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
2026-06-15 08:52:55 +08:00
parent 37bcc78eee
commit d9d72405c6
41 changed files with 3014 additions and 0 deletions
@@ -0,0 +1,48 @@
+import 'package:flutter/material.dart';
+
+/// 空状态组件
+class EmptyState extends StatelessWidget {
+  final IconData icon;
+  final String message;
+  final String? actionLabel;
+  final VoidCallback? onAction;
+
+  const EmptyState({
+    super.key,
+    this.icon = Icons.inbox,
+    required this.message,
+    this.actionLabel,
+    this.onAction,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(32),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Icon(icon, size: 64, color: Colors.grey[400]),
+            const SizedBox(height: 16),
+            Text(
+              message,
+              textAlign: TextAlign.center,
+              style: TextStyle(
+                fontSize: 16,
+                color: Colors.grey[600],
+              ),
+            ),
+            if (actionLabel != null && onAction != null) ...[
+              const SizedBox(height: 16),
+              ElevatedButton(
+                onPressed: onAction,
+                child: Text(actionLabel!),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}
@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+
+/// 错误重试组件
+class ErrorRetry extends StatelessWidget {
+  final String message;
+  final VoidCallback onRetry;
+
+  const ErrorRetry({
+    super.key,
+    required this.message,
+    required this.onRetry,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(32),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Icon(Icons.error_outline, size: 64, color: Colors.red[300]),
+            const SizedBox(height: 16),
+            Text(
+              message,
+              textAlign: TextAlign.center,
+              style: TextStyle(fontSize: 16, color: Colors.grey[700]),
+            ),
+            const SizedBox(height: 16),
+            ElevatedButton.icon(
+              onPressed: onRetry,
+              icon: const Icon(Icons.refresh),
+              label: const Text('重试'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
@@ -0,0 +1,45 @@
+import 'package:flutter/material.dart';
+
+/// 加载遮罩组件
+class LoadingOverlay extends StatelessWidget {
+  final bool isLoading;
+  final Widget child;
+  final String? message;
+
+  const LoadingOverlay({
+    super.key,
+    required this.isLoading,
+    required this.child,
+    this.message,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Stack(
+      children: [
+        child,
+        if (isLoading)
+          Container(
+            color: Colors.black.withOpacity(0.3),
+            child: Center(
+              child: Card(
+                child: Padding(
+                  padding: const EdgeInsets.all(24),
+                  child: Column(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      const CircularProgressIndicator(),
+                      if (message != null) ...[
+                        const SizedBox(height: 16),
+                        Text(message!),
+                      ],
+                    ],
+                  ),
+                ),
+              ),
+            ),
+          ),
+      ],
+    );
+  }
+}