deleting a Module
• Importing and Referencing a Module
• Unloading and Loading a Module
• Developing a Static Shared Package
• Developing a Dynamic Shared Package
• Publishing a Shared Package
• Referencing and Managing a Shared Package
• Release Notes
• Overview
• Getting Started
• Setting the Configuration File
• Logs
• ohpm-repo help
• ohpm-repo install
• ohpm-repo start
• ohpm-repo restart
• ohpm-repo stop
• ohpm-repo --version
• ohpm-repo encrypt_password
• ohpm-repo pack
• ohpm-repo deploy
• ohpm-repo restore
• ohpm-repo mirror_storage
• ohpm-repo check_storage
• ohpm-repo remove_instance
• ohpm-repo export_pkginfo
• ohpm-repo batch_download
• ohpm-repo batch_publish
• ohpm-repo export_userinfo
• ohpm-repo import_userinfo
• ohpm-repo export_pkgPermission
• ohpm-repo import_pkgPermission
• Single-Node Deployment
• Multi-Instance Deployment
• Frontend page
• Personal Center Home Page
• User Management
• Repository Management
• Package Permission Management
• Authentication Management
• Organization Management
• Operation Log
• System Settings
• Security Configuration
• FAQs
• Data Migration
• Upgrading from 1.0.1 to 2.X.X/5.X.X
• Upgrading from 1.1.0 to 2.X.X/5.X.X
• Upgrading 2.X.X/5.X.X to a Later Version
• Storage Plugin Configuration
• Template File
• Authentication Plugin Configuration
• Template File
• Custom Login Verification Plugin Configuration
• Template Files
• Data Backup
• Export of Metadata from the Central Repository of the OpenHarmony Third-Party Library to ohpm-repo
• ohpm Repository Interface Protocol
• Configuration
• Template Files
• Deploying the ohpm-repo Service Using a Dockerfile
• Adding an Ability
• Adding a Page
• Generating a Single-Layer Icon
• Creating a Service Widget
• Creating an Insight Intent
• Setting Up the Development Environment Offline
• Editor Basics
• Code Generation/Completion
• Real-time Code Check and Quick Fix
• Code Linter
• Rule Changes
• Recommended Rules
• @typescript-eslint/adjacent-overload-signatures
• @typescript-eslint/array-type
• @typescript-eslint/await-thenable
• @typescript-eslint/ban-ts-comment
• @typescript-eslint/ban-tslint-comment
• @typescript-eslint/ban-types
• @typescript-eslint/brace-style
• @typescript-eslint/class-literal-property-style
• @typescript-eslint/comma-dangle
• @typescript-eslint/comma-spacing
• @typescript-eslint/consistent-indexed-object-style
• @typescript-eslint/consistent-type-assertions
• @typescript-eslint/consistent-type-definitions
• @typescript-eslint/consistent-type-imports
• @typescript-eslint/default-param-last
• @typescript-eslint/dot-notation
• @typescript-eslint/explicit-function-return-type
• @typescript-eslint/explicit-member-accessibility
• @typescript-eslint/explicit-module-boundary-types
• @typescript-eslint/func-call-spacing
• @typescript-eslint/init-declarations
• @typescript-eslint/keyword-spacing
• @typescript-eslint/lines-between-class-members
• @typescript-eslint/member-delimiter-style
• @typescript-eslint/member-ordering
• @typescript-eslint/method-signature-style
• @typescript-eslint/naming-convention
• @typescript-eslint/no-array-constructor
• @typescript-eslint/no-base-to-string
• @typescript-eslint/no-confusing-non-null-assertion
• @typescript-eslint/no-confusing-void-expression
• @typescript-eslint/no-dupe-class-members
• @typescript-eslint/no-duplicate-imports
• @typescript-eslint/no-dynamic-delete
• @typescript-eslint/no-empty-function
• @typescript-eslint/no-empty-interface
• @typescript-eslint/no-explicit-any
• @typescript-eslint/no-extraneous-class
• @typescript-eslint/no-extra-non-null-assertion
• @typescript-eslint/no-extra-parens
• @typescript-eslint/no-extra-semi
• @typescript-eslint/no-floating-promises
• @typescript-eslint/no-for-in-array
• @typescript-eslint/no-implicit-any-catch
• @typescript-eslint/no-implied-eval
• @typescript-eslint/no-inferrable-types
• @typescript-eslint/no-invalid-this
• @typescript-eslint/no-invalid-void-type
• @typescript-eslint/no-loop-func
• @typescript-eslint/no-loss-of-precision
• @typescript-eslint/no-magic-numbers
• @typescript-eslint/no-misused-new
• @typescript-eslint/no-misused-promises
• @typescript-eslint/no-namespace
• @typescript-eslint/no-non-null-asserted-optional-chain
• @typescript-eslint/no-non-null-assertion
• @typescript-eslint/no-parameter-properties
• @typescript-eslint/no-redeclare
• @typescript-eslint/no-require-imports
• @typescript-eslint/no-restricted-syntax
• @typescript-eslint/no-shadow
• @typescript-eslint/no-this-alias
• @typescript-eslint/no-throw-literal
• @typescript-eslint/no-type-alias
• @typescript-eslint/no-unnecessary-boolean-literal-compare
• @typescript-eslint/no-unnecessary-condition
• @typescript-eslint/no-unnecessary-qualifier
• @typescript-eslint/no-unnecessary-type-arguments
• @typescript-eslint/no-unnecessary-type-assertion
• @typescript-eslint/no-unnecessary-type-constraint
• @typescript-eslint/no-unsafe-argument
• @typescript-eslint/no-unsafe-assignment
• @typescript-eslint/no-unsafe-call
• @typescript-eslint/no-unsafe-member-access
• @typescript-eslint/no-unsafe-return
• @typescript-eslint/no-unused-expressions
• @typescript-eslint/no-unused-vars
• @typescript-eslint/no-use-before-define
• @typescript-eslint/no-useless-constructor
• @typescript-eslint/prefer-as-const
• @typescript-eslint/prefer-enum-initializers
• @typescript-eslint/prefer-for-of
• @typescript-eslint/prefer-function-type
• @typescript-eslint/prefer-includes
• @typescript-eslint/prefer-literal-enum-member
• @typescript-eslint/prefer-namespace-keyword
• @typescript-eslint/prefer-nullish-coalescing
• @typescript-eslint/prefer-optional-chain
• @typescript-eslint/prefer-readonly
• @typescript-eslint/prefer-readonly-parameter-types
• @typescript-eslint/prefer-reduce-type-parameter
• @typescript-eslint/prefer-regexp-exec
• @typescript-eslint/prefer-string-starts-ends-with
• @typescript-eslint/prefer-ts-expect-error
• @typescript-eslint/promise-function-async
• @typescript-eslint/quotes
• @typescript-eslint/require-array-sort-compare
• @typescript-eslint/require-await
• @typescript-eslint/restrict-plus-operands
• @typescript-eslint/restrict-template-expressions
• @typescript-eslint/return-await
• @typescript-eslint/semi
• @typescript-eslint/space-before-function-paren
• @typescript-eslint/space-infix-ops
• @typescript-eslint/strict-boolean-expressions
• @typescript-eslint/switch-exhaustiveness-check
• @typescript-eslint/triple-slash-reference
• @typescript-eslint/type-annotation-spacing
• @typescript-eslint/typedef
• @typescript-eslint/unbound-method
• @typescript-eslint/unified-signatures
• prefer-const
• eqeqeq
• @security/no-commented-code
• @security/no-cycle
• @security/no-unsafe-aes
• @security/no-unsafe-dh
• @security/no-unsafe-dsa
• @security/no-unsafe-dh-key
• @security/no-unsafe-dsa-key
• @security/no-unsafe-ecdsa
• @security/no-unsafe-hash
• @security/no-unsafe-mac
• @security/no-unsafe-rsa-encrypt
• @security/no-unsafe-rsa-key
• @security/no-unsafe-rsa-sign
• @security/no-unsafe-3des
• @security/specified-interface-call-chain-check
• @security/no-unsafe-kdf
• @security/no-unsafe-sm4
• @security/no-unsafe-sm2-key
• @security/no-unsafe-sm2-cipher
• @security/no-unsafe-ecdh
• @security/no-unsafe-huks
• @performance/avoid-overusing-custom-component-check
• @performance/bad-deep-clone-check
• @performance/constant-property-referencing-check-in-loops
• @performance/crypto-replacement-check
• @performance/custom-node-memory-leak-check
• @performance/dark-color-mode-check
• @performance/datashare-query-unrelease-check
• @performance/foreach-args-check
• @performance/foreach-index-check
• @performance/gif-hardware-decoding-check
• @performance/hp-arkui-avoid-update-auto-state-var-in-aboutToReuse
• @performance/hp-arkui-avoid-empty-callback
• @performance/hp-arkui-combine-same-arg-animateto
• @performance/hp-arkui-image-async-load
• @performance/hp-arkui-load-on-demand
• @performance/hp-arkui-limit-refresh-scope (Deprecated)
• @performance/hp-arkui-no-func-as-arg-for-reusable-component
• @performance/hp-arkui-no-high-freq-log (Deprecated)
• @performance/hp-arkui-no-stringify-in-lazyforeach-key-generator
• @performance/hp-arkui-no-state-var-access-in-loop
• @performance/hp-arkts-no-use-any-export-current
• @performance/hp-arkts-no-use-any-export-other
• @performance/hp-arkui-remove-container-without-property
• @performance/hp-arkui-replace-nested-reusable-component-by-builder
• @performance/hp-arkui-reduce-pangesture-distance
• @performance/hp-arkui-remove-redundant-nest-container
• @performance/hp-arkui-remove-redundant-state-var
• @performance/hp-arkui-remove-unchanged-state-var
• @performance/hp-arkui-set-cache-count-for-lazyforeach-grid
• @performance/hp-arkui-suggest-cache-avplayer
• @performance/hp-arkui-suggest-reuseid-for-if-else-reusable-component
• @performance/hp-arkui-suggest-use-effectkit-blur
• @performance/hp-arkui-suggest-use-get-anonymousid-async
• @performance/hp-arkui-use-attributeUpdater-control-refresh-scope
• @performance/hp-arkui-use-grid-layout-options
• @performance/hp-arkui-use-id-in-get-resource-sync-api
• @performance/hp-arkui-use-local-var-to-replace-state-var
• @performance/hp-arkui-use-onAnimationStart-for-swiper-preload
• @performance/hp-arkui-use-object-link-to-replace-prop
• @performance/hp-arkui-use-row-column-to-replace-flex
• @performance/hp-arkui-use-reusable-component
• @performance/hp-arkui-use-scale-to-replace-attr-animateto
• @performance/hp-arkui-use-taskpool-for-web-request
• @performance/hp-arkui-use-transition-to-replace-animateto
• @performance/hp-arkui-use-word-break-to-replace-zero-width-space
• @performance/hp-arkui-wrap-waterflow-if-else-footer (Deprecated)
• @performance/high-frequency-log-check
• @performance/hp-ffrt-no-use-std
• @performance/hp-performance-no-closures
• @performance/hp-performance-no-dynamic-cls-func
• @performance/init-list-component
• @performance/js-code-cache-by-interception-check
• @performance/js-code-cache-by-precompile-check
• @performance/lazyforeach-args-check (Deprecated)
• @performance/lottie-animation-destroy-check
• @performance/multiple-associations-state-var-check
• @performance/monitor-invisible-area-in-image-animation
• @performance/no-use-any-import
• @performance/no-high-loaded-frame-rate-range
• @performance/number-init-check
• @performance/nested-post-frame-callback-check
• @performance/object-creation-check (Deprecated)
• @performance/reasonable-audio-use-check
• @performance/reasonable-gps-use-check
• @performance/reuse-date-instances-check
• @performance/reasonable-sensor-use-check
• @performance/sparse-array-check
• @performance/start-window-icon-check
• @performance/state-variable-usage-in-ui-format-check
• @performance/typed-array-check
• @performance/timezone-interface-check
• @performance/tabs-on-change-check
• @performance/update-state-var-between-animatetos-check
• @performance/web-cache-mode-check
• @performance/web-on-active-check
• @performance/waterflow-data-preload-check
• @previewer/mandatory-default-value-for-local-initialization
• @previewer/no-page-method-on-preview-component
• @previewer/no-unallowed-decorator-on-root-component
• @cross-device-app-dev/color-contrast
• @cross-device-app-dev/color-value
• @cross-device-app-dev/font-size-unit
• @cross-device-app-dev/font-size
• @cross-device-app-dev/grid-columns-span
• @cross-device-app-dev/grid-span-value
• @cross-device-app-dev/one-multi-breakpoint-check
• @cross-device-app-dev/sidebar-navigation
• @cross-device-app-dev/size-unit
• @cross-device-app-dev/touch-target-size
• @cross-device-app-dev/window-size-change-listener-check
• @cross-device-app-dev/immersive-effect-check
• @hw-stylistic/array-bracket-spacing
• @hw-stylistic/brace-style
• @hw-stylistic/comma-spacing
• @hw-stylistic/curly
• @hw-stylistic/file-naming-convention
• @hw-stylistic/indent
• @hw-stylistic/keyword-spacing
• @hw-stylistic/max-len
• @hw-stylistic/no-multi-spaces
• @hw-stylistic/no-tabs
• @hw-stylistic/object-property-newline
• @hw-stylistic/one-var-declaration-per-line
• @hw-stylistic/operator-linebreak
• @hw-stylistic/quotes
• @hw-stylistic/semi-spacing
• @hw-stylistic/space-before-blocks
• @hw-stylistic/space-before-function-paren
• @hw-stylistic/space-infix-ops
• @correctness/avsession-buttons-check
• @correctness/audio-interrupt-check
• @correctness/audio-pause-or-mute-check
• @correctness/avsession-metadata-check
• @correctness/image-pixel-format-check
• @correctness/image-interpolation-check
• @correctness/listen-default-network-change
• @correctness/listen-multi-network-concurrent
• @correctness/multimedia-use-stride-in-image-receiver
• @correctness/redundant-dependency-check
• @correctness/v1-nested-object-property-change-format-check
• @correctness/v1-state-object-member-used-in-function-parameter-check
• @correctness/accessibility-label-check
• @correctness/accessibility-focus-redundancy-check
• @correctness/accessibility-type-redundancy-check
• @correctness/accessibility-status-missing-check
• @compatibility/api-compatibility-check
• @compatibility/deprecate-api-check
• Code Scanner
• Clang-Tidy Code Inspection
• Code Refactoring
• Document Generation
• @author
• @copyright
• @deprecated
• @param
• @returns
• @since
• @throws
• @todo
• @version
• {@link}
• Quickly Inserting Scenario-based Code Snippets
• Cross-language Code Editing
• Code Indexing (clangd)
• Introduction
• PreviewChecker Inspection Rules
• Previewing an ArkTS/JS App/Atomic Service
• Previewing an ArkUI Page or Component
• Using Profile Manager
• Previewing Your App/Atomic Service on Multiple Devices
• Using Inspector Bidirectional Preview
• Mocking Preview Data
• Debugging Your App Using the Previewer
• List of Previewer-Capable APIs
• Signing Your App/Service Automatically
• Signing Your App/Atomic Service Manually
• Running Your App on a Local Real Device
• Running a Lite Wearable App via the Simulator
• Working Environment
• Supported Devices
• Differences Between the Emulator and the Real Device
• Creating an Emulator
• Starting/Stopping the Emulator
• Controlling the Screen
• Using the Toolbar
• Moving and Scaling the Emulator
• Accessing the Network Using the Emulator
• Installing an App Package and Uploading Files
• Using Extended Features
• Customizing the Virtual Device Screen
• Using the Emulator via the CLI
• Deploying an Emulator Offline
• Emulator Error Codes
• Debugging Overview
• Running/Debugging Configuration
• Debugging Scenario Description
• Starting Debugging in Debug Mode
• Starting Debugging in Attach Mode
• Using Wait-for-Debugger Mode
• Using Breakpoints
• Checking Variables
• Performing Reverse Debugging
• Debugging Extension Abilities
• Performing Multi-Process Debugging
• Printing Expressions
• Using Smart Step Into
• Viewing Asynchronous Function Call Stacks
• Starting the Debugging Process
• Using Breakpoints
• Checking Variables
• Debugging Assembly Code
• Viewing Memory Information
• Using LLDB Debugging Commands
• Performing Reverse Debugging
• Visualizing Call Stacks
• Visualizing .so Information
• Setting Execution Points
• Using Smart Step Into
• Speeding Up Native Debugging Startup
• Debugging Native Child Processes
• Using the Debugger
• Performing Cross-Language Debugging
• Debugging Third-Party Library Source Code
• Performing Incremental Debugging
• Using Hot Reload
• Viewing ArkUI State Variables
• Using Developer Options
• Analyzing UI Layouts
• Accessing Device Files
• Location Simulation
• Debugging Databases
• Capturing Screenshots
• Recording Screens
• Mirroring Device Screens
• Runtime Configuration Error Codes
• Hot Reload and Incremental Debugging Error Codes
• Debugging Error Codes
• hdc Command Error Codes
• Log Analysis
• FaultLog
• Viewing Cpp Crash Logs
• Viewing AppFreeze Logs
• Viewing App Killed Logs
• Parsing App minidump/coredump Files
• Analyzing Stack Traces
• Analyzing Exception Stack Traces
• ASan: Detecting Memory Errors
• HWASan: Detecting Memory Errors
• TSan: Detecting Thread Errors
• UBSan: Detecting Undefined Behaviors
• ArkCompiler: Detecting Runtime Issues
• Instrument Test
• Local Test
• Mock
• Black-box coverage
• Instrument Test Error Codes
• Local Test Error Codes
• CLI Test Error Codes
• Setting Up the Proxy
• Terminal Environment Variables
• DevEco Studio Parameters
• Disabling Data Collecting
• Log Collection and Diagnosis Data
• ohpm Version Number Rules
• pac.json5 Privacy Manifest File
• Release Notes
• Build System Lifecycle
• Build Tasks
• Build Products
• Overview
• hvigor-config.json5 File
• Project-level build-profile.json5 File
• Module-level build-profile.json5 File
• Managing Modules
• Adding Dependencies
• Introduction
• Examples
• Building a HAR
• Configuring for C++ Builds
• Quick Link to a Pre-built Library
• Implementing Multi-project Builds
• Understanding the Logic for Checking HAP Uniqueness
• Customizing the .hvigor Directory Path
• Introduction
• Examples
• Introduction
• Examples
• Introduction
• Examples
• Using the Daemon Process
• Enabling Parallel Build
• Conducting an Incremental Build
• Conducting Modular Compilation
• Analyzing the Build Process
• Performance/Memory Optimization Practices: Multi-Target Build
• Performance/Memory Optimization Practices: Multi-HAP/Multi-HSP Build
• Performance Optimization Practices: Custom Plugins and Tasks
• Performance Optimization Practices: Mixed-Language Project Synchronization
• Performance Optimization Practices: Cache Plugins
• Memory Optimization Practices: Remote Build
• Experimental Features
• Developing an Hvigor Task
• Developing an Hvigor Plugin
• Basic Build Capabilities
• Plugin Context
• API Usage Examples
• Task Visualization and Execution
• Using Obfuscation for Code Hardening
• Logging
• Compilation and Building FAQs
• Dependency Error Codes
• Script Error Codes
• Configuration Error Codes
• Resource Missing Error Codes
• Syntax Error Codes
• Specification Error Codes
• Permission Error Codes
• Operation Error Codes
• ArkTS Compilation Error Codes
• Signature Tool Error Codes
• Introduction to Performance Optimization Tools
• UI Layout
• Session Area
• Data Area
• Performance Profiling Procedure
• Realtime Monitor for Problem Demarcating
• In-depth Capture for Problem Locating
• Frame Analysis
• ArkUI Analysis
• Analyzing App Stuttering Issues Using the Frame Template
• Basic Operations with Launch Analysis
• Case: Analyzing the First Frame Completion Delay During Cold Start
• Basic Operations with Memory Snapshot Analysis
• Analyzing the ArkTS Memory Leak
• Overview
• Filtering Memory Analysis Data
• Analyzing Memory at Launch
• Analyzing the Native Memory Leak
• UI Component Memory Analysis: ComMemory
• Energy Consumption Diagnosis: Energy
• Loading and Frame Loss Analysis: ArkWeb
• Network Diagnosis: Network
• Parallelism and Concurrency Analysis: Concurrency
• GPU Activity Analysis
• Basic Time Analysis: Time
• CPU Activity Analysis
• I/O Latency Analysis: FileSystem
• Graphics Profiler
• DevEco Profiler Terms
• FAQs
• Error Codes
• Shortcut Keys
• Release
• O&M Analysis
• Obtaining Command Line Tools
• Using codelinter
• ArkTSDoc Generator (arktsdoc)
• Using the Emulator
• Using hvigorw
• Using hstack
• System Platform Requirements
• ohpmrc
• oh-package.json5
• ohpm config
• ohpm help
• ohpm info
• ohpm init
• ohpm install
• ohpm list
• ohpm publish
• ohpm uninstall
• ohpm prepublish
• ohpm unpublish
• ohpm update
• ohpm root
• ohpm version
• ohpm cache clean
• ohpm run
• ohpm --version
• ohpm ping
• ohpm clean
• ohpm dist-tags
• ohpm convert
• ohpm dependency-check
• ohpm config Error Codes
• ohpm info Error Codes
• ohpm install Error Codes
• ohpm list Error Codes
• ohpm publish Error Codes
• ohpm uninstall Error Codes
• ohpm unpublish Error Codes
• ohpm update Error Codes
• ohpm root Error Codes
• ohpm version Error Codes
• ohpm cache clean Error Codes
• ohpm run Error Codes
• ohpm ping Error Codes
• ohpm clean Error Codes
• ohpm dist-tags Error Codes
• ohpm convert Error Codes
• ohpm dependency-check Error Codes
• Common ohpm Command Error Codes
• Setting Up a Pipeline
• Design Philosophy
• Color
• Typography
• Application Icon
• HarmonyOS Symbol
• Layout Basics
• Responsive Application Architecture
• Responsive Layout Methods
• Overview
• Design Principles
• Animation Attributes
• Transition Animations
• Gesture Animations
• UI Language
• Globalization
• Privacy
• Overview
• Bottom Tab Bar
• Subtab
• Title Bar
• Page Indicator
• Text
• Divider
• Subheader
• Progress Indicator
• Index Bar
• Scrollbar
• Badge
• Toast
• Snack Bar
• Tooltip
• Data Panel
• QR Code
• Text Clock
• Image
• Blank
• Button
• Drop-Down Button
• Status Button
• Chip
• Toolbar
• Action Bar
• Menu
• Context Menu on Selection
• Text Box
• Search Box
• Counter
• Pattern Lock
• Check Box
• Switch
• Radio Button
• Rating Bar
• Slider
• Picker
• Segmented Button
• List
• Dialog Box
• Sheet
• Overview
• Gestures
• Cursor Interaction
• Focus Navigation
• Mouse
• Keyboard
• Touchpad
• Drag and Drop
• Box Selection
• Unified Interaction Events
• Navigation Bar
• Notifications
• Live View
• Multi-Window Interaction
• Service Widget
• PiP
• Dark Mode
• Status Bar
• Audio Control Panel
• Sharing
• HUAWEI ID Web Login Function
• HUAWEI Pay
• Preview
• Splash Screen
• Tap to Transfer
• Proximity Discovery
• Overview
• Basic Information
• Service Widgets
• Atomic Service Experience Scenarios
• Universal and User-friendly
• Lightweight and Efficient
• Simple and Advanced
• Security and Reliability
• Account
• Phone
• Design Principles
• Bi-Fold Phone
• Tri-Fold Phone
• Widescreen Foldable Phone
• Tablet
• Design Overview
• Window Framework
• Application Design
• Application Status Bar Access
• Foldable Computer
• Intelligent Cockpit
• Overview
• Application Architecture and Application Navigation
• Human-Machine Interaction
• Spacing Parameters
• Vision
• Overview
• Application UX Standards for General Devices
• Application UX Standards for Large-Screen Devices
• Application UX Standards for Foldables
• Application UX Standards for PCs
• Application UX Standards for Visions
• Atomic Service UX Standards
• Application UX Standards for Wearables
• Overview
• Video and Music Applications
• Social Communication Applications
• Photo & Video Applications
• News and Reading Applications
• E-Commerce Shopping Applications
• Financial Applications
• Lifestyle Applications
• Travel and Accommodation Applications
• Travel Navigation Applications
• Mobile Payment Applications
• Gaming Applications
• Car Applications
• Office Applications
• Change History
• About This Kit
• Application Model Overview
• Application- or Component-Level Configuration
• UIAbility Overview
• UIAbility Lifecycle
• UIAbility Launch Type
• UIAbility Usage
• Data Synchronization Between UIAbility and UI Page
• Starting UIAbility Within the Same Application
• Cross-Device Migration Through Call Invocation
• UIAbility Backup and Restore
• EmbeddedUIExtensionAbility
• Using AppServiceExtensionAbility for Background Services
• AbilityStage Component Manager
• Context
• Want Overview
• Matching Rules of Explicit Want and Implicit Want
• Using Explicit Want to Start an Application Component
• Common action and entities Values (Not Recommended)
• Component Startup Rules (Stage Model)
• Obtaining/Setting Environment Variables
• Process Model Overview
• ArkTS Child Process Development
• Creating/Terminating Native Child Processes (C/C++)
• Independent Process Development Guide
• Thread Model
• Application Configuration File (Stage Model)
• Application Lifecycle Overview
• Application Startup Process
• App Startup Settings
• AppStartup
• Application Preloading
• Application Quick Start
• App Exit
• Exiting an Application (PC/2-in-1 Device)
• App Restart
• Obtaining the Cause of Abnormal Application Exit
• Overview of Application Redirection
• Overview of Starting a Specified Application
• (Optional) Using canOpenLink to Check Application Accessibility
• Obtaining the URL of the Target Application
• Using Deep Linking for Application Redirection
• Using App Linking for Application Redirection
• Switching from Explicit Want Redirection to Linking Redirection
• Application Link Description
• Overview of Starting an Application of the Specified Type
• Using startAbilityByType to Start a Navigation Application
• Using startAbilityByType to Start an Email Application
• Using mailto to Start an Email Application
• Using startAbilityByType to Start a Financial Application
• Using startAbilityByType to Start a Flight Application
• Using startAbilityByType to Start an Express Delivery Application
• Using startAbilityByType to Start an Image Editing Application
• Using startAbility to Start a File Application
• Starting a System Application
• Overview of Inter-App Redirection
• Redirection for Social Sharing
• Ad Redirection
• Redirection After Special Text Recognition
• Redirection and Launching Between Web Pages and Apps
• Ark Agentic Framework Overview
• InsightIntent Framework Overview
• Intent Development Overview
• Developing Intents Using Configuration Files
• Developing Intents Using Decorators
• Appendix: Standard Intent Access Specifications
• Debugging Intents
• Application Skill Development Guide Based on ArkTS Scripts
• On-Device A2A Framework Overview
• Using the AgentExtensionAbility Component to Implement Agent Services
• AgentExtensionAbility Configuration File
• Modular Object Model Overview (C/C++)
• Using ModularObjectExtensionAbility to Implement Modular Objects (C/C++)
• Implementing IPC Communication for ModularObjectExtensionAbility with Taihe (C/C++)
• Using ModularObjectDispatcher for Dynamic Interface Invocation (C/C++)
• Ability Kit Terminology
• About This Kit
• Button-annotated Scenarios
• Screen Reading Scenarios with Content Specified
• Screen Reading Scenarios of Illustrations/Videos/Animations
• Scenarios Where a New Focus Position Is Set
• Multi-dimensional Nesting Scenarios
• Multi-Component Scenarios
• Multilingual Scenarios
• Scenarios Where the Screen Reading Focus Is Disabled
• Scenarios Involving Component Status Changes
• Scenarios Involving Component Relocation
• Automatic Centering of Cards
• Whole-Component Focus on List Items
• Scenarios Involving Dynamically Changed Content
• Focus Navigation for Pop-Ups
• Operating Error Scenarios
• Customizing the Control Status Announcement
• Customizing Scroll Steps for Accessibility Operations
• Customizing the Focus Navigation Order
• Proactive Page Change Notification
• Testing Screen Reader
• Declaring the Integration with the System-Wide Senior Mode
• Synchronizing the In-App Senior Mode with System Settings
• Obtaining the Senior Mode Status
• About This Kit
• Unified Data Definition Overview
• UTDs (ArkTS)
• UTDs (C/C++)
• Uniform Data Structs (ArkTS)
• Uniform Data Structs (C/C++)
• Content Cards Based on Uniform Data Structs (ArkTS)
• Prebuilt UTDs
• Application Data Persistence Overview
• Persisting User Preferences (ArkTS)
• Persisting User Preferences (C/C++)
• Persisting KV Store Data (ArkTS)
• Persisting RDB Store Data (ArkTS)
• Persisting RDB Store Data (C/C++)
• Persisting Vector Store Data (ArkTS)
• Persisting Vector Store Data (C/C++)
• Overview of Cross-Device Application Data Sync
• Cross-Device Sync of KV Stores (ArkTS)
• Cross-Device Sync of RDB Stores (ArkTS)
• Cross-Device Sync of Distributed Data Objects (ArkTS)
• Overview of Device-Cloud Data Sync for the Same App
• Deploying the Cloud Environment for Device-Cloud Data Sync
• Developing RDB Store for Device-Cloud Data Synchronization (ArkTS)
• Data Reliability and Security Overview
• Database Backup and Restore (ArkTS)
• Database Backup and Restore (C/C++)
• Database Encryption (ArkTS)
• Database Encryption (C/C++)
• Access Control by Device and Data Level (ArkTS)
• Access Control by Device and Data Level (C/C++)
• Using an EL5 Database (ArkTS)
• Overview of Cross-Application Data Sharing
• Sharing Configurations Between Applications (ArkTS)
• Sharing Data via Unified Data Channels (ArkTS)
• Sharing Data via Unified Data Channels (C/C++)
• Application Data Vectorization (ArkTS)
• Preferences Database Debugging Tool Guide
• vector-store Database Debugging Tool Guide
• SQLite Debugging Tool
• ArkData Glossary
• ArkData FAQs
• About This Kit
• Overview of the ArkTS Common Library
• XML Overview
• XML Generation
• XML Parsing
• XML Conversion
• Buffer and FastBuffer
• JSON Extension Library
• Overview of the ArkTS Container Library
• Linear Containers
• Nonlinear Containers
• Basic Library FAQ
• Overview of Concurrency
• Asynchronous Concurrency (Promise and Async/Await)
• Overview of Multithreaded Concurrency
• TaskPool
• TaskPool Usage Guidelines
• Worker
• Comparison Between TaskPool and Worker
• Overview of ArkTS Inter-Thread Communication
• Overview of Inter-Thread Communication Objects
• Regular Object
• Container Object
• ArrayBuffer Object
• SharedArrayBuffer Object
• Transferable Object (NativeBinding Object)
• Overview of Sendable Objects
• Usage Rules and Constraints for Sendable
• Asynchronous Lock
• Asynchronous Waiting
• ASON Parsing and Generation
• Shared Container
• Shared Module
• Freezing Sendable Objects
• Use Scenarios of Sendable
• Using TaskPool for Independent Time-consuming Tasks
• Using TaskPool for Multiple Time-consuming Tasks
• Communication Between the TaskPool Task and Host Thread
• Real-Time Communication Between the Worker Thread and Host Thread
• Synchronous Calls to Host Thread Interfaces from Worker
• High-Performance Communication Between Multi-Level Workers
• Queue-Jumping Message Communication from Worker to Host Thread
• Overview of Multithreaded Development
• Overview of Concurrency in Time-Consuming Tasks
• CPU Intensive Task Development (TaskPool and Worker)
• I/O Intensive Task Development (TaskPool)
• Synchronous Task Development (TaskPool and Worker)
• Overview of Concurrency in Continuous Tasks
• Continuous Task Development (TaskPool)
• Overview of Concurrency in Resident Tasks
• Resident Task Development (Worker)
• Batch Database Operations
• Concurrent Loading of Service Modules
• Global Configuration
• ArkUI Data Updates
• C++ Inter-Thread Data Sharing
• Specifying Task Concurrency with TaskPool
• ArkUI Waterfall Rendering
• Obtaining the Recently Accessed List
• Canceling Tasks in Multithreading with TaskPool
• Multithreaded Operations with Custom Native Transferable Objects
• Multithreaded Operations with Custom Native Sendable Objects
• Persistent Worker Threads Handling Concurrent Tasks via TaskPool
• Sendable Object Refactoring Practice
• Common Concurrency Issues
• ArkTS Cross-Language Interaction
• Overview of ArkTS Runtime
• GC
• Overview of Modular Operation
• Dynamic Import
• Lazy Import
• Dynamically Loading Native Modules in Synchronous Mode
• Statically Loading Native Modules
• Loading Modules Using Node-API
• Side Effects and Optimization of Module Loading
• Modularization Debugging Tools
• Modularization FAQ
• ArkTS Runtime FAQs
• Overview of the ArkTS Compilation Toolchain
• Overview of Ark Bytecode
• Ark Bytecode File Format
• Ark Bytecode Fundamentals
• Naming Conventions for Ark Bytecode Functions
• Customizing Ark Bytecode During Compilation
• Ark Bytecode Generation FAQs
• Disassembler
• Overview of ArkGuard for Source Code Obfuscation
• ArkGuard Principles and Capabilities for Source Code Obfuscation
• ArkGuard Obfuscation Configuration Options
• ArkGuard Obfuscation Keep Options
• Using ArkGuard for Source Code Obfuscation
• ArkGuard Obfuscation Practice Guide
• Package-specific Source Code Obfuscation Recommendations
• Common Issues with ArkGuard in Source Code Obfuscation
• Overview of ArkGuard for Bytecode Obfuscation
• ArkGuard Principles and Capabilities for Bytecode Obfuscation
• Using ArkGuard for Bytecode Obfuscation
• Package-specific Bytecode Obfuscation Recommendations
• Common Issues with ArkGuard in Bytecode Obfuscation
• Configuring arkOptions in build-profile.json5
• ArkTS Terminology
• About This Kit
• UI Development (ArkTS-based Declarative Development Paradigm) Overview
• Basic Syntax Overview
• UI Decorator Overview
• Declarative UI Description
• Creating a Custom Component
• Custom Component Lifecycle
• Lifecycle of a Custom Component (Recommended)
• Custom Component Layout
• Constraints on Access Modifiers of Custom Component Member Variables
• @Reusable Decorator: Reusing V1 Components
• @ReusableV2 Decorator: Reusing V2 Components
• Global Reuse: Centralized Component Recycling and Reuse
• Development Practices of Custom Component Reuse
• Diagnosis and Analysis of Component Reuse Issues
• Freezing a Custom Component (V1)
• Freezing a Custom Component (V2)
• Component Encapsulation
• Component Extension Overview
• @Builder Decorator: Custom Builder Function
• @LocalBuilder Decorator: Maintaining Component Relationships
• @BuilderParam Decorator: Referencing the @Builder Function
• wrapBuilder: Encapsulating Global @Builder
• mutableBuilder: Implementing Dynamic Update of Global @Builder
• @Styles Decorator: Defining Reusable Component Styles
• @Extend Decorator: Defining Extended Component Styles
• stateStyles: Applying Polymorphic Styles
• @AnimatableExtend Decorator: Defining Animatable Properties
• @Require Decorator: Validating Constructor Input Parameters
• State Management Overview
• State Management Principles
• Differences Between State Management V1 and V2 Update Mechanisms
• MVVM (V1)
• MVVM (V2)
• @State Decorator: State Owned by Component
• @Prop Decorator: Implementing One-Way Synchronization from Parent to Child Components
• @Link Decorator: Implementing Two-Way Synchronization Between Parent and Child Components
• @Provide and @Consume Decorators: Two-Way Synchronization with Descendant Components
• @Observed and @ObjectLink Decorators: Observing Property Changes in Nested Class Objects
• @Watch Decorator: Getting Notified of State Variable Changes
• @Track Decorator: Implementing Class Object Property-Level Updates
• Application State Management Overview
• LocalStorage: Storing Page-Level UI State
• AppStorage: Storing Application-wide UI State
• PersistentStorage: Persisting UI State
• Environment: Querying the Device Environment
• @Local Decorator: Representing the Internal State of Components
• @Param Decorator: Inputting External Parameters to Components
• @Once: Implementing Initialization Once
• @Event Decorator: Standardizing Component Output
• @Provider and @Consumer Decorators: Synchronizing Across Component Levels in a Two-Way Manner
• @ObservedV2 and @Trace Decorators: Observing Property Changes in Classes
• @Monitor Decorator: Listening for Value Changes of the State Variables
• @SyncMonitor Decorator: Synchronous Listening for Value Changes of the State Variables
• @Computed Decorator: Declaring Computed Properties
• @Type Decorator: Marking the Types of the Class Property
• AppStorageV2: Storing Application-wide UI State
• PersistenceV2: Persisting UI States
• getTarget API: Obtaining Original Objects
• makeObserved API: Changing Unobservable Data to Observable Data
• canBeObserved API: Determining Whether an Object Can Be Observed
• addMonitor and clearMonitor APIs: Dynamically Adding and Removing Listeners
• applySync/flushUpdates/flushUIUpdates APIs: Synchronous Update
• $$ Syntax: Implementing Two-Way Synchronization for Built-in Components
• !! Syntax: Enabling Two-Way Binding
• V1 to V2 Migration Overview
• Migration for Component State Variables
• Migration for Data Object State Variables
• Migration for In-Application State Variables
• Migration for Component Reuse
• Migration for Repeated Content Rendering
• Migration for Built-in Objects
• Widget State Variable Migration
• Migration for AnimateTo Usage
• Guidelines for Mixed Use of State Management V1 and V2 (Before API Version 19)
• Mixed Use of State Management V1 and V2 (API Version 19 and Later)
• In-Component State Management FAQs
• Data Object State Management FAQs
• In-App State Management and Other FAQs
• Common Methods for Locating the Problem That Component Refresh Is Not Triggered When State Variables Change
• State Management Terms
• Rendering Control Overview
• if/else: Conditional Rendering
• ForEach: Rendering Repeated Content
• LazyForEach: Lazy Data Loading
• Repeat: Reusing Components for Repeated Content Rendering
• ContentSlot: Enabling Hybrid Development
• @Env: Environment Variable
• @CustomEnv: Custom Environment Variable
• Component Navigation and Page Routing Overview
• Navigation Architecture
• Subpage
• Page Routing
• Transition Animation
• Cross-Package Routing
• Split-View Layout
• Page Routing (@ohos.router) (Not Recommended)
• Transition from Router to Navigation
• Layout Overview
• Linear Layout (Row/Column)
• Stack Layout (Stack)
• Flex Layout (Flex)
• Relative Layout (RelativeContainer)
• Responsive Grid Layout (GridRow/GridCol)
• Dynamic Layout (DynamicLayout)
• Container Breakpoint (ContainerReader)
• Using Tabs (Tabs)
• Immersive Effect Development
• Layout Optimization
• List and Grid Overview
• Creating a List (List)
• Creating an Arc List (ArcList) (Recommended for Circular Screens)
• Creating a Grid (Grid/GridItem)
• Grid Item Drag-and-Drop
• Creating a Waterfall Flow (WaterFlow)
• Common Waterfall Operations
• Creating Lazy Layouts (LazyColumnLayout/LazyVGridLayout/LazyVWaterFlowLayout)
• Creating a Lazy Custom Layout (LazyDynamicLayout)
• Common List Flows
• Introduction to Text
• Text Display (Text/Span)
• Text Input (TextInput/TextArea/Search)
• Rich Text Editing (RichEditor)
• Symbol Glyph (SymbolGlyph/SymbolSpan)
• Styled String (StyledString/MutableStyledString)
• Text and Image Layout
• Soft Keyboard Management
• Selection and Development of Rich Text Display
• Text Expansion and Collapse
• Custom Keyboard
• Image Display (Image)
• Video Playback (Video)
• Creating a Swiper (Swiper)
• Creating an Arc Carousel Component (ArcSwiper) (Recommended for Circular Screens)
• colorFilter-based Image Filter Effect
• Image Resizing with the resizable Attribute
• Button and Selection Component Overview
• Button
• Arc Button (ArcButton) (Recommended for Circular Screens)
• Radio Button (Radio)
• Toggle
• Custom Rendering (XComponent)
• Progress Indicator (Progress)
• Popup Window Overview
• Dialog Overview
• Global Custom Dialog Box Independent of UI Components (openCustomDialog)
• Basic Custom Dialog (CustomDialog)
• Fixed-Style Dialog Box
• Page-Level Dialog Box
• Dialog Box Layer Management
• Dialog Controller
• Dialog Box Focus Policy
• Dialog Mask Control
• Menu Overview
• Menu Control (Menu)
• Global Menu Independent of UI Components (openMenu)
• Popup Overview
• Popup
• Global Popup Independent of UI Components (openPopup)
• Modal Page Overview
• Binding a Semi-Modal Sheet (bindSheet)
• Binding a Full-Modal Page (bindContentCover)
• Using Toasts (Toast)
• Managing Overlays (OverlayManager)
• Custom Dialog Selection and Development
• Immersive Light Sense Overview
• Enabling Immersive Light Sensing
• Immersive System Material Visual Effects
• Immersive Lighting Power Consumption Optimization
• FAQs About Immersive Light Sensing
• Typical Scenarios of Immersive Light Sensing
• Geometric Shape Drawing Overview
• Drawing Geometric Shapes (Shape)
• Clipping Shapes (clipShape)
• Interaction Response Overview
• Interaction Mechanism Overview
• Handling Touchscreen Input Events
• Handling Mouse Input Events
• Handling Touchpad Input Events
• Handling Keyboard Input Events
• Handling Gamepad Input Events
• Handling Crown Events
• Supporting Smart Gesture Input Events
• Gesture Binding
• Single Gesture
• Combined Gestures
• Multi-level Gesture Events
• Gesture Conflict Handling
• Implementing Unified Drag and Drop
• Implementing Focus Support
• Animation Overview
• Property Animation Overview
• Implementing Property Animation
• Custom Property Animation
• Transition Animation Overview
• Enter/Exit Transition
• Modal Transition
• Shared Element Transition
• Rotation Transition Animation
• Page Transition Animation (Not Recommended)
• Particle Animation
• Component Animation
• Animation Curve Overview
• Traditional Curve
• Spring Curve
• Animation Smoothing
• Shadow Effect
• Color Effect
• Motion Blur
• Comparison Between Motion Blur and Static Blur
• Efficient Use of Blur
• Frame Freezing and Blurring Troubleshooting
• Frame Animation (ohos.animator)
• Optimizing Animation Performance
• Customization Capability Overview
• Custom Composition
• Custom Node Overview
• Custom Placeholder Nodes
• Custom Component Node (FrameNode)
• Custom Render Node (RenderNode)
• Custom Declarative Node (BuilderNode)
• Setting Custom Node Cross-Language Attributes
• Dynamic Component Creation
• Drawing Custom Graphics on the Canvas (Canvas)
• Custom Drawing Modifier (DrawModifier)
• Custom Extension Capability Overview
• Content Modifier (ContentModifier)
• Attribute Modifier (AttributeModifier)
• Attribute Updater (AttributeUpdater)
• Implementing UI Internationalization
• Accessibility Development
• Supporting Aging-Friendly Design
• Implementing Dark and Light Mode Adaptation
• Configuring In-Application Theme Skinning
• Using the UI Context API for UI Operations (UIContext)
• Using Component Snapshot (ComponentSnapshot)
• Long Screenshot
• Detecting Component Visibility
• Inspecting Page Layouts
• Media Query (@ohos.mediaquery)
• Full-Screen Launch of Atomic Services (FullScreenLaunchComponent)
• In-Application Embedded Component (EmbeddedComponent)
• NDK-Based UI Development Overview
• Embedding ArkTS Components
• Integrating with ArkTS Pages
• Using Layout Components
• Setting Common Layout Attributes
• Using Navigation Components
• Implementing a List Layout
• Implementing a Waterfall Flow Layout
• Using Grids
• Using the Text Component
• Using Styled Strings
• Adding a Text Event Listener for a Text Box
• Image Display (Image)
• Using the Swiper Container
• Building Form Components
• Building a Dialog Box
• Animation Overview
• Animation Development
• Using the Sliding Selector (Picker)
• Adding an Event Listener
• Binding Basic Input Events
• Binding Gesture Events
• Binding Drag Events
• Building Custom Components
• Custom Drawing
• Integrating Accessibility Through Custom Drawing
• Launching EmbeddedUIExtensionAbility with EmbeddedComponent
• Querying and Operating NDK Nodes
• NDK Multi-Instance Scenario Development
• NDK Multi-thread Component Creation
• Building a Rendering Node
• UI Development (JavaScript-compatible Web-like Development Paradigm) Overview
• File Organization
• "js" Tag
• app.js
• HML
• CSS
• JavaScript
• Lifecycle
• Resource Limitations and Access
• Multi-Language Capability
• Component Overview
• Layout Description
• Adding Title and Paragraph Text
• Adding an Image
• Adding a Comment Area
• Adding a Container
• Adding Interactions
• Developing Animations
• Defining Gesture Events
• Defining Page Routes
• list Development
• dialog Development
• form Development
• stepper Development
• tabs Development
• swiper Development
• text Development
• input Development
• button Development
• picker Development
• image Development
• image-animator Development
• rating Development
• slider Development
• chart Development
• switch Development
• toolbar Development
• menu Development
• marquee Development
• qrcode Development
• search Development
• Canvas
• CanvasRenderingContext2D
• Path2D
• OffscreenCanvasRenderingContext2D
• Grid Layout
• Basics
• Graph Drawing
• Path Drawing
• Text Drawing
• Attribute Style Animation
• Animation with the transform Attribute
• Animation with the background-position Attribute
• Animation for SVG Components
• Component Animation
• Animation Effect
• Animation Frame
• Custom Components
• Using WebGL to Draw Graphics
• UI Stability Issue Analysis Overview
• Common UI-Related Application Crash Issues
• Common UI Application Freezing Issues
• Debugging UI Display Exceptions
• UI Context Debugging
• UI Preview
• UI Profiling
• High-Performance UI Development
• Navigation FAQs
• FAQs About Custom Nodes
• FAQs About Buttons and Selection Components
• Popup Component FAQs
• FAQs About Text Components
• FAQs About Dynamic Attribute Setting
• FAQs About Imperative Nodes
• FAQs About UI Parallelization
• Common Gesture Event Conflicts
• Window Overview
• Window Type Development Overview
• Subwindow Development
• Dialog Window Development
• Global Floating Window Development
• Float View Development
• Floating Ball Development
• PiP Development Overview
• Using XComponent to Develop PiP (ArkTS)
• Using typeNode to Develop PiP (ArkTS)
• Using NDK APIs to Develop PiP (C/C++)
• PiP FAQs
• Window Mode Overview
• Introduction to Multi-Window
• Declaring the Support for Multi-Window
• Adapting the Application Layout to Multi-Window
• Implementing the Avoid Area for the Window-top Control Bar
• Freeform Window Overview
• App Adaptation for Freeform Windows
• Window Lifecycle
• Window Rotation
• Window Rotation Practical Cases
• Window Layout
• Window Focus
• Window Z-Order
• Immersive Window
• Screenshot and Privacy Mode (ArkTS)
• Controlling Brightness and Always-On (ArkTS)
• Setting Window Animation Effects (ArkTS)
• Controlling Window Appearance (ArkTS)
• Using WindowManager to Manage Multimodal Input Events (C/C++)
• Application Starting Window Overview
• Configuring the Application Starting Window
• Configuring Starting Window Resources
• Window Metadata Configuration
• Glossary
• Window Development FAQs
• Common Log Issues and Troubleshooting in Window Development
• Display Management Overview
• Using OH_DisplayManager to Obtain Basic Display Information and Listen for Status Changes (C/C++)
• Using Display to Obtain Display Properties and Listen for Status Changes (ArkTS)
• Glossary
• Display Development FAQs
• ArkUI Glossary
• About This Kit
• ArkWeb Process
• Lifecycle of the Web Component
• Developing User-Agent
• Managing Cookies and Data Storage
• Setting Dark Mode
• Opening Pages in a New Window
• Managing Location Permissions
• Using Incognito Mode
• Using Motion and Orientation Sensors
• Rendering Modes of the Web Component
• Fitting In the Page Content Layout
• Optimizing the Page Flash During the Redirection
• Obtaining the Web Page Content Height
• Invoking Frontend Page Functions on the Application
• Invoking Application Functions on the Frontend Page
• Establishing a Data Channel Between the Application and the Frontend Page
• Mutual Invoking Between the Application and the Frontend Page (C/C++)
• Establishing a Data Channel Between the Application and the Frontend Page (C/C++)
• Implementing Nested Scrolling
• Implementing Content Scrolling
• Docking to the Soft Keyboard
• Managing Focus
• Interacting with Applications Using Gestures
• Zooming Web Pages
• Displaying Web Page Dialog Boxes
• Interacting with Web Pages Using the Drag-and-Drop Feature of the Web Component
• Simulated Click Detection for Web Applications
• Resolving Cross-Origin Resource Access
• Intelligent Tracking Prevention
• Using the Ad Blocking Feature
• Using Secure Shield Mode
• Loading Web Pages
• Using the Web Component Interception Capability
• Managing Page Redirection and Browsing History Navigation
• Intercepting Network Requests Initiated by the Web Component
• Customizing Page Request Responses
• Accelerating Web Page Access
• Setting the Backward-Forward Cache
• Migrating Web Components Between Different Windows
• Uploading Files
• Downloading Files
• Starting a Camera and Microphone
• Taking Over the Media Playback on Web Pages
• Enabling Picture-in-Picture
• Enabling Immersive Full-Screen Video Playback
• Printing Frontend Pages
• Saving a Frontend Page as a PDF File
• Previewing PDF Files
• Calculating and Adjusting Safe Area Insets
• Using Web Component Menus to Process Web Content
• Processing Web Page Content by Interacting with the System Clipboard
• Using Smart Text Data Detector
• Implementing Long Screenshot for the Web Component
• Using Same-Layer Rendering
• Rendering Native Components at the Same Layer
• Using Offline Web Components
• Using WebNativeMessagingExtensionAbility to Implement Communication Between Browser Extensions and Applications
• Debugging Frontend Pages by Using DevTools
• Using Crashpad to Collect Web Component Crash Information
• Troubleshooting White Screen Issues on Web Pages
• Using Hypium to Implement ArkWeb Automated Testing
• Locating Web Page Loading Issues
• Glossary
• About This Kit
• Transient Task (ArkTS)
• Transient Task (C/C++)
• Continuous Task (ArkTS)
• Deferred Task (ArkTS)
• Agent-powered Reminder (ArkTS)
• Background Tasks Kit Integration Specifications
• Glossary
• About This Kit
• Client-Server Interaction Process
• Server Application Development
• Client Application Development
• Content Embed Kit FAQs
• Content Embed Kit Terminology
• About This Kit
• Application File Overview
• Application Sandbox
• Accessing Application Files (ArkTS)
• Accessing Application Files (C/C++)
• Obtaining Application and File System Space Statistics
• Sharing an Application File
• Configuring the Application Shared Directory
• Application Data Backup and Restore Overview
• Accessing Backup and Restore
• Verification Guide for App Data Backup and Restore
• Adaptation Guide for Application Clone
• Introduction to Application Data Migration
• Adaptation Process
• Application Data Migration and Adaptation
• Developer Self-Verification
• E2E Verification
• FAQs
• Precautions for Code Development During Application Upgrade
• User File Overview
• User File URI
• FileUri Development (C/C++)
• Obtaining the User Directory Environment (C/C++)
• Selecting User Files
• Saving User Files
• Persisting Temporary Permissions
• Persisting Temporary Permissions (C/C++)
• Obtaining and Accessing a User Directory
• Distributed File System Overview
• Setting the Security Level of a Distributed File
• Sharing and Accessing Files Across Devices
• Copying Files Across Devices
• Device-Cloud File Sync Overview
• Device-Cloud File Sync Integration
• Compression and Decompression Overview
• Archive File Compression and Decompression (C/C++)
• Streaming Compression and Decompression (C/C++)
• Buffer Compression and Decompression (C/C++)
• Accessing Files on the Native Side
• About This Kit
• Knowledge Processing
• RAG Overview
• Knowledge Q&A
• Configuring a Prompt Template
• Configuring Hyperparameters
• Configuring a Thought Template
• Complete Sample Code
• Intelligent Data Retrieval-ArkTS
• Intelligent Data Retrieval-C++
• On-Device Q&A Model
• RAG Glossary
• On-Device Q&A Model Glossary
• About This Kit
• ArkTS Widget Overview
• Creating an ArkTS Widget
• Configuring ArkTS Widget Configuration Files
• Managing ArkTS Widget Lifecycle
• ArkTS Widget Process Model
• Overview of ArkTS Widget UI Development
• Using Animations in ArkTS Widgets
• Using Canvas in ArkTS Widgets
• Using Custom Fonts in ArkTS Widgets
• Overview of ArkTS Widget Update
• Active Update of ArkTS Widgets
• Passive Update of ArkTS Widgets
• Push Updates for ArkTS Widgets
• Updating Local and Online Images in the Widget
• Updating Widget Content by State
• Overview of ArkTS Widget Page Interaction
• Redirecting to an Application Page (router Event)
• Launching UIAbility to the Background (call Event)
• Transferring Messages to an Application (message Event)
• Updating Widget Content Through the router or call Event
• Editing ArkTS Widgets
• Adding ArkTS Widgets to the Home Screen from Within an App
• ArkTS Lock Screen Widget
• ArkTS Transparent Widget
• Standby Screen Widgets
• Overview of Interactive Widgets
• Developing a Fun-based Widget
• Developing a Scene-based Widget
• Music Widget
• Widget Updates and Data Interaction
• ArkTS Widget Adaptation FAQs
• JS Widget Overview
• Developing a JS Widget (Stage Model)
• Developing a JS Widget (FA Model)
• Glossary
• About This Kit
• Implementing an Input Method Application
• Using the Input Method in a Custom Edit Box
• Switching Between Input Methods
• Setting Input Method Subtypes
• Security Mode of the Input Method
• Using the Input Method in a Custom Edit Box (C/C++)
• Immersive Mode of the Input Method Application
• IME Tool
• Input Box and Input Method Interaction in Non-Focusable Windows
• Glossary
• About This Kit
• IPC and RPC Development (ArkTS)
• IPC and RPC Development (C/C++)
• Subscribing to State Changes of a Remote Object
• Glossary
• About This Kit
• UI Design for Internationalization
• Locale ID and Cultural Habit Division
• System Language and Region
• Preferred Language
• User Preferences
• Date and Time Formatting
• Number and Unit of Measurement Formatting
• Phone Number Formatting
• Calendar Setting
• Time Zone Setting
• DST Transition
• Overview of Multilingual Sorting
• Sorting by Local Habits
• Sorting by Indexes
• Character Processing
• Overview
• Language and Locale Name Localization
• Multilingual Adaptation
• Hard Coding and Concatenation Prevention
• Scene and Context Clarification for Translation
• Singular/Plural Form Selection
• Overview of Pseudo-Localization Testing
• Pseudo-Localization Testing for Translation
• Pseudo-Localization Testing for UI Mirroring
• Linguistic Testing
• Glossary
• About This Kit
• (Recommended) Layered Icon Processing
• Single-Layer Icon Processing
• Setting the Dynamic Blur Style
• Setting the Message Reminder
• Configuring the Custom Area
• Dynamically Displaying and Hiding the Title Bar
• Configuring the Sheet Style
• Setting the Icon Type
• Configuring In-App Multi-Window
• Development Example
• Configuring the Sidebar in Overlay Mode
• Configuring the Sidebar in Embed Mode
• Sidebar Menu Style
• Setting Tab Bar Dividers
• Setting the Tab Bar Blur Style
• Configuring the Tab Icon Bleed Style
• Configuring the Sidebar Half-Screen-based Center-Aligned Style
• Setting the Tab Bar Floating Style
• Configuring a Persistent Notification Pop-up
• Configuring a Scheduled Notification Pop-up
• Configuring a Component with a Primary Button
• Configuring a Component Without a Primary Button
• Configuring the List Style with Horizontal Swipe Animation
• Configuring the List Card Style
• Loading a Custom Symbol for an App
• Point-Light Effect
• Shadow Effect upon a Press
• Dual-Edge Flowing Light Effect
• Background Flowing Light Effect
• Dual-Edge Flowing Light with a Background
• In-App Multi-Window
• Immersive Light
• Color Selection and Favorites Management
• How Do I Obtain the layeredDrawableDescriptor Object Information?
