Use tab to change focus in an android application

Programming for android: Use tab to change focus in an android application on newest questions tagged android – Stack Overflow

i am new to android programming.
I want to use TAB(in keyboard) to change focus to the next edittext box.
Please tell me how to do it.

source: http://stackoverflow.com/questions/11166431/use-tab-to-change-focus-in-an-android-application
Programming for android: programming-for-android