Android how can we design a menu for a list view similar to that of android 4.1 ICS?

Question

I am new to Android and I am developing an app in android 2.1. The UI has a list view in it and on focusing the list shows a dropdown menu as in this image:

http://developer.android.com/design/media/app_structure_gmail.png

How can I design a menu for a list view similar to this?

Answer 1

Did not get you , even your link is not working. Might be you are talking about Expandable list like this.

Look at above link.