Stanford has released a new course for iTunes University that will be a godsend to aspiring developers.Developing iOS 8 Apps with Swift currently consists of two lectures and accompanying slide shows, each clocking in at a little over an hour. Here's the complete overview.
Updated for iOS 8 and Swift. Tools and APIs required to build applications for the iPhone and iPad platforms using the iOS SDK. User interface design for mobile devices and unique user interactions using multi-touch technologies. Object-oriented design using model-view-controller paradigm, memory management, Swift programming language. Other topics include: animation, mobile device power management, multi-threading, networking and performance considerations.
Prerequisites: C language and object-oriented programming experience exceeding Programming Abstractions level, and completion of Programming
Recommended: UNIX, graphics, databases.