Understand Android OS for both smartphone and tablet programmingThis fast-paced introduction to the newest release of Android OS gives aspiring mobile app developers what they need to know to program for today's hottest Android smartphones and tablets. Android 4 OS is, for the first time, a single solution for both smartphones and tablets, so if you master the information in this helpful guide, you'll be well on your way to successful development for both devices. From using activities and intents and creating rich user interfaces to working with SMS, messaging APIs, and the Android SDK, what you need is here. Provides clear instructions backed by real-world programming examplesBegins with the basics and covers everything Android 4 developers need to know for both smartphones and tabletsExplains how to customize activities and intents, create rich user interfaces, and manage dataHelps you work with SMS and messaging APIs, the Android SDK, and using location-based servicesDetails how to package and publish your applications to the Android MarketBeginning Android 4 Application Development pares down the most essential steps you need to know so you can start creating Android applications today.