Advertisements 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 = await firestoreRepository.getBidByBidId(bidID: element); if (bid != null) { DbUser? dbUser = await firestoreRepository.getDBUserByDBUserId(… Read More Flutter Bloc await for response before continueing

Advertisements It’s my first time using the BLoC pattern in Flutter. I have ran into a problem with providers and context. Here is my main.dart file. import ‘package:flutter/material.dart’; import ‘package:flutter_bloc/flutter_bloc.dart’; import ‘package:my_rescue/modules/screens/homepage/bloc/homepage_bloc.dart’; import ‘package:my_rescue/widgets/drawer.dart’; import ‘package:my_rescue/widgets/text_button.dart’; import ‘package:my_rescue/widgets/weather_forecast.dart’; import ‘package:my_rescue/widgets/app_bar.dart’; class HomePage extends StatefulWidget { const HomePage({super.key}); @override State<HomePage> createState() => _HomePageState(); } class _HomePageState… Read More Flutter: Context in FloatingActionButton cannot find the provider of <Bloc>

Advertisements 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 =============================================================== The following assertion was thrown while handling a gesture: BlocProvider.of() called with a… Read More How to change state of cubit?

Advertisements I got a flutter error A value of type ‘Iterable<HospitalListModel>’ can’t be assigned to a variable of type ‘List<HospitalListModel>’. This is my model: List<HospitalListModel> hospitalListModelFromJson(String str) => List<HospitalListModel>.from(json.decode(str).map((x) => HospitalListModel.fromJson(x))); String hospitalListModelToJson(List<HospitalListModel> data) => json.encode(List<dynamic>.from(data.map((x) => x.toJson()))); class HospitalListModel { HospitalListModel({ this.id, this.title, this.content, this.image, this.phone, this.coordinates, this.website, this.createdAt, this.updatedAt, }); dynamic id; dynamic… Read More A value of type 'Iterable<HospitalListModel>' can't be assigned to a variable of type 'List<HospitalListModel>'

Advertisements This is my BlocProvider portion of code: late BuildContext _context; @override Widget build(BuildContext context) { final _formKey = GlobalKey<FormState>(); return BlocProvider<AccountBloc>( create: (context) { _context = context; return AccountBloc(); }, child: Scaffold( And inside the onPressed I use this.context: BlocProvider.of<AccountBloc>(this._context)..add(AddAccountEvent(account: account)); When I run it the error says: LateInitializationError: Field ‘_context@30149156’ has not been… Read More How to provide context to BlocProvider.of without using BlocBuilder in flutter bloc

Advertisements I’m trying to convert bloc’s simple cubit example to the bloc pattern but getting an …NoSuchMethodError: Class ‘_Emitter<MyObjectState>… error when I press the increment button. I believe my problem is the dynamic type I used for the emit parameter (changing it to MyObjectState results in an error that the expression isn’t a function). What… Read More Convert Default Flutter_bloc 8.0 Counter from Cubit to Bloc