mirror of
https://github.com/flutter/flutter.git
synced 2025-06-03 00:51:18 +00:00
72 lines
1.8 KiB
Dart
72 lines
1.8 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
import 'package:flutter/material.dart';
|
|
|
|
void main() => runApp(const MyApp(Colors.blue));
|
|
|
|
@pragma('vm:entry-point')
|
|
void topMain() => runApp(const MyApp(Colors.green));
|
|
|
|
@pragma('vm:entry-point')
|
|
void bottomMain() => runApp(const MyApp(Colors.purple));
|
|
|
|
class MyApp extends StatelessWidget {
|
|
const MyApp(this.color, {Key? key}) : super(key: key);
|
|
|
|
final Color color;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return MaterialApp(
|
|
title: 'Flutter Demo',
|
|
theme: ThemeData(
|
|
primarySwatch: color as MaterialColor,
|
|
),
|
|
home: const MyHomePage(title: 'Flutter Demo Home Page'),
|
|
);
|
|
}
|
|
}
|
|
|
|
class MyHomePage extends StatefulWidget {
|
|
const MyHomePage({Key? key, this.title}) : super(key: key);
|
|
final String? title;
|
|
|
|
@override
|
|
_MyHomePageState createState() => _MyHomePageState();
|
|
}
|
|
|
|
class _MyHomePageState extends State<MyHomePage> {
|
|
@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(
|
|
'0',
|
|
style: Theme.of(context).textTheme.headline4,
|
|
),
|
|
TextButton(
|
|
onPressed: () {},
|
|
child: const Text('Add'),
|
|
),
|
|
TextButton(
|
|
onPressed: () {},
|
|
child: const Text('Next'),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|