Part IV Event-Driven Applications
Here is where we have been heading and why you have been reading this book – writing iOS and Cocoa apps. In the next two chapters, you will get a taste of application development. Your applications will have a GUI (graphical user interface), and they will be event-driven.
First, you will write an iOS application and then a similar Cocoa application. Cocoa is the collection of frameworks written by Apple that you use to write applications on the Mac. You are already familiar with one of these frameworks – Foundation.
To write iOS apps, you use another set of frameworks called Cocoa Touch. Cocoa and Cocoa Touch have some frameworks in common, like Foundation. Others are specific to one platform ...
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