The Android SDK has the tools, sample code, and docs you need to create great apps. Here´s an overview of the steps you must follow to set up the Android SDK: Prepare your development computer and ensure it meets the system requirements. Install the SDK starter package. Install the ADT Plugin for Eclipse (if you´ll be developing in Eclipse). Add Android platforms and other components to your SDK. Explore the contents of the Android SDK (optional). Supported Development Environments:Eclipse IDE: Eclipse 3.4 (Ganymede) or greater Eclipse JDT plugin (included in most Eclipse IDE packages) If you need to install or update Eclipse, you can download it from http://www.eclipse.org/downloads/. Several types of Eclipse packages are available for each platform. For developing Android applications, we recommend that you install one of these packages: - Eclipse IDE for Java Developers - Eclipse Classic (versions 3.5.1 and higher) - Eclipse IDE for Java EE Developers JDK 5 or JDK 6 (JRE alone is not sufficient) Android Development Tools plugin (recommended) Not compatible with Gnu Compiler for Java (gcj)