setTitlebar指令，隐藏标题栏时，将状态栏设为透明背景

lib/ui/pages/web_page.dart

@@ -5,6 +5,7 @@ import 'package:appframe/config/env_config.dart';
 import 'package:appframe/config/locator.dart';
 import 'package:appframe/config/routes.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:go_router/go_router.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -118,9 +119,20 @@ class WebPage extends StatelessWidget {
                 : null,
           );
 
+          final child = state.showAppBar
+              ? scaffold
+              : AnnotatedRegion<SystemUiOverlayStyle>(
+                  value: const SystemUiOverlayStyle(
+                    statusBarColor: Colors.transparent, // 设置状态栏背景透明
+                    statusBarIconBrightness: Brightness.dark,
+                    statusBarBrightness: Brightness.light,
+                  ),
+                  child: scaffold,
+                );
+
           // ios 不使用 PopScope
           if (Platform.isIOS) {
-            return scaffold;
+            return child;
           }
 
           return PopScope(
@@ -131,7 +143,7 @@ class WebPage extends StatelessWidget {
               }
               ctx.read<WebCubit>().handleBack();
             },
-            child: scaffold,
+            child: child,
           );
         },
         listener: (context, state) {