崩溃后无法重现.
我已经处理了这个案例：当一个viewcontroller动画时,不会对viewcontroller进行segueing.这里提到类似的问题：iOS app error – Can’t add self as subview.我已经实施了this安全隔离解决方案.
我仍然在跟踪崩溃.
注意：在iOS 7和8上都会崩溃,但iOS 8会出现更多崩溃.(如果这有帮助).即使从viewDidLoad中删除,也不会在模拟器中崩溃.
*** Terminating app due to uncaught exception 'NSInvalidArgumentException',reason: 'Can't add self as subview' Application Specific Backtrace 1: 0 CoreFoundation 0x24503f87 <redacted> + 126 1 libobjc.A.dylib 0x31c62c77 _objc_exception_throw + 38 2 CoreFoundation 0x24503ecd -[NSException initWithCoder:] + 0 3 UIKit 0x279880b3 -[UIView _addSubview:positioned:relativeTo:] + 114 4 UIKit 0x27988037 -[UIView addSubview:] + 30 5 UIKit 0x27b4d491 <redacted> + 1236 6 UIKit 0x2798e701 +[UIView performWithoutAnimation:] + 72 7 UIKit 0x27b4cd79 -[_UINavigationParallaxTransition animateTransition:] + 808 8 UIKit 0x27b0b787 -[UINavigationController _startCustomTransition:] + 2854 9 UIKit 0x27a2ab2f -[UINavigationController _startDeferredTransitionIfNeeded:] + 422 10 UIKit 0x27a2a931 -[UINavigationController __viewWillLayoutSubviews] + 44 11 UIKit 0x27a2a8c9 -[UILayoutContainerView layoutSubviews] + 184 12 UIKit 0x2797f25f -[UIView layoutSublayersOfLayer:] + 514 13 QuartzCore 0x273aa1d5 -[CALayer layoutSublayers] + 136 14 QuartzCore 0x273a5bd1 <redacted> + 360 15 QuartzCore 0x273a5a59 <redacted> + 16 16 QuartzCore 0x273a5447 <redacted> + 222 17 QuartzCore 0x273a5251 <redacted> + 324 18 UIKit 0x27980c31 <redacted> + 1384 19 CoreFoundation 0x244ca807 <redacted> + 14 20 CoreFoundation 0x244c9c1b <redacted> + 222 21 CoreFoundation 0x244c8299 <redacted> + 768 22 CoreFoundation 0x24415db1 _CFRunLoopRunSpecific + 476 23 CoreFoundation 0x24415bc3 _CFRunLoopRunInMode + 106 24 GraphicsServices 0x2b7a0051 _GSEventRunModal + 136 25 UIKit 0x279e0f01 _UIApplicationMain + 1440
