flutter-provider Questions

10

The Provider package makes use of InheritedWidget. This is a problem when I want to access a provider when I'm in a Dialog. If I load a dialog using showDialog(... builder: (context) => MyDia...
Haviland asked 17/9, 2019 at 6:24

2

When we use BlocProvider.of<OrderBloc>(context) to access Bloc object, it returns an exception if no OrderBloc exists on ancestor widgets of current context. Returned exceptions as follows: N...
Retiring asked 30/4, 2021 at 11:2

4

Solved

I am currently having an issue while fetching a Provider' value ininitstate`. I want to set a default value in dropdown in an Appbar and other parts in body. But I got an error saying dependOnInh...
Anastasia asked 23/2, 2020 at 15:17

2

Solved

I'm trying to access a provider method in the dispose function. @override void dispose() { if (canRemoveData) Provider.of<MyProvider>(context, listen: false).clearData(); super.dispose(); }...
Instructions asked 24/11, 2020 at 6:42

1

Solved

I have a Stateless-Provider widget along with its ChangeNotifier-model. Inside the Provider, there is a Stateful widget. When notifyListeners is called, all widgets in the stateless widget get upda...
Wilderness asked 10/7, 2022 at 10:31

1

Solved

What I wanted to achieve, was to retrieve a document from firestore, and provide it down the widget tree, and be able to make changes on the data of the document itself. show something like "...

1

Solved

I have a very big, complex app with lots of pages with input forms with lots of fields (texts, date-selection, combo-boxes,...), so the state is rather big. I'm switching from Provider to Riverpod,...
Ity asked 3/6, 2022 at 12:48

3

In my flutter app , when I try to hot reload or hot restart , after process complete , the reloaded screen shows for a second and then went whole white only the Debug banner in top right side showi...
Marrilee asked 20/1, 2022 at 17:43

4

I have a provider that is listening for changes to a playerList class: import 'package:flutter/material.dart'; import 'package:scam_artist/constants/PlayerColors.dart'; import 'package:scam_artist...
Fumy asked 31/5, 2020 at 20:8

2

What I want I have a simple model. The model extends from ChangeNotifier. If the ChangeNotifier calls notifyListeners() I want to "do" something like showing a SnackBar or Dialog. I provide the mo...
Pastel asked 18/12, 2019 at 21:42

3

This screen is a Drawer screen which take the auth bloc in order to provide user the info and enable him of logout. I got this error although I am using the correct provider The following Provid...
Clotho asked 1/5, 2019 at 10:49

2

Solved

I'm starting to use riverpod and I'm trying to migrate my existing code which was using provider. With provider, the Providers were scoped in the widget tree. Only the children of the Provider widg...
Evolutionist asked 18/2, 2022 at 1:41

3

I am using the authStateChanges stream from Firebase with flutter. I have two views, one for mobile and the another one for a web application. I want to redirect the user to the SignIn screen if he...

4

Well, I am sort of new to Flutter, My question is why we use providers in Flutter, I know it is used for state management. But I am looking to know the most common use case of providers.
Kingsbury asked 1/10, 2019 at 13:9

3

Solved

Am I wrong or if we just want to pass a value down the Widget tree, Provider is just an InheritedWidget with a dispose method?
Outcome asked 23/7, 2019 at 6:22

3

The UI of my app is not updating when I know for a fact the state is changing. I am using the watch method from Riverpod to handle this, but the changes don't take effect unless I do a hot reload. ...
Edmundedmunda asked 28/12, 2020 at 16:57

2

I am currently making the Udacity Sunshine project in Flutter. I have two different provider to fetch current temperature and daily forecasts. I want to combine the two providers and make a new sin...
Bashemath asked 11/11, 2021 at 14:12

2

Solved

I am building a productivity app using Flutter, Provider, and Firebase. I currently have a number of streams where I take a collection from Firestore and turn them into lists of models. I am runnin...
Volteface asked 29/3, 2021 at 15:48

1

I'm able to successfully animate an AnimatedList's contents in Flutter when the list data is stored in the same component that owns the list widget (i.e., there's no rebuild happening when there's ...
Hughes asked 24/9, 2021 at 8:1

1

I'm writing my first Flutter app and struggling with the variety of state management solutions. I decided to start with Provider, but I'm thinking about switching over to BLoC. So far most of the e...
Dowden asked 22/9, 2021 at 3:42

1

I want to override my StateNotifierProvider state manually for testing. Overriding providers can be done using ProviderContainer or ProviderScope. But it only gives the option to override the notif...
Naominaor asked 28/8, 2021 at 12:49

2

I want to use the provider package(4.0) in my flutter project but i get the "Tried to use Provider with a subtype of Listenable/Stream" error/warning. My constelation: I have an Api() class which...
Specialism asked 28/12, 2019 at 17:34

3

Solved

// Are these the same? final model = Provider.of<Model>(context, listen: false); final model = context.read<Model>(); // Are these the same? final model = Provider.of<Model>(co...
Ulric asked 8/6, 2020 at 7:30

4

Solved

I want to complete get request to server to get data for my app at it start. I read several topics that describe how to run method after building widgets. But all of them are describe situations wh...
Mcmullin asked 2/8, 2019 at 7:43

5

In our system we used Pusher on both of our Admin Panel and mobile application, in flutter i want to wrap whole application screens with Pusher and Riverpod and using providers with Hook widget in ...
Iconoclasm asked 17/7, 2021 at 8:4

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