/// Created with Android Studio. /// User: 三帆 /// Date: 27/12/2018 /// Time: 14:40 /// email: sanfan.hx@alibaba-inc.com /// target: xxx import 'package:flutter/material.dart'; class SliderThemeDemo extends StatefulWidget { _SliderThemeDemo createState() => _SliderThemeDemo(); } class _SliderThemeDemo extends State { double value = 0.0; Widget build(BuildContext context) { return Container( child: SliderTheme( data: SliderTheme.of(context).copyWith( // activeTickMarkColor:Colors.yellowAccent, activeTrackColor: Colors.yellowAccent,//实际进度的颜色 // inactiveTickMarkColor:Colors.black thumbColor: Colors.black,//滑块中心的颜色 inactiveTrackColor:Colors.red,//默 认进度条的颜色 valueIndicatorColor: Colors.blue,//提示进度的气派的背景色 valueIndicatorTextStyle: TextStyle(//提示气泡里面文字的样式 color: Colors.white, ), inactiveTickMarkColor:Colors.blue,//divisions对进度线分割后 断续线中间间隔的颜色 overlayColor: Colors.pink,//滑块边缘颜色 ), child: Container( width: 340.0, margin: EdgeInsets.fromLTRB(0.0, 50.0, 0.0, 0.0), child: Row( children: [ Text('0.0'), Expanded( flex: 1, child: Slider( value: value, label: '$value', divisions: 10, onChanged: (double){ setState(() { value=double.floorToDouble();//转化成double }); }, min: 0.0, max: 100.0, ), ), Text('100.0'), ], ), ), ), ); } }