Document Revision History

This table describes the changes to UIApplicationDelegate Protocol Reference.

2013-09-18Added methods introduced in iOS 7.
2012-09-19Added methods related to state preservation and restoration.
2011-10-12Describes the window property added in iOS 5.0.
2010-11-15Describes the application:openURL:sourceApplication:annotation: method, which was introduced in iOS 4.2.
2010-08-03Improved description of launchOptions parameter of application:didFinishLaunchingWithOptions:.
2010-05-11Updated for iOS 4.0
2009-11-17Marked all protocols as optional.
2009-05-19Corrected API symbols that link to descriptions in reference.
2009-03-08Added remote-notification methods.
2008-09-09Added link to companion document and noted which notifications are related to each delegate method.
2008-07-03New document that describes the protocol implemented by the delegate of a UIApplication object to respond to various system events.