• What Are the Possible Causes and Solutions for 401 Parameter Check Failure?
• Glossary
• Access Control Overview
• Application Permission Management Overview
• Workflow for Requesting Permissions
• Declaring Permissions
• Requesting User Authorization
• Requesting User Authorization for the Second Time
• Requesting One-Time User Authorization
• Manual Authorization
• Requesting Restricted Permissions
• Open system_grant Permissions
• Open user_grant Permissions
• Restricted Permissions
• Permissions for Enterprise Applications
• Permissions for MDM Applications
• Application Permission Groups
• Removing Requested Permissions
• FAQs About Packet Capture/Debugging Permission
• Security Component Overview
• Using PasteButton
• Using SaveButton
• Using System Pickers
• Overview of the Password Autofill Service
• Quick Adaptation
• Autosave of Accounts and Passwords
• Updates of Accounts and Passwords
• Autofill of Accounts and Passwords
• Autofill of Strong Passwords
• Suggestions on Automatically Generating Strong Passwords for Applications
• Adaptation Suggestions for Custom Layouts
• Adaptable Scenarios
• Adding Password Vault for Web Pages
• Sharing Account Data Between Applications and Web Pages
• Application Encryption
• About This Kit
• Protecting Asset Data
• Protecting Asset Data with User Authentication
• Adding an Asset (ArkTS)
• Removing Assets (ArkTS)
• Updating an Asset (ArkTS)
• Querying Assets (ArkTS)
• Querying Assets Used for User Authentication (ArkTS)
• Adding Assets in Batches (ArkTS)
• Removing Assets in Batches (ArkTS)
• Updating Assets in Batches (ArkTS)
• Managing Assets in a Group (ArkTS)
• Syncing Assets (Backup and Restore) (ArkTS)
• Adding an Asset (C/C++)
• Removing Assets (C/C++)
• Updating an Asset (C/C++)
• Querying Assets (C/C++)
• Managing Assets in a Group (C/C++)
• Syncing Assets (Backup and Restore) (C/C++)
• Glossary
• About This Kit
• Running a Data App to Process Data
• Glossary
• About This Kit
• Randomly Generating a Symmetric Key (ArkTS)
• Randomly Generating a Symmetric Key (C/C++)
• Converting Binary Data into a Symmetric Key (ArkTS)
• Converting Binary Data into a Symmetric Key (C/C++)
• Randomly Generating an Asymmetric Key Pair (ArkTS)
• Randomly Generating an Asymmetric Key Pair (C/C++)
• Converting Binary Data into an Asymmetric Key Pair (ArkTS)
• Converting Binary Data into an Asymmetric Key Pair (C/C++)
• Generating an Asymmetric Key Pair Based on Key Parameters (ArkTS)
• Generating an Asymmetric Key Pair Based on Key Parameters (C/C++)
• Converting a Compressed or Uncompressed ECC Public Key (ArkTS)
• Converting a Compressed or Uncompressed ECC Public Key (C/C++)
• Converting Compressed or Uncompressed ECC Point Data (ArkTS)
• Converting Compressed or Uncompressed ECC Point Data (C/C++)
• Converting a PEM String into an Asymmetric Key Pair (ArkTS)
• Converting a PEM String into an Asymmetric Key Pair (C/C++)
• Encoding and Decoding with an RSA Private Key (ArkTS)
• Encoding and Decoding with an RSA Private Key (C/C++)
• Obtaining a Public Key from a Private Key (ArkTS)
• Obtaining a Public Key from a Private Key (C/C++)
• Encryption and Decryption with an AES Symmetric Key (ArkTS)
• Encryption and Decryption with an AES Symmetric Key (C/C++)
• Encryption and Decryption with a DES Symmetric Key (ArkTS)
• Encryption and Decryption with a DES Symmetric Key (C/C++)
• Encryption and Decryption with a 3DES Symmetric Key Pair (ArkTS)
• Encryption and Decryption with a 3DES Symmetric Key Pair (C/C++)
• Encryption and Decryption with an SM4 Symmetric Key (ArkTS)
• Encryption and Decryption with an SM4 Symmetric Key (C/C++)
• Encryption and Decryption with a ChaCha20 Symmetric Key Pair (ArkTS)
• Encryption and Decryption with a ChaCha20 Symmetric Key Pair (C/C++)
• Encryption and Decryption with an RSA Asymmetric Key Pair (ArkTS)
• Encryption and Decryption with an RSA Asymmetric Key Pair (C/C++)
• Encryption and Decryption with an SM2 Asymmetric Key Pair (ArkTS)
• Encryption and Decryption with an SM2 Asymmetric Key Pair (C/C++)
• Encryption and Decryption of Symmetric Keys with AES-WRAP (ArkTS)
• Encryption and Decryption of Symmetric Keys with AES-WRAP (C/C++)
• Converting SM2 Ciphertext (ArkTS)
• Converting SM2 Ciphertext (C/C++)
• Encryption and Decryption with an RC2 Symmetric Key (CBC Mode) (ArkTS)
• Encryption and Decryption with an RC4 Symmetric Key (ArkTS)
• Encryption and Decryption with ECIES (ArkTS)
• Encryption and Decryption Using ECIES (C/C++)
• Signing and Signature Verification with an RSA Key Pair (ArkTS)
• Signing and Signature Verification with an RSA Key Pair (C/C++)
• Signing and Signature Verification with an ECDSA Key Pair (ArkTS)
• Signing and Signature Verification with an ECDSA Key Pair (C/C++)
• Signing and Signature Verification with an ECC Key Pair (ArkTS)
• Signing and Signature Verification with an SM2 Key Pair (ArkTS)
• Signing and Signature Verification with an SM2 Key Pair (C/C++)
• Converting SM2 Signature Formats (ArkTS)
• Converting SM2 Signature Formats (C/C++)
• Signing and Signature Verification Using ML-DSA Key Pairs (ArkTS)
• Key Agreement Using ECDH (ArkTS)
• Key Agreement Using ECDH (C/C++)
• Key Agreement Using X25519 (ArkTS)
• Key Agreement Using X25519 (C/C++)
• Key Agreement Using DH (ArkTS)
• Key Agreement Using DH (C/C++)
• Key Encapsulation and Decapsulation Using KEM (ArkTS)
• Generating an MD Using SHA-256 (ArkTS)
• Generating an MD Using SHA-256 (C/C++)
• Generating an MD Using MD5 (ArkTS)
• Generating an MD Using MD5 (C/C++)
• Generating an MD Using SHA-3 (ArkTS)
• Generating an MD Using SHA-3 (C/C++)
• Generating an HMAC (ArkTS)
• Generating an HMAC (C/C++)
• Generating a CMAC (ArkTS)
• Generating a CMAC (C/C++)
• Generating Secure Random Numbers (ArkTS)
• Generating Secure Random Numbers (C/C++)
• Generating Secure Random Numbers with Hardware Entropy Sources (ArkTS)
• Generating Secure Random Numbers with Hardware Entropy Sources (C/C++)
• Key Derivation Using PBKDF2 (ArkTS)
• Key Derivation Using PBKDF2 (C/C++)
• Key Derivation Using HKDF (ArkTS)
• Key Derivation Using HKDF (C/C++)
• Key Derivation Using Scrypt (ArkTS)
• Key Derivation Using Scrypt (C/C++)
• Key Derivation Using X963KDF (ArkTS)
• Key Derivation Using X963KDF (C/C++)
• Cross-Platform Data Encryption and Decryption Compatibility
• Glossary
• About This Kit
• DLP Service Development (ArkTS)
• DLP Service Development (C/C++)
• Adapting to Encrypted Share
• Data Protection Kit Glossary
• About This Kit
• Certificate Framework Overview
• Certificate Development
• Certificate Extension Development
• CRL Development
• Creating a TrustAnchor Object Array from a PKCS #12 File
• Certificate Chain Validator Development
• Certificate and CRL Collection Development
• Certificate Chain Development
• Using the Prebuilt CA Certificate to Validate a Certificate Chain
• Certificate Signing with CMS
• Certificate Encapsulation with CMS
• Certificate Signature Verification with CMS
• Certificate Decapsulation with CMS
• Creating and Parsing a Certificate with PKCS #12
• Online Validation of Certificate Revocation Status of a Certificate Chain
• Downloading the Missing Intermediate CA Certificate During Certificate Chain Validation
• Building and Verifying a Certificate Chain
• Certificate Manager Overview
• CA Certificate Development
• Application Certificate Development
• User Certificate Credential Development
• System Certificate Credential Development
• Glossary
• About This Kit
• Service Quota
• Enabling Device Security Kit
• Generating a JWT Based on a Service Account
• DeviceVerify
• Enhanced System Integrity Check
• System Integrity Check
• URL Check
• Local System Integrity Check
• Unified Risk Control Credential
• Image Security Verification
• Location Security Verification
• Secure Image Compression and Cropping
• Verifying the Anonymous Certificate Chain
• Verifying the Signature
• TrustedAppService Glossary
• Overview
• Setting the Digital Shield Password
• Changing the Digital Shield Password
• Disabling the Digital Shield Service
• Password-based Transaction Authentication
• Enabling Biometric Authentication
• Performing Biometric Transaction Authentication
• Disabling the Authentication Capability of a Specified Biometric Feature
• Digital Shield Signature Key Backup and Restoration
• Digital Shield Access in Web Page Scenarios (FIDO2)
• TrustedAuthentication Glossary
• Single-Client Subscription
• Subscribing to Notification Events
• Subscribing to Authentication Events
• Process Information Query
• Code Signature Information Query
• Querying Notification Client Information
• Querying Authentication Client Information
• Subscribing to Notification Events
• Subscribing to Authentication Events
• Process Information Query (C/C++)
• Code Signature Information Query (C/C++)
• Querying Notification Client Information (C/C++)
• Querying Authentication Client Information (C/C++)
• Fraud Detection
• Simulated Click Detection
• Enhanced Simulated Click Detection
• Terms of BusinessRiskIntelligentDetection
• RiskControlEngine
• Device Security Mode Query (C/C++)
• Obtaining Fraudulent Messages
• Obtaining Fraudulent Call Logs
• Obtaining Fraudulent Apps
• Screen Privacy
• VirusProtectionServiceManager (C/C++)
• Querying the Super Privacy Mode Status
• Querying the Super Privacy Policy Status
• Subscribes to Super Privacy mode change events.
• Subscribing to Super Privacy Mode and Policy Change Events
• Personal Data Processing Information
• Supported Countries/Regions
• About This Kit
• Development Preparations
• Starting a File Scanning Task
• File Opening
• Setting Tags for a File
• Obtaining the Tags of a File
• Obtaining the URI of a File
• Deleting a File from a Specified Path
• Updating a Security Control Policy
• Setting the KIA File List
• Subscribing to and Unsubscribing from KIA File Copy, Rename, and Compress Events
• Setting a Watermark Image for KIA Files
• Adding, Deleting, and Obtaining an App Trustlist
• Setting HDC Authentication Keys
• Subscribing to or Unsubscribing from Printing Service Startup Events
• Process Management
• Obtaining the Enterprise Recovery Key for Decrypting Hard Disk Data
• Obtaining the Enterprise Recovery Key for Resetting the Screen Lock Password
• Obtaining a Challenge
• Signing a Challenge
• Updating the Enterprise Public Key Certificate
• Deleting an Enterprise Recovery Key
• Lite Import Title
• Glossary
• About This Kit
• Preparations
• App Directory Scanning
• File Opening
• File Isolation
• Isolated File Restoration
• Deletion of Isolated Files
• Isolation Query
• Threat Process Termination
• Enterprise Threat Protection Kit FAQs
• Glossary
• About This Kit
• Development Preparations
• FIDO Passwordless Authentication
• IFAA Passwordless Authentication
• SOTER Passwordless Authentication
• Overview
• Authentication Using Passkeys (ArkTS)
• Authentication Using Passkeys (C/C++)
• DID Digital Identity
• Glossary
• IFAA FAQs
• Personal Data Processing Information
• Website Link Disclaimer
• About This Kit
• Basic Concepts of Local Key Management
• Key Generation Overview and Algorithm Specifications
• Generating a Key (ArkTS)
• Generating a Key (C/C++)
• Key Import Overview and Algorithm Specifications
• Importing a Key in Plaintext (ArkTS)
• Importing a Key in Plaintext (C/C++)
• Importing a Key in Secure Mode (ArkTS)
• Importing a Key in Secure Mode (C/C++)
• Importing a Key Using a Digital Envelope (ArkTS)
• Importing a Key Using a Digital Envelope (C/C++)
• General Process of Using a Key
• Encryption and Decryption Overview and Algorithm Specifications
• Encryption and Decryption (ArkTS)
• Encryption and Decryption (C/C++)
• Signing and Signature Verification Overview and Algorithm Specifications
• Signing and Signature Verification (ArkTS)
• Signing and Signature Verification (C/C++)
• Key Agreement Overview and Algorithm Specifications
• Key Agreement (ArkTS)
• Key Agreement (C/C++)
• Key Encapsulation Mechanism and Algorithm Specifications
• Encapsulating a Key (ArkTS)
• Key Derivation Overview and Algorithm Specifications
• Key Derivation (ArkTS)
• Key Derivation (C/C++)
• HUKS Access Control Overview
• HUKS Access Control Development
• Refined Access Control Development
• HMAC Overview and Algorithm Specifications
• HMAC (ArkTS)
• HMAC (C/C++)
• CMAC (ArkTS)
• CMAC (C/C++)
• Deleting a Key (ArkTS)
• Deleting a Key (C/C++)
• Key Attestation Overview and Algorithm Specifications
• Anonymous Key Attestation (ArkTS)
• Anonymous Key Attestation (C/C++)
• Offline Anonymous Key Attestation (ArkTS)
• About Application Attestation
• Application Development
• Server Development
• Application Development
• Server Development
• Integration Design Practice for Verifying the Authenticity of Application Requests
• Checking a Key (ArkTS)
• Checking a Key (C/C++)
• Obtaining Key Properties (ArkTS)
• Obtaining Key Properties (C/C++)
• Exporting a Key (ArkTS)
• Exporting a Key (C/C++)
• Querying Key Aliases (ArkTS)
• Querying Key Aliases (C/C++)
• About Exporting and Importing a Key in Ciphertext
• Exporting and Importing a Key in Ciphertext (ArkTS)
• Exporting and Importing a Key in Ciphertext (C/C++)
• Group Key Overview
• Group Key (ArkTS)
• Group Key (C/C++)
• External Key Management Extension Overview
• Provider Management Overview and Specifications
• Registering and Unregistering a Provider (ArkTS)
• Registering and Unregistering a Provider (C/C++)
• Resource Management Overview and Specifications
• Obtaining a Resource ID (ArkTS)
• Opening/Closing a Resource (ArkTS)
• Opening and Closing Resources (C/C++)
• Key Generation, Import, and Export
• Generating a Key (ArkTS)
• Importing a Key (ArkTS)
• Exporting a Public Key (ArkTS)
• UKey PIN Authentication Overview and Specifications
• Authentication Status Query (ArkTS)
• Authentication Status Query (C/C++)
• Clearing the UKey PIN Authentication Status (ArkTS)
• Signing and Signature Verification Overview and Algorithm Specifications
• Signing and Signature Verification (ArkTS)
• Signing and Signature Verification (C/C++)
• General Query Overview and Specifications
• General Query (ArkTS)
• General Query (C/C++)
• Setting Properties (ArkTS)
• Obtaining Error Information (ArkTS)
• UKey Process Example
• CryptoExtensionAbility Extension Capability Overview
• CryptoExtensionAbility Adaptation Development
• Personal Data Processing Information
• Glossary
• About This Kit
• Before You Start
• Obtaining Supported Authentication Capabilities
• Initiating User Authentication
• Canceling User Authentication
• Perceiving and Adjusting the Authentication Process
• Applying Custom Authentication
• Obtaining Enrolled Credential Status
• Using userAuthIcon
• Obtaining the Locking Status of a Specified Authentication Type
• Companion Device Authentication
• How to Detect Changes in Device Fingerprints for Fingerprint Login
• How to Detect Authentication Failure During Fingerprint Login
• Glossary
• About This Kit
• Accessory Integration
• An Exception Occurs During API Calls, and the Expected Operation Cannot Be Completed
• Glossary
• About This Kit
• Bluetooth Overview
• Bluetooth Setting
• Device Discovery
• Device Pairing
• SPP-based Connection and Data Transmission
• BLE Scanning and Advertising
• GATT-based Connection and Data Transmission
• 401 Invalid Parameter Reported When an Optional Property Is Explicitly Set to undefined
• Bluetooth Glossary
• NFC Development
• NFC Tag Read/Write Development
• HCE Development
• SE Access Development
• WLAN Service Development Overview
• P2P Connection Development
• STA Development
• Wi-Fi Scan Development
• Converged Short-Range Service Development
• Interconnection Between Partner Devices and HarmonyOS Devices
• Converged Short-Range Glossary
• NearLink Overview
• Getting Started
• Discovering NearLink Devices
• Managing SSAP Connections and Services
• Transferring Data over NearLink
• Obtaining NearLink Coordinated Devices Set Information
• NearLink FAQs
• NearLink Glossary
• About This Kit
• Distributed Device Management Development
• Cross-Device UIAbility Connection Development
• Enhanced Connection Development
• About This Kit
• Preparations
• Checking Whether NearLink Is Supported
• Querying NearLink Status
• Sending NearLink Advertising Packets
• Initiating NearLink Scanning
• SSAP Server
• SSAP Client
• Transferring Data Using NearLink
• Obtaining NearLink Cooperative Device Set Information
• FAQs
• Glossary
• About This Kit
• Using HTTP for Network Access
• Using WebSocket for Network Access
• Using WebSocket for Network Access (C/C++)
• Using Socket for Network Access
• Using MDNS for LAN Access
• Using DNS for Domain Name Resolution
• Using HTTP Global Interceptor (C/C++)
• Network Connection Management
• Network Connection Management (C/C++)
• VPN Management
• Application Network Reconnection
• Network Information Query and Connection Management
• Network Connection Security Configuration
• Collecting Network Statistics
• Using the Network Firewall
• Extensible Authentication
• Glossary
• About This Kit
• Preparations
• Network Quality Assessment
• Network Scenario Identification
• App Data Transmission Quality Feedback
• Weak Network Signal Awareness and Judgment
• Network Handover Notification
• Handover Mode Setting
• Overview
• Setting the Service Scenario
• Listening to the Multi-Network Concurrency Status
• Listening to Multi-Network Concurrency Suggestions
• Querying Multi-Network Concurrency Quota Information
• Initiating and Releasing Multi-Network Concurrency
• Network Acceleration Based on Multi-Network Concurrency
• Network Quality Assessment (C/C++)
• Network Scenario Identification (C/C++)
• App Data Transmission Quality Feedback (C/C++)
• Weak Network Signal Awareness and Judgment (C/C++)
• Network Handover Notification (C/C++)
• Handover Mode Setting (C/C++)
• Setting the Service Scenario (C/C++)
• Listening to the Multi-Network Concurrency Status (C/C++)
• Listening to Multi-Network Concurrency Suggestions (C/C++)
• Querying Multi-Network Concurrency Quota Information (C/C++)
• Initiating and Releasing Multi-Network Concurrency (C/C++)
• How Do I Determine Whether the Current Network Is a Wi-Fi or Cellular Network During Multi-Network Concurrent Transmission?
• What Will Happen If the Quota of Multi-Network Concurrency Is Used Up?
• Glossary
• About This Kit
• Preparations
• Sending a Network Request (ArkTS)
• Canceling a Network Request (ArkTS)
• Closing a Session (ArkTS)
• Sending a Network Request (C++)
• Canceling a Network Request (C++)
• Closing a Session (C++)
• DnsConfiguration: DNS Customization
• TransferConfiguration: Data Transmission Customization
• ProxyConfiguration: Proxy Customization
• SecurityConfiguration: Secure Transmission Customization
• ProcessingConfiguration: Processing Customization
• Interceptor: Richer and Higher-Level Customization Capabilities
• Implementing Upload and Download Quickly
• Implementing the Function of Suspending/Resuming Requests and Resuming Transfer
• Streaming
• Performance Maintenance and Test Based on TracingConfiguration
• Transmission Performance Optimization Based on Configuration
• Basic HTTP Caching Function
• Cache Sharing Between Sessions
• Customizing a Cache Interceptor
• Boosting HTTP Transmission Performance Through Pre-connection
• Receiving Push Messages over a QUIC Long-Lived Connection
• Calling a Remote Program Using URPC
• Glossary
• About This Kit
• Introduction to Device Interconnectivity
• Development Guide for Device Interconnectivity
• Overview of Device Interconnectivity in NDK
• Development Guide for Device Interconnectivity in NDK
• Device Interconnectivity (RichEditor Control)
• OneHop for Device Interaction
• After the Device Interconnectivity Control Is Connected, No Devices Are Available for Selection
• About This Kit
• Call Service Development
• SMS Service Development
• Glossary
• Getting Started with Network Navigator
• Capturing Packets with tcpdump Using Network Packet Analysis
• About This Kit
• Introduction to Common Events
• Subscribing to Common Events in Dynamic Mode
• Unsubscribing from Common Events in Dynamic Mode
• Publishing Common Events
• Subscribing to Common Events in C
• Unsubscribing from Common Events in C
• Publishing Common Events in C
• Common Event Service Terminology
• Using Emitter for Inter-Thread Communication
• System Account Introduction
• Managing Application Accounts
• USB Service Development Overview
• USB Device Management
• USB Control Transfer
• USB Interrupt Transfer
• USB Bulk Transfer
• USB Isochronous Transfer
• USB Serial Communication Development Overview
• USB Serial Configuration Management
• USB Serial Communication Management
• FAQs
• USB Service Glossary
• Serial Port Communication Development
• Sample Server Development Overview
• Sample Server Development
• Update Service Terminology
• Requesting Permissions to Access the Pasteboard
• Using the Pasteboard to Copy and Paste
• Using the Pasteboard to Copy and Paste (C/C++)
• Using the Delayed Copy and Paste Feature of the Pasteboard
• Clipboard Glossary
• Uploading and Downloading Application Files
• Compressing and Decompressing Files
• Overview of the Word Selection Service
• Developing a Word Selection Extension Ability
• Selection Service Terminology
• Preventing the Idle System from Entering Sleep Mode
• Printing Files (C/C++)
• PrintExtensionAbility
• About This Kit
• Adding App Icons to the Status Bar
• Adding App Icons to the Quick Bar
• Glossary
• About This Kit
• Using Segment Map to Query and Maintain Range Information
• Using RectPartition to Solve the Rectangular Partition Problem
• Using PolyRoot to Solve Polynomial Roots
• Using ConcurrentHashMap to Query and Maintain Key-Value Information in a Multithreaded Environment
• Using DSP for Vector Computation
• Using DSP for Second-Order IIR Filtering
• Using DSP for FFT
• Using HashMap to Manage Key-Value Data
• Using Sort for Generic and Natural Language Sorting
• Using mathPrediction for Mathematical Prediction
• Using perfHint for System Performance Optimization (ArkTS)
• Using perfHint for System Performance Optimization (C/C++)
• Glossary
• About This Kit
• Function Flow Runtime Paradigms
• Function Flow Runtime Serial Queue (C)
• Function Flow Runtime Concurrent Queue (C)
• Function Flow Runtime Task Graph (C)
• Function Flow Runtime Serial Queue (C++)
• Function Flow Runtime Concurrent Queue (C++)
• Function Flow Runtime Task Graph (C++)
• Function Flow Runtime Job Partner (C++)
• Function Flow Runtime Development
• Function Flow Runtime C APIs
• Glossary
• About This Kit
• Input Device Development
• Preferential Response of System Function Keys
• Mouse Pointer Development
• Event Listening Development (C/C++)
• Event Interception Development (C/C++)
• Glossary
• About This Kit
• MDM Kit Development
• App Model
• Multi-App Management
• EnterpriseAdminExtensionAbility Development
• Personal Data Processing Information
• Glossary
• Appendix
• About This Kit
• QoS Development
• Gewu Service Development
• Setting Thread Priorities in High-Load Scenarios
• Glossary
• About This Kit
• Enabling Hotspot Accelerate
• Glossary
• About This Kit
• Device Hardware Consistency Check
• About This Kit
• Development Preparations
• Navigation Hop to Head Unit
• Address Hop to Head Unit
• Hop to Walking Navigation upon Vehicle Exit
• Proactively Obtaining HiCar Connection Status
• Listening to HiCar Connection Status
• Connecting an App on Super Home Screen to the Distributed Camera
• Glossary
• About This Kit
• Setting Up the Environment
• UI-free Driver Development
• UI-based Driver Development
• USB DDK Development
• HID DDK Development
• USB Serial DDK Development
• SCSI Peripheral DDK Development
• FAQs
• Glossary
• About This Kit
• Stationary Development
• Motion Awareness Development
• Device Status Awareness Development
• Metadata Binding Development
• Glossary
• About This Kit
• Integrating the Handwriting Suite
• Integrating Point Prediction
• Integrating Instant Shape
• Integrating the Global Color Picker
• Integrating Stylus Interaction
• Connecting to Stylus Frame Boost
• Integrating the Global Color Picker
• Integrating Point Prediction
• Connecting to Stylus Frame Boost
• Does the Handwriting Suite of Pen Kit Support Custom Brushes?
• Does the Handwriting Suite of Pen Kit Support Custom Brush Widths?
• Does the Handwriting Suite of Pen Kit Support Custom Colors?
• Can the Toolbar of the Handwriting Suite of Pen Kit Be Provided Separately?
• Do I Need to Integrate the Point Prediction Feature of Pen Kit After the Handwriting Suite Has Been Integrated?
• Do I Need to Integrate the Instant Shape Feature of Pen Kit After the Handwriting Suite Has Been Integrated?
• Can I Adjust the Prediction Degree of the Point Prediction Feature of Pen Kit?
• Why Does the Instant Shape Feature Fail to Recognize a Shape?
• About This Kit
• Sensor Overview
• Sensor Development (ArkTS)
• Sensor Development (C/C++)
• Vibrator Overview
• Vibrator Development (ArkTS)
• Vibrator Development (C/C++)
• Glossary
• About This Kit
• Object Tracking Photography Development
• Glossary
• About the Service
• Use Cases
• Applying for Integrating Wear Engine Kit
• Configuring the Client ID
• Querying Connected Wearables
• Requesting User Authorization
• Querying Wearable Device Information
• Selecting a Target Device
• App-to-App Message Communications
• Querying and Subscribing to Status
• Template-based Notifications on Wearables
• Obtaining Wearable Device Sensor Data
• Managing the Connection Status Between Your App and Wear Engine Kit
• Querying Connected Peer Devices
• App-to-App Message Communications
• Debugging and Verification
• If the Project Already Has an App ID, Do I Need to Apply for a New One?
• How Do I Obtain the App Fingerprint?
• Why Is the User Authorization Screen Not Displayed?
• What Can I Do If Error Message "App has not applied for the Wear Engine service" is Reported During an API Call?
• Why Is Data Not Reported Immediately After the HR Sensor Is Enabled?
• Why Is 0 or 255 Reported by the HR Sensor?
• Result code 206 is displayed when the phone is communicating with a lite wearable device
• Why Is Error Code 1008500011 Displayed When a File Is Sent from the Phone-Side App to the Wearable-Side App?
• Submitting a Ticket Online If You Cannot Find the Answer to Your Question
• Personal Data Processing Information
• Glossary
• About This Kit
• Preparations
• Integrating AOD Navigation
• Glossary
• About This Kit
• Overview
• JS Crash (Process Crash) Detection
• C++ Crash (Process Crash) Detection
• Address Sanitizer Detection
• Application Freeze Detection
• Resource Leak Detection
• Task Timeout Detection
• Application Killed Detection
• Page Switch Logs
• Power Detection
• Performance Detection
• Using HiLog (ArkTS)
• Using HiLog (C/C++)
• Introduction to HiAppEvent
• Event Subscription Overview
• Event Subscription (ArkTS)
• Event Subscription (C/C++)
• Crash Event Overview
• Subscribing to Crash Events (ArkTS)
• Subscribing to Crash Events (C/C++)
• Application Freeze Event Overview
• Subscribing to Application Freeze Events (ArkTS)
• Subscribing to Application Freeze Events (C/C++)
• App Freeze Warning Event Overview
• Subscribing to App Freeze Warning Events (ArkTS)
• Subscribing to App Freeze Warning Events (C/C++)
• Resource Leak Event Overview
• Subscribing to Resource Leak Events (ArkTS)
• Subscribing to Resource Leak Events (C/C++)
• Address Sanitizer Event Overview
• Subscribing to Address Sanitizer Events (ArkTS)
• Subscribing to Address Sanitizer Events (C/C++)
• Main Thread Jank Event Overview
• Subscribing to Main Thread Jank Events (ArkTS)
• Subscribing to Main Thread Jank Events (C/C++)
• Task Execution Timeout Event Overview
• Subscribing to Task Execution Timeout Events (ArkTS)
• Subscribing to Task Execution Timeout Events (C/C++)
• Application Killed Event Overview
• Subscribing to Application Killed Events (ArkTS)
• Subscribing to Application Killed Events (C/C++)
• ArkWeb Fling Jank Event Overview
• Subscribing to ArkWeb Fling Jank Events (ArkTS)
• Introduction to Time-Consuming Launch Events
• Subscribing to Time-Consuming Launch Events (ArkTS)
• Subscribing to Time-Consuming Launch Events (C/C++)
• Introduction to Scrolling Frame Loss Events
• Subscribing to Scrolling Frame Loss Events (ArkTS)
• Subscribing to Scrolling Frame Loss Events (C/C++)
• Introduction to High CPU Load Events
• Subscribing to High CPU Load Events (ArkTS)
• Introduction to Battery Usage Statistics Events
• Subscribing to Battery Usage Statistics Events (ArkTS)
• Introduction to Audio Jank Events
• Subscribing to Audio Jank Events (ArkTS)
• Subscribing to Audio Jank Events (C/C++)
• HiAppEvent FAQs
• Using FaultLogExtensionAbility to Subscribe to Events
• Introduction to HiTraceMeter
• Using HiTraceMeter (ArkTS)
• Using HiTraceMeter (C/C++)
• Viewing HiTraceMeter Logs
• Introduction to HiTraceChain
• Using HiTraceChain (ArkTS)
• Using HiTraceChain (C/C++)
• Using HiChecker (ArkTS)
• Introduction to HiDebug
• Using HiDebug APIs (ArkTS)
• Using HiDebug APIs (C/C++)
• Using HiCollie to Detect Service Thread Stuck and Jank Events (C/C++)
• Using HiCollie to Detect Function Execution Timeout Events (C/C++)
• Development of Error Manager
• Development of Application Recovery
• App Gray-scale Data Collection Overview
• Using HiRetrieval for App Gray-Scale Data Collection (ArkTS)
• Glossary
• Personal Data Processing Statement
• About This Kit
• JsUnit User Guide
• UITest User Guide
• PerfTest User Guide
• SmartPerf Device User Guide
• wukong User Guide
• About This Kit
• hdc
• Ability Assistant
• Bundle Manager
• Packing Tool
• Unpacking Tool
• App Check Tool
• Common Event Manager
• Advanced Notification Manager
• Enterprise Device Manager
• restool
• param
• power-shell
• Access Token Manager
• network-cfg
• hilog
• hilogtool
• hidumper
• PrivacyManagerService
• hitrace
• hiperf
• hiprofiler
• uinput
• Toybox
• mediatool
• devicedebug
• rawheap-translator
• js-rawheap-translator
• SourceMap Splitter
• netcopilot
• Binary Sign Tool
• Media Development at a Glance
• Using HDR Vivid in Media Applications
• About This Kit
• Audio Focus and Audio Session Overview
• Introduction to Audio Focus
• Audio Session Management (ArkTS)
• Using OHAudio for Audio Session (C/C++)
• Audio Playback Development
• Choosing the Right Playback Stream Type
• (Recommended) Using OHAudio for Audio Playback (C/C++)
• Using AudioRenderer for Audio Playback (ArkTS)
• Low-Latency Audio Playback (C/C++)
• Low-Power Audio Playback
• Using AudioHaptic for Audio-Haptic Playback (ArkTS)
• Using SoundPlayer for System Sound Effect Playback
• Volume Management
• Spatial Audio Capability Query and Status Subscription
• Audio Playback Stream Management
• Audio Recording Development
• Choosing the Right Recording Stream Type
• (Recommended) Using OHAudio for Audio Recording (C/C++)
• Using AudioCapturer for Audio Recording (ArkTS)
• Low-Latency Audio Recording (C/C++)
• Implementing Background Recording
• System Audio Recording Overview and API Selection
• Implementing System Audio Recording
• Managing Microphone Mute State
• Querying and Listening for the Recording Status of Other Applications
• Recording Concurrency Strategy Description
• Implementing Custom Audio Monitoring
• Implementing Low-Latency Audio Monitoring
• Querying and Listening for Audio Input Devices
• Querying and Listening for Audio Output Devices
• Switching Audio Input Devices
• Switching Audio Output Devices
• Handling Output Device Changes Gracefully
• Audio Call Overview
• Developing Audio Call
• Enhancing Audio Performance Experience
• Audio Workgroup Management
• Audio Creation Overview (C/C++)
• Offline Editing (C/C++)
• Real-Time Preview (C/C++)
• Audio Format Conversion (C/C++)
• Spatial Audio Rendering (C/C++)
• Audio Effects (C/C++)
• OH_MIDI Overview (C/C++)
• Using OH_MIDI for MIDI Development (C/C++)
• Switching from OpenSL ES to OHAudio (C/C++)
• Using OpenSL ES for Audio Playback (C/C++)
• Using OpenSL ES for Audio Recording (C/C++)
• Using Audio Snapshots for Troubleshooting
• Troubleshooting Silent Playback Issues
• Troubleshooting Audio Playback Stuttering and Noise Issues
• Troubleshooting Silent Recording Issues
• Glossary
• About This Kit
• AVCodec Supported Formats
• Obtaining Supported Codecs
• Audio Encoding
• Synchronous Audio Encoding
• Audio Decoding
• Synchronous Audio Decoding
• Video Encoding
• Synchronous Video Encoding
• Temporally Scalable Video Coding
• B-Frame Video Encoding
• Video Encoding Configurations for Typical Scenarios
• ROI Video Encoding
• Encoding with One Input and Dual Outputs
• Encoding with Preprocessing
• Video Decoding
• Synchronous Video Decoding
• Intelligent Smooth High-Speed Playback Decoding
• Video Variable Frame Rate
• Introduction to Audio Vivid Capabilities
• Audio Vivid Demultiplexing
• Audio Vivid Decoding
• Audio Vivid Encoding
• Audio Vivid Playback
• HDR Vivid Video Playback
• HDR Vivid Video Recording
• Converting HDR Vivid to SDR Videos
• Media Data Multiplexing
• Media Data Demultiplexing
• Decoded Video Playback Control in Surface Mode
• A/V Synchronization
• Rendering Video Frames
• HDR Vivid Video Playback and Recording
• HDR Vivid-to-SDR Video Transcoding
• Video Transcoding in Buffer Mode
• Video Encoding in Surface Mode
• Concurrently Creating a Video Decoder and Initializing NativeWindow
• Video Codec Width, Height, Stride, and Crop Information
• About This Kit
• Local AVSession Overview
• AVSession Provider (ArkTS)
• AVSession Provider (C/C++)
• Accessing AVSession
• Background Playback
• Integrating the Lyrics Component
• AVSession Controller
• Switching Call Devices Using Components
• Introduction to Playback Control
• AVCastPicker Development
• Extended Screen Casting Development
• Checklist for Playback Control Access
• Basic Playback Controls
• Quick Playback
• Audio/Video Casting
• Audio Recommendations
• Customizing the Display Layout of Control Buttons in the Media Controller
• Using the Audio Template
• Local Media Session FAQs
• Common FAQs About Distributed Media Sessions
• FAQs About Using AVCastPicker
• FAQs About Using AVCastPickerHelper APIs
• Glossary
• About This Kit
• Requesting Camera Development Permissions
• Camera Device Management (ArkTS)
• Device Input Management (ArkTS)
• Camera Session Management (ArkTS)
• Using the System Camera to Take Photos and Record Videos (CameraPicker)
• Preview (ArkTS)
• Dual-Channel Preview (ArkTS)
• Photo Capture (ArkTS)
• Photo Capture Practices (ArkTS)
• Video Recording (ArkTS)
• Video Recording Practices (ArkTS)
• Metadata (ArkTS)
• Using the Flashlight (ArkTS)
• Adapting Camera Changes in Different Fold States (ArkTS)
• Deferred Photo Delivery (ArkTS)
• Deferred Photo Delivery Practices (ArkTS)
• Moving Photos (ArkTS)
• Basic Camera Animation (ArkTS)
• Using the Camera in the Worker Thread (ArkTS)
• Practices for Camera Recovery from the Background (ArkTS)
• Practices for Automatic Camera Switching (ArkTS)
• White Balance Settings (ArkTS)
• Pressure Management (ArkTS)
• Camera Controller (ArkTS)
• Macro Photography Settings (ArkTS)
• Multi-Camera Concurrent Mode (ArkTS)
• YUV Photo Capture (ArkTS)
• Focus (ArkTS)
• Adjusting Camera Rotation Angles (ArkTS)
• Understanding Camera Rotation Terminology
• Secure Mode Camera (ArkTS)
• Dynamically Adjusting the Preview Frame Rate (ArkTS)
• Using Camera Preconfiguration (ArkTS)
• HDR Vivid Photo Capture (ArkTS)
• HDR Vivid Camera Recording (ArkTS)
• Solution to Screen Artifacts During Camera Preview
• Camera Device Management (C/C++)
• Device Input Management (C/C++)
• Camera Session Management (C/C++)
• Preview (C/C++)
• Secondary Processing of Preview Streams (C/C++)
• Photo Capture (C/C++)
• Photo Capture Practices (C/C++)
• Deferred Photo Delivery (C/C++)
• Video Recording (C/C++)
• Video Recording Practices (C/C++)
• Camera Metadata (C/C++)
• Using the Flashlight (C++)
• Pressure Management (C/C++)
• Macro Photography Settings (C/C++)
• Multi-Camera Concurrent Mode (C/C++)
• YUV Photo Capture (C/C++)
• Focus (C/C++)
• Adjusting Camera Rotation Angles (C/C++)
• Understanding Camera Rotation Terminology
• Dynamically Adjusting the Preview Frame Rate (C/C++)
• Using Camera Preconfiguration (C/C++)
• Camera API Call Sequence Issues
• Camera Preview Stream Startup Issues
• Session Configuration Issues
• Camera Preview Rotation Issues
• White Balance Issues
• Color Space Configuration Issues
• Glossary
• About This Kit
• DRM Development (ArkTS)
• DRM Development (C/C++)
• DRM Playback with AVPlayer (ArkTS)
• DRM Playback with AVCodec (C/C++)
• About This Kit
• Using ImageSource to Decode Images
• Using ImageSource to Decode Pictures
• Image Decoding Memory Optimization (ArkTS)
• Image Region Decoding and Downsampling (ArkTS)
• Using ImageSource to Obtain RAW Data
• Using ImagePacker to Encode Images
• Using ImagePacker to Encode Pictures
• Using PixelMap to Transform Images
• Using PixelMap for PixelMap Operations
• Using VideoProcessingEngine to Upscale Images
• Reading and Editing Image Exif Data
• Reading and Editing Image XMP Metadata
• Using ImageSource to Obtain Specific Metadata
• Using ImageReceiver to Receive Images
• Using Image_NativeModule to Decode Images
• Using Image_NativeModule to Decode Pictures
• Image Decoding Memory Optimization (C/C++)
• Image Region Decoding and Downsampling (C/C++)
• Using Image_NativeModule to Decode Animated Images
• Using Image_NativeModule to Decode HDR Images
• Using Image_NativeModule to Encode Images
• Using Image_NativeModule to Encode Pictures
• Using Image_NativeModule for PixelMap Operations
• Using ImageEffect to Edit Images
• Scaling Images
• Dynamic Metadata Generation for Images
• Color Space Conversion for Images
• Converting HDR Images from Single-Layer to Dual-Layer
• Converting HDR Images from Dual-Layer to Single-Layer
• Using Image_NativeModule to Read and Edit Image Exif Data
• Using Image_NativeModule to Receive Images
• Handling HEIF Images
• Obtaining the Rotation Angle of an Image
• Image Kit Exception Handling
• Common Crash and Error Issues
• Image Decoding
• Image Encoding
• Image Transformation
• PixelMap Operation
• Image Receiving
• Glossary
• About This Kit
• Using AVPlayer to Play Audio (ArkTS)
• Using AVPlayer to Play Videos (ArkTS)
• Using AVPlayer to Set Playback URLs (ArkTS)
• Using AVPlayer to Play Streaming Media (ArkTS)
• Using AVPlayer to Add External Subtitles to Videos (ArkTS)
• Using SoundPool to Play Short Sounds (ArkTS)
• Using AVRecorder to Record Audio (ArkTS)
• Using AVRecorder to Record Videos (ArkTS)
• Using AVScreenCaptureRecorder to Record Screens and Write Them to Files (ArkTS)
• Using AVMetadataExtractor to Extract Audio and Video Metadata (ArkTS)
• Using AVImageGenerator to Extract Video Images at a Specified Time (ArkTS)
• Using AVTranscoder to Transcode Videos (ArkTS)
• Creating an Asynchronous Thread for AVTranscoder Video Transcoding (ArkTS)
• Transcoding FAQs
• Long-Form Video Playback with AVPlayer
• Short-Form Video Playback with AVPlayer
• Embedded Short-Form Video Playback with AVPlayer
• Online Video Playback with AVPlayer
• Minimizing Stuttering in Online Video Playback
• Obtaining Video Thumbnails Using System Capabilities
• Screen Recording Based on AVScreenCapture (ArkTS)
• Using AVPlayer to Play Audio (C/C++)
• Using AVPlayer to Play Videos (C/C++)
• Using AVPlayer to Play Streaming Media (C/C++)
• Using LPP to Play Videos (C/C++)
• Using AVRecorder to Record Audio (C/C++)
• Using AVRecorder to Record Videos (C/C++)
• Using AVScreenCapture in Basic Scenarios
• Using AVScreenCapture in Custom Scenarios
• Screen Capture FAQs
• Using AVScreenCapture to Capture Screens and Write Them to Files (C/C++)
• Using AVScreenCapture to Capture Window-Level Screen (C/C++)
• Capturing the Specified Area on a Screen
• Using AVMetadataExtractor to Obtain Metadata (C/C++)
• Using AVImageGenerator to Obtain Video Frames (C/C++)
• Using AVTranscoder to Transcode Videos (C/C++)
• Video Scaling
• Video Dynamic Metadata Generation
• Video Color Space Conversion
• Screen Recording Based on AVScreenCapture (C/C++)
• Glossary
• About This Kit
• Selecting Media Assets Using Picker
• Saving Media Assets
• Accessing Images/Videos Using PhotoPickerComponent
• Accessing Albums Using AlbumPickerComponent
• Obtaining the Latest Image/Video Using RecentPhotoComponent
• Using PickerController to Replace Original Images with Edited Images
• Recommending Images Using the Photo Picker
• Accessing and Managing Moving Photos
• Playing Moving Photos with MovingPhotoView
• Inheriting Media File Access Permissions After Device Upgrade
• Before You Start
• Managing Media Assets
• Managing User Albums
• Managing System Albums
• Observing Media Assets
• Requesting Media Assets Using MediaAssetManager (C/C++)
• Obtaining and Storing Images
• How to Properly Manage Media Assets
• How to Correctly Identify Media Asset Types
• Geolocation Information Is Missing from Images
• How to Properly Handle High-Resolution Images
• Glossary
• About This Kit
• Setting a Ringtone
• About This Kit
• Getting Started
• Scan-to-Access Capability
• Barcode Scan by Default UI
• Barcode Scanning by Custom UI
• Scanning Barcodes in a Saved Image
• Recognizing Barcodes in Image Data
• Generating a Barcode Image from Text
• Generating a Barcode Image from a Byte Array
• How Do I Add a Quick Entry for the Scan-to-Access Service?
• Failed to Open the Target Page Through Scan-to-Access
• Scan Kit Cannot Recognize Multiple Barcodes at a Time
• Device Types in Uploaded Package Inconsistent with Declared Device Types During Package Upload
• Multi-Barcode Scanning Failed During Gallery-based Barcode Scanning by Default UI
• 1D Code Recognition Failure
• Recognized Coordinate Information of a 1D Code Is Empty
• Scanning Preview Image on Custom UI Stretched
• Black Screen Occurred on the Custom Scanning UI
• How Do I Scan Barcodes Continuously on the Custom Scanning UI?
• Failure to Recognize a Barcode Image Generated from a Byte Array
• How Do I Determine Whether Scanning is Canceled on the Default Scanning UI?
• How Do I Integrate Scan Kit for HTML5
• How Do I Implement Zoom Ratio Change Through Gestures?
• How Do I Implement the Barcode Scanning Box on a Custom UI?
• Experience Design Problem on the Default/Custom Barcode Scanning UI
• How Do I Implement the Retry Mechanism for Barcode Scanning by Custom UI?
• App Occasionally Exits When a User Attempts to Recognize a Barcode from a Saved Image on the Custom Barcode Scanning UI
• How Do I Set the Background Color of a Barcode Image to Transparent?
• Glossary
• Personal Data Processing Information
• About This Kit
• Preparations
• Introduction
• Managing AR Sessions (ArkTS)
• Managing AR Sessions (C/C++)
• Introduction
• Obtaining the Device Pose (ArkTS)
• Obtaining the Device Pose (C/C++)
• Introduction
• Detecting Planes in the Environment (ArkTS)
• Detecting Planes in the Environment (C/C++)
• Introduction
• Placing Objects (ArkTS)
• Placing Objects (C/C++)
• Introduction
• Recognizing Plane Semantics (ArkTS)
• Recognizing Plane Semantics (C/C++)
• Introduction
• Recognizing the Target Shape (C/C++)
• Introduction
• Obtaining Mesh Scanning Information (ArkTS)
• Obtaining Mesh Scanning Information (C/C++)
• Introduction
• Obtaining Depth Estimation Information (ArkTS)
• Obtaining the Depth Image (C/C++)
• Introduction
• High-Precision Geometric Reconstruction (ArkTS)
• High-Precision Geometric Reconstruction (C/C++)
• Introduction
• Human Body Tracking and Skeleton Keypoint Recognition (ArkTS)
• Human Body Tracking and Skeleton Keypoint Recognition (C/C++)
• Introduction
• Face Tracking (ArkTS)
• Face Tracking (C/C++)
• Introduction
• Image Tracking (ArkTS)
• Image Tracking (C/C++)
• Error Message "plane is nullptr!" Is Reported with the Error Code 401 When I Attempt to Obtain the 2D Vertex Coordinate Array of the Detected Plane
• When the Camera Is Blocked for a Period of Time and Then Uncovered, the Output Pose Changes Dramatically
• Unable to Recognize Planes in Scenarios with Reflections, Dim Lights, or Weak Textures (Where There Is Little Color Variation in the Input Images)
• The Plane Drifts or Pose Data Changes Abruptly in Certain Special Scenarios (Such as When a Strong Magnetic Field Is Nearby, the Phone Is Overheated, or When Duplicate Textures Are Scanned)
• Data Type Conversion
• Glossary
• Personal Data Processing Information
• Appendix
• About This Kit
• Introduction to Variable Frame Rates
• Requesting Frame Rates for Animations
• Requesting Frame Rates for UI Components
• Requesting Frame Rates for Custom Content
• Native DisplaySoloist Development (C/C++)
• Overdraw Debugging
• Overview of Graphics Drawing and Display
• Obtaining a Canvas and Displaying Drawing Results (ArkTS)
• Obtaining a Canvas and Displaying Drawing Results (C/C++)
• Canvas Operations and State Processing (ArkTS)
• Canvas Operations and State Processing (C/C++)
• Overview of Drawing Effects
• Basic Drawing Effects (ArkTS)
• Complex Drawing Effects (ArkTS)
• Basic Drawing Effects (C/C++)
• Complex Drawing Effects (C/C++)
• Drawing Primitives
• Drawing Geometric Shapes (ArkTS)
• Drawing Images (ArkTS)
• Drawing TextBlobs (ArkTS)
• Drawing Geometric Shapes (C/C++)
• Drawing Images (C/C++)
• Drawing TextBlobs (C/C++)
• Introduction to Text Development
• Using Theme Fonts (ArkTS)
• Registering and Using Custom Fonts (ArkTS)
• Obtaining and Using System Fonts (ArkTS)
• Using Theme Fonts (C/C++)
• Registering and Using Custom Fonts (C/C++)
• Obtaining and Using System Fonts (C/C++)
• Text Measurement (ArkTS)
• Text Measurement (C/C++)
• Drawing and Displaying Simple Text (ArkTS)
• Drawing and Displaying Complex Text (ArkTS)
• Drawing and Displaying Custom Text (ArkTS)
• Drawing and Displaying Simple Text (C/C++)
• Drawing and Displaying Complex Text (C/C++)
• Drawing and Displaying Custom Text (C/C++)
• Text Development FAQs
• Adding Image Effects (C/C++)
• NativeVSync Development (C/C++)
• NativeBuffer Development (C/C++)
• NativeImage Development (C/C++)
• NativeWindow Development (C/C++)
• GPU/CPU Memory Access Sync (C/C++)
• Common Stability Issues with Graphics Buffers (C/C++)
• Glossary
• About This Kit
• Setting Up and Managing Scenes
• Creating and Using Material Resources
• Creating and Using Image Resources
• Creating and Using Environment Resources
• Requirements on the .shader File Format
• Controlling and Managing Scene Animations
• Downloading and Installing the ArkGraphics Editor Plugin and Editor
• About This Kit
• Overview
• Overview
• OpenGL ES
• Vulkan
• Overview
• OpenGL ES
• Vulkan
• Overview
• OpenGL ES
• Vulkan
• Overview
• OpenGL ES
• Vulkan
• Overview
• Vulkan
• Developing the ABR Capability
• Developing the OpenGTX Capability
• Overview
• Development Preparations
• Extension-Initiated System-Managed Download
• Extension-Initiated Coordinated Download
• Asset Download in the App Foreground
• Asset Download Switching from the System Background to the App Foreground
• Releasing an Asset Download Task
• Viewing Asset Distribution Data
• Development Preparations
• Overview
• Second-level Launch
• Overview
• Implementing Game Pre-launch
• Development Preparations
• Implementing the Game Buddy Service
• What Are the Graphics APIs Supported by the Frame Generation and ABR Capabilities?
• What Types of Devices Does This Kit Support?
• What Are the Possible Causes of Serious Blurring Artifacts on the Edges of Moving Objects After the Extrapolation Mode of Frame Generation Is Enabled?
• What Kinds of Buffers Are Suitable for the ABR Capability?
• What Can I Do if the Rendering Effect of Other Passes Becomes Abnormal After the Buffer Resolution Is Adapted by the ABR Capability?
• What Can I Do if the Native Texture Content Obtained from the Game Engine Is Empty After the ABR Capability Is Integrated?
• What Types of Asset Formats Are Supported for Upload to Huawei CDNs?
