bloc_provider_2.dart

class UserView2 extends StatelessWidget {
  const UserView2({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return BlocProvider<UserCubit2>(
      create: (context) => UserCubit2(context, userService: FirebaseUserSerivice()),
      child: BlocConsumer<UserCubit2, UserState2>(
        listener: (context, state) {
          if (state.response != null) {
            // navigate
          }
        },
        builder: (context, state) {
          return Scaffold(
            floatingActionButton: FloatingActionButton(
              onPressed: () {
                context.read<UserCubit2>().updateTitle('hello');
              },
            ),
            appBar: AppBar(title: Text(state.response ?? '')),
            body: ListView.builder(
              itemCount: state.items?.length ?? 0,
              itemBuilder: (BuildContext context, int index) {
                return Text(state.items?[index] ?? '');
              },
            ),
          );
        },
      ),
    );
  }
}


import 'package:flutter/widgets.dart';
import 'package:flutter_bloc/flutter_bloc.dart';

import 'package:cubit_samples/product/duration_utils.dart';
import 'package:cubit_samples/user/service/user_service.dart';

class UserCubit2 extends Cubit<UserState2> {
  UserCubit2(this.context, {required this.userService}) : super(UserState2());
  final BuildContext context;
  final IUser userService;

  Future<void> fetchUserInformation(DurationShareds durationShareds) async {
    emit(state.copyWith(isLoading: true));
    await Future.delayed(Duration(seconds: 1));
    emit(state.copyWith(isLoading: false, items: ['a'], response: 'Basarili'));
  }

  void updateTitle(String value) {
    emit(state.copyWith(response: value));
  }
}

class UserState2 {
  final bool isLoading;
  final String? response;
  final List<String>? items;

  UserState2({this.items, this.isLoading = false, this.response});

  UserState2 copyWith({
    bool? isLoading,
    String? response,
    List<String>? items,
  }) {
    return UserState2(
      isLoading: isLoading ?? this.isLoading,
      response: response ?? this.response,
      items: items ?? this.items,
    );
  }
}