Vega无头任务和服务

import { Platform, Dimensions } from 'react-native';

import { HeadlessTaskManager } from '@amazon-devices/headless-task-manager';
import { ContentPersonalization } from '@amazon-devices/kepler-content-personalization';

console.log('无头服务启动');
fetch('https://api.example.com/data');

import { View, Text, Image } from 'react-native';

import { AppState, DeviceInfo } from 'react-native';

import * as RN from 'react-native';

import { VideoPlayer } from '@amazon-devices/react-native-w3cmedia/dist/headless'; // 正确
import { VideoPlayer } from '@amazon-devices/react-native-w3cmedia'; // 不正确

// manifest.toml

* 版权所有 (c) 2024 Amazon.com, Inc.或其关联公司。 保留所有权利。
#
* 专有/机密信息。 相关使用受许可条款的约束。
#
schema-version = 1

[package]
title = "无头JS任务和服务演示"
version = "1.0.0"
id = "com.yourcompany.headlessjsdemo"

[components]

[[components.interactive]]
id = "com.yourcompany.headlessjsdemo.main"
runtime-module = "/com.amazon.kepler.keplerscript.runtime.loader_2@IKeplerScript_2_0"
categories = ["com.amazon.category.main"]

# 应用表示它有一个无头JS任务
[[components.task]]
id = "com.yourcompany.headlessjsdemo.task"
runtime-module = "/com.amazon.kepler.keplerscript.runtime.loader_2@IKeplerScript_2_0"

# 应用表示其有无头JS服务
[[components.service]]
id = "com.yourcompany.headlessjsdemo.service"
runtime-module = "/com.amazon.kepler.keplerscript.runtime.loader_2@IKeplerScript_2_0"
launch-type = "singleton"

// task.js - 注册无头JS任务的入口点

import { HeadlessEntryPointRegistry } from "@amazon-devices/headless-task-manager";

// SampleHeadlessTask.ts实现“doTask”
import { doTaskSampleTask } from "./src/SampleHeadlessTask";

HeadlessEntryPointRegistry.registerHeadlessEntryPoint2("com.yourcompany.headlessjsdemo.task::doTask",
    () => doTaskSampleTask);

// service.js - 注册无头JS服务的入口点

import {HeadlessEntryPointRegistry} from '@amazon-devices/headless-task-manager';

// SampleHeadlessService.ts实现“onStartSampleService”以及“onStopSampleServie”
import {onStartSampleService, onStopSampleService} from './src/SampleHeadlessService';

HeadlessEntryPointRegistry.registerHeadlessEntryPoint(
  'com.yourcompany.headlessjsdemo.service::onStartService',
  () => onStartSampleService,
);
HeadlessEntryPointRegistry.registerHeadlessEntryPoint(
  'com.yourcompany.headlessjsdemo.service::onStopService',
  () => onStopSampleService,
);

// package.json

  "scripts": {
     .
    .
    "build:release": "react-native build-vega --build-type Release",
    "build:debug": "react-native build-vega --build-type Debug",
    "build:app": "npm-run-all build:release build:debug",
    .
  },

loggingctl log -f | grep -i "<程序包名称>\|KeplerScript-Native\|KeplerScript-JavaScript"

loggingctl config --set-rate all 60000

<重启设备>

loggingctl config --set-rate all 60000 // 再次运行此命令一次

E Volta:[KeplerScript-JavaScript] Invariant Violation: TurboModuleRegistry.getEnforcing(...): 'DeviceInfo' could not be found. Verify that a module by this name is registered in the native binary., js engine: hermes.

npx react-native-bundle-visualizer --entry-file task.js

// task.js

// 正确导入
import { ComponentType  } from '@amazon-devices/react-native-kepler/Libraries/ComponentInstance/ComponentInstanceManager';

const componentInstance = {
    name: "TestComponent",
    type: ComponentType.TASK,
    id: "test-123"
};

// 使用枚举值到字符串的转换进行记录
console.log(`无头任务测试： 组件类型：${ComponentType[componentInstance.type]}`);

// task.js

// 错误导入
import { ComponentType  } from '@amazon-devices/react-native-kepler';

const componentInstance = {
    name: "TestComponent",
    type: ComponentType.TASK,
    id: "test-123"
};

// 使用枚举值到字符串的转换进行记录
console.log(`无头任务测试： 组件类型：${ComponentType[componentInstance.type]}`);

E Volta:[KeplerScript-JavaScript] Invariant Violation: TurboModuleRegistry.getEnforcing(...): 'DeviceInfo' could not be found. Verify that a module by this name is registered in the native binary., js engine: hermes.

  var NativeModule = TurboModuleRegistry.getEnforcing('DeviceInfo');
  var constants = null;
  var NativeDeviceInfo = {
    getConstants: function getConstants() {
      if (constants == null) {
        constants = NativeModule.getConstants();
      }
      return constants;
    },
    // amznmod_react使用NativeDeviceInfo而非RCTDeviceEventEmitter来添加侦听器事件
    addListener: function addListener(eventName, handler) {
      NativeModule.addListener(eventName, handler);
    },
    getDimensionsV2: function getDimensionsV2(rootTag) {
      return NativeModule.getDimensionsV2(rootTag);
    },
    // amznmod_react使用NativeDeviceInfo而非RCTDeviceEventEmitter来添加侦听器事件
    addListenerV2: function addListenerV2(rootTag, eventName, callback) {
      return NativeModule.addListenerV2(rootTag, eventName, callback);
    }
  };
  var _default = exports.default = NativeDeviceInfo;
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},246,[3,12,13,4,5,247,20],"node_modules/@amazon-devices/react-native-kepler/Libraries/Utilities/Dimensions.js");

},564,[3,22,49,247,441],"node_modules/@amazon-devices/react-native-kepler/Libraries/Utilities/useVegaWindowDimensionsV2.js");

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},0,[1],"task.js");