Initial commit: Flutter 无书应用项目

2026-03-30 02:35:31 +08:00
commit 9175ff9905
566 changed files with 103261 additions and 0 deletions
--- a/lib/views/main_navigation.dart
+++ b/lib/views/main_navigation.dart
@@ -0,0 +1,91 @@
+import 'package:flutter/material.dart';
+import '../constants/app_constants.dart';
+import '../routes/app_routes.dart';
+import './home/home_page.dart';
+import './discover_page.dart';
+import './favorites_page.dart';
+import './profile/profile_page.dart';
+
+/// 时间: 2025-03-21
+/// 功能: 主导航页面，包含底部导航栏和4个主要页面
+/// 介绍: 这是应用的主要导航容器，提供底部导航栏来切换主页、发现、收藏和个人页面
+/// 最新变化: 新创建文件，实现了底部导航栏功能，添加黑屏检查
+
+class MainNavigation extends StatefulWidget {
+  const MainNavigation({super.key});
+
+  @override
+  State<MainNavigation> createState() => _MainNavigationState();
+}
+
+class _MainNavigationState extends State<MainNavigation> {
+  int _currentIndex = 0;
+
+  final List<Widget> _pages = [
+    const HomePage(),
+    const DiscoverPage(),
+    const FavoritesPage(),
+    const ProfilePage(),
+  ];
+
+  final List<BottomNavigationBarItem> _bottomNavItems = [
+    const BottomNavigationBarItem(
+      icon: Icon(Icons.home),
+      activeIcon: Icon(Icons.home, color: AppConstants.primaryColor),
+      label: '主页',
+    ),
+    const BottomNavigationBarItem(
+      icon: Icon(Icons.explore),
+      activeIcon: Icon(Icons.explore, color: AppConstants.primaryColor),
+      label: '发现',
+    ),
+    const BottomNavigationBarItem(
+      icon: Icon(Icons.favorite_border),
+      activeIcon: Icon(Icons.favorite, color: AppConstants.primaryColor),
+      label: '收藏',
+    ),
+    const BottomNavigationBarItem(
+      icon: Icon(Icons.person_outline),
+      activeIcon: Icon(Icons.person, color: AppConstants.primaryColor),
+      label: '个人',
+    ),
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: IndexedStack(index: _currentIndex, children: _pages),
+      bottomNavigationBar: Container(
+        decoration: BoxDecoration(
+          color: Colors.white,
+          boxShadow: [
+            BoxShadow(
+              color: Colors.black.withValues(alpha: 0.1),
+              blurRadius: 8,
+              offset: const Offset(0, -2),
+            ),
+          ],
+        ),
+        child: SafeArea(
+          top: false,
+          child: BottomNavigationBar(
+            currentIndex: _currentIndex,
+            onTap: (index) {
+              setState(() {
+                _currentIndex = index;
+              });
+            },
+            type: BottomNavigationBarType.fixed,
+            selectedItemColor: AppConstants.primaryColor,
+            unselectedItemColor: Colors.grey[600],
+            backgroundColor: Colors.white,
+            elevation: 0,
+            items: _bottomNavItems,
+            selectedFontSize: 12,
+            unselectedFontSize: 12,
+          ),
+        ),
+      ),
+    );
+  }
+}