this template did not produce a java class or an interface android studio

Then look for Editor -> File and Code Templates in the left hand pane.

You have two ways you can change this...

1) Select the Includes tab and edit the Created by... text directly.

2) Select the Templates tab and edit the #parse("File Header.java") line for any template that you desire.

Personally I followed option 1) and made the default header comment a TODO, e.g.

/**
 * TODO: Add a class header comment!
 */

These instructions are based on Android Studio v0.3.7. and also tested on v