http://developer.android.com/sdk/index.html
Installing the Eclipse - ADT plugin:
1. Open Eclipse
2. Go to HELP -> Install New Software
3. Click ADD to add the Google-ADT update site
4. Enter name: Google ADT
Enter site: https://dl-ssl.google.com/android/eclipse/
5. Click NEXT
6. Agree to Licence Agreement
7. Download and installation proceeds....
8. When prompted to Re-start click Yes.
9. NOTICE: Click on Window -> a new menu item
Android SDK and AVD Manager
10. Click Preferences ..Android Menu
11. Specify location of downloaded Android-SDK
