android/app/build.gradle

@@ -30,18 +30,11 @@ android {
         versionName = flutter.versionName
     }
 
-    signingConfigs {
-        release {
-            storeFile file('/home/ubuntu/banxiang-release.jks')
-            storePassword 'banxiang2026'
-            keyAlias 'banxiang'
-            keyPassword 'banxiang2026'
-        }
-    }
-
     buildTypes {
         release {
-            signingConfig = signingConfigs.release
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig = signingConfigs.debug
         }
     }
 }

lib/screens/about_screen.dart

@@ -1,45 +0,0 @@
-import 'package:flutter/material.dart';
-
-class AboutScreen extends StatelessWidget {
-  const AboutScreen({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        title: const Text('关于'),
-      ),
-      body: const Center(
-        child: Column(
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: [
-            Text(
-              '伴享',
-              style: TextStyle(
-                fontSize: 28,
-                fontWeight: FontWeight.bold,
-              ),
-            ),
-            SizedBox(height: 16),
-            Text(
-              '当前版本: 1.1.9+11',
-              style: TextStyle(
-                fontSize: 16,
-                color: Colors.grey,
-              ),
-            ),
-            SizedBox(height: 16),
-            Padding(
-              padding: EdgeInsets.symmetric(horizontal: 32),
-              child: Text(
-                '伴享 — 专为银发族打造的社交平台',
-                textAlign: TextAlign.center,
-                style: TextStyle(fontSize: 16),
-              ),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-}

lib/screens/activity_list_screen.dart

@@ -1,6 +1,10 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
+import 'publish_screen.dart';
 import 'activity_detail_screen.dart';
+import 'friends_screen.dart';
+import 'messages_screen.dart';
+import 'profile_screen.dart';
 
 class ActivityListScreen extends StatefulWidget {
   @override
@@ -8,6 +12,8 @@ class ActivityListScreen extends StatefulWidget {
 }
 
 class _ActivityListScreenState extends State<ActivityListScreen> {
+  int _selectedIndex = 0;
+  final _feedKey = GlobalKey<RefreshIndicatorState>();
   String? _selectedTime;
 
   // 模拟活动数据
@@ -76,13 +82,46 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
     await Future.delayed(const Duration(milliseconds: 200));
   }
 
+  void _onItemTapped(int index) {
+    if (index == 0 && _selectedIndex == 0) {
+      _feedKey.currentState?.show();
+      return;
+    }
+    if (index == 2) {
+      // 中间按钮 - 跳转到发布页面
+      Navigator.push(
+        context,
+        MaterialPageRoute(builder: (context) => PublishScreen()),
+      );
+      return;
+    }
+    if (index == 1) {
+      Navigator.push(
+        context,
+        MaterialPageRoute(builder: (context) => const FriendsScreen()),
+      );
+      return;
+    }
+    if (index == 3 || index == 4) {
+      if (_selectedIndex != index) {
+        setState(() {
+          _selectedIndex = index;
+        });
+      }
+      return;
+    }
+    if (_selectedIndex != index) {
+      setState(() {
+        _selectedIndex = index;
+      });
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
-    return Container(
-      color: const Color(0xFFFFF8F0),
-      child: Column(
-        children: [
-          AppBar(
+    return Scaffold(
+      backgroundColor: const Color(0xFFFFF8F0),
+      appBar: AppBar(
         title: Text('伴享', style: TextStyle(fontWeight: FontWeight.bold)),
         centerTitle: true,
         actions: [
@@ -96,15 +135,28 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
           ),
         ],
       ),
-          Expanded(child: _buildFeed()),
-        ],
-      ),
+      body: _buildBody(),
+      bottomNavigationBar: _buildBottomNavigationBar(),
+      floatingActionButton: _buildFloatingActionButton(),
+      floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,
     );
   }
 
