import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
void main() {
runApp(_Homestart());
}
class _Homestart extends StatelessWidget {
@override Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: Scaffold(
backgroundColor: Colors.lightBlue,
body: Center(
child: Stack(
alignment:
Alignment.center,
children: <Widget>[
Positioned(
child: Container(
width: 200,
height: 100,
decoration: BoxDecoration(
color: Colors.tealAccent,
borderRadius: BorderRadius.circular(30)),
),
),
_Counter(),
],
),
),
));
}
}
class _Counter extends StatefulWidget {
@override State<StatefulWidget> createState() {
// TODO: implement createState
return _CounterState();
}
}
class _CounterState extends State<_Counter> {
int i = 0;
@override Widget build(BuildContext context) {
return Row(
mainAxisAlignment:
MainAxisAlignment.center,
children: <Widget>[
IconButton(
icon: Icon(Icons.remove),
iconSize: 50,
onPressed: () {
setState(() {
i--;
});
},
),
Text(
i.toString(),
style: TextStyle(fontSize: 50),
),
IconButton(
icon: Icon(Icons.add),
iconSize: 50,
onPressed: () {
setState(() {
i++;
});
},
)
],
);
}
}
как сделать setstate в text?