/** {@inheritDoc} */
  @Override
  public boolean isLoggedIn() {
    SoomlaUtils.LogDebug(TAG, "isLoggedIn");

    try {
      return isInitialized && (twitter.getOAuthAccessToken() != null);
    } catch (Exception e) {
      return false;
    }
  }
  private UserProfile createUserProfile(User user, boolean withExtraFields) {
    String fullName = user.getName();
    String firstName = "";
    String lastName = "";

    if (!TextUtils.isEmpty(fullName)) {
      String[] splitName = fullName.split(" ");
      if (splitName.length > 0) {
        firstName = splitName[0];
        if (splitName.length > 1) {
          lastName = splitName[1];
        }
      }
    }
    Map<String, Object> extraDict = Collections.<String, Object>emptyMap();
    if (withExtraFields) {
      extraDict = new HashMap<String, Object>();
      // TwitterException will throws when Twitter service or network is unavailable, or the user
      // has not authorized
      try {
        extraDict.put("access_token", twitter.getOAuthAccessToken().getToken());
      } catch (TwitterException twitterExc) {
        SoomlaUtils.LogError(TAG, twitterExc.getErrorMessage());
      }
    }
    // Twitter does not supply email access: https://dev.twitter.com/faq#26
    UserProfile result =
        new UserProfile(
            RefProvider,
            String.valueOf(user.getId()),
            user.getScreenName(),
            "",
            firstName,
            lastName,
            extraDict);

    // No gender information on Twitter:
    // https://twittercommunity.com/t/how-to-find-male-female-accounts-in-following-list/7367
    result.setGender("");

    // No birthday on Twitter:
    // https://twittercommunity.com/t/how-can-i-get-email-of-user-if-i-use-api/7019/16
    result.setBirthday("");

    result.setLanguage(user.getLang());
    result.setLocation(user.getLocation());
    result.setAvatarLink(user.getBiggerProfileImageURL());

    return result;
  }