I am developing apps using Android Studio.
I was able to run the test code.
But, I do not know how to get code coverage in android studio.
I have a
Android studio gradle has inbuilt Jacoco plugin which you can use to find code coverage. I have written as article to step by step configure jaococo to find code coverage for Espresso test case but you can use it for Robotium as well. check this out.
http://qaautomated.blogspot.in/2016/03/how-to-find-code-coverage-with-jacoco.html