How to make non-clickable App Icon on Action Bar like YouTube App in android -

i want add non clickable app icon on action bar youtube app have app icon on top-left of screen.currently app icon on action behave button.

please see know app icon:

http://developer.android.com/design/patterns/actionbar.html

i think looking getsupportactionbar().sethomebuttonenabled(false); appcompat. if aren't using appcompat, getactionbar().sethomebuttonenabled(false) assuming activity extending actionbaractivity.