With iPhone SDK and Leopard SDK, they introduced view controllers, or NSViewController and UIViewController. As their names suggest what they do is to manage views The view controllers are for managing views. Current trend in UI design is Single Window, Multiple View. What it means is that there is one Window and inside of it, … Read more
Beauty is subjective. For me, an Objective-C class is beautiful if it is readable (I know what it is supposed to do) and maintainable (I can see what parts are responsible for doing what). I also don’t like to be thrown out of reading code by an unfamiliar idiom. Sort of like when you are … Read more
I don’t know what is in the CDP that Steve referenced but basically the Objective-C Class Cluster is a construct that supports implementing the abstract Factory pattern. The idea is simple: You want to provide a Factory (Cluster) interface that, with minimal description, manufactures and returns a specific concrete instance of a Factory Object that … Read more