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flutter stateful widgte non final field

SeriousMonk answered on November 28, 2020 Popularity 3/10 Helpfulness 1/10

answer flutter stateful widgte non final field

flutter stateful widgte non final field

Comment

class TestButton extends StatefulWidget {
  TestButton({this.passedcolor});
  final Color passedColor;
  @override
  _TestButtonState createState() => _TestButtonState();
}

class _TestButtonState extends State<TestButton> {
  Color color;

  @override
  initState(){
   color = widget.passedColor;
   super.initState()
  }

  @override
  Widget build(BuildContext context) {
    return RaisedButton(
      onPressed: () {
        setState(() {
          color = color == Colors.red ? Colors.blue : Colors.red;
        });
      },
      child: Icon(
        Icons.add,
        size: 80,
      ),
      color: color,
    );
  }
}

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: field final javascript

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