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Picker crashes silently in iOS

Open egealpay opened this issue 2 years ago • 2 comments

In debug mode, it happens most of the time. In release mode, it rarely happens.

Here is the logs:

2023-02-01 14:51:57.004808+0300 ...[83201:930071] *** Assertion failure in -[UIPickerTableView _createPreparedCellForGlobalRow:withIndexPath:willDisplay:], UITableView.m:16485
2023-02-01 14:51:57.015592+0300 ...[83201:930071] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'UITableView internal inconsistency: cannot create a cell with a nil index path for global row 8.'
*** First throw call stack:
(
	0   CoreFoundation                      0x000000011d56f8ab __exceptionPreprocess + 242
	1   libobjc.A.dylib                     0x0000000112636ba3 objc_exception_throw + 48
	2   Foundation                          0x00000001158b90cc _userInfoForFileAndLine + 0
	3   UIKitCore                           0x0000000141639d1e -[UITableView _createPreparedCellForGlobalRow:withIndexPath:willDisplay:] + 2289
	4   UIKitCore                           0x00000001415fe8aa -[UITableView _updateVisibleCellsForRanges:createIfNecessary:] + 797
	5   UIKitCore                           0x00000001415ff1e4 -[UITableView _updateVisibleCellsNow:] + 1838
	6   UIKitCore                           0x0000000141621159 -[UITableView layoutSubviews] + 205
	7   UIKitCore                           0x000000014136c35f __35-[UIPickerTableView layoutSubviews]_block_invoke + 74
	8   UIKitCore                           0x00000001419cd9ef +[UIView(Animation) performWithoutAnimation:] + 84
	9   UIKitCore                           0x000000014136c30f -[UIPickerTableView layoutSubviews] + 80
	10  UIKitCore                           0x00000001419db59f -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 2305
	11  QuartzCore                          0x000000011403c02c _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 526
	12  QuartzCore                          0x00000001140475b9 _ZN2CA5Layer28layout_and_display_if_neededEPNS_11TransactionE + 65
	13  QuartzCore                          0x0000000113f58b0c _ZN2CA7Context18commit_transactionEPNS_11TransactionEdPd + 626
	14  QuartzCore                          0x0000000113f9069b _ZN2CA11Transaction6commitEv + 735
	15  QuartzCore                          0x0000000113f91b64 _ZN2CA11Transaction25flush_as_runloop_observerEb + 60
	16  CoreFoundation                      0x000000011d4ce055 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
	17  CoreFoundation                      0x000000011d4c89c2 __CFRunLoopDoObservers + 515
	18  CoreFoundation                      0x000000011d4c8f0d __CFRunLoopRun + 1161
	19  CoreFoundation                      0x000000011d4c86a7 CFRunLoopRunSpecific + 560
	20  GraphicsServices                    0x000000012111328a GSEventRunModal + 139
	21  UIKitCore                           0x00000001413a8ad3 -[UIApplication _run] + 994
	22  UIKitCore                           0x00000001413ad9ef UIApplicationMain + 123
	23  ...                              0x00000001042554f8 main + 104
	24  dyld                                0x000000010fd352bf start_sim + 10
	25  ???                                 0x000000020795e310 0x0 + 8717198096
)
libc++abi: terminating with uncaught exception of type NSException
Message from debugger: Terminated due to signal 6

egealpay avatar Feb 01 '23 12:02 egealpay

I am also getting this error but only when I have more than ~50 options in the picker. It doesn't seem to have any hard limit but the more options you add, the more often it will crash with the above error.

icsdevs avatar Feb 08 '23 14:02 icsdevs

I am also getting this error but only when I have more than ~50 options in the picker. It doesn't seem to have any hard limit but the more options you add, the more often it will crash with the above error.

Interesting, I tried to reduce the number of options but it didn't help :/

egealpay avatar Feb 10 '23 06:02 egealpay