Using the code-heavy tutorials and expert advice, you'll quickly be able to build cool mobile apps and run them on dozens of Android-based smartphones. You'll explore and use the Android APIs, including those for media, sensors, and long-running services. And you'll check out what's new with Android 3.0, including the improved UI across all Android platforms, drag and drop, fragment dialogs, and more, giving you the knowledge to create stunning, cutting-edge apps, while keeping you agile enough to respond to changes in the future.