We have an existing java code base where we use intellij idea for development.
We are building an android application where we will be sharing code and other resourc
For Android development, you would be best off using Android Studio (preview 1.3 is now available).
Since Android Studio is based in Intellij, your "learning curve" should not be a problem.
For using "common resources", I assume you are referring to code ... and that should be in a repository (git / github / ...).