transparent Actionbar with AppCompat-v7 21

Question

Is there a way to make the ActionBar transparent in Material Design via Appcompat-v7 21? This is not working unfortunately.

Answer 1

None of the above did the trick for me (or at least not by themselves) using appcompat v7 23 and a CoordinatorLayout, which is most likely the culprit. If you are going that route, then you probably have a main activity layout that looks like

    

    
        
     ...

Notice the two layout anchor lines above - those did it for me.