So I want to write a BlocListener inside initState(), which functions to provide logic on whether a code should be executed or not based on the current state, like this: @override void initState() { super.initState(); BlocListener<InternetCubit, InternetState>( listener: (context, stateInt)…
Im using StreamController to track the progress of uploading an image using Dio, so when i sink a value in my stream i trigger an event to emit new state to rebuild my widget, the problem is it does not…
I have created a BLoC (8.0.0) in Flutter that handles events in the UI. I have a ToggleButtons widget where the user toggles between three buttons and whichever one is currently selected, returns a list of entities from the database…
======== Exception caught by widgets library ======================================================= The following LateError was thrown building KeyedSubtree-[GlobalKey#74540]: LateInitializationError: Field '_persondb' has not been initialized. The relevant error-causing widget was: Scaffold Scaffold:file:///C:/Users/Prive/StudioProjects/tanja/lib/person/screens/personsScreen/personsSreen.dart:18:16 When the exception was thrown, this was the stack: C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/internal/js_dev_runtime/private/ddc_runtime/errors.dart 266:49 throw…
await emit.onEach( // This stream, how do you handle when this stream is done? stream, onData: (data){ } ); Normally on Flutter Stream we have a callback onDone, but on emit onEach or forEach flutter bloc callback, onDone do not…
i am using bloc to add and remove from am list.. my bloc state is like this, @freezed class InterestActionState with _$InterestActionState { factory InterestActionState({ required bool isSubmitting, required List<String> selectedInterest, required Option<Either<InterestFailure, Unit>> intrestFailureOrSuccessOption, }) = Initial; factory InterestActionState.initial()…
In my Flutter project I want to initialise BLoC (Provider/Cubit) once API responds with definition of shape of the state required for entire app. Consider following shapes shape-1 { arr1: [], arr2: [], selected: false } shape-2 { arr1: [],…
I have to build a single page that consists of let's say a switch and a button. The user can continue to the next screen only if he has turned on the switch, then the user can press the button…
I've developed a search screen using bloc patter to filter local list data. Here my problem is every-time I search filter the list the search box too get reloaded due to event change. Any solutions to fix such issue. @override…
I'm providing bloc at top of all view to access at globally. When I'm doing logout and re-login without closing app, event not called because it is already initiate. Here, I want to refresh bloc on logout, so that FetchList…