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samples/platform_view_swift/lib/main.dart

97 lines
2.6 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(const PlatformView());
}
class PlatformView extends StatelessWidget {
const PlatformView({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Platform View',
theme: ThemeData(
primarySwatch: Colors.grey,
),
home: const HomePage(),
);
}
}
class HomePage extends StatefulWidget {
const HomePage({super.key});
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
static const MethodChannel _methodChannel =
MethodChannel('dev.flutter.sample/platform_view_swift');
int _counter = 0;
Future<void> _launchPlatformCount() async {
final platformCounter =
await _methodChannel.invokeMethod<int>('switchView', _counter);
setState(() => _counter = platformCounter ?? 0);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Home page'),
),
body: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
'Button tapped $_counter time${_counter == 1 ? '' : 's'}.',
style: Theme.of(context).textTheme.subtitle2,
),
const SizedBox(height: 18),
ElevatedButton(
onPressed: _launchPlatformCount,
child: const Text('Continue in iOS view'),
),
],
),
),
),
Container(
padding: const EdgeInsets.only(bottom: 15, left: 5),
child: Row(
children: [
const FlutterLogo(),
Text(
'Flutter',
style: Theme.of(context).textTheme.headline5,
),
],
),
),
],
),
floatingActionButton: FloatingActionButton(
onPressed: () => setState(() => _counter++),
tooltip: 'Increment',
child: const Icon(Icons.add),
),
);
}
}