Questions tagged [flutter-hooks]
81 questions
2
votes
1 answer
Flutter Hooks Riverpod not updating widget despite provider being refreshed
I've been studying flutter for a couple of months and I am now experimenting with Hooks and Riverpod which would be very important so some results can be cached by the provider and reused and only really re-fetched when there's an update.
But I hit…
groo
- 4,213
- 6
- 45
- 69
2
votes
1 answer
Riverpode and Hooks in flutter, how to implement the StateNotifier for async calls?
I am new to flutter and recently I decided to look into providers to be able to reuse some sqlite DB calls I have using FutureBuilder as suggested in this other question.
After reading about it I started using riverpod_hooks but I got…
groo
- 4,213
- 6
- 45
- 69
2
votes
1 answer
Pass and update State Value from other function Flutter Hook Widget
I am new to Flutter hooks and I have requirements that I have to use HookWidget instead of StatefulWidget. As I know, useState can only be declared within the build function.
Widget build(BuildContext context) {
final selectedBook =…
Avan CaiJun
- 111
- 1
- 1
- 11
2
votes
1 answer
Using video_player package with Flutter Hooks to play a background fullscreen video
I have a Home Screen Widget, that plays a fullscreen background video using the video_player package.
This code works fine for me:
class HomeScreen extends StatefulWidget {
HomeScreen({Key key}) : super(key: key);
@override
_HomeScreenState…
2
votes
0 answers
Completer Flutter hook causes bad state error
For managing pull-to-refresh indication in Flutter with BLoC I created a custom Completer hook as an alternative to using a Stateful Widget, and in general, it works fine, however with hot-reload I run into Bad state: Future already completed
import…
RemeJuan
- 823
- 9
- 25
1
vote
2 answers
Is there a use for hooks_riverpod
I'm kinda confused as to what exactly the aim is with hooks_riverpod, I've used flutter_riverpod, and I've used flutter_hooks, but what is hooks_riverpod, on the pub.dev main page for hooks_riverpod, it's documentation is just flutter_riverpod…
public static void Main
- 94
- 1
- 8
1
vote
1 answer
Getting error when trying to add WidgetRef parameter to the build method in Flutter
void main() async {
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp(
options: DefaultFirebaseOptions.currentPlatform,
);
runApp(
const ProviderScope(
child: MyApp(),
),
);
}
class MyApp extends…
user1543784
- 271
- 2
- 4
- 19
1
vote
1 answer
Flutter: Update widgettree (with hooks) when variable from class changes
So basically I have a class that handles all my bluetooth connection. Inside this class there are also some variables that I need inside my Widgettree. I need to listen for updates on these variables but that doesn't work out like I want it to.
In…
Colin Schneider
- 11
- 4
1
vote
2 answers
Riverpod with hooks beaks when widget is disposedI
I have Flutter mobile app that is using Riverpod with hooks.
I have the following function that I would like to be called when the widget is disposed:
useEffect(
() {
final firestoreRepo =
…
Aimn Blbol
- 907
- 11
- 20
1
vote
0 answers
How to fetch and keep updated data with flutter_hooks?
I'm studying flutter_hooks library. My aim is to fetch data into model and be able to refresh it any time. Also I'd like to refresh data from different screens. Currently I do it this way:
Page class:
class NewPage extends HookWidget{
@override
…
undefined
- 623
- 7
- 27
1
vote
1 answer
How to update the initialData of "useState" from parent in Flutter Hooks
According to the description of useState in flutter_hooks:
...
/// On the first call, it initializes [ValueNotifier] to [initialData]. [initialData] is ignored
/// on subsequent calls.
...
I want to use useState to change the current widget state.…
yellowgray
- 4,006
- 6
- 28
1
vote
0 answers
How to Call a Graphql Query again for every letter entered in autocomplete widget flutter?
I am able to search in a list using autocomplete widget in flutter and display the options to the user. But actually what I am supposed to do is I have to call graphql query everytime as user enters a letter/alphabet in autocomplete widget. I have…
Cassius
- 353
- 3
- 16
1
vote
0 answers
Does Timer.periodic need to be cancelled on widget unmount?
I'm using flutter hooks, and using the Timer.periodic to do some processing in my widget.
Here's how I'm using it:
final countdownStream = useMemoized(
() => Timer.periodic(
// ...
),
);
Do I need to cancel this or will…
user1354934
- 8,139
- 15
- 50
- 80
1
vote
2 answers
deleting an element always delete the last one in flutter
List storedWishes = [
{
'title': 'Phone',
'description': 'a phone would be nice',
'price': 200.00,
'icon': Icon(Icons.phone)
},
{
'title': 'monitor',
'description': 'need it for a 2…
Louay Ghanney
- 63
- 6
1
vote
1 answer
TextEditingController behaviour in custom text field
I composed a custom text field that check the validator when it lost focus, with some UI such as error text and green checked icon. They are working fine until I need to perform some auto-filling according to other TextField's data.
When user filled…
Mervyn Lee
- 1,957
- 4
- 28
- 54