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✨ A collection of loading indicators animated with flutter. Heavily Inspired by http://tobiasahlin.com/spinkit.

License: MIT License

Dart 96.90% Objective-C 0.02% Makefile 0.11% Kotlin 0.07% Swift 0.66% HTML 2.24%

flutter flutter-plugin dart dartlang animation animation-library spinkit android ios loading

flutter_spinkit's Introduction

✨ Flutter Spinkit

A collection of loading indicators animated with flutter. Heavily inspired by @tobiasahlin's SpinKit.

🎖 Installing

dependencies:
  flutter_spinkit: ^5.2.1

⚡️ Import

import 'package:flutter_spinkit/flutter_spinkit.dart';

🎮 How To Use

const spinkit = SpinKitRotatingCircle(
  color: Colors.white,
  size: 50.0,
);

final spinkit = SpinKitFadingCircle(
  itemBuilder: (BuildContext context, int index) {
    return DecoratedBox(
      decoration: BoxDecoration(
        color: index.isEven ? Colors.red : Colors.green,
      ),
    );
  },
);

final spinkit = SpinKitSquareCircle(
  color: Colors.white,
  size: 50.0,
  controller: AnimationController(vsync: this, duration: const Duration(milliseconds: 1200)),
);

For more info, please, refer to the showcase.dart in the example.

🚀 Showcase

RotatingPlain	DoubleBounce	Wave	WanderingCubes	FadingFour	FadingCube
Pulse	ChasingDots	ThreeBounce	Circle	CubeGrid	FadingCircle
RotatingCircle	FoldingCube	PumpingHeart	HourGlass	PouringHourGlass	PouringHourGlassRefined
FadingGrid	Ring	Ripple	SpinningCircle	SpinningLines	SquareCircle
DualRing	PianoWave	DancingSquare	ThreeInOut	WaveSpinner	PulsingGrid

Some GIF images gotten from Android Spinkit.

🐛 Bugs/Requests

If you encounter any problems feel free to open an issue. If you feel the library is missing a feature, please raise a ticket on Github and I'll look into it. Pull request are also welcome.

❗️ Note

For help getting started with Flutter, view our online documentation.

For help on editing plugin code, view the documentation.

☀️ Authors

⭐️ License

MIT License

flutter_spinkit's People

Contributors

Stargazers

Watchers

Forkers

matrixdekoder lloldmenll yangyxd thinkdigitalsoftware mashegoindustries byteszero dabingweiyuanhui jerrydu0306 yptspr caijinglong repoforks gilbrater suresh44t ukasz123 wray2013 sivakumarganga wilburx9 magestik247 trendingtechnology lubaoyilang grungebuddy hamid-kh sambhav2612 yanglilizhang tukaramc zhengyangma bianbiao zjpjohn equipmentseek jiangshide menqi20 partnercloudsupport ericbaruch briscopeas91 tylorvan ftllove jayant2204 huangyuanlove tomliu-github byprolujunyu sk8tz lizhiying keepsaunter saurabhpetkar tedgo fanlen zubyf09 honginblack andy1168 hub058 netfirms mostafaloay hhy5277 xiaojiedevx xiangshang1989 ly827 xdouglas zhoulou luisredondo jimmyinterview jackjonson luyun shimcy jazzbpn wozhizhizhi herry88 mypapipu mrdavy dejaime tranduc1710 tianzhiguo123 cuongmedia hanmichael jielundewode koudura newcomerbh eagleschen wangjianqi love-bk mhatout mkbiltek2019 mingsai pingshen zmtzawqlp claudekayumba 9ja-developers sarimk80 ysq1993 fluxutils gsy13213009 abhishek0706 akaabe quietly-20201113 xilibro lujiayi1228 osmansbr md-weber nour-diaa ko-htut tunsawthant

flutter_spinkit's Issues

Spinner spins forever after leaving the phone idle for 24 hours.

When I implement this spinner, I notice the loading spinner spins forever if you left the device idle for 24+ hours. This happens consistently.

PuringHourglass widget does not animate on web mobile browsers

If an app with the PouringHourglass widget is deployed to the web and opened on a mobile browser such as Safari or Android Chrome, the PouringHourglass widget doesn't show the animation.

As a workaround, If I request the DesktopVersion of the webApp, then it automates correctly but that's quite inconvenient.

Null safety

Hi! thanks for package. Can you publish null-safety to prerelease in pub.dev like other packages? Thanks )

Refactor: add mask when show loading

when show loading, use can click button or other widgets, actually user cannot touch in the loading. So i want to add mask. how to do it ?

Describe the bug
A clear and concise description of what the bug is.

SpinKit name
The name of the loader with which this bug occurred.

Screenshots
If applicable, add screenshots to help explain your problem.

Error: AnimationController not disposed, leak on the Ticker

Hi,

I got an error while using the lib.
Basically, I just put a loading Widget and then called a setstate() that would have cleaned it away. (upload view)

The main issue, it seems to me, is in this point of the source code, SpinKitPouringHourglass class:

  @override
  void dispose() {
    super.dispose();
    _controller.dispose();
  }

The controller seems not disposed, because the object containing the controller is disposed first (via super()). Maybe it should be:

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

Here is some log:

════════ Exception caught by widgets library ═══════════════════════════════════
The following assertion was thrown while finalizing the widget tree:
_SpinKitPouringHourglassState#e76fa(ticker active) was disposed with an active Ticker.

_SpinKitPouringHourglassState created a Ticker via its SingleTickerProviderStateMixin, but at the time dispose() was called on the mixin, that Ticker was still active. The Ticker must be disposed before calling super.dispose().

Tickers used by AnimationControllers should be disposed by calling dispose() on the AnimationController itself. Otherwise, the ticker will leak.

