Auto Layout In iOS 8 - layoutDebuggingIdentifierAnother new identifier Apple added in iOS 8 is the private API property _layoutDebuggingIdentifier to UIView that you can use to clean up what is output in _autolayoutTrace. Since it is private API, you don’t want to ship with this code in because Apple will likely reject it, but for debugging purposes it can be mostly harmless. Mostly. There’s no easy way to set the _layoutDebuggingIdentifier ide
