优化 setScreen 指令

lib/data/repositories/message/screen_handler.dart

@@ -2,6 +2,9 @@ import 'package:appframe/services/dispatcher.dart';
 import 'package:flutter/services.dart' hide MessageHandler;
 
 class ScreenHandler extends MessageHandler {
+  /// 是否处于横屏全屏状态
+  bool _isLandscape = false;
+
   @override
   Future<dynamic> handleMessage(dynamic params) async {
     if (params is! Map<String, dynamic>) {
@@ -17,20 +20,30 @@ class ScreenHandler extends MessageHandler {
   Future<void> _setOrientation(int screenType) async {
     if (screenType == 2) {
       // 横屏模式
+      _isLandscape = true;
       await SystemChrome.setPreferredOrientations([
         DeviceOrientation.landscapeLeft,
         DeviceOrientation.landscapeRight,
       ]);
-      // 隐藏状态栏
-      await SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersive);
+      // 隐藏状态栏（immersiveSticky：短暂显示后自动隐藏）
+      await SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky);
+      // 监听系统UI变化，用户滑动唤出状态栏后立即重新隐藏
+      SystemChrome.setSystemUIChangeCallback((isSystemUIDefaultVisible) async {
+        if (_isLandscape && isSystemUIDefaultVisible) {
+          await SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky);
+        }
+      });
     } else {
       // 竖屏模式（默认）
+      _isLandscape = false;
       await SystemChrome.setPreferredOrientations([
         DeviceOrientation.portraitUp,
         DeviceOrientation.portraitDown,
       ]);
       // 显示状态栏
       await SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
+      // 移除系统UI变化监听
+      SystemChrome.setSystemUIChangeCallback(null);
     }
   }
 }