forked from lxm_flutter/FlutterUnit
49 lines
1.3 KiB
Dart
49 lines
1.3 KiB
Dart
import 'package:flutter/material.dart';
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/// create by 张风捷特烈 on 2020-03-31
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/// contact me by email 1981462002@qq.com
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/// 说明:
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// {
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// "widgetId": 42,
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// "name": 'Slider基本使用',
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// "priority": 1,
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// "subtitle":
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// "【value】 : 数值 【double】\n"
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// "【min】 : 最小值 【double】\n"
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// "【max】 : 最大值 【double】\n"
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// "【activeColor】 : 激活颜色 【Color】\n"
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// "【inactiveColor】 : 非激活颜色 【Color】\n"
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// "【onChanged】 : 改变时回调 【Function(double)】",
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// }
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class CustomSlider extends StatefulWidget {
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const CustomSlider({Key? key}) : super(key: key);
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@override
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_CustomSliderState createState() => _CustomSliderState();
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}
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class _CustomSliderState extends State<CustomSlider> {
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double _value = 0.0;
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@override
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Widget build(BuildContext context) {
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return Column(
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children: <Widget>[
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Text('当前值:${_value.toStringAsFixed(1)}'),
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Slider(
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value: _value,
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min: 0.0,
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max: 360.0,
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activeColor: Colors.orangeAccent,
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inactiveColor: Colors.green.withAlpha(99),
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onChanged: _onChange),
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],
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);
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}
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void _onChange(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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