重构

lib/views/profile/settings/app_fun.dart

@@ -25,9 +25,7 @@ class _AppFunSettingsPageState extends State<AppFunSettingsPage> {
   bool _vibrationEnabled = true;
   bool _darkModeEnabled = false;
   bool _preloadEnabled = true;
-  bool _notificationEnabled = true;
   bool _globalTipsEnabled = true; // 添加全局Tips开关状态
-  int _cacheSize = 128;
 
   static const String _autoRefreshKey = 'auto_refresh_enabled';
   static const String _debugInfoKey = 'debug_info_enabled';
@@ -311,28 +309,6 @@ class _AppFunSettingsPageState extends State<AppFunSettingsPage> {
     );
   }
 
-  Widget _buildCacheItem() {
-    return ListTile(
-      leading: Container(
-        padding: const EdgeInsets.all(8),
-        decoration: BoxDecoration(
-          color: AppConstants.primaryColor.withValues(alpha: 0.1),
-          borderRadius: BorderRadius.circular(8),
-        ),
-        child: Icon(Icons.storage, color: AppConstants.primaryColor, size: 20),
-      ),
-      title: const Text(
-        '缓存大小',
-        style: TextStyle(fontSize: 15, fontWeight: FontWeight.w500),
-      ),
-      subtitle: Text(
-        '$_cacheSize MB',
-        style: TextStyle(fontSize: 12, color: Colors.grey[600]),
-      ),
-      trailing: Icon(Icons.chevron_right, color: Colors.grey[400]),
-    );
-  }
-
   Widget _buildActionItem(
     String title,
     String subtitle,
@@ -403,32 +379,6 @@ class _AppFunSettingsPageState extends State<AppFunSettingsPage> {
     ).showSnackBar(SnackBar(content: Text(message)));
   }
 
-  void _showClearCacheDialog() {
-    showDialog(
-      context: context,
-      builder: (context) => AlertDialog(
-        title: const Text('清除缓存'),
-        content: const Text('确定要清除所有缓存数据吗？这不会影响您的笔记和收藏。'),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.of(context).pop(),
-            child: const Text('取消'),
-          ),
-          TextButton(
-            onPressed: () {
-              Navigator.of(context).pop();
-              setState(() {
-                _cacheSize = 0;
-              });
-              _showSnackBar('缓存已清除');
-            },
-            child: Text('确定', style: TextStyle(color: Colors.red[400])),
-          ),
-        ],
-      ),
-    );
-  }
-
   void _showResetDialog() {
     showDialog(
       context: context,
@@ -450,7 +400,6 @@ class _AppFunSettingsPageState extends State<AppFunSettingsPage> {
                 _vibrationEnabled = true;
                 _globalTipsEnabled = true; // 重置全局Tips开关为开启
                 _darkModeEnabled = false;
-                _notificationEnabled = true;
               });
               _showSnackBar('已恢复默认设置');
             },