Unable to Parse a JSON Object iOS Swift

Question

When I try to Parse a JSON object,

let json = try? JSONSerialization.jsonObject(with: reportData, options: []) as? [String : Any]

I get an error saying that

Cannot invoke 'jsonObject' with an argument list of type 'with:([String:Any]), options:[Any]'

Here is my reportData in JSON format, obtained from Server

{
    "status": "success",
    "statusCode": 200,
    "message": "Report exists",
    "patientReport": {
        "caseId": "case040784",
        "Observations": "These are test observations",
        "userUid": "MY5FDbl0bgZStAY5Ky6OtYAzbDT2",
        "nextSteps": "Here are my next steps",
        "customerUid": "customerUid",
        "results": {
            "test1": "12",
            "test3": "15",
            "test3": "12"
        }
    }
}

Could someone please guide me where I am going wrong.

Seems your jsonData is already a Swift Dictionary of type [String: Any]. You have no need to parse it. Just use it as a Swift Dictionary. — OOPer
– OOPer, Commented Jul 11, 2017 at 1:52

javimuu · Accepted Answer · 2017-07-11 01:56:55Z

2

This function:

jsonObject(with: Data, options: JSONSerialization.ReadingOptions = [])

requires two parameters with type Data and JSONSerialization.ReadingOptions.

Your reportData is Dictionary not a Data. So you can use it without parse to Dictionary.

answered Jul 11, 2017 at 1:56

javimuu

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Comments

Jeffery Thomas · Accepted Answer · 2017-07-11 02:09:52Z

0

Cannot invoke 'jsonObject' with an argument list of type 'with:([String:Any]), options:[Any]'

I think this may be the strangest thing I've seen today.

Reading this message literally says that reportData is of type ([String: Any])—A tuple containing a single value [String: Any].

After reading Creating Tuples For a Single Value, I see there is no difference between ([String: Any]) and [String: Any].

The other users have already answered it… You don't need to parse the already dictionary object, I just found the tuple thing intresting.

answered Jul 11, 2017 at 2:09

Jeffery Thomas

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