code: public void setBackgroundPaint(final Paint PAINT) {
          if (null == backgroundPaint) {
              _backgroundPaint = PAINT;
              fireUpdateEvent(REDRAW_EVENT);
          } else {
              backgroundPaint.set(PAINT);
          }
      }
docs: Defines the Paint object that will be used to fill the clock background.
  This is usally a Color object.
  @param PAINT