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The iOS 4 Developer’s Cookbook: Core Concepts and Essential Recipes for iOS Programmers by Erica Sadun

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About the Sample Code

For the sake of pedagogy, this book’s sample code usually presents itself in a single main.m file. This is not how people normally develop iPhone or Cocoa applications, or should be developing them, but it provides a great way of presenting a single big idea. It’s hard to tell a story when readers must look through five or seven or nine individual files at once. Offering a single file concentrates that story, allowing access to that idea in a single chunk.

These examples are not intended as standalone applications. They are there to demonstrate a single recipe and a single idea. One main.m file with a central presentation reveals the implementation story in one place. Readers can study these concentrated ideas and transfer ...

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