Android Drag onto screen layout

How would you recreate the drag onto screen layout/effect similar to the one on some android home screen devices?

Specifically there is a bar at the top of the home screen and that you can put your finger on and drag down. When you dr开发者_如何学JAVAag it another screen comes down from the top of the screen. On my phone this screen has shortcust to wifi, bluetooth, gps, etc..

You want to use a slidingdrawer control. Here is a tutorial: http://android-journey.blogspot.com/2009/12/android-viewflipper-and-slidingdrawer.html