iPhone / Android: what protocol stacks do apps use for connecting to centralised services?

Posted by Richard on Stack Overflow See other posts from Stack Overflow or by Richard
Published on 2010-06-16T16:17:24Z Indexed on 2010/06/16 16:42 UTC
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Hi All,

Aplogies for the ignorant question, I have no experience with app development on any mobile platform. Basically what I want to know is what communication protocols do apps typically use for accessing/querying centralised services? E.g if I port a webapp/service to iPhone/Andriod, typically how would I access/query this web service in my app? E.g is it over HTTP, or are there other protocols?

Also, presumably the GUI of an app is constructed with Apple/Andriod GUI libraries (in java? cocoa?). Can an app GUI be defined with HTML/javascript like a webpage?

Sorry again for the pure noob questions.

Thanks

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