The offending ticker was: Ticker(created by _SpinKitPouringHourglassState#e76fa(lifecycle state: created))
The stack trace when the Ticker was actually created was:
#0      new Ticker.<anonymous closure> (package:flutter/src/scheduler/ticker.dart:67:40)
#1      new Ticker (package:flutter/src/scheduler/ticker.dart:69:6)
#2      SingleTickerProviderStateMixin.createTicker (package:flutter/src/widgets/ticker_provider.dart:131:15)
#3      new AnimationController (package:flutter/src/animation/animation_controller.dart:248:21)
#4      _SpinKitPouringHourglassState.initState (package:flutter_spinkit/src/pouring_hour_glass.dart:33:23)
#5      StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4765:58)
#6      ComponentElement.mount (package:flutter/src/widgets/framework.dart:4601:5)
#7      Element.inflateWidget (package:flutter/src/widgets/framework.dart:3569:14)
#8      Element.updateChild (package:flutter/src/widgets/framework.dart:3327:18)
#9      RenderObjectElement.updateChildren (package:flutter/src/widgets/framework.dart:5705:32)
#10     MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6246:17)
#11     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#12     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6125:14)
#13     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#14     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#15     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#16     StatelessElement.update (package:flutter/src/widgets/framework.dart:4708:5)
#17     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#18     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#19     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#20     ProxyElement.update (package:flutter/src/widgets/framework.dart:4987:5)
#21     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#22     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#23     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#24     ProxyElement.update (package:flutter/src/widgets/framework.dart:4987:5)
#25     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#26     RenderObjectElement.updateChildren (package:flutter/src/widgets/framework.dart:5647:32)
#27     MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6246:17)
#28     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#29     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#30     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4800:11)
#31     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#32     StatefulElement.update (package:flutter/src/widgets/framework.dart:4832:5)
#33     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#34     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#35     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#36     ProxyElement.update (package:flutter/src/widgets/framework.dart:4987:5)
#37     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#38     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#39     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4800:11)
#40     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#41     StatefulElement.update (package:flutter/src/widgets/framework.dart:4832:5)
#42     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#43     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6125:14)
#44     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#45     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#46     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#47     StatelessElement.update (package:flutter/src/widgets/framework.dart:4708:5)
#48     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#49     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6125:14)
#50     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#51     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#52     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4800:11)
#53     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#54     StatefulElement.update (package:flutter/src/widgets/framework.dart:4832:5)
#55     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#56     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#57     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4800:11)
#58     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#59     StatefulElement.update (package:flutter/src/widgets/framework.dart:4832:5)
#60     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#61     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#62     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#63     ProxyElement.update (package:flutter/src/widgets/framework.dart:4987:5)
#64     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#65     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#66     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#67     ProxyElement.update (package:flutter/src/widgets/framework.dart:4987:5)
#68     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#69     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#70     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4800:11)
#71     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#72     StatefulElement.update (package:flutter/src/widgets/framework.dart:4832:5)
#73     Element.updateChild (package:flutter/src/widgets/framework.dart:3314:15)
#74     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4652:16)
#75     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4800:11)
#76     Element.rebuild (package:flutter/src/widgets/framework.dart:4343:5)
#77     BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2730:33)
#78     WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:913:20)
#79     RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:302:5)
#80     SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1117:15)
#81     SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1055:9)
#82     SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:971:5)
#86     _invoke (dart:ui/hooks.dart:251:10)
#87     _drawFrame (dart:ui/hooks.dart:209:3)
(elided 3 frames from dart:async)
When the exception was thrown, this was the stack
#0      SingleTickerProviderStateMixin.dispose.<anonymous closure>
package:flutter/…/widgets/ticker_provider.dart:144
#1      SingleTickerProviderStateMixin.dispose
package:flutter/…/widgets/ticker_provider.dart:158
#2      _SpinKitPouringHourglassState.dispose
package:flutter_spinkit/src/pouring_hour_glass.dart:52
#3      StatefulElement.unmount
package:flutter/…/widgets/framework.dart:4854
#4      _InactiveElements._unmount
package:flutter/…/widgets/framework.dart:1998
... infinite errors

Fix outdated example code in the README

Describe the bug
It appears the example code in the README is outdated.

This doesn't work:

SpinKitRotatingCircle(
  color: Colors.white,
  width: 50.0,
  height: 50.0,
);

This does work:

SpinKitRotatingCircle(
  color: Colors.white,
  size: 50.0,
);

SpinKit name
SpinKitRotatingCircle

SpinKitCubeGrid not working as showcased

SpinKitCubeGrid plays a back-and-forth animation, with the cubes disappearing from bottom left and then reappearing from top right, instead of reappearing from bottom left as the gif in README.md shows.

"RotatingPlane" is called "RotatingPlain" in code

In the documentation the loading animation is called "RotatingPlane", but in the code it is misspelled "(SpinKit)RotatingPlain".

Need 5.0 for the install instructions

The install instructions in pub.dev still say 4.x and it gives null error.
It is fixed by making the version 5.0

Youtube comment from net ninja beginner flutter lesson 31
Remember to install null safe version (5.0.0), cause on ReadMe page in installation section they still mention "^4.1.2" ver:
dependencies:
flutter_spinkit: "^5.0.0"

Stops spinning while analysing data in async job

Describe the bug
It's works fine, as long as i don't start a async job that not just loads data, but also deals with it. So in my case, i make a request to a server, but then also do some quick analysis of a big string that takes a few seconds. When the analysis starts, it stops spinning. It should not be overloaded.... it's just one other async function that triggers it.

SpinKit name
All.

Screenshots
Nothing to show, it just stops.

Custom Painters!

Planning on a complete rewrite from animated Widgets to CustomPaints. I believe this would have some improved performance. Anyone can help out if need be.

Thanks

https://pub.dev/packages/flutter_easyloading

Add More Animations Please.

I've used most of the animations in my recent apps. Now I want to have some more beautiful animations or styles for spinkit. Can you do that please.

Colors

Can i configure a set of colors ?

