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Tag: flutter-change-notifier

December 22, 2022 Animation

Flutter: Prevent ChangeNotifier's notifyListeners from preventing the animation of the sending button whose state depends on the ChangeNotifier?

Issue My actual app is a lot more complex but I have been able to simplify it down to this example which demonstrates the issue. I have 2 buttons which are supposed to reflect the same data. In this example,

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December 16, 2022 Flutter

Flutter: Prevent ChangeNotifier's notifyListeners from preventing the animation of the sending button whose state depends on the ChangeNotifier?

Issue My actual app is a lot more complex but I have been able to simplify it down to this example which demonstrates the issue. I have 2 buttons which are supposed to reflect the same data. In this example,

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October 27, 2022 Flutter

How to use method from one Change notifier class in another change notifier class provider

Issue I want to use fetchdata() in another provider method and initialise variables. Solution you can use MultiProvider with ChangeNotifierProxyProvider Action Class ( FirstModel ) class FirstModel with ChangeNotifier { List<Strings> _names = ["Sat", "Sat2", "Sat3"]; List<Strings> get names {

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October 26, 2022 Flutter

Is it necessary to use StateNotifier even if there is only one value and no method?

Issue If there is only one value and no method, do we still need to use StateNotifier as follows? Or is there a simpler mechanism? Since this value is rewritten and referenced from the outside, the corresponding function must be

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October 25, 2022 Dart

If another variable in ChangeNotifier is changed, will the Consumer's model be updated?

Issue If the following setIntVal is called and notifyListeners(); is executed, is the Text redrawn? intVal is changed but strVal is not. Similarly, what happens when StateNotifier is used? class DummyManager with ChangeNotifier { DummyManager(); int intVal = 0; String

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October 13, 2022 Flutter

ChangeNotifier changing but widget not updating with gestureDetector

Issue I have this simple changeNotifierProvider here it is import ‘package:flutter/material.dart’; class CreatePetProvider extends ChangeNotifier { String? _gender = ‘Male’; get gender => _gender; set changeGender(String gender){ _gender = gender; // print(this.gender); notifyListeners(); } } here is in main.dart return

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September 26, 2022 Flutter

how to update variable using changeNotifierProxyProvider?

Issue I am trying to update my header when I retry my API upon 401 response I am able to retry but my header is taking the previous value but not updated value following is my changeNotifierProxyProvider ChangeNotifierProxyProvider<Auth, ApiCalls>( create:

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September 18, 2022 Flutter

Transferring a dart setter around in flutter

Issue I am working on creating a signup process with multiple screens. For now I have first name and age screen. I have the following usermodel. The idea is whenever I update one of the field, it triggers rebuild of

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July 20, 2022 Flutter

Flutter ChangeNotifierProxyProvider ChangeNotifier in create needs arguments

Issue I am in the process of programming my app and need to use a ChangeNotifierProxyProvider. Unfortunately my ChangeNotifier (in this case Entries) needs 3 positional arguments. I already managed to specify the arguments in update, but how can I

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July 16, 2022 Flutter

When I change an object's attribute it does not persist in the object somehow, knowing that object is inside a change notifier class?

Issue My project is a quiz game. I have GameController class that extends ChangeNotifier and accessed throughout multiple widgets. in GameController I have a Game type attribute which has a list of teams List\<Player>. class Player { String name; int

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