Android is a free, open source, Java-based mobile platform developed by Google. Unlocking Android, Second Edition prepares the reader to embrace the Android mobile platform in easy-to-understand language and builds on this foundation with reusable Java code examples. It's ideal for corporate developers and hobbyists who have an interest, or a mandate, to deliver mobile software. Unlocking Android, Second Edition familiarizes the reader with the Android approach to mobile applications. The Android application framework is thoroughly explained and discussed within the current competitive landscape. Following the release of Android 2.0, this edition has been updated to cover hot topics such as Bluetooth integration, web development strategies, AppWidget framework, sensor management, the Android Native Development Kit, and localization.