final IChatManager icm = adapter.getChatManager();
icms = icm.getChatMessageSender();
itms = icm.getTypingMessageSender();
icm.addMessageListener(new IIMMessageListener() {
public void handleMessageEvent(IIMMessageEvent e) {
if (e instanceof IChatMessageEvent) {
displayMessage((IChatMessageEvent) e);
} else if (e instanceof ITypingMessageEvent) {
displayTypingNotification((ITypingMessageEvent) e);