EDIT: This question was for the deprecated sherlock action bar. Android support library should be used instead now
I have added an action bar menu o
You are not chaining to the superclass in the activity methods. Please have onCreateOptionsMenu() return super.onCreateOptionsMenu(menu), and have onOptionsItemSelected() return super.onOptionsItemSelected(item) (except for the item that you are handling, which should return true to indicate that you have handled the event)