Swift GMail: Lists the messages in the user's mailbox.

Back to Index

Lists the messages in the user's mailbox.

Documentation: https://developers.google.com/gmail/api/v1/reference/users/messages/list

func chilkatTest() {
    let rest = CkoRest()
    var success: Bool

    //   Provide a previously obtained OAuth2 access token.
    let oauth2 = CkoOAuth2()
    oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN"
    rest.SetAuthOAuth2(oauth2)

    success = rest.Connect("www.googleapis.com", port: 443, tls: true, autoReconnect: true)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    let sbJson = CkoStringBuilder()
    success = rest.FullRequestNoBodySb("GET", uriPath: "/gmail/v1/users/me/messages", sb: sbJson)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    if rest.ResponseStatusCode.integerValue != 200 {
        print("Received error response code: \(rest.ResponseStatusCode.integerValue)")
        print("Response body:")
        print("\(sbJson.GetAsString())")
        return
    }

    let json = CkoJsonObject()
    json.LoadSb(sbJson)

    //  The following code parses the JSON response.
    //  A sample JSON response is shown below the sample code.
    var resultSizeEstimate: Int
    var i: Int
    var count_i: Int
    var id: String?
    var threadId: String?

    resultSizeEstimate = json.IntOf("resultSizeEstimate").integerValue
    i = 0
    count_i = json.SizeOfArray("messages").integerValue
    while i < count_i {
        json.I = i
        id = json.StringOf("messages[i].id")
        threadId = json.StringOf("messages[i].threadId")
        i = i + 1
    }

    print("Example Completed.")

}

Sample JSON Response Body

{
  "messages": [
    {
      "id": "15fc237e79da4174",
      "threadId": "15fc237e79da4174"
    },
    {
      "id": "15fc23688c553739",
      "threadId": "15fc23688c553739"
    },
    {
      "id": "15fbd37d3a8f9950",
      "threadId": "15fbd37d3a8f9950"
    },
    {
      "id": "15fb5e49b822ac1d",
      "threadId": "15fb5e49b822ac1d"
    },
    {
      "id": "15fb5e49b7a0739b",
      "threadId": "15fb5e49b7a0739b"
    }
  ],
  "resultSizeEstimate": 5
}