navigaton_provider.dart

 .... 
 Route<dynamic> onGenerateRoute(RouteSettings settings) {
    print('Oluşturulan rota: ${settings.name}');
    switch (settings.name) {
      case PushedScreen.route:
        return MaterialPageRoute(builder: (_) => PushedScreen());
      case SimpleScreen.route:
        return MaterialPageRoute(builder: (_) => SimpleScreen());
      default:
        return MaterialPageRoute(builder: (_) => Root());
    }
  }
....