Apple with iOS 10 has deprecated openURL: for openURL:option:completionHandler If I have:
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@\
// Objective-C
UIApplication *application = [UIApplication sharedApplication]; [application openURL:URL options:@{} completionHandler:nil];
// Swift
UIApplication.shared.open(url, options: [:], completionHandler: nil)