Animation not working properly

Describe the bug
You can see it. I'm using API level 29 and Flutter 1.12

SpinKit name
WanderingCubes (but also happend DoubleBounce, so maybe happens with all SpinKits)

Screenshots
(Ignore the speed -- recording issues)

Migrate to sound null safety

Description

Migrate to sound null safety
Bump up package version

WanderingCubes not provided correct rotation like what is displayed in library

I have used WanderingCubes spin kit but the rotation /animation is not like what is display in this library .i want this type of animation

Screen.Recording.2022-02-01.at.12.55.58.PM.mov

SpinKit name---
WanderingCubes

22-02-01-12-53-26.mp4

Screenshots

Can you add some animated gifs of the results in the Readme so we can quickly judge of the quality.
Also when if the result is nice you're welcome to PR on https://github.com/Solido/awesome-flutter
Thanks

Flare animation support?

Flare provides powerful toolset to create animations and efficient runtime: https://github.com/2d-inc/Flare-Flutter Flare animation has stable 60fps which looks much better than GIFs. Some examples

flutter analyze error 4.1.0: NoSuchMethodError: The method 'accept' was called on null.

Describe the bug

I upgraded flutter_spinkit 4.1.0 from 4.0.0.
I run flutter analyze, and have following error.

error log

Running "flutter pub get" in my-app...                        8.5s
Analyzing my-app...
Error from the analysis server: Exception while using a PreferConstConstructors to visit a InstanceCreationExpressionImpl in ReturnStatementImpl in BlockImpl in BlockFunctionBodyImpl in MethodDeclarationImpl in ClassDeclarationImpl in CompilationUnitImpl

NoSuchMethodError: The method 'accept' was called on null.
Receiver: null
Tried calling: accept<DartObjectImpl>(Instance of 'ConstantVisitor')
#0      Object.noSuchMethod (dart:core-patch/object_patch.dart:51:5)
#1      ConstantEvaluationEngine.evaluateConstructorCall (package:analyzer/src/dart/constant/evaluation.dart:717:53)
#2      ConstantVerifier.visitInstanceCreationExpression (package:analyzer/src/dart/constant/constant_verifier.dart:134:27)
#3      InstanceCreationExpressionImpl.accept (package:analyzer/src/dart/ast/ast.dart:6180:15)
#4      LinterContextImpl._hasConstantVerifierError (package:analyzer/src/lint/linter.dart:322:10)
#5      LinterContextImpl.canBeConst (package:analyzer/src/lint/linter.dart:290:15)
#6      _Visitor.visitInstanceCreationExpression (package:linter/src/rules/prefer_const_constructors.dart:95:19)
#7      InstanceCreationExpressionImpl.accept (package:analyzer/src/dart/ast/ast.dart:6180:15)
#8      LinterVisitor._runSubscriptions (package:analyzer/src/lint/linter_visitor.dart:713:14)
#9      LinterVisitor.visitInstanceCreationExpression (package:analyzer/src/lint/linter_visitor.dart:383:5)
#10     InstanceCreationExpressionImpl.accept (package:analyzer/src/dart/ast/ast.dart:6180:15)
#11     ReturnStatementImpl.visitChildren (package:analyzer/src/dart/ast/ast.dart:8638:18)
#12     RecursiveAstVisitor.visitReturnStatement (package:analyzer/dart/ast/visitor.dart:1164:10)
#13     LinterVisitor.visitReturnStatement (package:analyzer/src/lint/linter_visitor.dart:541:11)
#14     ReturnStatementImpl.accept (package:analyzer/src/dart/ast/ast.dart:8634:49)
#15     NodeListImpl.accept (package:analyzer/src/dart/ast/ast.dart:7670:20)
#16     BlockImpl.visitChildren (package:analyzer/src/dart/ast/ast.dart:1115:17)
#17     RecursiveAstVisitor.visitBlock (package:analyzer/dart/ast/visitor.dart:665:10)
#18     LinterVisitor.visitBlock (package:analyzer/src/lint/linter_visitor.dart:66:11)
#19     BlockImpl.accept (package:analyzer/src/dart/ast/ast.dart:1111:49)
#20     BlockFunctionBodyImpl.visitChildren (package:analyzer/src/dart/ast/ast.dart:1070:13)
#21     RecursiveAstVisitor.visitBlockFunctionBody (package:analyzer/dart/ast/visitor.dart:671:10)
#22     LinterVisitor.visitBlockFunctionBody (package:analyzer/src/lint/linter_visitor.dart:72:11)
#23     BlockFunctionBodyImpl.accept (package:analyzer/src/dart/ast/ast.dart:1066:49)
#24     MethodDeclarationImpl.visitChildren (package:analyzer/src/dart/ast/ast.dart:7110:12)
#25     RecursiveAstVisitor.visitMethodDeclaration (package:analyzer/dart/ast/visitor.dart:1061:10)
#26     LinterVisitor.visitMethodDeclaration (package:analyzer/src/lint/linter_visitor.dart:450:11)
#27     MethodDeclarationImpl.accept (package:analyzer/src/dart/ast/ast.dart:7101:49)
#28     NodeListImpl.accept (package:analyzer/src/dart/ast/ast.dart:7670:20)
#29     ClassDeclarationImpl.visitChildren (package:analyzer/src/dart/ast/ast.dart:1584:13)
#30     RecursiveAstVisitor.visitClassDeclaration (package:analyzer/dart/ast/visitor.dart:701:10)
#31     LinterVisitor.visitClassDeclaration (package:analyzer/src/lint/linter_visitor.dart:102:11)
#32     ClassDeclarationImpl.accept (package:analyzer/src/dart/ast/ast.dart:1554:49)
#33     NodeListImpl.accept (package:analyzer/src/dart/ast/ast.dart:7670:20)
#34     CompilationUnitImpl.visitChildren (package:analyzer/src/dart/ast/ast.dart:2161:21)
#35     RecursiveAstVisitor.visitCompilationUnit (package:analyzer/dart/ast/visitor.dart:725:10)
#36     LinterVisitor.visitCompilationUnit (package:analyzer/src/lint/linter_visitor.dart:126:11)
#37     CompilationUnitImpl.accept (package:analyzer/src/dart/ast/ast.dart:2140:49)
#38     LibraryAnalyzer._computeLints (package:analyzer/src/dart/analysis/library_analyzer.dart:353:10)
#39     LibraryAnalyzer.analyzeSync.<anonymous closure> (package:analyzer/src/dart/analysis/library_analyzer.dart:206:11)
#40     _PerformanceTagImpl.makeCurrentWhile (package:analyzer/src/generated/utilities_general.dart:258:15)
#41     LibraryAnalyzer.analyzeSync (package:analyzer/src/dart/analysis/library_analyzer.dart:201:35)
#42     LibraryAnalyzer.analyze.<anonymous closure> (package:analyzer/src/dart/analysis/library_analyzer.dart:115:14)
#43     _PerformanceTagImpl.makeCurrentWhile (package:analyzer/src/generated/utilities_general.dart:258:15)
#44     LibraryAnalyzer.analyze (package:analyzer/src/dart/analysis/library_analyzer.dart:114:43)
#45     AnalysisDriver._computeAnalysisResult.<anonymous closure> (package:analyzer/src/dart/analysis/driver.dart:1259:63)
#46     PerformanceLog.run (package:analyzer/src/dart/analysis/performance_logger.dart:34:15)
#47     AnalysisDriver._computeAnalysisResult (package:analyzer/src/dart/analysis/driver.dart:1235:20)
#48     AnalysisDriver.performWork (package:analyzer/src/dart/analysis/driver.dart:1065:33)
<asynchronous suspension>
#49     AnalysisDriverScheduler._run (package:analyzer/src/dart/analysis/driver.dart:1921:24)
<asynchronous suspension>
#50     AnalysisDriverScheduler.start (package:analyzer/src/dart/analysis/driver.dart:1855:5)
#51     new AnalysisServer (package:analysis_server/src/analysis_server.dart:212:29)
#52     SocketServer.createAnalysisServer (package:analysis_server/src/socket_server.dart:86:26)
#53     StdioAnalysisServer.serveStdio (package:analysis_server/src/server/stdio_server.dart:37:18)
#54     Driver.startAnalysisServer.<anonymous closure> (package:analysis_server/src/server/driver.dart:572:21)
#55     _rootRun (dart:async/zone.dart:1124:13)
#56     _CustomZone.run (dart:async/zone.dart:1021:19)
#57     _runZoned (dart:async/zone.dart:1516:10)
#58     runZoned (dart:async/zone.dart:1463:12)
#59     Driver._captureExceptions (package:analysis_server/src/server/driver.dart:689:12)
#60     Driver.startAnalysisServer (package:analysis_server/src/server/driver.dart:570:7)
#61     Driver.start.<anonymous closure> (package:analysis_server/src/server/driver.dart:474:9)
#62     _AsyncAwaitCompleter.start (dart:async-patch/async_patch.dart:43:6)
#63     Driver.start.<anonymous closure> (package:analysis_server/src/server/driver.dart:469:43)
#64     CompilerContext.runInContext.<anonymous closure>.<anonymous closure> (package:front_end/src/fasta/compiler_context.dart:122:46)
#65     new Future.sync (dart:async/future.dart:224:31)
#66     CompilerContext.runInContext.<anonymous closure> (package:front_end/src/fasta/compiler_context.dart:122:19)
#67     _rootRun (dart:async/zone.dart:1124:13)
#68     _CustomZone.run (dart:async/zone.dart:1021:19)
#69     _runZoned (dart:async/zone.dart:1516:10)
#70     runZoned (dart:async/zone.dart:1463:12)
#71     CompilerContext.runInContext (package:front_end/src/fasta/compiler_context.dart:121:12)
#72     CompilerContext.runWithDefaultOptions (package:front_end/src/fasta/compiler_context.dart:140:56)
#73     Driver.start (package:analysis_server/src/server/driver.dart:469:21)
#74     main (file:///b/s/w/ir/k/src/third_party/dart/pkg/analysis_server/bin/server.dart:12:11)
#75     _AsyncAwaitCompleter.start (dart:async-patch/async_patch.dart:43:6)
#76     main (file:///b/s/w/ir/k/src/third_party/dart/pkg/analysis_server/bin/server.dart:10:10)
#77     _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:303:32)
#78     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12)


