question: public void updateContents ( ) { clear ( ) ; String displayCategory = getDisplayCategory ( ) ; Display [ ] displays = mDisplayManager . getDisplays ( displayCategory ) ; addAll ( displays ) ; Log . d ( TAG , "There are currently " + displays . length + " displays connected." ) ; for ( Display display : displays ) { Log . d ( TAG , "  " + display ) ; } }
target:  Update the contents of the display list adapter to show information about all current displays.