How to build Instant Messenger in iphone

iphone objective-c instant-messaging
satya picture satya · Dec 16, 2010 · Viewed 11.3k times · Source

I'm looking into building an IM-type application for iphone using Objective-C . I'd be interested to see any information/advice on how applications like Skype/AIM/MSN work, as well as any technologies/APIs that might be relevant,can any one provides relevant material or links ....thanku in advance

Answer

shein picture shein · Dec 16, 2010

The main protocol used to connect to those services (or even your own) is XMPP (also known as Jabber.

It connects to a Jabber/XMPP server that manages the sessions. XMPP works with Skype, Google Talk, Facebook chat and many more.

I've successfully implemeted a google chat app using this open source XMPP library that fits in very well into iPhone:

http://code.google.com/p/xmppframework/wiki/iPhone

Update

Library now moved to GitHub: github.com/robbiehanson/XMPPFramework as Raspu pointed out

You should be able to rather easily get that up and running. It even comes with a Google talk example.

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