code: private void configureShowAnimator(@NonNull final View animatedView,
                                         @NonNull final RectangleRevealAnimation animation,
                                         @NonNull final ViewPropertyAnimator animator) {
          int horizontalWindowInset =
                  getDialog().getWindowInsetLeft() + getDialog().getWindowInsetRight();
          int verticalWindowInset =
                  getDialog().getWindowInsetTop() + getDialog().getWindowInsetBottom();
          float translationX = 0;
          float translationY = 0;
  
          if (animation.getX() != null) {
              translationX = animation.getX() - animatedView.getLeft() - horizontalWindowInset;
          }
  
          if (animation.getY() != null) {
              translationY = animation.getY() - animatedView.getTop() - verticalWindowInset;
          }
  
          if (animation.getWidth() != null) {
              int viewWidth = animatedView.getWidth() - horizontalWindowInset;
              translationX -= (float) (viewWidth - animation.getWidth()) / 2f;
              animatedView.setScaleX((float) animation.getWidth() / (float) viewWidth);
              animator.scaleX(1);
          }
  
          if (animation.getHeight() != null) {
              int viewHeight = animatedView.getHeight() - verticalWindowInset;
              translationY -= (float) (viewHeight - animation.getHeight()) / 2f;
              animatedView.setScaleY((float) animation.getHeight() / (float) viewHeight);
              animator.scaleY(1);
          }
  
          if (animation.getAlpha() != null) {
              animatedView.setAlpha(animation.getAlpha());
              animator.alpha(1);
          }
  
          if (translationX != 0) {
              animatedView.setTranslationX(translationX);
              animator.translationX(0);
          }
  
          if (translationY != 0) {
              animatedView.setTranslationY(translationY);
              animator.translationY(0);
          }
      }
docs: Configures an animator, which should be used to show the dialog using a rectangular reveal
  animation.
  
  @param animatedView
  The animated view as an instance of the class {@link View}. The view may not be null
  @param animation
  The animation as an instance of the class {@link RectangleRevealAnimation}. The
  animation may not be null
  @param animator
  The animator, which should be configured, as an instance of the class {@link
  ViewPropertyAnimator}. The animator may not be null