m_connection.addPacketListener(new PacketListener() {
    public void processPacket(Packet packet) {
        Message message = (Message) packet;
            if (message.getBody() != null) {
            String fromName = StringUtils.parseBareAddress(message.getFrom());
            m_discussionThread.add(fromName + ":");
            m_discussionThread.add(message.getBody());

            m_handler.post(new Runnable() {
            public void run() {
            m_discussionThreadAdapter.notifyDataSetChanged();
            }
            });
        }
    }
}, filter);