how to get number of offline messages in Agsxmpp?

Question

I am using Agsxmpp to implement XMPP protocol and want to know number of Offline messages that was sent for me. I know that by setting my state to available , sever send all offline messages, but I want to know number of offline message before come online.

Answer 1

When you server supports XEP-0013: Flexible Offline Message Retrieval you can retieve the number of offline messages like described here:
http://xmpp.org/extensions/xep-0013.html#request-number