code: private void clearHotspots() {
          if (mRipple != null) {
              mRipple.end();
              mRipple = null;
              mRippleActive = false;
          }
  
          if (mBackground != null) {
              mBackground.end();
              mBackground = null;
              mBackgroundActive = false;
          }
  
          cancelExitingRipples();
      }
docs: Cancels and removes the active ripple, all exiting ripples, and the background. Nothing will
  be drawn after this method is called.