Recent Writing

• Controller HierarchiesHow to structure multi-screen activities without reinventing the wheel.
• How I'd Learn iOS DevelopmentFrom time to time, people ask me how to learn iOS development. So here we go.
• The Trouble with Manager ObjectsThe first time I look at a legacy project, I scan for warning signs. Today I'll talk about "Manager" classes.
• Flaws of KVOIf you're sure you need an observer, Cocoa lets you choose between Notification Center and KVO. Which should you use? That's easy. Notification Center. Avoid KVO.
• Delegates vs ObserversCocoa provides a handful of patterns without much guidance on their use. Today, let's contrast delegates with observers.