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iOS Network Programming with Swift 2 Fetching Data From the Web Constructing a URL

Danny Kilkenny
Danny Kilkenny
4,507 Points
Posted by Danny Kilkenny
Danny Kilkenny
4,507 Points

Having trouble with an error in the code of Constructing a URL video

I have an error that keeps popping up that says "Cannot cover value of type 'NSURL?' to expected argument type 'URL?' "

Can anyone help explain why this error keeps popping up? I am using swift 3.0 FYI 

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.

        let icon = WeatherIcon.PartlyCloudyDay.image
        let currentWeather = CurrentWeather(temperature: 56.0, humidity: 1.0, precipitationProbability: 1.0, summary: "Wet and Rainy", icon: icon)

        display(weather: currentWeather)

        let baseURL = NSURL(string: "https://api.forecast.io/forecast/\(forecastAPIKey)")
        let forecastURL = NSURL(string: "37.8267,-122.423", relativeTo: baseURL)


    }

1 Answer

Danny Kilkenny
Danny Kilkenny
4,507 Points
Danny Kilkenny
Danny Kilkenny
4,507 Points

I actually figured out the solution to the problem. Here is the code if anyone has this problem in the future: 

let baseURL = URL(string: "https://api.forecast.io/forecast/\(forecastAPIKey)/")
        let forecastURL = URL(string: "37.8267,-122.423", relativeTo: baseURL!)