feat(mobile): #24 Flutter三合一APP骨架搭建
- Flutter 3.x 项目初始化(pubspec.yaml + 目录结构) - 核心依赖:dio/go_router/provider/shared_preferences/hive/geolocator - 统一登录页 + Token管理(TokenService + AuthInterceptor) - 底部Tab三合一导航(供水/巡检/营收) - 供水管理Tab:监测数据列表(MonitorListPage) - 巡检Tab:任务列表+状态筛选+进度展示(PatrolTaskListPage) - 营收Tab:抄表页面+账单列表(MeterReadingPage/BillListPage) - 消息推送服务(PushService) - GPS定位服务(LocationService) - 拍照/相册服务(CameraService) - 离线缓存服务(CacheService) - Android/iOS打包配置+权限声明 - GoRouter路由+Auth认证守卫 - Provider状态管理
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import 'dart:async';
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/// 消息推送服务(模拟)
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/// 提供推送初始化、消息接收回调等功能
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class PushService {
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static PushService? _instance;
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final StreamController<PushMessage> _messageController = StreamController.broadcast();
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/// 推送消息流
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Stream<PushMessage> get messageStream => _messageController.stream;
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PushService._internal();
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factory PushService() {
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_instance ??= PushService._internal();
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return _instance!;
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}
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/// 初始化推送服务
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Future<void> initialize() async {
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// TODO: 集成 flutter_local_notifications 或 firebase_messaging
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// 1. 初始化通知插件
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// 2. 请求通知权限
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// 3. 获取设备推送 Token
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// 4. 注册推送 Token 到后端
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print('[PushService] 推送服务已初始化(模拟)');
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// 模拟延迟推送消息
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_simulatePushMessages();
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}
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/// 获取设备推送 Token
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Future<String?> getDeviceToken() async {
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// TODO: 获取实际的推送 Token
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return 'mock_device_token_${DateTime.now().millisecondsSinceEpoch}';
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}
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/// 注册推送 Token 到后端
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Future<void> registerToken(String token) async {
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// TODO: 调用后端接口注册 Token
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print('[PushService] Token 已注册: $token');
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}
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/// 处理接收到的推送消息
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void onMessageReceived(Map<String, dynamic> data) {
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final message = PushMessage(
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id: data['id']?.toString() ?? '',
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title: data['title'] ?? '',
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body: data['body'] ?? '',
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type: data['type'] ?? 'general',
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data: data,
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timestamp: DateTime.now(),
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);
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_messageController.add(message);
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}
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/// 显示本地通知
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Future<void> showLocalNotification({
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required String title,
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required String body,
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String? payload,
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}) async {
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// TODO: 使用 flutter_local_notifications 显示本地通知
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print('[PushService] 本地通知: $title - $body');
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}
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/// 模拟推送消息
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void _simulatePushMessages() {
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Future.delayed(const Duration(seconds: 10), () {
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_messageController.add(PushMessage(
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id: 'mock_1',
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title: '巡检提醒',
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body: '您有一条新的巡检任务待执行',
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type: 'patrol',
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data: {},
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timestamp: DateTime.now(),
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));
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});
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}
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/// 释放资源
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void dispose() {
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_messageController.close();
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}
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}
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/// 推送消息模型
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class PushMessage {
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final String id;
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final String title;
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final String body;
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final String type;
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final Map<String, dynamic> data;
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final DateTime timestamp;
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PushMessage({
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required this.id,
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required this.title,
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required this.body,
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required this.type,
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required this.data,
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required this.timestamp,
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});
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}
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