65 lines
2.1 KiB
Dart
65 lines
2.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'home_screen.dart';
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import 'services_screen.dart';
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import 'ai_chat_screen.dart';
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import 'messages_screen.dart';
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import 'profile_screen.dart';
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import 'create_activity_screen.dart';
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class MainScreen extends StatefulWidget {
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const MainScreen({super.key});
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@override
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State<MainScreen> createState() => _MainScreenState();
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}
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class _MainScreenState extends State<MainScreen> {
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int _currentIndex = 0;
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final _screens = [
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HomeScreen(),
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ServicesScreen(),
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AiChatScreen(),
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MessagesScreen(),
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ProfileScreen(),
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];
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: IndexedStack(index: _currentIndex, children: _screens),
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floatingActionButton: _buildGlobalFab(),
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floatingActionButtonLocation: FloatingActionButtonLocation.endFloat,
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bottomNavigationBar: BottomNavigationBar(
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currentIndex: _currentIndex,
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onTap: (i) => setState(() => _currentIndex = i),
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items: const [
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BottomNavigationBarItem(icon: Icon(Icons.home_outlined), activeIcon: Icon(Icons.home), label: '首页'),
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BottomNavigationBarItem(icon: Icon(Icons.grid_view_outlined), activeIcon: Icon(Icons.grid_view), label: '服务'),
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BottomNavigationBarItem(icon: Icon(Icons.smart_toy_outlined), activeIcon: Icon(Icons.smart_toy), label: 'AI管家'),
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BottomNavigationBarItem(icon: Icon(Icons.message_outlined), activeIcon: Icon(Icons.message), label: '消息'),
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BottomNavigationBarItem(icon: Icon(Icons.person_outline), activeIcon: Icon(Icons.person), label: '我的'),
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],
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),
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);
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}
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Widget? _buildGlobalFab() {
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if (_currentIndex == 0) {
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return null;
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}
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return FloatingActionButton.extended(
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onPressed: () {
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Navigator.push(
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context,
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MaterialPageRoute(builder: (_) => CreateActivityScreen()),
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);
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},
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icon: const Icon(Icons.add),
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label: const Text('发起活动', style: TextStyle(fontSize: 16)),
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backgroundColor: const Color(0xFF1976D2),
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foregroundColor: Colors.white,
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);
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}
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}
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