Set up Android development environment

1) Software requirements

• Download Android SDK from here.
• Download JDK 6 from here.
• Download eclipse 3.6.2 or a higher version. (Indigo)

2) Install JDK and set the environment variables

3) Install Android SDK and set the path variable to installation location's platform-tools folder.

4) Install recommended packages for the android development. Go to SDK manager and install the required packages.More info.

5) Install the android eclipse plugins. This the URL

https://dl-ssl.google.com/android/eclipse/

More info

6) Start the developments.  Refer.