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class MySecondWidget extends StatefulWidget {
MySecondWidget({Key key}) : super(key: key);
@override
_MySecondWidgetState createState() =>
_MySecondWidgetState();
}
class _MySecondWidgetState extends State<MySecondWidget> {
int _clickCount = 0;
void incrementClickCount() {
setState(() {
this._clickCount++;
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("My First App"),
),
body: Container(
padding: EdgeInsets.all(8.0),
child: Text(
"Hello! Times clicked: "
+ this._clickCount.toString(),
style: TextStyle(
color: Colors.green,
fontSize: 20.0),
),
),
floatingActionButton: FloatingActionButton(
child: Icon(Icons.add),
onPressed: this.incrementClickCount,
),
);
}
}
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