feat: 新增语音唤醒

唤醒的逻辑跟长按的逻辑不一样，不能像之前那样长按图标来录音，结束长按来结束录音

android/src/main/AndroidManifest.xml

@@ -1,2 +1,4 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.INTERNET" />
 </manifest>

example/lib/main.dart

@@ -3,6 +3,8 @@ import 'package:permission_handler/permission_handler.dart';
 import 'package:provider/provider.dart';
 import 'package:ai_chat_assistant/ai_chat_assistant.dart';
 
+import 'pages/home.dart';
+
 class VehicleCommandClent extends VehicleCommandHandler {
   @override
   AIChatCommandCubit? get commandCubit => super.commandCubit;
@@ -13,7 +15,6 @@ class VehicleCommandClent extends VehicleCommandHandler {
     print('执行车控命令: ${command.type}, 参数: ${command.params}');
 
     if (commandCubit != null) {
-
       commandCubit?.emit(AIChatCommandState(
         commandId: command.commandId,
         commandType: command.type,
@@ -64,6 +65,8 @@ void main() async {
   AIChatAssistantManager.instance.setupCommandHandle(commandHandler: VehicleCommandClent());
 
   runApp(const MyApp());
+
+  AIChatAssistantManager.instance.setWakeWordDetection(true);
 }
 
 class MyApp extends StatelessWidget {
@@ -77,18 +80,7 @@ class MyApp extends StatelessWidget {
         primarySwatch: Colors.blue,
         useMaterial3: true,
       ),
-      home: const ExampleHomePage(),
+      home: HomePage(),
-    );
-  }
-}
-
-class ExampleHomePage extends StatelessWidget {
-  const ExampleHomePage({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    return const Scaffold(
-      body: ChatAssistantApp(),
     );
   }
 }

example/lib/pages/home.dart

@@ -0,0 +1,62 @@
+import 'package:flutter/material.dart';
+import 'package:ai_chat_assistant/ai_chat_assistant.dart';
+
+import 'setting.dart';
+
+class ChatAssistantPage extends StatelessWidget {
+  const ChatAssistantPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: ChatAssistantApp(),
+    );
+  }
+}
+
+class HomePage extends StatefulWidget {
+  HomePage({super.key});
+
+  final items = [
+    BottomNavigationBarItem(
+      icon: Icon(Icons.home),
+      label: 'Home',
+    ),
+    BottomNavigationBarItem(
+      icon: Icon(Icons.settings),
+      label: 'Settings',
+    ),
+  ];
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  int _selectedIndex = 0;
+
+  final List<Widget> _pages = <Widget>[
+    ChatAssistantPage(),
+    SettingPage(),
+  ];
+
+  void _onItemTapped(int index) {
+    setState(() {
+      _selectedIndex = index;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: _pages.elementAt(_selectedIndex),
+      bottomNavigationBar: BottomNavigationBar(
+        items: widget.items,
+        selectedItemColor: Colors.blue,
+        unselectedItemColor: Colors.grey,
+        currentIndex: _selectedIndex,
+        onTap: _onItemTapped,
+      ),
+    );
+  }
+}

example/lib/pages/setting.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+class SettingPage extends StatefulWidget {
+  const SettingPage({super.key});
+
+  @override
+  State<SettingPage> createState() => _SettingPageState();
+}
+
+class _SettingPageState extends State<SettingPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('设置'),
+      ),
+      body: const Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Text('设置页面'),
+            SizedBox(height: 20),
+            Text('这里可以添加更多设置选项'),
+          ],
+        ),
+      ),
+    );
+  }
+}

example/pubspec.lock

@@ -201,6 +201,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.2.3"
+  flutter_voice_processor:
+    dependency: transitive
+    description:
+      name: flutter_voice_processor
+      sha256: "8ae3fc196d6060a13392e4ca557f7a2f4a6b87898ae519787f6929f986538572"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.2"
   flutter_web_plugins:
     dependency: transitive
     description: flutter
@@ -430,6 +438,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.8"
+  porcupine_flutter:
+    dependency: transitive
+    description:
+      name: porcupine_flutter
+      sha256: "5618b20a00c44aab80763a70cab993037dd73d924dd2a24154c36dc13bdf5c8e"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.0.5"
   provider:
     dependency: transitive
     description:

lib/manager.dart

@@ -1,5 +1,11 @@
 import 'dart:async';
+import 'dart:io';
+
+import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:porcupine_flutter/porcupine_error.dart';
+import 'package:porcupine_flutter/porcupine_manager.dart';
 
 import 'bloc/ai_chat_cubit.dart';
 import 'bloc/command_state.dart';
@@ -44,9 +50,103 @@ class AIChatAssistantManager {
     return _commandCubit!.stream;
   }
 
