Jeff Kelley discusses Objective-C basics – properties, categories – and more advanced features – linking, ARC, creating classes at runtime, memory management and tagged pointers.
Phil Nash discusses iOS development, from the idiosyncrasies of Objective-C to how to test a mobile app to getting an app on the app store and getting it noticed.
Pete Goodliffe presents advanced techniques for creating iOS apps based on real life examples that show how to make the most of Objective-C, how to create Retina apps, and others.
Graham Lee discusses some of the vulnerabilities that may affect Objective-C programming, offering solutions to avoid them.
Adrian Kosmaczewski makes an introduction to iOS development, presenting the language used, the graphic interface, API, IDE, tools, native apps vs. web, publishing apps, and recommended books.