I have already checked this post: How to download dependency sources for Gradle project in IDEA?
But it didn\'t work for me. Maybe it is because they are referring t
As we can see the answer from Xavier Ducrohet (Android SDK Tech Lead Google Inc.), as of July 26, 2013:
I don't think Gradle handles this at this point. I've talked to the devs and they are aware of it. We're looking at adding a hook in Gradle so that we can do it when the tooling API queries the model.