question: @ SuppressWarnings ( "unused" ) public void removeDecor ( Decor decor ) { int indexOfRemoved = mDecors . indexOf ( decor ) ; if ( indexOfRemoved < 0 ) { throw new IllegalArgumentException ( "Decor is not added to SparkleViewPagerLayout" ) ; } mDecors . remove ( decor ) ; removeDecorView ( decor ) ; }
target:  Remove Decor objects from this layout.