Apple’s iOS SDK provides you with a vast library of objects arranged into several frameworks. As a result, you’ll spend a lot more time sending messages to objects that are ready-made for your use than creating new ones. Let’s begin our look at iOS by exploring several of these objects and how they’re arranged. We’ll […]
As you’ve seen, iOS has a complex and deep structure of classes. In this section, we look at object creation, memory management, event response, and lifecycle management. Two of the most important classes are NSObject and UIResponder, which contain many of the methods and properties you’ll use throughout your programming. Thanks to inheritance, these important […]