Q:

Android: gmail app like setting button

You may be familiar with the gmail button on the top left corner of the gmail app for android.  And the same button is in google chrome too.  Now I am working on an app that have the same button at the same place as the gmail app has.  I want to get some help from you people, that how should I start it what should I do for it.  Please give me an idea to start it.  below is the image

A:

Most of the Google's apps use ActionBar which is the box at the top the application. 
Read More:
http://developer.android.com/guide/topics/ui/actionbar.html

