code: public void setShadowRadius(float shadowRadius) {
  		this.shadowRadius = dpToPx(shadowRadius);
  		if (isShadowResponsiveEffectEnabled()) {
  			((ShadowResponsiveDrawer) shadowResponsiveDrawer).setCurrentShadowRadius(getShadowRadius());
  		}
  		requestLayout();
  		LOGGER.trace("Action Button shadow radius changed to: {}", getShadowRadius());
  	}
docs: Sets the <b>Action Button</b> shadow radius and
  invalidates the layout of the view
  <p>
  Must be specified in density-independent (dp) pixels, which are
  then converted into actual pixels (px). If shadow radius is set to 0,
  shadow is removed
  <p>
  Additionally sets the {@link #shadowResponsiveDrawer} current radius
  in case if Shadow Responsive Effect enabled
  
  @param shadowRadius shadow radius specified in density-independent
  (dp) pixels