code: static Animation buildDefaultSlideOutUpAnimation(View croutonView) {
      if (!areLastMeasuredOutAnimationHeightAndCurrentEqual(croutonView) || (null == slideOutUpAnimation)) {
        slideOutUpAnimation = new TranslateAnimation(
          0, 0,                               // X: from, to
          0, -croutonView.getMeasuredHeight() // Y: from, to
        );
        slideOutUpAnimation.setDuration(DURATION);
        setLastOutAnimationHeight(croutonView.getMeasuredHeight());
      }
      return slideOutUpAnimation;
    }
docs: @param croutonView
  The croutonView which gets animated.
  
  @return The default Animation for a hiding {@link Crouton}.