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