what should I do in my app to support sending data between two iphones in wifi?

what should I do in my app to support sending data between two iphones in wifi or bluetooth? for example I want to send text from one device and receive and open the tex开发者_如何学Got in the other device?

You could check out what Bump has to offer:

The Bump API uses the Bump matching technology to identify another mobile phone and then creates a messaging channel between the two handsets. Your users will be able to establish connections, exchange data, authenticate interactions...

Updated: You could also have a look at Apple's GameKit which offers peer-to-peer connectivity.