I have this code. In summary, I am learning Flutter and I created this code just to practice. The goal is to type in a TextField and then press a FloatingActionBotton and onPressed it updates a text widget. I used…
I have a nested data structure like this: User |-List<WorkoutPlan> |-List<Workout> |-List<Exercise> Each list is saved on a different json file: -user.json with the list workout plans’ ids -workoutPlans.json: Each workout plan has a list of workouts’ id -workouts.json For…
I used BloC pattern to create an application. There is a data provider layer that is responsible to request a session code from the remote server. abstract class AppApi{ /// Logins a user to server and return a [Session]. ///…
So I have a Flutter app with Bloc for state mangement. I want to keep a list of users in Bloc so I can access it from different places in the app. But as it is now I pass this…
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()…