JSON:Obtain single value from Web Service in JSON

Asked Oct 24 '15 at 12:54

Active Oct 24 '15 at 13:00

Viewed 38 times

I want to obtain a single value from a web service in JSON, just a file name i.e. "picture.png"; based on some parameters passed.

Can IOS (I guess NSJSONSerialization JSONObjectWithData:) handle this single value in JSON or on the server side should I have it send a dictionary key as in {"pic": "picture.gif"}

If there is no picture, I am returning "nopic" so again should I have it return "error" or {"error": "nopic"}

I gather the various JSON specifications are conflicting on this point so my interest is just practical...how best to handle this case.

Thanks for any guidance on this

edited May 23 '17 at 12:23

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asked Oct 24 '15 at 12:54

user1904273

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It is safier to send dict since it will be valid json. – user996142 Oct 24 '15 at 12:57
if you use like this `{"key": "error"}` and `{"key": "pic.jpe"}` it is east way to use – Ilesh P Oct 24 '15 at 13:42

IOS/Objective-C/JSON:Obtain single value from Web Service in JSON

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