Circular exit animation

AnimationUtils.java

public class AnimationUtils {
  //...
  
  public static void startCircularExitAnimation(final Context context, final View view, final RevealAnimationSetting revealSettings, final int startColor, final int endColor, final Dismissible.OnDismissedListener listener) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
      int cx = revealSettings.getCenterX();
      int cy = revealSettings.getCenterY();
      int width = revealSettings.getWidth();
      int height = revealSettings.getHeight();
      int duration = context.getResources().getInteger(android.R.integer.config_mediumAnimTime);

      float initRadius = (float) Math.sqrt(width * width + height * height);
      Animator anim = ViewAnimationUtils.createCircularReveal(view, cx, cy, initRadius, 0);
      anim.setDuration(duration);
      anim.setInterpolator(new FastOutSlowInInterpolator());
      anim.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
          listener.onDismissed();
        }
      });
      anim.start();
      startColorAnimation(view, startColor, endColor, duration);
    } else {
      listener.onDismissed();
    }
  }
}

//We use this to remove the Fragment only when the animation finished
interface Dismissible {
  interface OnDismissedListener {
    void onDismissed();
  }

  void dismiss(OnDismissedListener listener);
}