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samples/platform_view_swift/lib/main.dart

104 lines
3.0 KiB

// Copyright 2018, the Flutter project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
void main() {
runApp(new PlatformView());
}
class PlatformView extends StatelessWidget {
@override
Widget build(BuildContext context) {
return new MaterialApp(
title: 'Platform View',
theme: new ThemeData(
primarySwatch: Colors.grey,
),
home: const MyHomePage(title: 'Platform View'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => new _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
static const MethodChannel _methodChannel =
const MethodChannel('samples.flutter.io/platform_view_swift');
int _counter = 0;
void _incrementCounter() {
setState(() {
_counter++;
});
}
Future<Null> _launchPlatformCount() async {
final int platformCounter =
await _methodChannel.invokeMethod('switchView', _counter);
setState(() {
_counter = platformCounter;
});
}
@override
Widget build(BuildContext context) => new Scaffold(
appBar: new AppBar(
title: new Text(widget.title),
),
body: new Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
new Expanded(
child: new Center(
child: new Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
new Text(
'Button tapped $_counter time${ _counter == 1 ? '' : 's' }.',
style: const TextStyle(fontSize: 17.0),
),
new Padding(
padding: const EdgeInsets.all(18.0),
child: new RaisedButton(
child: const Text('Continue in iOS view'),
onPressed: _launchPlatformCount),
),
],
),
),
),
new Container(
padding: const EdgeInsets.only(bottom: 15.0, left: 5.0),
child: new Row(
children: <Widget>[
new Image.asset('assets/flutter-mark-square-64.png',
scale: 1.5),
const Text(
'Flutter',
style: const TextStyle(fontSize: 30.0),
),
],
),
),
],
),
floatingActionButton: new FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: const Icon(Icons.add),
),
);
}