client: smack 4.1.1
server:openfire 3.9.2
try {
List rooms = MultiUserChatManager.getInstanceFor(XmppConnectionManager.getInstance().getConnection()).getJoinedRooms(user);
Mylog.e(TAG, “-----------------------------------------room size:”+rooms.size()+"------------------------------------------------------");
} catch (SmackException.NoResponseException e) {
e.printStackTrace();
} catch (XMPPException.XMPPErrorException e) {
e.printStackTrace();
} catch (SmackException.NotConnectedException e) {
e.printStackTrace();
}