Server error(s) occurred. (ran in 16.3s)
Exited with code 1

workaround

I downgrade flutter_spinkit 4.0.0, so I have no error.

Request for a star shaped button with similar animation <gif attached>

both FoldingCube & CubeGrid animation are incorrect

https://raw.githubusercontent.com/ybq/AndroidSpinKit/master/art/FoldingCube.gif
https://raw.githubusercontent.com/ybq/AndroidSpinKit/master/art/CubeGrid.gif

The animation doesn't match with the demo, appears to be looping or reverse backward when animation ends

Use SpinKitRipple without MaterialApp context may crash

I run an app started with a Container as the root widget and SpinKitRipple as it's child widget the app does not render and it crashes.

I've tried a few other indicators and they are working fine without the MaterialApp context, then I tried to wrap SpinKitRipple as a child of MaterialApp and it renders correctly.

Add Pub.dev link to readme please

PouringHourGlass or PouringHourglass ?

Describe the bug
Showcase on [https://pub.dev/packages/flutter_spinkit] shows PouringHourGlass to call spinner but it's coded by PouringHourglass

SpinKit name
PouringHourGlass

Screenshots

[Request] Hope to expose AnimationController

I have a requirement to control the playback and pause of animation, so I hope to provide a parameter to pass AnimationController, so that I can control when the animation is played and when it is paused.

WaveSpinner is not working

Describe the bug
Hi, I really like your library, I think it is beautiful and very useful. However, I am having some trouble with SpinKitWaveSpinner class. It is not visible on vscode suggestions and I can't go to definition of the class. It looks like this class doesn't exist. (I tried exporting it in flutter_spinkit.dart but problem still exists.) Maybe you forget to publish it? (I am using version 5.1.0) Can you take a look? Thanks in advance.

