Setup up your development environment takes several steps.

1) Download Eclipse:

2) Unzip and launch.

3) Download the sdk:

4) Unzip the sdk and place it in your eclipse folder.

5) Download the Eclipse ADT plugin directly from Eclipse. Use: https://dl-ssl.google.com/android/eclipse/

6) Then configure Android in Eclipse to point to the SDK folder. This is done in Eclipse preferences folder.

When your ready to start programming create a new project and select Android.

Yes I know this isn’t very informative, with regard to programming, but it will get you up and running with your environment.