Fitbit.NET async

  /// <summary>
  /// Get a specific user's profile
  /// </summary>
  /// <param name="encodedUserId"></param>
  /// <param name="callback"></param>
  /// <returns></returns>
  public void GetUserProfile(string encodedUserId, Action<UserProfile, FitbitException> callback)
  {
    string apiCall;

    if (string.IsNullOrEmpty(encodedUserId))
	    apiCall = "/1/user/-/profile.xml";
    else
	    apiCall = string.Format("/1/user/{0}/profile.xml", encodedUserId);

    var request = new RestRequest("/1/user/-/profile.xml") {RootElement = "user"};

    restClient.ExecuteAsync<UserProfile>(request, response =>
	    {
		    try
		    {
			    HandleResponseCode(response.StatusCode);
			    callback(response.Data, null);
		    }
		    catch (FitbitException e)
		    {
			    callback(response.Data, e);
		    }
	    });
  }