question: @ Override public Parcelable onSaveInstanceState ( ) { d ( "onSaveInstanceState" ) ; Bundle bundle = new Bundle ( ) ; bundle . putParcelable ( "instanceState" , super . onSaveInstanceState ( ) ) ; bundle . putBoolean ( "mOpen" , mOpen ) ; return bundle ; }
target:  Saves the state of the menu item as open or close to be able to handle device rotations.