The professional programmer's DEITEL(R) guide to iPhone app development using iPhone SDK 3.x, Xcode(R), Objective-C(R) and Cocoa(R) More than 1.5 billion iPhone apps were downloaded from Apple's App Store in just one year! This book gives you everything you'll need to start developing great iPhone apps quickly and--once you've joined Apple's fee-based iPhone Developer Program--to get them up and running on the App Store. The book uses an app-driven approach--each new technology is discussed in the context of 14 fully tested iPhone apps (7700 lines of code), complete with syntax shading, code walkthroughs and sample outputs. Apps you'll develop include: \* Welcome \* Spot-On Game \* Route Tracker \* Tip Calculator \* Cannon Game \* Slideshow \* Favorite Twitter(R) Searches \* Painter \* Voice Recorder \* Flag Quiz Game \* Address Book \* Twitter(R) Discount AirfaresBy Chapter 3 you'll be building apps using Xcode(R), Cocoa(R) and Interface Builder