69 lines
1.5 KiB
Dart
69 lines
1.5 KiB
Dart
|
import 'package:flutter/material.dart';
|
||
|
|
|
||
|
|
void main() {
|
||
|
|
runApp(const MyApp());
|
||
|
|
}
|
||
|
|
|
||
|
|
class MyApp extends StatelessWidget {
|
||
|
|
const MyApp({super.key});
|
||
|
|
|
||
|
|
// This widget is the root of your application.+
|
||
|
|
@override
|
||
|
|
Widget build(BuildContext context) {
|
||
|
|
return MaterialApp(
|
||
|
|
title: 'Flutter Demo',
|
||
|
|
theme: ThemeData(
|
||
|
|
primarySwatch: Colors.blue,
|
||
|
|
),
|
||
|
|
home: const MyHomePage(title: 'Flutter Demo Home Page'),
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class MyHomePage extends StatefulWidget {
|
||
|
|
const MyHomePage({super.key, required this.title});
|
||
|
|
final String title;
|
||
|
|
|
||
|
|
@override
|
||
|
|
State<MyHomePage> createState() => _MyHomePageState();
|
||
|
|
}
|
||
|
|
|
||
|
|
class _MyHomePageState extends State<MyHomePage> {
|
||
|
|
int _counter = 0;
|
||
|
|
|
||
|
|
void _incrementCounter() {
|
||
|
|
setState(() {
|
||
|
|
_counter++;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
@override
|
||
|
|
Widget build(BuildContext context) {
|
||
|
|
return Scaffold(
|
||
|
|
appBar: AppBar(
|
||
|
|
title: Text(widget.title),
|
||
|
|
),
|
||
|
|
body: Center(
|
||
|
|
|
||
|
|
child: Column(
|
||
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
||
|
|
children: <Widget>[
|
||
|
|
const Text(
|
||
|
|
'You have pushed the button this many times:',
|
||
|
|
),
|
||
|
|
Text(
|
||
|
|
'$_counter',
|
||
|
|
style: Theme.of(context).textTheme.headline4,
|
||
|
|
),
|
||
|
|
],
|
||
|
|
),
|
||
|
|
),
|
||
|
|
floatingActionButton: FloatingActionButton(
|
||
|
|
onPressed: _incrementCounter,
|
||
|
|
tooltip: 'Increment',
|
||
|
|
child: const Icon(Icons.add),
|
||
|
|
), // This trailing comma makes auto-formatting nicer for build methods.
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|