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iOS Build a Weather App with Swift (Retired) Data Modeling With Structures Cleaning Up Our Date

Jason Teo
Jason Teo
Courses Plus Student 8,398 Points

I am not receiving any data output?

class ViewController: UIViewController {

private let apiKey = "6111785522cbc03124f6c419232df5fb"

override func viewDidLoad() {
    // Do any additional setup after loading the view, typically from a nib.
    let baseURL = NSURL(string: "https://api.forecast.io/forecast/\(apiKey)/")
    let forecastURL = NSURL(string: "37.8267,-122.423", relativeToURL: baseURL)

    let sharedSession = NSURLSession.sharedSession()
    let downloadTask: NSURLSessionDownloadTask = sharedSession.downloadTaskWithURL(forecastURL!, completionHandler: { (location: NSURL!, response: NSURLResponse!, error: NSError!) -> Void in //dl data asynchoronously

        if (error == nil) {
            let dataObject = NSData(contentsOfURL: location)
            let weatherDictionary: NSDictionary = NSJSONSerialization.JSONObjectWithData(dataObject!, options: nil, error: nil) as NSDictionary //convert JSON data to NSDictionary

            let currentWeather = Current(weatherDictionary: weatherDictionary)


I am not receiving any output from the println(currentWeather.temperature) statement. It seems that the downloadTask returned nothing too, out of a sudden.

1 Answer

I used your code and got an out put of optional(55)

if you can put your code from the file Current.swift ill have a look at it.