The Android platform is a software stack for mobile devices including an operating system, middleware and key applications. Developers can create applications for the platform using the Android SDK. Applications are written using the Java programming language and run on Dalvik, a custom virtual machine designed for embedded use, which runs on top of a Linux kernel.
If you want to know how to develop applications for Android, you're in the right place. This site provides a variety of documentation that will help you learn about Android and develop mobile applications for the platform.

What's New in This Release:
Dependencies:
· Android SDK Platform-tools revision 12 or later.
· If you are developing in Eclipse with ADT, note that the SDK Tools r20 is designed for use with ADT 20.0.0 and later. If you haven't already, we highly recommend updating your ADT Plugin to 20.0.0.
· If you are developing outside Eclipse, you must have Apache Ant 1.8 or later.
General notes:
· Added new Device Monitor application, grouping Android debugging tools into a single application, including ddms, traceview, hierarchyviewer and Tracer for GLES.
· Added new System Trace new tool for tracing Android system activity. This tool allow you to capture a slice of system activity, plus additional information tagged from the Settings > Developer Options > Monitoring: Enable traces or with specific calls added to your application code.
· Build System
· Added automatic merging of library project manifest files into the including project's manifest. Enable this feature with the manifestmerger.enabled property.
· Added automatic ProG...