code: public final void setShadowLayer(final float radius, final float dx, final float dy,
                                       final int color) {
          getView().setShadowLayer(radius, dx, dy, color);
      }
docs: Gives the text a shadow of the specified blur radius and color, the specified distance from
  its drawn position. <p> The text shadow produced does not interact with the properties on
  view that are responsible for real time shadows, {@link View#getElevation() elevation} and
  {@link View#getTranslationZ() translationZ}.
  
  @see Paint#setShadowLayer(float, float, float, int)