Android—Google's mobile operating system—is quickly becoming one of the most popular smartphone platforms. It’s used on numerous smartphones including the Google Nexus One™, Motorola Droid™, HTC Hero™ and others. The Android SDK (Software Developer Kit) provides the tools and APIs you’ll to develop Android apps. Start your search here to find Android videos, tools, tutorials, books, FAQs, apps and more. In the Android Resource Center, you'll find links to:

• “Meet Android 2.0,” from Android.com.
• The article, "Android vs iPhone Development: A Comparison," by David Green.
• The tutorial, "A Brief Guide for Creating Your First Android Application: Tip Calculator," from Data Springs, Inc.
• The video, “Build, Compile, and Test Your First Android Application,” with Tony Hillerson.
• The free e-Book, Android Programming, by Nicolas Gramlich.
• The article, "Application Fundamentals," from Android Developers.
• "A Visual Guide to Android GUI Widgets."
• An assortment of Android code including a voice recognition emulator, a WiFi scanner, a camera application and more.
• The Android APIs Package Index—a complete list of the APIs.
• The article, "Android Applications for Java ME Developers," from Motorola.
• "Common Tasks and How to Do Them in Android," from the Android Developers site.
• The sample chapter, “Operations Offered by the android.telephony Package,” from Mobile Phone Handheld Hardware, by Rick Rogers and John Lombardo.
• The article, "Basics of Android Location API," from the Android Competency Center.
• The tutorial, "2D Sprite Animation in Android," by Stephen Flockton.
• CommonsWare Android Components (CWAC)—open-source libraries for use in Android development.
• The article, "Getting Started in Android Game Development," by Robert Green.
• "Android Security Tutorial," by William Enck and Patrick McDaniel from Penn State University.
• Android tutorials, downloads, books, FAQs and more.