# 时延

## 应用或元服务启动加载完成快

|-|-|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|**描述**||应用启动加载完成时延应≤1100ms； 元服务启动加载完成时延应≤340ms。|
|**类型**||规则|
|**适用设备**||手机，平板，PC/2in1，智慧屏，车机，手表|
|**应用形态适用性**||鸿蒙应用，鸿蒙元服务|
|**说明**||[开发自测试：DevEco Studio AppAnalyzer 性能分析诊断](https://developer.huawei.com/consumer/cn/doc/best-practices/bpta-performance-detection#section135451444171) [本地自测试：DevEco Testing 性能测试](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/performance-testing) [云端自测试：AppGallery Connect 云测试性能检测](https://developer.huawei.com/consumer/cn/doc/app/agc-help-cloudtest-performancetest-0000002289647209)|

## 应用或元服务冷启动过程动画/视频时延

|-|-|----------------------------------|
|**描述**||如果应用或元服务冷启动过程动画/视频时延大于3s，建议增加进度提示。|
|**类型**||建议|
|**适用设备**||手机，平板，PC/2in1，智慧屏，车机，手表|
|**应用形态适用性**||鸿蒙应用，鸿蒙元服务|
|**说明**||无|

## 应用或元服务应用内点击操作响应快

|-|-|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|**描述**||应用或元服务内点击操作响应时延应≤100ms。|
|**类型**||规则|
|**适用设备**||手机，平板，PC/2in1，智慧屏，车机，手表|
|**应用形态适用性**||鸿蒙应用，鸿蒙元服务|
|**说明**||[开发自测试：DevEco Studio AppAnalyzer 性能分析诊断](https://developer.huawei.com/consumer/cn/doc/best-practices/bpta-performance-detection#section135451444171) [本地自测试：DevEco Testing 性能测试](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/performance-testing) [云端自测试：AppGallery Connect 云测试性能检测](https://developer.huawei.com/consumer/cn/doc/app/agc-help-cloudtest-performancetest-0000002289647209)|

## 应用或元服务应用内点击操作完成快

|-|-|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|**描述**||应用内点击操作完成时延应≤900ms； 元服务内点击操作完成时延应≤1400ms； 小程序内点击操作完成时延应≤1400ms。|
|**类型**||规则|
|**适用设备**||手机，平板，PC/2in1，智慧屏，车机，手表|
|**应用形态适用性**||鸿蒙应用，鸿蒙元服务|
|**说明**||[开发自测试：DevEco Studio AppAnalyzer 性能分析诊断](https://developer.huawei.com/consumer/cn/doc/best-practices/bpta-performance-detection#section135451444171) [本地自测试：DevEco Testing 性能测试](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/performance-testing) [云端自测试：AppGallery Connect 云测试性能检测](https://developer.huawei.com/consumer/cn/doc/app/agc-help-cloudtest-performancetest-0000002289647209)|

## 应用或元服务内滑动操作响应快

|-|-|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|**描述**||抛滑（速度大于300mm/s ）场景：触屏响应时延应≤80ms； 拖滑（速度小于100mm/s）场景： 触屏响应时延应≤60ms。|
|**类型**||规则|
|**适用设备**||手机，平板，PC/2in1，智慧屏，车机，手表|
|**应用形态适用性**||鸿蒙应用，鸿蒙元服务|
|**说明**||[开发自测试：DevEco Studio AppAnalyzer 性能分析诊断](https://developer.huawei.com/consumer/cn/doc/best-practices/bpta-performance-detection#section135451444171) [本地自测试：DevEco Testing 性能测试](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/performance-testing) [云端自测试：AppGallery Connect 云测试性能检测](https://developer.huawei.com/consumer/cn/doc/app/agc-help-cloudtest-performancetest-0000002289647209)|

## 在线长视频类应用播放起播快

|-----------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|**描述**|应用在线视频播放起播时延应≤800ms。|
|**类型**|规则|
|**适用设备**|手机，平板，PC/2in1，智慧屏，车机|
|**应用形态适用性**|鸿蒙应用|
|**说明**|[开发自测试：DevEco Studio AppAnalyzer 性能分析诊断](https://developer.huawei.com/consumer/cn/doc/best-practices/bpta-performance-detection#section135451444171) [本地自测试：DevEco Testing 性能测试](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/performance-testing) [云端自测试：AppGallery Connect 云测试性能检测](https://developer.huawei.com/consumer/cn/doc/app/agc-help-cloudtest-performancetest-0000002289647209)|

## 在线长视频类应用Seek操作播放快

|-----------|----------------------------------------------------------------------------------------------------------------------------------------|
|**描述**|拖动进度条40%~60%位置后，应用在线视频播放起播时延应≤800ms。|
|**类型**|规则|
|**适用设备**|手机，平板，PC/2in1，智慧屏，车机|
|**应用形态适用性**|鸿蒙应用|
|**说明**|[云端自测试：AppGallery Connect 云测试性能检测](https://developer.huawei.com/consumer/cn/doc/app/agc-help-cloudtest-performancetest-0000002289647209)|

## 在线短视频类应用快速切换播放起播快

|-----------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|**描述**|应用内滑动视频，新视频起播时延应≤230ms。|
|**类型**|规则|
|**适用设备**|手机，平板，PC/2in1，智慧屏，车机|
|**应用形态适用性**|鸿蒙应用|
|**说明**|[开发自测试：DevEco Studio AppAnalyzer 性能分析诊断](https://developer.huawei.com/consumer/cn/doc/best-practices/bpta-performance-detection#section135451444171) [本地自测试：DevEco Testing 性能测试](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/performance-testing) [云端自测试：AppGallery Connect 云测试性能检测](https://developer.huawei.com/consumer/cn/doc/app/agc-help-cloudtest-performancetest-0000002289647209)|

## 在线短视频类应用Seek操作播放快

|-----------|----------------------------------------------------------------------------------------------------------------------------------------|
|**描述**|拖动进度条40%~60%位置后，应用在线短视频起播时延应≤100ms。|
|**类型**|规则|
|**适用设备**|手机，平板，PC/2in1，智慧屏，车机|
|**应用形态适用性**|鸿蒙应用|
|**说明**|[云端自测试：AppGallery Connect 云测试性能检测](https://developer.huawei.com/consumer/cn/doc/app/agc-help-cloudtest-performancetest-0000002289647209)|