• What Can I Do If the Download Functions Do Not Take Effect Because the Component Type Is Not Configured for the Integrated Game Asset Acceleration ExtensionAbility?
• What Can I Do If the Download Functions Do Not Take Effect Because the Network Permission Is Not Configured for the Integrated Game Asset Acceleration ExtensionAbility?
• Why Do the Static Variables Used in Asset Acceleration ExtensionAbility Methods Not Take Effect?
• How Do I Parse XML Files Corresponding to manifestUrl in the Huawei CDN Scenario?
• Can I Only Access the Download ExtensionAbility Without Rewriting the Download Logic or Middleware in the Game Engine?
• How Do I Use a Specified Test Device for Local Testing After Integrating the Asset Background Download Functions?
• Is It Possible to Stop a Released Download Task, for Example, When I Encounter Issues with Assets?
• Can I Apply for a Continuous Task for Seamless Game Running and Asset Download After the App Switches from the Foreground to the Background?
• How Do I Integrate the Asset Background Download Functions If I Use Unity Addressables in My Game?
• How Do I Avoid Full-Screen Incoming Call Notification for My Game Launched by Loading a Memory Snapshot?
• What Can I Do If Vibration Occurs During Scene Switching After a User Swipes Up to Exit the Game?
• What Can I Do If Third-Party SDK Functions Are Abnormal in a Game Launched from a Memory Snapshot?
• What Can I Do If a Black Screen Is Displayed When the Game Calls UnityEngine.Application.Quit to Exit Through a Side Swipe?
• What Can I Do If the Error Message "BusinessError: The Worker instance is not running, maybe worker is terminated when PostMessage" Is Frequently Recorded in Logs?
• What Can I Do to Avoid Game Freezing upon Next Fast Launch if the Game Freezes Previously?
• What Can I Do If an Error Similar to "UIContent is nullptr" Occurs After Second-Level Game Launch, Causing Sign-in and Other Exceptions?
• What Can I Do If My Game Is Rejected for Failing to Implement Anti-addiction Reminders?
• What Can I Do If the Splash Screen and the Resumed Game Audio Are Out of Sync During Second-Level Game Launch?
• What Can I Do If My Game Cannot Perform Hot Updates After Second-Level Game Launch Is Enabled?
• What Should I Do If an Exception Occurs When the Game Launch Acceleration API Is Called on a Tablet Running Tuanjie Engine 1.8.1 to 1.9.0?
• What Should I Do If the Game Screenshot Callback Does Not Return a File Descriptor?
• Glossary
• About This Kit
• Loading a 3DGS Model
• Adding a Filter Effect
• Reconstructing a 3D Scene (C/C++)
• Managing Spatial Recon Kit Sessions
• Glossary
• About This Kit
• Preparations
• GPU Spatial Upscaling
• AI Temporal Upscaling
• AI Spatial Upscaling
• Adaptive VRS
• Subpass Shading
• Ray-Traced Reflections
• Ray-Traced Shadow and Ambient Occlusion
• Ray-Traced Global Illumination
• Control-Display Separation
• High-Performance GPU Sorting
• What Can I Do If an Extension Instance Fails to Be Created?
• Can I Use Upscaling and Adaptive VRS Features at the Same Time?
• Adaptive VRS Depth Attachment Instructions
• Glossary
• About This Kit
• Management Rules for Using the Sign-in Capability of Account Kit
• Requesting Scopes
• Configuring Signing Information and Adding a Fingerprint
• Configuring the Client ID
• Overview
• Signing In with HUAWEI ID Through Just One Tap (Obtaining the Mobile Number, UnionID, and OpenID)
• Signing In with the HUAWEI ID Sign-In Button
• Signing In with a Custom Button
• Silently Signing In
• Signing In After Authorization by QR Code Scanning
• Overview
• Obtaining the Avatar and Nickname
• Obtaining the Mobile Number
• Obtaining the Shipping Address
• Obtaining the Invoice Title
• Overview
• Obtaining a User's Risk Level Through One-Tap HUAWEI ID Sign-in
• Obtaining a User's Risk Level Through Other Ways for HUAWEI ID Sign-in
• Obtaining the Real-Name Age Group
• Overview
• Following the Device's Youth Mode Status
• Enabling the Youth Mode Within an App
• (Recommended) Disabling the App's Youth Mode
• Disabling the Device's Youth Mode
• Adjusting Youth Mode Settings
• Notification Events
• 1001500001 Fingerprint Certificate Verification Failure
• 1001502014 Necessary Scopes Not Requested
• What Should I Do If the Anonymous Mobile Number Cannot Be Obtained in the One-Tap Sign-In Scenario?
• What Should I Do If the Plaintext Mobile Number Cannot Be Obtained in the One-Tap Sign-In Scenario?
• In the One-Tap Sign-In Scenario Where the App Displays the One-Tap Sign-In Screen, What Should the App Proceed If the User Signs Out of the HUAWEI ID or Switches to Another HUAWEI ID on the Device?
• Is the UnionID/OpenID of a HUAWEI ID User or the Mobile Number Used as Their Unique Identifier During One-Tap Sign-In with a HUAWEI ID?
• How to Exchange User Data Between HarmonyOS APK Apps and HarmonyOS NEXT Apps in the One-Tap Sign-In Scenario?
• What Should I Do If the Avatar and Nickname Cannot Be Obtained?
• Formats of OpenID and UnionID
• What Are the Validity Periods of Access Token and Refresh Token?
• What Are the Length Limits of Access Token and Refresh Token?
• When and How Can I Use the ID Token?
• What Can I Do If USB Debugging Is Unavailable After the Youth Mode Is Enabled?
• Upon Receiving a Notification That the Device's Youth Mode Is Enabled, What Actions Should the App Take?
• Integrating One-Tap HUAWEI ID Sign-In Using a Third-Party Development Framework
• 401 Parameter Check Failure
• 60180007 What Should I Do If the Server Cannot Obtain the One-tap Sign-in Mobile Number of a HUAWEI ID Through the Authorization Code?
• 1001502003 Invalid Input Parameter Value
• Glossary
• Personal Data Processing Information
• Supported Countries/Regions
• About This Kit
• Glossary
• Preparations
• Overview
• Banner Ads
• Native Ads
• Rewarded Ads
• Interstitial Ads
• Splash Ads
• Roll Ads
• Real-Time Bidding
• Why Is a White Screen Displayed When an Ad Is Displayed?
• What Are the Restrictions on Petal Publisher Center?
• Why Is Error Code 801 Returned When a PC Requests or Displays an Ad?
• OAID Service
• Personal Data Processing Information
• About This Kit
• Overview
• Integration Process
• Enabling Relevant Services and Setting Parameters
• Configuring an App
• About Digital Products
• Configuring Digital Products in AppGallery Connect
• Configuring Digital Products Through the Server API
• Displaying Digital Products
• Purchasing Digital Products
• Delivering Digital Products
• Testing the Digital Product Service
• Adding an Atomic Service Widget to the Home Screen
• Displaying the App Details Page
• Adding a Shortcut to the Home Screen
• Querying an App Shortcut
• Deleting an App Shortcut
• On-Demand Feature Distribution (ArkTS)
• On-Demand Feature Distribution (C/C++)
• Ecosystem Query Service
• Update on AppGallery
• Development Overview
• Registering an Enterprise Account
• Managing Attribution Roles
• Standard Conversion Events
• Custom Conversion Events
• Managing Attribution Policies
• Registering Attribution Sources and Conversion Events
• Posting Back the Attribution Result
• Performing Debugging
• Privacy Agreement Management Service
• Dynamically Managing App Icons Through AppGallery Connect
• Dynamically Switching App Icons
• App Review Service
• Can I Configure Multiple Callback URLs for Key Subscription Events in AppGallery Connect?
• What Is the Maximum Length of the IAP Public Key Obtained in AppGallery Connect? Is There a Recommended Length?
• I Try Adding a Product on the Product Management Page in AppGallery Connect, and See a Default Price When Setting My Product Price. What Is the Default Price Used for?
• If I Manually Change an In-App Product's Price for a Specific Country/Region in AppGallery Connect, Will It Still Adjust with Future Exchange Rate Changes?
• Has AppGallery Connect Made Any Numerical Adjustments to the Price Displayed on the Product Management Page, for Example, Changing the Second Decimal Place of a Price to 6 or 9 According to Relevant Rules?
• Is the SHA-256 Certificate Mandatory for Signature Verification?
• Can Signature Verification Be Performed Entirely on the Server Side?
• Is There Only One UI Design for the Payment Screen?
• Can the ID of a Deleted Product Be Used Again for a New Product?
• How Many Certificates Are Supported by the Digital Product Server?
• What Cipher Suites Are Supported by the Digital Product Server?
• What Order Statuses Are Supported by the Digital Product Service?
• What Are the Rules for Renewal Periods of a Subscription?
• Does a One-Month Subscription Renewal Period Refer to 30 Days, 31 Days, or a Calendar Month? Similarly, How Many Days Are Included in Two Months and Three Months?
• Does February Have 28 or 29 Days When the Subscription Period Is Calculated by Calendar Month?
• Why Does an Atomic Service Widget Fail to Be Displayed on AppGallery?
• Why Do the Dynamic Modules Fail to Be Loaded in the On-Demand Loading Scenario?
• Can the Module Loaded on Demand Be Released or Updated on AppGallery Separately?
• If the App Restarts After a Module Is Loaded, Does the Module Remain Loaded? Is It Necessary to Re-initiate an On-Demand Loading Request?
• In the On-Demand Loading Scenario, Can a User Uninstall a Specified Module That Has Been Loaded and Initiate a Request Again?
• Is Synchronous Loading of Dependencies Supported in On-Demand Loading Scenarios?
• Does the On-Demand Loading Scenario Support Multiple Tasks at the Same Time?
• If an App Is Updated on AppGallery After On-Demand Loading Succeeds, Does On-Demand Loading Need to Be Triggered Again?
• Why Does Redirection to a Dynamic Module Page Fail After On-Demand Loading Succeeds?
• How Can I Quickly Debug the On-Demand Feature Distribution Function in My App When It Has Not Been Released on AppGallery?
• Why Is the Scene Value Obtained Through the Ecosystem Query Service Empty?
• Why Does the Update on AppGallery Feature Throw an Exception Indicating that the App Is Not Running in the Foreground?
• Can I Customize the Content in the App Update Pop-up Displayed to Users?
• Why Does an Identity Verification Error Occur When I Call the Attribution Source Registration API of the App Attribution Service?
• How Do I Obtain Logs of the App Attribution Service Through Filtering?
• How Do I Filter Logs Recording the Addition of App Shortcuts to the Home Screen?
• What Can I Do If Error Code 401 Is Returned When an App Shortcut Is Added to the Home Screen?
• Standard Conversion Events and App Attribution Signatures
• Supported Countries/Regions
• Scene Values
• Glossary
• About This Kit
• Making Preparations
• Enabling App Linking
• Starting an App Using the App Link Capability of App Linking
• Redirecting to an App Download Page Through Direct Access to AppGallery
• Redirecting to an App Details Page Using the Deferred Link Capability
• Redirecting to an App in a Specified Way Using the Cross-Platform Link Capability
• Glossary
• About This Kit
• Calendar Management
• Event Management
• Registering and Managing One-Tap Services for Calendar Events
• Calendar Service Best Practices
• About This Kit
• Preparations
• Incoming Call
• Outgoing Call
• Displaying Enterprise Contact Information on the Incoming or Outgoing Call Screen
• Displaying Enterprise Service Information on the Incoming or Outgoing Call Screen
• Redirecting to the Unknown Number and Information Identification Page
• Why Is the Notification Banner Not Displayed?
• Why Is the Profile Picture Not Displayed in the Notification Banner?
• About This Kit
• Making Preparations
• Enabling Cloud Functions
• Enabling Cloud DB
• Enabling Cloud Storage
• Node.js
• Creating a Function
• Testing a Function
• Calling a Function
• Adding an Object Type
• Adding a Cloud DB Zone
• Importing an Object Type File
• Initializing Database Access
• Querying Data
• Writing Data
• Deleting Data
• Setting Configuration Items of Cloud Storage
• Initializing the Global App Context
• Initializing a Storage Instance
• Uploading a Specified File to the Cloud
• Downloading a File from the Cloud to a Local Path
• Obtaining the Download URL of a Cloud File
• Deleting a Cloud File
• Obtaining the Cloud File List
• Obtaining Metadata of a Cloud File
• Setting Metadata of a Cloud File
• Debugging on the Emulator
• Why Is "404:Product does not exist" Displayed When a File Fails to Be Uploaded Using Cloud Storage?
• Why Does the App Log Display ""state":65" and the Upload Process Log Display "403 Forbidden" When a File Fails to Be Uploaded Using Cloud Storage?
• What Can I Do If an API of Cloud Storage Fails to Be Called, the App Log Displays ""state":65", and the Upload Process Log Displays "404 Not Found"?
• Glossary
• Personal Data Processing Information
• Supported Countries/Regions
• About This Kit
• Using the Picker for Contact Management
• About This Kit
• Preparations
• File Exfiltration Control
• Workspace Management
• Workspace Configuration
• Subscribing to Workspace Events
• Process Access Restriction
• Deep Freeze Policy
• Enterprise Account Authentication
• Cross-Workspace Message Notification
• FAQs
• Glossary
• About This Kit
• Moving a File to the Recycle Bin
• Obtaining a File Icon
• Parsing a File Shortcut
• Glossary
• About This Kit
• Listening for Device Online/Offline Events (C/C++)
• Listening for Gamepad Axis and Button Events (C/C++)
• Glossary
• About This Kit
• Overview
• Overview
• (Mandatory) Sign-In with a HUAWEI ID
• Sign-In with an Official Game Account
• Standalone Game Sign-In
• Pre-release Check
• Overview
• Preparations
• (Mandatory) Mini Game Sign-In
• Payment in Mini Games
• Glossary
• Overview
• Preparations
• Development Procedure (ArkTS)
• Development Procedure (C/C++)
• Glossary
• Overview
• Preparations
• Transferring Resource Packages
• Transferring Installation Packages
• Glossary
• Personal Data Processing Information
• Can I Skip App ID Mapping If My Game Does Not Have a Package for HarmonyOS 4 and Earlier?
• What Is the Size Limit for Official Game Account Icons?
• How Do I Hide the Official Account Sign-In Option on the Game Sign-In Screen?
• What Should a Player Do If They Choose an Incorrect Sign-In Account?
• Can I Integrate Game Scene Perception into Games Developed Through C# Programming?
• Configuring a Callback Address
• Obtaining the Game Key
• About This Kit
• Integration Process
• Qualification Requirements for Developers
• Open Data Overview
• Applying for Health Service Kit
• Configuring the Client ID
• Launching HUAWEI Health for Users to Agree to the Privacy Statement
• Managing User Authorization
• Managing Data Sources
• Health and Fitness Sample Data
• Workout Records
• Health Records
• Real-Time Activity Rings Data
• Manually Synchronizing Data
• Managing User Authorization
• Reading Health and Fitness Sample Data
• Reading Workout Records
• Reading Health Records
• Real-Time Activity Rings Data
• Managing User Authorization
• Managing Workout Linkage
• Overview
• Permission Description
• Daily Activities
• Heart Rate
• SpO2
• Stress
• Body Temperature
• Blood Pressure
• Weight
• Height
• Emotion
• Heart Rate Variability
• Overview
• Running
• Walking
• Cycling
• Jump Rope
• Expedition
• Basketball
• Skiing
• Apnea Testing in Diving
• Apnea Training in Diving
• Diving
• Elliptical Machine
• Golf
• Mountain Hiking
• Swimming
• Rowing Machine
• Others
• Sleep
• Menstrual Cycle
• Applying for Formal Scopes
• FAQs About Health Service Kit
• Glossary
• Personal Data Processing Information
• Specifications for Using Logos
• About This Kit
• Requirements and Restrictions on IAP Kit Integration
• (Optional) Using the IAP Kit Integration Skill
• Getting Started
• Enabling Merchant Service
• Creating a Project and App
• Enabling and Activating IAP Kit
• (Optional) Requesting the Embedded Checkout Open Capability
• (Optional) Setting Necessary Parameters
• Configuring Products
• Configuring Signing Information
• Configuring App Identity Information
• Implementing the Purchase Process
• Delivering a Consumable/Non-consumable Product
• Understanding Auto-renewable Subscriptions
• Implementing the Purchase Process
• Delivering an Auto-renewable Subscription Product
• Implementing the Purchase Process
• Delivering a Non-renewable Subscription Product
• Sandbox Testing
• Benefit Analysis and Reports
• Refunding
• Issuing an Invoice
• Can I Set Multiple Addresses for Receiving Key Events in AppGallery Connect?
• What Is the Maximum Length of the IAP Public Key Obtained in AppGallery Connect? Is There a Recommended Length?
• I Try Adding a Product on the Product Management Page in AppGallery Connect, and See a Default Price When Setting My Product Price. What's the Default Price Used for?
• If the Price of an In-App Product in a Country/Region Is Changed in AppGallery Connect, Will the Price Be Affected When the Exchange Rate Changes Later?
• Has AppGallery Connect Made Any Numerical Adjustments to the Price Display on the Product Management Page? For Example, Has It Adjusted the Second Decimal Place to 6 or 9?
• Is the SHA-256 Certificate Mandatory for Signature Verification?
• Can Signature Verification Be Performed Entirely on the Server Side?
• Can the ID of a Deleted Product Be Used Again for a New Product?
• What Certificates Are Supported by the Huawei IAP Server?
• What Cipher Suites Are Supported by the Huawei IAP Server?
• How Do I Fix the Error of an Incomplete Certificate Chain?
• When an App Calls createPurchase to Launch the IAP Kit's Checkout Screen from a Child Window, the Child Window Will Be Hidden. Is This Normal?
• Why Am I Asked for Real Payment When Testing in the Sandbox Environment?
• Can I Use the Same API Key for a HarmonyOS Atomic Service and a HarmonyOS App?
• What Are the Maximum Lengths of purchaseToken and purchaseOrderId?
• What Are subGroupId (Subscription Group ID), subGroupGenerationId (Subscription Group Generation ID), and subscriptionId (Subscription ID)?
• How to Handle and Use developerPayload?
• How to Troubleshoot JWT Signature Verification Failures After App Migration?
• How to Calculate the Validity Period for New Subscriptions upon Immediate Switch of Auto-Renewable Subscriptions?
• Glossary
• Global Coverage of IAP Kit
• About This Kit
• Live View Design Specifications
• Basic Preparations
• Enabling Push Kit
• Setting the Data Processing Location
• Enabling Live View Kit
• Performing Debugging
• Applying for the Formal Permission on Live View Kit
• Precautions
• Creating a Local Live View
• Updating a Live View Through Push Kit
• Frequency Control for Live View Updates
• Third-Party Development Framework Access
• Live View Lifecycle
• Live View Template Use
• Restrictions on the Number of Live Views
• Glossary
• Introduction to Location Kit
• Applying for Location Permissions
• Obtaining Device Location Information (ArkTS)
• Obtaining Device Location Information (C/C++)
• Geocoding and Reverse Geocoding
• Geofence Development
• Introduction to Geofencing
• On-Device GNSS Geofence Development
• Personal Data Processing Statement
• Samples
• Appendix
• About This Kit
• Preparations
• Displaying a Map
• Changing the Map Type
• Showing My Location
• Displaying a Custom Map
• Control Interaction
• Gesture Interaction
• Event Interaction
• Map Location Change
• Map Screenshot
• Marker
• MapPolyline
• Signal Line
• MapArc
• MapPolygon
• MapCircle
• PointAnnotation
• Bubble
• ClusterOverlay
• ImageOverlay
• BuildingOverlay
• TraceOverlay
• Setting the Layering Order of Map Elements
• TileOverlay
• Heatmap
• MvtOverlay
• FlowFieldOverlay
• MassPointOverlay
• POI Search
• Geocoding
• Travel Route Planning
• Batch Route Computation
• Trajectory-based Road Snapping
• Static Map
• Place Details Display
• Location Selection
• Administrative Division Selection
• Navigation and Other Capabilities Provided by the Map App
• Offline Map
• Coordinate Rectification
• Distance Calculation
• Map Not Displayed
• How to Obtain siteId?
• Gestures Freeze or Do Not Work
• Configuring the Persistent Display of the Map Logo
• Effective Scope of Scenario-based Controls' language Parameter
• Personal Data Processing Information
• Preparations Before Release - Obtaining the Map Service Agreement and Qualification Certificate
• Map Data Copyright Statement
• Supported Languages
• Supported Countries/Regions
• Glossary
• About This Kit
• Requesting Notification Authorization
• Managing the Notification Badge
• Managing Notification Slots
• Publishing a Text Notification
• Publishing a Progress Notification
• Adding a Custom Ringtone to a Notification
• Adding a WantAgent Object to a Notification
• Updating a Notification
• Canceling a Notification
• Cross-Device Notification Overview
• Clearing Repeated Notifications Across Devices
• Introduction to NotificationSubscriberExtensionAbility
• Developing the ExtensionAbility for Notification Subscription
• Glossary
• Applying for Priority Notification Entitlement
• Developing a Shortcut to In-App Notification Settings
• About This Kit
• Integration Specifications
• Skill Integration Description
• Checkout Screen Design Specifications
• Registering a Merchant and Obtaining the Merchant ID
• (Optional) Configuration in Specific Scenarios
• Enabling Payment Kit
• Binding a Merchant ID to an App ID
• Preparing the Certificates
• On-Device App Configuration
• Cloud Service Preparation
• (Optional) Preparing for e-CNY Payment Integration
• (Optional) Preparing for Integrating the User Identity Verification Service
• Basic Payment Scenario
• Combined Payment for Platform Merchants
• PIN-free Payment Description
• Payment with Contract Signing Scenario
• Contracted Auto-Debit Scenario
• e-CNY Payment Scenario
• Service Rule Description
• Mixed Payment Scenario
• External Payment Scenario
• Based on URL Redirection
• Based on the API
• Third-Party Payment Troubleshooting
• Scenario of Guiding Users to Bind Cards
• Real-Name Information Verification/Authorization Scenario
• Face-based Identity Verification Scenario
• Viewing Call Records of the Identity Verification Service
• Sandbox Environment Verification
• Merchant Coupon Scenario
• Coupon Claiming Scenario
• Coupon Selection Scenario
• Glossary
• Service and Support
• In Which Scenarios Are Request Parameter Signing and Result Signature Verification Used During Integration Development?
• How Can I Obtain the Public/Private Key Pair for Signing of Payment Kit?
• Who Is the bodySign of a GET Request Signed For?
• What Should I Do If the Checkout Screen Does Not Respond or An Error Is Reported?
• Why Is No Callback Received After Successful Payment?
• Will Multiple Signed Contracts Be Generated If a User Signs a Contract Repeatedly?
• Where Can the PIN-free Payment Contract Signed in Huawei Pay Be Terminated?
• Why Is SHA256 Used for Signature Verification of the Pre-Ordering Request, But SM2 Is Used for Signature Verification of the Payment Callback? Can Only SM2 Be Used for Signature Verification?
• What Should I Do If an Error Indicating Invalid Signature Is Reported in the API Response?
• What Should I Do If the Checkout Screen Displays an Error Message Indicating Service Unavailability and Asking Me to Try Again Later?
• What Should I Do If an Error Indicating Abnormal Transaction Order Status Is Reported for the Pre-ordering Request?
• Can prepayId Be Queried Through an API If the Payment Is Made in a Period of Time After Pre-ordering?
• Can the callbackUrl Parameter in Some APIs that Provide Notification Callback Be Customized? Can a Merchant Customize the Callback Notification Packet?
• What Can I Do If Multiple Callback Notifications Are Received for the Same Payment Request?
• Does the Callback Notification API Provided by the Merchant Need to Be Added to the Network Trustlist in the Payment Kit Production Environment? How Do I Verify That the Provided Callback URL Can Be Properly Accessed by the Payment Kit Server?
• Why Does the Payment Callback Contain the Marketing Information When the Merchant Does Not Pass the Marketing Information?
• Can the Same Merchant ID, Certificate, Key, and Other Input Parameters Except for appId Be Used for the App and Atomic Service APIs?
• Is There an Environment for Jointly Debugging the Access of Registered Merchants?
• What Is the Relationship Between callerId in the Request Header PayMercAuth and mercNo or combineMercNo in the Request Body?
• Will the Signature Be Verified for API Request If the bodySign Field in the Request Header PayMercAuth Is Empty? Or, Will the Field Be Verified First?
• Why Is 000000 Returned and Refund Amount Not Received When a Refund Request Is Initiated Repeatedly with the Same Merchant Order ID?
• In Addition to the Refund API in the Integration Guide, Is There Any Financial Platform Available for Refund Operations in Payment Kit? Can Refund Be Requested on Such a Platform?
• What Format Should Be Used to Parse the Date After a Bill File Is Downloaded?
• What Should I Do If an Error Is Reported During Checkout, Indicating App Information Verification Failure and Asking Me to Contact the Merchant?
• Why Is an Entity Inconsistency Message Displayed When a Merchant ID Is Bound to an App ID?
• How Can I Contact the Operating Organization or Handling Service Organization to Obtain the Development Guide?
• What Should I Do If I Cannot Find the Payment Kit (Non-Virtual) Menu or the App ID Association Authorization Screen?
• About This Kit
• Opening and Saving a PDF Document
• Adding and Deleting PDF Pages
• Text, Images, and Annotations on PDF Pages
• Converting a Specified Page or Area to an Image
• Converting a PDF Document to Images
• Checking Whether the PDF Document Is Encrypted and Removing the Security Lock
• Adding and Deleting Bookmarks
• Adding and Deleting Headers and Footers
• Adding and Deleting Watermarks
• Adding and Deleting Backgrounds
• Previewing a PDF Document
• Opening and Saving a PDF Document
• Setting the PDF Document Preview Effects
• Searching for Keywords
• Highlighting a PDF Document
• Annotations
• Converting a PDF Thumbnail into an Image
• Optimizing the PDF Document Switching Experience
• Can I remove the header, footer, watermark, and background from a specific page using PDF Kit?
• Can I Preview PDF Documents Online?
• About This Kit
• File Preview
• File Open Boost (C/C++)
• File Open Boost Status Awareness (Deprecated)
• File Cache Boost (C/C++)
• Failed to Open a File Preview via the openPreview API
• Preview Fails When the URI Obtained by DocumentViewPicker Is Opened Through the openPreview API
• Glossary
• About This Kit
• Getting Started
• Integration Specifications
• Enabling Push Kit
• Applying for Scenario-Specific Message Permissions
• Obtaining a Push Token
• Sending a Notification Message
• Recalling a Notification Message
• Pushing a Badge Update Message
• Pushing a Widget Update Message
• Sending a Text-to-Speech Message
• Recalling a Text-to-Speech Message
• Pushing a Background Message
• Pushing a Live View Message
• Pushing an In-App Call Message
• Overview
• Generating a JWT Based on a Service Account
• Pushing Scenario-Specific Messages
• (Optional) Developing the Message Receipt
• (Optional) Viewing the Push Report
• (Optional) Analyzing Test Messages
• Obtaining an AAID
• How Do I Handle Problems When Pushing Messages?
• Why Does the Target Device Fail to Receive a Push Message After the Push API Is Successfully Called on the Cloud?
• Incorrect Classification or Categorization
• Push Message Upper Limit Reached
• Message Frequency Control Problems
• In-App Call Message Service Error Upon First Screen Lock After the Device Is Restarted
• Incoming Call Banner Error of an In-App Call Message
• Request URL Version Problem in a Scenario-Specific Message
• How Does My App Client Receive and Display Messages While Running in the Background?
• What Types of Scenario-Specific Messages Should I Choose If I Want to Implement Instant Messaging?
• Pricing of the Kit
• How Can I Replace the Certificate of My Message Receipt Server?
• Personal Data Processing Information
• Glossary
• Notification Content Management Rules
• Push Notification Violation Penalty Criteria
• Supported Countries/Regions
• About This Kit
• Obtaining Book Information
• Obtaining the Catalog Item List
• Building a Reader
• Customizing the Font
• Customizing the Page Background
• Changing the Page-Turning Mode, Font Size, and Line Height
• Adapting the Dark and Light Modes
• Listening to Text Scaling Factor Value Changes
• Manually Triggering Page Turning
• Notifying the Reading Progress
• About This Kit
• Development Preparations
• Mobile Number Quick Verification Button
• Avatar Selection Button
• App Launch Button
• Shipping Address Selection Button
• Invoice Title Selection Button
• Map Location Selection Button
• Permission Settings Button
• Mobile Number and Risk Level Retrieval Button
• Province/City/District Selector Input Component
• Obtaining System Information Attributes by API Calls
• Obtaining System Information Attributes by API Calls in Asynchronous Mode
• Obtaining System Setting Attributes by API Calls
• Displaying the Follow Component by API Calls
• File Path Conversion API
• Introduction to SmartFill
• Typical Scenarios
• Changing the Value of ContentType Dynamically
• Auto-filling Address Information in a Form
• License Plate Number Filling Suggestion
• Data Sources and Logic of Suggestions
• ContentType Use Scenarios
• Supporting SmartFill for HTML5
• Supporting SmartFill for HTML5 Within React Native
• Supporting SmartFill for HTML5 Within Flutter
• Supporting SmartFill for HTML5 Within Taro
• Supporting SmartFill for HTML5 Within Weex
• Supporting SmartFill for HTML5 Within mPaas
• Mapping Between HTML5/Third-Party Framework Configuration Items and HarmonyOS Configuration Items
• Glossary
• Page Cannot Be Opened When the Quick Mobile Number Verification Button Is Tapped
• Failure to Launch a Third-Party App
• SmartFill Selection Box Blocked by the Clipboard Paste Box
• Personal Data Processing Information
• Supported Country/Region
• About This Kit
• Configuring Signing Information
• Requesting a Restricted ACL Permission
• Overview
• Requesting User Authorization
• Revoking User Authorization
• Triggering Callbacks When the App Authorization Switch Is Toggled On or Off on the Authorization List Page of Digital Balance
• Overview
• Starting the App Selection Page
• Launching the Permitted App Redirect Page
• Overview
• Adding a Strategy
• Updating a Strategy
• Queries Strategy Configuration Data
• Starting a Strategy
• Stopping a Strategy
• Querying Strategy Execution Data
• Deleting a Strategy
• Overview
• Setting App Access Restrictions
• Removing App Access Restrictions
• Redirecting from the Intercept Page to the Screen Time Guard App
• Glossary
• About This Kit
• Share Kit Terms
• Precise UTD Type Required for the Host App to Initiate Content Sharing
• One-Step Access to Received Data on the Target Device
• Overview
• Integration Modes for Host Apps
• Initiating Content Sharing Through the Sharing Panel
• Configuring the Target App List (Available Only to Enterprise Apps)
• Customizing the Operation Area
• Obtaining the Sharing Result
• Processing the Shared Content Inside a Target App
• Processing the Shared Content on the Sharing Details Page
• Closing the Sharing Panel from the Sharing Details Page
• Checking Whether an App Is Started by System Share
• Sharing Contact Information to the Recommendation Area
• Target App Design Specifications
• Sharing Links
• Sharing Images
• Sharing Videos
• Sharing Text
• Overview
• Sharing Content
• Inviting a User to Join a Team
• Overview
• Sharing Content to a Specified In-app Page
• Sharing Content Between a Phone and a PC/2-in-1 Device or Tablet
• Overview
• Enabling Grab & Drop on a Device
• Transfer Between Trusted Devices
• Sharing a Link of App Linking to Go to a Specified In-app Page
• Failed to Start the System Sharing Panel
• Unsupported Shared Data Type
• Message "The file you selected cannot be shared." Displayed During Sharing
• About This Kit
• Applying for Wallet Kit
• Overview
• Preparations on the HUAWEI Wallet Server
• Enabling a Car Key
• Controlling a Car
• Overview
• Preparations on Your Server
• Activating a Transportation Card
• Topping Up a Transportation Card
• Updating a Transportation Card
• Deleting a Transportation Card
• Do I Have to Integrate Account Kit into My App in Order to Use Wallet Kit?
• What Will Happen If a User Attempts to Add a Pass to HUAWEI Wallet Without Signing in Using a HUAWEI ID?
• Which Is the Most Commonly Used Access Method?
• What Operations Are Performed by My Server When a Pass Is Added?
• How Can I View an Added Pass?
• Why Is Only One Pass Displayed in HUAWEI Wallet After a User Claims Multiple Passes from the Same Merchant?
• Which Information Will Be Deleted When a User Deletes a Pass?
• About This Kit
• Getting Started
• Obtaining Weather Data
• How to Obtain the Weather Data of a Specified City
• Do Weather Service Kit APIs Support the Positioning Function
• No Data Returned After Minute-Level Precipitation Forecast/Weather Alert/Tide Data Is Requested
• Personal Data Processing Information
• About This Kit
• Starting an Agent Through a Function Component
• Implementing A2A Protocol Communication via AgentAbilityExtension
• Glossary
• About This Kit
• Preparations
• Model Zoo
• Overview
• Non-Training Quantization
• Plugin-based Quantization
• One-Stop Quantization for LLMs
• Plugin-based Quantization
• LoRA Fine-Tuning on a Quantized Base Model
• NAS Training
• Model Size Reduction Example
• FAQs
• Model Benefits
• Preparing for Model Conversion
• Model Conversion Example
• OMG Parameters
• Overview
• AIPP Parameters
• AIPP Configuration File Used for Model Conversion
• Variable data_type
• Deployment Process
• Model Inference
• AIPP Deployment
• Heterogeneity
• Maintenance, Testing, and Optimization
• Zero Memory Copy
• In-Depth Fusion
• Creating a Project
• Configuring NAPI for Your Project
• Model Integration
• Single-Operator Application
• Introduction to Ascend C
• Environment Setup
• Quick Start
• Basic Architecture
• Compute Units
• Storage Unit
• Control Units
• SPMD Model
• Kernel Function
• Hardware Architecture Abstraction
• Programming Paradigm
• API Overview
• Basic APIs
• High-Level APIs
• Overview of Operator Implementation
• Vector Programming
• Basic Knowledge
• Matrix Programming Operator Implementation
• Overview of Project-based Operator Development
• Creating an Operator Project
• Operator Prototype Definition and Implementation
• Operator Implementation on the Kernel
• Tiling Implementation on the Host
• Operator Project Build
• Installing the Operator Package
• Operator Debugging Overview
• Preparing Input Data and Golden Data
• Obtaining the Operator JSON Configuration Template
• Configuring the Operator JSON File with Fixed Input/Output Order
• Configuring the Operator JSON File with Normalized params
• Tiling Debugging
• CPU Twin Debugging
• Simulator
• printf/PRINTF
• DumpTensor
• DumpAccChkPoint
• Assert
• GDB Debugging
• Overview of Operator Graph Integration
• Development Process
• Graph Build and Execution
• Overview of AI Framework Operator Adaptation
• ONNX Framework
• Basic Tensor Concepts
• Data Layout Formats
• How to Use Double Buffer to Optimize Performance
• How to Allocate Workspace as Temporary Memory
• How to Update a Project to the Latest Version
• Parameter Description for the Operator Project Creation Tool
• Data Generation Script Adaptation Example
• Examples of the Operator JSON Configuration File
• Example of the Accuracy Comparison Result
• In-Place Operator Debugging Example
• Parameter Description for the ascendebug Debugging Tool
• Operator Development FAQs
• Ascend C API List
• General Restrictions
• LocalTensor
• GlobalTensor
• ShapeInfo
• UnaryRepeatParams
• BinaryRepeatParams
• ScalarGetCountOfValue
• ScalarCountLeadingZero
• ScalarCast
• CountBitsCntSameAsSignBit
• ScalarGetSFFValue
• Exp
• Ln
• Abs
• Reciprocal
• Sqrt
• Rsqrt
• Not
• Relu
• More Examples
• Add
• Sub
• Mul
• Div
• Max
• Min
• And
• Or
• More Examples
• Adds
• Muls
• Maxs
• Mins
• ShiftLeft
• ShiftRight
• LeakyRelu
• More Examples
• Axpy
• More Examples
• Precision Conversion Instructions
• Transpose
• TransDataTo5HD
• Duplicate
• CreateVecIndex
• Data Distribution and Collection
• Common Data Movement
• Real-Time Format Conversion
• DataCopyPad
• Constructor
• InitBuffer
• Init
• Destroy
• Reset
• AllocEventID
• ReleaseEventID
• FetchEventID
• GetBaseAddr
• InitBufPool
• GetTPipePtr
• Overview
• Constructor
• InitBufPool
• InitBuffer
• Reset
• Overview
• AllocTensor
• FreeTensor
• EnQue
• DeQue
• VacantInQue
• HasTensorInQue
• GetTensorCountInQue
• HasIdleBuffer
• FreeAllEvent
• Overview
• Constructor
• AllocTensor
• FreeTensor
• EnQue
• DeQue
• VacantInQue
• HasTensorInQue
• GetTensorCountInQue
• HasIdleBuffer
• FreeAllEvent
• Overview
• Constructor
• Get
• GetWithOffset
• GetSysWorkSpacePtr
• SetSysWorkSpace
• GetUserWorkspace
• PipeBarrier(ISASI)
• TPosition
• GetBlockNum
• GetBlockIdx
• DumpTensor
• printf
• assert
• DumpAccChkPoint
• Trap
• GET_TILING_DATA
• GET_TILING_DATA_WITH_STRUCT
• TILING_KEY_IS
• Usage Description
• Matmul Template Parameters
• MatmulConfig
• Init
• SetTensorA
• SetTensorB
• Iterate
• GetTensorC
• IterateAll
• End
• Usage Description
• Constructor
• TCubeTiling Structure
• Tanh
• SoftmaxFlashV2
• Sigmoid
• Data Filling
• Prototype Registration API (OP_ADD)
• Input
• Output
• Attr
• SetInferShape
• SetInferDataType
• AICore
• ParamType
• DataType
• Format
• ValueDepend
• Follow
• OpAttrDef
• SetTiling
• AddConfig
• TilingData Structure Definition
• TilingData Structure Registration
• Overview
• GetCoreNum
• GetSocVersion
• GetCoreNumAic
• GetCoreNumAiv
• CalcTschBlockDim
• GetCoreMemSize
• GetCoreMemBw
• GetLibApiWorkSpaceSize
• Internal Associated APIs
• GmAlloc
• GmFree
• ICPU_RUN_KF
• ICPU_SET_TILING_KEY
• Basic Data Structures and API List
• Overview
• Constructor
• GetInstanceNum
• GetInstanceStart
• SetInstanceStart
• SetInstantiationNum
• Constructor
• GetDataType
• GetFormat
• GetOriginFormat
• GetStorageFormat
• GetExpandDimsType
• SetDataType
• SetStorageFormat
• SetOriginFormat
• SetExpandDimsType
• Overview
• Constructor
• GetNodeType
• GetNodeName
• GetIrInputsNum
• GetInputsNum
• GetOutputsNum
• GetIrOutputsNum
• GetInputInstanceInfo
• GetOutputInstanceInfo
• GetInputTdInfo
• GetOutputTdInfo
• GetAttrs
• MutableInputInstanceInfo
• MutableOutputInstanceInfo
• MutableInputTdInfo
• MutableOutputTdInfo
• MutableAttrs
• SetNodeType
• SetNodeName
• Init
• CalcSize
• Overview
• Init
• Add
• Get
• GetSize
• GetOverHeadLength
• Overview
• Create
• Init
• GetSize
• SetSize
• GetCapacity
• GetData
• MutableData
• Overview
• Constructor
• operator==
• GetFullSize
• SetExpandIndex
• IsExpandIndex
• Expand (Outputting a New Shape)
• Expand (Changing the Original Shape)
• GetInputDesc
• GetOutputDesc
• GetOptionalInputDesc
• GetDynamicInputDesc
• GetRequiredInputDesc
• GetIrInputInstanceInfo
• GetIrOutputInstanceInfo
• GetComputeNodeInputNum
• GetComputeNodeOutputNum
• GetAttrs
• GetNodeType
• GetNodeName
• GetComputeNodeInfo
• GetKernelName
• GetKernelType
• GetExtendInfo
• GetInputDataType
• GetOptionalInputDataType
• GetRequiredInputDataType
• GetOutputDataType
• SetOutputDataType
• GetInputShape
• GetInputTensor
• GetOptionalInputShape
• GetRequiredInputTensor
• GetRequiredInputShape
• GetOutputShape
• GetInputShapeRange
• GetInputTensorRange
• GetOptionalInputTensorRange
• GetDynamicInputTensorRange
• GetOptionalInputShapeRange
• GetDynamicInputShapeRange
• GetRequiredInputShapeRange
• GetRequiredInputTensorRange
• GetOutputShapeRange
• Constructor and Destructor
• InferShape
• InferShapeRange
• InferDataType
• Tiling
• PrivateAttr
• TilingParse
• InputsDataDependency
• InferOutDataTypeSameWithFirstInput
• GenSimplifiedKey
• OpExecuteFunc
• TilingInputsDataDependency
• HostInputs
• OutputShapeDependOnCompute
• Overview
• Constructor
• operator==
• SetMin
• SetMax
• GetMin
• GetMax
• Constructor
• GetAttrPointer
• GetInt
• GetListInt
• GetListListInt
• GetStr
• GetTensor
• GetFloat
• GetBool
• GetListFloat
• GetListListFloat
• GetAttrNum
• Overview
• Constructor
• operator==
• operator!=
• operator[]
• IsScalar
• SetScalar
• GetDimNum
• SetDimNum
• GetDim
• SetDim
• AppendDim
• Constructor
• GetOriginFormat
• SetOriginFormat
• GetStorageFormat
• SetStorageFormat
• GetExpandDimsType
• SetExpandDimsType
• MutableExpandDimsType
• operator==
• operator!=
• Overview
• Constructor
• GetOriginShape
• GetStorageShape
• MutableOriginShape
• MutableStorageShape
• operator==
• operator!=
• Constructor and Destructor
• operator
• GetAddr
• GetSize
• SetSize
• GetPlacement
• SetPlacement
• Free
• SetAddr
• IsSharedWith
• ShareFrom
• TensorPlacementUtils
• Constructor
• GetShapeSize
• GetData
• SetData
• GetAddr
• GetSize
• SetSize
• GetDataType
• SetDataType
• CreateFollowing
• GetStorageShape
• MutableStorageShape
• GetOriginShape
• MutableOriginShape
• GetShape
• GetStorageFormat
• SetStorageFormat
• GetOriginFormat
• SetOriginFormat
• GetFormat
• MutableFormat
• GetExpandDimsType
• SetExpandDimsType
• GetPlacement
• SetPlacement
• GetTensorData
• MutableTensorData
• GetInputShape
• GetInputTensor
• GetOptionalInputTensor
• GetRequiredInputTensor
• GetOptionalInputShape
• GetRequiredInputShape
• GetOutputShape
• SetTilingKey
• GetTilingKey
• SetBlockDim
• GetBlockDim
• SetTilingCond
• GetTilingCond
• GetTilingData
• GetRawTilingData
• GetWorkspaceSizes
• GetWorkspaceNum
• GetPlatformInfo
• Constructor
• GetCapacity
• GetDataSize
• SetDataSize
• GetData
• Append
• CreateCap
• CalcTotalSize
• Init
• operator
• Overview
• MutableData
• GetData
• TensorPlacement
• Internal Associated APIs
• Constructor and Destructor
• Malloc
• Free
• MallocAdvise
• Constructor and Destructor
• GetString
• Relational Operator Overloading
• Find
• Hash
• GetLength
• Constructor and Destructor
• CreateFrom
• GetValue
• AutoMappingSubgraphIOIndexFuncRegister
• Constructor and Destructor
• GetAutoMappingSubgraphIOIndexFunc
• AddAutoMappingSubgraphIOIndexFunc
• Constructor and Destructor
• SetInputHandleShapesAndTypes
• SetOutputHandleShapesAndTypes
• GetInputHandleShapesAndTypes
• GetOutputHandleShapesAndTypes
• SetMarks
• GetMarks
• Create
• GetResourceContext
• SetResourceContext
• RegisterReliedOnResourceKey
• AddChangedResourceKey
• GetReliedOnResourceKeys
• GetChangedResourceKeys
• ClearChangedResourceKeys
• InferFormatFuncRegister
• InferShapeFuncRegister
• InferValueRangeFuncRegister
• ListTensorType
• Constructor and Destructor
• GetAddr
• GetSize
• SetSize
• Free
• AddCount
• SubCount
• GetCount
• OperatorCreatorRegister
• CreateOperator
• GetOpsTypeList
• IsExistOp
• Constructor and Destructor
• AddControlInput
• BreakConnect
• IsEmpty
• InferShapeAndType
• GetAttr
• GetAllAttrNamesAndTypes
• GetAllIrAttrNamesAndTypes
• GetDynamicInputNum
• GetDynamicInputDesc
• GetDynamicOutputNum
• GetDynamicOutputDesc
• GetDynamicSubgraph
• GetDynamicSubgraphBuilder
• GetInferenceContext
• GetInputConstData
• GetInputsSize
• GetInputDesc
• GetName
• GetSubgraph
• GetSubgraphBuilder
• GetSubgraphNamesCount
• GetSubgraphNames
• GetOpType
• GetOutputDesc
• GetOutputsSize
• SetAttr
• SetInput
• SetInferenceContext
• SetInputAttr
• SetOutputAttr
• GetInputAttr
• GetOutputAttr
• TryGetInputDesc
• UpdateInputDesc
• UpdateOutputDesc
• UpdateDynamicInputDesc
• UpdateDynamicOutputDesc
• VerifyAllAttr
• DynamicInputRegister
• DynamicInputRegisterByIndex
• DynamicOutputRegister
• SubgraphCountRegister
• SetSubgraphBuilder
• OpReceiver
• Overview
• Constructor and Destructor
• REGISTER_CUSTOM_OP
• FrameworkType
• OriginOpType
• ParseParamsFn
• ParseParamsByOperatorFn
• FusionParseParamsFn
• FusionParseParamsFn (Overload)
• ParseSubgraphPostFn
• ParseOpToGraphFn
• ImplyType
• DelInputWithCond
• DelInputWithOriginalType
• GetImplyType
• GetOmOptype
• GetOriginOpTypeSet
• GetFrameworkType
• GetParseParamFn
• GetParseParamByOperatorFn
• GetFusionParseParamFn
• GetFusionParseParamByOpFn
• GetParseSubgraphPostFn
• GetParseOpToGraphFn
• AutoMappingFn
• AutoMappingByOpFn
• AutoMappingFnDynamic
• AutoMappingByOpFnDynamic
• AutoMappingSubgraphIndex
• InputReorderVector
• Promote
• Constructor and Destructor
• SetShape
• GetShape
• SetType
• GetDataType
• Constructor and Destructor
• GetDim
• GetDims
• GetDimNum
• GetShapeSize
• SetDim
• TensorDescInfo
• Constructor and Destructor
• GetConstData
• GetDataType
• GetExpandDimsRule
• GetFormat
• GetName
• GetOriginFormat
• GetOriginShape
• GetPlacement
• GetRealDimCnt
• GetShape
• GetShapeRange
• GetSize
• SetConstData
• SetDataType
• SetExpandDimsRule
• SetFormat
• SetName
• SetOriginFormat
• SetOriginShape
• SetPlacement
• SetRealDimCnt
• SetSize
• SetShape
• SetShapeRange
• SetUnknownDimNumShape
• Update
• TensorType
• Constructor and Destructor
• Clone
• IsValid
• GetData
• GetDataType
• GetExpandDimsRule
• GetFormat
• GetOriginFormat
• GetOriginShapeDim
• GetOriginShapeDimNum
• GetPlacement
• GetSize
• GetShapeDimNum
• GetShapeDim
• GetTensorDesc
• SetData
• SetDataType
• SetExpandDimsRule
• SetFormat
• SetOriginFormat
• SetOriginShapeDim
• SetOriginShapeDimNum
• SetPlacement
• SetShapeDimNum
• SetShapeDim
• SetTensorDesc
• ResetData
• DataTypeToAscendString
• AscendStringToDataType
• FormatToAscendString
• AscendStringToFormat
• DataTypeToSerialString
• SerialStringToDataType
• FormatToSerialString
• SerialStringToFormat
• DataFormatToFormat
• GetDataTypeLength
• VerifyFuncRegister
• ConvertToAscendString
• ConvertToListAscendString
• GetC0Format
• GetC0Value
• GetFormatFromC0
• GetFormatFromSub
• GetFormatFromSubAndC0
• GetFormatName
• GetPrimaryFormat
• GetSizeByDataType
• GetSizeInBytes
• GetSubFormat
• HasC0Format
• HasSubFormat
• ge::graphStatus
• DataType
• Format
• BROADCAST_INFER
• COMMON_INFER_FUNC_REG
• DECLARE_ERRORNO
• ELMTWISE_INFER_SHAPEANDTYPE
• IMPLEMT_COMMON_INFERFUNC
• IMPLEMT_INFERFORMAT_FUNC
• IMPLEMT_INFERFUNC
• IMPLEMT_VERIFIER
• INFER_FORMAT_FUNC_REG
• INFER_FUNC_REG
• Prototype Definition (REG_OP)
• Prototype Definition Derivative APIs
• VERIFY_FUNC_REG
• Compatibility
• Mapping Between Ascend and Kirin AI Processors of the Same Generation
• Overview
• L2 Cache
• Data Type
• Atomic Operation
• Synchronization Control
• Matrix Computing
• Data Movement
• Resource management
• System Variables
• Kernel Tiling
• SuperKernel
• High-Level API Porting Guide
• Operator Compilation Porting Guide
• Overview
• Environment Setup
• Three-Stage Quantization Procedure
• Quantization Effect Evaluation
• Exporting the Original Model as a Friendly-Structure ONNX Model
• Converting an ONNX Model to a CANN Model
• How Can I Determine Whether a Model Can Run on Mobile Phones?
• What Are the Data Formats Supported by the Inference Function?
• What Should I Do if the Type of the Output Operator Is Incorrect for the OMG Offline Model?
• How can I determine which operators have better performance on CANN during model design?
• Glossary
• How to Obtain the Version
• Supported Operators
• Visualization Tool
• About This Kit
• Text-to-Speech
• Speech Recognition
• Personal Data Processing Information
• About This Kit
• OCR
• Face Detection
• Face Verification
• Subject Segmentation
• Multi-Object Detection
• Skeleton Detection
• Image Super Resolution
• Searching for Images by Text
• Personal Data Processing Information
• About This Kit
• Intents Kit Integration Process
• Overview
• Use Cases
• Integration Solution
• Testing Solution
• Overview
• Use Cases
• Integration Solution
• Testing Solution
• Overview
• Use Cases
• Integration Solution
• Overview
• Use Cases
• Overview
• Integration in Task Execution Scenarios via a Configuration File
• Solution Overview
• Integration via a Link-based Decorator
• Integration via a Page-based Decorator
• Integration via a Function-based Decorator
• Definition Rules for Custom Intents
• One-Step Access to Functions
• Overview
• Use Cases
• Function Search Solution
• Content Search Solution
• What Should I Do If the Error Message "Intent 'xxxxxx' is not included in domain 'xxxxxx'. Select an intent from the list of suggestions." Is Displayed for intentName?
• What Should I Do If the Error Message "Value should be one of: "intentName", "domain", "intentVersion", "srcEntry", "uiAbility", "serviceExtension", "uiExtension", "form"" Is Displayed for inputParams?
• What Should I Do If the App Launched by Celia Exits Unexpectedly When I Use the Intents Kit Debug Assistant Agent for Joint Debugging?
• Is There a Cloud-based Dynamic Slot Declaration Solution for the One-Step Function Access Scenario?
