如何发送房间配置表单并使用smack 4.3.4从android创建持久化房间

implementation 'org.igniterealtime.smack:smack-android:4.3.4'
implementation 'org.igniterealtime.smack:smack-tcp:4.3.4'
implementation 'org.igniterealtime.smack:smack-im:4.3.4'
implementation 'org.igniterealtime.smack:smack-extensions:4.3.4'

XMPPTCPConnectionConfiguration config = XMPPTCPConnectionConfiguration.builder()
        .setXmppDomain("your-xmpp-domain")
        .setHost("your-xmpp-server-host")
        .setPort(5222)
        .build();

AbstractXMPPConnection connection = new XMPPTCPConnection(config);
connection.connect();

connection.login("your-username", "your-password");

MultiUserChatManager manager = MultiUserChatManager.getInstanceFor(connection);
MultiUserChat muc = manager.getMultiUserChat("room-jid@conference.your-xmpp-domain");
muc.create("your-nickname");

Form form = muc.getConfigurationForm();
Form submitForm = form.createAnswerForm();
submitForm.setAnswer("muc#roomconfig_persistentroom", true);
submitForm.setAnswer("muc#roomconfig_roomname", "Your Room Name");
submitForm.setAnswer("muc#roomconfig_roomdesc", "Your Room Description");
muc.sendConfigurationForm(submitForm);

connection.disconnect();