/// <summary>
        /// Loads the user information if available.
        /// <param name="userIds">The user ids to look up</param>
        /// <param name="callback">The callback</param>
        /// </summary>
        public void LoadUsers(string[] userIds, Action <IUserProfile[]> callback)
        {
            if (!IsAuthenticated())
            {
                GooglePlayGames.OurUtils.Logger.e("GetUserId() can only be called after authentication.");
                callback(new IUserProfile[0]);
            }

            mClient.LoadUsers(userIds, callback);
        }
 public void LoadUsers(string[] userIds, Action <IUserProfile[]> callback)
 {
     if (!IsAuthenticated())
     {
         Logger.e("GetUserId() can only be called after authentication.");
         callback((IUserProfile[])new IUserProfile[0]);
     }
     else
     {
         mClient.LoadUsers(userIds, callback);
     }
 }