UIAppearance setTranslucent error: Illegal property type, c for appearance setter, _installAppearanceSwizzleForSetter

Question

Trying out iOS 7 did:

[[UINavigationBar appearance] setTranslucent:NO];

Got crash and error:

*** Terminating app due to          


        

Answer 1

[[UINavigationBar appearance] setTranslucent:NO] 

It is not available iOS 6.It is only available in iOS 7 onward.