SpinKit name
SpinKitWaveSpinner

Some GIFs not loading on pub site

Describe the bug
Probably nothing you can do about it, but just in case you weren't aware, some GIFs don't load on pub.dartlang.org, but load on Github

SpinKit name
The name of the loader with which this bug occurred.

Screenshots

The New Version of flutter has not DelayTween Class

The New Version of flutter v1.7.8 has not exist DelayTween Class，Please，How to solve it?

The method 'reverse' was called on null

Describe the bug
I'm getting the following exception

The method 'reverse' was called on null

after the animation stops showing.

The stacktrace looks like this (and goes on and on like this for 500 lines):

I/flutter (11044): ══╡ EXCEPTION CAUGHT BY ANIMATION LIBRARY ╞═════════════════════════════════════════════════════════
I/flutter (11044): The following NoSuchMethodError was thrown while notifying status listeners for AnimationController:
I/flutter (11044): The method 'reverse' was called on null.
I/flutter (11044): Receiver: null
I/flutter (11044): Tried calling: reverse()
I/flutter (11044): 
I/flutter (11044): When the exception was thrown, this was the stack:
I/flutter (11044): #0      Object.noSuchMethod (dart:core-patch/object_patch.dart:51:5)
I/flutter (11044): #1      autoReverseFn.<anonymous closure> (package:flutter_spinkit/src/utils.dart:8:27)
I/flutter (11044): #2      AnimationLocalStatusListenersMixin.notifyStatusListeners (package:flutter/src/animation/listener_helpers.dart:193:19)
I/flutter (11044): #3      AnimationController._checkStatusChanged (package:flutter/src/animation/animation_controller.dart:753:7)
I/flutter (11044): #4      AnimationController._animateToInternal (package:flutter/src/animation/animation_controller.dart:585:7)
I/flutter (11044): #5      AnimationController.forward (package:flutter/src/animation/animation_controller.dart:458:12)
I/flutter (11044): #6      _SpinKitCubeGridState.initState (package:flutter_spinkit/src/cube_grid.dart:37:9)
I/flutter (11044): #7      StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4068:58)
I/flutter (11044): #8      ComponentElement.mount (package:flutter/src/widgets/framework.dart:3919:5)
I/flutter (11044): #9      Element.inflateWidget (package:flutter/src/widgets/framework.dart:3101:14)
I/flutter (11044): #10     Element.updateChild (package:flutter/src/widgets/framework.dart:2904:12)
I/flutter (11044): #11     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5127:14)
I/flutter (11044): #12     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3101:14)
I/flutter (11044): #13     MultiChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5233:32)
I/flutter (11044): #14     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3101:14)
I/flutter (11044): #15     Element.updateChild (package:flutter/src/widgets/framework.dart:2904:12)

SpinKit name

SpinKitCubeGrid

Screenshots

Exception thrown when using some loading spins

Describe the bug
The following exception:

2019-03-12 17:00:06.281 9687-9758/com.anticus.crossservice_mobile I/flutter: ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
2019-03-12 17:00:06.281 9687-9758/com.anticus.crossservice_mobile I/flutter: The following assertion was thrown during performLayout():
2019-03-12 17:00:06.281 9687-9758/com.anticus.crossservice_mobile I/flutter: 'package:flutter/src/painting/alignment.dart': Failed assertion: line 530 pos 12: 'direction !=
2019-03-12 17:00:06.281 9687-9758/com.anticus.crossservice_mobile I/flutter: null': is not true.
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: Either the assertion indicates an error in the framework itself, or we should provide substantially
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: more information in this error message to help you determine and fix the underlying cause.
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: In either case, please report this assertion by filing a bug on GitHub:
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter:   https://github.com/flutter/flutter/issues/new?template=BUG.md
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: When the exception was thrown, this was the stack:
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #2      AlignmentDirectional.resolve (package:flutter/src/painting/alignment.dart:530:12)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #3      RenderStack._resolve (package:flutter/src/rendering/stack.dart:360:36)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #4      RenderStack.performLayout (package:flutter/src/rendering/stack.dart:475:5)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #5      RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #6      RenderConstrainedBox.performLayout (package:flutter/src/rendering/proxy_box.dart:259:13)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #7      RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #8      RenderPositionedBox.performLayout (package:flutter/src/rendering/shifted_box.dart:385:13)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #9      RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #10     RenderPadding.performLayout (package:flutter/src/rendering/shifted_box.dart:199:11)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #11     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #12     RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:738:15)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #13     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #14     RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:738:15)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #15     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
2019-03-12 17:00:06.282 9687-9758/com.anticus.crossservice_mobile I/flutter: #16     RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:798:17)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #17     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #18     RenderPadding.performLayout (package:flutter/src/rendering/shifted_box.dart:199:11)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #19     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #20     _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #21     RenderObject.layout (package:flutter/src/rendering/object.dart:1632:7)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #22     RenderView.performLayout (package:flutter/src/rendering/view.dart:151:13)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #23     RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:1507:7)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #24     PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:766:18)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #25     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:329:19)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #26     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:701:13)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #27     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:268:5)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #28     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:988:15)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #29     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:928:9)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #30     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.scheduleWarmUpFrame.<anonymous closure> (package:flutter/src/scheduler/binding.dart:749:7)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #39     _Timer._runTimers (dart:isolate/runtime/libtimer_impl.dart:382:19)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #40     _Timer._handleMessage (dart:isolate/runtime/libtimer_impl.dart:416:5)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: #41     _RawReceivePortImpl._handleMessage (dart:isolate/runtime/libisolate_patch.dart:171:12)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: (elided 10 frames from class _AssertionError and package dart:async)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: The following RenderObject was being processed when the exception was fired:
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   RenderStack#c7a6f NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   creator: Stack ← SizedBox ← Center ← SpinKitFadingCircle ← Padding ← Row ← Column ← Expanded ←
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   Column ← Padding ← ServicePicker ← DecoratedBox ← ⋯
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   parentData: <none> (can use size)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   constraints: BoxConstraints(w=50.0, h=50.0)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   size: MISSING
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   alignment: AlignmentDirectional.topStart
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   textDirection: null
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   fit: loose
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   overflow: clip
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: This RenderObject had the following descendants (showing up to depth 5):
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   RenderTransform#33f41 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:     RenderPositionedBox#e8cbf NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:       RenderAnimatedOpacity#063a0 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:         RenderConstrainedBox#c6af1 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:           RenderDecoratedBox#4ebec NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   RenderTransform#20025 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:     RenderPositionedBox#a047b NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:       RenderAnimatedOpacity#19cdf NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:         RenderConstrainedBox#f76fc NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:           RenderDecoratedBox#95b82 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   RenderTransform#397b0 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:     RenderPositionedBox#c0e0b NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:       RenderAnimatedOpacity#9e140 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:         RenderConstrainedBox#efe90 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:           RenderDecoratedBox#056e2 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   RenderTransform#2c907 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:     RenderPositionedBox#d68b6 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:       RenderAnimatedOpacity#ab386 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:         RenderConstrainedBox#3b729 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:           RenderDecoratedBox#88b79 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   RenderTransform#7ea6d NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:     RenderPositionedBox#46f1e NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:       RenderAnimatedOpacity#eda0e NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:         RenderConstrainedBox#8b604 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:           RenderDecoratedBox#72b36 NEEDS-LAYOUT NEEDS-PAINT
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter:   ...(descendants list truncated after 25 lines)
2019-03-12 17:00:06.283 9687-9758/com.anticus.crossservice_mobile I/flutter: ════════════════════════════════════════════════════════════════════════════════════════════════════
2019-03-12 17:00:06.284 9687-9758/com.anticus.crossservice_mobile I/flutter: Another exception was thrown: RenderBox was not laid out: RenderStack#c7a6f NEEDS-PAINT
2019-03-12 17:00:06.284 9687-9758/com.anticus.crossservice_mobile I/flutter: Another exception was thrown: RenderBox was not laid out: RenderConstrainedBox#ef9c3 relayoutBoundary=up5 NEEDS-PAINT
2019-03-12 17:00:06.284 9687-9758/com.anticus.crossservice_mobile I/flutter: Another exception was thrown: RenderBox was not laid out: RenderPositionedBox#59ea0 relayoutBoundary=up4 NEEDS-PAINT

