MagicLibrary

Go to Targer->Build Settings->All Search for "other linker flags", add "-ObjC" in other linker flags

References: Matt Thompson's NSHipster, http://nshipster.com/method-swizzling/

https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIView_Class/index.html#//apple_ref/occ/instm/UIView/initWithFrame:

https://developer.apple.com/library/ios/documentation/Cocoa/Reference/Foundation/Protocols/NSCoding_Protocol/index.html#//apple_ref/occ/intfm/NSCoding/initWithCoder: