Download the first chapter of iPhone for Programmers: An App-Driven Approach by Paul Deitel, Harvey Deitel, Abbey Deitel, Eric Kern, and Michael Morgano. The chapter, "Introduction to iPhone App Development," looks at iPhone functionality, the updated features of the iPhone 3GS and the iPhone 3x operating system, the Cocoa frameworks, Objective-C programming and the iPhone SDK 3, design patterns, and object technology concepts — winding up with a walk-through of a sample app in the iPhone Simulator.
For more details about the book, please visit InformIT.
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Mary Weilage is a Feature Editor for CBS Interactive. She has worked for TechRepublic since 1999.