(Swift 3,4,5...) Twitter - Tweet with Multiple Images

Example to post a status update with multiple associated images/photos (or videos).

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // ----------------------------------------------------------------------
    // This initial setup, which involves setting the OAuth1 properties and connecting
    // to api.twitter.com, is only required once at the beginning.  Once connected, the same
    // object instance may be re-used, and if necessary, it will automatically reconnect
    // as needed.

    // Assume we've previously obtained an access token and saved it to a JSON file..
    let json = CkoJsonObject()!
    var success: Bool = json.loadFile("qa_data/tokens/twitter.json")

    let rest = CkoRest()!
    let oauth1 = CkoOAuth1()!

    oauth1.consumerKey = "TWITTER_CONSUMER_KEY"
    oauth1.consumerSecret = "TWITTER_CONSUMER_SECRET"
    oauth1.token = json.string(of: "oauth_token")
    oauth1.tokenSecret = json.string(of: "oauth_token_secret")
    oauth1.signatureMethod = "HMAC-SHA1"
    oauth1.genNonce(16)

    rest.setAuthOAuth1(oauth1, useQueryParams: false)

    var bAutoReconnect: Bool = true
    success = rest.connect("api.twitter.com", port: 443, tls: true, autoReconnect: bAutoReconnect)
    if success != true {
        print("\(rest.lastErrorText!)")
        return
    }

    // This ends the initial setup...
    // ----------------------------------------------------------------------

    var tweetContent: String? = "This is a test tweet with multiple images."

    // Send a tweet...
    rest.clearAllQueryParams()
    rest.addQueryParam("status", value: tweetContent)

    // Add list of comma separated media_ids to associate with the Tweet. 
    // You may include up to 4 photos or 1 animated GIF or 1 video in a Tweet.
    // The image needs to have been previously uploaded.  The upload response gave us
    // the media ID we'll use to associate this tweet with the image (or video)
    // See Twitter Upload Media for sample code.
    rest.addQueryParam("media_ids", value: "793137045996646400,793192201392041984")

    var resp: String? = rest.fullRequestFormUrlEncoded("POST", uriPath: "/1.1/statuses/update.json")
    if rest.lastMethodSuccess != true {
        print("\(rest.lastErrorText!)")
        return
    }

    let jsonResponse = CkoJsonObject()!
    jsonResponse.emitCompact = false
    jsonResponse.load(resp)

    if rest.responseStatusCode.intValue != 200 {
        print("\(jsonResponse.emit()!)")
        return
    }

    // Show the successful response:
    print("\(jsonResponse.emit()!)")
    print("Success.")

}