code: public static void link (Activity context, String token, String secret, SocializeAuthListener listener) {
  		proxy.link(context, token, secret, listener);
  	}
docs: Links the current user to their Twitter account using an existing Twitter oAuth token and secret.
  @param context The current activity.
  @param token The user's Twitter token.
  @param secret The user's Twitter token secret.
  @param listener A listener to handle the result.