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I am a Ruby on Rails developer and I have a question about iOS development.
How do iPhone applications typically interact with a server?
For example, let’s say you wish to send GPS coords from the iPhone to the server to be stored or processed. How is that typically done? Is it through a typical server API (like JSON)?
Sorry for such a basic question.
EDIT: Thanks for the answers below. Now, how about pushing data from the server to the iPhone app (without a request). How is that done?
The communication format is usually XML or JSON via HTTP call, but it depends on your data you wish to communicate between server and app. You may use socket connection.