Vegaヘッドレスタスクとヘッドレスサービス

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

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

console.log('ヘッドレスサービスを開始しました');
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'; // 正しい
import { VideoPlayer } from '@amazon-devices/react-native-w3cmedia'; // 間違い

// task.js - ヘッドレスJSタスクのエントリポイントを登録します。

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

// SampleHeadlessTask.tsにdoTaskが実装されています。
import { doTaskSampleTask } from "./src/SampleHeadlessTask";

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

// service.js - ヘッドレスJSサービスのエントリポイントを登録します。

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

// SampleHeadlessService.tsにonStartSampleServiceとonStopSampleServieが実装されています。
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 "<your package name>\|KeplerScript-Native\|KeplerScript-JavaScript"

loggingctl config --set-rate all 60000

<デバイスを再起動>

loggingctl config --set-rate all 60000 // 再実行

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

// 正しいインポート
import { ComponentType  } from '@amazon-devices/react-native-kepler/Libraries/ComponentInstance/ComponentInstanceManager';

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

// 列挙値を文字列に変換してログに記録します。
console.log(`ヘッドレスタスクのテスト： コンポーネントタイプ：${ComponentType[componentInstance.type]}`);

// task.js

// 間違ったインポート
import { ComponentType  } from '@amazon-devices/react-native-kepler';

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

// 列挙値を文字列に変換してログに記録します。
console.log(`ヘッドレスタスクのテスト： コンポーネントタイプ：${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：RCTDeviceEventEmitterの代わりにNativeDeviceInfoを使用してリスナーイベントを追加します。
    addListener: function addListener(eventName, handler) {
      NativeModule.addListener(eventName, handler);
    },
    getDimensionsV2: function getDimensionsV2(rootTag) {
      return NativeModule.getDimensionsV2(rootTag);
    },
    // amznmod_react：RCTDeviceEventEmitterの代わりにNativeDeviceInfoを使用してリスナーイベントを追加します。
    addListenerV2: function addListenerV2(rootTag, eventName, callback) {
      return NativeModule.addListenerV2(rootTag, eventName, callback);
    }
  };
  var _default = exports.default = NativeDeviceInfo;
},247,[19,3,5],"node_modules/@amazon-devices/react-native-kepler/Libraries/Utilities/NativeDeviceInfo.js");

},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");

},1,[2,471,481,484,485,378,20,487,395,490,491,493,494,498,500,28,478,472,404,271,324,408,457,503,288,505,507,418,482,483,421,511,512,513,232,514,515,516,521,171,523,526,375,528,222,199,531,534,444,535,537,455,188,246,337,45,267,334,538,540,364,365,436,82,174,152,151,542,544,245,546,548,550,551,553,259,31,555,556,19,35,446,558,559,563,564,565,568,569,98,570,572,573,4,575,182,21,17,207,204,274,441,296],"node_modules/@amazon-devices/react-native-kepler/index.js");

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