+  Widget _buildBody() {
+    switch (_selectedIndex) {
+      case 3:
+        return const MessagesScreen();
+      case 4:
+        return const ProfileScreen();
+      default:
+        return _buildFeed();
+    }
+  }
+
   Widget _buildFeed() {
     final filteredActivities = _getFilteredActivities();
     return RefreshIndicator(
+      key: _feedKey,
       onRefresh: _refreshActivities,
       child: ListView(
         physics: const AlwaysScrollableScrollPhysics(),
@@ -323,4 +375,91 @@ class _ActivityListScreenState extends State<ActivityListScreen> {
     );
   }
 
+  Widget _buildBottomNavigationBar() {
+    return Container(
+      decoration: BoxDecoration(
+        color: Colors.white,
+        boxShadow: [
+          BoxShadow(
+            color: Colors.black.withOpacity(0.05),
+            blurRadius: 10,
+            offset: Offset(0, -2),
+          ),
+        ],
+      ),
+      child: SafeArea(
+        child: Container(
+          height: 60,
+          child: Row(
+            children: [
+              _buildNavItem(0, Icons.home, '首页'),
+              _buildNavItem(1, Icons.people, '好友'),
+              SizedBox(width: 60), // 中间按钮占位
+              _buildNavItem(3, Icons.message, '消息'),
+              _buildNavItem(4, Icons.person, '我的'),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildNavItem(int index, IconData icon, String label) {
+    final isSelected = _selectedIndex == index;
+    return Expanded(
+      child: GestureDetector(
+        onTap: () => _onItemTapped(index),
+        behavior: HitTestBehavior.opaque,
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Icon(
+              icon,
+              color: isSelected ? Color(0xFFFF6B35) : Color(0xFF999999),
+              size: 24,
+            ),
+            SizedBox(height: 4),
+            Text(
+              label,
+              style: TextStyle(
+                fontSize: 11,
+                color: isSelected ? Color(0xFFFF6B35) : Color(0xFF999999),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildFloatingActionButton() {
+    return Container(
+      width: 56,
+      height: 56,
+      margin: EdgeInsets.only(top: 30),
+      decoration: BoxDecoration(
+        shape: BoxShape.circle,
+        gradient: LinearGradient(
+          colors: [Color(0xFFFF6B35), Color(0xFFFFB84D)],
+          begin: Alignment.topLeft,
+          end: Alignment.bottomRight,
+        ),
+        boxShadow: [
+          BoxShadow(
+            color: Color(0xFFFF6B35).withOpacity(0.4),
+            blurRadius: 12,
+            offset: Offset(0, 4),
+          ),
+        ],
+      ),
+      child: Material(
+        color: Colors.transparent,
+        child: InkWell(
+          onTap: () => _onItemTapped(2),
+          customBorder: CircleBorder(),
+          child: Icon(Icons.add, color: Colors.white, size: 28),
+        ),
+      ),
+    );
+  }
 }

lib/screens/main_screen.dart

@@ -1,11 +1,9 @@
 import 'package:flutter/material.dart';
-import 'activity_list_screen.dart';
-import 'friends_screen.dart';
+import 'home_screen.dart';
 import 'services_screen.dart';
 import 'ai_chat_screen.dart';
 import 'messages_screen.dart';
 import 'profile_screen.dart';
-import 'create_activity_screen.dart';
 
 class MainScreen extends StatefulWidget {
   const MainScreen({super.key});
@@ -16,9 +14,8 @@ class MainScreen extends StatefulWidget {
 class _MainScreenState extends State<MainScreen> {
   int _currentIndex = 0;
   
