Flutter development series – Part 5

navigator_bloc.dart

class NavigatorBloc extends Bloc<NavigatorEvent, dynamic>{
  
  final GlobalKey<NavigatorState> navigatorKey;
  
  NavigatorBloc({this.navigatorKey});

  @override
  dynamic get initialState => "Initial";

  @override
  Stream<dynamic> mapEventToState(NavigatorEvent event) async* {
    if(event is NavigatorEventPop){
      navigatorKey.currentState.pop();
    }else if(event is NavigatorEventAdd){
      navigatorKey.currentState.pushNamed('/add');
    }
    yield "Updated";
  }
}