61     private ValueAnimator mDropAnim = null;  field in DragLayer
727         if (mDropAnim != null) mDropAnim.cancel();  in animateView()
742         mDropAnim = new ValueAnimator();  in animateView()
743         mDropAnim.setInterpolator(interpolator);  in animateView()
744         mDropAnim.setDuration(duration);  in animateView()
745         mDropAnim.setFloatValues(0f, 1f);  in animateView()
746         mDropAnim.addUpdateListener(updateCb);  in animateView()
747         mDropAnim.addListener(new AnimatorListenerAdapter() {  in animateView()
764         mDropAnim.start();  in animateView()
768         if (mDropAnim != null) {  in clearAnimatedView()
769             mDropAnim.cancel();  in clearAnimatedView()