private int ensureHeightGridAligned(int height){
  float gridOverhang=height % FOUR_DIP;
  if (gridOverhang != 0) {
    extraBottomPadding=(int)(FOUR_DIP - Math.ceil(gridOverhang));
  }
  return extraBottomPadding;
}

private int ensureHeightGridAligned ( int height ) { float gridOverhang = height % FOUR_DIP ; if ( gridOverhang != 0 ) { extraBottomPadding = ( int ) ( FOUR_DIP - Math . ceil ( gridOverhang ) ) ; } return extraBottomPadding ; }
ensure that height is a multiple of 4dp .