• Glossary
• Appendix A: How to Obtain the UID of a HUAWEI ID
• About This Kit
• Using MindSpore Lite for Model Conversion
• Using MindSpore Lite for Model Inference (C/C++)
• Using the MindSpore Lite Engine for On-Device Training (C/C++)
• Using MindSpore Lite for Image Classification (ArkTS)
• Using MindSpore Lite for Image Classification (C/C++)
• Using MindSpore Lite for Speech Recognition (C/C++)
• MindSpore Lite Kit Operator List
• MindSpore Lite Kit Glossary
• About This Kit
• Word Segmentation
• Entity Extraction
• About This Kit
• Connecting NNRt to an AI Inference Framework
• Neural Network Runtime Kit Glossary
• About This Kit
• TextReader
• AICaption
• About This Kit
• Face Liveness Detection
• Card Recognition
• Document Scanning
• AI Image Recognition
• Personal Data Processing Information
• Free Hopping Documentation Path Adjustment
• About This Kit
• Creating an NDK Project
• Overview
• Building an NDK Project with the DevEco Studio Template
• Building NDK Projects with Command-Line CMake
• Building an NDK Project with Prebuilt Libraries
• BiSheng Compiler
• Integrating a Third-Party Dynamic Link Library
• Overview
• C/C++ Library Mechanisms
• Using fdsan
• Node-API Overview
• Node-API Status Codes
• Node-API Data Types and APIs
• Node-API Development Specifications
• Node-API Development Process
• Using Node-API Extension APIs
• Working with Arrays Using Node-API
• Working with ArrayBuffer Using Node-API
• Working with BigInt Using Node-API
• Working with Buffer Using Node-API
• Creating Basic Data Types Using Node-API
• Working with Class Using Node-API
• Working with Cleanup Hooks Using Node-API
• Working with Date Using Node-API
• Error Handling Using Node-API
• Associating Data with a Running Environment to Tie Their Lifecycle Using Node-API
• Working with Functions Using Node-API
• Performing Lifecycle Management Using Node-API
• Working with Objects Using Node-API
• Working with Other Node-API Utilities
• Working with Primitives Using Node-API
• Implementing Asynchronous Operations Using Node-API
• Setting ArkTS Object Properties Using Node-API
• Working with String Using Node-API
• Customizing Asynchronous Operations Using Node-API
• Asynchronous Task Development Using Node-API
• Thread Safety Development Using Node-API
• Wrapping a Native Object in an ArkTS Object
• Wrapping a Native Object in a Sendable ArkTS Object
• Creating an ArkTS Runtime Environment Using Node-API
• Loading a Module in the Main Thread Using Node-API
• Running or Stopping an Event Loop in an Asynchronous Thread Using Node-API Extension APIs
• Loading a Module Using Node-API
• Passing a Task with the Specified Priority to an ArkTS Thread from an Asynchronous Thread Using Node-API
• Creating, Switching, and Destroying a Context in a Thread Using Node-API Extension APIs
• Creating a Strong Reference to an ArkTS Object Using Node-API Extension APIs
• Creating and Destroying a Critical Scope and Accessing String Content Using Node-API Extension APIs
• Analyzing Error Logs and Crashes Triggered by Using Node-API
• Calling an ArkTS Method with Return Value of a promise Using Node-API
• Creating a Sendable Strong Reference to an ArkTS Object Using Node-API Extension APIs
• Accelerating Property Access Using Extended Node-APIs
• FAQs
• FAQs About Stability
• FAQs About Memory Leaks
• FAQs About Basic Functionalities
• JSVM-API Overview
• JSVM-API Data Types and APIs
• JSVM-API Development Process
• JSVM-API Development Specifications
• JSVM-API FAQs
• Working with Tasks Using JSVM-API
• Working with VM Snapshots Using JSVM-API
• Working with Wasm Using JSVM-API
• Creating and Calling JS Functions Using JSVM-API
• Performing JSON Operations Using JSVM-API
• Working with Arrays Using JSVM-API
• Working with ArrayBuffer Using JSVM-API
• Creating an ArrayBuffer from External Memory Using JSVM-API
• Working with BigInt Using JSVM-API
• Working with Classes Using JSVM-API
• Working with Date Using JSVM-API
• Performing Debug Operations Using JSVM-API
• Working with Objects Using JSVM-API
• Working with Primitives Using JSVM-API
• Implementing Asynchronous Operations Using JSVM-API
• Setting JS Object Properties Using JSVM-API
• Creating and Obtaining String Values Using JSVM-API
• Obtaining the JSVM-API Version Using JSVM-API
• Error Handling Using JSVM-API
• Debugging and Profiling JS Code Using JSVM-API
• Performing Lifecycle Management Using JSVM-API
• Performing Memory Management Using JSVM-API
• Comparing JS Values Using JSVM-API
• Customizing Exception Handling Using JSVM-API
• Triggering GC Using JSVM-API
• Using JSVM-API to Obtain Heap Snapshots and Monitor Heap Memory Thresholds
• Setting the private Property Using JSVM-API
• Working with Latin1/UTF16 Strings Using JSVM-API
• Working with Proxies Using JSVM-API
• Working with Well-Known Symbols Using JSVM-API
• Working with Wrapper Objects Using JSVM-API
• Creating and Obtaining Values Using JSVM-API
• JSVM-API Debugging
• Working with Trace Using JSVM-API
• Requesting the JIT Profile for JSVM-API
• JSVM-API Secure Shield Mode
• Troubleshooting JSVM-API Memory Leaks
• Creating and Destroying JSVMs Using JSVM-API
• Accelerating Compilation Using a Code Cache
• JSVM Tuning Practices
• Using HiSmartPerf to Collect JSVM Trace
• Analyzing Web Page Memory Using DevTools
• Using Longque JS APIs
• OpenMP Overview
• Building and Running Applications Using OpenMP
• Raw File Development
• Native Bundle Development
• Using GN to Configure the HarmonyOS Build Toolchain
• Using CMake to Configure the HarmonyOS Build Toolchain
• Using Make to Configure the HarmonyOS Build Toolchain
• Using the Configure Tool to Configure the HarmonyOS Build Toolchain
• Quickly Building Third-Party Libraries Using the Lycium Cross-Compilation Framework
• Passing Complex Parameters Across Languages
• Implementing Communication Between Native Child Threads and the UI Main Thread
• Overview
• C/C++ Memory Error Detection
• LLDB Debugger
• Overview
• HarmonyOS ABIs
• CPU Features
• Using Neon Instructions
• Development Description
• SystemCapability
• Universal Error Codes
• @ohos.app.ability.Ability (Ability Base Class)
• @ohos.app.ability.AbilityConstant (Ability-related Constants)
• @ohos.app.ability.abilityLifecycleCallback (UIAbility Lifecycle Callback Listener)
• @ohos.app.ability.AbilityStage (AbilityStage Component Manager)
• @ohos.app.ability.ActionExtensionAbility (ExtensionAbility for Custom Actions)
• @ohos.app.ability.AgentUIExtensionAbility (UI-Enabled Agent Extension Component)
• @ohos.app.ability.application (Application Utility Class)
• @ohos.app.ability.ApplicationStateChangeCallback (Application Process State Change Listener)
• @ohos.app.ability.appMemoryOptimizer (Application Memory Optimizer)
• @ohos.app.ability.AppServiceExtensionAbility (ExtensionAbility for Application Background Services)
• @ohos.app.ability.AtomicServiceOptions (Optional Parameters of openAtomicService)
• @ohos.app.ability.autoFillManager (Auto-Fill Framework)
• @ohos.app.ability.ChildProcess (Child Process Base Class)
• @ohos.app.ability.childProcessManager (Child Process Management)
• @ohos.app.ability.ChildProcessArgs (Child Process Arguments)
• @ohos.app.ability.ChildProcessOptions (Child Process Startup Options)
• @ohos.app.ability.common (Ability Common Module)
• @ohos.app.ability.CompletionHandler (Application Launch Result Handler)
• @ohos.app.ability.CompletionHandlerForAtomicService (Atomic Service Launch Result Handler)
• @ohos.app.ability.CompletionHandlerForAbilityStartCallback (Application Launch Result Callback Handler)
• @ohos.app.ability.contextConstant (Context-related Constants)
• @ohos.app.ability.EmbeddableUIAbility (Embeddable UIAbility)
• @ohos.app.ability.EmbeddedUIExtensionAbility (ExtensionAbility for Cross-Process UI Embedding)
• @ohos.app.ability.EnvironmentCallback (System Environment Change Listener)
• @ohos.app.ability.ExtensionAbility (ExtensionAbility Base Class)
• @ohos.app.ability.insightIntent (Basic Definitions of InsightIntent Framework)
• @ohos.app.ability.InsightIntentContext (Intent Execution Context)
• @ohos.app.ability.InsightIntentDecorator (Intent Decorator)
• @ohos.app.ability.InsightIntentEntryExecutor (Base Class for @InsightIntentEntry Intent Execution)
• @ohos.app.ability.InsightIntentExecutor (Base Class for Intent Execution)
• @ohos.app.ability.insightIntentProvider (Intent Provider Management)
• @ohos.app.ability.PhotoEditorExtensionAbility (ExtensionAbility for Image Editing)
• @ohos.app.ability.OpenLinkOptions (Optional Parameters of openLink)
• @ohos.app.ability.ShareExtensionAbility (ExtensionAbility for Share Detail Page Integration)
• @ohos.app.ability.StartOptions (Optional Parameters of startAbility)
• @ohos.app.ability.systemConfiguration
• @ohos.app.ability.UIAbility (Ability with UI)
• @ohos.app.ability.UIExtensionAbility (ExtensionAbility with UI)
• @ohos.app.ability.UIExtensionContentSession (UIExtensionAbility UI Operation Class)
• @ohos.app.ability.sendableContextManager (Sendable Context Management)
• @ohos.app.ability.scriptManager (Script Management)
• @ohos.app.appstartup.StartupConfig (AppStartup Configuration)
• @ohos.app.appstartup.StartupConfigEntry (AppStartup Configuration Entry)
• @ohos.app.appstartup.StartupListener (AppStartup Task Listener)
• @ohos.app.appstartup.startupManager (AppStartup Management)
• @ohos.app.appstartup.StartupTask (AppStartup Task)
• @ohos.app.ability.autoStartupManager (Auto-Startup Management)
• @ohos.app.agent.agentConstant (Agent Constants)
• @ohos.app.agent.AgentExtensionAbility
• @ohos.continuation.continuationManager (Continuation/Collaboration Management)
• ContinuationExtraParams
• ContinuationResult
• @ohos.ability.ability (Ability Module)
• @ohos.ability.featureAbility (FeatureAbility Module)
• @ohos.ability.particleAbility (ParticleAbility Module)
• DataAbilityOperation
• DataAbilityResult
• StartAbilityParameter
• AppVersionInfo
• Context (Context Base Class of the FA Model)
• ProcessInfo
• @ohos.abilityAccessCtrl (Application Access Control)
• @ohos.ability.screenLockFileManager (Sensitive Data Access Management Under Lock Screen)
• @ohos.app.ability.abilityManager (Ability Information Management)
• @ohos.app.ability.appManager (Application Management)
• @ohos.app.ability.appRecovery (Application Recovery)
• @ohos.app.ability.Configuration (Environment Variables)
• @ohos.app.ability.ConfigurationConstant (Constants Related to Environment Variables)
• @ohos.app.ability.continueManager (Cross-Device Migration)
• @ohos.app.ability.dataUriUtils (DataUriUtils Module)
• @ohos.app.ability.dialogRequest (dialogRequest Module)
• @ohos.app.ability.errorManager (Error Management Module)
• @ohos.app.ability.hyperSnapManager (Quick Launch Management)
• @ohos.app.ability.kioskManager (Kiosk Mode Management)
• @ohos.app.ability.Want (Want)
• @ohos.app.ability.wantAgent (WantAgent Module)
• @ohos.app.ability.wantConstant (Want Constants)
• @ohos.bundle.bundleManager (Bundle Management Module)
• @ohos.bundle.defaultAppManager (Default Application Management)
• @ohos.bundle.launcherBundleManager (launcherBundleManager Module)
• @ohos.bundle.overlay (overlay Module)
• @ohos.bundle.pluginBundleManager (pluginBundleManager module)
• @ohos.bundle.shortcutManager (shortcutManager Module)
• @ohos.bundle.skillManager (skillManager Module)
• AbilityResult
• ConnectOptions
• DataAbilityHelper
• AbilityMonitor
• AbilityRunningInfo
• AbilityStageContext
• AbilityStageMonitor
• AbilityStartCallback
• AbilityStateData
• AgentCard
• AgentExtensionContext
• AgentHostProxy
• ApplicationContext (Application Context)
• ApplicationStateObserver
• AppServiceExtensionContext (ExtensionAbility Context for Application Background Services)
• AppStateData
• AutoFillRect
• AutoFillRequest
• AutoFillType
• AutoFillTriggerType
• BaseContext
• Context (Context Base Class of the Stage Model)
• EmbeddableUIAbilityContext
• ErrorObserver
• EventHub
• ExtensionContext
• KioskStatus (Kiosk Status Information)
• LoopObserver
• PageNodeInfo
• ProcessInformation
• ProcessRunningInfo
• UIAbilityContext
• UIExtensionContext
• UIServiceExtensionConnectCallback
• UIServiceProxy
• ProcessData
• PhotoEditorExtensionContext
• SendableContext
• ViewData
• AbilityInfo
• applicationInfo
• BundleInfo
• ElementName
• ExtensionAbilityInfo
• HapModuleInfo
• LauncherAbilityInfo
• Metadata
• OverlayModuleInfo
• PluginBundleInfo
• Skill
• ShortcutInfo
• SkillInfo
• PermissionRequestResult
• TriggerInfo
• WantAgentInfo
• @ohos.ability.dataUriUtils (DataUriUtils Module)
• @ohos.ability.errorCode (ErrorCode)
• @ohos.ability.wantConstant (wantConstant)
• @ohos.application.appManager (appManager)
• @ohos.application.Configuration (Configuration)
• @ohos.application.ConfigurationConstant (ConfigurationConstant)
• @ohos.application.Want (Want)
• @ohos.wantAgent (WantAgent Module)
• @ohos.bundle (Bundle Module)
• @system.package (Bundle Management)
• Want
• AbilityInfo
• ApplicationInfo
• BundleInfo
• CustomizeData
• ElementName
• HapModuleInfo
• ModuleInfo
• ShortcutInfo
• AbilityAccessControl
• AbilityBase
• AbilityRuntime
• Native_Bundle
• ChildProcess
• ability_access_control.h
• ability_base_common.h
• ability_runtime_common.h
• application_context.h
• context_constant.h
• connect_options.h
• native_ability_wrapper.h
• native_child_process.h
• native_interface_bundle.h
• start_options.h
• want.h
• ability_resource_info.h
• bundle_manager_common.h
• context.h
• extension_ability.h
• modular_object_dispatcher.h
• modular_object_extension_ability.h
• modular_object_extension_context.h
• modular_object_extension_manager.h
• AbilityBase_Element
• AbilityBase_Want
• AbilityRuntime_StartOptions
• NativeChildProcess_Fd
• NativeChildProcess_FdList
• NativeChildProcess_Options
• NativeChildProcess_Args
• Ability_ChildProcessConfigs
• OH_NativeBundle_ApplicationInfo
• OH_NativeBundle_ElementName
• OH_NativeBundle_Metadata
• OH_NativeBundle_ModuleMetadata
• OH_NativeBundle_AbilityResourceInfo
• AbilityRuntime_Context
• AbilityRuntime_Context*
• AbilityRuntime_NativeAbilityWrapper
• AbilityRuntime_ExtensionInstance
• AbilityRuntime_ExtensionInstance*
• OH_AbilityRuntime_ModObjDispatcher_InputParams
• OH_AbilityRuntime_ModObjDispatcher_TypeInfo
• OH_AbilityRuntime_ModObjDispatcher_Variant
• OH_AbilityRuntime_ModularObjectDispatcher*
• OH_AbilityRuntime_ModularObjectDispatcher_Array*
• OH_AbilityRuntime_ModularObjectDispatcher_Map*
• OH_AbilityRuntime_ModularObjectDispatcher_Set*
• OH_AbilityRuntime_ModularObjectDispatcher_Struct*
• OH_AbilityRuntime_ModularObjectDispatcher_TypeDescriptor*
• OH_AbilityRuntime_ModularObjectDispatcher_Vector*
• OH_AbilityRuntime_ModularObjectExtensionInfo*
• OH_AbilityRuntime_AllModularObjectExtensionInfos*
• OH_AbilityRuntime_ConnectOptions
• OH_AbilityRuntime_ModularObjectExtensionContext*
• OH_AbilityRuntime_ModularObjectExtensionInstance
• OH_AbilityRuntime_ModObjExtensionInstance*
• Ability Error Codes
• Distributed Scheduler Error Codes
• Bundle Error Codes
• Access Control Error Codes
• ohos.screenLockFileManager Error Codes
• @ohos.accessibility (Accessibility)
• @ohos.accessibility.GesturePath (Gesture Path)
• @ohos.accessibility.GesturePoint (Gesture Point)
• @ohos.application.AccessibilityExtensionAbility (AccessibilityExtensionAbility)
• AccessibilityExtensionContext (Accessibility Extension Context)
• Accessibility Error Codes
• @ohos.data.commonType (Common Data Types)
• @ohos.data.dataAbility (DataAbility Predicates)
• @ohos.data.dataShare (DataShare)
• @ohos.data.dataSharePredicates (DataShare Predicates)
• @ohos.data.distributedDataObject (Distributed Data Object)
• @ohos.data.distributedKVStore (Distributed KV Store)
• @ohos.data.preferences (User Preferences)
• @ohos.data.sendablePreferences (Shared User Preferences)
• Module Description
• Functions
• Interface (RdbStore)
• Interface (ResultSet)
• Class (LiteResultSet)
• Interface (Transaction)
• Interfaces (Others)
• Class (RdbPredicates)
• Enums
• Types
• @ohos.data.sendableRelationalStore (Shared RDB Store)
• @ohos.data.unifiedDataChannel (Unified Data Channel)
• @ohos.data.uniformDataStruct (Uniform Data Structs)
• @ohos.data.uniformTypeDescriptor (Uniform Data Definition and Description)
• @ohos.data.ValuesBucket (Value Bucket)
• @ohos.data.intelligence (ArkData Intelligence Platform)
• @ohos.data.cloudData (Device-Cloud Service)
• @ohos.data.distributedData (Distributed Data Management)
• @ohos.data.rdb (RDB)
• @ohos.data.storage (Lightweight Data Storage)
• @system.storage (Data Storage)
• resultSet
• @ohos.data.UdmfComponents (Content Card)
• Preferences
• RDB
• UDMF
• oh_preferences.h
• oh_preferences_err_code.h
• oh_preferences_option.h
• oh_preferences_value.h
• data_asset.h
• oh_cursor.h
• oh_data_value.h
• oh_data_values.h
• oh_data_values_buckets.h
• oh_predicates.h
• oh_rdb_crypto_param.h
• oh_rdb_transaction.h
• oh_rdb_types.h
• oh_value_object.h
• oh_values_bucket.h
• relational_store.h
• relational_store_error_code.h
• udmf.h
• udmf_err_code.h
• udmf_meta.h
• uds.h
• utd.h
• OH_Cursor
• OH_Predicates
• OH_RDB_ReturningContext
• OH_VObject
• OH_VBucket
• OH_Rdb_Config
• OH_Rdb_Store
• Rdb_DistributedConfig
• Rdb_KeyInfo
• Rdb_KeyData
• Rdb_ChangeInfo
• Rdb_SubscribeCallback
• Rdb_DataObserver
• Rdb_Statistic
• Rdb_TableDetails
• Rdb_ProgressDetails
• Rdb_ProgressObserver
• OH_Preferences
• OH_PreferencesOption
• OH_PreferencesPair
• OH_PreferencesValue
• Data_Asset
• OH_Data_Value
• OH_Data_Values
• OH_Data_VBuckets
• OH_Rdb_CryptoParam
• OH_RDB_TransOptions
• OH_Rdb_Transaction
• OH_Rdb_ConfigV2
• OH_UdmfData
• OH_UdmfRecord
• OH_UdmfRecordProvider
• OH_UdmfProperty
• OH_Udmf_ProgressInfo
• OH_UdmfGetDataParams
• OH_UdmfOptions
• OH_UdmfDataLoadParams
• OH_UdmfDataLoadInfo
• OH_UdsPlainText
• OH_UdsHyperlink
• OH_UdsHtml
• OH_UdsAppItem
• OH_UdsFileUri
• OH_UdsPixelMap
• OH_UdsArrayBuffer
• OH_UdsContentForm
• OH_UdsDetails
• OH_Utd
• RDB Error Codes
• DataShare Error Codes
• Distributed Data Object Error Codes
• Distributed KV Store Error Codes
• User Preferences Error Codes
• UDMF Error Codes
• AIP Error Codes
• Module Description
• Class (Array)
• Class (Map)
• Class (Set)
• Class (ArrayBuffer)
• Class (Int8Array)
• Class (Uint8Array)
• Class (Int16Array)
• Class (Uint16Array)
• Class (Int32Array)
• Class (Uint32Array)
• Class (Uint8ClampedArray)
• Class (Float32Array)
• Class (BitVector)
• Interface (ConcatArray)
• Types
• @arkts.lang (ArkTS Base Capability)
• @arkts.math.Decimal (High-Precision Math Library Decimal)
• Module Description
• Functions
• ArkTSUtils.locks
• ArkTSUtils.ASON
• SendableLruCache
• @ohos.buffer (Buffer)
• @ohos.convertxml (XML-to-JavaScript Conversion)
• @ohos.fastbuffer (FastBuffer)
• @ohos.process (Obtaining Process Information)
• @ohos.taskpool (Starting the Task Pool)
• @ohos.uri (URI String Parsing)
• @ohos.url (URL String Parsing)
• @ohos.util (util)
• @ohos.util.ArrayList (Linear Container ArrayList)
• @ohos.util.Deque (Linear Container Deque)
• @ohos.util.HashMap (Nonlinear Container HashMap)
• @ohos.util.HashSet (Nonlinear Container HashSet)
• @ohos.util.json (JSON Parsing and Generation)
• @ohos.util.LightWeightMap (Nonlinear Container LightWeightMap)
• @ohos.util.LightWeightSet (Nonlinear Container LightWeightSet)
• @ohos.util.LinkedList (Linear Container LinkedList)
• @ohos.util.List (Linear Container List)
• @ohos.util.PlainArray (Nonlinear Container PlainArray)
• @ohos.util.Queue (Linear Container Queue)
• @ohos.util.Stack (Linear Container Stack)
• @ohos.util.stream (Stream Base Class)
• @ohos.util.TreeMap (Nonlinear Container TreeMap)
• @ohos.util.TreeSet (Nonlinear Container TreeSet)
• @ohos.worker (Starting the Worker)
• @ohos.xml (XML Parsing and Generation)
• @ohos.util.Vector (Linear Container Vector)
• Utils Error Codes
• TypeScript Compiler Error Codes
• Compilation Toolchain Error Codes
• es2abc Compiler Error Codes
• Source Code Obfuscation Error Codes
• @ohos.animator (Animator)
• @ohos.arkui.componentSnapshot (Component Snapshot)
• @ohos.arkui.componentUtils (componentUtils)
• @ohos.arkui.dragController (DragController)
• @ohos.arkui.drawableDescriptor (DrawableDescriptor)
• @ohos.arkui.inspector (Layout Callback)
• @ohos.arkui.node (Custom Node)
• @ohos.arkui.observer (Observer)
• @ohos.arkui.Prefetcher (Prefetching)
• @ohos.arkui.shape (Shape)
• @ohos.arkui.theme (Theme)
• Module Description
• Class (ComponentSnapshot)
• Class (ComponentUtils)
• Class (ContextMenuController)
• Class (CursorController)
• Class (DragController)
• Class (DynamicSyncScene)
• Class (FocusController)
• Class (Font)
• Class (FrameCallback)
• Class (Magnifier)
• Class (MarqueeDynamicSyncScene)
• Class (MeasureUtils)
• Class (MediaQuery)
• Class (OverlayManager)
• Class (PromptAction)
• Class (Router)
• Class (SmartGestureController)
• Class (BaseGestureHandlingProposal)
• Class (TargetedGestureProposal)
• Class (ClickActionProposal)
• Class (SelectActionProposal)
• Class (NoneActionProposal)
• Class (BackPressActionProposal)
• Class (PageSwitchActionProposal)
• Class (ScrollActionProposal)
• Class (GestureHandlingResolution)
• Class (SwiperDynamicSyncScene)
• Class (TextMenuController)
• Class (UIContext)
• Class (ResolvedUIContext)
• Class (UIInspector)
• Class (UIObserver)
• Interface (AtomicServiceBar)
• Interfaces (Others)
• Enums
• Types
• @ohos.arkui.uiExtension (uiExtension)
• @ohos.arkui.uiMaterial (System Material)
• @ohos.arkui.StateManagement (State Management)
• @ohos.curves (Interpolation Calculation)
• @ohos.font (Custom Font Registration)
• @ohos.matrix4 (Matrix Transformation)
• @ohos.measure (Text Measurement)
• @ohos.mediaquery (Media Query)
• @ohos.pluginComponent (PluginComponentManager)
• @ohos.promptAction (Prompt)
• @ohos.router (Page Routing) (Not Recommended)
• @ohos.uiAppearance (UI Appearance)
• getContext
• postCardAction
• BuilderNode
• ComponentContent
• FrameNode
• Graphics
• LayoutAlgorithm
• LazyLayoutAlgorithm
• NodeController
• RenderNode
• AttributeUpdater
• Content
• NodeContent
• Resource
• @ohos.window.floatView (Float View)
• @ohos.PiPWindow (PiP Window)
• @ohos.window.floatingBall (Floating Ball Window)
• Module Description
• Functions
• Interface (Window)
• Interface (WindowStage)
• Interfaces (Others)
• Enums
• Types
• @ohos.display (Display)
• @ohos.screenshot (Screenshot)
• @ohos.prompt (Prompt)
• @system.app (Application Context)
• @system.configuration (Application Configuration)
• @system.mediaquery (Media Query)
• @system.prompt (Prompt)
• @system.router (Page Routing)
• XComponentNode
• Touch Event
• Mouse Event
• Axis Event
• Key Event
• Crown Event
• Focus Axis Event
• Click Event
• Drag Event
• Focus Event
• Hover Event
• Component Keyboard Shortcut Event
• Keyboard Determination Event
• Custom Event Interception
• Custom Event Dispatch
• Global Basic Input Event Listening
• Accessibility Control Actions
• Accessibility Hover Event
• Show/Hide Event
• Component Area Change Event
• Component Size Change Event
• Visible Area Change Event
• Component ID
• Distributed Migration Identifier
• Visibility Control
• Background
• Overlay Control
• Z-order Control
• Obscuring
• Color Inversion
• Sizing
• Location
• Layout Constraints
• Flex Layout
• Safe Area
• Component-Level Pixel Rounding
• Page-Level Pixel Rounding
• Border Styling
• Border Image
• Opacity Control
• Transformation
• Image Effect
• Shape Clipping
• Color Gradient
• Foreground Color
• Foreground Effect
• Outline Styling
• Visual Effect
• Foreground Blur
• Motion Blur
• Click Feedback Effect
• Special Effect Drawing Combination
• Render Fit
• Enable/Disable Control
• Focus Control
• Drag and Drop Control
• Drag-and-Drop Sorting
• Hover Effect
• Click Sound Effect
• Smart Gesture Response
• Touch Target
• Hit Test Control
• Event Monopolization
• Cursor Control
• Polymorphic Style
• Popup Control
• Tooltip Control
• Menu Control
• Accessibility
• Modal Transition
• Sheet Transition
• Attribute Modifier
• Gesture Modifier
• Drawing Modifier
• Content Modifier
• Custom Property
• Symbol Glyph Modifier
• Attribute Modifier Utility
• Reuse ID
• Reuse Options
• Toolbar Configuration
• Node Inspector Label
• Gesture Binding
• Bound Gesture Configuration
• Gesture Handler
• TapGesture
• LongPressGesture
• PanGesture
• PinchGesture
• RotationGesture
• SwipeGesture
• Combined Gestures
• Custom Gesture Judgment
• Gesture Blocking Enhancement
• Gesture Common APIs
• Flex
• Column
• Row
• Stack
• RelativeContainer
• DynamicLayout
• ContainerReader
• GridRow
• GridCol
• ColumnSplit
• RowSplit
• SideBarContainer
• List
• ListItem
• ListItemGroup
• ArcList
• ArcListItem
• Grid
• GridItem
• Scroll
• Swiper
• ArcSwiper
• WaterFlow
• FlowItem
• LazyVGridLayout
• LazyVWaterFlowLayout
• LazyColumnLayout
• LazyDynamicLayout
• ScrollBar
• Refresh
• ArcScrollBar
• Scrollable Component Common APIs
• Indicator
• Navigation
• NavDestination
• MultiNavigation
• Tabs
• TabContent
• ToolBarItem
• Button
• Toggle
• Checkbox
• CheckboxGroup
• UIPickerComponent
• CalendarPicker
• DatePicker
• TextPicker
• TimePicker
• Radio
• Rating
• Select
• Slider
• ArcButton
• ArcSlider
• Picker Common APIs
• Text
• TextArea
• TextInput
• RichEditor
• Search
• Span
• ImageSpan
• ContainerSpan
• SelectionContainer
• SymbolSpan
• SymbolGlyph
• Hyperlink
• RichText
• Styled String
• Text Box Component Common APIs
• Text Component Common APIs
• Image
• ImageAnimator
• Video
• Image Analysis Types
• SVG Tags
• Enhanced SVG Tag Parsing
• AlphabetIndexer
• ArcAlphabetIndexer
• Badge
• Counter
• DataPanel
• Gauge
• LoadingProgress
• Marquee
• PatternLock
• Progress
• QRCode
• TextClock
• TextTimer
• Information Display APIs
• Blank
• Divider
• Canvas
• CanvasGradient
• CanvasPattern
• CanvasRenderingContext2D
• DrawingRenderingContext
• ImageBitmap
• ImageData
• Matrix2D
• OffscreenCanvas
• OffscreenCanvasRenderingContext2D
• Path2D
• Common Canvas Drawing Properties
• Common Canvas Rendering Methods
• Circle
• Ellipse
• Line
• Polyline
• Polygon
• Path
• Rect
• Shape
• Common Attributes for Graphics Drawing
• XComponent
• Component3D
• EmbeddedComponent
• Menu
• MenuItem
• MenuItemGroup
• ContextMenu
• Property Animation (animation)
• Explicit Animation (animateTo)
• Keyframe Animation (keyframeAnimateTo)
• Page Transition (pageTransition)
• Component Transition (transition)
• Shared Element Transition (sharedTransition)
• Implicit Shared Element Transition (geometryTransition)
• Motion Path Animation (motionPath)
• Particle Animation (Particle)
• Immediate Delivery of Explicit Animation (animateToImmediately)
• Alert Dialog Box (AlertDialog)
• Action Sheet (ActionSheet)
• Custom Dialog Box (CustomDialog)
• Calendar Picker Dialog Box (CalendarPickerDialog)
• Date Picker Dialog Box (DatePickerDialog)
• Time Picker Dialog Box (TimePickerDialog)
• Text Picker Dialog Box (TextPickerDialog)
• Dialog Box (Dialog)
• FormLink
• Security Component Universal Attributes
• PasteButton
• SaveButton
• WithTheme
• AtomicServiceNavigation
• AtomicServiceSearch
• AtomicServiceTabs
• AtomicServiceWeb
• InterstitialDialogAction
• HalfScreenLaunchComponent
• NavPushPathHelper
• NodeContainer
• ContentSlot
• Custom Component Lifecycle
• Lifecycle of a Custom Component (Recommended)
• Custom Component Layout
• Custom Component Built-in APIs
• Custom Component Parameters
• @Component: Custom Component
• @ComponentV2: Custom Component V2
• @Entry: Page Entry Declaration
• @AnimatableExtend: Animatable Property Definition
• @Builder Decorator: Custom Builder Function
• @BuilderParam Decorator: Referencing the @Builder Function
• @Extend: Extended Component Styles
• @LocalBuilder Decorator: Maintaining Component Relationships
• @Require Decorator: Validating Constructor Input Parameters
• @Reusable: Reusing Components
• @ReusableV2: Component Reuse V2
• @Styles: Component Reuse Styles
• wrapBuilder
• mutableBuilder
• Component Preview
• Chip
• ChipV2
• ChipGroup
• ChipGroupV2
• ComposeListItem
• ComposeListItemV2
• ComposeTitleBar
• ComposeTitleBarV2
• DownloadFileButton
• DialogV2
• EditableTitleBar
• EditableTitleBarV2
• ExceptionPrompt
• ExceptionPromptV2
• Filter
• FolderStack
• FoldSplitContainer
• FormMenu
• FullScreenLaunchComponent
• GridObjectSortComponent
• Popup
• PopupV2
• ProgressButton
• ProgressButtonV2
• SegmentButton
• SegmentButtonV2
• SelectTitleBar
• SelectionMenu
• SplitLayout
• SubHeader
• SubHeaderV2
• SwipeRefresher
• SwipeRefresherV2
• TabTitleBar
• ToolBar
• ToolBarV2
• TreeView
• TreeViewV2
• advanced.Counter
• CounterV2
• DatePickerComponent
• State Management with Application-Level Variables
• Built-in Environment Variables
• ForEach
• LazyForEach
• Repeat
• @Consume: Implementing Two-Way Synchronization with Descendant Components
• @Link: Two-Way Synchronization Between Parent and Child Components
• @LocalStorageLink: Bidirectional Data Synchronization with LocalStorage
• @LocalStorageProp: Unidirectional Data Synchronization with LocalStorage
• @ObjectLink: Observing Property Changes in Nested Class Objects
• @Observed: Observing Property Changes in Nested Class Objects
• @Prop: Implementing One-Way Synchronization from Parent to Child Components
• @Provide: Implementing Two-Way Synchronization with Descendant Components
• @State: State Owned by Component
• @StorageLink: Bidirectional Data Synchronization with AppStorage
• @StorageProp: Unidirectional Data Synchronization with AppStorage
• @Track: Implementing Class Object Property-Level Updates
• @Watch: Getting Notified of State Variable Changes
• @Computed: Declaring Computed Properties
• @Consumer: Synchronizing Across Component Levels in a Two-Way Manner
• @Event: Standardizing Component Output
• @Local: Representing the Internal State of Components
• @Monitor: Listening for Value Changes of the State Variables
• @ObservedV2: Observing Class Property Changes
• @Once: Implementing Initialization Once
• @Param: Inputting External Parameters to Components
• @Provider: Synchronizing Across Component Levels in a Two-Way Manner
• @SyncMonitor: Synchronous Listening for Value Changes of the State Variables
• @Trace: Observing Class Property Changes
• @Type: Marking Types of Class Properties
• @Env: Environment Variable
• WithEnv: Environment Variable Container
• @CustomEnv: Custom Environment Variable
• Basic Types
• Pixel Units
• Enums
• Common Event Callbacks
• GridContainer
• Panel
• NavRouter
• Navigator
• Click Control
• Grid
• Stepper
• StepperItem
• Universal Attributes
• Universal Styles
• Universal Events
• Universal Methods
• Animation Styles
• Gradient Styles
• Transition Styles
• Media Query
• Custom Font Styles
• Atomic Layout
• badge
• dialog
• div
• form
• list
• list-item
• list-item-group
• panel
• popup
• refresh
• stack
• stepper
• stepper-item
• swiper
• tabs
• tab-bar
• tab-content
• button
• chart
• divider
• image
• image-animator
• input
• label
• marquee
• menu
• option
• picker
• picker-view
• piece
• progress
• qrcode
• rating
• richtext
• search
• select
• slider
• span
• switch
• text
• textarea
• toolbar
• toolbar-item
• toggle
• web
• xcomponent
• video
• canvas
• CanvasRenderingContext2D
• Image
• CanvasGradient
• ImageData
• Path2D
• ImageBitmap
• OffscreenCanvas
• OffscreenCanvasRenderingContext2D
• Basic Concepts
• grid-container
• grid-row
• grid-col
• Universal Attributes
• svg
• rect
• circle
• ellipse
• path
• line
• polyline
• polygon
• text
• tspan
• textPath
• animate
• animateMotion
• animateTransform
• Basic Usage of Custom Components
• Data Transfer and Processing
• Style Inheritance
• slot
• Lifecycle Definition
• Crown Rotation Event Monitoring
• Dynamic Component Creation
• Data Type Attributes
• File Organization
• "js" Tag
• app.js
• Lifecycle
• Multi-Language Capability
• HML
• CSS
• JavaScript
• Universal Events
• Universal Attributes
• Universal Styles
• Animation Styles
• Media Query
• div
• list
• list-item
• stack
• swiper
• chart
• image
• image-animator
• input
• marquee
• picker-view
• progress
• qrcode
• slider
• switch
• text
• canvas
• CanvasRenderingContext2D
• Monitoring Rotating Crown Events
• File Organization
• HML
• CSS
• Multi-Language Capability
• Version Compatibility Adaptation
• Theme Configuration
• Universal Attributes
• Universal Styles
• Universal Events
• Gradient Styles
• Media Query
• Custom Font Styles
• Accessibility
• Atomic Layout
• badge
• div
• list
• list-item
• stack
• swiper
• button
• calendar
• chart
• clock
• divider
• image
• input
• progress
• span
• text
• Custom Component Basic Usage
• Data Types
• ArkUI_NativeModule
• ArkUI_Accessibility
• OH_NativeXComponent Native XComponent
• ArkUI_EventModule
• WindowManager
• OH_DisplayManager
• ArkUI_RenderNodeUtils
• common_attributes.h
• drag_and_drop.h
• drawable_descriptor.h
• image.h
• image_animator.h
• layout.h
• embedded_component.h
• native_animate.h
• native_dialog.h
• native_gesture.h
• native_interface.h
• native_interface_accessibility.h
• native_interface_focus.h
• native_interface_xcomponent.h
• native_key_event.h
• native_material.h
• ArkUI_NodeAttributeType (Basic Attribute)
• ArkUI_NodeAttributeType (General Attribute)
• ArkUI_NodeAttributeType (Layout Attribute)
• ArkUI_NodeAttributeType (Layout Component Attribute)
• ArkUI_NodeAttributeType (Animation and Visual Effect Attributes)
• ArkUI_NodeAttributeType (Interaction Attribute)
• ArkUI_NodeAttributeType (Form Component Attribute)
• ArkUI_NodeAttributeType (Scrollable Container Component Attribute)
• ArkUI_NodeAttributeType (Navigation Component Attribute)
• ArkUI_NodeAttributeType (Information Display Component Attribute)
• ArkUI_NodeAttributeType (Information Selection Component Attribute)
• ArkUI_NodeAttributeType (Accessibility Attribute)
• ArkUI_NodeAttributeType (Text Display Component Attribute)
• ArkUI_NodeAttributeType (Text Input Component Attribute)
• ArkUI_NodeAttributeType (Rich Text Component Attribute)
• ArkUI_NodeAttributeType (Image Component Attribute)
• ArkUI_NodeAttributeType (XComponent Attribute)
• ArkUI_NodeAttributeType (EmbeddedComponent Attribute)
• ArkUI_NodeAttributeType (Others)
• custom_attributes.h
• native_node_napi.h
• native_render.h
• grid.h
• list.h
• native_type.h
• native_type_visual.h
• native_xcomponent_key_event.h
• navigation_router.h
• picker.h
• button.h
• checkbox.h
• slider.h
• scroll.h
• styled_string.h
• custom_span.h
• image_span.h
• progress.h
• rich_editor.h
• text.h
• text_common.h
• text_input.h
• text_area.h
• swiper.h
• water_flow.h
• ui_input_event.h
• oh_window.h
• oh_window_comm.h
• oh_window_event_filter.h
• oh_window_pip.h
• oh_display_capture.h
• oh_display_info.h
• oh_display_manager.h
• xcomponent.h
• error_code.h
• ArkUI_NodeEvent
• ArkUI_Context
• ArkUI_Context*
• ArkUI_DragEvent
• ArkUI_DragPreviewOption
• ArkUI_DragAction
• ArkUI_DragAndDropInfo
• ArkUI_DrawableDescriptor
• ArkUI_DrawableDescriptor_AnimationController
• OH_ArkUI_FontConfigs
• OH_ArkUI_FontWeightConfigs
• OH_PixelmapNative*
• ArkUI_ExpectedFrameRateRange
• ArkUI_AnimateCompleteCallback
• ArkUI_NativeAnimateAPI_1
• ArkUI_AnimateOption
• ArkUI_Curve
• ArkUI_Curve*
• ArkUI_KeyframeAnimateOption
• ArkUI_AnimatorOption
• ArkUI_Animator*
• ArkUI_AnimatorEvent
• ArkUI_AnimatorOnFrameEvent
• ArkUI_TransitionEffect
• ArkUI_NativeDialogAPI_1
• ArkUI_NativeDialogAPI_2
• ArkUI_NativeDialogAPI_3
• ArkUI_DialogDismissEvent
• ArkUI_CustomDialogOptions
• ArkUI_NativeGestureAPI_1
• ArkUI_NativeGestureAPI_2
• ArkUI_GestureRecognizer
• ArkUI_GestureInterruptInfo
• ArkUI_GestureEvent
• ArkUI_GestureEventTargetInfo
• ArkUI_GestureCollectInterceptInfo
• ArkUI_ParallelInnerGestureEvent
• ArkUI_TouchRecognizer
• ArkUI_TouchRecognizerHandle
• ArkUI_TouchRecognizerHandleArray
• ArkUI_GestureRecognizerHandle
• ArkUI_GestureRecognizerHandleArray
• ArkUI_AccessibleAction
• ArkUI_AccessibleRect
• ArkUI_AccessibleRangeInfo
• ArkUI_AccessibleGridInfo
• ArkUI_AccessibleGridItemInfo
• ArkUI_AccessibilityProviderCallbacks
• ArkUI_AccessibilityProviderCallbacksWithInstance
• ArkUI_AccessibilityElementInfo
• ArkUI_AccessibilityEventInfo
• ArkUI_AccessibilityProvider
• ArkUI_AccessibilityActionArguments
• ArkUI_AccessibilityElementInfoList
• OH_NativeXComponent_HistoricalPoint
• OH_NativeXComponent_TouchPoint
• OH_NativeXComponent_TouchEvent
• OH_NativeXComponent_MouseEvent
• OH_NativeXComponent_Callback
• OH_NativeXComponent_MouseEvent_Callback
• OH_NativeXComponent_ExpectedRateRange
• OH_NativeXComponent
• OH_NativeXComponent_KeyEvent
• OH_NativeXComponent_ExtraMouseEventInfo
• OH_ArkUI_SurfaceHolder
• OH_ArkUI_SurfaceCallback
• OHNativeWindow
• ArkUI_XComponentSurfaceConfig
• ArkUI_AttributeItem
• ArkUI_NodeComponentEvent
• ArkUI_StringAsyncEvent
• ArkUI_TextChangeEvent
• ArkUI_NativeNodeAPI_1
• OH_ArkUI_TextEditorChangeEvent
• ArkUI_NodeCustomEvent
• ArkUI_NodeAdapter*
• ArkUI_NodeAdapterEvent
• ArkUI_NodeContentEvent
• ArkUI_ContextCallback
• ArkUI_NumberValue
• ARKUI_TextPickerRangeContent
• ARKUI_TextPickerCascadeRangeContent
• ArkUI_ColorStop
• ArkUI_Rect
• ArkUI_IntSize
• ArkUI_IntOffset
• ArkUI_Margin
• ArkUI_Matrix4
• ArkUI_Matrix4RotationOptions
• ArkUI_Matrix4ScaleOptions
• ArkUI_Matrix4TranslationOptions
• ArkUI_PointF
• ArkUI_TranslationOptions
• ArkUI_ScaleOptions
• ArkUI_RotationOptions
• ArkUI_NativeDialog
• ArkUI_LayoutConstraint
• ArkUI_DrawContext
• ArkUI_Node
• ArkUI_Node*
• ArkUI_NativeDialog*
• ArkUI_WaterFlowSectionOption
• ArkUI_ListItemSwipeActionItem
• ArkUI_ListItemSwipeActionOption
• ArkUI_NodeContent*
• ArkUI_AlignmentRuleOption
• ArkUI_GuidelineOption
• ArkUI_BarrierOption
• ArkUI_ImageAnimatorFrameInfo
• ArkUI_ListChildrenMainSize
• ArkUI_ProgressLinearStyleOption
• ArkUI_CustomProperty
• ArkUI_HostWindowInfo
• ArkUI_ActiveChildrenInfo
• ArkUI_CrossLanguageOption
• AbilityBase_Want
• ArkUI_EmbeddedComponentOption
• ArkUI_AccessibilityState
• ArkUI_AccessibilityValue
• ArkUI_SystemFontStyleEvent
• ArkUI_CustomSpanMeasureInfo
• ArkUI_CustomSpanMetrics
• ArkUI_CustomSpanDrawInfo
• ArkUI_SwiperIndicator
• ArkUI_SwiperDigitIndicator
• ArkUI_SwiperArrowStyle
• ArkUI_StyledString_Descriptor
• ArkUI_SnapshotOptions
• ArkUI_TextPickerRangeContentArray
• ArkUI_TextCascadePickerRangeContentArray
• ArkUI_SelectionOptions
• ArkUI_VisibleAreaEventOptions
• ArkUI_PositionEdges
• ArkUI_PixelRoundPolicy
• ArkUI_MotionPathOptions
• ArkUI_StyledString
• OH_ArkUI_SpanStyle
• OH_ArkUI_ImageAttachment
• OH_ArkUI_CustomSpan
• OH_ArkUI_TextStyle
• OH_ArkUI_ParagraphStyle
• OH_ArkUI_GestureStyle
• OH_ArkUI_TextShadowStyle
• OH_ArkUI_DecorationStyle
• OH_ArkUI_BaselineOffsetStyle
• OH_ArkUI_LetterSpacingStyle
• OH_ArkUI_LineHeightStyle
• OH_ArkUI_LineSpacingStyle
• OH_ArkUI_UrlStyle
• OH_ArkUI_BackgroundColorStyle
• OH_ArkUI_UserDataSpan
• OH_ArkUI_LeadingMarginSpanDrawInfo
• ArkUI_TextLayoutManager
• ArkUI_TextMarqueeOptions
• ArkUI_UIInputEvent
• ArkUI_ShowCounterConfig
• ArkUI_TextContentBaseController
• PictureInPicture_PipConfig
• WindowManager_Rect
• OH_PixelmapNative
• WindowManager_WindowProperties
• WindowManager_AvoidArea
• WindowManager_MainWindowInfo
• WindowManager_WindowSnapshotConfig
• OH_WindowManager_FrameMetrics
• OH_WindowManager_DensityInfo
• NativeDisplayManager_Rect
• NativeDisplayManager_WaterfallDisplayAreaRects
• NativeDisplayManager_CutoutInfo
• NativeDisplayManager_DisplayHdrFormat
• NativeDisplayManager_DisplayColorSpace
• NativeDisplayManager_DisplayInfo
• NativeDisplayManager_DisplaysInfo
• ArkUI_CircleShape
• ArkUI_ColorAnimatableProperty*
• ArkUI_ColorProperty*
• ArkUI_CommandPath
• ArkUI_FloatAnimatableProperty*
• ArkUI_FloatProperty*
• ArkUI_ImmersiveMaterial
• ArkUI_ImmersiveMaterial*
• ArkUI_LightEffectOptions
• ArkUI_LightEffectOptions*
• ArkUI_NodeBorderColor
• ArkUI_NodeBorderRadius
• ArkUI_NodeBorderStyle
• ArkUI_NodeBorderWidth
• ArkUI_RectShape
• ArkUI_RenderContentModifier*
• ArkUI_RenderNodeClipOption
• ArkUI_RenderNode*
• ArkUI_RenderNodeMaskOption
• ArkUI_RenderBlurStyleOption
• ArkUI_RoundRectShape
• ArkUI_Vector2AnimatableProperty*
• ArkUI_Vector2Property*
• ArkUI_ContentTransitionEffect
• ArkUI_CoastingAxisEvent
• ArkUI_GridItemRect
• ArkUI_GridItemSize
• ArkUI_GridLayoutOptions
• ArkUI_TouchTestInfo
• ArkUI_TouchTestInfoItem
• ArkUI_TouchTestInfoItem*
• ArkUI_TouchTestInfoItemHandle*
• ArkUI_TextMenuItem
• ArkUI_TextMenuItemArray
• ArkUI_TextEditMenuOptions
• ArkUI_TextSelectionMenuOptions
• ArkUI_SelectedDragPreviewStyle
• ArkUI_PickerIndicatorBackground
• ArkUI_PickerIndicatorDivider
• ArkUI_PickerIndicatorStyle
• OH_ArkUI_DecorationStyleOptions
• OH_ArkUI_TextDataDetectorConfig
• OH_ArkUI_TextEditorSelectionMenuOptions
• OH_ArkUI_TextEditorPlaceholderOptions
• OH_ArkUI_TextEditorStyledStringController
• OH_ArkUI_TextEditorParagraphStyle
• OH_ArkUI_ShadowOptions
• OH_ArkUI_TextEditorTextStyle
• OH_ArkUI_TextController
• ArkUI_NativeGestureAPI_3
• ArkUI_ParallelGestureEvent
• OH_ArkUI_LinearGradientOptions
• OH_ArkUI_RadialGradientOptions
• API Call Error Codes
• Popup Window Error Codes
• Router Error Codes
• Drag Event Error Codes
• AI Image Analyzer Error Codes
• Focus Error Codes
• System Resource Error Codes
• Auxiliary Node Error Codes
• Sheet Error Codes
• Scrollable Component Error Codes
• Snapshot Error Codes
• Styled String Error Codes
• UI Context Error Codes
• Render State Listening Error Codes
• Interaction Event Error Codes
• Canvas Component Error Codes
• Custom Node Error Codes
• Error Codes for Dynamic Attribute Configuration
• Error Codes of Logic Components
• UIExtension Error Codes
• UI Appearance Error Codes
• NodeAdapter Error Codes
• XComponent Error Codes
• Video Component Error Codes
• State Management Error Codes
• Render Node Error Codes
• DrawableDescriptor Error Codes
• Environment Variable Error Codes
• Color Inversion Error Codes
• Display Error Codes
• Window Error Codes
• Compilation Error Codes
• Module Description
• Functions
• Class (AdsBlockManager)
• Class (BackForwardCacheOptions)
• Class (BackForwardCacheSupportedFeatures)
• Class (GeolocationPermissions)
• Class (JsMessageExt)
• Class (MediaSourceInfo)
• Class (NativeMediaPlayerSurfaceInfo)
• Class (PdfData)
• Class (ProxyConfig)
• Class (PrefetchOptions)
• Class (ProxyController)
• Class (ProxyRule)
• Class (SecurityParams)
• Class (WebviewController)
• AIPageCommand
• AIPageInteraction
• AIPageResult
• Class (WebCookieManager)
• Class (WebDataBase)
• Class (WebDownloadDelegate)
• Class (WebDownloadItem)
• Class (WebDownloadManager)
• Class (WebHttpBodyStream)
• Class (WebMessageExt)
• Class (WebResourceHandler)
• Class (WebSchemeHandler)
• Class (WebSchemeHandlerRequest)
• Class (WebSchemeHandlerResponse)
• Class (WebStorage)
• Class (UserAgentBrandVersion)
• Class (UserAgentMetadata)
• Interface (BackForwardList)
• Interface (NativeMediaPlayerBridge)
• Interface (NativeMediaPlayerHandler)
• Interface (WebMessagePort)
• Interfaces (Others)
• Enums
• Types
• @ohos.web.netErrorList(The List of ArkWeb Network Protocol Stack Errors)
• @ohos.web.WebNativeMessagingExtensionAbility (Web Native Messaging Extension Ability)
• @ohos.web.WebNativeMessagingExtensionContext (Web Native Messaging Extension Context)
• @ohos.web.webNativeMessagingExtensionManager (Web Native Messaging Extension Manager)
• Components
• Attributes
• Events
• Class (ClientAuthenticationHandler)
• Class (ConsoleMessage)
• Class (ControllerHandler)
• Class (DataResubmissionHandler)
• Class (EventResult)
• Class (FileSelectorParam)
• Class (FileSelectorResult)
• Class (FullScreenExitHandler)
• Class (HttpAuthHandler)
• Class (JsGeolocation)
• Class (JsResult)
• Class (PermissionRequest)
• Class (ScreenCaptureHandler)
• Class (SslErrorHandler)
• Class (VerifyPinHandler)
• Class (WebContextMenuParam)
• Class (WebContextMenuResult)
• Class (WebCookie)
• Class (WebKeyboardController)
• Class (WebResourceError)
• Class (WebResourceRequest)
• Class (WebResourceResponse)
• Interfaces (Others)
• Enums
• Types
• Class (WebController)
• Web
• arkweb_error_code.h
• arkweb_interface.h
• arkweb_net_error_list.h
• arkweb_scheme_handler.h
• arkweb_type.h
• native_interface_arkweb.h
• ArkWeb_AnyNativeAPI
• ArkWeb_BlanklessInfo
• ArkWeb_SchemeHandler_
• ArkWeb_ResourceHandler_
• ArkWeb_Response_
• ArkWeb_ResourceRequest_
• ArkWeb_RequestHeaderList_
• ArkWeb_HttpBodyStream_
• ArkWeb_JavaScriptBridgeData
• ArkWeb_WebMessage*
• ArkWeb_JavaScriptValue*
• ArkWeb_WebMessagePort*
• ArkWeb_JavaScriptObject
• ArkWeb_ProxyMethod
• ArkWeb_ProxyMethodWithResult
• ArkWeb_ProxyObject
