I like to see that Soroush and I think among the same lines. For one, that makes me feel less like a loony. And since he writes a lot more in recent months, it means my sloppy blogging schedule does not affect spreading ancient wisdom. In February, Soroush blogged about writing “Just Controllers”: service objects, usually reference types, that you use to orchestrate processes and offer a simpler API. Requiring a delegate to be plugged-in is one way to design a simpler API: the delegate procotol defines all the output events from the service object, or controller. That’s all there is going to happen as far as outside code is concerned. But on its inside, the controller can do the fanciest of things to accomplish its goal. These implementation details are hidden from code that uses these service objects. It’s object-oriented programming 101 all over again – encapsulation, information hiding, stuff like that. But, and this is a big But, the go-to massive view controllers in iOS apps are a symptom of not encapsulating properly. Go and delineate a few more boundaries inside your app. As with raising children, boundaries help your code grow properly, too!
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