PdfViewer crash on iOS with System.IndexOutOfRangeException: Index was outside the bounds of the array.

[Alexandr Mykhailov]

Hello!

PdfViewer crash with "System.IndexOutOfRangeException: Index was outside the bounds of the array." when I trying to load some pdf files.

On Android it works fine.

Full stack:

System.IndexOutOfRangeException: Index was outside the bounds of the array.

  at Syncfusion.SfPdfViewer.XForms.iOS.ScrollViewEx.ScrollViewEx_ZoomingEnded (System.Object sender, UIKit.ZoomingEndedEventArgs args) [0x004ba] in <79871341ceba485799b3444e14c1d86b>:0 

  at UIKit.UIScrollView+_UIScrollViewDelegate.ZoomingEnded (UIKit.UIScrollView scrollView, UIKit.UIView withView, System.nfloat atScale) [0x00012] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/UIKit/UIScrollView.g.cs:1532 

  at (wrapper managed-to-native) UIKit.UIApplication.UIApplicationMain(int,string[],intptr,intptr)

  at UIKit.UIApplication.Main (System.String[] args, System.IntPtr principal, System.IntPtr delegate) [0x00005] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/UIKit/UIApplication.cs:79 

  at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateCla

The app has been terminated.

ssName) [0x0002c] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/UIKit/UIApplication.cs:63 

  at GettingStarted.iOS.Application.Main (System.String[] args) [0x00001] in D:\GettingStarted-81946798\GettingStarted\GettingStarted\GettingStarted.iOS\Main.cs:17 

2019-05-24 18:18:30.223 GettingStarted.iOS[592:168879] Unhandled managed exception:

Index was outside the bounds of the array. (System.IndexOutOfRangeException)

  at Syncfusion.SfPdfViewer.XForms.iOS.ScrollViewEx.ScrollViewEx_ZoomingEnded (System.Object sender, UIKit.ZoomingEndedEventArgs args) [0x004ba] in <79871341ceba485799b3444e14c1d86b>:0 

  at UIKit.UIScrollView+_UIScrollViewDelegate.ZoomingEnded (UIKit.UIScrollView scrollView, UIKit.UIView withView, System.nfloat atScale) [0x00012] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/UIKit/UIScrollView.g.cs:1532 

  at (wrapper managed-to-native) UIKit.UIApplication.UIApplicationMain(int,string[],intptr,intptr)

  at UIKit.UIApplication.Main (Sy

stem.String[] args, System.IntPtr principal, System.IntPtr delegate) [0x00005] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/UIKit/UIApplication.cs:79 

  at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x0002c] in /Library/Frameworks/Xamarin.iOS.framework/Versions/12.8.0.2/src/Xamarin.iOS/UIKit/UIApplication.cs:63 

  at GettingStarted.iOS.Application.Main (System.String[] args) [0x00001] in D:\GettingStarted-81946798\GettingStarted\GettingStarted\GettingStarted.iOS\Main.cs:17

[Alexandr Mykhailov]

Sample project with pdf file (test.pdf) that reproduce exception is in attachments.

Attachment: GettingStarted_451f7558.zip

[Sathish Sivakumar]

Hi Alexandr,

Greetings from Syncfusion.

We are able to reproduce the issue “Application crashes with System.IndexOutOfRangeException while loading the specific PDF document” in our side. We have forwarded this issue to our development team for further analysis and we will update further details on 29th May 2019.

Regards,
Sathish

[Sathish Sivakumar]

Hi Alexandr, 

Thank you for your patience. 

We are confirmed that the issue “Application crashes with System.IndexOutOfRangeException while loading the specific PDF document” is a defect and logged a defect report for this issue. We will fix the issue and include the fix in our Essential Studio 2019 Volume 2 release which is expected to be rolled out by the end of June 2019.   

Thanks, 

Sathish