Example
Swift
let alert = UIAlertController(title: "Hello",
message: "Welcome to the world of iOS",
preferredStyle: UIAlertControllerStyle.alert)
let defaultAction = UIAlertAction(title: "OK", style: UIAlertActionStyle.default) { (action) in
}
defaultAction.isEnabled = false
alert.addAction(defaultAction)
alert.addTextFieldWithConfigurationHandler { (textField) in
textField.delegate = self
}
present(alert, animated: true, completion: nil)
Objective-C
UIAlertController* alert = [UIAlertController alertControllerWithTitle:@"Hello"
message:@"Welcome to the world of iOS"
preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction* defaultAction = [UIAlertAction actionWithTitle:@"OK"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {}];
defaultAction.enabled = NO;
[alert addAction:defaultAction];
[alert addTextFieldWithConfigurationHandler:^(UITextField *textField) {
textField.delegate = self;
}];
[self presentViewController:alert animated:YES completion:nil];