I have created a new android project. I want to have a action bar at the top so I downloaded the Action Bar for Android Library because I want to support devices from androi
Now you can use it
Checkout this documentation on how to reference a library project in eclipse.
From the link above:
Plus to the "best answer", at step 8, if you don't see the project, go to the project what you would like to add as a library and
and you can again follow the instruction and you should see the desirable project.