Is it ok to return a value from a Cubit state function or is it better to emit a state and use BlocListener? Future<Game?> addGame(List<String> players, int numOfRounds) async { try { Game game = await repository.addGame(DateTime.now(), players, numOfRounds); return…
I created a basic project to learn Flutter better. In bnb.dart file if I use: context.read<AppBottomNavigationBarState>().selectedIndex to change the currentIndex field of the BottomNavigationBar. The application throws: The following ProviderNotFoundException was thrown building BlocBuilder<AppBottomNavigationBarCubit, AppBottomNavigationBarState> But if I change that…
I have following code: class BidBloc extends Bloc<BidEvent, BidState> { final FirestoreRepository firestoreRepository; BidBloc({required this.firestoreRepository}) : super(BidsLoadingState()) { on<LoadAllBidsEvent>((event, emit) async { emit(BidsLoadingState()); Item item = event.item; Future getBids() async { List<Bid> bids = []; item.bids?.forEach((element) async { Bid? bid…
I am practicing with flick_bloc and I wonder when to use BlocBuilder, when to use BlocListener and when to use BlocConsumer. I asked a few people, they said that BlocBuilder is used the most and I also started and just…
I have this code: MultiBlocProvider( providers: [ BlocProvider( create: (context) => CubitExample(), ), ], child: MaterialApp( home: Home(), ), ); It's working fine, I have many cubits/blocs so I decided to move the providers list to a separate class: MultiBlocProvider(…
I have a function called pickDateRange and, for some reason, dateRangePicker does not update its value in widget after setState. I would like to know how to solve it. When I print the value of dateRangePicker from function body it…
image description here I want to change the state of cubit after 4 seconds when i click the button but it gives error : **BlocProvider.of() called with a context that does not contain a TestCubit. ======== Exception caught by gesture…
I'm using GroupedListView (which is based on ListView.builder) to implement a chat. I have a ChatBloc bloc that is responsible to handle new messages from the DataLayer. Whenever new messages are added, I'm emitting a new state of elements, and…
I'm trying to trigger an update when a list in my map changes. Type is Map<String, List<int>>. Basically one of the integers is changing in the list but not triggering the blocbuilder. Although when I print the state the value…