Bug 7022 - visual editor crashes
Summary: visual editor crashes
Status: RESOLVED DUPLICATE of bug 7149
Alias: None
Product: Android
Classification: Xamarin
Component: Designer ()
Version: 4.2.x
Hardware: PC Windows
: --- normal
Target Milestone: ---
Assignee: Lluis Sanchez
Depends on:
Reported: 2012-09-09 19:38 UTC by tophathacker
Modified: 2012-09-14 14:57 UTC (History)
1 user (show)

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

Notice (2018-05-24): bugzilla.xamarin.com is now in read-only mode.

Please join us on Visual Studio Developer Community and in the Xamarin and Mono organizations on GitHub to continue tracking issues. Bugzilla will remain available for reference in read-only mode. We will continue to work on open Bugzilla bugs, copy them to the new locations as needed for follow-up, and add the new items under Related Links.

Our sincere thanks to everyone who has contributed on this bug tracker over the years. Thanks also for your understanding as we make these adjustments and improvements for the future.

Please create a new report on Developer Community or GitHub with your current version information, steps to reproduce, and relevant error messages or log files if you are hitting an issue that looks similar to this resolved bug and you do not yet see a matching new report.

Related Links:

Description tophathacker 2012-09-09 19:38:08 UTC
here is the error message i get from monodevelop when i open an axml file. File worked before latest update.

System.NullReferenceException: Object reference not set to an instance of an object.
   at Xamarin.AndroidDesigner.Layouts.TableRow.AddMissingPlaceholders(Int32 ncols)
   at Xamarin.AndroidDesigner.Layouts.TableLayout.InitializeForDesigner()
   at Xamarin.AndroidDesigner.AndroidDesignerItem.InitializeForDesigner()
   at Xamarin.AndroidDesigner.AndroidDesignerSession.InitializeItem(AndroidDesignerItem item)
   at Xamarin.AndroidDesigner.AndroidDesignerSession.InitLayoutXml(LayoutInfo layout)
   at Xamarin.AndroidDesigner.AndroidDesignerSession.LoadLayoutXml(String path)
   at Xamarin.AndroidDesigner.AndroidDesignerSession.InitSession()
   at Xamarin.AndroidDesigner.AndroidDesignerSession.DoRefresh(Boolean asyncRefresh)
   at Xamarin.AndroidDesigner.AndroidDesignerSession.<Refresh>b__1f(Object )
   at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(Object state)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
Comment 1 Lluis Sanchez 2012-09-14 14:57:02 UTC
Marking as duplicate of 7149 since that one has more info.

*** This bug has been marked as a duplicate of bug 7149 ***