Navigation bar's hidesBarsOnSwipe animation crashes app when swipe gesture recognizer is added to table view.
| Originator: | aflinder_99 | ||
| Number: | rdar://20000000 | Date Originated: | 9/3/2015 |
| Status: | Open | Resolved: | |
| Product: | iOS | Product Version: | iOS 8.4.1 |
| Classification: | Crash | Reproducible: | Always |
Summary: When my navigation bar's hidesBarsOnSwipe animation is activated and I add my own UISwipeGestureRecognizer to my UITableView, swiping the table causes an application crash. I believe this is related to: https://openradar.appspot.com/21910679 I filed a bug report with Apple's Bug Reporter. Steps to Reproduce: 1. Create a view controller with a UITableView and an embedded navigation controller. 2. Set your navigation bar's hidesBarsOnSwipe boolean to true to animate the navigation bar when the user scrolls the table view. 3. Add a left or right UISwipeGestureRecognizer to the table view. 4. When side-swiping a cell in the table view, the application crashes. Expected Results: Swiping a cell in the table view works properly and does not crash the application. Actual Results: Swiping a cell in the table view causes an animation error and the app crashes. Version: iOS 8.4.1 (12H321) Notes: The animation crash only occurs when I add a UISwipeGestureRecognizer to the table view. I believe that the gesture recognizer for the hidesBarsOnSwipe functionality and the one I added are interfering with each other. Configuration: iPhone 5S 64 GB AT&T Attachments: 'Feed iOS crash info.rtf' was successfully uploaded. 2015-08-11 16:56:25.188 Home Feed prototype[491:96252] Touch: Failed to receive system gesture state notification before next touch 2015-08-11 16:56:25.189 Home Feed prototype[491:96252] Gesture: Failed to receive system gesture state notification before next touch 2015-08-12 09:29:34.879 Home Feed prototype[620:133585] *** Assertion failure in -[_UIAnimationCoordinator finishInteractiveAnimation], /SourceCache/UIKit/UIKit-3347.44.2/_UIAnimationCoordinator.m:167 2015-08-12 09:29:34.883 Home Feed prototype[620:133585] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Trying to finish an interactive transition that was not started interactively' *** First throw call stack: (0x184ae42d8 0x1967b00e4 0x184ae4198 0x185998ed4 0x189c49ab4 0x189897dd8 0x1896f3070 0x18958c6b4 0x1899fd38c 0x189550418 0x18954e7c4 0x18958a82c 0x189589ee4 0x18955d120 0x1897fe2b8 0x18955b634 0x184a9c240 0x184a9b4e4 0x184a99594 0x1849c52d4 0x18e41b6fc 0x1895c2f40 0x1000a7748 0x196e5aa08) libc++abi.dylib: terminating with uncaught exception of type NSException 2015-08-11 16:10:15.910 Home Feed prototype[476:94615] *** Assertion failure in -[_UIAnimationCoordinator finishInteractiveAnimation], /SourceCache/UIKit/UIKit-3347.44.2/_UIAnimationCoordinator.m:167 2015-08-11 16:10:15.914 Home Feed prototype[476:94615] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Trying to finish an interactive transition that was not started interactively'
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