Flutter inteview You’re making a shopping app called RubberBaby, which sells dolls. Unfortunately, you’ve run into a problem on the order page. If a customer makes one order for blue dolls and another order for red dolls but then tries to delete the blue doll order, the red doll order is wrong.

inteview

class OrderPage extends StatefulWidget {
  @override
  _OrderPageState createState() => _OrderPageState();
}

class _OrderPageState extends State<OrderPage> {
  bool isShowing = true;
  @override
  Widget build(BuildContext context) {
    return Column(children: [
      RaisedButton(
        child: (Text('Delete blue')),
        onPressed: () {
          setState(() {
            isShowing = false;
          });
        },
      ),
      if (isShowing) CounterButton(color: Colors.blue),
      CounterButton(color: Colors.red),
    ]);
  }
}


class CounterButton extends StatelessWidget {
  final Color color;

  const CounterButton({Key? key, required this.color}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    Size size = MediaQuery.of(context).size;
    return Padding(
      padding: const EdgeInsets.all(24.0),
      child: Container(
        width: size.width,
        height: 55,
        color: color,
        child: (Text('0')),
      ),
    );
  }
}