Conventions Used in This Book

This book guides you through the process of building iPad applications. Throughout, you use the provided iPad framework classes (and create new ones, of course) and code them by using the Objective-C programming language.

Code examples in this book appear in a monospaced font so that they stand out a bit better. That means the code you see will look like this:

#import <UIKit/ UIKit.h>

Objective-C is based on C, which (I want to remind you) is case-sensitive, so please enter the code that appears in this book exactly as it appears in the text. I also use the standard Objective-C naming conventions — for example, class names always start with a capital letter, and the names of methods and instance variables always start with a lowercase letter.

Let me throw out that all URLs in this book appear in a monospaced font as well, like this:

www.nealgoldstein.com

If you’re ever uncertain about anything in the code, you can always look at the source code at the website associated with this book or on my website at www.nealgoldstein.com . (You can grab the same material from the For Dummies website at www.dummies.com/go/ipadappdevfd3e ).

You’ll notice — starting around Chapter 8 — that I’ll be asking you to delete some of the code you have in place for your project in order to make room for some new stuff. When that happens, I’ll comment out the code (to make things really clear). I refer to code I want you delete as commented out, bold, underline, and italic ...

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