# 检查 jdk 版本
java -version

# 预期输出
java version "17.0.12" 2024-07-16 LTS
Java(TM) SE Runtime Environment (build 17.0.12+8-LTS-286)
Java HotSpot(TM) 64-Bit Server VM (build 17.0.12+8-LTS-286, mixed mode, sharing)

# 检查 Flutter 版本
flutter --version

# 预期输出
Flutter 3.35.8-ohos-0.0.3 • channel [user-branch] •
git@gitcode.com:openharmony-tpc/flutter_flutter.git
Framework • revision 2959be8739 (3 days ago) • 2026-03-19 19:49:09 +0800
Engine • hash 6b24e1b529bc46df7ff397667502719a2a8b6b72
Tools • Dart 3.9.2 • DevTools 2.48.0

# 环境检查
flutter doctor

# 预期输出
Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source!
Doctor summary (to see all details, run flutter doctor -v):
[!] Flutter (Channel [user-branch], 3.35.8-ohos-0.0.3, on Microsoft Windows [Version 10.0.26200.8037], locale zh-CN)
    ! Flutter version 3.35.8-ohos-0.0.3 on channel [user-branch] at D:\myApp\flutter\flutter_flutter
      Currently on an unknown channel. Run `flutter channel` to switch to an official channel.
      If that doesn't fix the issue, reinstall Flutter by following instructions at https://flutter.dev/setup.
    ! Upstream repository git@gitcode.com:openharmony-tpc/flutter_flutter.git is not a standard remote.
      Set environment variable "FLUTTER_GIT_URL" to git@gitcode.com:openharmony-tpc/flutter_flutter.git to dismiss this
      error.
[√] HarmonyOS toolchain - develop for HarmonyOS devices
[√] Windows Version (11 Home China 64-bit, 25H2, 2009)
[X] Android toolchain - develop for Android devices
    X Unable to locate Android SDK.
      Install Android Studio from: https://developer.android.com/studio/index.html
      On first launch it will assist you in installing the Android SDK components.
      (or visit https://flutter.dev/to/windows-android-setup for detailed instructions).
      If the Android SDK has been installed to a custom location, please use
      `flutter config --android-sdk` to update to that location.

[√] Chrome - develop for the web
[√] Visual Studio - develop Windows apps (Visual Studio Community 2022 17.13.2)
[!] Android Studio (not installed)
[√] IntelliJ IDEA Ultimate Edition (version 2025.1)
[√] Connected device (3 available)
[!] Network resources
    X An HTTP error occurred while checking "https://github.com/": 信号灯超时时间已到


! Doctor found issues in 4 categories.

flutter create . --template=plugin --platforms=ohos

flutter_exit_app/
└── ohos/
    ├── src/main/
    │   ├── ets/
    │   │   └── components/plugin/
    │   │       └── FlutterExitAppPlugin.ets      # 仅有基础框架
    │   └── module.json5
    ├── index.ets
    ├── oh-package.json5
    └── build-profile.json5

/**
 * Plugin channel name constants
 */
export default class ChannelName {
  // Exit app channel name
  static readonly EXIT_APP: string = 'com.laoitdev.exit.app';
}

import {
  FlutterPlugin,
  FlutterPluginBinding,
  MethodCall,
  MethodCallHandler,
  MethodChannel,
  MethodResult,
} from '@ohos/flutter_ohos';
import { AbilityAware, AbilityPluginBinding } from '@ohos/flutter_ohos';
import { common, UIAbility } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';
import ChannelName from './ChannelName';

/** FlutterExitAppPlugin **/
export default class FlutterExitAppPlugin implements FlutterPlugin, MethodCallHandler, AbilityAware {
  private channel: MethodChannel | null = null;
  private static _context: common.Context | null = null;
  private static _uiContext: common.UIAbilityContext | null = null;

  constructor() {
  }

  static get uiContext(): common.UIAbilityContext | null {
    return FlutterExitAppPlugin._uiContext;
  }

  static get context(): common.Context | null {
    return FlutterExitAppPlugin._context;
  }

  get uiContext(): common.UIAbilityContext | null {
    return FlutterExitAppPlugin._uiContext;
  }

  getUniqueClassName(): string {
    return "FlutterExitAppPlugin"
  }

  // ⭐ 关键：通过AbilityAware获取UIAbilityContext
  onAttachedToAbility(binding: AbilityPluginBinding): void {
    FlutterExitAppPlugin._uiContext = binding.getAbility().context;
    FlutterExitAppPlugin._context = binding.getAbility().context as common.Context;
  }

  onDetachedFromAbility(): void {
    // Clean up ability context
  }

  onAttachedToEngine(binding: FlutterPluginBinding): void {
    this.channel = new MethodChannel(binding.getBinaryMessenger(), "flutter_exit_app");
    this.channel.setMethodCallHandler(this)
  }

  onDetachedFromEngine(binding: FlutterPluginBinding): void {
    if (this.channel != null) {
      this.channel.setMethodCallHandler(null)
    }
  }

  onMethodCall(call: MethodCall, result: MethodResult): void {
    if (call.method == "getPlatformVersion") {
      result.success("OpenHarmony")
    } else if (call.method == ChannelName.EXIT_APP) {
      if (FlutterExitAppPlugin._uiContext) {
        try {
          // ⭐ 异步调用terminateSelf，返回Promise
          FlutterExitAppPlugin._uiContext.terminateSelf()
            .then(() => {
              console.info('terminateSelf succeed');
              result.success("Done");
            })
            .catch((err: BusinessError) => {
              console.error(`terminateSelf failed, code is ${err.code}, message is ${err.message}`);
              result.error("TERMINATE_FAILED", `terminateSelf failed: ${err.message}`, null);
            });
        } catch (err) {
          let code = (err as BusinessError).code;
          let message = (err as BusinessError).message;
          console.error(`terminateSelf failed, code is ${code}, message is ${message}`);
          result.error("TERMINATE_ERROR", `terminateSelf error: ${message}`, null);
        }
      } else {
        console.error("UIContext is null, cannot terminate self.");
        result.error("CONTEXT_NULL", "UIContext is null", null);
      }
    } else {
      result.notImplemented()
    }
  }
}