first commit

lib/main.dart

@@ -0,0 +1,84 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:intl/date_symbol_data_local.dart';
+import 'screens/home_screen.dart';
+import 'screens/permission_screen.dart';
+import 'theme/app_theme.dart';
+import 'providers/time_tracking_provider.dart';
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  
+  // 初始化日期格式化本地化数据
+  await initializeDateFormatting('zh_CN', null);
+  
+  runApp(
+    const ProviderScope(
+      child: AutoTimeTrackerApp(),
+    ),
+  );
+}
+
+class AutoTimeTrackerApp extends StatelessWidget {
+  const AutoTimeTrackerApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'AutoTime Tracker',
+      debugShowCheckedModeBanner: false,
+      theme: AppTheme.lightTheme,
+      darkTheme: AppTheme.darkTheme,
+      themeMode: ThemeMode.system,
+      home: const PermissionCheckScreen(),
+    );
+  }
+}
+
+/// 权限检查屏幕 - 检查权限后决定显示哪个页面
+class PermissionCheckScreen extends ConsumerWidget {
+  const PermissionCheckScreen({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    // Web 平台直接显示主界面（使用测试数据）
+    if (kIsWeb) {
+      return const HomeScreen();
+    }
+
+    final permissionStatus = ref.watch(permissionStatusProvider);
+
+    return permissionStatus.when(
+      data: (hasPermission) {
+        if (hasPermission) {
+          return const HomeScreen();
+        } else {
+          return const PermissionScreen();
+        }
+      },
+      loading: () => const Scaffold(
+        body: Center(child: CircularProgressIndicator()),
+      ),
+      error: (error, stack) => Scaffold(
+        body: Center(
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              const Icon(Icons.error_outline, size: 48, color: Colors.red),
+              const SizedBox(height: 16),
+              Text('检查权限时出错: $error'),
+              const SizedBox(height: 16),
+              ElevatedButton(
+                onPressed: () {
+                  ref.invalidate(permissionStatusProvider);
+                },
+                child: const Text('重试'),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}