Even after setting the state of Riverpod stateNotifierProvider, the state is null when used in the widget. I have this provider final imageNotifierProvider = StateNotifierProvider.autoDispose<ImageNotifier, FilePickerResult?>( (ref) => ImageNotifier()); class ImageNotifier extends StateNotifier<FilePickerResult?> { ImageNotifier() : super(null); void addImage(FilePickerResult result)…
I am building a web app using react (nextjs). It is a quiz app that asks users questions and gives them a score if they are correct. Currently, I am fetching all my questions from my database and storing them…
I am using the following code to create a simple multi-steps question-answer form, but it seems forms can not hold their values and when I go to the second form and come back, the textFormField values are gone. "Create.dart": class…
I have the following code that tries to create a multi steps forms : import 'package:flutter/foundation.dart'; class UserModal extends ChangeNotifier { String? name; String? email; String? password; String? education; int activeIndex = 0; int totalIndex = 2; changeStep(int index) {…
What I am trying to do is showing a Dialog that consists of a Form within it to the user, then user fills out the 2 TextFormFields and clicks on the Next ElevatedButton. Then another similar Dialog/form will be appear…
I am using GetX. When I go from EventScreen to HomeScreen -> Everything works...then going back to EventScreen and back to HomeScreen(using Drawer menu from left)...the second time I go back to the HomeScreen this error occurs: [GETX] Instance "EventsScreenController"…
I'm making an app for study and it's the first time I use SliverAppBar and SliverList. Inside the SliverAppBar Flexible I put two buttons and when I scroll on the screen, the buttons flatten along with the SliverAppBar but the…
I am working on NamedRoute but after all the connections and doing It right , I am unable to figure out why this error is occurring . I tried using Navigator.of(Context).push(MaterialPageRoute()) , its working but Its not workking when i…
How can I listen to stream and emit state with Cubit? With Bloc we can do something like this: on<VideoStreamPlayPauseEvent>( (event, emit) async { if (event.play) { await emit.forEach( videoStreamingRepo.videoDataStream, onData: (VideoData videoStreamData) => VideoStreamState( currentFrame: videoStreamData, isPlaying: true, ),…
I have two widgets JobsHeaderWidget JobsView JobsHeaderWidget is a stateful widget where i code all the logic and initialise int current = 0; in the state. In this same file, i have another class named CategoriesBuilder where i use switch…