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317d459a58
* add package:http dependency in dad_jokes * add package:http dependency in filipino_cuisine * don't build package:http demos until flutter/flutter#34858 is resolved * update gallery * update github_dataviz * update particle_background * don't build github_dataviz (uses package:http) * update slide_puzzle * update spinning_square * update timeflow * update vision_challenge * update charts * update dad_jokes * update filipino cuisine * ignore build output * update timeflow and vision_challenge * update slide_puzzle * don't commit build/ directory * move preview.png images to assets * fix path url join * update readme * update web/readme.md
79 lines
2.5 KiB
Dart
79 lines
2.5 KiB
Dart
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/cupertino.dart';
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import '../../gallery/demo.dart';
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class CupertinoSliderDemo extends StatefulWidget {
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static const String routeName = '/cupertino/slider';
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@override
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_CupertinoSliderDemoState createState() => _CupertinoSliderDemoState();
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}
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class _CupertinoSliderDemoState extends State<CupertinoSliderDemo> {
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double _value = 25.0;
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double _discreteValue = 20.0;
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@override
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Widget build(BuildContext context) {
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return CupertinoPageScaffold(
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navigationBar: CupertinoNavigationBar(
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middle: const Text('Sliders'),
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// We're specifying a back label here because the previous page is a
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// Material page. CupertinoPageRoutes could auto-populate these back
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// labels.
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previousPageTitle: 'Cupertino',
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trailing: CupertinoDemoDocumentationButton(CupertinoSliderDemo.routeName),
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),
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child: DefaultTextStyle(
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style: CupertinoTheme.of(context).textTheme.textStyle,
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child: SafeArea(
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child: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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children: <Widget>[
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Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget> [
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CupertinoSlider(
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value: _value,
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min: 0.0,
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max: 100.0,
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onChanged: (double value) {
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setState(() {
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_value = value;
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});
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},
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),
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Text('Cupertino Continuous: ${_value.toStringAsFixed(1)}'),
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],
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),
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Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget> [
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CupertinoSlider(
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value: _discreteValue,
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min: 0.0,
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max: 100.0,
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divisions: 5,
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onChanged: (double value) {
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setState(() {
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_discreteValue = value;
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});
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},
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),
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Text('Cupertino Discrete: $_discreteValue'),
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],
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),
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],
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),
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),
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),
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),
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);
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}
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}
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