janakaaleph

func locationManagerDidChangeAuthorization(_ manager: CLLocationManager) {
    switch manager.authorizationStatus() {
    case .authorizedAlways:
        print("Always authorized.")
    case .authorizedWhenInUse:
        print("Authorization granted only when app is in use.")
    case .denied, .notDetermined, .restricted:
        print("Not authorized.")
    @unknown default:
        print("Unknown.")

janakaaleph

if locationManager.accuracyAuthorization == .reducedAccuracy {
    let alertController = UIAlertController(title: "Alert", message: "Need your exact location to start navigation", preferredStyle: .alert)
    let okAction = UIAlertAction(title: "OK", style: .default) { (_) in
        guard let settingsUrl = URL(string: UIApplication.openSettingsURLString) else {
            return
        }
        if UIApplication.shared.canOpenURL(settingsUrl) {
            UIApplication.shared.open(settingsUrl, completionHandler: { (success) in
                // Successfully navigated to settings
            })

janakaaleph

if locationManager.accuracyAuthorization == .reducedAccuracy {
    locationManager.requestTemporaryFullAccuracyAuthorization(withPurposeKey: "wantsToDeliverFoodToDoorStep") { (error) in
        // Use location with full accuracy
    }
}

janakaaleph

fun main() {
    println("If Expression")

    val a = 100
    val b = 200

    /**
     * COMPILATION ERROR: 'if' must have both main and 'else' branches if used as an expression.
     */
    val maxValue = if (b > a) "b is greater"