The 2016 course has been updated with iOS 9 and Swift, with course prerequisites listed as C language and object-oriented programming experience exceeding Programming Abstractions level and completion of Programming Paradigms.
Stanford's "Developing iOS 9 Apps With Swift" can be subscribed to through iTunes or through the iTunes U app on the iPhone or iPad. Sessions will be released on a regular basis, with the first introductory lecture available now. [Direct Link]Updated for iOS 9 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.
Article Link: Stanford Offers New Course on Developing iOS 9 Apps With Swift