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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 CupertinoButtonsDemo extends StatefulWidget {
static const String routeName = '/cupertino/buttons';
@override
_CupertinoButtonDemoState createState() => _CupertinoButtonDemoState();
}
class _CupertinoButtonDemoState extends State<CupertinoButtonsDemo> {
int _pressedCount = 0;
@override
Widget build(BuildContext context) {
return CupertinoPageScaffold(
navigationBar: CupertinoNavigationBar(
middle: const Text('Buttons'),
// 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(CupertinoButtonsDemo.routeName),
),
child: DefaultTextStyle(
style: CupertinoTheme.of(context).textTheme.textStyle,
child: SafeArea(
child: Column(
children: <Widget>[
const Padding(
padding: EdgeInsets.all(16.0),
child: Text(
'iOS themed buttons are flat. They can have borders or backgrounds but '
'only when necessary.'
),
),
Expanded(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget> [
Text(_pressedCount > 0
? 'Button pressed $_pressedCount time${_pressedCount == 1 ? "" : "s"}'
: ' '),
const Padding(padding: EdgeInsets.all(12.0)),
Align(
alignment: const Alignment(0.0, -0.2),
child: Row(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
CupertinoButton(
child: const Text('Cupertino Button'),
onPressed: () {
setState(() { _pressedCount += 1; });
},
),
const CupertinoButton(
child: Text('Disabled'),
onPressed: null,
),
],
),
),
const Padding(padding: EdgeInsets.all(12.0)),
CupertinoButton.filled(
child: const Text('With Background'),
onPressed: () {
setState(() { _pressedCount += 1; });
},
),
const Padding(padding: EdgeInsets.all(12.0)),
const CupertinoButton.filled(
child: Text('Disabled'),
onPressed: null,
),
],
),
),
],
),
),
),
);
}
}