I have a cart and I want to assign my cart items to my _items variable inside my Provider. This is my method. I don't know if I should use toJson() or fromJson() methods: This is the variable and the…
I'm using provider to add items to my cart, but when I add items to the cart and print the cart List, it appears as the following Here is my function class CartList extends ChangeNotifier { Map<String, CartModel> _cart =…
Yesterday I posted a question which is not yet solved. Here you have a screenshot from the widget The values 0 / 5 are provider.numMensajesForoEsp16Vistos = 0 provider.numMensajesForoEsp16 = 5 Here you have the code for the widget at bottom…
I get the following error while using Provider in Flutter : The following assertion was thrown while dispatching notifications for CampaignProvider: setState() or markNeedsBuild() called during build. This _InheritedProviderScope<CampaignProvider?> widget cannot be marked as needing to build because the framework…
I want to implement dark/light mode from settings page where a toggle switch is used, everything works good except when I select light mode and restart the app then the app reverts backs to dark mode. What am I doing…
I'm using Provider in Flutter for state management. And I want to display some text in my widget using this Provider. The test is shown but is looks very strange height or padding I don't know. So here is a…
I'm trying to understand how to use shared preferences with a change notifier. I've created a basic app and I want to save a bool and a string from the change notifier using shared preferences. here is my main.dart: import…
I can't figure why my widget ScrollViewStory won't update when CurrentStoryModel.instance changes. Is there a problem with the fact that CurrentStoryModel is a singleton ? Here are the widgets: class Story extends StatelessWidget { @override Widget build(BuildContext _) { return…
I have a page that shows a loading while making my API call, and once the call is done it shows the received data. On debugger everything works correctly, but when I create the apk with 'flutter build apk', and…
I am a newbie in Flutter and I am trying to build an app using Provider. I will try to provide an oversimplified example here. My app includes a model of a room. class Room { String roomDisplayName; String roomIdentifier;…