ios - xmpp Framework - detection of changing roster list -


how can detect roster list changed, body added or removed?

i use code roster list on startup

- (bool)xmppstream:(xmppstream *)sender didreceiveiq:(xmppiq *)iq { ddlogverbose(@"%@: %@ - %@", this_file, this_method, [iq elementid]);  nsxmlelement *queryelement = [iq elementforname: @"query" xmlns: @"jabber:iq:roster"]; if (queryelement) {     nsarray *itemelements = [queryelement elementsforname: @"item"];     //[self.cts removeallobjects];     (int i=0; i<[itemelements count]; i++)     {         nsstring *jid = [[[itemelements objectatindex:i] attributeforname:@"jid"] stringvalue];         [self.cts addobject:jid];     }     nslog(@"\nroster id's %@",self.cts); }

1) subsequent roster changes "pushed" iq packets contains "jabber:iq:roster" payload, need track "subscription" attribute of received items , make changes model. 2) xmppframework contains xmpproster extension, job you, activate extension, see xmppframework examples.


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