Bug 36221 - App crashes after back navigation (UWP on device running Windows 10 Phone)
Summary: App crashes after back navigation (UWP on device running Windows 10 Phone)
Status: RESOLVED NORESPONSE
Alias: None
Product: Forms
Classification: Xamarin
Component: Windows ()
Version: 2.0.0
Hardware: PC Windows
: --- major
Target Milestone: ---
Assignee: Bugzilla
URL:
Depends on:
Blocks:
 
Reported: 2015-11-24 16:06 UTC by Richard Hopkins
Modified: 2016-04-13 18:38 UTC (History)
2 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:


Attachments
Video of crash (2.92 MB, video/mp4)
2015-11-24 16:06 UTC, Richard Hopkins
Details


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Status:
RESOLVED NORESPONSE

Description Richard Hopkins 2015-11-24 16:06:05 UTC
Created attachment 13979 [details]
Video of crash

Code builds and runs without exception on iOS, Android, Windows Phone 8.1 - only occurs in UWP build.

Object reference not set to an instance of an object.

   at Xamarin.Forms.Platform.UWP.ImageRenderer.<UpdateSource>d__6.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<>c.<ThrowAsync>b__6_0(Object state)
   at System.Threading.WinRTSynchronizationContext.Invoker.InvokeCore()

See attached video.
Comment 1 Richard Hopkins 2015-11-24 16:07:14 UTC
--- System info

Microsoft Visual Studio Enterprise 2015
Version 14.0.23107.0 D14REL
Microsoft .NET Framework
Version 4.6.01038

Installed Version: Enterprise

Architecture and Modeling Tools   00322-80000-00000-AA562
Microsoft Architecture and Modeling Tools
    
UMLÆ and Unified Modeling Languageô are trademarks or registered trademarks of the Object Management Group, Inc. in the United States and other countries.

Visual Basic 2015   00322-80000-00000-AA562
Microsoft Visual Basic 2015

Visual C# 2015   00322-80000-00000-AA562
Microsoft Visual C# 2015

Visual C++ 2015   00322-80000-00000-AA562
Microsoft Visual C++ 2015

Windows Phone SDK 8.0 - ENU   00322-80000-00000-AA562
Windows Phone SDK 8.0 - ENU

Application Insights Tools for Visual Studio Package   1.0
Application Insights Tools for Visual Studio

ASP.NET and Web Tools   14.0.20626.0
ASP.NET and Web Tools

ASP.NET Web Frameworks and Tools 2013   5.2.30624.0
For additional information, visit http://www.asp.net/

Common Azure Tools   1.5
Provides common services for use by Azure Mobile Services and Microsoft Azure Tools.

GenerateUnitTest   1.0
Generates unit test code for methods in classes under test.

Microsoft Azure Mobile Services Tools   1.4
Microsoft Azure Mobile Services Tools

Microsoft Code Digger   0.9
Microsoft Code Digger

Microsoft MI-Based Debugger   1.0
Provides support for connecting Visual Studio to MI compatible debuggers

Microsoft.Pex.VisualStudio   1.0
Pex

NuGet Package Manager   3.2.0
NuGet Package Manager in Visual Studio. For more information about NuGet, visit http://docs.nuget.org/.

PreEmptive Analytics Visualizer   1.2
Microsoft Visual Studio extension to visualize aggregated summaries from the PreEmptive Analytics product.

SQL Server Data Tools   14.0.50616.0
Microsoft SQL Server Data Tools

Visual C++ for Cross Platform Mobile Development   1.0
Visual C++ for Cross Platform Mobile Development

Visual C++ for Cross Platform Mobile Development   1.0
Visual C++ for Cross Platform Mobile Development

Visual Studio Tools for Universal Windows Apps   14.0.23309.00 d14oob
The Visual Studio Tools for Universal Windows apps allow you to build a single universal app experience that can reach every device running Windows 10: phone, tablet, PC, and more. It includes the Microsoft Windows 10 Software Development Kit.

Xamarin   4.0.0.1689 (f860fe4)
Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.

Xamarin.Android   6.0.0.34 (3efa14c)
Visual Studio plugin to enable development for Xamarin.Android.

Xamarin.iOS   9.2.1.51 (3c0ec35)
Visual Studio extension to enable development for Xamarin.iOS.
Comment 2 Paul DiPietro [MSFT] 2015-11-25 13:45:18 UTC
A reproduction project would be very much appreciated in helping to investigate the issue as it does not appear to be reproducible without a specific context.
Comment 3 Samantha Houts [MSFT] 2016-04-13 18:38:38 UTC
Thank you for your bug report. As we have not received the information requested, we cannot properly triage your bug and are marking it resolved.

Warm regards,
Xamarin Forms Team