• ArkWeb_ProxyObjectWithResult
• ArkWeb_ControllerAPI
• ArkWeb_ComponentAPI
• ArkWeb_WebMessagePortAPI
• ArkWeb_WebMessageAPI
• ArkWeb_CookieManagerAPI
• ArkWeb_JavaScriptValueAPI
• Webview Error Codes
• @ohos.reminderAgentManager (Agent-powered Reminder)
• @ohos.resourceschedule.backgroundTaskManager (Background Task Management)
• @ohos.resourceschedule.workScheduler (Deferred Task Scheduling)
• @ohos.WorkSchedulerExtensionAbility (Deferred Task Scheduling Callbacks)
• @ohos.resourceschedule.backgroundProcessManager (Background Child Process Management)
• WorkSchedulerExtensionContext
• @ohos.backgroundTaskManager (Background Task Management)
• @ohos.bundleState (Device Usage Statistics)
• @ohos.reminderAgent (Agent-powered Reminder)
• BackgroundProcessManager
• TransientTask
• background_process_manager.h
• transient_task_api.h
• transient_task_type.h
• TransientTask_DelaySuspendInfo
• TransientTask_TransientTaskInfo
• backgroundTaskManager Error Codes
• backgroundProcessManager Error Codes
• reminderAgentManager Error Codes
• workScheduler Error Codes
• ContentEmbed
• content_embed_common.h
• content_embed_document.h
• content_embed_extension.h
• content_embed_proxy.h
• ContentEmbed_Document
• ContentEmbed_Storage
• ContentEmbed_StorageElement
• ContentEmbed_StorageElements
• ContentEmbed_Stream
• ContentEmbed_ExtensionContext
• ContentEmbed_ExtensionContext*
• ContentEmbed_ExtensionInstance
• ContentEmbed_ExtensionInstance*
• ContentEmbed_Object
• ContentEmbed_Object*
• ContentEmbed_Info
• ContentEmbed_Format
• ContentEmbed_ExtensionProxy
• ContentEmbed_Capability
• @ohos.application.BackupExtensionAbility (Backup and Restore Extension Capability)
• @ohos.file.cloudSync (Device-Cloud Sync)
• @ohos.file.cloudSyncManager (Device-Cloud Sync Management)
• @ohos.file.environment (Directory Environment Capability)
• @ohos.file.fileuri (File URI)
• @ohos.file.fs (File Management)
• @ohos.file.hash (File Hash Processing)
• @ohos.file.picker (Picker)
• @ohos.file.securityLabel (Data Label)
• @ohos.file.statvfs (File System Space Statistics)
• @ohos.file.storageStatistics (Application Storage Statistics)
• @ohos.fileshare (File Sharing)
• @ohos.file.BackupExtensionContext (Backup and Restore Extension Capability)
• @ohos.document (File Operation)
• @ohos.fileio (File Management)
• @ohos.statfs (statfs)
• @system.file (File Storage)
• Environment
• FileIO
• fileShare
• fileUri
• CloudDisk
• Archive
• oh_environment.h
• error_code.h
• oh_fileio.h
• oh_file_share.h
• oh_file_uri.h
• oh_cloud_disk_manager.h
• cloud_disk_error_code.h
• oh_archive.h
• oh_archive_errcode.h
• FileShare_PolicyErrorResult
• FileShare_PolicyInfo
• CloudDisk_ChangeData
• CloudDisk_ChangesResult
• CloudDisk_DisplayNameInfo
• CloudDisk_FailedList
• CloudDisk_FileSyncState
• CloudDisk_PathInfo
• CloudDisk_ResultList
• CloudDisk_SyncFolder
• OH_Archive_StreamInfo
• OH_Archive_Stream_Config
• ArchiveWriteCtx
• ArchiveReadCtx
• ArchiveStreamWriteCtx
• ArchiveStreamReadCtx
• File Management Error Codes
• rag (Retrieval Augmentation Generation)
• retrieval (Intelligence Data Platform)
• knowledgeProcessor (Knowledge Processing)
• localChatModel (On-Device Q&A Model)
• ArkTS API Error Codes
• AIP
• Retrieval
• aip_error_code.h
• aip_retrieval.h
• aip_retrieval_condition.h
• aip_retrieval_condition_vector.h
• aip_retrieval_query.h
• aip_retrieval_record.h
• @ohos.app.form.formBindingData (formBindingData)
• @ohos.app.form.FormExtensionAbility (FormExtensionAbility)
• @ohos.app.form.formInfo (formInfo)
• @ohos.app.form.formProvider (formProvider)
• @ohos.app.form.FormEditExtensionAbility (FormEditExtensionAbility)
• @ohos.app.form.LiveFormExtensionAbility (LiveFormExtensionAbility)
• FormExtensionContext
• FormEditExtensionContext
• LiveFormExtensionContext
• @ohos.application.formBindingData (formBindingData)
• @ohos.application.formError (formError)
• @ohos.application.formInfo (formInfo)
• @ohos.application.formProvider (formProvider)
• Widget Error Codes
• @ohos.InputMethodExtensionAbility (InputMethodExtensionAbility)
• @ohos.InputMethodExtensionContext (InputMethodExtensionContext)
• @ohos.inputMethod.Panel (Input Method Panel)
• @ohos.InputMethodSubtype (Input Method Subtype)
• @ohos.inputMethod (Input Method Framework)
• @ohos.inputMethodEngine (Input Method Service)
• @ohos.inputMethodList (Input Method List)
• @ohos.inputMethod.ExtraConfig (Input Method Extension Information)
• InputMethod
• inputmethod_attach_options_capi.h
• inputmethod_controller_capi.h
• inputmethod_cursor_info_capi.h
• inputmethod_inputmethod_proxy_capi.h
• inputmethod_private_command_capi.h
• inputmethod_text_avoid_info_capi.h
• inputmethod_text_config_capi.h
• inputmethod_text_editor_proxy_capi.h
• inputmethod_types_capi.h
• InputMethod_AttachOptions
• InputMethod_CursorInfo
• InputMethod_InputMethodProxy
• InputMethod_PrivateCommand
• InputMethod_TextAvoidInfo
• InputMethod_TextConfig
• InputMethod_TextEditorProxy
• Input Method Framework Error Codes
• @ohos.rpc (RPC)
• OHIPCParcel
• OHIPCRemoteObject
• OHIPCSkeleton
• OHIPCErrorCode
• IPCKit
• ipc_cparcel.h
• ipc_cremote_object.h
• ipc_cskeleton.h
• ipc_error_code.h
• ipc_kit.h
• OHIPCParcel
• OH_IPC_MessageOption
• OHIPCRemoteProxy
• OHIPCRemoteStub
• OHIPCDeathRecipient
• RPC Error Codes
• @ohos.i18n (Internationalization)
• @ohos.intl (Internationalization)
• @ohos.resourceManager (Resource Management)
• @ohos.sendableResourceManager (Resource Manager)
• RawFileDescriptor
• Resource
• SendableResource
• rawfile
• resourcemanager
• i18n
• ohresmgr.h
• raw_dir.h
• raw_file.h
• raw_file_manager.h
• resmgr_common.h
• timezone.h
• errorcode.h
• RawDir
• RawFileDescriptor
• RawFileDescriptor64
• RawFile
• RawFile64
• NativeResourceManager
• ResourceManager_Configuration
• DateTimeRule
• InitialTimeZoneRule
• TimeArrayTimeZoneRule
• AnnualTimeZoneRule
• TimeZoneRules
• TimeZoneRuleQuery
• I18N Error Codes
• Resource Manager Error Codes
• hdsDrawable
• symbolRegister
• hdsEffect
• hdsMaterial
• ArkTS API Error Codes
• HdsNavigation (Navigation Root View Container)
• HdsNavDestination (Navigation Child Page Container)
• HdsSideBar
• HdsSnackBar
• HdsSideMenu
• HdsActionBar
• HdsTabs
• HdsListItem
• HdsListItemCard
• HdsVisualComponent
• MultiWindowEntryInAPP
• HdsColorPicker (Color Picker Component)
• @ohos.security.asset (Asset Store Service)
• AssetApi
• AssetType
• asset_api.h
• asset_type.h
• Asset_Blob
• Asset_Value
• Asset_Attr
• Asset_Result
• Asset_ResultSet
• Asset_SyncResult
• Asset Store Service Error Code
• @hms.security.confidentialSpace (Confidential Space Service)
• ArkTS API Error Codes
• @ohos.security.cryptoFramework (Crypto Framework)
• @system.cipher (Cipher Algorithm)
• CryptoArchitectureKit
• CryptoAsymCipherApi
• CryptoAsymKeyApi
• CryptoCommonApi
• CryptoDigestApi
• CryptoKdfApi
• CryptoKeyAgreementApi
• CryptoMacApi
• CryptoRandApi
• CryptoSignatureApi
• CryptoSymCipherApi
• CryptoSymKeyApi
• crypto_architecture_kit.h
• crypto_asym_cipher.h
• crypto_asym_key.h
• crypto_common.h
• crypto_digest.h
• crypto_kdf.h
• crypto_key_agreement.h
• crypto_mac.h
• crypto_rand.h
• crypto_signature.h
• crypto_sym_cipher.h
• crypto_sym_key.h
• Crypto_DataBlob
• OH_CryptoAsymCipher
• OH_CryptoSm2CiphertextSpec
• OH_CryptoKeyPair
• OH_CryptoPubKey
• OH_CryptoPrivKey
• OH_CryptoAsymKeyGenerator
• OH_CryptoPrivKeyEncodingParams
• OH_CryptoAsymKeySpec
• OH_CryptoAsymKeyGeneratorWithSpec
• OH_CryptoEcPoint
• OH_CryptoDigest
• OH_CryptoKdf
• OH_CryptoKdfParams
• OH_CryptoKeyAgreement
• OH_CryptoMac
• OH_CryptoRand
• OH_CryptoVerify
• OH_CryptoSign
• OH_CryptoEccSignatureSpec
• OH_CryptoSymCipher
• OH_CryptoSymCipherParams
• OH_CryptoSymKey
• OH_CryptoSymKeyGenerator
• Crypto Framework Error Codes
• @ohos.dlpPermission (DLP)
• @ohos.security.identifySensitiveContent (Identifying Sensitive Content)
• DlpPermissionApi
• dlp_permission_api.h
• DLP Service Error Codes
• DeviceVerify
• SafetyDetect
• RiskControlEngine
• TrustedAppService
• BusinessRiskIntelligentDetection
• SecurityAudit
• AntifraudPicker
• TrustedAuthentication (Digital Shield)
• DlpAntiPeep
• SuperPrivacyMode
• DeviceVerify
• SafetyDetect
• RiskControlEngine
• TrustedAppService
• BusinessRiskIntelligentDetection
• SecurityAudit
• AntifraudPicker
• TrustedAuthentication (Digital Shield)
• DlpAntiPeep
• SuperPrivacyMode
• DeviceSecurityMode
• SecurityAudit
• SecurityAntivirus
• device_security_mode.h
• security_audit.h
• security_antivirus.h
• SecurityAudit_Event
• SecurityAudit_Filter
• SecurityAntivirus_Antivirus
• SecurityAudit_AuthClientConfiguration
• Verifying a Device Token
• Querying the Device Marking Status
• Updating the Device Marking Status
• Deleting the Device Marking Status
• REST API Error Codes
• fileGuard (Hierarchical File Management)
• recoveryKey (Enterprise Recovery Key)
• Enterprise Data Guard Kit Error Codes
• virusRemediation (Virus Detection and Handling)
• ArkTS API Error Codes
• FIDO
• IFAA
• SOTER
• Passkey
• DID
• FIDO
• IFAA
• SOTER
• Passkeys
• DID Service
• FIDO2 (Passkey Service)
• fido2_api.h
• AuthenticationExtensionsClientOutputs
• FIDO2_AttestationFormatsArray
• FIDO2_AuthenticatorAttestationResponse
• FIDO2_AuthenticatorMetadata
• FIDO2_AuthenticatorMetadataArray
• FIDO2_AuthenticatorResponse
• FIDO2_AuthenticatorSelectionCriteria
• FIDO2_AuthenticatorTransportArray
• FIDO2_Capability
• FIDO2_CapabilityArray
• FIDO2_CredentialCreationOptionArray
• FIDO2_CredentialCreationOptions
• FIDO2_CredentialRequestOptions
• FIDO2_PublicKeyAssertionCredential
• FIDO2_PublicKeyAttestationCredential
• FIDO2_PublicKeyCredentialCreationOptions
• FIDO2_PublicKeyCredentialDescriptor
• FIDO2_PublicKeyCredentialDescriptorArray
• FIDO2_PublicKeyCredentialHintArray
• FIDO2_PublicKeyCredentialParameters
• FIDO2_PublicKeyCredentialRequestOptions
• FIDO2_PublicKeyCredentialRpEntity
• FIDO2_PublicKeyCredentialUserEntity
• FIDO2_TokenBinding
• Uint8Buff
• @ohos.security.cert (Certificate)
• @ohos.security.certManager (Certificate Management)
• @ohos.security.certManagerDialog (Certificate Management Dialog Box)
• CertManager
• CertManagerType
• cm_native_api.h
• cm_native_type.h
• OH_CM_Blob
• OH_CM_Credential
• OH_CM_CredentialDetailList
• OH_CM_UkeyInfo
• Certificate Error Codes
• Certificate Management Error Codes
• Certificate Management Dialog Box Error Codes
• @ohos.security.huks (Universal Keystore)
• @ohos.security.huksExternalCrypto (External Key Management)
• @ohos.security.CryptoExtensionAbility (Key Extension Ability)
• HuksExternalCryptoApi
• HuksExternalCryptoTypeApi
• HuksKeyApi
• HuksParamSetApi
• HuksTypeApi
• native_huks_external_crypto_api.h
• native_huks_external_crypto_type.h
• native_huks_api.h
• native_huks_param.h
• native_huks_type.h
• OH_Huks_ExternalCryptoParam
• OH_Huks_ExternalCryptoParamSet
• OH_Huks_Result
• OH_Huks_Blob
• OH_Huks_Param
• OH_Huks_ParamSet
• OH_Huks_CertChain
• OH_Huks_KeyInfo
• OH_Huks_PubKeyInfo
• OH_Huks_KeyMaterialRsa
• OH_Huks_KeyMaterialEcc
• OH_Huks_KeyMaterialDsa
• OH_Huks_KeyMaterialDh
• OH_Huks_KeyMaterial25519
• OH_Huks_KeyAliasSet
• HUKS Error Codes
• @ohos.userIAM.userAuth (User Authentication)
• @ohos.userIAM.userAuthIcon (Embedded User Authentication Icons)
• User Authentication Error Codes
• accessoryAccessManager (Accessory Integration Management)
• @ohos.bluetooth.a2dp (Bluetooth A2DP Module)
• @ohos.bluetooth.access (Bluetooth Access Module)
• @ohos.bluetooth.baseProfile (Bluetooth baseProfile Module)
• @ohos.bluetooth.ble (Bluetooth BLE Module)
• @ohos.bluetooth.connection (Bluetooth Connection Module)
• @ohos.bluetooth.constant (Bluetooth Constant Module)
• @ohos.bluetooth.common (Bluetooth Common Module)
• @ohos.bluetooth.hfp (Bluetooth HFP Module)
• @ohos.bluetooth.hid (Bluetooth HID Module)
• @ohos.bluetooth.pan (Bluetooth PAN Module)
• @ohos.bluetooth.socket (Bluetooth Socket Module)
• @ohos.bluetooth.pbap (Bluetooth PBAP Module)
• @ohos.bluetooth.map (Bluetooth MAP Module)
• @ohos.connectedTag (Active Tags)
• @ohos.nfc.cardEmulation (Standard NFC Card Emulation)
• @ohos.nfc.controller (Standard NFC)
• @ohos.nfc.tag (Standard NFC Tags)
• @ohos.secureElement (SE Management)
• @ohos.wifiManager (WLAN)
• @ohos.wifiManagerExt (WLAN Extension)
• @ohos.FusionConnectivity.partnerAgent (Device Status Notification Module)
• @ohos.FusionConnectivity.PartnerAgentExtensionContext (Context for Device Status Notifications)
• @ohos.FusionConnectivity.PartnerAgentExtensionAbility (ExtensionAbility Component Supporting Device Status Notifications)
• @ohos.FusionConnectivity.ranging (Fusion Connectivity Ranging Module)
• @ohos.nearlink.manager (Basic NearLink Management Capability)
• @ohos.nearlink.remoteDevice (NearLink Remote Device Connection Capability)
• @ohos.nearlink.advertising (NearLink Advertising Capability)
• @ohos.nearlink.scan (NearLink Scanning Capability)
• @ohos.nearlink.ssap (NearLink SSAP Connection Capability)
• @ohos.nearlink.dataTransfer (NearLink Data Transfer Capability)
• @ohos.nearlink.cdsm (CDSM Capability)
• @ohos.nearlink.constant (NearLink Common Constants)
• nfctech (Standard NFC Technologies)
• tagSession (Standard NFC Tag Session)
• Bluetooth
• Wifi
• oh_bluetooth.h
• oh_wifi.h
• Bluetooth Error Codes
• Wi-Fi Error Codes
• NFC Error Codes
• SecureElement Error Codes
• Error Codes of the Converged Short-Range Service Subsystem
• NearLink Error Codes
• @ohos.bluetooth (Bluetooth)
• @ohos.bluetoothManager (Bluetooth)
• @ohos.wifi (WLAN)
• @ohos.wifiext (WLAN Extension)
• @system.bluetooth (Bluetooth)
• @ohos.distributedDeviceManager (Device Management)
• @ohos.distributedsched.abilityConnectionManager (Cross-Device Connection Management)
• @ohos.application.DistributedExtensionAbility (Distributed Extension)
• @ohos.application.DistributedExtensionContext (Distributed Extension Context)
• @ohos.distributedsched.linkEnhance (Enhanced Connection)
• @ohos.distributedsched.proxyChannelManager (Proxy Channel Management)
• DeviceManager
• oh_device_manager.h
• oh_device_manager_err_code.h
• Device Management Error Codes
• Link Enhancement Error Codes
• Proxy Channel Management Error Codes
• manager (NearLink Enabling Capability)
• remoteDevice (Capability to Connect to a Remote Device)
• advertising (NearLink Advertising Capability)
• scan (NearLink Scanning Capability)
• ssap (NearLink SSAP Connection Capability)
• dataTransfer (NearLink Data Transfer Capability)
• cdsm (NearLink Collaborative Device Set Management Capability)
• constant (NearLink Common Constants)
• ArkTS API Error Codes
• @ohos.net.connection (Network Connection Management)
• @ohos.net.ethernet (Ethernet Connection Management)
• @ohos.net.http (Data Request)
• @ohos.net.mdns (mDNS Management)
• @ohos.net.policy (Network Policy Management)
• @ohos.net.socket (Socket Connection)
• @ohos.net.statistics (Traffic Management)
• @ohos.net.sharing (Network Sharing)
• @ohos.net.vpnExtension (Enhanced VPN Management)
• @ohos.net.vpn (VPN Management)
• @ohos.net.webSocket (WebSocket Connection)
• @ohos.net.netFirewall (Network Firewall)
• @ohos.net.networkSecurity (Network Security)
• @ohos.net.eap (Extensible Authentication)
• @ohos.app.ability.VpnExtensionAbility (Enhanced VPN Management)
• VpnExtensionContext
• TrafficFilter
• NetConnection
• Netstack
• NetEthernet
• net_connection.h
• net_connection_type.h
• net_ssl_c.h
• net_ssl_c_type.h
• net_trafficfilter.h
• net_trafficfilter_type.h
• net_websocket.h
• net_websocket_type.h
• net_http.h
• net_http_type.h
• http_interceptor.h
• http_interceptor_type.h
• net_ethernet.h
• net_ethernet_type.h
• NetConn_NetHandle
• NetConn_NetCapabilities
• NetConn_NetAddr
• NetConn_Route
• NetConn_HttpProxy
• NetConn_ConnectionProperties
• NetConn_NetHandleList
• NetConn_NetSpecifier
• NetConn_NetConnCallback
• NetConn_ProbeResultInfo
• NetConn_TraceRouteInfo
• NetConn_TraceRouteOption
• NetStack_CertBlob
• NetStack_CertificatePinning
• NetStack_Certificates
• WebSocket
• WebSocket_CloseResult
• WebSocket_CloseOption
• WebSocket_ErrorResult
• WebSocket_OpenResult
• WebSocket_Header
• WebSocket_RequestOptions
• Http_Buffer
• Http_HeaderValue
• Http_HeaderEntry
• Http_ClientCert
• Http_CustomProxy
• Http_Proxy
• Http_PerformanceTiming
• Http_RequestOptions
• Http_Response
• Http_Request
• Http_EventsHandler
• Http_Headers
• OH_TrafficFilter_IPAddress
• OH_TrafficFilter_IPCidr
• OH_TrafficFilter_IPRange
• OH_TrafficFilter_IPMulti
• OH_TrafficFilter_IPMatch
• OH_TrafficFilter_InterfaceMatch
• OH_TrafficFilter_PortRange
• OH_TrafficFilter_PortMulti
• OH_TrafficFilter_PortMatch
• OH_TrafficFilter_ConnectionInfo
• OH_TrafficFilter_ProcessInfo
• OH_TrafficFilter_RedirectRule
• OH_TrafficFilter_Redirector
• OH_Http_Interceptor_Headers
• OH_Http_Interceptor_Request
• OH_Http_Interceptor_Response
• OH_Http_Interceptor
• Ethernet_MacAddressInfo
• Ethernet_MacAddrInfoList
• Ethernet_NetAddr
• Ethernet_NetAddrInfo
• Ethernet_NetAddrList
• @system.network (Network State)
• @system.fetch (Data Request)
• HTTP Error Codes
• Socket Error Codes
• WebSocket Error Codes
• Network Connection Management Error Codes
• Ethernet Connection Error Codes
• Extensible Authentication Error Codes
• Network Sharing Error Codes
• Policy Management Error Codes
• mDNS Error Codes
• Traffic Management Error Codes
• VPN Error Codes
• Network Security Error Codes
• Kernel Error Codes
• Firewall Error Codes
• netQuality (Network Quality)
• netHandover (Network Handover)
• netBoost (Network Acceleration)
• ArkTS API Error Codes
• NetworkBoost
• network_boost_handover.h
• network_boost_quality.h
• network_boost.h
• HMS_NetworkBoost_HandoverCallback
• NetworkBoost_DataSpeedAction
• NetworkBoost_HandoverComplete
• NetworkBoost_HandoverStart
• NetworkBoost_NetHandle
• NetworkBoost_NetworkQos
• NetworkBoost_NetworkQosArray
• NetworkBoost_NetworkScene
• NetworkBoost_WeakSignalPrediction
• NetworkBoost_MultiPathQuota
• NetworkBoost_MultiPathQuotaInfo
• NetworkBoost_MultiPathRecommendation
• NetworkBoost_MultiPathRequestResult
• NetworkBoost_MultiPathStateChange
• NetworkBoost_SceneDesc
• rcp (Data Requests)
• Unified Remote Procedure Call (URPC): High-Performance RPC Communication Library
• RemoteCommunication
• rcp.h
• rcp_quic.h
• Rcp_Buffer
• Rcp_CertificateAuthority
• Rcp_ClientCertificate
• Rcp_Configuration
• Rcp_ConnectionConfiguration
• Rcp_ContentOrPathOrCallback
• Rcp_CookieAttributeEntry
• Rcp_Credential
• Rcp_DebugInfo
• Rcp_DnsConfiguration
• Rcp_DnsOverHttps
• Rcp_DnsRule
• Rcp_DnsServers
• Rcp_EventsHandler
• Rcp_Exclusions
• Rcp_FormFieldFileValue
• Rcp_FormFieldValue
• Rcp_FormOrder
• Rcp_HeaderEntry
• Rcp_HeaderValue
• Rcp_InfoToCollect
• Rcp_Interceptor
• Rcp_InterceptorArray
• Rcp_IpAddress
• Rcp_IpAndPort
• Rcp_MultipartFormFieldValue
• Rcp_OnDataReceiveCallback
• Rcp_OnHeaderReceiveCallback
• Rcp_OnProgressCallback
• Rcp_OnVoidCallback
• Rcp_ProxyConfiguration
• Rcp_Request
• Rcp_RequestContent
• Rcp_RequestCookieEntry
• Rcp_Response
• Rcp_ResponseCallbackObject
• Rcp_ResponseCookies
• Rcp_SecurityConfiguration
• Rcp_ServerAuthentication
• Rcp_SessionConfiguration
• Rcp_SessionListener
• Rcp_StaticDnsRule
• Rcp_StaticDnsRuleItem
• Rcp_SyncInterceptor
• Rcp_SyncInterceptorArray
• Rcp_TimeInfo
• Rcp_Timeout
• Rcp_TracingConfiguration
• Rcp_TransferConfiguration
• Rcp_TransferRange
• Rcp_Urls
• Rcp_WebProxy
• Rcp_OnBinaryReceiveCallback
• Rcp_OnStatusCodeReceiveCallback
• Rcp_OnGetDataCallback
• Rcp_QuicSlist
• Rcp_QuicIpAddress
• Rcp_QuicIoVec
• Rcp_QuicStreamData
• API Error Codes
• Key Fields in Fault Logs
• @hms.collaboration.serviceInteraction (OneHop)
• CollaborationCamera (Device Interconnectivity Component)
• CollaborationService (Device Interconnectivity Component)
• CollaborationDevicePicker (Hopping Control)
• devicePicker (Device Selection Controller)
• ServiceCollaboration
• service_collaboration_api.h
• ServiceCollaboration_CollaborationDeviceInfo
• ServiceCollaboration_CollaborationDeviceInfoSets
• ServiceCollaboration_SelectInfo
• ServiceCollaborationCallback
• ServiceCollaboration_SelectInfoV2
• Error Codes
• @ohos.telephony.call (Call)
• @ohos.telephony.data (Cellular Data)
• @ohos.telephony.esim (eSIM Management)
• @ohos.telephony.observer (Telephony Status Observer)
• @ohos.telephony.radio (Network Search)
• @ohos.telephony.sim (SIM Management)
• @ohos.telephony.sms (SMS)
• @ohos.telephony.vcard (VCard)
• Telephony
• telephony_data.h
• telephony_radio.h
• telephony_radio_type.h
• Telephony_NetworkState
• Telephony Error Codes
• @ohos.account.appAccount (Application Account Management)
• @ohos.account.distributedAccount (Distributed Account Management)
• @ohos.account.osAccount (OS Account Management)
• @ohos.batteryInfo (Battery Information)
• @ohos.busManager.serial (Serial Port Management)
• @ohos.deviceInfo (Device Information)
• @ohos.power (Power Management)
• @ohos.runningLock (RunningLock)
• @ohos.thermal (Thermal Management)
• @ohos.usbManager (USB Manager)
• @ohos.usbManager.serial (Serial Port Management)
• @ohos.app.ability.PrintExtensionAbility (PrintExtensionAbility)
• PrintExtensionContext
• @ohos.pasteboard (Pasteboard)
• @ohos.print (Print)
• @ohos.scan (Scan)
• @ohos.request (Upload and Download)
• @ohos.request.cacheDownload (Download and Cache)
• @ohos.zlib (Zip)
• @ohos.selectionInput.SelectionExtensionAbility (SelectionExtensionAbility)
• @ohos.selectionInput.SelectionExtensionContext (Word Selection Extension Context)
• @ohos.selectionInput.selectionManager (Word Selection Management)
• @ohos.selectionInput.SelectionPanel (Word Selection Panel)
• System Common Events
• @ohos.commonEventManager (Common Event)
• @ohos.events.emitter (Emitter)
• CommonEventData
• CommonEventPublishData
• CommonEventSubscriber
• CommonEventSubscribeInfo
• @ohos.base (Public Callback Information)
• @ohos.annotation (Annotation)
• @ohos.customization.customConfig (Custom Configurations)
• @ohos.settings (Data Item Settings)
• @ohos.settingsLite (Setting Information)
• @ohos.wallpaper (Wallpaper)
• @ohos.resourceschedule.systemload (System Load Level Management)
• @ohos.systemDateTime (System Time and Time Zone)
• @ohos.intelligentScene (Intelligent Scene)
• System Common Events
• @ohos.commonEvent (Common Event)
• @ohos.usb (USB Manager) (No Longer Maintained)
• @system.brightness (Screen Brightness)
• @system.battery (Battery Information)
• @system.device (Device Information)
• @system.request (Upload and Download)
• @ohos.screenLock (Screen Lock)
• @ohos.systemTime (System Time and Time Zone)
• OH_CommonEvent
• DeviceInfo
• OsAccount
• OH_BatteryInfo
• OH_Scan
• OH_Print
• Pasteboard
• TimeService
• deviceinfo.h
• ohbattery_info.h
• oh_commonevent.h
• oh_commonevent_support.h
• oh_pasteboard.h
• oh_pasteboard_err_code.h
• os_account.h
• os_account_common.h
• ohprint.h
• ohscan.h
• time_service.h
• CommonEvent_SubscribeInfo
• CommonEvent_PublishInfo
• CommonEvent_RcvData
• Pasteboard_ProgressInfo
• Pasteboard_GetDataParams
• OH_PasteboardObserver
• OH_Pasteboard
• Print_Margin
• Print_PageSize
• Print_Range
• Print_DefaultValue
• Print_PrinterCapability
• Print_PrinterInfo
• Print_PrintJob
• Print_Property
• Print_PropertyList
• Print_Resolution
• Print_StringList
• Print_PrintAttributes
• Print_PrintDocCallback
• Scan_ScannerDevice
• Scan_PictureScanProgress
• Scan_ScannerOptions
• USB Error Codes
• Serial Port Management Error Codes
• Running Lock Error Codes
• zlib Error Codes
• Pasteboard Error Codes
• Thermal Manager Error Codes
• Upload and Download Error Codes
• Time and Time Zone Service Error Codes
• Common Event Error Codes
• Power Manager Error Codes
• Account Management Error Codes
• Print Service Error Codes
• Settings Error Codes
• Word Selection Error Codes
• Intelligent Scene Error Codes
• deviceInfo Error Codes
• statusBarManager (Status Bar Management Service)
• StatusBarViewExtensionAbility (Status Bar Extension Ability)
• quickBarManager (Quick Bar Management Service)
• ArkTS API Error Codes
• @hms.fast.mathPrediction (Mathematical Prediction)
• @hms.fast.schedulingOptimization (System Performance Optimization)
• ArkTS API Error Codes
• FAST
• fast_ads_concurrent_hashmap.h
• fast_ads_segment_map.h
• fast_common_def.h
• fast_dsp_common.h
• fast_dsp_transform.h
• fast_solver_polynomial.h
• fast_solver_rect_partition.h
• fast_collections_hashmap.h
• fast_utils_algorithm.h
• scheduling_optimization.h
• FAST_BiquadCoefficients
• FAST_BiquadCoefficientsD
• FAST_Biquadm
• FAST_BiquadmD
• FAST_BiquadState
• FAST_BiquadStateD
• FAST_Poly
• FAST_Rect
• FAST_SplitComplex
• FAST_SplitComplexD
• HMS_FAST_SortData
• FFRT
• condition_variable.h
• loop.h
• mutex.h
• queue.h
• shared_mutex.h
• sleep.h
• task.h
• timer.h
• fiber.h
• type_def.h
• ffrt_function_header_t
• ffrt_dependence_t
• ffrt_deps_t
• ffrt_task_attr_t
• ffrt_queue_attr_t
• ffrt_condattr_t
• ffrt_mutexattr_t
• ffrt_rwlockattr_t
• ffrt_mutex_t
• ffrt_rwlock_t
• ffrt_cond_t
• ffrt_loop_t
• ffrt_queue_t
• ffrt_task_handle_t
• ffrt_fiber_t
• @ohos.multimodalInput.inputDevice (Input Device)
• @ohos.multimodalInput.inputEvent (Input Event)
• @ohos.multimodalInput.intentionCode (Intention Code)
• @ohos.multimodalInput.keyCode (Key Code)
• @ohos.multimodalInput.keyEvent (Key Event)
• @ohos.multimodalInput.mouseEvent (Mouse Event)
• @ohos.multimodalInput.gestureEvent (Gesture Event)
• @ohos.multimodalInput.pointer (Mouse Pointer)
• @ohos.multimodalInput.touchEvent (Touch Event)
• @ohos.multimodalInput.infraredEmitter (IR Management)
• @ohos.multimodalInput.inputConsumer (Global Shortcut Keys)
• @ohos.multimodalInput.inputEventClient (Input Event Injection)
• input
• oh_axis_type.h
• oh_input_manager.h
• oh_key_code.h
• oh_pointer_style.h
• Input_InterceptorEventCallback
• Input_DeviceListener
• OH_PixelmapNative
• Input_KeyState
• Input_KeyEvent
• Input_MouseEvent
• Input_TouchEvent
• Input_AxisEvent
• Input_Hotkey
• Input_DeviceInfo
• Input_InterceptorOptions
• Input_CursorConfig
• Input_CustomCursor
• Input_CursorInfo
• Global Shortcut Key Error Codes
• Input Device Error Codes
• Mouse Pointer Error Codes
• IR Management Error Codes
• Input Event Injection Error Codes
• @ohos.enterprise.accountManager (Account Management)
• @ohos.enterprise.adminManager (Administrator Permission Management)
• @ohos.enterprise.applicationManager (Application Management)
• @ohos.enterprise.bluetoothManager (Bluetooth Management)
• @ohos.enterprise.browser (Browser Management)
• @ohos.enterprise.bundleManager (Bundle Management)
• @ohos.enterprise.common (Common Module)
• @ohos.enterprise.deviceControl (Device Control Management)
• @ohos.enterprise.deviceInfo (Device Information Management)
• @ohos.enterprise.deviceSettings (Device Settings Management)
• @ohos.enterprise.locationManager (Location Service Management)
• @ohos.enterprise.networkManager (Network Management)
• @ohos.enterprise.restrictions (Restrictions)
• @ohos.enterprise.securityManager (Security Management)
• @ohos.enterprise.systemManager (System Management)
• @ohos.enterprise.usbManager (USB Management)
• @ohos.enterprise.wifiManager (Wi-Fi Management)
• @ohos.enterprise.EnterpriseAdminExtensionAbility (Enterprise Device Management Extension Ability)
• @ohos.enterprise.telephonyManager (Telephony Management)
• EnterpriseAdminExtensionContext (Enterprise Device Management Extension Context)
• Enterprise Device Management Error Codes
• QoS
• qos.h
• OH_QoS_GewuCreateSessionResult
• OH_QoS_GewuSubmitRequestResult
• hotspot-accelerate
• linx_hotspot.h
• Hotspot Accelerate Error Codes
• deviceDetection (Device Hardware Consistency Check)
• ArkTS API Error Codes
• navigationInfoMgr (Navigation Information Management)
• smartMobilityCommon (Smart Mobility)
• ArkTS API Error Codes
• naviTurnMode
• trafficLane
• @ohos.app.ability.DriverExtensionAbility (Driver Extension Ability)
• @ohos.driver.deviceManager (Peripheral Management)
• DriverExtensionContext
• Ddk
• HidDdk
• ScsiPeripheralDDK
• UsbDdk
• USBSerialDDK
• ddk_api.h
• ddk_types.h
• hid_ddk_api.h
• hid_ddk_types.h
• scsi_peripheral_api.h
• scsi_peripheral_types.h
• usb_ddk_api.h
• usb_ddk_types.h
• usb_serial_api.h
• usb_serial_types.h
• DDK_Ashmem
• Hid_EmitItem
• Hid_Device
• Hid_EventTypeArray
• Hid_KeyCodeArray
• Hid_AbsAxesArray
• Hid_RelAxesArray
• Hid_MscEventArray
• Hid_EventProperties
• Hid_RawDevInfo
• Hid_DeviceHandle
• ScsiPeripheral_DeviceMemMap
• ScsiPeripheral_IORequest
• ScsiPeripheral_Request
• ScsiPeripheral_Response
• ScsiPeripheral_TestUnitReadyRequest
• ScsiPeripheral_InquiryRequest
• ScsiPeripheral_InquiryInfo
• ScsiPeripheral_ReadCapacityRequest
• ScsiPeripheral_CapacityInfo
• ScsiPeripheral_RequestSenseRequest
• ScsiPeripheral_BasicSenseInfo
• ScsiPeripheral_VerifyRequest
• ScsiPeripheral_Device
• UsbControlRequestSetup
• UsbDeviceDescriptor
• UsbConfigDescriptor
• UsbInterfaceDescriptor
• UsbEndpointDescriptor
• UsbDdkEndpointDescriptor
• UsbDdkInterfaceDescriptor
• UsbDdkInterface
• UsbDdkConfigDescriptor
• UsbRequestPipe
• UsbDeviceMemMap
• Usb_DeviceArray
• Usb_NonRootHubArray
• UsbSerial_Params
• UsbSerial_Device
• Driver Error Codes
• @ohos.stationary (Device Status Awareness Framework)
• @ohos.multimodalAwareness.motion (Motion Awareness)
• @ohos.multimodalAwareness.metadataBinding (Metadata Binding)
• @ohos.multimodalAwareness.deviceStatus (Device Status Awareness)
• @ohos.multimodalAwareness.userStatus (User Status Awareness)
• Motion Awareness Error Codes
• Metadata Binding Error Codes
• Device Status Awareness Error Codes
• User Status Awareness Error Codes
• HandwriteController (Handwriting Suite Function)
• PointPredictor (Point Prediction Function)
• InstantShapeGenerator (Instant Shape Function)
• imageFeaturePicker (Global Color Picker Function)
• stylusInteraction (Stylus Interaction Function)
• StylusFrameBoost (Stylus Frame Boost)
• HandwriteComponent (Handwriting Suite Components)
• GlobalColorPicker
• HandWrite
• native_gcp_api.h
• native_handwrite_api.h
• HMS_GCP_Color
• HMS_GCP_PickedColorInfo
• HandWrite_HistoricalPoint
• ArkTS API Error Codes
• @ohos.sensor (Sensor)
• @ohos.vibrator (Vibrator)
• @system.sensor (Sensor)
• @system.vibrator (Vibrator)
• Sensor
• Vibrator
• oh_sensor.h
• oh_sensor_type.h
• vibrator.h
• vibrator_type.h
• Sensor_Info
• Sensor_Event
• Sensor_SubscriptionId
• Sensor_SubscriptionAttribute
• Sensor_Subscriber
• Vibrator_Attribute
• Vibrator_FileDescription
• Sensor Error Codes
• Vibrator Error Codes
• @ohos.distributedHardware.mechanicManager (Mechanic Manager)
• Mechanic Manager Error Codes
• wearEngine (Wearable Capabilities)
• wearEngineLite (Wearable Capabilities) (Lite)
• ArkTS API Error Codes
• aodNaviManager (AOD Navigation Service)
• ArkTS API Error Codes
• @ohos.hichecker (HiChecker)
• @ohos.hidebug (HiDebug)
• @ohos.hilog (HiLog)
• @ohos.hiTraceChain (HiTraceChain)
• @ohos.hiTraceMeter (HiTraceMeter)
• @ohos.hiviewdfx.FaultLogExtensionAbility (Delayed Fault Notification)
• @ohos.hiviewdfx.FaultLogExtensionContext (Delayed Fault Notification Context)
• @ohos.hiviewdfx.hiAppEvent (Application Event Logging)
• @ohos.hiviewdfx.hiRetrieval (Application Grayscale)
• @ohos.hiviewdfx.jsLeakWatcher (ArkTS Leak Watcher)
• @ohos.bytrace (ByTrace)
• @ohos.hiAppEvent (HiAppEvent)
• @ohos.faultLogger (FaultLogger)
• HiAppEvent
• HiCollie
• HiDebug
• HiLog
• HiTrace
• hiappevent.h
• hiappevent_cfg.h
• hiappevent_event.h
• hiappevent_param.h
• hicollie.h
• hidebug.h
• hidebug_type.h
• log.h
• trace.h
• HiAppEvent_AppEventInfo
• HiAppEvent_AppEventGroup
• ParamListNode*
• HiAppEvent_Watcher
• HiAppEvent_Processor
• HiAppEvent_Config
• HiCollie_DetectionParam
• HiCollie_SetTimerParam
• HiDebug_ThreadCpuUsage
• HiDebug_SystemMemInfo
• HiDebug_NativeMemInfo
• HiDebug_MemoryLimit
• OH_HiDebug_RequestTraceConfig
• HiDebug_JsStackFrame
• HiDebug_NativeStackFrame
• HiDebug_StackFrame
• HiDebug_MallocDispatch
• HiDebug_Backtrace_Object__*
• HiDebug_GraphicsMemorySummary
• HiDebug_ProcessSamplerConfig
• OH_HiDebug_ResProfilerConfig
• OH_HiDebug_ProfilingResult
• HiTraceId
• FaultLogger Error Codes
• HiAppEvent Error Codes
• HiDebug Error Codes
• HiDebug CpuUsage Error Codes
• HiDebug Trace Error Codes
• HiCollie Error Codes
• JsLeakWatcher Error Codes
• Application Grayscale Error Codes
• @ohos.app.ability.abilityDelegatorRegistry (AbilityDelegatorRegistry)
• @ohos.application.testRunner (TestRunner)
• @ohos.UiTest
• @ohos.test.PerfTest
• AbilityDelegator
• AbilityDelegatorArgs
• ShellCmdResult
• @ohos.application.abilityDelegatorRegistry (AbilityDelegatorRegistry)
• UiTest Error Codes
• PerfTest Error Codes
• Module Description
• Functions
• Interface (AudioCapturer)
• Interface (AudioDebuggingManager)
• Interface (AudioDeviceEnhanceManager)
• Interface (AudioManager)
• Interface (AudioRecordingManager)
• Interface (AudioRenderer)
• Interface (AudioRoutingManager)
• Interface (AudioSessionManager)
• Interface (AudioSpatializationManager)
• Interface (AudioStreamManager)
• Interface (AudioVolumeGroupManager)
• Interface (AudioVolumeManager)
• Interface (AudioLoopback)
• Interfaces (Others)
• Enums
• Constants
• Types
• @ohos.multimedia.audioHaptic (Audio-Haptic)
• @ohos.multimedia.systemSoundManager (System Sound Management)
• SystemSoundPlayer (Sound Effect Player)
• @ohos.multimedia.avVolumePanel (Volume Panel)
• OHAudio
• OHAudioSuite
• OHMIDI
• native_audiocapturer.h
• native_audio_manager.h
• native_audio_routing_manager.h
• native_audio_session_manager.h
• native_audio_stream_manager.h
• native_audio_volume_manager.h
• native_audiorenderer.h
• native_audio_common.h
• native_audio_accessory_common.h
• native_audio_accessory_manager.h
• native_audio_accessory_input_stream_manager.h
• native_audio_converter.h
• native_audio_device_base.h
• native_audio_debugging_manager.h
• native_audio_device_enhance_manager.h
• native_audio_resource_manager.h
• native_audiostream_base.h
• native_audiostreambuilder.h
• native_audio_suite_base.h
• native_audio_suite_engine.h
• native_audio_session_base.h
• native_midi_base.h
• native_midi.h
• OH_AudioManager
• OH_AudioRoutingManager
• OH_AudioSession_Strategy
• OH_AudioSession_DeactivatedEvent
• OH_AudioSession_StateChangedEvent
• OH_AudioSessionManager
• OH_AudioStreamManager
• OH_AudioVolumeManager
• OH_AudioDeviceDescriptorArray
• OH_AudioDeviceDescriptor
• OH_AudioDebuggingManager
• OH_AudioDeviceEnhanceManager
• OH_AudioResourceManager
• OH_AudioWorkgroup
• OH_AudioAccessoryManager
• OH_AudioAccessory
• OH_AudioAccessoryInputStream
• OH_AudioAccessoryInfo
• OH_AudioAccessoryNoiseReductionCapability
• OH_AudioAccessoryCapabilities
• OH_AudioStreamInfo
• OH_AudioRenderer_Callbacks_Struct
• OH_AudioCapturer_Callbacks_Struct
• OH_AudioStreamBuilderStruct
• OH_AudioRendererStruct
• OH_AudioCapturerStruct
• OH_AudioFormat
• OH_AudioDataArray
• OH_EqualizerFrequencyBandGains
• OH_AudioSuiteEngineStruct
• OH_AudioSuitePipelineStruct
• OH_AudioNodeStruct
• OH_AudioNodeBuilderStruct
• OH_AudioSuite_SpaceRenderPositionParams
• OH_AudioSuite_PureVoiceChangeOption
• OH_AudioSuite_SpaceRenderExtensionParams
• OH_AudioSuite_SpaceRenderRotationParams
• OH_AudioConverter_Format
• OH_AudioConverterStruct
• OH_MIDIEvent
• OH_MIDIDeviceInformation
• OH_MIDIPortInformation
• OH_MIDIPortDescriptor
• OH_MIDICallbacks
• OH_MIDIClientStruct
• OH_MIDIDeviceStruct
• Audio Error Codes
• AVCapability
• AudioCodec
• CodecBase
• Core
• VideoDecoder
• VideoEncoder
• AVDemuxer
• AVMuxer
• AVSource
• Multimedia_Drm
• native_avcapability.h
• native_avcodec_audiocodec.h
• native_avcodec_base.h
• media_types.h
• native_audio_channel_layout.h
• native_audio_vivid.h
• native_avbuffer.h
• native_avbuffer_info.h
• native_averrors.h
• native_avformat.h
• native_avmemory.h
• native_avcodec_videobase.h
• native_avcodec_videodecoder.h
• native_avcodec_videoencoder.h
• native_avdemuxer.h
• native_avmuxer.h
• native_avsource.h
• native_cencinfo.h
• OH_AVRange
• OH_AVCapability
• OH_AVCodecAsyncCallback
• OH_AVCodecCallback
• OH_AVDataSource
• OH_AVDataSourceExt
• NativeWindow
• OH_AVCodec
• OH_AVBuffer
• OH_AVCodecBufferAttr
• OH_AVFormat
• OH_AVMemory
• OH_AVDemuxer
• DRM_MediaKeySystemInfo
• OH_AVMuxer
• OH_AVSource
• DrmSubsample
• OH_AVCencInfo
• OH_CartesianPosition
• OH_PolarPosition
• OH_AudioObjectPosition
• OH_AudioVividMetaBuilderStruct
• AudioDecoder
• AudioEncoder
• avcodec_audio_channel_layout.h
• native_avcodec_audiodecoder.h
• native_avcodec_audioencoder.h
• Module Description
• Functions
• Class (AVCastPickerHelper)
• Interface (AVCastController)
• Interface (AVSession)
• Interface (AVSessionController)
• Interfaces (Others)
• Enums
• Types
• @ohos.multimedia.avCastPickerParam (AVCastPicker Parameters)
• Module Description
• Functions
• Class (AVMusicTemplate)
• Class (AVMusicTemplateController)
• Interfaces (Others)
• Enums
• Types
• @ohos.multimedia.avCastPicker (AVCastPicker)
• @ohos.multimedia.avInputCastPicker (AVInputCastPicker)
• OHAVSession
• native_avmetadata.h
• native_avsession.h
• native_avsession_errors.h
• native_avcastcontroller.h
• native_avplaybackstate.h
• native_avqueueitem.h
• native_avsession_base.h
• native_deviceinfo.h
• OH_AVMetadataBuilderStruct
• OH_AVMetadataStruct
• AVSession_PlaybackPosition
• OH_AVSession
• OH_AVCastController
• OH_AVSession_AVPlaybackState
• OH_AVSession_AVQueueItem
• OH_AVSession_AVMediaDescription
• OH_AVSession_AVMediaDescriptionBuilder
• AVSession_OutputDeviceInfo
• AVSession_DeviceInfo
• AVSession Management Error Codes
• Audio Template Error Codes
• Module Description
• Functions
• Interface (Aperture)
• Interface (ApertureQuery)
• Interface (AutoDeviceSwitch)
• Interface (AutoDeviceSwitchQuery)
• Interface (AutoExposure)
• Interface (AutoExposureQuery)
• Interface (CameraInput)
• Interface (CameraManager)
• Interface (CameraOutput)
• Interface (CapturePhoto)
• Interface (ColorManagement)
• Interface (ColorManagementQuery)
• Interface (ControlCenter)
• Interface (ControlCenterQuery)
• Interface (Flash)
• Interface (FlashQuery)
• Interface (Focus)
• Interface (FocusQuery)
• Interface (Macro)
• Interface (MacroQuery)
• Interface (ManualExposure)
• APIs (ManualExposureQuery)
• APIs (ManualFocus)
• Interface (ManualFocusQuery)
• APIs (ManualIso)
• Interface (ManualIsoQuery)
• Interface (MetadataOutput)
• Interface (OIS)
• Interface (OISQuery)
• Interface (Photo)
• Interface (PhotoOutput)
• Interface (PhotoSession)
• Interface (PreviewOutput)
• Interface (SecureSession)
• Interface (Session)
• Interface (Stabilization)
• Interface (StabilizationQuery)
• Interface (VideoOutput)
• Interface (VideoSession)
• Interface (WhiteBalance)
• Interface (WhiteBalanceQuery)
• Interface (Zoom)
• Interface (ZoomQuery)
• Interfaces (Others)
• Enums
• Types
• Deprecated Interface (CaptureSession, deprecated)
• @ohos.multimedia.cameraPicker (Camera Picker)
• OH_Camera
• camera.h
• camera_device.h
• camera_input.h
• camera_manager.h
• capture_session.h
• metadata_output.h
• metadata_object_ext.h
• photo_native.h
• photo_output.h
• preview_output.h
• video_output.h
• Camera_Size
• Camera_Profile
• Camera_FrameRateRange
• Camera_VideoProfile
• Camera_OutputCapability
• Camera_Device
• Camera_DeviceQueryInfo
• Camera_StatusInfo
• Camera_Point
• Camera_Location
• Camera_PhotoCaptureSetting
• OH_Camera_PhotoCaptureSettingExt
• Camera_FrameShutterInfo
• Camera_CaptureEndInfo
• Camera_Rect
• OH_Camera_Rect_Ext
• Camera_MetadataObject
• OH_Camera_MetadataObjectExt
• Camera_TorchStatusInfo
• Camera_SmoothZoomInfo
• Camera_CaptureStartInfo
• Camera_FrameShutterEndInfo
• Camera_FoldStatusInfo
• Camera_AutoDeviceSwitchStatusInfo
• Camera_ConcurrentInfo
• Camera_ControlCenterStatusInfo
• Camera_Manager
• CameraInput_Callbacks
• Camera_Input
• CameraManager_Callbacks
• CaptureSession_Callbacks
• Camera_CaptureSession
• MetadataOutput_Callbacks
• Camera_MetadataOutput
• OH_PhotoNative
• PhotoOutput_Callbacks
• Camera_PhotoOutput
• PreviewOutput_Callbacks
• Camera_PreviewOutput
• VideoOutput_Callbacks
• Camera_VideoOutput
• Camera_OcclusionDetectionResult
• OH_Camera_ZoomRange
• OH_Camera_PhysicalAperture
• OH_Camera_ZoomPointInfo
• Camera Error Codes
• Module Description
• Functions
• Interface (MediaKeySession)
• Interface (MediaKeySystem)
• Interfaces (Others)
• Enums
• Drm
• native_drm_common.h
• native_drm_err.h
• native_mediakeysession.h
• native_mediakeysystem.h
• DRM_MediaKeyRequestInfo
• DRM_MediaKeyRequest
• DRM_Statistics
• DRM_OfflineMediakeyIdArray
• DRM_KeysInfo
• DRM_MediaKeyStatus
• DRM_PsshInfo
• DRM_MediaKeySystemInfo
• DRM_MediaKeySystemDescription
• MediaKeySystem
• MediaKeySession
• MediaKeySession_Callback
• OH_MediaKeySession_Callback
• DRM Error Codes
• Module Description
• Functions
• Interface (AuxiliaryPicture)
• Interface (Image)
• Interface (ImageCreator)
• Interface (ImagePacker)
• Interface (ImageReceiver)
• Interface (ImageSource)
• Interface (Metadata)
• Class (ExifMetadata)
• Class (MakerNoteHuaweiMetadata)
• Class (HeifsMetadata)
• Class (WebPMetadata)
• Class (GifMetadata)
• Class (JfifMetadata)
• Class (TiffMetadata)
• Class (PngMetadata)
• Class (XMPMetadata)
• Class (AvisMetadata)
• Interface (Picture)
• Interface (PixelMap)
• Interfaces (Others)
• Enums
• Types
• Constants
• @ohos.multimedia.sendableImage (Image Processing Based on Sendable Objects)
• @ohos.multimedia.videoProcessingEngine (Video Processing Engine)
• Image_NativeModule
• Image
• ImageEffect
• ImageProcessing
• image_common.h
• image_native.h
• image_packer_native.h
• image_receiver_native.h
• image_source_native.h
• picture_native.h
• pixelmap_native.h
• image_mdk.h
• image_mdk_common.h
• image_packer_mdk.h
• image_pixel_map_mdk.h
• image_pixel_map_napi.h
• image_receiver_mdk.h
• image_source_mdk.h
• image_effect.h
• image_effect_errors.h
• image_effect_filter.h
• image_processing.h
• image_processing_types.h
• OH_ImageSourceNative
• OH_ImageSource_Info
• OH_DecodingOptionsForPicture
• OH_DecodingOptions
• OH_PixelmapNative
• OH_NativeBuffer
• OH_Pixelmap_HdrStaticMetadata
• OH_NativeColorSpaceManager
• OH_Pixelmap_HdrDynamicMetadata
• OH_Pixelmap_HdrGainmapMetadata
• OH_Pixelmap_HdrMetadataValue
• OH_Pixelmap_InitializationOptions
• OH_Pixelmap_ImageInfo
• Image_Size
• Image_Region
• OH_PictureMetadata
• Image_String
• OH_ImageNative
• OH_ImagePackerNative
• OH_ImageBufferData
• OH_PackingOptions
• OH_PackingOptionsForSequence
• OH_ImageReceiverNative
• OH_ImageReceiverOptions
• OH_PictureNative
• OH_AuxiliaryPictureNative
• OH_AuxiliaryPictureInfo
• OhosImageRect
• ImageNative_
• OhosImageComponent
• OhosImageSize
• ImagePacker_Opts_
• ImagePacker_Native_
• OhosPixelMapInfos
• NativePixelMap_
• OhosPixelMapCreateOps
• OhosPixelMapInfo
• OhosImageReceiverInfo
• ImageReceiverNative_
• OhosImageRegion
• ImageSourceNative_
• OhosImageSourceOps
• OhosImageDecodingOps
• OhosImageSourceInfo
• OhosImageSource
• OhosImageSourceDelayTimeList
• OhosImageSourceSupportedFormat
• OhosImageSourceSupportedFormatList
• OhosImageSourceProperty
• OhosImageSourceUpdateData
• OH_ImageEffect
• ImageEffect_DataValue
• OH_EffectFilter
• OH_EffectFilterInfo
• OH_EffectBufferInfo
• ImageEffect_Any
• ImageEffect_FilterNames
• ImageEffect_FilterDelegate
• ImageEffect_Region
• ImageEffect_Size
• ImageProcessing_ColorSpaceInfo
• OH_ImageProcessing
• Image_PositionArea
• Image_Scale
• OH_ComposeOptions
• OH_ImageRawData
• OH_PictureNative_AuxiliaryPictureCopyItem
• OH_PictureNative_MetadataCopyItem
• Image Error Codes
• Video Processing Engine Error Codes
• Module Description
• Functions
• Interface (AVAdsController)
• Interface (AVDownloaderManager)
• Interface (AVImageGenerator)
• Interface (AVMetadataExtractor)
• Interface (AVPlayer)
• Interface (AVRecorder)
• Interface (AVScreenCaptureRecorder)
• Interface (AVTranscoder)
• Interface (MediaSource)
• Interface (MediaSourceLoadingRequest)
• Interfaces (Others)
• Enums
• Types
• Deprecated Interface (AudioPlayer, deprecated)
• Deprecated Interface (AudioRecorder, deprecated)
• Deprecated Interface (VideoPlayer, deprecated)
• @ohos.multimedia.videoProcessing (Video Processing)
• SoundPool (Sound Pool)
• AVImageGenerator
• AVMetadataExtractor
• AVPlayer
• AVRecorder
• AVTranscoder
• AVScreenCapture
• AVSinkBase
• LowPowerAudioSink
• LowPowerVideoSink
• VideoProcessing
• AVMediaSource
• AVMediaBase
• avimage_generator.h
• avimage_generator_base.h
• avmetadata_extractor.h
• avmetadata_extractor_base.h
• avplayer.h
• avplayer_base.h
• avrecorder.h
• avrecorder_base.h
• avtranscoder.h
• avtranscoder_base.h
• native_avscreen_capture.h
• native_avscreen_capture_base.h
