Why not work muc.invite() ?
and work
muc.grantAdmin("user2@jabber.org");
http://www.igniterealtime.org/builds/smack/docs/latest/documentation/extensions/ muc.htmlhttp://www.igniterealtime.org/builds/smack/docs/latest/documentation/extensions/ muc.html#afiliation
This form works, but the logic is wrong, not ?
Who can tell me ? I need understand Full Muc