Covers i OS 6 Xcode 4.5+ iPhone iPad & More! Figures & code appear as they do in Xcode 4.5+ In just 24 sessions of one hour each learn how to build powerful applications for todays hottest handheld devices: the iPhone & iPad! Using this books straightforward step-by-step approach youll master every skill & technology you need from setting up your i OS development environment to building great responsive user interfaces from sensing motion to writing multitasking applications. Each lesson builds on what youve already learned giving you a rock-solid foundation for real-world success! Step-by-step instructions carefully walk you through the most common i OS development tasks. Activities at the end of each chapter help you test your knowledge. Notes present interesting information related to the discussion. Tips offer advice or show you easier ways to perform tasks. Cautions alert you to possible problems & give you advice on how to avoid them. * Printed in full color * Covers i OS 6.0 & up * Use the new Objective-C NSArray NSDictionary & NSNumber Data Type shortcuts introduced in Xcode 4.5.2 * Learn to navigate the Xcode 4.5 + development environment * Prepare your system & i Device for efficient development * Get started quickly with Apples Objective-C & Cocoa Touch * Understand the Model-View-Controller (MVC) development paradigm * Visually design & code interfaces using Xcode storyboards segues exits & the i OS Object Library * Use Auto Layout to adapt to different screen sizes & orientations * Build advanced UIs with tables split views navigation controllers & more * Read & write preferences & data & create System Settings plug-ins * Use the i OS media playback & recording capabilities * Take photos & manipulate graphics with Core Image * Sense motion orientation & location with the accelerometer gyroscope & GPS * Integrate online services using Twitter Facebook Email Web Views & Apple Maps * Create universal applications that run on both the iPhone & iPad * Write background-aware multitasking applications * Trace & debug your applications as they run