Questions tagged [flutter-change-notifier-provider]
21 questions
0
votes
1 answer
Flutter - ChangeNotifierProvider crash when ListView items are cleared - setstate or markneedsbuild() called during build
I am trying to build my own custom pull to refresh indicator for ListView.
I am using a ChangeNotifier whose offset variable gets updated by the ListView's scroll controller. My custom refresh indicator uses a Consumer to update its UI and also if…
sudoExclaimationExclaimation
- 7,992
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0
votes
1 answer
How use ChangeNotifier and Consumer in custom flutter app bar?
I'm using MultiProvider in my home page on flutter app and work done.
But I have a custom App bar which contain a ChangeNotifierProvider with a consumer and not working. AppBar widget are not notify when notifyListener() function called.
home…
Dev Loots
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1 answer
Problem pulling data from GetIt to stream builder
Error text:
Null check operator used on a null value The relevant error-causing
widget was StreamBuilder
-
ChangeNotifierProvider(
create: (context) => getIt
Hüseyin APA
- 1
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0
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3 answers
'Change Notifier Provider' isn't a function error message
I am building a spelling app. This is the code that's giving me an error. I don't know what I'm doing wrong.
void main() {
runApp(ChangeNotifierProvider(create: (_) => Controller(), child: MyApp()));
}
The error message…
Perpetually Curious
- 25
- 4
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Multiple notifyListeners in flutter ChangeNotifier trigger only one build in widget
I have Flutter app with simple Provider and Consumer flow class SomeProvider with ChangeNotifier. My SubscriptionProvider has next methods:
methodA() async {
isLoading = true;
data = {};
notifyListeners();
await…
0
votes
1 answer
My Counter made with ChangeNotifier Provider replicates its value with other Counter Instances
I am creating a counter for a shopping cart. The problem is when the value of one counter changes, it affects all the other counters on the screen. I used ChangeNotifier and I have no idea what I am doing wrong.
This is the Counter Model
import…
thearach
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