Apple's June 1 64-bit deadline

let urlSession = NSURLSession.sharedSession()
let urlString = "https://api.soundcloud.com/me"
let urlComponents = NSURLComponents(string: urlString)!
urlComponents.queryItems = [ NSURLQueryItem(name: "oauth_token", value: "insert an OAuth token here")]
let url = urlComponents.URL!

let dataTask = urlSession.dataTaskWithRequest(NSURLRequest(URL: url)) { (data, response, error) -> Void in
   if let jsonOutput = NSJSONSerialization.JSONObjectWithData(data, options: nil, error: nil) as? [String:AnyObject] {
       // do stuff with JSON
   }
}

dataTask.resume()

import UIKit

class ViewController: UIViewController {
    func uploadTrack(title: String, trackPath: String) {
        let urlSession = NSURLSession.sharedSession()
        let urlRequest = getURLRequest(title, audioPath: trackPath)
        let task = urlSession.dataTaskWithRequest(urlRequest) { (data, response, error) -> Void in
            if let httpResponse = response as? NSHTTPURLResponse {
                println("returned \(httpResponse.statusCode)")
            }
            if data != nil, let response = NSString(data: data, encoding: NSUTF8StringEncoding) {
                println(response)
            }
            if let err = error {
                println(err)
            }
        }
        task.resume()
    }

    func getURLRequest(title: String, audioPath: String) -> NSURLRequest {
        let boundary = NSUUID().UUIDString
        let request = NSMutableURLRequest(URL: NSURL(string: "https://api.soundcloud.com/tracks")!)
        request.HTTPMethod = "POST"
        request.HTTPBody = getPostData("insert an OAuth token here", boundary: boundary, title: title, audioPath: audioPath)
        let contentType = "multipart/form-data; boundary=" + boundary
        request.setValue(contentType, forHTTPHeaderField: "Content-Type")
        return request
    }

    func getPostData(token: String, boundary: String, title: String, audioPath: String) -> NSData {
        let boundaryStart = "--\(boundary)\r\n"
        let boundaryEnd = "\r\n--\(boundary)--\r\n"
        let bodyData : NSMutableData = NSMutableData()

        // add the token
        var tokenSection = boundaryStart
        tokenSection += "Content-Disposition: form-data; name=\"oauth_token\"\r\n\r\n"
        tokenSection += "\(token)\r\n"
        bodyData.appendData(tokenSection.dataUsingEncoding(NSUTF8StringEncoding)!)

        // add the track title
        var titleSection = boundaryStart
        titleSection += "Content-Disposition: form-data; name=\"track[title]\"\r\n\r\n"
        titleSection += "\(title)\r\n"
        bodyData.appendData(titleSection.dataUsingEncoding(NSUTF8StringEncoding)!)

        // add the audio file
        let trackData = NSData(contentsOfFile: audioPath)!
        var trackSection = boundaryStart
        trackSection += "Content-Disposition: form-data; name=\"track[asset_data]\"; "
        trackSection += "filename=\"\(audioPath.lastPathComponent)\"\r\n"
        trackSection += "Content-Type: application/octet-stream\r\n"
        trackSection += "\r\n"
        bodyData.appendData(trackSection.dataUsingEncoding(NSUTF8StringEncoding)!)
        bodyData.appendData(trackData)
        bodyData.appendData(boundaryEnd.dataUsingEncoding(NSUTF8StringEncoding)!)
        return bodyData
    }
}