After creating a thread using pthread_create, you can use napi_create_ark_runtime to create an ArkTS runtime environment and load the ArkTS module in the runtime environment. To destroy an ArkTS runtime environment that is not required, use napi_destroy_ark_runtime.
API declaration
// index.d.ts export const createArkRuntime: () => object;
Compilation configuration
# the minimum version of CMake.
cmake_minimum_required(VERSION 3.5.0)
project(MyApplication3)
set(NATIVERENDER_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR})
if(DEFINED PACKAGE_FIND_FILE)
include(${PACKAGE_FIND_FILE})
endif()
add_definitions( "-DLOG_TAG=\"LOG_TAG\"" )
include_directories(${NATIVERENDER_ROOT_PATH}
${NATIVERENDER_ROOT_PATH}/include)
add_library(entry SHARED napi_init.cpp)
target_link_libraries(entry PUBLIC libace_napi.z.so libhilog_ndk.z.so) Configure the build-profile.json5 file of the current module as follows:
"buildOption": {
"arkOptions" : {
"runtimeOnly" : {
"sources": [
"./src/main/ets/pages/ObjectUtils.ets"
]
}
},
// ...
}, Module registration
// create_ark_runtime.cpp
EXTERN_C_START
static napi_value Init(napi_env env, napi_value exports)
{
napi_property_descriptor desc[] = {
{ "createArkRuntime", nullptr, CreateArkRuntime, nullptr, nullptr, nullptr, napi_default, nullptr }
};
napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
return exports;
}
EXTERN_C_END
static napi_module nativeModule = {
.nm_version = 1,
.nm_flags = 0,
.nm_filename = nullptr,
.nm_register_func = Init,
.nm_modname = "entry",
.nm_priv = nullptr,
.reserved = { 0 },
};
extern "C" __attribute__((constructor)) void RegisterQueueWorkModule()
{
napi_module_register(&nativeModule);
} Feature implementation
Create a thread and an ArkTS runtime environment, and load the module. For details about how to load a custom module, see Loading a Module Using Node-API.
#include "napi/native_api.h"
#include <pthread.h>
// ...
static void *CreateArkRuntimeFunc(void *arg)
{
// 1. Create the ArkTS runtime environment.
napi_env env = nullptr;
napi_status ret = napi_create_ark_runtime(&env);
if (ret != napi_ok) {
return nullptr;
}
napi_handle_scope scope = nullptr;
if (napi_open_handle_scope(env, &scope) != napi_ok) {
napi_destroy_ark_runtime(&env);
return nullptr;
}
// 2. Load custom modules.
napi_value objUtils = nullptr;
ret = napi_load_module_with_info(env, "entry/src/main/ets/pages/ObjectUtils", "com.example.myapplication/entry",
&objUtils);
if (ret != napi_ok) {
OH_LOG_ERROR(LOG_APP, "Failed to load module");
napi_close_handle_scope(env, scope);
napi_destroy_ark_runtime(&env);
return nullptr;
}
// 3. Use the logger in ArkTS.
napi_value logger = nullptr;
ret = napi_get_named_property(env, objUtils, "Logger", &logger);
if (ret != napi_ok) {
napi_close_handle_scope(env, scope);
napi_destroy_ark_runtime(&env);
return nullptr;
}
ret = napi_call_function(env, objUtils, logger, 0, nullptr, nullptr);
if (ret != napi_ok) {
napi_close_handle_scope(env, scope);
napi_destroy_ark_runtime(&env);
return nullptr;
}
napi_close_handle_scope(env, scope);
// 4. Destroy the ArkTS runtime environment.
ret = napi_destroy_ark_runtime(&env);
if (ret != napi_ok) {
OH_LOG_ERROR(LOG_APP, "Failed to destroy ark runtime");
}
return nullptr;
}
static napi_value CreateArkRuntime(napi_env env, napi_callback_info info)
{
pthread_t tid;
pthread_create(&tid, nullptr, CreateArkRuntimeFunc, nullptr);
pthread_join(tid, nullptr);
return nullptr;
} Import the header file of ArkTS.
import testNapi from 'libentry.so';
ArkTS sample code
export function Logger() {
console.info('print log');
} // index.ets testNapi.createArkRuntime();