android - Issue in blocking user in chatlist using smack and open fire server -


i want block particular friend chat list xmpp. code works fine. there no exception, not able block user. i'm using open fire server. changes should made on server?

can u guys have idea?

my code:

public void xmppaddnewprivacylist(connection connection, string username) {      string listname = "newlist";      // create list of privacyitem allow or     // deny privacy aspect      list<privacyitem> privacyitems = new vector<privacyitem>();      privacyitem item = new privacyitem(privacyitem.type.jid.tostring(),             false, 1);     item.setvalue(username);     privacyitems.add(item);      // create new list.      try {         privacylistmanager privacymanager = new privacylistmanager(connection);         privacymanager = privacylistmanager                 .getinstancefor(connection);         privacymanager.createprivacylist(listname, privacyitems);      } catch (xmppexception e) {         system.out.println("privacy_error: " + e);     } }

try ... 

public boolean blockfriend(string friendname) {      privacyitem item=new privacyitem(privacyitem.type.jid,friendname, false, 7);     privacylistmanager privacymanager = privacylistmanager.getinstancefor(connection);     list<privacyitem> list=new arraylist<privacyitem>();     list.add(item);      try {         privacymanager.updateprivacylist(newlist, list);         privacymanager.setactivelistname(newlist);         return true;     } catch (smackexception.noresponseexception |xmppexception.xmpperrorexception | smackexception.notconnectedexception e) {         e.printstacktrace();         return false;     }   }

and unblock replace false true in object of privacyitem `


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