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I need to create an app that does some communication with a server.
My app must post some requests to server, to aspx webservices. Then get back some JSON/XML response.
The question is do I need Core Data?
IMHO it would be enough to have a UIViewController with text field items and to perform submit to provided server webservice URL. The result could be processed with some Json/XML parser library and showed in UITableViewController.
So, I not sure do I have to use Core Data? And why? 🙂
I’m not sure you understand what core data is.
Core data is a way of communicating to localised sqlite databases without using sql code (as it were). It effectively creates objects that you can use to manipulate and use databases.
To download and post data to and from the internet you don’t need to use it at all, unless you want to store the data when you would use it to download the data and store it in a localised database for use later.
A better way to do this though would be to just download the XML/json file directly to the working directory of the app and use it from there (if you want offline/cached use from it).