create project

2026-05-19 11:46:42 +08:00
commit dcdf1f60b1
60 changed files with 9309 additions and 0 deletions
--- a/frontend/lib/app.dart
+++ b/frontend/lib/app.dart
@@ -0,0 +1,128 @@
+import 'dart:ui';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'providers/auth_provider.dart';
+import 'screens/home/home_screen.dart';
+import 'screens/auth/login_screen.dart';
+import 'screens/auth/register_screen.dart';
+import 'screens/profile/profile_screen.dart';
+import 'screens/statistics/statistics_screen.dart';
+import 'screens/add_bill/add_bill_screen.dart';
+import 'screens/auth/user_profile_screen.dart';
+import 'screens/auth/bind_email_screen.dart';
+import 'screens/family/family_management_screen.dart';
+
+class AppShell extends ConsumerStatefulWidget {
+  const AppShell({super.key});
+  @override
+  ConsumerState<AppShell> createState() => _AppShellState();
+}
+
+class _AppShellState extends ConsumerState<AppShell> {
+  int _currentTab = 0;
+  bool _showAddBill = false;
+
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      ref.read(authProvider.notifier).restoreSession();
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final authState = ref.watch(authProvider);
+
+    Widget body;
+    if (_showAddBill) {
+      return const AddBillScreen();
+    }
+
+    switch (_currentTab) {
+      case 0:
+        body = const HomeScreen();
+        break;
+      case 1:
+        body = const StatisticsScreen();
+        break;
+      case 2:
+        body = const ProfileScreen();
+        break;
+      default:
+        body = const HomeScreen();
+    }
+
+    return Scaffold(
+      body: body,
+      bottomNavigationBar: Container(
+        padding: const EdgeInsets.only(bottom: 16),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Container(
+              decoration: BoxDecoration(
+                color: AppColors.cardBg,
+                borderRadius: BorderRadius.circular(30),
+                border: Border.all(color: Colors.white.withOpacity(0.8)),
+                boxShadow: [BoxShadow(color: AppColors.brand.withOpacity(0.08), blurRadius: 32, offset: const Offset(0, 8))],
+              ),
+              child: ClipRRect(
+                borderRadius: BorderRadius.circular(30),
+                child: BackdropFilter(
+                  filter: ImageFilter.blur(sigmaX: 30, sigmaY: 30),
+                  child: BottomNavigationBar(
+                    currentIndex: _currentTab,
+                    onTap: (i) => setState(() => _currentTab = i),
+                    backgroundColor: Colors.transparent,
+                    elevation: 0,
+                    selectedItemColor: AppColors.brand,
+                    unselectedItemColor: AppColors.textSecondary,
+                    items: const [
+                      BottomNavigationBarItem(icon: Icon(Icons.home_outlined, size: 22), activeIcon: Icon(Icons.home, size: 22), label: '首页'),
+                      BottomNavigationBarItem(icon: Icon(Icons.bar_chart_outlined, size: 22), activeIcon: Icon(Icons.bar_chart, size: 22), label: '统计'),
+                      BottomNavigationBarItem(icon: Icon(Icons.person_outline, size: 22), activeIcon: Icon(Icons.person, size: 22), label: '我的'),
+                    ],
+                  ),
+                ),
+              ),
+            ),
+            const SizedBox(width: 8),
+            GestureDetector(
+              onTap: () {
+                if (!authState.isLoggedIn && mounted) {
+                  _navigateToLogin();
+                  return;
+                }
+                setState(() => _showAddBill = true);
+              },
+              child: Container(
+                width: 48,
+                height: 48,
+                decoration: BoxDecoration(
+                  gradient: const LinearGradient(colors: [Color(0xFFFF6B35), Color(0xFFFF9F5B)]),
+                  shape: BoxShape.circle,
+                  boxShadow: [BoxShadow(color: AppColors.brand.withOpacity(0.3), blurRadius: 12, offset: const Offset(0, 4))],
+                ),
+                child: const Icon(Icons.add, color: Colors.white, size: 24),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  void _navigateToLogin() {
+    Navigator.of(context).push(MaterialPageRoute(builder: (_) => const LoginScreen()));
+  }
+}
+
+// Colors used in this file
+class AppColors {
+  static const brand = Color(0xFFFF6B35);
+  static const brandLight = Color(0xFFFF9F5B);
+  static const cardBg = Color(0xA6FFFFFF);
+  static const textPrimary = Color(0xFF1C1C1E);
+  static const textSecondary = Color(0xFF8E8E93);
+}