Cocoa Essential Training
Discover how to build desktop applications for the Mac by exploring the many frameworks and essential design patterns in Cocoa. Author Simon Allardice shows you how to create a better-looking user interface that works on multiple screen sizes with Mac OS X Lion. The course also demonstrates how to use the Cocoa frameworks to build several example applications, and reinforces the best practices to build apps and get them ready for the Mac App Store.
http://www.lynda.com/Mac-OS-X-tutorials/Cocoa-Essential-Training/85872-2.html?srchtrk=index%3A4%0Alinktypeid%3A2%0Aq%3Aiphone%20app%0Apage%3A1%0As%3Arelevance%0Asa%3Atrue%0Aproducttypeid%3A2