&>A clear, easy-to-understand tutorial for developers who want to write software for today's hottest market: iPhone, iTouch, and App Store! The start-to-finish, hands-on introduction to iPhone programming for every developer, regardless of experience Introduces the iPhone development environment and teaches every essential Objective-C concept with fully-documented, carefully-explained code A complete tutorial package: step-by-step instructions, examples, Q and As, quizzes, exercises, tips, shortcuts, and more iPhone is the world's hottest application market: more than 500,000 developers have downloaded Apple's iPhone software development kit in just one year. Now there's a friendly, accessible guide to iPhone development for every programmer, regardless of experience. In just 24 lessons of one hour or less, Sams Teach Yourself iPhone Application Development in 24 Hours will help beginning iPhone and mobile developers gain true mastery, so you can construct virtually any iPhone application. Each lesson builds on everything that's come before, helping you learn all they need to know without ever becoming overwhelmed. Coverage includes: preparing for iPhone development; navigating the development environment; mastering Objective-C and the MVC paradigm; using widgets and webviews; implementing multiple views; reading and writing data; building user interfaces; generating graphics; playing media; using maps; networking; using the touch interface; sensing motion; pushing application updates; debugging; optimization; distributing software via the App Store; and more. By the time you are finished you'll be comfortable enough to write real-world apps that sell.