is thrown whenever I try to use some SpinKits.

Steps to reproduce

Create a new flutter project
Replace the code with the following:

import 'package:flutter_spinkit/flutter_spinkit.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return Container(
      padding: EdgeInsets.all(10),
      child: SpinKitFadingCircle(color: Colors.white),
    );
  }
}

Error is thrown.

SpinKit name

DoubleBounce
FadingFour
FadingCube
Pulse
ChasingDot
ThreeBounce
Circle
CubeGrid
FadingCircle
FoldingCube
Ripple

Spinkit animation with ElevatedButton's onPressed function (enquiry)

Good day Ayush and Jeremiah

I am new to Flutter and I am hoping that you can help me with making use of your Spinkit package. I have searched online but I have not come across a solution for my case.

The result I am seeking is for your Spinkit's animation to present itself after the press of an ElevatedButton, where that press will also prompt some loading activity, and then cease after the loading activity. Is this possible with Spinkit please?

I have attached the code I am working on to this e-mail for your consideration, however, some ordinary code featuring an ElevatedButton's onPress function would be sufficient for illustrating an example.

Many thanks for your time and for your support.

Kind regards

M Mathems

registrationScreen.txt

Null safety Issue

Describe the bug
(I am a noob)!
I am building an app and it says this package doesn't support null safety

Screenshots

disable user interaction while spinkit is showing

User interaction is not disable while loading data if i show the spinkit
SpinKit name
SpinKitDoubleBounce

Timer errors occur when leaving page with animation

Describe the bug
Either document proper usage or enable a Spinkit animation to dispose it's own timer.

Timer errors occur when closing the page with the animation on it.

SpinKit name

SpinKitPouringHourglass

Description/Usage

I'm displaying the SpinKitPouringHourglass on a stateless page. The widget is used this way:

  Widget build(BuildContext context) {

    // ...

    List<Widget> displayList = [
      titleSection,
      Align(
        alignment: Alignment.center,
        child: SpinKitPouringHourglass(
          color: theme.primaryColor,
          size: 90.0,
        )
      ),
      instructionsSection,
    ];

    return new Scaffold(
      appBar: new AppBar(
        title: new Text('Questionnaire'),
      ),
      body: new ListView(children: displayList),
    );
  }

The errors occur when I hit the "Back" button to pop the nav stack and return to the opening page.

Error Logs

I/flutter (20208): _SpinKitPouringHourglassState#3447a(ticker active) was disposed with an active Ticker.
I/flutter (20208): _SpinKitPouringHourglassState created a Ticker via its SingleTickerProviderStateMixin, but at the
I/flutter (20208): time dispose() was called on the mixin, that Ticker was still active. The Ticker must be disposed
I/flutter (20208): before calling super.dispose(). Tickers used by AnimationControllers should be disposed by calling
I/flutter (20208): dispose() on the AnimationController itself. Otherwise, the ticker will leak.
I/flutter (20208): The offending ticker was: Ticker(created by _SpinKitPouringHourglassState#3447a(lifecycle state:
I/flutter (20208): created))

[Minor] Required constructor parameter for SpinKitWidgets

To help the users, we should maybe think about to add a required parameter for the Widgets that need, for example, colour. That would help them directly in the editor instead of throwing only a red screen.

In the Image, you can see what I mean for the colour of the SpinKitFadingCircle. This is a minor improvement.

