MFMailComposeViewController in Swift

Question

This is sample code:

import UIKit
import MessageUI

class ViewController: UIViewController, MFMailComposeViewControllerDelegate {

    @IBAction func showEmail(s         


        

Answer 1

In addition to using .value, don't forget to add to break to each case statement, see Apple's official version: https://developer.apple.com/library/iOS/samplecode/MessageComposer/Introduction/Intro.html#//apple_ref/doc/uid/DTS40010161