échafaudage de flottement
import 'package:flutter/material.dart';
void main() => runApp(const MyApp());
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
static const String _title = 'Flutter Code Sample';
@override
Widget build(BuildContext context) {
return const MaterialApp(
title: _title,
home: MyStatefulWidget(),
);
}
}
class MyStatefulWidget extends StatefulWidget {
const MyStatefulWidget({Key? key}) : super(key: key);
@override
State<MyStatefulWidget> createState() => _MyStatefulWidgetState();
}
class _MyStatefulWidgetState extends State<MyStatefulWidget> {
int _count = 0;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Sample Code'),
),
body: Center(child: Text('You have pressed the button $_count times.')),
backgroundColor: Colors.blueGrey.shade200,
floatingActionButton: FloatingActionButton(
onPressed: () => setState(() => _count++),
tooltip: 'Increment Counter',
child: const Icon(Icons.add),
),
);
}
}
Confused Civet