- 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
46 lines
1.1 KiB
Dart
46 lines
1.1 KiB
Dart
import 'package:flutter/material.dart';
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/// 加载遮罩组件
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class LoadingOverlay extends StatelessWidget {
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final bool isLoading;
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final Widget child;
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final String? message;
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const LoadingOverlay({
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super.key,
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required this.isLoading,
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required this.child,
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this.message,
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});
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@override
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Widget build(BuildContext context) {
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return Stack(
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children: [
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child,
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if (isLoading)
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Container(
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color: Colors.black.withOpacity(0.3),
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child: Center(
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child: Card(
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child: Padding(
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padding: const EdgeInsets.all(24),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const CircularProgressIndicator(),
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if (message != null) ...[
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const SizedBox(height: 16),
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Text(message!),
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],
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],
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),
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),
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),
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),
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),
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],
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);
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}
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}
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