CODEWITHSUNDEEP
iosjsonxcodestructdeclare
iospuzzled
iospuzzled

Reputation: 13

How to define structure in iOS XCode for JSON?

Being new to iOS, XCode I'm trying to create a structure to represent JSON data. However, regardless of what I try for defining "segments" (which consists of a int and an array of strings) XCode just errors out and when I try to follow suggested fixes it just generates other errors.

Anybody know how to actually define a structure for JSON that is named, e.g., not using "ANY", since all the name-value pairs and data types are known?

Example XCODE (one variation shown below, though dozens have been tried and generates errors):

struct Information: Decodable {
    var entry: [Entry]
}
struct Entry: Decodable {
    var section: Int
    ***ERROR HERE ->*** var segments: Array<var id: Int, var values: Array<String>>
}

Example JSON:

{
  "entry": [
    {
      "section": 1,
      "segments": [
        {
          "id": 1,
          "values": ["1", "2", "3"]
        },
        {
          "id": 2,
          "values": [ "4", "5", "6" ]
        }
      ]
    },
    {
      "section": 2,
      "segments": [
        {
          "id": 1,
          "values": ["7", "8", "9"]
        },
        {
          "id": 2,
          "values": [ "a", "b", "c" ]
        }
      ]
    }
  ]
}

Upvotes: 0

Views: 59

Answers (1)

vadian
vadian

Reputation: 285079

It's the same as on the top level: You have to create a struct for the lower level.

struct Information: Decodable {
    let entry: [Entry]
}
struct Entry: Decodable {
    let section: Int
    let segments: [Segment]
}
struct Segment: Decodable {
    let id: Int 
    let values: [String]
}

Upvotes: 1

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