• native_avscreen_capture_errors.h
• lowpower_audio_sink.h
• lowpower_audio_sink_base.h
• lowpower_avsink_base.h
• lowpower_video_sink.h
• lowpower_video_sink_base.h
• video_processing.h
• video_processing_types.h
• avmedia_base.h
• avmedia_source.h
• avmetakeys.h
• OH_AVImageGenerator
• OH_AVMetadataExtractor
• MediaKeySession
• DRM_MediaKeySystemInfo
• AVPlayerCallback
• OH_AVPlayer
• OH_AVRecorder_Profile
• OH_AVRecorder_Location
• OH_AVRecorder_MetadataTemplate
• OH_AVRecorder_Metadata
• OH_AVRecorder_Config
• OH_AVRecorder_Range
• OH_AVRecorder_EncoderInfo
• OH_AVRecorder
• OH_AVTranscoder
• OH_AVTranscoder_Config
• OH_AudioCaptureInfo
• OH_AudioEncInfo
• OH_AudioInfo
• OH_VideoCaptureInfo
• OH_VideoEncInfo
• OH_VideoInfo
• OH_RecorderInfo
• OH_AVScreenCaptureConfig
• OH_PrivacyProtectInfo
• OH_AVScreenCaptureCallback
• OH_Rect
• OH_AudioBuffer
• OH_NativeBuffer
• OH_AVScreenCapture
• OH_AVScreenCapture_ContentFilter
• OH_AVScreenCapture_CaptureStrategy
• OH_AVScreenCapture_UserSelectionInfo
• OH_AVScreenCaptureHighlightConfig
• OH_LowPowerAudioSink
• OH_LowPowerAudioSinkCallback
• OH_AVSamplesBuffer
• OH_LowPowerAVSink_Capability
• OH_LowPowerVideoSink
• OH_LowPowerVideoSinkCallback
• VideoProcessing_ColorSpaceInfo
• OH_VideoProcessing
• NativeWindow
• OH_AVFormat
• VideoProcessing_Callback
• OH_AVPlaybackStrategy
• OH_AVMediaSource
• OH_AVHttpHeader
• OH_AVMediaSourceLoadingRequest
• OH_AVMediaSourceLoader
• OH_AVSeiMessageArray
• OH_AVMetadataExtractor_OutputParam
• OH_AVMetadataExtractor_FrameInfo
• OH_MultiDisplayCapability
• OH_AVPlayerVideoOutput
• Media Error Codes
• Module Description
• Functions
• Class (MediaAlbumChangeRequest)
• Class (MediaAssetChangeRequest)
• Class (MediaAssetsChangeRequest)
• Class (MediaAssetManager)
• Class (PhotoViewPicker)
• Classes (Others)
• Interface (AbsAlbum)
• Interface (Album)
• Interface (FetchResult)
• Interface (MediaAssetDataHandler)
• Interface (MediaAssetProgressHandler)
• Interface (MovingPhoto)
• Interface (PhotoAccessHelper)
• Interface (PhotoAsset)
• Interface (QuickImageDataHandler)
• Interfaces (Others)
• Enums
• Types
• @ohos.file.sendablePhotoAccessHelper (Album Management Based on a Sendable Object)
• @ohos.file.AlbumPickerComponent (AlbumPickerComponent)
• @ohos.file.PhotoPickerComponent (PhotoPickerComponent)
• @ohos.file.RecentPhotoComponent (RecentPhotoComponent)
• @ohos.multimedia.movingphotoview (MovingPhotoView)
• MediaAssetManager
• media_access_helper_capi.h
• media_asset_base_capi.h
• media_asset_capi.h
• media_asset_change_request_capi.h
• media_asset_manager_capi.h
• moving_photo_capi.h
• MediaLibrary_RequestId
• OH_MediaAssetManager
• OH_MediaAssetChangeRequest
• OH_MovingPhoto
• OH_MediaAsset
• MediaLibrary_RequestOptions
• Media Library Error Codes
• ringtone (Ringtone Service)
• ArkTS API Error Codes
• customScan (Barcode Scanning by Custom UI)
• detectBarcode (Recognizing Barcodes in an Image)
• generateBarcode (Barcode Image Generation)
• scanBarcode (Barcode Scanning by Default UI)
• scanCore (Common Barcode Scanning Information)
• ArkTS API Error Codes
• arEngine (AR Capabilities)
• arViewController (AR Scene Management Capabilities)
• ARView (AR Scene Visualization)
• AR Engine
• ar_engine_core.h
• AREngine_ARAugmentedImageSource
• AREngine_ClipPlaneDistance
• AREngine_ARSemanticDensePointData
• AREngine_ARSemanticDenseCubeData
• AR Engine Error Codes
• @ohos.effectKit (Image Effects)
• @ohos.graphics.colorSpaceManager (Color Space Management)
• @ohos.graphics.sendableColorSpaceManager (Sendable Color Space Management)
• @ohos.graphics.common2D (Common Data Types of 2D Graphics)
• @ohos.graphics.displaySync (Variable Frame Rate)
• Module Description
• Class (Brush)
• Class (Canvas)
• Class (ColorFilter)
• Class (Font)
• Class (ImageFilter)
• Class (Lattice)
• Class (MaskFilter)
• Class (Matrix)
• Class (Path)
• Class (PathEffect)
• Class (PathIterator)
• Class (Pen)
• Class (PointUtils)
• Class (RectUtils)
• Class (Region)
• Class (RoundRect)
• Class (SamplingOptions)
• Class (ShaderEffect)
• Class (ShadowLayer)
• Class (TextBlob)
• Class (Tool)
• Class (Typeface)
• Class (TypefaceArguments)
• Interfaces (Others)
• Enums
• @ohos.graphics.hdrCapability (HDR Capability)
• @ohos.graphics.text (Text)
• @ohos.graphics.uiEffect (Cascading Effect)
• OH_NativeBuffer
• NativeColorSpaceManager
• NativeDisplaySoloist
• Drawing
• effectKit
• OH_NativeImage
• NativeVsync
• NativeWindow
• NativeFence
• buffer_common.h
• native_buffer.h
• native_color_space_manager.h
• native_display_soloist.h
• drawing_bitmap.h
• drawing_brush.h
• drawing_canvas.h
• drawing_color.h
• drawing_color_filter.h
• drawing_color_space.h
• drawing_error_code.h
• drawing_filter.h
• drawing_font.h
• drawing_font_collection.h
• drawing_font_mgr.h
• drawing_gpu_context.h
• drawing_image.h
• drawing_image_filter.h
• drawing_lattice.h
• drawing_mask_filter.h
• drawing_matrix.h
• drawing_memory_stream.h
• drawing_path.h
• drawing_path_effect.h
• drawing_path_iterator.h
• drawing_pen.h
• drawing_pixel_map.h
• drawing_point.h
• drawing_record_cmd.h
• drawing_rect.h
• drawing_region.h
• drawing_register_font.h
• drawing_round_rect.h
• drawing_sampling_options.h
• drawing_shader_effect.h
• drawing_shadow_layer.h
• drawing_surface.h
• drawing_text_blob.h
• drawing_text_declaration.h
• drawing_text_font_descriptor.h
• drawing_text_global.h
• drawing_text_line.h
• drawing_text_lineTypography.h
• drawing_text_run.h
• drawing_text_typography.h
• drawing_typeface.h
• drawing_types.h
• effect_filter.h
• effect_types.h
• native_image.h
• native_vsync.h
• buffer_handle.h
• external_window.h
• graphic_error_code.h
• native_fence.h
• OH_NativeBuffer_ColorXY
• OH_NativeBuffer_Smpte2086
• OH_NativeBuffer_Cta861
• OH_NativeBuffer_StaticMetadata
• OH_NativeBuffer_Config
• OH_NativeBuffer_Plane
• OH_NativeBuffer_Planes
• OH_NativeBuffer
• ColorSpacePrimaries
• WhitePointArray
• DisplaySoloist_ExpectedRateRange
• OH_Drawing_BitmapFormat
• OH_Drawing_Font_Metrics
• OH_Drawing_GpuContextOptions
• OH_Drawing_RunBuffer
• OH_Drawing_PlaceholderSpan
• OH_Drawing_FontDescriptor
• OH_Drawing_LineMetrics
• OH_Drawing_FontFallbackInfo
• OH_Drawing_FontFallbackGroup
• OH_Drawing_FontAdjustInfo
• OH_Drawing_FontAliasInfo
• OH_Drawing_FontGenericInfo
• OH_Drawing_FontConfigInfo
• OH_Drawing_FontStyleStruct
• OH_Drawing_FontFeature
• OH_Drawing_StrutStyle
• OH_Drawing_RectSize
• OH_Drawing_Point2D
• OH_Drawing_Point3D
• OH_Drawing_Image_Info
• OH_Drawing_RectStyle_Info
• OH_Drawing_String
• OH_Filter_ColorMatrix
• OH_OnFrameAvailableListener
• OH_NativeVSync_ExpectedRateRange
• BufferHandle
• Region
• Rect
• OHHDRMetaData
• OHExtDataHandle
• OH_NativeColorSpaceManager
• OH_DisplaySoloist
• NativePixelMap_
• OH_PixelmapNative
• OH_Drawing_FontCollection
• OH_Drawing_Typography
• OH_Drawing_TextStyle
• OH_Drawing_TypographyStyle
• OH_Drawing_LineTypography
• OH_Drawing_TypographyCreate
• OH_Drawing_TextBox
• OH_Drawing_PositionAndAffinity
• OH_Drawing_Range
• OH_Drawing_TextShadow
• OH_Drawing_FontParser
• OH_Drawing_TextTab
• OH_Drawing_TextLine
• OH_Drawing_Run
• OH_Drawing_FontFullDescriptor
• OH_Drawing_FontVariationAxis
• OH_Drawing_FontVariationInstance
• OH_Drawing_FontVariationInstanceCoordinate
• OH_Drawing_Canvas
• OH_Drawing_Pen
• OH_Drawing_Region
• OH_Drawing_Brush
• OH_Drawing_Path
• OH_Drawing_PathIterator
• OH_Drawing_Lattice
• OH_Drawing_Bitmap
• OH_Drawing_Point
• OH_Drawing_PixelMap
• OH_Drawing_ColorSpace
• OH_Drawing_PathEffect
• OH_Drawing_Rect
• OH_Drawing_RoundRect
• OH_Drawing_Matrix
• OH_Drawing_ShaderEffect
• OH_Drawing_ShadowLayer
• OH_Drawing_Filter
• OH_Drawing_MaskFilter
• OH_Drawing_ColorFilter
• OH_Drawing_Font
• OH_Drawing_FontFeatures
• OH_Drawing_MemoryStream
• OH_Drawing_FontArguments
• OH_Drawing_Typeface
• OH_Drawing_TextBlob
• OH_Drawing_Image
• OH_Drawing_ImageFilter
• OH_Drawing_SamplingOptions
• OH_Drawing_TextBlobBuilder
• OH_Drawing_GpuContext
• OH_Drawing_Surface
• OH_Drawing_FontMgr
• OH_Drawing_FontStyleSet
• OH_Drawing_RecordCmdUtils
• OH_Drawing_RecordCmd
• OH_Drawing_Array
• OH_Filter
• OH_NativeImage
• NativeWindow
• NativeWindowBuffer
• OH_NativeVSync
• OHIPCParcel
• colorSpaceManager Error Codes
• Drawing and Display Error Codes
• @ohos.graphics.scene (ArkGraphics 3D)
• Scene
• SceneNode
• SceneType
• SceneResources
• ScenePostProcessSettings
• assetDownloadManager (Resource Package Download Management)
• AssetAccelerationExtensionAbility (ExtensionAbility for Resource Acceleration)
• AssetAccelerationExtensionContext (ExtensionContext for Resource Acceleration)
• launchAcceleration (Game Launch Acceleration)
• gameBuddyService (Game Buddy Service)
• ArkTS API Error Codes
• GraphicsAccelerate
• abr_base.h
• abr_gles.h
• frame_generation_base.h
• frame_generation_gles.h
• frame_generation_vk.h
• opengtx_base.h
• ABR_CameraData
• ABR_Vector3
• FG_AlgorithmModeInfo
• FG_ContextDescription_VK
• FG_Dimension2D
• FG_DispatchDescription_GLES
• FG_DispatchDescription_VK
• FG_ImageFormat_VK
• FG_ImageInfo_VK
• FG_ImageSync_VK
• FG_Mat4x4
• FG_ResolutionInfo
• FG_Vec3D
• FG_PerFrameExtendedCameraInfo
• FG_IntegrationInfo
• OpenGTX_ConfigDescription
• OpenGTX_FrameRenderInfo
• OpenGTX_GameSceneInfo
• OpenGTX_NetworkInfo
• OpenGTX_NetworkLatency
• OpenGTX_ResolutionValue
• OpenGTX_Vector3
• spatialRender
• spatialEdit
• spatial_recon_interface.h
• SpatialRecon
• HMS_SpatialRecon_ModelWriteInfo
• HMS_SpatialRecon_DataFrame
• HMS_SpatialRecon_Session
• AREngine_ARSession
• AREngine_ARFrame
• XEngine
• xeg_extension_defs.h
• xeg_gles_adaptive_vrs.h
• xeg_gles_extension.h
• xeg_gles_neural_upscale.h
• xeg_gles_spatial_upscale.h
• xeg_gles_temporal_upscale.h
• xeg_vulkan_adaptive_vrs.h
• xeg_vulkan_common.h
• xeg_vulkan_extension.h
• xeg_vulkan_hps.h
• xeg_vulkan_rt_reflection.h
• xeg_vulkan_rt_visible_mask.h
• xeg_vulkan_rtgi.h
• xeg_vulkan_spatial_upscale.h
• xeg_vulkan_temporal_upscale.h
• xeg_vulkan_neural_upscale.h
• xeg_control_display_separation.h
• XEG_AdaptiveVRSCreateInfo
• XEG_AdaptiveVRSDescription
• XEG_DDGICreateInfo
• XEG_DDGIDescription
• XEG_DDGIVolumeEntryParameters
• XEG_ExtensionProperties
• XEG_HPSCreateInfo
• XEG_HPSRadixSort
• XEG_HPSRadixSortDescription
• XEG_NNGICreateInfo
• XEG_NNGIDescription
• XEG_RTAOParameters
• XEG_RTReflectionCreateInfo
• XEG_RTReflectionDescription
• XEG_RTShadowAOCreateInfo
• XEG_RTShadowAODenoiserParameters
• XEG_RTShadowAODescription
• XEG_RTShadowParameters
• XEG_SpatialUpscaleCreateInfo
• XEG_SpatialUpscaleDescription
• XEG_TemporalUpscaleCreateInfo
• XEG_TemporalUpscaleDescription
• XEG_NeuralUpscaleCreateInfo
• XEG_NeuralUpscaleDescription
• @hms.core.authentication (Unified Authentication Service)
• @hms.core.account.extendService (Enhanced Service)
• @hms.core.account.shippingAddress (Shipping Address Management Service)
• @hms.core.account.minorsProtection (Youth Mode)
• @hms.core.account.invoiceAssistant (Invoice Assistant Service)
• @hms.core.account.realName (Identity Verification Service)
• @hms.core.account.intimate (My Circle)
• LoginPanel (HUAWEI ID Sign-in Panel Component)
• LoginWithHuaweiIDButton (HUAWEI ID Sign-in Button Component)
• loginComponentManager (HUAWEI ID Sign-in Component Management)
• ArkTS Error Codes
• General Information
• Overview
• Obtaining a User-Level Credential
• Refreshing a User-Level Credential
• Parsing a Credential
• Revoking Authorization for a User-Level Credential
• Obtaining an App-Level Credential
• Obtaining QR Code Information
• Obtaining a User-Level Credential
• Overview
• Obtaining the UnionID/OpenID and Mobile Number Bound to a HUAWEI ID with One-Tap Sign-In
• Obtaining HUAWEI ID User Information: Avatar and Nickname
• Obtaining HUAWEI ID User Information: Mobile Number
• Obtaining the Risk Level
• Overview
• Obtaining Real-Name Information
• Obtaining the Age Group of a User
• Verifying Real-Name Information
• Obtaining the UnionID Through the OpenID
• Obtaining the JWT Public Key for ID Token Verification
• Verifying an ID Token
• Obtaining OpenID Connect Public Configurations
• Obtaining the UnionID/OpenID and Mobile Number Bound to a HUAWEI ID with One-Tap Sign-In (Not Recommended)
• REST API Error Codes
• @ohos.advertising (Ads Service Framework)
• @ohos.identifier.oaid (OAID Service)
• @ohos.advertising.AdsServiceExtensionAbility (Advertising Service Extension Ability)
• Advertisement (Content of the Requested Ad)
• @ohos.advertising.AdComponent (Ad Display Component)
• @ohos.advertising.AutoAdComponent (Carousel Ad Display Component)
• Ads Service Framework Error Codes
• OAID Error Codes
• moduleInstallManager (On-Demand Feature Distribution)
• productViewManager (Recommendation on AppGallery)
• sceneManager (Ecosystem Query Service)
• updateManager (Update)
• attributionManager (App Attribution Service)
• attributionTestManager (Debugging During Access to the App Attribution Service)
• privacyManager (Privacy Agreement Management Service)
• appInfoManager (App Metadata Management Service)
• commentManager (App Review Service)
• ArkTS API Error Codes
• ModuleInstall
• module_install.h
• Posting Back the Attribution Result
• deferredLink (Deferred Link Capability)
• @ohos.calendarManager (Calendar Manager)
• Calendar Error Codes
• voipCall (In-App Call Management)
• CallerInfoQueryExtensionAbility (Extended Ability for Querying Incoming and Outgoing Call Information)
• CallerInfoQueryExtensionContext (Extended Context for Querying Incoming and Outgoing Call Information)
• numberIdentify (Number Identification Capability Query)
• ArkTS API Error Codes
• cloudCommon (Common Module)
• cloudFunction (Cloud Functions Module)
• cloudStorage (Cloud Storage Module)
• cloudDatabase (Cloud DB Module)
• ArkTS API Error Codes
• @ohos.contact (Contacts)
• Contact Error Codes
• @hms.enterpriseSpaceService.fileTransfer (Inter-workspace Data Transfer)
• @hms.enterpriseSpaceService.spaceManager (Workspace Management)
• ArkTS API Error Codes
• fileManagerService
• ArkTS API Error Codes
• Icon Format Description
• GameController
• game_controller_type.h
• game_device.h
• game_device_event.h
• game_pad.h
• game_pad_event.h
• GameDevice_AllDeviceInfos
• GameDevice_DeviceInfo
• GameDevice_DeviceEvent
• GamePad_ButtonEvent
• GamePad_AxisEvent
• GamePad_PressedButton
• gamePlayer (Basic Game Service)
• gamePerformance (Game Scene Perception)
• gameNearbyTransfer (Nearby Transfer)
• ArkTS API Error Codes
• GamePerformance
• game_performance.h
• C API Error Codes
• Obtaining the Player ID
• Obtaining playerId/openId/unionId Through gamePlayerId
• Converting teamPlayerId in Batches
• Disassociating an Account
• Account Disassociation Notification
• healthStore (Health and Fitness Data Services)
• healthService (Health and Fitness Linking Services)
• healthStore (Health and Fitness Data Services) (Lite)
• healthService (Health and Fitness Linking Services) (Lite)
• healthDataTypes (Health and Fitness Data Type Constants)
• healthFields (Health and Fitness Data Fields)
• healthModels (Health and Fitness Data Models)
• samplePointHelper (Sampling Data Type Constants)
• healthSequenceHelper (Health Record Type Constants)
• exerciseSequenceHelper (Workout Record Type Constants)
• healthDataTypes (Health and Fitness Data Type Constants) (Lite)
• healthFields (Health and Fitness Data Fields) (Lite)
• exerciseSequenceHelper (Workout Record Type Constants) (Lite)
• exerciseRealtimeHelper (Real-Time Fitness Data Type Constants) (Lite)
• ArkTS API Error Codes
• IAP
• Data Types
• ArkTS API Error Codes
• CashierComponent (Embedded IAP Cashier Component)
• cashierComponentManager (Embedded IAP Cashier Component Management)
• Overview
• Generating a Token for a Server-Side API Call
• Verifying the Signature in the Returned Result
• Querying the Order Status for a Consumable, Non-consumable, or Non-renewable Subscription
• Acknowledging the Delivery for a Consumable, Non-consumable, or Non-renewable Subscription
• Querying Orders Related to Specific Purchase Records
• Querying the Subscription Status
• Acknowledging the Delivery for a Subscription
• Postponing a Subscription Renewal Date
• Querying the Order Status by Order Number
• Querying the Purchase History of a User
• Querying Server-Side Notification Records
• Testing Server-Side Notifications
• Generating a Signed Purchase Parameter for a Promotion
• Key Event Notifications
• Receiving a Refund Request Notification
• Returning the Refund Review Result
• Data Types
• REST API Error Codes
• liveViewManager
• LiveViewLockScreenExtensionAbility
• LiveViewLockScreenExtensionContext
• LiveViewCardExtensionAbility
• LiveViewCardExtensionContext
• ArkTS API Error Codes
• API Parameter Mapping Between Live View Kit and Push Kit
• @ohos.geoLocationManager (Geolocation Manager)
• @ohos.app.ability.FenceExtensionAbility (FenceExtensionAbility)
• @ohos.app.ability.FenceExtensionContext (FenceExtensionContext)
• @ohos.geolocation (Geolocation)
• @system.geolocation (Geolocation)
• Location
• oh_location.h
• oh_location_type.h
• Location_BasicInfo
• Location_RequestConfig
• Location_Info
• Location Kit Error Codes
• Module Description
• Class (MapComponentController)
• Interface (BaseOverlay)
• Interface (Marker)
• Interface (MapPolyline)
• Interface (MapPolygon)
• Interface (MapCircle)
• Interface (BasePriorityOverlay)
• Interface (PointAnnotation)
• Interface (Bubble)
• Interface (CameraUpdate)
• Interface (Projection)
• Class (LatLngBoundsUtils)
• Class (Animation)
• Class (AlphaAnimation)
• Class (RotateAnimation)
• Class (ScaleAnimation)
• Class (TranslateAnimation)
• Class (FontSizeAnimation)
• Class (PlayImageAnimation)
• Class (AnimationSet)
• Interface (ClusterOverlay)
• Interface (ImageOverlay)
• Interface (BuildingOverlay)
• Interface (TraceOverlay)
• Interface (MapArc)
• class (SpatialRelationUtil)
• Interface (AnimateResult)
• Interface (MarkerDelegate)
• Interface (MapEventManager)
• Interface (MarkerClusterInfo)
• Interface (TileOverlay)
• Interface (IndoorMapInfo)
• Interface (Heatmap)
• Interface (MvtOverlay)
• Interface (FlowFieldOverlay)
• Interface (MassPointOverlay)
• Interface (MapSignalLine)
• Types
• Enums
• Functions
• mapCommon (Map Attribute Model)
• navi (Route Planning)
• petalMaps (Starting the Map App)
• sceneMap (Scenario-specific Control)
• site (Place Search)
• staticMap (Static Map)
• offlineMapData (Offline Map)
• ArkTS API Error Codes
• POI Types
• City Codes and Administrative Division Codes
• Supported Countries/Regions for Route Planning
• MapComponent (Map Component)
• @ohos.notificationManager (NotificationManager)
• @ohos.notificationExtensionSubscription (notificationExtensionSubscription)
• @ohos.application.NotificationSubscriberExtensionAbility (ExtensionAbility for Notification Subscription)
• @ohos.application.NotificationSubscriberExtensionContext (ExtensionAbility Context for Notification Subscription)
• NotificationActionButton
• NotificationCommonDef
• NotificationContent
• NotificationExtensionContent
• NotificationFlags
• NotificationInfo
• NotificationRequest
• NotificationSlot
• NotificationTemplate
• NotificationUserInput
• NotificationExtensionSubscriptionInfo
• @ohos.notification (Notification)
• @system.notification (Notification)
• NOTIFICATION
• notification.h
• Notification Error Codes
• paymentService (HarmonyOS Payment Service)
• realNameService (Real-Name Service)
• ecnyPaymentService (e-CNY Payment Service)
• thirdPaymentService (Third-Party Payment Service)
• promotionService (Promotion Service)
• ArkTS API Error Codes
• Overview
• Pre-ordering
• Closing an Order
• Payment Result Callback Notification
• Querying Order Information by sysTransOrderNo
• Querying Order Information by mercOrderNo
• Applying for Refunds
• Refund Result Callback Notification
• Querying Refund Order Information by sysRefundOrderNo
• Querying Refund Order Information by mercRefundOrderNo
• Pre-order
• Payment Result Callback Notification
• Querying Order Information by sysTransOrderNo
• Querying Order Information by mercOrderNo
• Applying for Refunds
• Refund Result Callback Notification
• Querying Refund Order Information by sysRefundOrderNo
• Querying Refund Order Information by mercRefundOrderNo
• Contract Signing Result Callback Notification
• Querying Contract Signing Order Information by mercContractCode
• Querying Contract Signing Order Information by contractId
• Applying for Contract Termination
• Contract Termination Result Callback Notification
• Pre-signing
• Contract Signing Result Callback Notification
• Applying for PIN-Free Withholding
• Withholding Result Callback Notification
• Querying Contract Signing Order Information by mercContractCode
• Querying Contract Signing Order Information by contractId
• Querying Order Information by sysTransOrderNo
• Querying Order Information by mercOrderNo
• Applying for Contract Termination
• Contract Termination Result Callback Notification
• Applying for Refunds
• Refund Result Callback Notification
• Querying Refund Order Information by sysRefundOrderNo
• Querying Refund Order Information by mercRefundOrderNo
• Querying Reconciliation Statements
• Querying Settlement Bills
• Pre-order
• Closing an Order
• Payment Result Callback Notification
• Querying Order Information by sysTransOrderNo
• Querying Order Information by mercOrderNo
• Requesting Refunds
• Refund Result Callback Notification
• Querying Refund Order Information by sysRefundOrderNo
• Querying Refund Order Information by mercRefundOrderNo
• Pre-order
• Payment Result Callback Notification
• Querying Order Information by sysTransOrderNo
• Querying Order Information by mercOrderNo
• Applying for Refunds
• Refund Result Callback Notification
• Querying Refund Order Information by sysRefundOrderNo
• Querying Refund Order Information by mercRefundOrderNo
• Contract Signing Result Callback Notification
• Querying Contract Signing Information by mercContractCode
• Querying Signing Information by contractId
• Applying for Contract Termination
• Contract Termination Result Callback Notification
• Pre-signing
• Contract Signing Result Callback Notification
• Applying for PIN-Free Withholding
• Withholding Result Callback Notification
• Querying Contract Signing Information by mercContractCode
• Querying Contract Signing Information by contractId
• Querying Order Information by sysTransOrderNo
• Querying Order Information by mercOrderNo
• Applying for Contract Termination
• Contract Termination Result Callback Notification
• Applying for Refunds
• Refund Result Callback Notification
• Querying Refund Order Information by sysRefundOrderNo
• Querying Refund Order Information by mercRefundOrderNo
• Pre-order
• Closing a Combined Payment Order
• Combined Payment Result Callback Notification
• Querying Order Information by combinedSysTransOrderNo
• Querying Order Information by combinedMercOrderNo
• Requesting a Refund
• Refund Result Callback Notification
• Querying Refund Order Information by sysRefundOrderNo
• Querying Refund Order Information by mercRefundOrderNo
• Querying Reconciliation Bills
• Querying Settlement Bills
• Obtaining an App-Level Credential
• Real-Name Pre-verification
• Real-Name Verification Result Query
• Real-Name Authorization Result Query
• Facial Pre-verification
• Facial Verification Result Query
• Creating a Coupon Batch
• Modifying Coupon Batch Information
• Querying Coupon Batch Details
• Uploading Saved Coupon Codes
• Modifying the Budget for Coupons in a Batch
• Setting the Callback Notification URL
• Querying the Callback Notification URL
• Coupon Distribution
• Coupon Distribution Event Callback Notification
• Coupon Write-Off
• Applying for Coupon Return
• Deactivating a Coupon
• Querying Coupons of a User
• Querying Details About a Coupon of a User
• Querying Platform Coupons Available to a User
• REST API Result Codes
• Data Model Description
• Appendix
• pdfService (PDF Services)
• pdfViewManager (PDF Preview)
• PdfView (PDF Preview Component)
• ArkTS API Error Codes
• filePreview (File Preview)
• openFileBoost (File Open Boost) (Deprecated)
• ArkTS API Error Codes
• Preview
• open_file_boost.h
• file_cache_boost.h
• preview_kit.h
• Anonymous Application Identifier (AAID)
• pushCommon
• pushService
• RemoteNotificationExtensionAbility
• RemoteNotificationExtensionContext
• serviceNotification
• VoIPExtensionAbility (Deprecated)
• VoIPExtensionContext (Deprecated)
• PushExtensionAbility
• PushExtensionContext
• RemoteLocationExtensionAbility
• RemoteLocationExtensionContext
• ArkTS API Error Codes
• Secure Access Requirements
• Image Risk Control
• Function Description
• Request Body Structure
• Request Body Parameters
• Response Parameters
• Request Example
• Message Frequency Control
• Message Revocation
• Message Receipt
• Service Notification
• Service Updates Sending API
• Service Updates Parameters
• bookParser (Book Parsing Capability)
• readerCore (Reader Kit Core Capabilities)
• ReadPageComponent (Reading Page Component)
• ArkTS API Error Codes
• atomicService (Convergent Scenario-specific APIs)
• fileUriService (File Path Conversion APIs)
• ArkTS API Error Codes
• FunctionalButton (Button Component)
• functionalButtonComponentManager (Scenario-specific Convergent Button Component Management)
• FunctionalInput (Input Component)
• functionalInputComponentManager (Scenario-specific Convergent Input Component Management)
• ArkTS Component Error Codes
• @hms.utilityApplication.screenTimeGuard.guardService (Screen Time Guard Kit)
• @hms.utilityApplication.screenTimeGuard.appPicker (App Selection)
• @hms.utilityApplication.screenTimeGuard.TimeGuardExtensionAbility (Screen Time Guard Extension Ability)
• @hms.utilityApplication.screenTimeGuard.TimeGuardExtensionContext (Screen Time Guard Extension Context)
• ArkTS API Error Codes
• systemShare (System Share)
• harmonyShare (Huawei Share)
• ArkTS API Error Codes
• walletPass (Pass Capability)
• walletTransitCard (Transportation Card Capability)
• ArkTS API Error Codes
• General Information
• Public APIs
• Digital Car Key APIs
• REST API Result Codes
• weatherService (Weather Data Service)
• ArkTS API Error Codes
• A2A (A2A Protocol)
• FunctionComponent
• ArkTS API Error Codes
• CANN
• hiai_aipp_param.h
• hiai_helper.h
• hiai_options.h
• hiai_single_op.h
• hiai_tensor.h
• llm_engine.h
• HiAISingleOpDescriptor_ConvolutionParam
• HiAI_SingleOpExecutorConvolutionParam
• HiAI_SingleOpExecutorFusedConvolutionActivationParam
• textToSpeech (Text to Speech)
• speechRecognizer (Speech Recognition)
• ArkTS API Error Codes
• textRecognition (OCR)
• faceDetector (Face Detection)
• faceComparator (Face Verification)
• subjectSegmentation (Subject Segmentation)
• visionBase (Core Vision Kit Base Class)
• objectDetection (Multi-object Detection)
• skeletonDetection (Skeleton Detection)
• imageSuperResolution (Image Super-Resolution)
• textSearchImage (Searching for Images by Text)
• ArkTS API Error Codes
• insightIntent
• InsightIntentUIExtensionAbility
• ArkTS API Error Codes
• Sharing an Intent
• Revoking an Event
• textProcessing
• EntityType
• jsonObject (Description of Parameters in Entity Return Value)
• ArkTS API Error Codes
• @ohos.ai.mindSporeLite (On-device AI Framework)
• MindSpore
• context.h
• data_type.h
• format.h
• model.h
• status.h
• tensor.h
• types.h
• OH_AI_TensorHandleArray
• OH_AI_ShapeInfo
• OH_AI_CallBackParam
• NNRTDeviceDesc
• OH_AI_ContextHandle
• OH_AI_DeviceInfoHandle
• OH_AI_TensorHandle
• OH_AI_AllocatorHandle
• OH_AI_ModelHandle
• OH_AI_TrainCfgHandle
• NeuralNetworkRuntime
• neural_network_core.h
• neural_network_runtime.h
• neural_network_runtime_type.h
• OH_NN_UInt32Array
• OH_NN_QuantParam
• OH_NN_Tensor
• OH_NN_Memory
• OH_NNModel
• OH_NNCompilation
• OH_NNExecutor
• NN_QuantParam
• NN_TensorDesc
• NN_Tensor
• TextReader (Reading Control)
• ReadStateCode (Reading Status)
• WindowManager (Window Management)
• TextReaderIcon (Speaker Icon)
• TextReaderIconV2 (Speaker Icon)
• AICaptionComponent (AICaption Component)
• ArkTS API Error Codes
• interactiveLiveness (Face Liveness Detection)
• visionImageAnalyzer (AI Image Recognition)
• CardRecognition (Card Recognition Control)
• DocumentScanner (Document Scanning Control)
• ArkTS API Error Codes
• Class (Console)
• loadNativeModule (Synchronously and Dynamically Loading a System Library)
• SysCap
• Timer
• SyscapNdk
• memory
• JSVM
• syscap_ndk.h
• purgeable_memory.h
• jsvm.h
• jsvm_types.h
• JSVM_CallbackStruct
• JSVM_HeapStatistics
• JSVM_InitOptions
• JSVM_CreateVMOptions
• JSVM_VMInfo
• JSVM_PropertyDescriptor
• JSVM_ExtendedErrorInfo
• JSVM_TypeTag
• JSVM_PropertyHandlerConfigurationStruct
• JSVM_ScriptOrigin
• JSVM_CompileOptions
• JSVM_CodeCache
• JSVM_PropertyHandler
• JSVM_DefineClassOptions
• JSVM_VM__*
• JSVM_VMScope__*
• JSVM_EnvScope__*
• JSVM_Script__*
• JSVM_Env__*
• JSVM_CpuProfiler__*
• JSVM_Value__*
• JSVM_Data__*
• JSVM_Ref__*
• JSVM_HandleScope__*
• JSVM_EscapableHandleScope__*
• JSVM_CallbackInfo__*
• JSVM_Deferred__*
• JSVM_CallbackStruct*
• JSVM_PropertyHandlerConfigurationStruct*
• JSVM_CompileProfile
• PurgMem
• JSVM_DeserializeResult
• musl libc
• C++ Standard Library
• Node-API
• libuv
• OpenSL ES
• OpenGL ES
• OpenGL
• EGL
• ICU4C
• zlib
• Vulkan Development Overview
• Vulkan Surface Development
• Vulkan External Memory Development
• Vulkan Capabilities
• Vulkan
• vulkan_ohos.h
• VkSurfaceCreateInfoOHOS
• VkNativeBufferOHOS
• VkSwapchainImageCreateInfoOHOS
• VkPhysicalDevicePresentationPropertiesOHOS
• VkNativeBufferUsageOHOS
• VkNativeBufferPropertiesOHOS
• VkNativeBufferFormatPropertiesOHOS
• VkImportNativeBufferInfoOHOS
• VkMemoryGetNativeBufferInfoOHOS
• VkExternalFormatOHOS
• NativeWindow
• OHBufferHandle
• OH_NativeBuffer
• Native API Symbols Not Exported
• NDK-Related musl libc Interface Usage Restrictions
• EGL Symbols Exported from Native APIs
• ICU4C Symbols Exported from Native APIs
• OpenGL ES 3.2 Symbols Exported from Native APIs
• OpenGL Symbols
• Seccomp-Provided System Call List
• Application Development Overview
• Preparations for Development
• Building Your First HarmonyOS Application (ArkTS)
• Application Package Overview
• Application Package Structure
• HAP
• HAR
• HSP
• Application Installation, Uninstall, and Update
• Consistency Verification for Application Installation and Update
• Application Configuration Files
• app.json5 Configuration File
• module.json5 Configuration File
• Creating a Static Shortcut of the Application
• Creating an Application Clone
• Creating an Application Multi-Instance
• Configuring an Application Icon and Label
• Configuring the Context Menu for Applications (PC/2-in-1 Device)
• Converting HAR to HSP
• Converting HSP to HAR
• Converting HAP to HAR
• Integrated HSP
• Integrating bin Files into Application Packages (PC/2-in-1 Device)
• Calling APIs Across HAR/HSP Modules on the Native Side
• Developing and Using App Plugins (PC/2-in-1 Device)
• FAQs About Application Packages
• Application Package Glossary
• Resource Categories and Access
• Getting Started with ArkTS
• Introduction to ArkTS
• ArkTS Coding Style Guide
• ArkTS Migration Background
• TypeScript to ArkTS Cookbook
• Adaptation Cases
• ArkTS Performant Programming Practices
• Migrating from Java to ArkTS
• Migrating from Swift to ArkTS
• HarmonyOS Glossary
• Architecture Overview
• Layered Architecture Design
• Modular Design
• What's New
• Ability
• HUAWEI Ability Gallery
• Devices for Ability Distribution
• Instant Access
• Smart Service
• AI Lens
• AI Voice
• Matrix of Devices, Touch Points, and Integration Modes
• Content
• Function and Performance
• Security and Privacy
• Ability Release
• Instant Access Process
• App Ability Introduction
• Interaction Model Design
• App Ability Specifications
• Development Guide
• Configuration Guide
• Test Guide
• Release Guide
• Smart Service Access Process
• Content Ability Introduction
• Interaction Model Design
• General Card Design and API Development
• Account Binding for Content Ability
• Event Push
• Content Data Synchronization
• Fulfillment Development
• Ability Development Under a General Category
• Configuration Guide
• Test Guide
• Release Guide
• Fulfillment API
• Ability Category Schema Definition
• Card Ability Overview
• Interaction Model Design
• UX Design
• Card Mirroring Specifications
• Account Binding for Card Ability
• Event Push
• Card Development Procedure
• Card Introduction
• Card Jump Development Guide
• Ability Guide Card Development Guide
• Card Mirrored Layout Development Guide
• Grid-based Card Development Guide
• Configuration Guide
• Test Guide
• Release Guide
• AI Lens Access Process
• Content Ability Introduction
• Interaction Model Design
• General Card Design and API Development
• Account Binding for Content Ability
• Event Push
• Content Data Synchronization
• Fulfillment Development
• Ability Development Under a General Category
• Configuration Guide
• Test Guide
• Release Guide
• Fulfillment API
• Ability Category Schema Definition
• AI Voice Access Process
• Content Ability Introduction
• Interaction Model Design
• General Card Design and API Development
• Account Binding for Content Ability
• Event Push
• Content Data Synchronization
• Fulfillment Development
• Ability Development Under a General Category
• Configuration Guide
• Test Guide
• Release Guide
• Fulfillment API
• Ability Category Schema Definition
• App Ability Introduction
• Interaction Model Design
• App Ability Specifications
• Development Guide
• Configuration Guide
• Test Guide
• Release Guide
• AbilityKit SDK Overview
• AbilityKit SDK Privacy Statement
• AbilityKit SDK Compliance Guide
• Huawei Ability Gallery Service Agreement--Europe Site
• HUAWEI Ability Gallery Service Agreement--AALA Site
• Release Requirements
• Contact Us
• HUAWEI Ability Gallery FAQ
• Glossary
• Account Binding APIs
• Event APIs
• Delivery Information Notification API
• Ability Category Schema Definition-Constellation
• Ability Category Schema Definition- Maps and Navigation
• Ability Category Schema Definition-Encyclopedia
• Ability Category Schema Definition-Local life
• Ability Category Schema Definition-Recipes
• Ability Category Schema Definition-Weather
• Ability Category Schema Definition-Smart chat
• Ability Category Schema Definition-Games
• Ability Category Schema Definition-Calendar
• Ability Category Schema Definition-Translation
• Ability Category Schema Definition-Express Delivery
• Ability Category Schema Definition-Taxis
• Ability Category Schema Definition-Online Stores
• Ability Category Schema Definition-News
• Ability Category Schema Definition-Audiobooks
• Ability Category Schema Definition-Sports
• Ability Category Schema Definition-Question Bank
• Ability Category Schema Definition-Short Videos
• Ability Category Schema Definition-Train Tickets
• Stocks
• Exchange Rate
• Ability Category Schema Definition-Dream Interpretation
• Atomic Service Introduction
• Characteristics and Use Scenarios of Atomic Services
• Basic Knowledge of an Atomic Service Bundle
• Developing an Atomic Service
• Developing Your First Atomic Service
• Creating an Atomic Service Project
• Generating Atomic Service Icons
• Building an Atomic Service Page
• Creating an Atomic Service Widget
• Running an Atomic Service on a Real Device
• Preparing for Atomic Service Development
• Sub-packaging
• Preloading
• Intra-Module Page Routing
• Inter-Module Page Routing
• Using an Atomic Service Link for Atomic Service Redirection
• Using a Basic URL QR Code for Atomic Service Redirection
• Starting Other Atomic Services
• Atomic Service Update
• UI Development
• Service Widget Development
• Network Management Overview
• HTTP Data Request
• Network Connection Management
• mDNS Management
• WebSocket Connection
• Configuring Server Domain Names
• Network Management Acceleration Service
• Persisting Preferences Data
• Accessing Application Files
• Preview Kit
• Media
• AVSession
• Camera
• Selecting Media Assets Using Picker
• Image Development Overview
• Image Decoding
• Image Encoding
• Developing Application Windows
• Sensor Service
• Sensor Overview
• Sensor Development
• Vibrator Overview
• Vibrator Development
• Bluetooth Setting Development
• Advertising Development
• GATT Development
• NFC Tag Read/Write Development
• HCE Development
• Contacts Service
• Web Component Overview
• Developing the AtomicServiceEnhancedWeb Component
• AtomicServiceEnhancedWeb Reference
• Upgrading ArkWeb to AtomicServiceEnhancedWeb
• Configuring Business Domain Names
• Scenario-based Vision
• Intents Kit
• Agent Framework Kit
• About This Kit
• Integration Process
• Qualifications Requirements for Developers
• Open Data Overview
• Applying for Health Service Kit
• Configuring the Client ID
• Managing User Authorization
• Aggregation Query of Health and Fitness Sample Data
• Reading Real-Time Activity Rings Data
• Permission Description
• Daily Activities
• Applying for Formal Scopes
• Personal Data Processing Information
• Specifications for Using Logos
• Cloud Foundation Kit
• Key Management
• Online Authentication
• Using the Crypto Framework
• Using the Certificate Framework
• User Authentication Kit
• About This Kit
• Service Quota
• Enabling Device Security Kit
• Generating a JWT Based on a Service Account
• DeviceVerify
• Enhanced System Integrity Check
• System Integrity Check
• URL Check
• Unified Risk Control Credential
• RiskControlEngine
• Location Security Verification
• Verifying the Anonymous Certificate Chain
• Verifying the Signature
• Digital Shield Service
• Supported Countries/Regions
• Weather
• Localization
• Continuous Task
• Development of Application Event Logging
• HiLog Development
• ArkTS Common Library
• Automated Test
• About This Kit
• Management Rules for Using the Sign-in Capability of Account Kit
• Requesting Scopes
• Configuring Signing Information and Adding a Fingerprint
• Configuring the Client ID
• Sign-In
• Overview
• Overview About Obtaining the Avatar and Nickname
• Obtaining the Avatar and Nickname Through the Relevant API
• Obtaining the Avatar Through Scenario Fusion Kit
• Obtaining the Mobile Number
• Obtaining the Shipping Address
• Obtaining the Invoice Title
• Obtaining the Risk Level
• Overview
• Following the Device's Youth Mode Status
• Enabling the Youth Mode Within the Atomic Service
• (Recommended) Disabling the Atomic Service's Youth Mode
• Disabling the Device's Youth Mode
• Adjusting Youth Mode Settings
• Account Kit Notification Events
• FAQs
• Personal Data Processing Information
• About This Kit
• Preparations
• Enabling Service Notifications and Selecting a Subscription Template
• Performing Self-Service Testing and Analysis
• Initiating an Account-based Subscription Request
• Pushing Account-based Subscription Notifications
• Pushing Account-based Service Updates Messages
• Sharing
• About This Kit
• Preparations
• Barcode Scan by Default UI
• Recognizing Barcodes in Local Images
• Recognizing Barcodes in Image Data
• Generating a Barcode Image from Text
• Generating a Barcode Image from a Byte Array
• FAQs
• Location
• Maps
• Payment
• IAP Kit
• About This Kit
• Preparations
• Overview
• Banner Ads
• Native Ads
• Rewarded Ads
• Interstitial Ads
• Roll Ads
• Real-Time Bidding
• FAQs About Petal Ads Publisher Service
• About This Kit
• Service Updates Authorization Code Button
• Atomic Service Sharing Button
• Feedback and Complaint Button
• About This Kit
• Update on AppGallery
• Solution Design
• Development Guidelines
• Solution Design
• Development Guidelines
• Atomic Service Ecosystem Operation Guidelines
• Atomic Service Naming Guidelines
• Overview of ASCF
• Obtaining the ASCF Plugin
• Creating an ASCF Project
• Importing Mini Program Resources
• Compiling an Atomic Service
• Building a Project into the ASCF Paradigm Using a Third-Party Framework
• Building an Atomic Service
• Using the ASCF Command Line Tool
• Coding
• Running and Debugging an Atomic Service
• Releasing an Atomic Service
• Network Access
• Package Splitting
• Preloading
• Asynchronous Package Splitting
• Local Runtime Configuration of DevEco Studio
• Canvas Component
• Data Storage
• Media File Access
• Obtaining Page Node Information
• Authorization
• Developing an Immersive Page
• Customizing a Tab Bar
• On-Demand Injection and Render-Time Injection
• Obtaining User Information of a HUAWEI ID
• Obtaining Location Information
• Pushing Information to Users
• Integrating Payment Services
• Developing the web-view Component
• Navigating to an Atomic Service/Application
• Obtaining the Atomic Service Link
• Shared Data Storage Between Atomic Services and Widgets
• File Structure
• Project Configuration Using app.json
• Page Configuration
• Project Configuration Using ascf.config.json
• HXML
• CSS
• JavaScript (JS)
• App
• Page
• Route and Lifecycle
• Event Usage
• Event Response via the hjs Function
• Event Classification
• Event Binding and Bubbling
• Event Capture
• Event Object
• Two-Way Binding
• Component Template
• Tag in the Component HXML File
• Component Style and Isolation Strategy
• Component
• Component Lifecycle
• Creating a Custom Component
• Using a Custom Component
• Inter-Component Communication
• Observers for Data Listening
• Behaviors for Code Reusing
• Placeholder Component
• Response Event
• movable-area
• movable-view
• scroll-view
• swiper
• swiper-item
• view
• icon
• progress
• rich-text
• text
• button
• checkbox
• checkbox-group
• form
• input
• label
• picker
• picker-view
• picker-view-column
• radio
• radio-group
• slider
• switch
• textarea
• navigator
• image
• video
• camera
• Map
• canvas
• web-view
• API Availability Check
• System Information
• Lifecycle
• Application-Level Events
• Debugging
• Timer
• Atomic Service Information
• Format Conversion
• Routing
• Navigation
• Interaction
• Navigation Bar
• Tab Bar
• Font
• Pull-to-Refresh
• Scroll
• Animation
• Menu
• Custom Component
• Window
• Request
• Download
• Upload
• WebSocket
• Data Cache
• Map
• Image
• Video
• Camera
• Background Audio
• Recording
• File
• Location
• Canvas
• Account
• Authorization
• Settings
• Payment
• Privacy
• Message Subscription
• Shipping Address
• Invoice
• IAP
• Network
• Telephony
• Device Orientation
• Code Scan
• Vibration
• Battery Info
• Calendar
• Bluetooth - General
• Bluetooth - BLE
• Contacts
• Wi-Fi
• Screen Brightness
• Accelerometer
• Compass
• Gyroscope
• Keyboard
• Pasteboard
• encryption
• Third-Party Platform
• HXML
• Push Kit
• What should I do if the ASCF template cannot be found in DevEco Studio?
• What should I do if an error message is displayed during debugging of the ASCF atomic service in DevEco Studio?
• What should I do if the ASCF engine is not automatically updated to the latest version?
• What should I do if syntax check and prompt for ASCF code are not supported?
• What should I do if hot reload fails to enable in DevEco Studio?
• What should I do if the error message "Output path is error" is displayed during conversion of the mini program source code?
• What should I do if the path is unavailable?
• What should I do if the error message "ERROR: build-profile.json5 file not found" is displayed?
• What should I do if the error message "ERROR: XXX contains error, please check it." is displayed?
• What should I do if the error message "TypeError: Cannot read properties of undefined (reading 'hxml')" is displayed?
• What should I do if the error message "Failed to execute 'createElement' on 'Document'" is displayed?
• What should I do if an error occurs in HSP dependency check?
• What should I do if components of the current package or main package cannot be displayed?
• What should I do if an error message "ERROR: unknown option '--serve'" is displayed?
• What should I do if an error message is displayed at has.login runtime?
• What should I do if an error message is displayed at has.uploadFile runtime?
• What should I do if the input parameter is empty due to undefined properties when customizing a component?
• What should I do if an atomic service fails to start during hot reload?
• What should I do if error code 9 is returned when the ASCF application package fails to be uploaded to AppGallery Connect?
• What should I do if a white screen or an exception occurs after mini program code is converted to ASCF code?
• What should I do if JS or JSON file modification does not take effect during hot reload?
• What are the differences between ASCF and mini programs?
