I have dropdown list in actionbar as navigation list. Using ActionBar.OnNavigationListener and onNavigationItemSelected to detect when user has
The problem here is the same as with any other Spinner. The workariund for this is clearly described here: Spinner : onItemSelected not called when selected item remains the same
However for the ActionBar the solution can be a bit tricky (except for when you are using the ActionBarSherlock and can explicitly mess with its code)