code: private void animateShowView(final int diff, final float animationSpeed,
                                   @NonNull final Interpolator interpolator) {
          animateView(diff, animationSpeed, createAnimationListener(true, false), interpolator);
      }
docs: Animates the view to become show.
  
  @param diff
  The distance the view has to be vertically moved by, as an {@link Integer} value
  @param animationSpeed
  The speed of the animation in pixels per milliseconds as a {@link Float} value
  @param interpolator
  The interpolator, which should be used by the animation, as an instance of the type
  {@link Interpolator}. The interpolator may not be null