code: @Deprecated
      public void showOverlay() {
          if (rippler.overlayRect != null) {
              rippler.overlayRect.outAnimation.stop();
          }
          rippler.createOverlay();
          rippler.overlayRect.inAnimation.play();
      }
docs: this method will be set to private in future versions of JFoenix,
  user the method {@link #setOverlayVisible(boolean)}