import UIKit

import AVFoundation

let dictionary = ["aKey": "aValue","anotherKey": "anotherValue"]

let theJSONData = NSJSONSerialization.dataWithJSONObject(

dictionary,

options: NSJSONWritingOptions(0),

error: nil)

let theJSONText = NSString(data: theJSONData!,

encoding: NSASCIIStringEncoding)

println("JSON string = \(theJSONText!)")