Questions tagged [flutter-change-notifier]

189 questions
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Flutter - MultiProvider (ChangeNotifierProvider) doesn't work

ChangeNotifierProvider doesn't work! I don't know what is the problem. Could anyone tell me what's wrong with this code? Thank you I want to pass the test value to the next page. Here is the main function and the providers void main()…
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How to implement Change Notifier along with moor?

I am trying to make an app having a database it has a table Students class Students extends Table{ IntColumn get RollNumber=>integer().autoIncrement()(); TextColumn get Name => text().withLength(min: 3,max:32)(); Students( String name){ …
Ashu
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notifyListeners() Not Updating UL at the same Time

I'm new developer on flutter and i blinding app using flutter So I'm using Provider packet and i need change widget UL when Bluetooth state was change i made the code that doing this but in my code the widget UL change after run app the second time…
mohmmed ali
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Use of Double dot (..) operator / cascading in ChangeNotifierProvider

ChangeNotifierProvider( builder: (context) => AppStateModel()..loadBrands(), child: MyTestApp(), ) Why we have to call like this AppStateModel()..loadBrands(), how is cascading helping us here?
Ankit
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Flutter Provider

Trying to update this for the new provider - changed the first builder to create, but it give a no return error. Thank you class HomePage extends StatelessWidget { @override Widget build(BuildContext context) { return…
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Function in ChangeNotifier Class Not Called

I have a Flutter App with Provider as a State Manager. The ChangeNotifierProvier is at the very top of my app (ie. above MaterialApp widget). I have a ChangeNotifier class as follows: class AmountManager extends ChangeNotifier { String amount; …
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How to call changeNotifier in the main.dart that already have one before in flutter?

I used a provider to display data from firestore in one page and in turn I passed the data to second page and I called the changenotifier in main.dart . But whenever I am trying to navigate to second page it will show me this error : "I/flutter (…
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how to route to another page without using navigator

I am using MSAL to authenticate users, with a ChangeNotifierProvider. I am trying to navigate to another page from the MSAL login but Navigator.push needs to be used in a widget. How do i navigate to another page without using Navigator.push? Or is…
Wei Xiong
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