• ASCF Runtime
• ASCF Plugin
• ASCF Toolkit
• HarmonyOS Game Services
• Overview of Incentive and Supportive Policies
• HarmonyOS App Developer Incentive Program 2026 (Cash Incentives)
• Petal Ads Incentive Policy (Ad Incentives)
• All-Scenario Access and Innovation Capabilities (Resource Incentives)
• Independent Games (Supportive Policies)
• Incentive and Supportive Policy Consultation
• Overview of Using Cocos Creator
• Preparing for Adaptation
• Game Code Adaptation
• System Capability Adaptation
• Building a Project
• Running and Debugging
• (Optional) Improving Performance
• Overview of Using Cocos2d-x
• Preparing for Adaptation
• Engine Adaptation
• Game Code Adaptation
• System Capability Adaptation
• Third-Party SDK Code Isolation
• Third-Party Library Adaptation
• (Optional) Converting .mk to CMake
• Generating a Project of HarmonyOS 5.0 or Later
• Running and Debugging
• (Optional) Improving Performance
• Overview of Using the Laya Engine
• Preparing for Adaptation
• Game Code Adaptation
• System Capability Adaptation
• Third-Party Library Adaptation
• Building a Project
• Running and Debugging
• (Optional) Improving Performance
• System Adaptation of Games Developed Using Unity
• Overview of Using Your Own Engine
• Preparing for Adaptation
• Lifecycle Adaptation
• Thread Model and Inter-Thread Communication
• Audio and Video Adaptation
• Node-API Cross-Language Calling
• Rendering and Window Development
• Multi-Device Adaptation
• Touch and Gesture Event Binding
• File System Adaptation
• System Capability Adaptation
• Log System Adaptation
• Third-Party Library Adaptation
• Running and Debugging
• (Optional) Improving Performance
• Technical Support for System Adaptation
• PC Adaptation
• Vision Device Adaptation
• Technical Support for Multi-Device Adaptation
• (Mandatory) Basic Game Service
• Overview
• Prerequisites
• Consumables, Non-consumables, or Non-renewable Subscriptions
• Auto-renewable Subscriptions
• Importing Products in Batches
• Prerequisites
• Non-subscriptions
• Auto-renewable Subscriptions
• Modifying Products in Batches
• Common Errors
• Non-subscriptions
• Auto-renewable Subscriptions
• Prerequisites
• Deleting a Digital Product
• Restoring a Digital Product
• Conversion Rules
• Optimization Rules
• Ads Kit
• Push Kit
• Game Controller Kit
• Nearby Transfer
• Resource Package Background Download
• Tap to Transfer
• Huawei Technical Support
• Pre-release Check
• Making Preparations
• Submission for Release
• Sending a Review Reminder, Requesting Urgent Review, or Canceling Review
• Game Release Technical Support
• Version Change History
• Introduction
• Workflows
• AppGallery Connect API
• About Accounts and Permissions
• Managing Your Developer Account
• Managing the Team Account
• Roles and Permissions
• Topping Up
• Setting a Spending Notification
• Viewing Account Spending Details
• Creating a Project
• Managing Data Processing Locations
• Creating a HarmonyOS App
• Creating an Atomic Service
• Viewing App Information
• Managing Huawei Open Capabilities
• Overview
• Using the Free Quota of a Paid Service
• Checking the Free Quota Usage
• Upgrading a Service Bundle to the Pay-As-You-Go Plan
• Downgrading a Service Bundle to the Free Plan
• Checking the Plan List
• Overview
• Registering a Device
• Deleting a Device
• FAQs
• Overview
• Requesting a Debug Certificate
• Requesting a Release Certificate
• Requesting an In-House Release Certificate
• Requesting an Enterprise App Re-signing Certificate
• Requesting a Binary Certificate
• Configuring a Public Key Fingerprint
• FAQs
• Overview
• Requesting ACL Permissions
• Overview
• Requesting a Debug Profile
• Requesting a Release Profile
• Requesting an In-House Release Profile
• Overview
• Registering an Emulator Debug Credential
• Overview
• Configuring a Privacy Statement (for a HarmonyOS App)
• Configuring a Privacy Statement (for an Atomic Service)
• Configuring a User Agreement
• FAQs
• Overview
• Service Introduction
• Obtaining Authorization from the Server
• Upload Management API
• Obtaining the File Upload URL
• Uploading a File
• Initializing Chunk Information
• Obtaining Chunk Upload URLs
• Uploading a Chunk
• Merging Chunks
• CommonUrlInfo
• ConnectRet
• FilePartComposeInfo
• FilePartInfo
• FilePartUploadInfo
• Result Codes
• Provisioning API Guide
• Requesting a Certificate
• Querying a Certificate
• Deleting Certificates
• Adding Devices in Batches
• Querying the Device List
• Deleting Devices
• Requesting a Profile
• Querying the Profile List
• Modifying Devices Bound to a Profile
• Deleting a Profile
• AddDeviceInfo
• AddDeviceResult
• CertInfo
• ConnectRet
• DeviceInfo
• ProvisionInfo
• Result Codes
• Languages
• Country/Region Codes
• App/Game Categories
• App Rating
• Obtaining the Public Key for Signature Verification
• Price Conversion Rules
• App File Restrictions
• Release Guidelines
• Making Preparations
• Uploading Your Package
• Configuring Supported Devices
• Configuring Localized Information (App Name and Icon)
• Configuring an App Category and Tags
• Configuring Service Information
• Selecting a Package to Be Released
• Configuring Release Countries/Regions
• Configuring Localized Information (Introduction, Features, and Assets)
• Configuring In-App Purchase Items and In-App Products
• Configuring Content Rating
• Configuring a Privacy Description
• Configuring a Privacy Statement
• Configuring Privacy Tag Information
• Configuring Copyright Information
• Configuring Information for the Reviewer
• Setting the Release Time
• Submitting the App for Review
• Release Guidelines
• Making Preparations
• Uploading Your Package
• Configuring Supported Devices
• Configuring Localized Information (Name and Icon)
• Configuring an App Category and Tags
• Configuring Service Information
• Selecting a Package Version
• Configuring Release Countries/Regions
• Configuring Localized Information (Introduction, Features, and Assets)
• Configuring In-App Purchase Items
• Configuring Content Rating
• Configuring a Privacy Description
• Configuring a Privacy Statement
• Configuring Privacy Tag Information
• Configuring AI Function Declaration
• Configuring Copyright Information
• Configuring Publication Approval Information
• Configuring an In-App Product
• Configuring the Information for Reviewers
• Scheduling the Release
• Submitting the App for Review
• Release Guidelines
• Making Preparations
• Uploading Your Package
• Configuring Supported Devices
• Configuring Localized Information (Atomic Service Name and Icon)
• Configuring an Atomic Service Category, Tags, and Qualifications
• Configuring Service Information
• Selecting a Package to Be Released
• Configuring Localized Information (Introduction and Features)
• Configuring In-App Purchase Items and In-App Products
• Configuring Content Rating
• Configuring a Privacy Description
• Configuring a Privacy Statement
• Configuring AI Function Declaration
• Configuring Information for the Reviewer
• Setting the Release Time
• Submitting the Atomic Service for Review
• Releasing an In-House App
• Sending a Review Reminder or Canceling Review
• FAQs
• Updating App Information
• Updating a Version
• Rolling Back an App
• Releasing an App by Phase
• Removing an App or Atomic Service
• Deleting an App or Atomic Service
• Viewing the Version History
• Interaction Center
• Technical Support
• Asset Specifications
• Package Parsing Error Codes
• Version Update Error Codes
• Overview
• Getting Started
• Overall Process
• Workspace
• About Accounts and Permissions
• Managing Your Developer Account
• Managing the Team Account
• Roles and Permissions
• About Projects and Apps
• Creating a Project
• Creating a HarmonyOS App or Atomic Service
• Creating an Android App
• Creating a Quick App
• Creating an iOS App
• Creating a Web App
• Data Processing Location
• Data Processing Location Policies
• Viewing App Basic Information
• FAQs
• Overview
• (Optional) Configuring the App Signing Certificate Fingerprint
• Integrating Services
• Debugging an API
• Overview
• Requesting a Debug Certificate
• Registering a Debugging Device
• Requesting a Debug Profile
• Overview
• Sandbox Testing
• Cloud Testing
• Cloud Debugging
• Integration Check
• Open Testing
• Early Access for Games
• Overview
• Requesting a Release Certificate
• Requesting a Release Profile
• Releasing a HarmonyOS App
• Releasing an Atomic Service
• Releasing an App (APK)
• Releasing an App (RPK)
• Releasing an App (App Bundle)
• Pre-orders
• Releasing a Multi-APK App That Supports One Device Type
• Configuring GMS/HMS Restrictions in the Multi-APK Version Release Scenario
• Package Parsing Error Codes (HarmonyOS)
• Package Parsing Error Codes (Non-HarmonyOS)
• FAQs
• Updating the Details of a Released App
• Releasing an App Update
• Releasing an App by Phase
• Version Update Errors (HarmonyOS)
• Sending a Review Reminder or Canceling Review
• Removing an App from Sale
• Rolling Back an App
• Deleting an App
• Transferring Non-HarmonyOS Apps
• Viewing App Credit Records
• Viewing Version History of an App
• Home Page of App Analytics
• Distribution Reports
• Operations Reports
• Quality Reports
• Analytics FAQs
• Comments
• Developer's Message
• Managing Gifts
• Creating an In-App Product
• Modifying an In-App Product
• Setting Automatic Price Updates
• Activating or Deactivating an In-App Product
• Deleting or Restoring an In-App Product
• Managing Subscription Groups
• Managing Product Marketing
• Currency Conversion Rules
• FAQs
• Interaction Center
• Technical Support
• Supported Countries/Regions, Languages, and Currencies for Product Management
• AppGallery Connect Service White Paper
• Specifications for App Visual Assets
• Google File Conversion Tool
• How do I flush HiLog information?
• How do I print HiLog information of the current application only?
• What should I do if garbled characters are displayed in HiLog information?
• What should I do if the hilog.debug log cannot be printed?
• How do I query the current CPU usage of an application?
• How do I query the allocated heap memory size and free heap memory size of an application?
• How do I obtain system logs when an application fault occurs?
• How do I use the hdc command to send a local file to a remote device?
• How do I check whether an application is a system application?
• How do I capture the crash stack and implement the crash callback?
• How do I analyze the CPU usage of an application online?
• How do I obtain the CPU usage of a device?
• How do I obtain the SDK version, product version, device type (tablet or mobile phone), and build version of a device?
• How do I choose between console.log and HiLog?
• How do I view stack traces for error logs generated in ArkCompiler?
• What are the common hdc commands for exporting and importing files?
• What should I do if there are three devices that cannot be identified in a single device manager?
• What should I do if the hdc server and client versions are inconsistent?
• What should I do if "Kill server failed" is displayed?
• Is there a directory that can be written into an executable program using the hdc file send command?
• What should I do if the MacOS cannot identify hdc commands?
• What should I do if "hdc server port 8710 has been used" is displayed when connecting a phone to the computer?
• How do I start a UIAbility using the hdc command?
• How do I stop an application using the hdc command?
• How do I take a snapshot or obtain an album using the hdc command?
• How do I query the MAC address on a HarmonyOS PC/2-in-1 device?
• How do I clear the application cache on the mobile phone using the hdc command?
• How do I wake up a device and view the screen status using the hdc command?
• Can an .app file be installed using the hdc command?
• How do I select a crash collection mode? What are the differences between ErrorManager, FaultLog, and HiAppEvent in terms of crash listening?
• Is there a limit on the length of logs printed by HiLog?
• How do I obtain the UDID of a device using the hdc command?
• How do I use ErrorManager to capture exceptions?
• Are the logs returned by the OH_LOG_SetCallback API of the HiLog module the same as HiLog logs flushed to disk by the system?
• How do I address application performance exceptions caused by HiLog?
• What should I do if the message "command not found" is displayed after a command is executed in hdc?
• How do I obtain the hdc executable binary file?
• What should I do if no USB device node exists in the Docker or WSL system and no information is returned after a command is executed in hdc?
• What should I do if it returns "unauthorized" when I run the hdc list targets command to query device information during wireless debugging of the watch?
• What should I do if the hdc cannot access the device after installing the VPN software astrill?
• What should I do if "FreeChannelContinue handle->data is nullptr" is displayed after a command is executed in hdc?
• What should I do if the hdc cannot connect to the MacBook (ARM chip)?
• What should I do if the error message "command not found: hdc" is displayed after running the hdc list targets command in the toolchains directory of the SDK?
• What should I do if it fails to install bundle using hdc?
• What should I do if the hdc command cannot be executed when Linux 18.04 is installed for the first time?
• What should I do if the device connection status can be viewed by running the hdc shell command, but the DevEco Studio connection status flickers and shows no device?
• What should I do if an error message "hdc server port XXXX has been used" is displayed during hdc debugging and switching ports has no effect?
• What should I do if the hdc list targets command output is displayed slowly?
• Why are HAR packages generated after HSP packaging? Do they increase the application package size?
• What measures are taken to ensure code security from the perspective of package management?
• What is the relationship between App Pack, HAP, HAR , and HSP?
• How do I reference an externally compiled .so library file in a HAR or HSP?
• Can I declare abilities or extensionAbilities in the SharedLibrary (HSP) configuration file?
• How do I add pages into a window functioning as a toast in a HAR?
• How do I enable a service module HAR to obtain data from the host HAP?
• How do I install an App Pack using commands?
• How do I determine whether an application can be uninstalled?
• Do the HAR and HSP support ability or page declarations?
• Does the HAR support cyclic dependency?
• Is dependency transfer supported? For example, can a HAP call the APIs provided by HAR B if it depends on HAR A, which in turn depends on HAR B?
• How do I fix the "Resource id invalid" error reported when calling resourceManager.getStringResource?
• What is the relationship between HAP, HAR, and HSP? Can I declare abilities and pages in them? What are the recommended use scenarios for each of them?
• How do I reference a HAR or HSP?
• How do I distinguish HARs from HSPs in a decomposed HAP package?
• What is the level of the context obtained by calling the createModuleContext API in the HAP?
• How do I obtain the bundle name of the current HAP?
• How do I implement modular code management and cross-module routing without using a UIAbility?
• When classes are exported from an HSP, are TypeScript files exported as .d.ts or .d.ets?
• How do I avoid unexpected data, configuration, or information security risks that may arise from files under the module being packaged into a HAR file?
• How do I upload a HAR under multiple accounts?
• What is the purpose of the .har file generated after an HSP is compiled?
• How do I unify HSP version numbers?
• How do I package multiple HAPs from different projects into a single App Pack?
• Is there a limit on the number of HSPs that can be referenced in a HAP?
• How do I convert a HAR to an HSP?
• Does the HAR support transitive dependencies?
• How do I implement cross-module page navigation?
• How do I uninstall a debug package?
• How do I resolve dependency version conflicts?
• Why does the installation fail if the vendor parameters of HSP files in the same App Pack are different?
• How can two HSPs use each other's components without depending on each other?
• How do I install a HAP on a device?
• What are the main use scenarios of HARs and HSPs?
• How do I convert an HSP into a HAR?
• Is the bm quickfix command recommended for creating a quick fix file?
• What should I do when the error message "INSTALL_FAILED_APP_SOURCE_NOT_TRUSTED" is displayed while the hdc command is used to install a release HAP package on the device?
• How do I query the bundle name, vendor, version, installation time, update time, and others of an application package?
• How do I Install an APP file? Is there any command available for the installation?
• What are the restrictions for installation-free applications, how do I interpret related fields, and how do I carry out a self-test?
• What should I do when the message "failed to install bundle. install debug type not same" is displayed during HAP installation?
• Is there any other way to download and install HAP packages besides AppGallery?
• How do I determine whether the current application is a debug package or a release package?
• How does an application check whether another application is installed?
• How do I access files in the rawfile Directory across HSPs?
• How do I obtain the signature fingerprint information (.p12 file) of an application package?
• What should I do if cpp crash is logged with error "resolveBufferCallback get buffer failed" when multiple HSPs are loaded?
• What data format does "--BEGIN CERTIFICATE--" stand for in the HAP file?
• Are there any differences between signed and unsigned packages?
• How do I share an HSP in an application?
• How do I obtain the packaging time of the HAP file through code?
• How do I obtain a notification when the device screen orientation changes?
• How do I use the lifecycle functions of AbilityStage?
• How do I configure not to retain mission snapshots in Recents after terminateSelf() is called for a UIAbility?
• How do I exit an application?
• What should I do when the error message "Failure[INSTALL_FAILED_SIZE_TOO_LARGE] error while deploying hap" is displayed during the HAP deployment?
• How do I obtain the cache directory of the current application?
• How do I obtain the temp and files paths at the application level?
• In which ArkTS file is the lifecycle callback function of the EntryFormAbility invoked?
• What should I do when an error is reported during the call of startAbility() for a multi-module application?
• Does a time-consuming background operation of a UIAbility affect the onForeground lifecycle of another UIAbility?
• How are the processes of an application started?
• Are third-party applications allowed to fork processes on mobile phones?
• What methods can be used to transmit data between two UIAbility components?
• Does a crash of an ExtensionAbility process cause a crash of the main process?
• Do multiple UIAbility components run in one or more processes? Can a third-party application run in multiple processes? Will the running of child processes be affected when the main process ends?
• How does an ExtensionAbility communicate with the main process?
• How do I subscribe to the lifecycle changes of a UIAbility instance on a page?
• When are the onUnhandledException and onException callbacks triggered?
• Can EventHub be used in TaskPool?
• Does the hdc shell command support schema URI simulation redirection?
• Can a UIAbility be started using ApplicationContext?
• What are the differences between the stage model and the FA model in intra-process object sharing?
• How do I call an installed application to open specific files?
• How do I start a browser application?
• Can a custom transition animation be used during a UIAbility migration?
• What are the differences between the UIAbility and UIExtensionAbility? What are their use scenarios?
• What is the relationship between the UIAbility, page, and component? How do I use them?
• What are the use scenarios of Emitter and EventHub?
• How do I disable the full-screen display of a window?
• How do I obtain the application version number, version name, and screen resolution?
• How do I obtain the ability information of specified bundle flags?
• How do I obtain the UIAbilityContext of a UIAbility, page, or component?
• How do I obtain the context in a utility class?
• What are the differences between ApplicationContext, UIAbilityContext, and Context?
• What should I do when error message 401"The context must be a valid Context" is reported during the use of UIAbilityContext?
• What are the relationships between applications, atomic services, and service widgets?
• What are the differences between system applications, third-party applications, and pre-installed applications?
• How do I set the default language and application name to Chinese?
• How do I query the PID of an application process?
• How do I deploy .so files in the debugging and release phases with code signature enabled?
• What are the differences between the app.json5 file and the project-level build-profile.json5 file?
• What are the account requirements for hopping?
• How do I enable the permission request dialog box to automatically display during application launch?
• How do I determine whether an application is running in the background if it has multiple UIAbility components?
• What are the impacts on an application when developing non-UI features using TypeScript instead of ETS in terms of memory, CPU, and hap size?
• How do I determine the initiator of an application?
• How do I obtain the UIAbility name of the current application?
• How do I check whether an application is running in the foreground or background?
• How do I set an application to automatically restart?
• How do I obtain the list of applications installed on a device?
• Will the UIAbility be reclaimed when the memory is insufficient? If reclaimed, can it be restored through the page stack?
• How do I obtain files in the rawfile directory through ResourceManager?
• Does HarmonyOS restrict an application process from forking subprocesses? Does it allow executable files in applications to run (fork+exec) and read their own processes in ptrace mode? Will this method be restricted in the future?
• What are the differences between the two page loading modes provided by HarmonyOS?
• How do I access the system application Files?
• Is the HarmonyOS NEXT system in big-endian or little-endian mode?
• What are the relationships between UIContext, Ability, and UIAbilityContext?
• How do I create a background task in the stage model?
• How does an application continue to provide services after switching to the background?
• How do I apply for multiple continuous tasks?
• What are the process resource usage specifications during application running?
• How do I check whether the WorkSchedulerExtensionAbility callbacks onWorkStart and onWorkStop are correctly implemented?
• How do I query system logs related to transient tasks, continuous tasks, deferred tasks, and agent-powered reminders in background tasks?
• Can data be returned asynchronously in Inter-Process Communication (IPC)?
• How do I redirect to a specific page by tapping a service widget?
• What are the differences between atomic services and service widgets?
• What is the relationship between ArkTS, ArkUI framework, and HarmonyOS SDK/API?
• What should I do when a crash occurs after I convert a JSON string obtained from rawfile into an object and call the instance method?
• How do I use regular expressions?
• How do I generate a random UUID?
• Does ArkTS provide a method similar to System.arraycopy in Java?
• Should I change the file name extension of all ArkTS files to .ets?
• Where is the .abc file generated after the build?
• What are the differences between ArkTS and TS files?
• How do I implement string encoding and decoding?
• How do I generate a UUID string?
• What are the common attributes to be used and how do I implement the APIs when using Node-APIs to extend TS APIs?
• How is a raw file read by the thread created by pthread?
• What is the memory sharing principle of a sendable class object of ArkTS?
• How do I implement synchronous method calls in ArkTS as easily as using synchronized in Java methods?
• Do ArkTS APIs support overloading?
• How do I convert the implementation in the Java-like thread model (memory sharing) to the implementation in the ArkTS thread model (memory isolation)?
• Where can I find the libc++ library? Is it packed into an HAP?
• What is the product of the AOT compilation mode and what are .ap, .an, and .ai files?
• What are the differences between .ets and .ts files and how do I call methods defined in the files?
• What should I do since globalThis cannot be used in ArkTS?
• What are typical scenarios and usage of this in ArkTS?
• How do I access static variables and methods of a class?
• How do I merge two objects?
• How do I Implement a capability similar to Java reflection?
• Is the underlying running environment of ArkTS code self-developed or open-sourced (such as v8 or jscore)? Is the same running environment reused for React Native code?
• What data type conversion methods are used in ArkTS?
• Is it possible for developers to manage the number of threads?
• Is dynamic module loading supported? How do I implement it?
• How do I implement Aspect-Oriented Programming (AOP)?
• How do I use the AOP API to implement repeated instrumentation or replacement?
• How can I determine whether instrumentation or replacement can be performed on an API?
• How do I parse a JSON string as an instance object?
• How do I use runtime annotation in ArkTS?
• How do I use a custom decorator in ArkTS?
• Does ArkTS support destructing?
• Can ArkTS files be loaded in TS files? Is the use of TS be restricted?
• Is ArkTS capable of using reflection to call static and instance member functions of a class?
• How do I obtain elements in an ArrayList using indexes?
• How do I convert a map into a JSON string?
• How do I obtain the class name of an object?
• How do I convert a JSON object into a HashMap?
• How do I convert an ArrayBuffer to a string?
• How do I convert the Uint8Array type to the string or hexadecimal type?
• How do I perform Base64 encoding?
• What are the differences between object assignment and deep/shallow copy?
• Does ArkTS support multiple inheritance?
• Does ArkTS support intersection types?
• Does ArkTS support anonymous classes?
• How do I use Record?
• How do I use AOP to count the method execution time?
• How do I generate the setter and getter methods of a class?
• How do I convert the sendable type to JSON data?
• How do I handle big integers?
• How do I implement different code logic based on the passed-in parameter type of a function?
• How do I use the tool library to parse and generate JSON format?
• Will memory leakage occur when A holds B while B references A?
• How do I obtain object values by key?
• What is the loading process of ModuleManager?
• How do I view the detailed build process?
• How do I traverse JSON objects?
• How do I determine the type of an object?
• How do I use Reflect to correctly bind the this pointer in ArkTS?
• Where is the mapping file of code obfuscation?
• How do I obtain all methods of an object?
• How do I use the built-in JavaScript engine? What is the JIT support policy?
• How do I use closures in ArkTS?
• Can static and instance member functions of a class be invoked through dynamic import in runtime reflection?
• How do I obtain environment variable information?
• How do I obtain the CPU usage time of an application process?
• How do I specify some attributes of an object for serialization?
• What do I do if the precision of the number type is lost during object deserialization?
• What is the maximum length of an array?
• Does ArkTS use an asynchronous I/O model similar to Node.js?
• Do I/O intensive tasks like network requests need to be processed by multiple threads?
• Does the @ohos.net.http module need to use TaskPool for handling tasks?
• How do I troubleshoot initialization errors at runtime caused by inter-module circular dependencies?
• What should I do when there is no error log about compilation exceptions?
• How is a callback function defined in ArkTS?
• How does this of a function in an object point to the outer layer?
• How do I implement anonymous inner classes?
• How do I define an object with any key?
• How do I implement interface methods at the call site?
• What are the ArkTS type conversion methods other than as?
• How do I export the default export object in Index.ets?
• Does ArkTS allow the calling of methods in JavaScript files?
• Can I obtain the AST syntax tree of the .ets file in the compilation phase?
• What should I do if the application fails to initialize the class instance through object literals, and how do I solve the problem?
• How do I process special characters during URL encoding?
• What are the use cases of ArkTS custom annotations?
• How can I create a thread?
• How do I design a concurrency scheme to support a large number of threads?
• How do I set task priorities?
• Will performance be compromised by inter-thread communication of JS objects that depends on serialization?
• What are the similarities and differences between TaskPool and Worker?
• Do Worker and TaskPool limit the number of threads?
• How is the processing result of a C++ thread created by a JS thread using NAPI returned to the JS thread?
• What is the multithreading model of the system?
• Can context be transferred across threads?
• How do I implement secure access to the same shared memory in multithreaded concurrency scenarios?
• Which has a higher priority, the main thread or child thread? What are their task execution policies?
• How do worker threads and TaskPool threads communicate with the host thread in ArkTS?
• Does ArkTS support multithreading development using a Java-like shared memory model?
• What is the thread mechanism of ArkTS? Is each thread a separate JS engine? If a thread has relatively low overhead, why is the number of threads limited?
• How does the TaskPool communicate with the main thread during task execution? How do I implement simultaneous access to the same memory variable?
• Are multithreading operations on the preferences and databases thread-safe?
• If most background tasks (computing, tracking, and storage) in ArkTS use asynchronous concurrency mode, will the main thread respond more slowly and finally cause frame freezing and frame loss?
• Will the main thread be blocked if await is used in the main thread of ArkTS?
• Can I dynamically load modules (HAR, HSP, and SO) in TaskPool?
• How do I implement memory sharing in a TaskPool thread?
• Can an application manage the background I/O task pool? Is any open API provided for management?
• How do I fully utilize the device performance with a limited number of threads?
• How do I implement memory sharing in a worker thread?
• How do I determine whether the calling thread is the main thread?
• How do I perform instrumentation and replacement on asynchronous methods?
• How do I implement multiple Worker instances in ArkTS?
• How do I use TaskPool to call object member functions in a subthread?
• How do I enable multi-level subthreads in Worker?
• How do I obtain the context of TaskPool and Worker?
• Does it support #include and std::pmr::vector?
• What should I do if a performance dip occurs while obtaining the length of the string passed from ArkTS on the native side?
• What should I do if the string passed from ArkTS is truncated on the native side?
• How do I export APIs from multiple C++ source files?
• How do I dynamically load a .so library in ArkTS and C/C++ at runtime?
• How do I integrate a third-party .so library in C/C++?
• How do I exchange map data between ArkTS and native?
• How do I export custom C++ classes and call their APIs in ArkTS?
• How do I change the C++ version supported by a project?
• How do I obtain the screen brightness on the native side?
• How do I write a temporary file to the user directory in native code?
• How do I add the debug declaration in native code?
• How do I distinguish the ArrayBuffer and Uint8Array objects created by ArkTS in native code?
• How do I encapsulate native functions into a class and export the class to ArkTS for use?
• How do I obtain information printed by printf in native code?
• How do I obtain the ArkTS application bundle name on the native side?
• How do I invoke ArkTS system capabilities on the native side?
• How do I use the ArkTS asynchronous APIs defined by the system from the native side?
• How do I use ArkTS APIs of other modules from the native side?
• How do I import a third-party library in ArkTS?
• How do I access raw file resources of an application from the native side?
• How do I access resources across modules from the native side?
• How do I obtain the application version information on the native side?
• How do I bind the data of an ArkTS object and the data of a native object?
• How is env obtained when a callback is executed by Node-API?
• How do I call ArkTS APIs from the native side (using C/C++)?
• How do I integrate the third-party library curl and use it to send HTTP data requests?
• How do I use the third-party library AKI to implement cross-language calls between ArkTS and C/C++?
• How do I use other third-party libraries in a native project?
• How do I use HiLog to print log information on the native side?
• How do I use SO libraries of the so.x.y type, for example, libxxx.so.3.1 and libxxx.so.3.1.0?
• What is the napi_module struct?
• How do I obtain an operable file directory on the native side?
• How do I use the .so library functions in an existing project for a new project?
• How do I modify a native KV pair in ArkTS and pass the new value to the native side?
• How Do I obtain an object and its member variables from ArkTS on the native side?
• How do I correctly set the header file path in the CMakeLists.txt file?
• How do I import the header file deviceinfo.h on the native side?
• How do I create an ArkTS object on the native side?
• Where is the name of the .so library generated in the native C++ template defined, and which parameters must match the module name?
• How do I print the char pointer in native code?
• How do I persist an object created in C++ (for example, by using napi_create_object) or a JS value to be passed as a parameter? How do I implement automatic increment and decrement of the reference count?
• How do I display logs of different levels during CMake compilation?
• How do I release a C++ object wrapped in an ArkTS object?
• How do I obtain an ArkTS Uint8array instance on the native side?
• How do I obtain an ArkTS class instance on the native side?
• How do I call C++ APIs across HAP modules?
• How do I specify the target OS architecture during HarmonyOS build?
• How do I reference the object created by napi_create_buffer in ArkTS?
• How do I use the char pointer to construct an ArrayBuffer on the native side?
• How do I obtain the module version information from the CMakeLists file?
• How do I declare the custom type object passed to the native side in the index.d.ts file?
• How do I modify the object data and properties passed from ArkTS on the native side?
• How do I export native APIs from multiple xxx.d.ts files?
• How do I listen for native log information from ArkTS?
• What should I observe when using napi_run_script_path() to execute the abc files in a package?
• How do I use network functions via C APIs?
• How do I implement HashMap conversion between ArkTS and C/C++?
• In addition to pending exceptions, are there any other exceptions when napi_call_function is called?
• Can native APIs be exported from an HSP or HAR? If not, is there any other alternative solution?
• What should I do if multiple SO libraries depend on each other?
• How do I use the .so file built from another module in a module?
• Why cannot napi_env be cached?
• How do I manage C++ objects in ArkTS?
• How do I ensure the application compatibility if the libc++ version of the HAR is different from that of the project?
• How do I open a file on in C/C++?
• How do I manage the object lifecycle on the native side?
• Does C/C++ provide the OpenSSL library?
• How do I release an ArkTS object on the native side?
• How do I directly call ArkTS APIs in a C++ child thread on the native side without triggering callbacks on the ArkTS side?
• Thread-related questions when the ArkTS layer invokes native layer interfaces
• How do I trigger ArkTS callbacks in a C++ subthread since there is a restriction for the native thread to obtain env?
• How do I invoke a function transferred from ArkTS in a C++ subthread?
• How do I call ArkTS asynchronous APIs on the native side and return asynchronous computation results to the native side?
• What is the thread relationship between native code and ArkTS code, and are there any restrictions on the thread usage?
• Are napi_env and napi_value instances shared across Worker threads?
• How do I create a subthread on the native side? What are the restrictions? How does the native subthread communicate with the main thread?
• How do I use a Worker thread to call NAPIs to rewrite variables in a loop?
• Does napi_env on the native side support delayed or asynchronous calls?
• How do I manage the JSVM_CallbackStruct lifecycle?
• What should I do if "error: unknown type name '_Bool'" is reported during the compilation of an HAP project?
• What should I do if OOM (v8::FatalProcessOutOfMemory) occurs?
• How do I use OH_JSVM_GetValueStringUtf8 to obtain a string?
• What do I do if the application crashes when JS code is executed in Finalizer()?
• What should I do if an application exits due to memory exceptions of the member variable (array_buffer_allocator_) in the VM when OH_JSVM_CreateVM is called by multiple threads during application running?
• How do I mitigate the aliasing issue when scaling an image loaded by the Image component?
• How do I throttle gesture events, for example, disallowing repeated trigger of click events within 500 ms? How do I perform unified throttling on multiple gestures?
• How do I implement screenshot prevention?
• How do I obtain the coordinates of touch points in a long press gesture callback?
• How do I customize the Tabs navigation bar and its alignment mode?
• How do I implement exposure tracking in a scrollable container component?
• How do I set different attributes for UI components under different scenarios?
• How do I return parameters when navigating pages with Navigation?
• How does the TextInput component obtain focus?
• How do I set the start position of the cursor at the upper left corner in the RichEditor component?
• How do I keep the layout unchanged after the soft keyboard pops up?
• How do I enable the indicator to slide along with the tab navigation bar when switching tabs?
• How do I resolve the nested scrolling conflicts between the Web and List components?
• How do I resolve the scrolling conflict with two layers of Tabs components?
• How do I remove focus from a component?
• How do I load and use custom fonts?
• How do I implement a mixed text and image layout?
• How do I implement the pin-to-top or pin-to-bottom effect for list item groups?
• How do I resolve the issue of the List component not scrolling to the bottom without setting a height?
• How do I implement a multi-column layout using the List component?
• How do I set the corner radius and spacing for a list item group?
• How do I obtain the visibility of UI components?
• How do I implement slot-like functionality?
• What should I do if the margin does not take effect after a child component is displayed in full screen?
• How do I use PanGesture or SwipeGesture to implement the inertial scrolling effect of a custom component?
• How do I listen for orientation status changes of the device screen? How do I enable the window to rotate with the device?
• How do I customize event transfer between parent and child components to, for example, resolve scrolling conflicts?
• What should I do if the UI does not refresh with ForEach and LazyForEach when the data source is changed?
• How do I control UI re-rendering for the Canvas component?
• How do I adjust the position of specific UI components when the keyboard pops up without affecting the overall layout?
• What parameter types and unit types do components support? When are they used?
• How does the Text component load Unicode characters?
• How do I register custom fonts? How do I obtain font resources from the storage path?
• Does AppStorage allow for object sharing between threads? If not, what is the recommended alternative?
• How do I track component data or state in the build process of custom components? For example, how do I add log tracking for state variables in the build?
• How do I make content move up when the keyboard pops up, instead of the entire page moving up?
• How do I move the bottom layout up to the top of the keyboard when the text box brings up the keyboard?
• How do I apply a linear gradient blur effect to images?
• How do I remove the fade-out effect on both ends of the Tabs components?
• How do I obtain the text width in the Text component?
• Do I need to set a default height for custom components?
• Why do custom dialog boxes fail to enter the onPageShow method?
• What should I do if large icons set for the toolbar in the Navigation component are clipped?
• How do I use bindContextMenu for the Image component?
• What is the controlButton attribute of the SideBarContainer component used for? How do I set it?
• How do I listen for screen rotation?
• How do I set window rotation?
• How does a component synchronize state with its grandchild components?
• How do I clear the content of the TextInput and TextArea components with one click?
• How do I set the position of a custom dialog box?
• What is the function of the gridCount parameter in the custom dialog box (CustomDialog)?
• How do I customize the eye icon for the password input mode of the TextInput component?
• How do I use the onSubmit event of the TextInput component?
• How do I set the caret position to the start point for when the TextInput component obtains focus?
• How do I obtain the attribute information of a component?
• How do I obtain the current scrolling offset of a scrollable component?
• How do I align text vertically?
• How do I customize the font color and size for text in the TimePicker component?
• What should I do if the constraintSize settings fail to take effect?
• How do I set the background color to transparent?
• How do I customize the control bar style of the Video component?
• How do I set state-specific styles for a component?
• How do I implement a text box that automatically brings up the soft keyboard when it obtains focus?
• How do I display different types of data by group in a List component?
• Does $r support nested resource access?
• How do I set a gradient background color for the Button component?
• What should I do if the soft keyboard obscures the content on scrollable pages, preventing upward scrolling?
• How do I set the TextInput component to accept only certain characters?
• How do I resize a floating window based on the component's content size?
• How do I set multiple columns for the List component?
• How do I set the style of the divider that distinguishes the tab bar from the tab content in a Tabs component?
• Why can the content in the RichText component be scrolled?
• How do I set the List component to have no bounce effect when scrolling to the edges?
• How do I reduce the aliasing effect on images?
• How do I implement multi-line input?
• Does the Text component support setting font styles by segment?
• How do I change the font color for the status bar?
• How do I set the text box to select all text when the dialog box is displayed?
• Why is the height of blank lines inconsistent with the font height?
• How do I set the text box to select all text when it has characters entered?
• Why does the color: 'rgba(0, 0, 255, .5)' settings fail to take effect?
• How do I change the background color of the TextInput component in pressed state?
• How do I set the maximum and minimum widths and heights for a component?
• How do I set the background color for the XComponent component?
• How do I apply a blur effect to a component?
• What is the baseline in vp for UI layouts to achieve cross-device adaptation?
• How do I get and set the screen brightness?
• Can the hover effect be customized for TextInput?
• How do I remove the fade effect displayed when swiping to the edges of a tab bar?
• How do I implement a nested scrolling effect with two levels of Tabs components?
• Can the scrollbar of the Grid component be customized?
• How do I set the gradient effect for both ends of the List component?
• How do I scroll long text?
• How do I set XComponent to transparent?
• How do I control the fixed height of a sheet transition?
• How do I implement a placeholder animation for item dragging in a Grid component?
• How do I concatenate string variables in ArkUI?
• How is the real-time background blur be implemented for swiping down to reveal the Control Panel?
• How do I obtain the width and height of an image?
• How do I resolve the issue of the page header being truncated when the keyboard pops up in a web page within a dialog box?
• How do I hide the navigation bar in the Navigation component?
• How do I set the width of a child component so that it does not exceed the size of its parent component?
• What should I do if the Image or ImageSpan component would not load an image when a string-type path is passed?
• How does the Image component read an image from the sandbox?
• How do I implement event passing through?
• How do I determine whether text is truncated after setting maxLines for a Text component?
• How do I achieve an effect similar to CSS keyframes?
• Can an external Stack container adapt to the styles such as rounded corners of the internal container components?
• How do I resolve the issue of Alignment.Bottom not taking effect in the Stack layout?
• Does the layout support capabilities similar to calc(100vh - 100px) in CSS?
• How do I obtain the parameters passed by router.back?
• What should I do if the onBlur and onFocus callbacks cannot be triggered?
• How do I disable the scroll event of a Grid component nested in the Scroll component?
• How do I enable a component to rotate continuously?
• How do I scroll a list with the keyboard displayed?
• Why doesn't pressing Enter trigger a click event when the focus is on a keyboard-navigated object?
• How do I block event bubbling when a button is nested in multi-layer components?
• How do I fix incorrect recognition of the pan gesture where container nesting is involved? (API version 9)
• How do I implement a button that only responds to the bound onClick event, but not the onTouch event bound to the button's parent component?
• How do I prevent the TextInput component from bringing up the default keyboard?
• How do I prevent a component's mouse events from bubbling up to the parent component?
• How do I implement the slide up and slide down effect for page transition?
• How do I configure custom components to slide in and out from the bottom?
• Can child component events be passed to parent components?
• Can other events besides keyboard and mouse events have their bubbling interrupted?
• Why is onVisibleAreaChange triggered twice when a component is hidden?
• Does @Watch have stickiness?
• Why does using @Watch to call async functions slow down UI responsiveness?
• How do I remove the Video component from a page?
• What should I do if calling stopPropagation does not prevent the touch event from being dispatched?
• How do I obtain the window width and height?
• Can I set variables for the universal attribute width?
• How do I determine whether a JS object contains a specific value?
• How do I hide the status bar on the top of an application?
• How do I lock the window in portrait mode so that it does not rotate with the device?
• Why do the isStatusBarLightIcon and isNavigationBarLightIcon attributes set by calling setWindowSystemBarProperties not take effect?
• How do I keep the screen always on?
• How do I listen for window size changes?
• How do I obtain the screen width, height, resolution, and orientation information?
• How do I set an immersive window?
• How do I obtain the width and height of a window?
• How do I resolve the issue where the modal window created by Window does not have the default focus, leading to unresponsiveness to the back gesture event?
• How do I obtain the height of the status bar and navigation bar?
• How do I align the TabBar of the Tabs component to the left?
• How do I switch the window between landscape and portrait modes?
• Is there an alternative solution for handling "9-patch" images (also known as "draw9patch," ".9 images," and "dot9 images")?
• Are there any callback events after a component refresh in ArkUI?
• How do I implement another dialog box in a custom dialog box?
• How do I implement dragging functionality for the Grid component?
• How do I set an immersive status bar?
• How do I dynamically control the keyboard binding to different TextInput components?
• How do I use iconfont?
• What is the caching mechanism for the Image component?
• What are the rules for generating keys in ForEach?
• What are the differences between the Flex component and W3C's flexbox?
• Do ArkUI components support inheritance?
• Do @Style and @Extend support export?
• How do I dynamically update the Canvas content?
• Does the custom component support generics?
• Can a custom component be saved through a container?
• How do I resolve the error "undefined is not callable" when using BuilderParam to call a method in the parent component?
• How can a component detect when the application is switched to the foreground or background?
• How do I implement chain calls in a custom component as in system components?
• What is the difference between setting attributes externally and setting them inside the build method for a custom component?
• How do I implement a loading effect when the page is loaded?
• How do I implement pull-to-refresh and pull-up-to-load-more effects?
• How do I obtain the height of the notch area? Which value in topRect should be used: height, top, or the sum of height and top?
• How does the system handle users' screenshot and recording operations after an application prohibits screen capturing?
• Is there any obstruction in the touch target of the component at the bottom of the screen?
• How do I obtain the device screen orientation?
• Is the subwindow created by default in full screen? How do I hide the status bar when the window is in full screen?
• How do I make the Grid component automatically adapt its height when the height is undetermined?
• How do I obtain the screen information of a phone?
• How do I resolve the issue where clicking the child component area triggers the parent component's click event?
• How do I address the issue where both a child component and its parent component trigger touch events when the user is interacting with only the child component?
• Why is the gradient opacity set using 0x eight-digit colors different from the # eight-digit resource color values?
• How do I enable the background to change with the text size?
• How do I use ListItemGroup together with LazyForEach?
• How do I set the font of the Text component so that it is not affected by the scaling of the display size in system settings?
• How do I obtain the height of the navigation indicator at the bottom?
• How do I implement a list that can scroll both horizontally and vertically?
• How do I implement pull-to-refresh using the Swiper component?
• What should I do if vp2px and px2vp return incorrect results?
• Is there a maximum number of pages limit for navigation? If the router stack exceeds 32, will it be unresponsive or will it throw an error?
• How do I use the navPathStack parameter of Navigation?
• How do I set the height of a child component in a Navigation container to 100% to fill the parent container?
• What is the difference between pushPathByName and pushDestinationByName in Navigation?
• How do I enable the soft keyboard to disappear on touching a button?
• How do I obtain the heights of the status bar, navigation bar, and navigation indicator?
• How do I implement text expand and collapse functionality?
• How do I enable a list to scroll back to the current display position after a pull-to-refresh operation?
• Can TextInput gain focus after it has the visibility attribute set to Hidden or None?
• How do I obtain route parameters on a NavDestination page when using the Navigation component for navigation?
• How do I implement cross-file style reuse?
• How do I implement cross-file component reuse?
• How do I adapt my application to the screen cutout?
• How do I Implement a unified grayscale feature for a window, page, or component?
• How do I implement drag and drop to exchange child component positions in a List component?
• How do I restore a swipe action item to its initial state?
• How do I implement pull-to-refresh and pull-to-load-more on nested scrolling of the List, Swiper, or Grid components?
• How do I trigger the application to run in the background in the code?
• How do I disable the rebound effect used when the scroll boundary is reached for the Tabs component?
• How do I switch between the custom keyboard and the system keyboard?
• What is the difference between struct and class?
• How do I implement page-level transparency for navigation between pages?
• How do I implement lazy loading of a two-dimensional array?
• How do I implement a QR code with an image?
• Can the event response order be set when a List component is nested within a Scroll component, so that the List does not respond to scroll events and the outer Scroll scrolls the entire layout?
• How do I clear the focus in a text box?
• How do I take a screenshot and obtain the screenshot content?
• How do I obtain a WindowStage instance from a page?
• How do I obtain the component rendering completion time?
• How do I disable the click gesture of the Toggle component while dragging?
• How do I open a half-screen display through routing?
• How do I recognize double-tap gestures while ignoring single-tap gestures?
• How do I obtain the touch target of a component?
• How do I copy content directly to the pasteboard?
• How do I customize the long press trigger time of onItemDragStart in the long-press drag and drop scenario?
• How do I use bindSheet with ForEach?
• How do I draw a rounded rectangle using the canvas?
• How do I set the left and right margins for mirrored languages?
• How do I Implement the single-sided rebound effects in Scroll and List components?
• How do I merge two lists and support lazy loading?
• Why doesn't the auto setting for height take effect for the RelativeContainer component when child components use the container as an anchor?
• How do I disable the split-screen mode?
• How do I resolve the conflict between scroll events and gestures in scrollable containers?
• How do I combine ListItemGroup with LazyForEach and implement component reuse?
• How do I cancel the text selected state when closing the custom menu in the Text component?
• What are the differences in usage between the WaterFlow, Grid, and List containers?
• How do I control the display level of CustomDialog?
• How do I resolve the performance issue caused by the long duration of key generation in the third parameter of ForEach?
• How do I prevent the display of intermediate transition tab pages when switching pages in the Tab component?
• Why does performance degrade when LocalStorage frequently reads and writes complex objects?
• How do I bind different custom keyboards to different text boxes?
• Does batch updating of multiple @State decorated state variables within a custom component affect performance?
• How do I determine whether the data loaded in the List component exceeds one screen?
• What are the common component attributes for which auto can be set?
• How do I make LazyForEach work in a double-nested list?
• How do I avoid blank spaces when the Marquee component scrolls text for the first time?
• How do I prevent accidental tab page turning during web page scrolling and accidental web page scrolling during tab switching?
• How do I determine whether the current device is a foldable phone?
• How do I keep the keyboard focused in a subwindow?
• How do I implement a gradient mask effect at the top in a live broadcast comment scenario?
• How do I add other components to the tab bar in Tabs?
• How do I implement a partial hollow-out effect using Canvas?
• How do I resolve the issue of abnormal clipping with ellipsis in the Text component when the content is a mix of Chinese, numbers, and English characters?
• How do I implement a folding animation for the List component?
• How do I modify the corner radius and arrow color of the popup bound by bindPopup?
• How do I control the popup offset to adapt the popup to the Web component's long-press menu?
• How do I prevent the image from flickering when Badge switches the quantity display?
• How do I delay the status change of the Toggle component after it responds to a click?
• How do I obtain dark color values using getColorSync(resource) in dark mode?
• How do I remove the phonetic mark when converting Chinese characters to Pinyin?
• How do I change the size, color, and position of the password icon in the TextInput component's password input mode?
• How do I resolve overlapping between the status bar and page content?
• How do I implement an immersive status bar background color?
• How do I adapt the color of the status bar to the color mode?
• How do I hide the status bar in full screen mode and show it when not in full screen mode?
• How do I set the minimum and maximum font sizes for the Button component?
• How do I ensure that a foldable phone adapts to rotation in the unfolded state but does not in the folded state?
• How do I implement dynamic component mounting and unmounting?
• What should I do if the system gestures for long pressing and panning on the Image component conflict with custom gestures?
• How do I implement the feature of closing a floating window through a swipe gesture?
• How do I obtain the original object before it is proxied by the ArkTS state management framework?
• Why a window instance cannot be used to obtain the updated window size in the display.on('change') callback?
• How do I obtain the screen orientation and avoidAreaChange information at the same time?
• How do I implement an immersive page with an immersive status bar and immersive navigation bar?
• How does AspectRatio affect the layout?
• How do I set click events for different positions in a custom span?
• What is the difference between window orientation enumerated values?
• How do I implement automatic screen rotation for applications?
• What are the differences and restrictions between a custom builder function and custom component?
• How do I concatenate string variables of ArkUI components?
• How do I enable Screen Hopping?
• Can I instrument ArkUI components such as pages?
• How to simulate a touch event?
• What are the possible causes of long dlopen:libace_compatible.z.so duration during cold start of an application?
• What is the relationship between the onAreaChange and windowStatusChange callback events? Which one is triggered earlier?
• Why the upper extended hot zone configured with the responseRegion attribute responds to clicks but the lower one does not?
• What should I do if the XComponent component in surface mode displays abnormally after renderFit is set?
• What should I do if flickers occur during the component disappearance animation?
• How do I implement the text gradient effect?
• How do I disable the pull-down refresh feature of the Refresh component?
• What should I do if some text colors are displayed abnormally when I use a Text component to nest a Span component or use an attribute string to render text?
• Why does the application crash when I use a router? How to troubleshoot the problem?
• Why do navigations through the router fail?
• What are possible causes of white screen during page redirection?
• How do I set the dialog animation and mask animation separately?
• How do I load SVGA files?
• How do I customize the position of an indicator in Swiper?
• Why do both onClick and .parallelGesture gestures respond to the long-press operation when a component is bound to both of them?
• How do I draw a mosaic on an image?
• How do I implement the effect that swiper changes its height based on the sliding distance?
• Why does the custom title bar using Navigation not take effect?
• How do I listen for the Navigation page lifecycle?
• How do I check whether the lower-layer page of the Navigation page is covered by Dialog?
• What are the page lifecycles managed by Navigation, and through which callback can I listen for the page lifecycles?
• Can the NavDestination page in the Navigation component be cached so that it can be reused when pushed onto the stack next time?
• How do I quickly convert RouterMap registration to wrapBuilder registration in Navigation router?
• Are there any optimization suggestions for the time-consuming issue when opening a page using the Navigation component?
• By which lifecycle method can the lower-level page in the Navigation Router perceive the pop-up and destruction of the upper-level NavDestinationMode.DIALOG?
• How do I correctly call the queryNavDestinationInfo API in the Navigation component when it returns undefined?
• How do I set a default page in the Navigation component?
• How do I listen to the end time of the system animation after page switching in the Navigation component?
• Can internal pages of the Navigation component be preloaded?
• How do I disable the animation for switching between single and double column modes?
• What methods can be used to switch between content pages in the Tabs component?
• How do I listen to Navigation page stack changes?
• Why does Navigation display a white screen after page redirection via pushPathByName?
• How do I implement a swipe-to-exit feature using ArcSwiper during Watch development?
• How do I implement transition animations for the dialog or background mask in NavDestinationMode.DIALOG mode?
• Why does it not trigger the onPop of B and C during Navigation page redirection from A->B->C->D, with D directly calling popToName to navigate to A?
• In which lifecycle is it recommended to receive parameters on the Navigation page?
• How do I manage Navigation page parameters, for example, transferring parameters, returning parameters, and obtaining parameters?
• How can I use Navigation to transfer NavPathStack instances between custom components?
• What should I do if an error is reported during Navigation inter-module redirection?
• How do I align the TabBar of the Tabs component to the left?
• How do I distinguish between the two scenarios of onPageHide: when the application is switched to the background and when a new page is opened?
• When NavPathStack clears the page stack or the back button is clicked, why is the navigation bar displayed, and what should I do to exit the page where Navigation is located?
• Does the Tabs component support lazy loading?
• How do I decouple the animation logic from the Navigation component when using customNavContentTransition to customize transition animations?
• Why does the watch receive the onHidden callback message 2 minutes after the screen is turned off?
• How do I implement a partially visible effect of an item using Swiper?
• Is there a demo project that uses Navigation to implement cross-module redirection, including the practice of the system route table and custom route table?
• How do I disable the default bottom sliding animation triggered by the removeByName method of the Navigation component?
• How do I adapt ArcSwiper to the watch crown?
• How do I add throttling to the Swiper component to control the Swiper switching frequency?
• How do I set the margin of the Tabs component so that the blank margin can follow the swiping?
• Can the Scroll content area scroll when its height is less than the component height?
• How do I set nestedScroll so that the Scroll component scrolls first, and the outer scrolling container scrolls after the Scroll component scrolls to the edge?
• What should I do to make the dialog box not be displayed above the next page?
• What should I do if the popup menu cannot be displayed when showInSubWindow is set to true when using bindPopup on a PC?
• What should I do if component A responds to the click event outside the menu area when component A is configured with a long-press menu through bindContextMenu?
• How do I make API version compatibility check for UI component properties?
• How do I disable popup content when using components such as TextInput and TextArea?
• What should I do if the customized tabBar switching animation of the Tabs component is delayed and the tabBar switching is triggered only after the Tabs page switching is completed?
• What should I do if the TabContent page of the Tabs component takes a long time to load and preloading is not working?
• Can soft keyboard avoidance be implemented in modal transition and sheet transition?
• How do I listen to the display of TabContent in the Tabs component?
• How do I set a one-way swipe-to-switch between the content pages within the Tabs component?
• Why does the transparent part of a page turn black when a component is used to take a screenshot and save it as a JPG image?
• Why is the performance of FrameNode not as good as that of declarative syntax?
• Can the isAttached API of FrameNode be used to determine whether a FrameNode is displayed on the screen?
• How do I prevent memory leak when data is stored in the AppStorage?
• What should I do if the values inside cannot be obtained after storing an object in AppStorage?
• What should I do if the dialog box remains visible above the displayed page during page redirection through customDialog?
• What should I do if a page opened through a sheet is covered by it?
• What should I do if a blank screen is displayed when swiping left using the Swiper component?
• How do I implement forcibly refreshing the page data when switching tabs?
• What should I do when the tab key is used for focus traversal, but focus moves between the last page and the last tab?
• How do I remove the built-in accessibility reading of the customized tabBar of the Tabs component?
• What should I do if the onClick event of the outer container cannot be blocked when stopPropagation is called in onTouch of a child container?
• How do I disable click-based switching for Tabs and disable TabContent switching by swiping the content page?
• How do I preload a specific TabContent page for the Tabs component?
• How do I evenly set the width of the Tabs navigation bar based on the number of tab bars?
• How do I make the Tabs component automatically adapt its height to the content?
• What should I do if it crashes when using the input parameters to refresh the UI in aboutToReuse?
• What should I do if transition animation within the component takes effect for newly added content but does not take effect for deleted content?
• What should I do if child components of the Tabs component contain if nodes, and the tab bar association is abnormal after the if condition is changed?
• What is the blank space at the bottom of the Navigation page, and how do I remove it?
• How do I implement the eye comfort mode?
• How do I check the specific limitation when ComponentSnapshot returns error code 100001, indicating that the screenshot size is too large and exceeds the hardware limitation?
• What should I do if the text color is overlaid with a layer of transparency after setting the opacity for the Text component?
• How do I implement canceling the current long press gesture when it is moved out of the component?
• How do I determine the component occlusion status and proactively hide the occluded components?
• What should I do if an error occurs when I define a method in a custom component?
• What should I do if the application keyboard is blocked and half of the text box is blocked?
• How do I ensure that the layout of the floating window is normal when I drag the floating window to the extended monitor on a HarmonyOS computer?
• How do I set the custom keyboard to be edge-aligned with the text box?
• How do I listen to and avoid three-key navigation?
• How do I set a keyboard that supports only text input, that is, disable the AI feature of the keyboard?
• How do I obtain the changes in the cursor?
• How do I store PixelMap data to a database?
• How do I share preferences data in an application that has multiple HAPs?
• Where is the database file stored?
• How do I persist data in card development?
• How do I obtain files of a specific type from the database?
• How do I use full-text search of SQLite?
• How do I obtain the SQLite version supported by the system?
• What does it mean if rowCount in resultSet returned by RdbStore.query() is -1?
• How do I read data from a local or preset database?
• How do I ensure that only one write operation is performed at a time in an SQLite-based database? How do I create an index?
• What should I do if error code 14800007 is reported during data query?
• What should I observe in RDB store thread-safe development?
• How do I obtain data using predicates?
• What is the difference between batchInsert() and insert()?
• What should I do to store multiple tables? Should I store multiple tables in a database or store each table in a database? What are the principles of using these two solutions?
• Is the same RDB store object obtained if relationalStore.getRdbStore is executed multiple times with the same parameters?
• Can I create a singleton that always holds a database object? Is there any impact on performance?
• What is the absolute path of the database file (.db) of an application?
• What are the search capabilities supported by the RDB store?
• Must bundleName in createKVManager() be the application's bundle name?
• Must the default value of each attribute of distributed objects be initialized to undefined to prevent data backfeeding?
• What is the difference if I call on() before setSessionId() and after setSessionId()?
• Why the preferences data is lost after the application is restarted?
• How is the preferences context obtained by an .ets file without UI styles?
• How do I implement synchronous calling of RDB store APIs?
• What should I do if "code: 401 err: Error: Parameter error. The type of 'value' must be ValueType." is returned?
• How do I view or export persistent data?
• How do I obtain the sandbox path of application data?
• What should I do if the size of the WAL file in the RDB is abnormal after data is inserted?
• Are preferences APIs thread-safe?
• Why is the RDB store not deleted after deleteRdbStore() is called successful?
• Why can't I store the data of all applications in the same directory or database, given that the sandbox mechanism used in HarmonyOS isolates application data and allows access only from its own application?
• How do I select a data storage solution?
• How do I ensure that preferences data can be properly read across modules and processes?
• How is data security ensured in data management?
• Is relationalStore thread-safe?
• Will the persistent preferences data be retained if the application is updated?
• Why does the ArkData StoreConfig.customDir not take effect?
• How do I prebuild database data into an application?
• What is the first parameter appId in deleteKVStore() of @ohos.data.distributedKVStore?
