navigatorKey top-level property

GlobalKey<NavigatorState> navigatorKey

a GlobalKey

import 'package:flutter_meedu/router.dart' as router;
class MyApp extends StatelessWidget {
 @override
 Widget build(BuildContext context) {
   return MaterialApp(
     navigatorKey: router.navigatorKey, // add the navigator key
     home: HomePage(),
     routes: {YOUR_ROUTES},
   );
 }
}

Implementation

GlobalKey<NavigatorState> get navigatorKey => MeeduNavigator.i.navigatorKey;