e/5 :clock5:help wantedinactivep/Androidp/iOS 🍎t/bug :bug:up-for-grabs
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描述
Description
Sometimes the Xamarin.Forms.Image does not display image from the Xamarin.Forms.ImageSource.
Steps to Reproduce
Sample: https://yadi.sk/d/q_TXwro3Fti_sA Alternately tapping on the top images: left, right, left, right... Sometimes you can see 3 images: https://yadi.sk/i/_8kjsQO1UIwRjQ
If add breakpoint for System.Exception for Visual Studio for Mac, you catch exception: System.Threading.Tasks.TaskCanceledException
StackTrace:
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x00020] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.0.0.15/src/Xamarin.iOS/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:179
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.0.0.15/src/Xamarin.iOS/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:156
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.0.0.15/src/Xamarin.iOS/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:128
at System.Runtime.CompilerServices.TaskAwaiter`1[TResult].GetResult () [0x00000] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.0.0.15/src/Xamarin.iOS/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/TaskAwaiter.cs:357
at Xamarin.Forms.StreamImageSource+<Xamarin-Forms-IStreamImageSource-GetStreamAsync>d__5.MoveNext () [0x00066] in D:\a\1\s\Xamarin.Forms.Core\StreamImageSource.cs:36
Expected Behavior
After first tap(and more tap) you must always see 4 images: https://yadi.sk/i/e1nzEY45kuepKw
Actual Behavior
After first tap(and more tap), sometimes you may see 3 images: https://yadi.sk/i/_8kjsQO1UIwRjQ
Basic Information
- Version with issue: Xamarin.Forms(3.3.0.967583)
- Last known good version: no
- IDE: Visual Studio for Mac Community 7.6.10 (build 27)
- Platform Target Frameworks:
- iOS: 12.0
- Android: 8.1
- Nuget Packages:
- Affected Devices: iPhone5, iPhone7 and emulators for iOS and Android
Screenshots
See above
Reproduction Link
Sample: https://yadi.sk/d/q_TXwro3Fti_sA