Bug 4566 - ZoomingPDFViewer does not launch successfully, as it gives the FATAL UNHANDLED EXCEPTION in the MonoDevelop console.
Summary: ZoomingPDFViewer does not launch successfully, as it gives the FATAL UNHANDLE...
Alias: None
Product: iOS
Classification: Xamarin
Component: General ()
Version: 5.3.x
Hardware: PC Mac OS
: --- normal
Target Milestone: Untriaged
Assignee: Sebastien Pouliot
Depends on:
Reported: 2012-04-20 13:04 UTC by PJ
Modified: 2012-04-20 15:16 UTC (History)
2 users (show)

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

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Description PJ 2012-04-20 13:04:40 UTC
Steps to reproduce:
1. Open the sample application "ZoomingPdfViewer".
2. Select the active configuration as Release.
3. Run the application.
4. Observe that FATAL UNHANDLED EXCEPTION appears in the MonoDevelop console.

Actual result: When Run the solution the application does not launch successfully, as it gives the error in the MonoDevelop console, i.e. FATAL UNHANDLED EXCEPTION.

Expected result: The application should run successfully without throwing any error/exception.

Stack trace of the error:

[ERROR] FATAL UNHANDLED EXCEPTION: MonoTouch.UIKit.UIKitThreadAccessException: UIKit Consistency error: you are calling a UIKit method that can only be invoked from the UI thread.
at MonoTouch.UIKit.UIApplication.EnsureUIThread () [0x0001f] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:50 
at MonoTouch.UIKit.UIView.get_Bounds () [0x00000] in /Developer/MonoTouch/Source/monotouch/src/UIKit/UIView.g.cs:1174
at ZoomingPdfViewer.TiledLayerDelegate.DrawLayer (MonoTouch.CoreAnimation.CALayer layer, MonoTouch.CoreGraphics.CGContext context) [0x00000] in <filename unknown>:0

Found on:
MT 5.3.3
Mono 2.10.9
Mac 10.7.3
On both Release and Debug mode.
monotouch-samples, branch monotouch-5.4
Comment 1 Sebastien Pouliot 2012-04-20 15:16:04 UTC
Fixed in abf3bb1a94d4bf56fd40c8783d1b5b55829128ce (master, since 5.4 branch will be merged there)