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officialdoniald / Xamarin.Forms.Save.Open.PDF

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Crashes on iOS Emulator #11

Open Muhammadfaizann opened 2 years ago

Muhammadfaizann commented 2 years ago

SaveAndView function throws the following exception. Exception Name NSInvalidArgumentException Message

Native stack trace:
    0   CoreFoundation                      0x000000010f35f604 __exceptionPreprocess + 242
    1   libobjc.A.dylib                     0x000000011f168a45 objc_exception_throw + 48
    2   CoreFoundation                      0x000000010f3e0c63 _CFThrowFormattedException + 200
    3   CoreFoundation                      0x000000010f3eb137 -[__NSPlaceholderDictionary initWithObjects:forKeys:count:].cold.5 + 0
    4   CoreFoundation                      0x000000010f3cd928 -[__NSPlaceholderDictionary initWithObjects:forKeys:count:] + 243
    5   CoreFoundation                      0x000000010f35e258 +[NSDictionary dictionaryWithObjects:forKeys:count:] + 49
    6   QuickLook                           0x000000010ef005de __49+[QLItem(PreviewInfo) contentTypesToPreviewTypes]_block_invoke + 484
    7   libdispatch.dylib                   0x000000012065fb25 _dispatch_client_callout + 8
    8   libdispatch.dylib                   0x0000000120660cdd _dispatch_once_callout + 20
    9   QuickLook                           0x000000010ef003f8 +[QLItem(PreviewInfo) contentTypesToPreviewTypes] + 46
    10  QuickLook                           0x000000010ef00d39 -[QLItem(PreviewInfo) _uncachedPreviewItemTypeForContentType:] + 117
    11  QuickLook                           0x000000010ef012a6 -[QLItem(PreviewInfo) _previewItemTypeForType:] + 150
    12  QuickLook                           0x000000010ef010ac -[QLItem(PreviewInfo) _getPreviewItemType] + 61
    13  QuickLook                           0x000000010ef884da -[QLItem previewItemType] + 59
    14  QuickLook                           0x000000010ef37d1d +[QLItemFetcherFactory fetcherForPreviewItem:] + 90
    15  QuickLook                           0x000000010ef87ba3 -[QLItem fetcher] + 44
    16  QuickLook                           0x000000010eeeb828 -[QLPreviewController previewItemAtIndex:withCompletionHandler:] + 153
    17  QuickLook                           0x000000010ef217af __63-[QLPreviewItemStore previewItemAtIndex:withCompletionHandler:]_block_invoke + 262
    18  QuickLook                           0x000000010ef55629 QLRunInMainThread + 51
    19  QuickLook                           0x000000010ef2167a -[QLPreviewItemStore previewItemAtIndex:withCompletionHandler:] + 181
    20  QuickLook                           0x000000010eee5847 -[QLPreviewController internalCurrentPreviewItem] + 222
    21  QuickLook                           0x000000010ef65148 -[QLPreviewController(Overlay) _actionButton] + 344
    22  QuickLook                           0x000000010ef65824 -[QLPreviewController(Overlay) _toolBarButtonsWithTraitCollection:] + 1147
    23  QuickLook                           0x000000010ef63307 -[QLPreviewController(Overlay) _updateOverlayButtonsIfNeededWithTraitCollection:animated:updatedToolbarButtons:] + 129
    24  QuickLook                           0x000000010ef629aa -[QLPreviewController(Overlay) updateOverlayAnimated:animatedButtons:forceRefresh:withTraitCollection:] + 152
    25  QuickLook                           0x000000010eee56af -[QLPreviewController _setCurrentPreviewItemIndex:updatePreview:animated:] + 230
    26  QuickLook                           0x000000010eeeb3be -[QLPreviewController reloadData] + 418
    27  QuickLook                           0x000000010ef76332 -[QLPreviewController(Transitions) animatorForShowing:previewController:presentingController:] + 86
    28  UIKitCore                           0x00000001364ac4d0 -[UIViewController _customAnimatorForPresentedController:presentingController:sourceController:] + 163
    29  UIKitCore                           0x00000001364b2533 -[UIViewController _presentViewController:withAnimationController:completion:] + 4826
    30  UIKitCore                           0x00000001364b337b __63-[UIViewController _presentViewController:animated:completion:]_block_invoke + 98
    31  UIKitCore                           0x00000001364b36b1 -[UIViewController _performCoordinatedPresentOrDismiss:animated:] + 519
    32  UIKitCore                           0x00000001364b32d9 -[UIViewController _presentViewController:animated:completion:] + 173
    33  UIKitCore                           0x00000001364b3767 -[UIViewController presentViewController:animated:completion:] + 155
    34  HealthSafetyApp.iOS                 0x000000010519f5dc xamarin_dyn_objc_msgSendSuper + 220
    35  ???                                 0x00000001709c2f54 0x0 + 6184251220

Reason *** -[__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from objects[2]

SaltyTiefling commented 1 year ago

Same issue Although what iOS version are you useing cause for me it does work on 16.2 but not on 15.4