iphone - How can i show user avatar image using xmpp framework in objective c? -


i creating chat application iphone using xmppframework. want display user list in uitableview user name , photo, , using 

nsdata *photodata = [[[self appdelegate] xmppvcardavatarmodule] photodataforjid:user.jid]; if (photodata != nil)     cell.imageview.image = [uiimage imagewithdata:photodata]; else     cell.imageview.image = [uiimage imagenamed:@"blank_image~iphone.png"];

but returns nil always.

please help..

nsdata *photodata = uiimagepngrepresentation([[[self appdelegate] xmppvcardavatarmodule] photodataforjid:user.jid]);  if (photodata)     cell.imageview.image = [uiimage imagewithdata:photodata]; else     cell.imageview.image = [uiimage imagenamed:@"blank_image~iphone.png"];

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