Smack and Openfire Interaction?

How do they pass messages between them? what are the classes involved?

Do you understand what Smack and Openfire are?

Openfire is a XMPP based messaging server.

Smack is a XMPP client library.

XMPP is an XML based messaging standard so they pass XML back and forth.

You use Smack to send message to/from an Openfire server just like you would to any XMPP based server such as the servers run by and

So the question you’re asking is basically how do I use Smack which is answered in the Smack documentation.