U can integrate fb chat using facebook authentication or md5 digest ... the code listed there does not use any API keys or does not use digest md5 authentication ... So I'm not sure what it will be ... try .. . general architecture will
application ↔ xmpp ↔ BOSH ↔ Facebook chat Since fb supports the xmpp protocol, you can install the xmpp chat client using lib lik smack, strophe, asmack etc.
refer to http://professionalxmpp.com/..great to start with. The full idea of hw was moved abt ...
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