-  final _screens = [
-    ActivityListScreen(),
-    FriendsScreen(),
+  final _screens = const [
+    HomeScreen(),
     ServicesScreen(),
     AiChatScreen(),
     MessagesScreen(),
@@ -29,17 +26,11 @@ class _MainScreenState extends State<MainScreen> {
   Widget build(BuildContext context) {
     return Scaffold(
       body: IndexedStack(index: _currentIndex, children: _screens),
-      floatingActionButton: _buildGlobalFab(),
-      floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,
       bottomNavigationBar: BottomNavigationBar(
-        type: BottomNavigationBarType.fixed,
         currentIndex: _currentIndex,
         onTap: (i) => setState(() => _currentIndex = i),
-        selectedItemColor: const Color(0xFFFF6B35),
-        unselectedItemColor: const Color(0xFF999999),
         items: const [
           BottomNavigationBarItem(icon: Icon(Icons.home_outlined), activeIcon: Icon(Icons.home), label: '首页'),
-          BottomNavigationBarItem(icon: Icon(Icons.people_outline), activeIcon: Icon(Icons.people), label: '好友'),
           BottomNavigationBarItem(icon: Icon(Icons.grid_view_outlined), activeIcon: Icon(Icons.grid_view), label: '服务'),
           BottomNavigationBarItem(icon: Icon(Icons.smart_toy_outlined), activeIcon: Icon(Icons.smart_toy), label: 'AI管家'),
           BottomNavigationBarItem(icon: Icon(Icons.message_outlined), activeIcon: Icon(Icons.message), label: '消息'),
@@ -48,40 +39,4 @@ class _MainScreenState extends State<MainScreen> {
       ),
     );
   }
-
-  Widget _buildGlobalFab() {
-    return Container(
-      width: 56,
-      height: 56,
-      margin: const EdgeInsets.only(top: 30),
-      decoration: BoxDecoration(
-        shape: BoxShape.circle,
-        gradient: const LinearGradient(
-          colors: [Color(0xFFFF6B35), Color(0xFFFFB84D)],
-          begin: Alignment.topLeft,
-          end: Alignment.bottomRight,
-        ),
-        boxShadow: [
-          BoxShadow(
-            color: const Color(0xFFFF6B35).withOpacity(0.35),
-            blurRadius: 12,
-            offset: const Offset(0, 4),
-          ),
-        ],
-      ),
-      child: Material(
-        color: Colors.transparent,
-        child: InkWell(
-          onTap: () {
-            Navigator.push(
-              context,
-              MaterialPageRoute(builder: (_) => CreateActivityScreen()),
-            );
-          },
-          customBorder: const CircleBorder(),
-          child: const Icon(Icons.add, color: Colors.white, size: 28),
-        ),
-      ),
-    );
-  }
 }

lib/screens/profile_screen.dart

@@ -3,7 +3,6 @@ import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
-import 'about_screen.dart';
 import 'profile_setup_screen.dart';
 
 class ProfileScreen extends StatefulWidget {
@@ -128,17 +127,6 @@ class _ProfileScreenState extends State<ProfileScreen> {
                       ),
                     ),
             ),
-            // 关于入口
-            ListTile(
-              leading: const Icon(Icons.info_outline),
-              title: const Text('关于'),
-              trailing: const Icon(Icons.chevron_right),
-              onTap: () {
-                Navigator.of(context).push(
-                  MaterialPageRoute(builder: (_) => const AboutScreen()),
-                );
-              },
-            ),
             Padding(
               padding: const EdgeInsets.fromLTRB(24, 0, 24, 24),
               child: SizedBox(

pubspec.yaml

@@ -1,6 +1,6 @@
 name: banxiang_app
 description: 伴享
-version: 1.1.9+11
+version: 1.1.8+10
 
 environment:
   sdk: '>=3.0.0 <4.0.0'

scripts/version_check.sh

@@ -1,13 +0,0 @@
-#!/bin/bash
-
-# 读取 pubspec.yaml 中的 version 字段
-VERSION=$(grep "^version:" pubspec.yaml | sed 's/version: *//' | tr -d ' ')
-
-# 检查 version 格式是否符合 x.x.x+x（用正则）
-if [[ ! $VERSION =~ ^[0-9]+\.[0-9]+\.[0-9]+\+[0-9]+$ ]]; then
-    echo "错误: version 格式不符合 x.x.x+x"
-    exit 1
-fi
-
-# 输出格式：当前版本: x.x.x+x
-echo "当前版本: $VERSION"