Sparkle 2 API Reference
These are the primary classes and protocols in Sparkle 2 you may be interested in:
SPUStandardUpdaterControllerfor creating a standard updater (encapsulates a
SPUUpdaterfor invoking update checks and retrieving updater properties.
SPUUpdaterDelegatefor delegation methods to control the behavior of
SPUUserDriverfor making custom user interfaces.
Please also visit the Basic Setup guide which shows how to instantiate an updater in a nib or how to create one programmatically.