@UiHandler ("friendAddButton")
public void handleFriendAddButtonClick(final ClickEvent event) {
FriendAddOptions friendAddOptions = FriendAddOptions.createFriendAddOptions(friendAddIDTextBox.getText());
Log.info("Friend add options: " + friendAddOptions.toJSONString());
FBGWT.UI.addFriend(DisplayFormats.Dialog, friendAddOptions, new AsyncCallback<FriendAddCallbackResponse>() {
@Override
public void onFailure(final Throwable caught) {
handleError("Error adding friend", caught);