Retrieve messege in private chat

Smack Smack Dev
1

i try this code,

XMTPConnection connect;

connect = new XMPPConnection(host, port);

connect.addConnectionListener(this);

connect.login(user, password,“res”,true);

connect.addPacketListener(this,new MessageTypeFilter(Message.Type.GROUP_CHAT));

MultiUserChat m_multi = new MultiUserChat(connect, “hello@conference.java”);

after create muc i send the instance of muc in different class n create private chat the code is given below,

PrivateChat m_chat1=m_multi.createPrivateChat(Participant1);

m_chat1.addMessageListener(this);

m_chat1.sendMessage(“hi”+m_chat1.getParticipant());

but the problem is this i m unable to retrieve messege of private chat,it will retrieve when some action performing in muc.what i m doing wrong can anybody suggest me