private let issLocationAPIURL = URL(string: "http://api.open-notify.org/iss-now.json")!
let locationRequest = AGSRequestOperation(url: issLocationAPIURL)
Error:
App Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app's Info.plist file.
Solution:
Update Resources > Stopfinder-Info.plist
Reference:
https://stackoverflow.com/questions/31254725/transport-security-has-blocked-a-cleartext-http