MultiUserChat.addInvitationListener(connection, new org.jivesoftware.smackx.muc.InvitationListener() { public void invitationReceived(Connection conn, String room, String inviter,
MultiUserChat.addInvitationListener(connection, new org.jivesoftware.smackx.muc.InvitationListener() { public void invitationReceived(Connection conn, String room, String inviter,
MultiUserChat.addInvitationListener(connection, new org.jivesoftware.smackx.muc.InvitationListener() { public void invitationReceived(Connection conn, String room, String inviter,