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Flutter Stateful Widgets


Stateful widgets are useful when the part of the user interface you are describing can change dynamically. User interfaces need to respond to a variety of things:
The user doing something in the user interface.
Receiving data from another computer.
Time passing.

This is what Stateful Widgets are for. They store data (state) in a associated State class and they can respond when that data (state) changes as the result of the user doing something.

Minimum Code

Here is the minimum code you need for a Stateful Widget:

class EmptyWidget extends StatefulWidget {
EmptyWidget({Key key}) : super(key: key);
@override
_EmptyWidgetState createState() => _EmptyWidgetState();
}
class _EmptyWidgetState extends State<EmptyWidget> {
@override
Widget build(BuildContext context) {
return <Insert Some Widgets Here>;
}
}


Conclusion

In this page (written and validated by ) you learned about Flutter Stateful Widgets . What's Next? If you are interested in completing Flutter tutorial, your next topic will be learning about: Flutter Two Classes.



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