flutter_bloc

  @override
  Widget build(BuildContext context) {
    return BlocProvider(
      create: (BuildContext context) {
        _welcomeBloc = WelcomeBloc();
        _welcomeBloc.add(WelcomeFetch());
        return _welcomeBloc;
      },
      child: CupertinoPageScaffold(child: BlocBuilder<WelcomeBloc, WelcomeState>(
          builder: (context, state) {
            print(state);
            if (state is WelcomeUninitialized) {
              return LoadView();
            }

            if (state is WelcomeLoaded) {
              return welcomeLoaded(state);
            }

            return Container();
          })),
    );
  }