Is there a standard way to add dividers between action bar items in Android 3.0?

Question

I have a slight problem trying to customise the look of the action bar in my app. I want to be able to have the pixel wide dividers to group action bar items that you see in

Answer 1

When Google released the 3.0 SDK I got a quick demo app to see how the ActionBar works and just looking back at it, if I use Text Items without Icon drawables, then I get automatic dividers drawn.

My menu.xml file is like this:

Maybe this won't work with icons??

Or thinking about it, maybe the size of the icon has an effect?