mirror of
https://github.com/flutter/flutter
synced 2024-10-13 11:42:54 +00:00
1a9d635f64
Remove flutter create --with-driver-test . Fixes #64095
172 lines
5.8 KiB
Cheetah
172 lines
5.8 KiB
Cheetah
import 'package:flutter/material.dart';
|
|
{{#withPluginHook}}
|
|
import 'dart:async';
|
|
|
|
import 'package:flutter/services.dart';
|
|
import 'package:{{pluginProjectName}}/{{pluginProjectName}}.dart';
|
|
{{/withPluginHook}}
|
|
|
|
void main() {
|
|
runApp(MyApp());
|
|
}
|
|
|
|
{{^withPluginHook}}
|
|
class MyApp extends StatelessWidget {
|
|
// This widget is the root of your application.
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return MaterialApp(
|
|
title: 'Flutter Demo',
|
|
theme: ThemeData(
|
|
// This is the theme of your application.
|
|
//
|
|
// Try running your application with "flutter run". You'll see the
|
|
// application has a blue toolbar. Then, without quitting the app, try
|
|
// changing the primarySwatch below to Colors.green and then invoke
|
|
// "hot reload" (press "r" in the console where you ran "flutter run",
|
|
// or simply save your changes to "hot reload" in a Flutter IDE).
|
|
// Notice that the counter didn't reset back to zero; the application
|
|
// is not restarted.
|
|
primarySwatch: Colors.blue,
|
|
),
|
|
home: MyHomePage(title: 'Flutter Demo Home Page'),
|
|
);
|
|
}
|
|
}
|
|
|
|
class MyHomePage extends StatefulWidget {
|
|
MyHomePage({Key key, this.title}) : super(key: key);
|
|
|
|
// This widget is the home page of your application. It is stateful, meaning
|
|
// that it has a State object (defined below) that contains fields that affect
|
|
// how it looks.
|
|
|
|
// This class is the configuration for the state. It holds the values (in this
|
|
// case the title) provided by the parent (in this case the App widget) and
|
|
// used by the build method of the State. Fields in a Widget subclass are
|
|
// always marked "final".
|
|
|
|
final String title;
|
|
|
|
@override
|
|
_MyHomePageState createState() => _MyHomePageState();
|
|
}
|
|
|
|
class _MyHomePageState extends State<MyHomePage> {
|
|
int _counter = 0;
|
|
|
|
void _incrementCounter() {
|
|
setState(() {
|
|
// This call to setState tells the Flutter framework that something has
|
|
// changed in this State, which causes it to rerun the build method below
|
|
// so that the display can reflect the updated values. If we changed
|
|
// _counter without calling setState(), then the build method would not be
|
|
// called again, and so nothing would appear to happen.
|
|
_counter++;
|
|
});
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
// This method is rerun every time setState is called, for instance as done
|
|
// by the _incrementCounter method above.
|
|
//
|
|
// The Flutter framework has been optimized to make rerunning build methods
|
|
// fast, so that you can just rebuild anything that needs updating rather
|
|
// than having to individually change instances of widgets.
|
|
return Scaffold(
|
|
appBar: AppBar(
|
|
// Here we take the value from the MyHomePage object that was created by
|
|
// the App.build method, and use it to set our appbar title.
|
|
title: Text(widget.title),
|
|
),
|
|
body: Center(
|
|
// Center is a layout widget. It takes a single child and positions it
|
|
// in the middle of the parent.
|
|
child: Column(
|
|
// Column is also a layout widget. It takes a list of children and
|
|
// arranges them vertically. By default, it sizes itself to fit its
|
|
// children horizontally, and tries to be as tall as its parent.
|
|
//
|
|
// Invoke "debug painting" (press "p" in the console, choose the
|
|
// "Toggle Debug Paint" action from the Flutter Inspector in Android
|
|
// Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
|
|
// to see the wireframe for each widget.
|
|
//
|
|
// Column has various properties to control how it sizes itself and
|
|
// how it positions its children. Here we use mainAxisAlignment to
|
|
// center the children vertically; the main axis here is the vertical
|
|
// axis because Columns are vertical (the cross axis would be
|
|
// horizontal).
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: <Widget>[
|
|
Text(
|
|
'You have pushed the button this many times:',
|
|
),
|
|
Text(
|
|
'$_counter',
|
|
style: Theme.of(context).textTheme.headline4,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
floatingActionButton: FloatingActionButton(
|
|
onPressed: _incrementCounter,
|
|
tooltip: 'Increment',
|
|
child: Icon(Icons.add),
|
|
), // This trailing comma makes auto-formatting nicer for build methods.
|
|
);
|
|
}
|
|
}
|
|
{{/withPluginHook}}
|
|
{{#withPluginHook}}
|
|
class MyApp extends StatefulWidget {
|
|
@override
|
|
_MyAppState createState() => _MyAppState();
|
|
}
|
|
|
|
class _MyAppState extends State<MyApp> {
|
|
String _platformVersion = 'Unknown';
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
initPlatformState();
|
|
}
|
|
|
|
// Platform messages are asynchronous, so we initialize in an async method.
|
|
Future<void> initPlatformState() async {
|
|
String platformVersion;
|
|
// Platform messages may fail, so we use a try/catch PlatformException.
|
|
try {
|
|
platformVersion = await {{pluginDartClass}}.platformVersion;
|
|
} on PlatformException {
|
|
platformVersion = 'Failed to get platform version.';
|
|
}
|
|
|
|
// If the widget was removed from the tree while the asynchronous platform
|
|
// message was in flight, we want to discard the reply rather than calling
|
|
// setState to update our non-existent appearance.
|
|
if (!mounted) return;
|
|
|
|
setState(() {
|
|
_platformVersion = platformVersion;
|
|
});
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return MaterialApp(
|
|
home: Scaffold(
|
|
appBar: AppBar(
|
|
title: const Text('Plugin example app'),
|
|
),
|
|
body: Center(
|
|
child: Text('Running on: $_platformVersion\n'),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
{{/withPluginHook}}
|