Chat manager smack

ChatManager chatmanager = m_connection.getChatManager();
          chatmanager.addChatListener(new ChatManagerListener()
          {
            public void chatCreated(final Chat chat, final boolean createdLocally)
            {
              chat.addMessageListener(new MessageListener()
              {
                public void processMessage(Chat chat, Message message)
                {
                  System.out.println("Received message: "
                    + (message != null ? message.getBody() : "NULL"));
                  Log.i("CHAT USER", "Received message is: "+message.getBody());
                }
              });
            }
          });