Flutter stateful widget

Flutter constructor stateful widget

flutter run --no-sound-null-safety

Flutter stateful widget

class YellowBird extends StatefulWidget {
  const YellowBird({ Key key }) : super(key: key);

  @override
  _YellowBirdState createState() => _YellowBirdState();
}

class _YellowBirdState extends State<YellowBird> {
  @override
  Widget build(BuildContext context) {
    return Container(color: const Color(0xFFFFE306));
  }
}

Source: api.flutter.dev

Similar codes

3 votes204 views1 answer
How to create a small circular dot in FLutter code example
Dart
10 votes211 views2 answers
Flutter alertdialog
Dart
1 vote198 views1 answer
Flutter linear progress indicator height
Dart
0 vote238 views1 answer
Dart The instance member 'user' can't be accessed in an initializer.Try replacing the reference to the instance member with a different expression
Dart
19 votes203 views6 answers
Textfield border radius flutter
Dart
2 votes196 views1 answer
Phone authentication firebase flutter
Dart
11 votes206 views2 answers
Flutter appbar remove debug
Dart
0 vote201 views1 answer
Dart main
Dart
1 vote203 views2 answers
Dart round
Dart
0 vote195 views1 answer
Flutter text direction rtl
Dart