In my android application which uses GPS, I have UI elemnts that should blink permanently. I was told after a couple of pilot runs that the blinking GPS icon, i.e. when GPS
You could hide the Status Bar altogether:
http://blog.thaichaiguy.com/1600/android-how-to-hide-the-status-bar-and-title-bar/
This is outside of the scope of the SDK and not possible.