This is only a problem if there is no const in front of the class name. E.g.

Considering moving to the Flutter community packages.

As the days go by I realise I am having less and less time around open source, I am considering moving this repo under the umbrella of Flutter Community. So it can progress further and maybe under renewed vigour. Its not my single decision to make, so I would like to know if it okay to go ahead with it.

cc @ened @CaiJingLong @aagarwal1012 @Abhishek0706 @payam-zahedi

Feature request: custom icon as input for progress indicator

Hello,

I would like my icon to be displayed as a rotating progress indicator. Any plans to allow for an "Icon" or "Image" input, that is then used as the item to animate as the indicator?
Describe the bug
A clear and concise description of what the bug is.

SpinKit name
The name of the loader with which this bug occurred.

Screenshots
If applicable, add screenshots to help explain your problem.

New Animations not actually added?

Hi, good to see more animations added! In checking with the 1.0 update and looking at the exports and the file, it doesn't look like the new animations made it to the file? I'm not able to find the new ones.

library flutter_spinkit;

export 'src/chasing_dots.dart';
export 'src/double_bounce.dart';
export 'src/fading_cube.dart';
export 'src/folding_cube.dart';
export 'src/pulse.dart';
export 'src/rotating_circle.dart';
export 'src/rotating_plain.dart';
export 'src/fading_four.dart';
export 'src/three_bounce.dart';
export 'src/wave.dart';
export 'src/circle.dart';
export 'src/fading_circle.dart';
export 'src/wandering_cubes.dart';
export 'src/cube_grid.dart';
export 'src/pumping_heart.dart';

I was looking for the DualRing

Cannot customize the alignment, always in center screen

SpinKitFadingCircle etc will only be shown in the middle of the screen.

As following code says that there is no alignment setting for the widget, and I check the source code that the alignment is default to center. And if I constraint the widget inside a container at the bottom of the screen, the widget will not be shown.

SpinKitFadingCircle(
  color: Colors.white,
  width: 50.0,
  height: 50.0,
);

Here is my code, which CircularProgressIndicator be replaced by SpinKitFadingCircle if I want to place it at the bottom.

  Widget _buildProgressIndicator() {
    return Container(
      alignment: Alignment.bottomCenter,
      padding: const EdgeInsets.all(16.0),
      child: Opacity(
        opacity: widget.isLoading ? 1.0 : 0.0,
        child: Container(
          decoration: BoxDecoration(
            shape: BoxShape.circle,
            color: Colors.white,
          ),
          child: SizedBox(
            width: 40.0,
            height: 40.0,
            child: Container(
              padding: EdgeInsets.all(8.0),
              child: CircularProgressIndicator(
                valueColor: AlwaysStoppedAnimation(kShrinePink300),
                strokeWidth: 3.0,
              ),
            ),
          ),
        ),
      ),
    );
  }

Hope it makes more clear. Sorry for the detail missing. I thought it was quite a obvious problem.

Animations always center inside TextFields and obscure the text

I'm trying to use one of the animations as a prefixIcon inside an InputDecoration inside a TextField,
however instead of the animation sitting to the left it centers itself over the text inside the TextField and obscures all the text no matter how long it is.

I've tested this with the properties prefix, prefixIcon, suffix and suffixIcon, and I've tested many of the animations, every one of the ones i tested exhibits the bug with the exception of SpinKitCubeGrid.

Here is code with which i tested:

class Page extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(),
      body: Column(
        children: <Widget>[
          TextField(
            decoration: InputDecoration(
              prefixIcon: SpinKitCircle(
                color: Colors.blue,
              ),
            ),
          ),
        ],
      ),
    );
  }

Please give more detail about how to use in wiki.

Developers need to check source code to find out how to show and hide If they want to use this component now, please give more details to make it easy.

Don't Support null safety

Describe the bug
A clear and concise description of what the bug is.
I was trying to add the package and use it in my flutter app but every time I ran the app it showed me this error in it.

SpinKit name
The name of the loader with which this bug occurred.

Screenshots
If applicable, add screenshots to help explain your problem.

Symbol Off Center

Hi, it appears that the loading animation is off-center, making it difficult to align it properly.

Error: UnimplementedError SpinKitPouringHourGlassRefined

Describe the bug
i facing error about using SpinKitPouringHourGlassRefined in my app (flutter web)

