Swift: Insert Alert Box with Text Input (and Store Text Input )

Question

In one of my viewController, I want to make an alert box appear that prompts the user to type this information.Then, I want the user to st

Answer 1

SWIFT 3

func presentAlert() {
    let alertController = UIAlertController(title: "Email?", message: "Please input your email:", preferredStyle: .alert)

    let confirmAction = UIAlertAction(title: "Confirm", style: .default) { (_) in
        if let emailTextField = alertController.textFields?[0] {
            // do your stuff with emailTextField
        } 
    }

    let cancelAction = UIAlertAction(title: "Cancel", style: .cancel) { (_) in }

    alertController.addTextField { (textField) in
        textField.placeholder = "Email"
    }

    alertController.addAction(confirmAction)
    alertController.addAction(cancelAction)

    present(alertController, animated: true, completion: nil)
}