loading_animation_widget_usage.gif 3. 实现 classMyHomePageextendsStatefulWidget{constMyHomePage({super.key,requiredthis.title});finalString title;@overrideState<MyHomePage>createState()=>_MyHomePageState();}class_MyHomePageStateextendsState<MyHomePage>{finalColor color=Colors.green;finaldouble size=50;@...
class RefreshWidgetState extends State<RefreshWidget> with TickerProviderStateMixin<RefreshWidget> { late AnimationController _positionController; late AnimationController _scaleController; late Animation<double> _positionFactor; late Animation<double> _scaleFactor; late Animation<double> _value; late Animation...
backgroundColor: Colors.grey, //圆圈的背景 ); break; case AnimationType.refresh: progressIndicator = RefreshProgressIndicator( valueColor: AlwaysStoppedAnimation<Color>(Colors.white), //线的颜色 backgroundColor: Colors.grey, //圆圈的背景色 ); break; default: } if (isShow) { Widget progressView...
根据需求创建一个自定义的Widget import 'package:flutter/material.dart';enum AnimationType { ///圆圈模式 ...
在Flutter中,Loading动画是一种常用的用户界面元素,用于在应用程序加载数据或执行耗时操作时提供视觉反馈。下面,我将根据您的要求,分点介绍Flutter Loading动画的基本概念、框架提供的组件、自定义实现、示例代码、以及性能和显示效果的优化。 1. Flutter Loading动画的基本概念 Loading动画通过在用户界面上展示动态效果(如...
}@overrideWidget build(BuildContext context) {returnCenter( child: Container( child: Stack( children: <Widget>[ RotationTransition( turns: animation1, child: CustomPaint( painter: Arc1Painter(widget.color1), child: Container( width:50.0,
The Rounded Loading Button has many configurable properties, including: duration- The duration of the button animation loaderSize- The size of the CircularProgressIndicator animateOnTap- Whether to trigger the loading animation on the tap event ...
();}class_SquareGridScaleLoadingStateextendsState<SquareGridScaleLoading>withSingleTickerProviderStateMixin{late AnimationController _controller;late Animation<double>_anim1,_anim2,_anim3,_anim4,_anim5;@overridevoidinitState(){_controller=AnimationController(vsync:this,duration:widget.duration)..repeat();...
With loading skeleton all you need is set a width and a height:and the result:If you want to be more creative you can change more things like:Margin; Colors; The animation duration; Where the animation should end on the y axis; And of course you can add a child widget to it and ...
Widgetbuild(BuildContext context){returnAnimatedBuilder(animation:_controller,builder:(context,child){returnCustomPaint(painter:WaterRipplePainter(_animation.value,count:widget.count,color:widget.color),);},);}} 最终的效果如下: 到这里,我们就完成了,如果你有比较酷炫的加载动画效果想要实现,可以将效果发给我...