/Objc-Deallocating

Primary LanguageObjective-C

Objc-Deallocating

Tested on iOS 16.0 ~ iOS 16.3.1

1. Crash on unoffical input method keyboad showing up when double tapping TextField that with some few words

2. The TextField should be stay on the top half part of the screen. No creash if the TextField is on the bottom half of the screen

objc[15904]: Cannot form weak reference to instance (0x13b5d7000) of class _UIRemoteInputViewController. It is possible that this object was over-released, or is in the process of deallocation.

objc_msgSend$_wantsForwardingFromResponder:toNextResponder:withEvent:

* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
    frame #0: 0x00000001f3ff9bc4 libsystem_kernel.dylib`__abort_with_payload + 8
    frame #1: 0x00000001f401bc14 libsystem_kernel.dylib`abort_with_payload_wrapper_internal + 104
    frame #2: 0x00000001f401bbac libsystem_kernel.dylib`abort_with_reason + 32
    frame #3: 0x00000001b0cf385c libobjc.A.dylib`_objc_fatalv(unsigned long long, unsigned long long, char const*, char*) + 116
    frame #4: 0x00000001b0cf37e8 libobjc.A.dylib`_objc_fatal(char const*, ...) + 32
    frame #5: 0x00000001b0cc6b50 libobjc.A.dylib`weak_register_no_lock + 392
    frame #6: 0x00000001b0ccb808 libobjc.A.dylib`objc_storeWeak + 448
    frame #7: 0x00000001b9bade3c UIKitCore`_UIResponderForwarderWantsForwardingFromResponder + 736
    frame #8: 0x00000001b9ac3470 UIKitCore`__forwardTouchMethod_block_invoke + 44
    frame #9: 0x00000001b790a7dc CoreFoundation`__NSSET_IS_CALLING_OUT_TO_A_BLOCK__ + 24
    frame #10: 0x00000001b798b5a4 CoreFoundation`-[__NSSetM enumerateObjectsWithOptions:usingBlock:] + 200
    frame #11: 0x00000001b9c90e4c UIKitCore`forwardTouchMethod + 236
    frame #12: 0x00000001b9b8b0c4 UIKitCore`-[UIWindow _sendTouchesForEvent:] + 356
    frame #13: 0x00000001b9b8a684 UIKitCore`-[UIWindow sendEvent:] + 3284
    frame #14: 0x00000001b9b89944 UIKitCore`-[UIApplication sendEvent:] + 672
    frame #15: 0x00000001b9b89000 UIKitCore`__dispatchPreprocessedEventFromEventQueue + 7088
    frame #16: 0x00000001b9bd0d64 UIKitCore`__processEventQueue + 5632
    frame #17: 0x00000001ba817a30 UIKitCore`updateCycleEntry + 168
    frame #18: 0x00000001ba0df678 UIKitCore`_UIUpdateSequenceRun + 84
    frame #19: 0x00000001ba71e904 UIKitCore`schedulerStepScheduledMainSection + 172
    frame #20: 0x00000001ba71dad0 UIKitCore`runloopSourceCallback + 92
    frame #21: 0x00000001b79d622c CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 28
    frame #22: 0x00000001b79e2614 CoreFoundation`__CFRunLoopDoSource0 + 176
    frame #23: 0x00000001b796651c CoreFoundation`__CFRunLoopDoSources0 + 244
    frame #24: 0x00000001b797beb8 CoreFoundation`__CFRunLoopRun + 836
    frame #25: 0x00000001b79811e4 CoreFoundation`CFRunLoopRunSpecific + 612
    frame #26: 0x00000001f07a1368 GraphicsServices`GSEventRunModal + 164
    frame #27: 0x00000001b9e30d88 UIKitCore`-[UIApplication _run] + 888
    frame #28: 0x00000001b9e309ec UIKitCore`UIApplicationMain + 340

How to fix?

  • Developing an App-Store App, drag UIWindow+FixCrashOnInputKeyboard.h/m to your xcode project and done.
  • Not care about App-Store review such as Enterprise App, use UITouch+FixCrashOnInputKeyboard.h/m + ObjcUtil.h/m for more more efficient.