Error: UnimplementedError
    at Object.throw_ [as throw] (http://localhost:34305/dart_sdk.js:5067:11)
    at Path.combine (http://localhost:34305/dart_sdk.js:135869:17)
    at pouring_hour_glass_refined._HourGlassPaint.new.paint (http://localhost:34305/packages/flutter_spinkit/src/pouring_hour_glass_refined.dart.lib.js:346:31)
    at [_paintWithPainter] (http://localhost:34305/packages/flutter/src/rendering/custom_paint.dart.lib.js:356:15)
    at custom_paint.RenderCustomPaint.new.paint (http://localhost:34305/packages/flutter/src/rendering/custom_paint.dart.lib.js:371:32)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderConstrainedBox.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderTransform.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at proxy_box.RenderTransform.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:2636:19)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at shifted_box.RenderPositionedBox.new.paint (http://localhost:34305/packages/flutter/src/rendering/shifted_box.dart.lib.js:140:17)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at shifted_box.RenderPositionedBox.new.paint (http://localhost:34305/packages/flutter/src/rendering/shifted_box.dart.lib.js:140:17)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderConstrainedBox.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at flex$.RenderFlex.new.defaultPaint (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:8059:19)
    at flex$.RenderFlex.new.paint (http://localhost:34305/packages/flutter/src/rendering/flex.dart.lib.js:1074:14)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at paintContents (http://localhost:34305/packages/flutter/src/widgets/single_child_scroll_view.dart.lib.js:646:19)
    at single_child_scroll_view._RenderSingleChildViewport.new.paint (http://localhost:34305/packages/flutter/src/widgets/single_child_scroll_view.dart.lib.js:653:11)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at PaintingContext._repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5759:31)
    at PaintingContext.repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5731:31)
    at [_compositeChild] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5790:33)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5780:30)
    at proxy_box.RenderIgnorePointer.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderSemanticsAnnotations.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderPointerListener.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderSemanticsGestureHandler.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderPointerListener.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at scrollable$._RenderScrollSemantics.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderRepaintBoundary.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at PaintingContext._repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5759:31)
    at PaintingContext.repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5731:31)
    at [_compositeChild] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5790:33)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5780:30)
    at custom_paint.RenderCustomPaint.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at custom_paint.RenderCustomPaint.new.paint (http://localhost:34305/packages/flutter/src/rendering/custom_paint.dart.lib.js:374:13)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderMouseRegion.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderPointerListener.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderSemanticsGestureHandler.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderRepaintBoundary.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at PaintingContext._repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5759:31)
    at PaintingContext.repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5731:31)
    at [_compositeChild] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5790:33)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5780:30)
    at proxy_box.RenderConstrainedBox.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at shifted_box.RenderPadding.new.paint (http://localhost:34305/packages/flutter/src/rendering/shifted_box.dart.lib.js:140:17)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at custom_layout.RenderCustomMultiChildLayoutBox.new.defaultPaint (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:8059:19)
    at custom_layout.RenderCustomMultiChildLayoutBox.new.paint (http://localhost:34305/packages/flutter/src/rendering/custom_layout.dart.lib.js:279:12)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at material._RenderInkFeatures.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at material._RenderInkFeatures.new.paint (http://localhost:34305/packages/flutter/src/material/icon_button.dart.lib.js:47886:13)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderPhysicalModel.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at object$.PaintingContext.new.pushLayer (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5890:7)
    at proxy_box.RenderPhysicalModel.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:2201:17)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderSemanticsAnnotations.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderRepaintBoundary.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at PaintingContext._repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5759:31)
    at PaintingContext.repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5731:31)
    at [_compositeChild] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5790:33)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5780:30)
    at proxy_box.RenderIgnorePointer.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderAnimatedOpacity.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at object$.PaintingContext.new.pushLayer (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5890:7)
    at object$.PaintingContext.new.pushOpacity (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:6004:12)
    at proxy_box.RenderAnimatedOpacity.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:1205:32)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderFractionalTranslation.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at proxy_box.RenderFractionalTranslation.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:3046:15)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderRepaintBoundary.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at PaintingContext._repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5759:31)
    at PaintingContext.repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5731:31)
    at [_compositeChild] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5790:33)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5780:30)
    at routes._RenderFocusTrap.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderSemanticsAnnotations.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderOffstage.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at proxy_box.RenderOffstage.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:3573:13)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderSemanticsAnnotations.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at overlay$._RenderTheatre.new.paintStack (http://localhost:34305/packages/flutter/src/widgets/widget_inspector.dart.lib.js:27083:17)
    at overlay$._RenderTheatre.new.paint (http://localhost:34305/packages/flutter/src/widgets/widget_inspector.dart.lib.js:27092:14)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderSemanticsAnnotations.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderAbsorbPointer.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderPointerListener.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at overlay$._RenderTheatre.new.paintStack (http://localhost:34305/packages/flutter/src/widgets/widget_inspector.dart.lib.js:27083:17)
    at overlay$._RenderTheatre.new.paint (http://localhost:34305/packages/flutter/src/widgets/widget_inspector.dart.lib.js:27092:14)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at material._RenderInkFeatures.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at material._RenderInkFeatures.new.paint (http://localhost:34305/packages/flutter/src/material/icon_button.dart.lib.js:47886:13)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderPhysicalModel.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at object$.PaintingContext.new.pushLayer (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5890:7)
    at proxy_box.RenderPhysicalModel.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:2201:17)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderSemanticsAnnotations.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderSemanticsAnnotations.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderSemanticsAnnotations.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at proxy_box.RenderSemanticsAnnotations.new.paint (http://localhost:34305/packages/flutter/src/rendering/proxy_box.dart.lib.js:444:41)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at object$.PaintingContext.new.paintChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5782:33)
    at view.RenderView.new.paint (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:4747:39)
    at [_paintWithContext] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:3519:14)
    at PaintingContext._repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5759:31)
    at PaintingContext.repaintCompositedChild (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5731:31)
    at object$.PipelineOwner.new.flushPaint (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:6272:39)
    at binding$5.WidgetsFlutterBinding.new.drawFrame (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5496:26)
    at binding$5.WidgetsFlutterBinding.new.drawFrame (http://localhost:34305/packages/flutter/src/widgets/widget_inspector.dart.lib.js:52921:15)
    at [_handlePersistentFrameCallback] (http://localhost:34305/packages/flutter/src/rendering/layer.dart.lib.js:5459:12)
    at [_invokeFrameCallback] (http://localhost:34305/packages/flutter/src/scheduler/binding.dart.lib.js:722:9)
    at binding$5.WidgetsFlutterBinding.new.handleDrawFrame (http://localhost:34305/packages/flutter/src/scheduler/binding.dart.lib.js:693:37)
    at [_handleDrawFrame] (http://localhost:34305/packages/flutter/src/scheduler/binding.dart.lib.js:646:12)
    at Object.invoke (http://localhost:34305/dart_sdk.js:190394:7)
    at _engine.EnginePlatformDispatcher.__.invokeOnDrawFrame (http://localhost:34305/dart_sdk.js:171071:15)
    at http://localhost:34305/dart_sdk.js:190193:55

SpinKit name
SpinKitPouringHourGlassRefined

flutter : 2.10.4 Linux
flutter_spinkit: 5.1.0

Screenshots

image error

Request for a speed argument

Please add an optional argument that can be used to specify the speed of the animation.
This can be extremely useful feature in UX customization, and shouldn't be more then a few lines of code.

jogboms / flutter_spinkit Goto Github PK

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