• Regarding relationalStore.RdbStore, how do I query a database? Do I need to create a child thread to query the database?
• Can I dynamically add fields for ValuesBucket?
• How do I use the zip module to decompress files in the project's rawfile directory to the sandbox directory of an application?
• How do I create a file if the file to open does not exist?
• What should I do if the file contains garbled Chinese characters?
• How do I modify the specified content in the JSON file in the sandbox directory?
• How do I save pixels as an image file?
• What is the destination download directory for an application?
• Can I use Want to start an application during file sharing instead of displaying the selection window?
• What is the maximum length of a file name supported by the system file manager?
• Does fs.write() support encoding formats other than UTF-8?
• How do I obtain the used cache size of an application and clear the cache?
• Is a synchronous Hash.hash API available?
• What is the difference between the files in el1 and el2?
• How do I determine the operation permission on a file based on the mode of an FD?
• Where can I find the screen recording files on my phone?
• How do I export a file from my phone, for example, to an external storage device?
• How do I save logs with the faultLogger?
• How do I prevent the files from being deleted when the application is uninstalled?
• Should I call fileIo.closeSync in ArkTS after close() in C is called to close the FD obtained by fileIo.openSync?
• How do I verify file consistency?
• What is the difference between fd and internal?
• After request.uploadFile() is used to upload a file, there is no callback for the message returned by the server. How do I know whether the file is successfully uploaded?
• Does the image URI returned by FilePicker have only temporary access permission?
• How do I read a byte array from a binary file and convert the ArrayBuffer returned by fileIo.createStreamSync to number[]?
• What should I do if fileIo.open fails to read the application sandbox path?
• How do I obtain the rawfile in the resources directory?
• What should I do if the error message "the parameters check fails this is fail path" is displayed?
• How do I set the font file path when registering a custom font in the font manager?
• How do I obtain the sandbox path in native code?
• Where are photos and videos stored?
• How do I continue writing data from the end of the last write operation?
• Where are the HAPs after an application is installed?
• Can I enable auto backup of the application data when developing a mobile application?
• Why is the length returned by fileIo.write is inconsistent with the content length?
• How do I obtain the file name extension?
• Why is the API for obtaining the user's Download directory unavailable?
• Why does the fileDir obtained vary with the context type?
• How do I read the specified content and convert it to an object?
• How do I check whether a path indicates a directory?
• What should I do if Picker does not have the permission during the cold startup of an application?
• How do I create a temporary file?
• How do I listen for file or folder changes?
• Where can I find screenshots?
• How do I convert a Base64 string to an image and save it?
• What should I do if the image path passed from ArkTS to C++ cannot be read by the C++ code?
• How do I select a path for saving a user file?
• Why is the content input by Celia keyboard read again? (For example, when a user enters '1', the system reads '1 1'.)
• How do I read the XML file in the rawfile subdirectory and convert its data to the string type?
• How do I obtain resources in the resources directory?
• How do I convert resources to the string format?
• How do I set numbers to be displayed with currency separators?
• How do I convert app.media.app_icon to PixelMap?
• How do I read the JSON file in the resources directory of a project?
• How do I convert the content in a file into strings?
• How do I obtain the rawfile resources from a HAR/HSP in a multi-module project?
• How does the return value of onLoadIntercept affect onInterceptRequest in the Web component?
• What should I do if the onKeyEvent event of the Web component is not triggered as expected?
• What should I do if page loading fails when onInterceptRequest is called?
• What should I do if the network status fails to be detected on the loaded HTML page?
• How do I enable the Web component to return to the previous web page following a swipe gesture?
• What are the differences between JSBridge communication and port communication in WebView?
• What should I do if the registered custom font is invalid in the WebView?
• What should I do if a white screen is displayed or the page cannot be displayed when the Web component loads a page?
• What are the differences between javaScriptProxy and registerJavaScriptProxy? How many objects can be registered?
• What are the differences between runJavaScript and runJavaScriptExt of WebView? When are they called in the page lifecycle (such as onPageShow and onPageEnd)?
• How do I synchronize cookies requested from the network to the web page?
• How do I set multiple cookies in batches?
• When should the cookie of the login information be injected? How do I ensure that the login information cookie can be injected into the web page that is just opened?
• How do I trigger onPageBegin and onPageEnd only when the Web component loads the URL for the first time?
• How do I adapt the Web and Webview to common front-end frameworks (such as Vue and React)?
• How do I add a header to a web request?
• How does a Web component access a local resource file and add query parameters?
• How do I determine whether a web page scrolls to the top or bottom and transfer the scrolling event to the page?
• How do I use the tag to open HTML5 pages of the Web component?
• How do I prevent the resources registered on the original page from being cleared after the HTML5 page loaded on the web page is redirected?
• How do I add parameters to a URL when the Web component uses rawFile to load offline HTML files?
• How do I use the alert function of H5 in the WebView?
• Does HarmonyOS support independent upgrade of the web kernel?
• Whether the third-party WebView kernel is supported?
• Does WebView support CodeCache?
• When should I use dynamically created Web components? What is the performance?
• How do I check the path of cookies?
• How do I hide the PDF operation button bar during PDF preview?
• What should I do if a white screen is displayed during WebView offline loading?
• What should I do if a white screen is displayed when the loaddata method of WebView is used?
• Whether the cookie in the WebView can be synchronized with that in the application?
• How do I run JS scripts before and after the DOM tree is loaded in the Web component?
• How do I store the WebController globally?
• What should I do if the process ID needs to be found during each debugging of the WebView?
• How do I set a custom user agent using a callback event of the Web component?
• Does the system support WebRTC? What are the specifications?
• How do I load files that are intercepted on the web page?
• How do I set the mixed content policy in WebView to load HTTP and HTTPS mixed content?
• How do I obtain the error code when an error occurs during Web component loading?
• How do I adapt the player on a web page to the full screen?
• Does the Web component support redirection to other apps through the URL Scheme protocol?
• How do I set the saveas parameter in request.agent.Config?
• How do I use the Web component to download PDF files and display them to users?
• How do I set the opacity effect of HarmonyOS Webview?
• How do I hide the scroll bar of Web components?
• What files can be previewed in WebView?
• What are the differences between the four risk levels illegal, fraud, risk, and warning when using the Web component to access a page? Does the risk levels can be customized?
• Is there an API to determine whether the Web component is bound to the controller?
• How do I use the onInterceptRequest API to asynchronously process response data?
• Can I use request.getRequestHeader() in onInterceptRequest to obtain all request headers?
• Whether the Web component has the listening or callback method when the PDF file fails to be loaded?
• How do I load a link with a hash (#) in the WebView?
• What should I do if accessBackward of Webview does not meet expectations?
• When should I call the getPageHeight method of WebviewController?
• Does the ArkWeb component support deep copy?
• How do I adapt ArkWeb to multiple devices?
• What is the memory usage and memory reclamation mechanism of the Web component?
• What should I do if the soft keyboard is displayed unexpectedly during web page switching?
• How do I convert an HTML page loaded by the Web component into a PDF file?
• How do I change the displayed white screen page to a custom error page when web loading fails?
• How do I properly render the returned HTML containing mathematical formulas to the page?
• What should I do if the image component fails to load online images due to network problems?
• What should I do if a web page is zoomed out when the vh unit is used for page adaptation?
• Will the permission request dialog box appear again after the user previously rejects such a request?
• Is the permission request dialog box displayed after an application update?
• What are the precautions for applying for the precise location permission?
• How do I display the permission request dialog box again when the user has denied a permission?
• Can a description be provided for a dynamic permission request?
• Can user_grant permissions be pre-granted?
• Which system security capabilities are naturally available and which require adaptation by developers?
• Can an application listen for the permission change made in Settings?
• Why isn't a pop-up displayed when an application applies for the location permission?
• What can I do to prevent the application from crashing when it is started again after the user denies the permission requested?
• Is dynamic authorization supported?
• What is the difference between extensionAbilities and requestPermissions in the module.json5 file?
• Can the asset store of an application be obtained by other applications? Can I disable cross-device sync of asset data?
• Do HarmonyOS applications require packing?
• How do I obtain the hash value of an application signing certificate?
• How do I use the RSA public key (string) issued by the server to encrypt plaintext?
• Does ECC support Secp256r1?
• How do I encrypt a large file using SM4?
• How do I use the RSA public key (pk) to encrypt a piece of text?
• How do I convert a public key to hexadecimal or Base64 format?
• What do I do if garbled characters are displayed after Base64 decoding?
• How do I encrypt and decrypt public and private keys?
• What should I do if error 401 is reported when RSA is used to encrypt data?
• What should I do if "Error message:convertSymKey key failed!" is reported in HMAC encryption?
• How do I use an existing certificate to encrypt an RSA public key?
• How do I use SM3 to calculate the message authentication code?
• How to store a public key?
• How do I convert a string into a key object during AES encryption?
• How do I use SM3 to generate a hash value?
• What should I do if "error 401 invalid param" is displayed when convertKey is called to convert the public key in RSA encryption?
• In which conditions will the key generated by HUKS be deleted or destroyed?
• Must the initial vector (IV) in HUKS be a random number? What is the impact of the IV on the key generated?
• What should I do if AES encryption fails in concurrency scenarios?
• Can the AAD be empty when the AES GCM algorithm is used in HUKS?
• What should I do if the plaintext after HUKS decryption is different from the original plaintext if Chinese characters are present?
• How do I obtain the public key of a HarmonyOS signing certificate?
• How do I use a custom PIN (6–16 digits) to unlock a key?
• What should I do if an error is reported when HUKS native APIs are used to generate a key?
• How do I store important data such as private keys?
• What is the difference between huks.isKeyItemExist and huks.hasKeyItem?
• Does HarmonyOS support pre-installation of a CFCA certificate?
• How do I obtain the parameters of the certificate chain validator?
• What data formats are supported by extraData in an HTTP network request?
• What does error code 6 mean in the response to an HTTP request?
• How do I upload photos taken by a camera to the server?
• What does netId mean in the netHandle object returned by connection.getDefaultNet?
• What knowledge do I need to know for using HTTP network connections?
• How do I set cookies for HTTP APIs?
• How do I write extraData in the HTTP request sample code?
• How do I obtain data through network requests and display the data through the List component?
• Does WebSocket support MQTT connections?
• How do I obtain data from the MySQL database through an NIC?
• What should I do if error 88 is reported for a socket connection?
• How do I configure the stage model to support HTTP plaintext data transmission?
• What is the difference between using a PixelMap and directly accessing a URL for the Image component to load a network image?
• Can I leave the Content-Type parameter unspecified in HTTP requests?
• What should I do if the HTTP request response is empty and the error message "The request has been canceled or the number of requests exceeds 100" is reported?
• Does the Socket API library support domain name binding?
• Can a specific thread be assigned for HTTP request execution?
• What is the maximum number of concurrent HTTP requests?
• Should I destroy an HTTP request after it is finished?
• Is an HTTP connection reusable?
• Can a specific network be specified for sending HTTP requests?
• Will the underlying system disable the socket connection if the network is unstable?
• Which third-party libraries are related to network requests?
• How does the third-party library @ohos/axios transfer parameters in queryParams when initiating a POST request?
• How do I send HTTP requests in JSON format in ArkTS?
• What should I do if calling connection.hasDefaultNet() fails when the network is normal?
• What should I do if error 404 is reported during installation of the Axios library?
• Is the key in the header of an HTTP request case sensitive in ArkTS?
• What should I do if httpRequest.request fails SSL certificate verification for using HTTPS?
• Can I obtain encrypted data from the result of httpResponse?
• What should I do if the callback in client.on("message," (value: SocketInfo)) cannot be received when SocketServer is used?
• How do I find out if a cellular network is used?
• How are HTTP requests transmitted in a form?
• How do I implement HTTP persistent connections?
• How do I implement HTTP concurrent download?
• What is the difference between request and requestInStream?
• How do I use Charles to capture packets?
• The address parameter of NetAddress can only be an IP address for socket-related APIs. What should I do if only the host is available?
• How do I convert the received object data to ArrayBuffer after a TCPSocket connection is established?
• How do I convert the network data obtained by Axios from the GBK format to the UTF-8 format?
• What should I do if "NetType":1 is returned in the common event of network connection status changes?
• How do I check whether the current network is accessible?
• What is the difference between netLost and netUnavailable events?
• What should I do if error 2300023 is reported when a file larger than 5 MB is sent via an HTTP request?
• What should I do if netBearType is inconsistent with the actual situation?
• If the network is unavailable, an error is reported when getConnectionPropertiesSync is used to obtain the network status. What should I do?
• How do I check whether a network is a VPN?
• How do I obtain the NIC link address and DNS address of a network connection?
• How do I determine the IP address version of the current network?
• How do I implement priority access to the Wi-Fi network when multiple networks are connected?
• What should I do if TCP connections are interrupted when the application is switched to the background?
• What is the certificate verification logic of the HTTP module?
• Can the HTTP module ignore certificate verification?
• Why are HTTP requests still cached in the local DNS after custom DNS is configured?
• How do I make a custom DNS take effect immediately when an existing HTTP link is reused?
• How do I set a timeout interval for the HTTP request initiated by the RCP module?
• Does the RCP request have a data size limit?
• How does a third-party application obtain the Bluetooth MAC address?
• How do I obtain the Wi-Fi list?
• What is the difference between USE_BLUETOOTH and ACCESS_BLUETOOTH?
• How do I obtain the IP address of the current device after it is connected to a Wi-Fi network?
• How do I obtain the network type?
• How do I determine the cellular signal strength?
• How do I send SMS messages?
• How do I obtain the system timestamp?
• Is it supported to obtain the list of all applications on a user's mobile phone?
• Can Emitter register multiple callbacks using on() for multiple times when the eventId is the same?
• Why only the permissions requested by the application are displayed in the system settings?
• How do I obtain the system version?
• How do I obtain the system time and remain the timestamp in Beijing time when the time zone is switched?
• Can I replace file path in the internal directory with other path while setting the uploadConfig?
• What does the error message "err number=8" mean when request.downloadFile() is called?
• What are OAID, AAID, and ODID and how do I obtain the unique identifier of a device?
• What should I do if the subscriber cannot receive subscribed events when the number of events published by the Common Event Service (CES) reaches the specified value?
• How do I obtain a wakelock to prevent system sleep?
• How do I obtain the API version numbers supported by a device?
• How do I ensure API compatibility on devices with different system versions?
• What should I do if error 201 is reported when calling a vibrator API?
• How do I read data of a motion sensor such as an acceleration sensor?
• How do I obtain the frame data of a camera when using the XComponent to display the preview output stream of the camera?
• How do I obtain the preview image of the front camera?
• How do I set the camera focal length?
• How do I obtain the camera status?
• How do I read the preview image of the camera?
• How do I prevent the camera preview from distorting when displayed in full screen?
• What should I do when an incorrect image is displayed after the camera in preview mode is switched to the background and then switched back?
• How do I disable the camera?
• What can I do if a black screen is displayed without any error information during preview?
• How do I prevent preview stream distortion?
• How do I turn on/off the flash?
• How do I invoke the system camera to take photos and obtain them?
• What video stream formats are supported?
• How do I set the video preview resolution?
• How do I implement the onPreviewFrame callback function for photo preview?
• What is the YUV data format?
• How do I implement video mirroring recording using the front camera?
• Is the memory of the object created by calling PixelMap_CreatePixelMap shared between the ArkTS and native sides?
• How do I select an image from Gallery and upload it to the server?
• How do I set the Gaussian blur effect for an image?
• What is the relationship between the quality parameter in the image compression APIs and the original size and compressed size of an image?
• What formats are supported for image encoding and decoding?
• How do I generate a PixelMap based on a photo selected from an album?
• How do I edit and crop photos in an album?
• How do I set the image resolution?
• How do I read photos in an album?
• How do I save the video frame data received by ImageReceiver locally?
• Why is the size of the obtained YUV data greater than (width x height x 1.5)?
• How do I implement conversion between PixelMap and Base64?
• How do I compress an image to a size lower than a specified limit?
• Error code 62980096 is reported when setting pixelFormat to NV21 or NV12. What should I do?
• How do I convert a PixelMap received on the C++ side into the cv::Mat format?
• How do I save a PixelMap to an album?
• How do I save network images to an album?
• How do I generate a QR code with a logo?
• How do I compress GIF images?
• How do I play music in the background?
• What should I do when multiple video components cannot be used for playback?
• What should I do when the OpenSL ES audio recording sample crashes?
• Does SoundPool support audio in WMV format?
• How do I listen for recordings?
• In which audio processing scenarios are 3A algorithms (AEC, ANC, and AGC) embedded?
• Does AudioRenderer provide an API for seeking to a frame?
• How do I implement a short prompt sound (for example, a sound or sound effect in scenarios such as liking, favoriting, or receiving new messages)?
• How do I prevent audio focus from being occupied when playing audio silently?
• How does a third-party application choose an appropriate audio stream type?
• How do I switch audio application development from OpenSL ES to OHAudio?
• How do I change the default output device during audio playback?
• How do I adapt audio focus?
• How do I adapt WebView focus?
• What should I do if there is no pause after device switchover?
• Why does the boot animation still have sound during a restart when the phone is set to silent mode?
• How do I implement the automatic pause feature on an application based on the audio output device change information?
• How do I intercept the volume adjustment events?
• How do I correctly set the AVRecorderProfile parameter when using the AVRecorder to record audio files in WAV format?
• How do I play audio files in PCM format?
• How do I seek to a specified playback position when using the AudioRenderer to play audio?
• What should I do when the AVPlayer occasionally reports error codes 5400104 and 5400103?
• What streaming protocols and functions are supported by the system AVPlayer?
• How do I interrupt the current audio playback and play another audio using the AVPlayer?
• How do I enable the AVPlayer to continue playing the previous video when the application is switched from the background to the foreground?
• How do I refresh and reload a video when using the Video component, such as when there is a network exception causing playback failures?
• Why does playing a local video source immediately after adding it to the Video component fail?
• How do I obtain the first frame of a video?
• Are there any restrictions on the screen recording frame rate? How do I set the maximum frame rate?
• How does an application respond to loop mode switching commands from the media controller?
• How does an application update the progress bar?
• Why are some buttons in the media controller grayed out and unclickable?
• Can I customize control elements displayed in the media controller?
• How do I implement continuous casting?
• Does the system support casting to DLNA-compatible devices?
• How do I customize the AVCastPicker component?
• How do I implement output device selection?
• What should the display on the local device look like upon a successful casting?
• What control capabilities are supported after casting?
• What are the possible causes of device connection failure, slow startup, and slow callback progress during playback?
• Which format is supported by VideoDecoder, AVCC or AnnexB?
• What are the multiplexing formats and encoding formats for audio and video files?
• How do I obtain the codec capability supported by the system?
• How do I compress videos?
• How do I synthesize images into a video?
• How do I draw a custom animation using EGL?
• What should I do if a crash occurs when multiple threads call OH_Drawing_CreateFontCollection?
• Are EGL operations supported in multithreaded scenarios? How do I operate a buffer to draw a graphic in multithreaded scenarios?
• How do I send decoded frames for display?
• What should I do when OpenGL cannot normally render YUV data with some resolutions?
• What should I do when the error code "EGL_BAD_SURFACE (300d)" is reported during the call of the eglSwapBuffers API? The log information "QEGLPlatformContext: eglSwapBuffers failed: 300d" is displayed.
• What should I do when the error code "EGL_BAD_ALLOC" is reported during the call of the eglSwapBuffers API?
• What should I do when the same OpenGL context is used in multiple threads?
• How do I choose between the texture types GL_TEXTURE_2D and GL_TEXTURE_EXTERNAL_OES?
• Does an EGLSurface support simultaneous display and output to the encoder?
• How do I proactively disable CPU access to window buffers to reduce power consumption?
• How Do I transfer events only in one UIAbility instance?
• How do I listen to system common events, such as screen-off, screen-on, and power-on?
• What is the mechanism of applying for the notification permission with the requestEnableNotification API?
• What are the differences between system pop-ups and application message push?
• How do I rectify a failure to call notificationManager.publish to publish notifications?
• After emitter.off is called to unsubscribe from an event, will all pages that have subscribed to the event no longer receive it?
• How do I apply for the precise location permission?
• What coordinate system is used by the Location kit and how do I convert the coordinate system based on the actual application scenario?
• Why does the setting of Interval to 1 not take effect in the indoor continuous positioning scenario?
• What should I do if the connection to Gitee timed out during sample importing?
• How do I resolve the SSL certificate verification error during sample importing?
• How do I resolve the network connection error during HarmonyOS SDK downloads?
• What should I do if DevEco Studio won't open?
• How do I configure the DevEco Studio proxy?
• What should I do if npm package installation fails?
• How do I use ohpm in the CLI?
• What should I do if sdkmgr fails to download the Linux SDK in the pipeline scenario?
• Does ohpm-repo support HSP management?
• What should I do if ohpm registry access fails in the environment check?
• How do I resolve the automatic signing error "The signature does not take effect or has expired. It may be the current system time is inaccurate, please calibrate the system time and sign again"?
• How do I set automatic wrapping for log messages in DevEco Studio?
• What should I do if the "Import DevEco Studio Settings" dialog box is displayed during runtime?
• What should I do if the packaging fails and error message "00303153 Configuration Error" is reported when configuring JDK25 in the environment?
• How do I resolve the "Incorrect settings found in the build-profile.json5 file" error during a project check?
• What should I do if the environment diagnosis and project/module creation pages are blank?
• How do I resolve the "Install failed FetchPackageInfo: hypium failed" error that occurs when opening a historical project?
• How do I use the ArkTS code template in DevEco Studio?
• How do I convert an HSP into a HAR?
• How do I convert a HAR into an HSP?
• How do I configure DevEco Studio to print log content exceeding 1000 lines in the console?
• How does DevEco Studio automatically install dependencies?
• How do I disable the automatic formatting feature in DevEco Studio?
• How do I resolve the "Unable to rename the file. Cause: Unable to delete D:\xxx\default" error when uninstalling the SDK on Windows using DevEco Studio?
• What should I do if uint8_t in the .h file cannot be used?
• How do I use Git in DevEco Studio to manage multiple remote repositories?
• How do I install an npm package in offline mode?
• What should I do if multiple instances of the warning "-Wunused-command-line-argument" in the project, which affect the viewing of valid logs?
• How do I configure the currently opened file to be automatically highlighted in the project directory?
• What should I do if the directory tree disappears from the left side of the project view?
• What should I do if the system APIs of the SDK are displayed in the ExternalCpp view?
• What should I do if intelligent code completion and navigation features do not work?
• Does DevEco Studio provide a feature to check for unreferenced resources in one click?
• How do I automatically format modified code when committing in DevEco Studio?
• How do I preview the structure tree in DevEco Studio?
• What should I do if the breakpoint area on the left side of the DevEco Studio editor disappears?
• How do I set up DevEco Studio to automatically add header comments and copyright notices when creating new .ets files?
• How do I resolve the "Property 'BUILD_VERSION' does not exist on type 'typeof BuildProfile'" error reported regarding BuildProfile during custom field building?
• How do I exclude large files from editor scanning?
• What should I do if the editing feature fails and the message "ArkTS language service terminated due to memory constraints." is displayed?
• What should I do if using the Node-API generation feature results in the "Unsupported parameter type." or "Unsupported return type." error?
• How do I resolve the "Failed to generate NAPI, check the napi_init.cpp file and try again." error when using the Node-API generation feature?
• How do I resolve the "Could not find usage of napi_module_register in napi_init.cpp." error when using the Node-API generation feature?
• How do I resolve the "Scan files to index fail" error when starting DevEco Studio?
• What should I do if the server fails to be started and the process exits unexpectedly?
• What should I do if the editor displays "The default system capabilities of devices wearable do not include SystemCapability.ArkUI.ArkUI.Circle" when using the ArcList component on DevEco Studio?
• Why does the @since X in the comment of an ArkTS API seem to be later than the actual introduction time of the API?
• How do I set the pixel values for the Previewer in DevEco Studio?
• What should I do if the Compress Logs and Show in Explorer feature in the Help menu does not work during preview?
• How do I resolve the "@Consume/@Link decorated property not initialized" error during preview?
• How do I resolve the "There are properties not initialized" error during preview?
• What should I do if the error message "Node service error detected.Reinstall DevEco Studio to fix the error." is displayed during the Previewer startup?
• How do I resolve the white stripes appearing at the top and bottom of the preview window?
• What should I do if "JS heap out of memory" is reported during compilation?
• What should I do if "JavaScript heap out of memory" is reported during compilation in a Linux environment?
• What should I do if "The re-export name 'xx' need to be marked as type" is reported during compilation?
• What should I do if "Cannot find module XXX or its corresponding type declarations" is reported during compilation?
• What should I do if "ERROR: Failed:entry:default@CompileResource" is reported during compilation?
• What should I do if "Module 'xxx' has no exported member 'yyy'" is reported during compilation?
• What should I do if "Could not load ${file1} (imported by ${file2}): Maximum call stack size exceeded" is reported during compilation?
• What should I do if "Property xxx does not exist on type 'typeof BuildProfile'." is reported during compilation?
• What should I do if the PC does not respond during the C++ project compilation?
• What should I do if the build fails due to mismatch of the JDK version?
• What should I do if "LABEL_VALUE_ERROR" is reported?
• What should I do if "Schema validate failed" is reported?
• What should I do if "Schema validate failed" is reported during compilation?
• What should I do if "No available entry module found" is reported during compilation?
• What should I do if "keystore password was incorrect" is reported during compilation?
• What should I do if "please check deviceType or distroFilter/distributionFilter of the module" is reported during compilation?
• What should I do if "Failed to generate test project build system" is reported during build?
• Why does a third-party dependency library of a C/C++ project fail to be packaged into the HAP?
• Why does the files in the src/main/cpp directory of the Static Library module fail to be packaged into the HAR?
• What should I do if "The ArkUI-X project's structure has been changed" is reported?
• Why does an .ap file fail to be built using Target AOT?
• What should I do if "ArkTS:WARN: For details about ArkTS syntax errors" is reported during compilation and build?
• What should I do if "ninja: error: mkdir(xxx): No such file or directory" is reported during compilation?
• What should I do if "(is the command line too long?)" is reported during compilation?
• What should I do if "CMake Error: The following variables are used in this project, but they are set to NOTFOUND" is reported during compilation?
• What should I do if a Build Init error is reported when Hvigor and hvigor-ohos-plugin versions are changed during synchronization?
• Why does Build Init fail to find the dependency after which is configured when updating Hvigor?
• What should I do if "ERROR: Task xxx was not found in the project xxx" is reported during build?
• What should I do if "The reason and usedScene attributes are mandatory for user_grant permissions" is reported during compilation?
• What should I do if "Only one default card can be configured in the form_config.json file" is reported during compilation?
• What should I do if "In the form_config.json file, if the value of the updateEnabled field is true, the updateDuration and scheduleUpdateTime fields cannot be both empty" is reported during compilation?
• What should I do if "App Launch: To run and debug the Harmony device, configure the HarmonyOS runtime." is reported during compilation?
• What should I do if "Property 'XX' does not exist on type 'typeof BuildProfile'." is reported during compilation?
• What should I do if "Signing material error" is reported during compilation?
• How do I build a debug or release version without modifying build-profile.json5 file?
• How do I configure dynamic dependencies in oh-package.json5?
• What should I do if the .abc file cannot be executed due to SDK and image version mismatch?
• What should I do if the struct of a custom component does not support the get or set method for defining member variables?
• What should I do if the HAP is not signed when an application is packed into an .app file?
• How do I sign a new module online?
• How do I configure the DevEco Studio to debug the dynamic library?
• How do I configure a native C/C++ library in a project?
• How does a HAR file reference a .so file which locates in another HAR file?
• How do I set the files to be excluded in the compilation configuration?
• How do I add a custom task during compilation?
• What should I do if an include error is reported during compilation?
• How do I control the CPU usage during compilation?
• How do I export the dependency tree of a project from DevEco?
• How do I use an npm package in a custom Hvigor task?
• How do I write the compilation script of the HAR file?
• How do I customize multi-target and multi-product builds?
• Can I use self-developed plugins in DevEco Studio?
• What should I do if "Property xxx does not exist on type 'typeof BuildProfile' is reported during compilation?
• How do I perform preliminary performance analysis for DevEco Studio compilation and build?
• How do I resolve the issue that the DevEco Studio compiles HSP and closed-source HAR files slowly because the emit process takes a long time to generate a declaration file?
• How do I obtain the value in BuildProfile?
• Is it supported to read the BuildProfile on the native side?
• What should I do if exception occurs when I run the hdc file send command?
• What should I do if "Couldn't find hvigor/hvigor-wrapper.js" is reported during pipeline build?
• What should I do if an error is reported when sdkmgr downloads the development package in commandline-tools-linux during pipeline setup?
• What should I do if "Operation not permitted" is reported during compilation in DevEco Studio?
• How do I pass parameters using the command lines and obtain them using the extension plugin of Hvigor during compiling?
• What should I do if an error is reported when the signature is generating?
• How do I pass in signature information through build parameters?
• How do I exclude a specific kind of logs from DevEco Studio?
• How do I set the CPU architecture for compilation and packing?
• What should I do if "platform/OHOS to use this system, please post your config file on discourse.cmake.org so it can be added to cmake" is reported?
• What should I do if "Failed to request the remote SDK" is reported during pipeline build?
• How do I improve the code obfuscation rate?
• Is the LLVM on the HarmonyOS NDK changed? Does it support the reuse of some intermediate products?
• Does armeabi-v7a support Neon instruction extensions?
• What is the applicable scope of the ARM64, ARMv7, and x86_64 architectures respectively?
• What should I do if a static reference exception occurs after obfuscation?
• What should I do if "too many open files" is reported during compilation?
• How do I configure and optimize the oversized package size?
• How do I build an HAR in the release mode?
• What should I do if "Error while Deploy Hap" is reported when compilation is successful but installation fails?
• How do I execute shell scripts in a build task?
• What should I do if "no such file or directory, realpath 'xxx'" is reported during compilation?
• What should I do if the memory usage is too high during compilation?
• What should I do if "Duplicated files found in module entry. This may cause unexpected errors at runtime." is reported during compilation and build?
• How do I remove the error "Cannot read properties of undefined(reading 'XXX')"?
• How do I resolve the "Duplicated files found in module xxx. This may cause unexpected errors at runtime." error?
• How do I resolve the "input module releaseType is different" build error?
• How do I resolve the "debug is different" build error?
• How do I resolve the "proxy data is duplicated" build error?
• How do I resolve the "Init keystore failed: parseAlgParameters failed: ObjectIdentifier()" error?
• How do I resolve the "generate SignerBlock failed" error?
• How do I resolve the "java.io.IOException: DerValue.getOID, not an OID 49" error?
• How do I resolve the "A 'undefined symbol' error has occurred" error during C++ compilation?
• How do I resolve the "A 'unknown type name' error has occurred" error during C++ compilation?
• How do I resolve the "The path XX is not writable. Please choose a new location" error?
• How do I resolve the "The useNormalizedOHMUrl settings of packages xxx and the project useNormalizedOHMUrl: xxx do not match" error?
• How do I resolve the "Could not resolve 'xxx' from" error when the 'xxx' directory exists?
• What should I do if the user directory does not contain an .npmrc file?
• How do I resolve the "Error: 'icon' value `$media:icons` invalid value." error?
• How do I resolve the "Error: cJSON_Parse failed, please check the JSON file." error?
• How do I resolve the "Error: the name 'XXX' can only contain [a-zA-Z0-9_]" error?
• How do I resolve errors with require statements in third-party packages?
• How do I resolve the "Indexed access is not supported for fields(arkts-no-props-by-index)" error?
• How do I resolve the "Declaration merging is not supported (arkts-no-decl-merging)" or "Cannot redeclare block-scoped variable 'xxx'" error?
• How do I resolve the "The inferred type of 'xxx' cannot be named without a reference to 'xxx'. This is likely not portable. A type annotation is necessary." error?
• How do I resolve the "arkts-no-any-unknown" and "Cannot find module 'xx' or its corresponding type declarations" errors?
• How do I resolve the "ERROR: ArkTS Compiler Error ERROR: /bin/sh: "xxxx/es2abc": Operation not permitted" error?
• How do I resolve the "Cannot add xxxx items to index" error?
• How do I resolve the "resource busy or locked, open 'xxx\outputs\build-logs\build.log'" error?
• What should I do if the signing is intercepted when the dynamic library is loaded on macOS?
• Why can a file without a default export be imported as a default import without causing any compilation error?
• How do I resolve the "The service widget file contains one or more references to HSPs" error?
• How do I resolve the "The required attribute: module-name is missing" error?
• How do I resolve the "The required attribute module-srcPath is missing" error?
• How do I resolve the "The srcPath is not a relative path: xxx" error?
• How do I resolve the "Method setProperty validate failed in hvigorfile.ts" error?
• How do I resolve the "Cannot resolved import statement" error?
• How do I resolve the "The type of target device does not match the device type configured by module: xxx" error?
• How do I resolve the "useNormalizedOHMUrl can be true only when Compatible SDK Version is 5.0.0 (12) or later" error?
• How do I resolve the "The local dependency below in module %s is invalid." error?
• How do I resolve the "There are some dependency names that are inconsistent with the actual package names." error?
• How do I resolve the "Local dependency in parameterFile does not exist." error?
• How do I resolve the "Invalid form name 'xxx'." error?
• How do I resolve the "File 'string.json' is missing the required property 'string'." error?
• How do I resolve the "Invalid tag 'xxx' at 'xxx/xxx.json5'." error?
• How do I resolve the "The 'tag' keyword is not allowed for 'version' at 'xxx/oh-package.json5'." error?
• How do I resolve the "module.json5 file not found." error?
• How do I resolve the "The name of the 'xxx' module must be a string, but received a value of type 'xxx'." error?
• How do I resolve the "The version number of the module must be a string, but received a xxx." error?
• How do I resolve the "This project is in the FA model and does not allow for external dependencies." error?
• How do I resolve the "This project is in the stage model and does not allow for dependencies of modules in the FA model." error?
• How do I resolve the "Cannot depend on HAP modules outside of this project" error?
• How do I resolve the "Unrecognized archive format in parameterFile" error?
• How do I resolve the "The reason and usedScene attributes are mandatory for user_grant permissions." error?
• How do I resolve the "The reason attribute are mandatory for user_grant permissions." error?
• How do I resolve the "CMake task execution failed" error?
• How do I resolve the "Duplicate 'routerMap' object names detected." error?
• How do I resolve the "Failed to obtain the module type." error?
• How do I resolve the "The permission under requestPermissions must be a value that is predefined within the SDK or a custom one that you have included under definePermissions." error?
• How do I resolve the "The metadata field in FormExtensionAbility cannot be left blank or as an empty array." error?
• How do I resolve the "In FormExtensionAbility, metadata must contain an object with its name set to 'ohos.extension.form' and resource set to a second-level resource reference." error?
• How do I resolve the "byteCodeHar not supported when useNormalizedOHMUrl is not true." error?
• How do I resolve the "Duplicate 'Module-Abilities' object names detected." error?
• How do I disable all bytecode HAR configurations in a project?
• What should I do if the error message "Currently module for 'xxx.so' is not verified." is displayed when I use import { export } from 'xxx.so'; to import a .so file in a .ts file?
• What should I do if the error message "Ohos BundleTool [Error]: hsp has home ability;Ohos BundleTool [Error]: CompressEntrance::main exit, verify failed." is displayed during an HSP build?
• What should I do if the compilation error message "Error: open 'xxx\libimage_transcoder_shared.dll' failed" is displayed?
• What should I do if "Error message:cannot find record '&XXX/src/main/ets/YYY&x.y.z', please check the request path.'ZZZ.abc'." is reported when I deploy a package for debugging?
• What should I do if the command execution is suspended on the daemon startup log or the compilation error "ReferenceError, TransformStream is not defined in hvigorfile: XXX" is reported?
• What should I do if the "Cannot read properties of undefined (reading 'split')" message is displayed during compilation?
• What should I do if an error occurs during the compilation after react-native-openharmony is upgraded?
• What should I do if the error message "ENOENT: no such file or directory, uv_cwd" is displayed?
• What should I do if an error is reported when building an application for the ARKUI-X project in DevEco Studio 6.0.0 Beta1 and later versions?
• What should I do if an error message "EPERM: operation not permitted, symlink 'xxxxxxxx' -> 'xxxxxxx'......" is displayed on the console during the build process?
• What should I do if an error message "hvigor ERROR: Error: EINVAL: invalid argument, mkdir 'D:xxx\yyy\zzz\D:'/ 'C:xxx\yyy\zzz\C:at Object.mkdirSync (node:fs:1391:3)" is displayed?
• What should I do if resources in the ets directory cannot be loaded when creating a new project or module?
• How do I modify some source code for third-party SDK customization?
• What should I do if DevEco Studio crashes when multiple large HAP/HSP modules are compiled concurrently?
• How do I handle the compilation error "failed with:Exit code 0xc0000043"?
• What should I do if the login to DevEco Studio times out?
• What should I do if the Allow button is not displayed and browser does not redirect after entering a HUAWEI ID?
• What should I do if login failed after clicking the Allow button on the browser?
• What should I do if the website cannot be reached after I click Allow?
• What should I do if the browser window cannot be displayed during DevEco Studio login authorization?
• Can the same set of signing files be used by multiple people for debugging on different devices?
• What is the material folder generated after signing?
• What should I do if " hap-sign-tool:error:invalid CEN header (bad signature)" is reported during packing?
• What should I do if the keystore file is incompatible with the JDK version?
• What should I do if the password of the keystore file is incorrect?
• What should I do if the signing certificate file fails to be parsed?
• What should I do if the software package format is abnormal?
• What should I do if the signature verification fails?
• How do I sign the HAP or App Pack using DevEco Studio?
• What should I do if the debug signature configuration is abnormal?
• What should I do if the real-name authentication is required after login?
• What should I do if uninstalling an application on the local Emulator shows success, but it was not actually uninstalled?
• What should I do if "Failed to get the device apiVersion" is reported when a project is run on the local Emulator?
• What should I do if freezing occasionally occurs when local audio files are played on the Emulator?
• What should I do if the Emulator time is inconsistent with the system time?
• What should I do if the device cannot be identified after the Emulator is started?
• What should I do if "Hyper-V not enabled" is reported when the Emulator is started on a Windows PC?
• What should I do if the divider is not clear or displayed in the Settings of the Emulator or the List component?
• How do I access the local macOS HTTP service on the Emulator?
• What should I do if an error message is reported, indicating that libQt5Network.5.dylib cannot be opened because Apple cannot check whether the VM contains malware when the VM is started?
• What should I do if the application cannot be found after clicking Device Manager?
• What should I do if the Run button is always disabled on macOS after a file is modified on DevEco Studio?
• What should I do if the application crashes and exits when the Emulator is running?
• Why are image colors on the Emulator different from those on the real device?
• Why does macOS activity monitor show high memory usage of the Emulator?
• How do I increase the Emulator RAM?
• What are restrictions on using third-party C/C++ libraries on the Windows x86 Emulator?
• What should I do if the Emulator cannot connect to the Internet?
• How do I install a digital certificate for initiating HTTPS requests?
• How do I distinguish real devices from emulators in applications?
• What should I do if clicking the "New Emulator" button does not work?
• What should I do if the Windows x86 Emulator does not display the home screen?
• What should I do if the screen cannot be turned on in the Windows x86 Emulator?
• What should I do if "The system-image file is missing." is reported when the Emulator is started?
• How do I access files generated by an application running in the Emulator?
• What should I do if the audio would not play after the headset is removed and inserted during playback?
• What should I do if some videos cannot be played properly on the Emulator?
• What should I do if "insufficient memory" is reported when starting the Emulator on a Windows computer?
• What should I do if the network is abnormal when obtaining the template data in device manager and download the Emulator image?
• What should I do if the Emulator cannot connect to the Internet when multiple DNS servers exist?
• What should I do if breakpoints cannot be added during debugging?
• What should I do if a real device cannot be identified in DevEco Studio after it is connected?
• What should I do if running the "hdc list targets" command results in "[Empty]" after a real device is connected?
• What should I do if DevEco Studio fails to connect to the device after the ROM of the device is upgraded to 5.0.0.31 or later?
• What should I do if "Provision number exceeds limit" is displayed during automatic signing of a HarmonyOS application?
• What should I do if "Unsupported restricted ACL permission exist in the configuration" is displayed during automatic signing of a HarmonyOS application?
• What should I do if "TypeError: Cannot read property xxx of undefined" is displayed during runtime?
• What should I do if "compatibleSdkVersion and releaseType of the app do not match the apiVersion and releaseType on the device." is displayed during HAP installation?
• What should I do if "error: failed to start ability" is displayed during HAP installation?
• What should I do if "error: unlock screen failed in developer mode" is displayed during HAP installation?
• What should I do if "Waiting for application to come online notification" is displayed when debugging is started?
• What should I do if error messages related to stack trace analysis for release applications are displayed?
• What should I do if no ASan log is generated when an entry module references a local library?
• What should I do if "Hdc server port XXXX has been used" is displayed during running the HAP?
• What should I do if Hot Reload is not supported after code modification?
• What should I do if hot reload fails to be executed?
• What should I do if "Failed to connect to unix-abstract-connect" is displayed when C++ debugging is started?
• How do I use DevEco Studio to debug C/C++ code breakpoints?
• How do I export screenshots from a device to a local PC?
• What should I do if the application fails to be automatically signed, and the message "calibrate the system time and sign again" is displayed?
• How do I forcibly restart a device?
• What should I do if the network unit test case crashed?
• What should I do if lldb-server cannot be connected during native debugging?
• What should I do if "FileTransfer Failed: Error while Deploy Hap" is displayed during HAP installation on DevEco Studio?
• What should I do if "FileTransfer Failed: [Fail]Error opening file: no such file or directory" is displayed during HAP installation on DevEco Studio?
• What should I do if "FileTransfer Failed: [Fail]Error opening file: operation not permitted" is displayed during HAP installation on DevEco Studio?
• What should I do if "FileTransfer Failed: [Fail]Transfer Stop at:XXX, Reason: no space left on device" is displayed during HAP installation on DevEco Studio?
• What should I do if the error message "hap path error" is displayed during application running?
• What should I do if the parallel stack pane is blank when I am using the native debugging stack visualization feature?
• How do I configure DevEco Studio to ignore the assert signal caught by raise?
• How do I ensure user information stored in Preferences is not cleared after each run?
• How do I resolve the occasional connection timeout issue between ArkUI Inspector and an application?
• What should I do if attach and incremental debuggings fail on 2-in-1 devices?
• What should I do if the recording of a Profiler analysis task fails?
• What should I do if historical data fails to be imported?
• What should I do if DevEco Studio cannot run properly due to high memory usage?
• What should I do if application performance deteriorates after stability stress testing?
• How do I obtain native code information for Allocation recordings in Profiler?
• What should I do if the Profiler window fails to load?
• What should I do if an exception occurs when I enable lane recording for a wearable device using DevEco Profiler?
• What should I do if no data is displayed on the Load ETS Files and TOP Redundant tabs of the Details page of the Launch lane in DevEco Profiler?
• What are the possible causes of application check failure on MacOS X86_64?
• What should I do if the navigation of the diagnosis result code line of the health check tool is inaccurate?
• How do I avoid versioning prompts when using git after using AppAnalyzer?
• What should I do if "No Data" is displayed in trace-related lanes when Profiler is used to record data on macOS?
• What should I do if there is no data in the OpenGL ES sub-lane within the Graphic Memory lane when recording the Allocation template on a PC device?
• How can I view the memory information of the TaskPool thread during Snapshot template recording?
• What should I do if the memory of the Memory lane is different from that of the Native Allocation lane when recording the Allocation template?
• What should I do if the indicator detection value cannot be clicked to start the profiler?
• What should I do if test tasks fail to be executed after DevEco Studio is upgraded?
• What should I do if the task result tree is always in the loading state when a test case is run?
• What should I do if "container is not running" is displayed?
• What should I do if an error is reported and a blank screen is displayed after a UI test case times out?
• What should I do if test cases fail to be executed when the original project is opened using the new DevEco Studio version?
• What should I do if the stack path is incorrectly printed when the instrument test is executed using a command?
• What should I do if a cppcrash is reported during the test run because the ohosTest file references the method of the entry module?
• How do I resolve the "Load Page Failed: pages/Index" error that occurs when the ohosTest file references the exported method of the startup page?
• What should I do if an error is reported when the Python dependency is installed in DevEco Studio AppAnalyzer?
• How do I install Python on macOS without modifying environment variables?
• What should I do if recording fails and no recording file is generated?
• What should I do if recording succeeded but the playback effect did not meet expectations?
• What should I do if "No app with the specified package name is found under the team." is displayed during software package upload?
• What should I do if the message "tar.exe: Tool-small extra data: Need at least 4 bytes, but only found 1 bytes" is displayed when the application UI generates a plug-in and decompresses the .apk file?
• What should I do if a private key error occurs during publishing through Git Bash?
• How do I manage the uploaded packages after a private repository setup using ohpm-repo?
• What should I do if "ohpm ERROR: EINSTALL install failed, Error: Dependency node build failed Install failed" is displayed in DevEco Studio during compilation?
• What should I do if "decrypt data failed. error: Unsupported state or unable to authenticate data" is displayed when ohpm-repo uses the mysqlDB plugin to connect to MySQL?
• What should I do if "ohpm ERROR: JSON5: invalid end of input at 1:1" is displayed?
• What should I do if the system indicates that the package cannot be pushed again within 24 hours after I removed a component by mistake?
• What should I do if the modification of upload_max_times does not take effect in the ohpm private repository?
• What should I do if "The version field: 12.5.0.0-20-dev in the oh-package.json5 file does not satisfy the SemVer specification" is displayed when ohpm is used to release a HAR?
• How do I check for the HAR version conflicts in a project?
• What should I do if "the content of private key in the key_path error" is displayed when the ohpm publish command is executed in Git Bash?
• What should I do if "The publishId is invalid!" is displayed when the ohpm uploads a HAR file?
• How do I use ohpm to import third- and fourth-party libraries?
• What is an atomic service? What is its relationship with apps?
• What are the differences between atomic services and apps, widgets, and applets?
• How do I choose between app development and atomic service development?
• What are the benefits of developing apps first and then atomic services?
• Key information for connecting to Huawei Pay
• FAQs About Preliminary Review of Atomic Service Filing
• Why should I use the Button Component?
• What will happen if I do not change the API to the Button component within the deadline?
• What is the workload?
• How to contact Huawei teams if I have any questions?
• What are the advantages of login with a HUAWEI ID? Can I obtain the user's mobile number using the login API?
• What are the differences between service account synchronization of HarmonyOS and similar services in the industry?
• Do I need to register an atomic service before using the APIs of Account Kit? In which phase can I use Account Kit after registering an atomic service?
• Can I design the login page for an atomic service?
• How do I use the user account system in developing atomic services?
• Can I apply for mobile number authorization from users to complete account association once they access atomic services? How can I optimize user experience?
• If users have agreed to the unified privacy statement when accessing atomic services for the first time, do they need to agree to the user privacy statement again when associating their authorized mobile numbers with developer accounts?
• How do I manage a developer account associated with an atomic service after a user changes the phone number bound to a HUAWEI ID?
• How do I design the developer account registration process with the registration requirement?
• How do users associate developer accounts with phone numbers that are not bound to HUAWEI IDs?
• Is the mobile number authorization permanent? When should user authorization be re-applied?
• Can I obtain real-name authentication information using a HUAWEI ID?
• Can the mobile number authorization based on a HUAWEI ID be used on an HTML5 page?
• Can I obtain the mobile numbers entered by users?
• Should I provide the account deletion functionality in atomic services?
• For those who have developed apps, what is the relationship between atomic services and apps? What are the differences between them?
• How do I trigger Celia Suggestions to recommend my atomic services? What are the available distribution channels?
• Do I need to release apps in AppGallery after development?
• Is there a service store for atomic services?
• Can apps reuse the APIs of atomic services?
• Which API version will support the payment function after API 9?
• What are the fulfillment capabilities?
• Can I find desired widgets through Nearby and Search functions in HUAWEI Assistant·TODAY when I access apps first instead of atomic services?
• Is the bundle size of an atomic service 2 MB?
• Can atomic services be shared across apps?
• Do atomic services take effect immediately after being updated? Are there still old atomic services running on some devices after the update?
• Can atomic services open web pages with WebView?
• Can atomic services use other Web components?
• Do atomic services support redirection?
• What is an associated entity?
• Can atomic services or apps be embedded with other atomic services?
• Does the WebView component of atomic services need to verify the service domain name?
• What is the impact of atomic service development on the development cost and period? How do I design code reuse?
• How do I adapt historical data after HarmonyOS 4.4 or an earlier version is upgraded to the HarmonyOS NEXT version?
• Can atomic services use APIs earlier than API 11+, such as Huawei Pay API 6?
• Should I create a widget in the entry module or an independent module in an atomic service project?
• Can atomic services and apps be developed in a project at the same time?
• Can all JS libraries be used in HarmonyOS development?
• Can the shared HSP reduce the bundle size of an atomic service?
• Is there any guide for the iBeacon to start an atomic service in the service distribution solution?
• What are the differences between the tools used for developing HarmonyOS atomic services and apps? How do I solve problems encountered during the development?
• How do I use Charles to capture packets for debugging HarmonyOS atomic services?
• How do I perform open (trustlist) testing for atomic services?
• How does an atomic service obtain reverse geocoding?
• What should I do if a white screen is displayed for an HTML5 page?
• What are the possible causes and solutions for business domain name configuration failure?
• How do I configure the domain name of a third-party server referenced by an HTML5 page?
• How do I configure more than 10 business domain names?
• What can I do if CDN cannot be configured?
• How do I change the color of FunctionalButton?
• How do I Implement a unified grayscale feature for an atomic service page?
• How do I add a watermark to an image of an atomic service?
• How do atomic services and service widgets share data?
• DlpAntiPeep (Screen Privacy)
• Network Pre-connection During Cold Start
• Optimization in Live Streaming Under Poor Network Conditions
• Full-Link Stock Tracking Development Practice
• Overview
• Getting Started with an Example
• Cross-Device Experience Design
• Window Mode
• Window Orientation
• Immersive Window
• Layout
• Responsive Layout
• Page Layouts
• Component Layout
• Screen Type-based Layout
• Adaptive Layout
• Semi-Folded State of Foldable Screens
• Responsive Layout on Web
• App Multiplier
• Interactions Across Devices
• Cross-Device Resource Files
• Long Video
• Stock
• Business Office
• Music Player
• Shopping
• Travel Booking
• Map Navigation
• Lifestyle
• Bank Wealth Management
• Community Comment
• News & Reading
• Mobile Payment
• Instant Messaging
• Image Beautification
• Gaming
• Settings
• Short Video
• Cross-Device Feature Development
• Cross-Device Camera Interface Adaptation
• Cross-Device Screen Adaptation
• Cross-Device Project Deployment and Release
• Bi-fold Phone App Development
• Widescreen Foldable Phone App Development
• Tri-Fold Phone App Development
• Tablet App Development
• PC App Development
• Foldable PC App Development
• Wearable App Development
• Lite Wearable App Development
• Vision App Development
• Animation Usage Guide
• Long-Take Animation
• Application Security Coding
• Application Code Obfuscation
• Application Permission Request
• Cross-Platform Encryption and Decryption
• Usage of Device Identifiers
• Secure Development with the ArkWeb Component
• ArkTS High-Performance Programming
• Application Concurrency Design
• Comparison Between TaskPool and Worker
• TaskPool Usage Guidelines
• Aspect-Oriented Programming Design
• Application Tracking
• Aspect-Oriented Programming Based on the Aspect Plug-in Library
• Bytecode Instrumentation Based on AbcKitTS
• Home Screen Shortcuts
• Calling APIs Across HAR/HSP Modules on the Native Side
• App Icon Configuration and Development
• Inter-Application Redirection
• Social Sharing Redirection
• Ad Redirection
• Special Text Recognition Redirection
• Redirecting and Starting Between Web Pages and Applications
• Multi-Window
• Irregularly Shaped Windows on PCs or 2-in-1 Devices
• Soft Keyboard Layout Adaptation
• Custom Keyboard
• Multithreaded Operations for Intensive Relational Store and File Read/Write Tasks
• ArkWeb Rendering Framework Adaptation
• Rendering Native Components at the Same Layer
• Video Adaptation on Web Pages
• Web Page Cross-Origin Solutions
• Using the Web Component Interception Capability
• Application Quality Overview
• Optimizing Deferred Photo Delivery
• Solution to Screen Artifacts During Camera Preview
• Customizing Camera Preview
• Customizing Photo Capture
• Custom Video Recording
• Obtaining and Storing Images
• Long Screenshot
• Basic Playback Controls with AVPlayer
• Overview
• PCM Audio Playback Using AudioRenderer
• PCM Audio Playback Using OHAudio
• Formatted Audio Playback Using AVPlayer (ArkTS)
• Formatted Audio Playback Using AVPlayer (C++)
• Short Audio Playback Using SoundPool
• Overview
• Recording PCM Audio Using AudioCapturer (ArkTS)
• Recording PCM Audio Using OHAudio (C++)
• Recording Formatted Audio Using AVRecorder (ArkTS)
• Recording Formatted Audio Using AVRecorder (C++)
• Recording Audio Using AVScreenCapture
• Playing Long Videos Using the Video Component
• Playing Short Videos Using the Video Component
• Video Encoding in Surface Mode
• Audio Focus Management
• HDR Vivid Video Playback and Recording
• HDR Vivid-to-SDR Video Transcoding
• Obtaining Video Thumbnails Using System Capabilities
• Audio Quality Switching
• Image-to-Video Synthesis
• Audio Waveform Animation Based on AudioRenderer and AudioCapturer
• Audio Monitoring Based on Audio Capabilities
• Audio Input Device Management
• Audio Output Device Management
• Location Positioning
• Lock Screen Immersive Live Views