How to invoke the ActionBar's ContextMenu-like behavior?

Question

In Android 3.0, when you select some text for example, the ActionBar switches to a ContextMenu-like mode, which enables you to do actions with the selected text: copy/share/

Answer 1

Maybe a bit late but here's a tutorial for the actionmode: http://www.vogella.com/articles/AndroidListView/article.html#listview_actionbar