+  // --- Porcupine 唤醒词属性 ---
+
+  PorcupineManager? _porcupineManager;
+  final StreamController<void> _wakeWordController = StreamController<void>.broadcast();
+  bool _isWakeWordEnabled = false;
+  bool _wakeWordDetected = false;
+
+  // PicoVoice AccessKey
+  final String _picoAccessKey = "CRkyWZ3DRFXVogXEhE2eK2/ZN1q9YEYweTnjVWlve86nKAid5i1zsQ==";
+
+  // 资产逻辑路径 (用于 rootBundle.load)
+  static const String _keywordAssetPath = "packages/ai_chat_assistant/assets/zhongzhong_zh_android.ppn";
+  static const String _modelAssetPath = "packages/ai_chat_assistant/assets/porcupine_params_zh.pv";
+
+  // 真实文件系统路径 (Porcupine 使用)
+  String? _keywordFilePath;
+  String? _modelFilePath;
+
+  /// 监听唤醒词事件的 Stream
+  Stream<void> get onWakeWordDetected => _wakeWordController.stream;
+
+  /// 当前是否检测到了唤醒词
+  bool get isWakeWordDetected => _wakeWordDetected;
+
+  /// 将 Flutter asset 写入设备文件系统，返回其真实路径
+  Future<String> _extractAsset(String assetPath, String fileName) async {
+    final dir = await getApplicationSupportDirectory();
+    final file = File('${dir.path}/$fileName');
+    if (!file.existsSync()) {
+      final data = await rootBundle.load(assetPath);
+      await file.writeAsBytes(data.buffer.asUint8List(), flush: true);
+      debugPrint('Asset "$assetPath" extracted to "${file.path}"');
+    }
+    return file.path;
+  }
+
+  /// 开启或关闭唤醒词检测
+  Future<void> setWakeWordDetection(bool enable) async {
+    if (enable == _isWakeWordEnabled && _porcupineManager != null) {
+      return; // 状态未改变
+    }
+    _isWakeWordEnabled = enable;
+
+    if (enable) {
+      try {
+        // 确保关键词和模型文件已提取到文件系统
+        _keywordFilePath ??= await _extractAsset(_keywordAssetPath, "zhongzhong_zh_android.ppn");
+        _modelFilePath ??= await _extractAsset(_modelAssetPath, "porcupine_params_zh.pv");
+
+        _porcupineManager = await PorcupineManager.fromKeywordPaths(
+          _picoAccessKey,
+          [_keywordFilePath!],
+          _wakeWordDetectedCallback,
+          modelPath: _modelFilePath, // 中文模型必须指定 modelPath
+          errorCallback: _porcupineErrorCallback,
+          sensitivities: [0.6], // 可以调整灵敏度
+        );
+        await _porcupineManager?.start();
+        debugPrint("Porcupine manager started for wake-word detection.");
+      } on PorcupineException catch (e) {
+        debugPrint("Failed to init Porcupine: ${e.message}");
+        _isWakeWordEnabled = false;
+      }
+    } else {
+      await _porcupineManager?.stop();
+      await _porcupineManager?.delete();
+      _porcupineManager = null;
+      _wakeWordDetected = false; // 关闭时重置状态
+      debugPrint("Porcupine manager stopped and deleted.");
+    }
+  }
+
+  // 唤醒词检测回调
+  void _wakeWordDetectedCallback(int keywordIndex) {
+    // 我们只用了一个关键词，所以索引总是 0
+    if (keywordIndex == 0) {
+      _wakeWordDetected = true;
+      debugPrint("Wake-word '众众' detected!");
+      // 通知所有监听者
+      _wakeWordController.add(null);
+
+      // 可选：一段时间后自动重置状态
+      Future.delayed(const Duration(seconds: 2), () {
+        _wakeWordDetected = false;
+      });
+    }
+  }
+
+  void _porcupineErrorCallback(PorcupineException error) {
+    debugPrint("Porcupine error: ${error.message}");
+  }
+
   /// 释放资源
   void dispose() {
     _commandCubit?.close();
     _commandCubit = null;
+    _wakeWordController.close();
+    setWakeWordDetection(false); // 确保 Porcupine 停止并释放
   }
 }

lib/widgets/chat_popup.dart

@@ -1,4 +1,6 @@
+import 'dart:async';
 import 'dart:ui';
+import 'package:ai_chat_assistant/manager.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import '../pages/full_screen.dart';
@@ -30,6 +32,7 @@ class _ChatPopupState extends State<ChatPopup> with SingleTickerProviderStateMix
   final double _iconSizeDefault = 80.0;
   bool _isShowingPopup = false;
   late AnimationController _partScreenAnimationController;
+  StreamSubscription? _wakeWordSubscription;
 
   @override
   void initState() {
@@ -38,11 +41,21 @@ class _ChatPopupState extends State<ChatPopup> with SingleTickerProviderStateMix
       duration: const Duration(milliseconds: 250),
       vsync: this,
     );
+
+    // 订阅唤醒词事件
+    _wakeWordSubscription = AIChatAssistantManager.instance.onWakeWordDetected.listen((_) async {
+      // 在这里处理唤醒事件，例如显示聊天窗口
+      debugPrint("唤醒词被检测到，执行UI操作！");
+      final messageService = MessageService.instance;
+      _insertOverlay();
+      await messageService.startVoiceInput();
+    });
   }
 
   @override
   void dispose() {
     _partScreenAnimationController.dispose();
+    _wakeWordSubscription?.cancel();
     super.dispose();
   }
 

pubspec.lock

@@ -157,6 +157,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.2.3"
+  flutter_voice_processor:
+    dependency: transitive
+    description:
+      name: flutter_voice_processor
+      sha256: "8ae3fc196d6060a13392e4ca557f7a2f4a6b87898ae519787f6929f986538572"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.2"
   flutter_web_plugins:
     dependency: transitive
     description: flutter
@@ -354,6 +362,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.8"
+  porcupine_flutter:
+    dependency: "direct main"
+    description:
+      name: porcupine_flutter
+      sha256: "5618b20a00c44aab80763a70cab993037dd73d924dd2a24154c36dc13bdf5c8e"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.0.5"
   provider:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -19,6 +19,8 @@ dependencies:
   permission_handler: ^12.0.0
   provider: ^6.1.5
   flutter_tts: ^4.2.0
+  # 语音唤醒
+  porcupine_flutter: ^3.0.5
 #  basic_intl: 0.2.0
   t_basic_intl:
     path: packages/basic_intl
@@ -33,6 +35,8 @@ flutter:
   uses-material-design: true
   assets:
     - assets/images/
+    - assets/zhongzhong_zh_android.ppn
+    - assets/porcupine_params_zh.pv
   plugin:
     platforms:
       android: