code: public boolean feed_publishActionOfUser(CharSequence title, CharSequence body)
      throws FacebookException, IOException {
      return feed_publishActionOfUser(title, body, null);
    }
docs: Publish the notification of an action taken by a user to newsfeed.
  @param title the title of the feed story (up to 60 characters, excluding tags)
  @param body (optional) the body of the feed story (up to 200 characters, excluding tags)
  @return whether the story was successfully published; false in case of permission error
  @see <a href="http://wiki.developers.facebook.com/index.php/Feed.publishActionOfUser">
  Developers Wiki: Feed.publishActionOfUser</a>