compile files('libs/jaxmpp-core-3.0.0-sources.jar')

public void 
 
Login() {

    String user = PreferenceUtils.getPrefString(context, PreferenceConstant.ACCOUNT, "");
String pass = PreferenceUtils.getPrefString(context, PreferenceConstant.PASSWORD, "");
jaxmpp = new Jaxmpp();
jaxmpp.getConnectionConfiguration().setServer(UrlConstant.HOSTER);
jaxmpp.getConnectionConfiguration().setPort(UrlConstant.PORT);
 
jaxmpp.getSessionObject().setUserProperty(Jaxmpp.AUTOADD_STANZA_ID_KEY, true);
jaxmpp.getConnectionConfiguration().setUserJID(BareJID.bareJIDInstance(user + "@host"));
jaxmpp.getConnectionConfiguration().setUserPassword(pass);
ThreadUtils.runInThread(new Runnable() {
        @Override
        public void 
 
run() {
            try {
                jaxmpp.login();
} catch (JaxmppException e) {
                e.printStackTrace();
L.e("asker", "jaxmpp登入失敗" + e.getMessage());
}
        }
    });
}

//登入的監聽
jaxmpp.addListener(Jaxmpp.Connected, new Listener<JaxmppCore.JaxmppEvent>() {
    @Override
    public void handleEvent(JaxmppCore.JaxmppEvent jaxmppEvent) throws JaxmppException {
        L.e("asker", "使用者登入成功 使用者名稱：" + jaxmppEvent.getSessionObject().getUserBareJid().getLocalpart()
        );
context.startService(new Intent(context, ReceiveMessageService.class));
}
});