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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), ]); } }
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