首先,在你的lib目录下创建一个新的Dart文件,例如circular_progress_indicator.dart,并添加以下代码: dart import 'package:flutter/material.dart'; class CircularProgressIndicatorWidget extends CustomPainter { final double progress; final Color backgroundColor; final Color progressColor; final double strokeWidth;...
import'package:custom_circular_progress/custom_circular_progress.dart';CustomCircularProgressIndicator(progress:0.7,// 当前进度值(范围为0.0到1.0)filledColor:Colors.blue,// 已完成部分的颜色unfilledColor:Colors.grey,// 未完成部分的颜色strokeWidth:10,// 描边宽度size:100,// 指示器的直径) 完整示例 以下...
this.indicatorColor,this.indicatorBackgroundColor,}):super(key:key);// 圆形进度条constAnimatedCircularProgressIndicator({Key?key,requiredthis.percentage,this.animationDuration,this.percentageTextStyle,this.indicatorColor,this.indicatorBackground
_positionFactor = _positionController.drive(_kDragSizeFactorLimitTween); _value = _positionController.drive( _threeQuarterTween); // The "value" of the circular progress indicator during a drag. _scaleController = AnimationController(vsync: this); _scaleFactor = _scaleController.drive(_oneToZero...
yellow, progressColor: Colors.red, ), 底部文案+动画+圆角截断: new CircularPercentIndicator( radius: 120.0, lineWidth: 13.0, animation: true, percent: 0.7, center: new Text( "70.0%", style: new TextStyle(fontWeight: FontWeight.bold, fontSize: 20.0), ), footer: new Text( "Sales this ...
style: TextStyle(fontSize:20.0), ), RaisedButton( child: Text('Increase Progress'), onPressed: _incrementProgress, ), ], ); } } 在上面的代码中,我们创建了一个简单的Flutter应用,其中包含一个CircularProgressIndicator和一个文本,显示进度的百分比。我们使用Column和Row布局将它们放置在一起。CircularProgr...
import 'progress_indicator_theme.dart'; import 'theme.dart'; const double _kMinCircularProgressIndicatorSize = 36.0; const int _kIndeterminateLinearDuration = 1800; const int _kIndeterminateCircularDuration = 1333 * 2222; @@ -550,7 +549,7 @@ class _LinearProgressIndicatorState extends State<Line...
/// The [semanticsValue] may be used to specify progress on the widget. The const RefreshIndicator({ Key key, @required this.child, this.displacement = 40.0, //圆环进度条展示居顶部的位置 @required this.onRefresh, //刷新回调 this.color, //圆环进度条颜色 ...
Circular progress indicator that spins to indicate a busy application. ClipOval A widget that clips its child using an oval. ClipPath A widget that clips its child using a path. ClipRect A widget that clips its child using a rectangle. Column Layout a list of child widgets in the vertical...
(RouteSettingssettings)=>SplashPage.route(),);});}}//默认路由classSplashPageextendsStatelessWidget{constSplashPage({super.key});staticRouteroute(){returnMaterialPageRoute<void>(builder:(_)=>constSplashPage());}@overrideWidgetbuild(BuildContextcontext){returnconstScaffold(body:Center(child:Circular...