How to Add a Drawable to your Project
A drawable resource is a general concept for a graphic that can be drawn to the screenThere are several types of drawables Choose a type from below you'd like to add to your project.
Bitmap File, Nine-Patch File, Layer List, State List, Level List, Transition Drawable, Inset Drawable, Clip Drawable, Scale Drawable, and Shape Drawable.
Related Articles:
Resources:
http://developer.android.com/guide/topics/resources/drawable-resource.html