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// Copyright 2017 The Chromium 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/cupertino.dart';
import '../../gallery/demo.dart';
class CupertinoSwitchDemo extends StatefulWidget {
static const String routeName = '/cupertino/switch';
@override
_CupertinoSwitchDemoState createState() => _CupertinoSwitchDemoState();
}
class _CupertinoSwitchDemoState extends State<CupertinoSwitchDemo> {
bool _switchValue = false;
@override
Widget build(BuildContext context) {
return CupertinoPageScaffold(
navigationBar: CupertinoNavigationBar(
middle: const Text('Switch'),
// We're specifying a back label here because the previous page is a
// Material page. CupertinoPageRoutes could auto-populate these back
// labels.
previousPageTitle: 'Cupertino',
trailing: CupertinoDemoDocumentationButton(CupertinoSwitchDemo.routeName),
),
child: DefaultTextStyle(
style: CupertinoTheme.of(context).textTheme.textStyle,
child: SafeArea(
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: <Widget>[
Semantics(
container: true,
child: Column(
children: <Widget>[
CupertinoSwitch(
value: _switchValue,
onChanged: (bool value) {
setState(() {
_switchValue = value;
});
},
),
Text(
"Enabled - ${_switchValue ? "On" : "Off"}"
),
],
),
),
Semantics(
container: true,
child: Column(
children: const <Widget>[
CupertinoSwitch(
value: true,
onChanged: null,
),
Text(
'Disabled - On'
),
],
),
),
Semantics(
container: true,
child: Column(
children: const <Widget>[
CupertinoSwitch(
value: false,
onChanged: null,
),
Text(
'Disabled - Off'
),
],
),
),
],
),
),
),
),
);
}
}