guangfei.zhao
c29a3f665a
asrInstance.initialize 这个方法的作用是初始化阿里云 NUI SDK 的 ASR 实例。根据阿里云 SDK 的设计，这个初始化过程不仅仅是加载配置，它还会立即建立与云端的长连接（WebSocket），并进入一个“待命”状态。SDK 会请求打开音频设备。 延迟初始化，只在第一次需要时才进行初始化
89 lines
2.5 KiB
Dart
89 lines
2.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:provider/provider.dart';
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import 'package:ai_chat_assistant/ai_chat_assistant.dart';
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import 'pages/home.dart';
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class VehicleCommandClent extends VehicleCommandHandler {
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@override
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AIChatCommandCubit? get commandCubit => super.commandCubit;
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@override
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Future<(bool, Map<String, dynamic>?)> executeCommand(VehicleCommand command) async {
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// 在这里实现具体的车控命令执行逻辑
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print('执行车控命令: ${command.type}, 参数: ${command.params}');
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if (commandCubit != null) {
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commandCubit?.emit(AIChatCommandState(
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commandId: command.commandId,
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commandType: command.type,
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params: command.params,
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status: AIChatCommandStatus.executing,
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timestamp: DateTime.now(),
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errorMessage: null,
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result: null,
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));
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}
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// 模拟命令执行完成
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await Future.delayed(const Duration(seconds: 2));
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if (commandCubit != null) {
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commandCubit?.emit(AIChatCommandState(
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commandId: command.commandId,
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commandType: command.type,
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params: command.params,
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status: AIChatCommandStatus.success,
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timestamp: DateTime.now(),
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errorMessage: null,
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result: {'message': '命令执行成功'},
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));
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}
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return Future.value((true, {'message': '命令已执行'}));
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}
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}
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void main() async {
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WidgetsFlutterBinding.ensureInitialized();
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// 请求麦克风权限
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if (!await Permission.microphone.isGranted) {
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await Permission.microphone.request();
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}
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// 初始化 AI Chat Assistant，注册车控命令回调
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// ChatAssistantApp.initialize(
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// commandCallback: (VehicleCommandType type, Map<String, dynamic>? params) async {
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// // 这里是示例的车控命令处理逻辑
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// print('收到车控命令: $type, 参数: $params');
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// return Future.value((true, {'message': '命令已执行'}));
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// },
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// );
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AIChatAssistantManager.instance.setupCommandHandle(commandHandler: VehicleCommandClent());
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runApp(const MyApp());
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// AIChatAssistantManager.instance.setWakeWordDetection(true);
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// AIChatAssistantManager.instance.startVoskWakeword();
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}
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'AI Chat Assistant Example',
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theme: ThemeData(
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primarySwatch: Colors.blue,
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useMaterial3: true,
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),
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home: HomePage(),
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);
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}
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}
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