As of January 2012, developer.android has a rather decent design section at http://developer.android.com/design/index.html. This is a good place to start.

While developer focused, this is a great list of resources for Android OS work.

UI Guidelines:

Stencils & Templates:

Tests & Defaults:

Tools & Templates - Android OS (last edited 2013-10-02 16:58:33 by shoobe01)