Ekran wyniku nie powinien przysłaniać tabów

lib/main.dart

@@ -7,12 +7,9 @@ import 'package:logging/logging.dart';
 import 'package:pola_flutter/analytics/analytics_main_tab.dart';
 import 'package:pola_flutter/analytics/pola_analytics.dart';
 import 'package:pola_flutter/i18n/strings.g.dart';
-import 'package:pola_flutter/models/search_result.dart';
-import 'package:pola_flutter/pages/dialpad/dialpad.dart';
-import 'package:pola_flutter/pages/scan/scan.dart';
+import 'package:pola_flutter/pages/scan/scan_navigator.dart';
 import 'package:pola_flutter/ui/web_view_tab.dart';
 import 'firebase_options.dart';
-import 'pages/detail/detail.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -45,7 +42,6 @@ class _PolaAppState extends State<PolaApp> {
       theme: ThemeData(
         colorScheme: ColorScheme.light().copyWith(primary: Colors.red),
       ),
-      onGenerateRoute: RouteGenerator.generateRoute,
       home: DefaultTabController(
         length: 3,
         child: Scaffold(
@@ -76,7 +72,7 @@ class _PolaAppState extends State<PolaApp> {
   }
 
   final List<Widget> _tabs = [
-    MainPage(),
+    ScanNavigator(),
     WebViewTab(title: "Wyszukiwarka", url: "https://www.pola-app.pl/m/search/"),
     WebViewTab(title: "Wiadomości", url: "https://www.pola-app.pl/m/blog/")
   ];
@@ -102,30 +98,6 @@ class _PolaAppState extends State<PolaApp> {
   }
 }
 
-class RouteGenerator {
-  static Route<dynamic> generateRoute(RouteSettings settings) {
-    final args = settings.arguments;
-
-    switch (settings.name) {
-      case '/':
-        return MaterialPageRoute(builder: (_) => MainPage());
-      case '/detail':
-        if (args is SearchResult) {
-          return MaterialPageRoute(
-            builder: (_) => DetailPage(
-              searchResult: args,
-            ),
-          );
-        }
-        return MaterialPageRoute(builder: (_) => MainPage());
-      case '/dialpad':
-        return MaterialPageRoute(builder: (_) => DialPadPage());
-      default:
-        return MaterialPageRoute(builder: (_) => MainPage());
-    }
-  }
-}
-
 class SimpleBlocObserver extends BlocObserver {
   @override
   void onTransition(Bloc bloc, Transition transition) {

lib/pages/scan/scan_navigator.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+import 'package:pola_flutter/models/search_result.dart';
+import 'package:pola_flutter/pages/detail/detail.dart';
+import 'package:pola_flutter/pages/dialpad/dialpad.dart';
+import 'package:pola_flutter/pages/scan/scan.dart';
+
+class ScanNavigator extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Navigator(
+      onGenerateRoute: generateRoute,
+      initialRoute: '/',
+    );
+  }
+
+  Route<dynamic> generateRoute(RouteSettings settings) {
+    final args = settings.arguments;
+
+    switch (settings.name) {
+      case '/':
+        return MaterialPageRoute(builder: (_) => MainPage());
+      case '/detail':
+        if (args is SearchResult) {
+          return MaterialPageRoute(
+            builder: (_) => DetailPage(
+              searchResult: args,
+            ),
+          );
+        }
+        return MaterialPageRoute(builder: (_) => MainPage());
+      case '/dialpad':
+        return MaterialPageRoute(builder: (_) => DialPadPage());
+      default:
+        return MaterialPageRoute(builder: (_) => MainPage());
+    }
+  }
+}

lib/ui/menu_icon_button.dart

@@ -19,6 +19,7 @@ class MenuIconButton extends StatelessWidget {
           backgroundColor: Colors.transparent,
           isScrollControlled: true,
           context: context,
+          useRootNavigator: true,
           builder: (BuildContext context) {
             return MenuBottomSheet(analytics: _analytics);
           }