Document Revision History

This table describes the changes to UIButton Class Reference.

2013-09-18Added description for the UIButtonTypeSystem property, new in iOS 7; clarified the return value description for the attributedTitleForState: method.

Clarified the return value description in attributedTitleForState:.


Changed the code snippets in the descriptions of the imageView and titleLabel properties to employ the UIButtonTypeSystem constant, new in iOS 7.

2012-09-19Added a new interfaces related to styled-text support in iOS 6.
2011-10-12Updated for iOS 5.0.

Clarified descriptions of the contentEdgeInsets, titleEdgeInsets, and imageEdgeInsets properties.


Other minor improvements.


Updated for iOS 3.0.


Added descriptions for the titleLabel and imageView properties. Minor corrections.

2008-05-23New document that describes the class used to implement buttons on the touch screen.