UIAlertView *alert = [[UIAlertView alloc] initWithTitle:ICLocalizedString(@"LocationServicesPermissionTitle")
                                                    message:ICLocalizedString(@"LocationPermissionGeoFenceMessage")
                                                   delegate:self
                                          cancelButtonTitle:@"Settings"
                                          otherButtonTitles:nil];
    [alert show];

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
    [alertView dismissWithClickedButtonIndex:buttonIndex animated:YES];
    [[UIApplication sharedApplication] openURL: [NSURL URLWithString: UIApplicationOpenSettingsURLString]];
}

UIAlertController *alertController = [UIAlertController alertControllerWithTitle:NSLocalizedString( @"Enter your title here", @"" ) message:NSLocalizedString( @"Enter your message here.", @"" ) preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:NSLocalizedString( @"Cancel", @"" ) style:UIAlertActionStyleCancel handler:nil];
UIAlertAction *settingsAction = [UIAlertAction actionWithTitle:NSLocalizedString( @"Settings", @"" ) style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
   [[UIApplication sharedApplication] openURL:[NSURL URLWithString:
                                                    UIApplicationOpenSettingsURLString]];
}];

[alertController addAction:cancelAction];
[alertController addAction:settingsAction];

[self presentViewController:alertController animated:YES completion:nil];

let alertController = UIAlertController(title: NSLocalizedString("Enter your title here", comment: ""), message: NSLocalizedString("Enter your message here.", comment: ""), preferredStyle: .alert)

let cancelAction = UIAlertAction(title: NSLocalizedString("Cancel", comment: ""), style: .cancel, handler: nil)
let settingsAction = UIAlertAction(title: NSLocalizedString("Settings", comment: ""), style: .default) { (UIAlertAction) in
                UIApplication.shared.openURL(NSURL(string: UIApplicationOpenSettingsURLString)! as URL)
            }

alertController.addAction(cancelAction)
alertController.addAction(settingsAction)
            self.present(alertController, animated: true, completion: nil)

let alertController = UIAlertController(title: NSLocalizedString("Enter your title here", comment: ""), message: NSLocalizedString("Enter your message here.", comment: ""), preferredStyle: .Alert)

let cancelAction = UIAlertAction(title: NSLocalizedString("Cancel", comment: ""), style: .Cancel, handler: nil)
let settingsAction = UIAlertAction(title: NSLocalizedString("Settings", comment: ""), style: .Default) { (UIAlertAction) in
    UIApplication.sharedApplication().openURL(NSURL(string: UIApplicationOpenSettingsURLString)!)
}

alertController.addAction(cancelAction)
alertController.addAction(settingsAction)
self.presentViewController(alertController, animated: true, completion: nil)

extension UIAlertController {
    func createSettingsAlertController(title: String, message: String) -> UIAlertController {
        let controller = UIAlertController(title: title, message: message, preferredStyle: .alert)

        let cancelAction = UIAlertAction(title: NSLocalizedString("Cancel", comment:"" ), style: .cancel, handler: nil)
        let settingsAction = UIAlertAction(title: NSLocalizedString("Settings", comment:"" ), style: .default, handler: { action in
            UIApplication.shared.openURL(URL(string: UIApplicationOpenSettingsURLString)!)
        })
        controller.addAction(cancelAction)
        controller.addAction(settingsAction)

        return controller
    }
}

extension UIAlertController {

    func createSettingsAlertController(title: String, message: String) -> UIAlertController {

      let alertController = UIAlertController(title: NSLocalizedString("Enter your title here", comment: ""), message: NSLocalizedString("Enter your message here.", comment: ""), preferredStyle: .alert)

      let cancelAction = UIAlertAction(title: NSLocalizedString("Cancel", comment: ""), style: .cancel, handler: nil)
      let settingsAction = UIAlertAction(title: NSLocalizedString("Settings", comment: ""), style: .default) { (UIAlertAction) in
        UIApplication.shared.open(URL(string: UIApplicationOpenSettingsURLString)! as URL, options: [:], completionHandler: nil)
    }

      alertController.addAction(cancelAction)
      alertController.addAction(settingsAction)
      self.present(alertController, animated: true, completion: nil)

   }
}