code: @Override
      public Animator getInAnimator(View target, SlideShowView parent, int fromSlide, int toSlide) {
          target.setAlpha(0);
          target.setScaleX(1);
          target.setScaleY(1);
          target.setTranslationX(0);
          target.setTranslationY(0);
          target.setRotationX(0);
          target.setRotationY(0);
  
          ObjectAnimator animator = ObjectAnimator.ofFloat(target, View.ALPHA, 1);
          animator.setDuration(getDuration());
          animator.setInterpolator(getInterpolator());
          return animator;
      }
docs: ==