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This has been a dense chapter and fairly heavy going. However, the discussion of the MVC pattern should show you that this delegation of event handling and of populating data into the UI from the view to a controller class makes sense inside the confines of the pattern, and the availability of these features in Objective-C is one of the reasons why the MVC pattern has been widely adopted.
In this chapter, I was able to give you only a brief overview of Objective-C and the Cocoa Touch framework. Added levels of subtlety are involved in many of the things I covered, but I didn’t have the space to cover them here. My coverage of the basics should give you enough information so that you can pick up the rest as we go along. However, if you intend to develop for the iOS on a serious level, you should read up on the language in more detail. Apple provides some excellent tutorial material on its Developer website (http://developer.apple.com/iphone/), and that should certainly be your first port of call. However, I also suggest several other books for further reading in Chapter 14.