/** Merge the given PageFloatyFox into the primary. */
  private void mergeFloater(final PageFloatyFox newFloater) {
    // Get location of primary.
    int[] primaryLocation = new int[2];
    primaryFloatyFox.getLocationOnScreen(primaryLocation);
    AnimationUtils.convertToLayoutSpaceForView(primaryLocation, primaryFloatyFox);

    OverlayAnimation translation =
        OverlayAnimation.TransformTo(newFloater, 500, primaryLocation[0], primaryLocation[1]);
    translation.addListener(
        new AnimatorListenerAdapter() {
          @Override
          public void onAnimationEnd(Animator animation) {
            // Upon reaching the primary, vanish.
            newFloater.destroy();
          }
        });

    translation.start();
  }