when to use stateless and stateful components flutter code example
Example 1: 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));
}
}
Example 2: make stateful widget flutter
class MyClass extends StatefulWidget {
@override
MyClassState createState() => new MyClassState();
}
class MyClassState extends State<MyClass> {
//Widgets and other code here
}
Example 3: stateless widget flutter
class GreenFrog extends StatelessWidget {
const GreenFrog({ Key key }) : super(key: key);
@override
Widget build(BuildContext context) {
return Container(color: const Color(0xFF2DBD3A));
}
}