Closing mail view controller upon clicking Cancel or Delete Draft - swift

Question

I created a Mail Controller in my application, it works perfectly, the sending part is fine as well. But when I click on "Cancel" or "Delete Draft" the window wont close and it basically gets stuck on the email screen.
I tried searching, all the fixes did not work. Here is my code.
#IBAction func btnEmail(_ sender: Any)
{
let mailCompose = MFMailComposeViewController()
mailCompose.mailComposeDelegate = self
mailCompose.setToRecipients(["issam.barakat#hct.ac.ae"])
mailCompose.setSubject("Amazing Health App!")
mailCompose.setMessageBody("This application is amazing, keep it up!", isHTML: false)
if MFMailComposeViewController.canSendMail()
{
self.present(mailCompose, animated: true, completion: nil)
}
func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error: Error?) {
// Dismiss the mail compose view controller.
controller.dismiss(animated: true, completion: nil)
}

Answer 1

First of all, we need to import the MessageUI module.
Second, we need to specify that the View Controller will conform to the MFMailComposeViewControllerDelegate protocol. Later, we’ll actually implement the method that this protocol outlines, which will allow us to make the email composer screen go away once the user is finished either sending an e-mail or cancels out of sending one.
try this..
class ViewController: UIViewController, MFMailComposeViewControllerDelegate {
override func viewDidLoad() {
super.viewDidLoad()
}
#IBAction func sendEmailButtonTapped(sender: AnyObject) {
let mailComposeViewController = configuredMailComposeViewController()
if MFMailComposeViewController.canSendMail() {
self.present(mailComposeViewController, animated: true, completion: nil)
} else {
self.showSendMailErrorAlert()
}
}
func configuredMailComposeViewController() -> MFMailComposeViewController {
let mailComposerVC = MFMailComposeViewController()
mailComposerVC.mailComposeDelegate = self // Extremely important to set the --mailComposeDelegate-- property, NOT the --delegate-- property
mailComposerVC.delegate = self
mailComposerVC.setToRecipients(["someone#somewhere.com"])
mailComposerVC.setSubject("Sending you an in-app e-mail...")
mailComposerVC.setMessageBody("Sending e-mail in-app is not so bad!", isHTML: false)
return mailComposerVC
}
func showSendMailErrorAlert() {
let sendMailErrorAlert = UIAlertView(title: "Could Not Send Email", message: "Your device could not send e-mail. Please check e-mail configuration and try again.", delegate: self, cancelButtonTitle: "OK")
sendMailErrorAlert.show()
}
// MARK: MFMailComposeViewControllerDelegate Method
func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error: Error?) {
controller.dismiss(animated: true, completion: nil)
}
}
reference https://www.andrewcbancroft.com/2014/08/25/send-email-in-app-using-mfmailcomposeviewcontroller-with-swift/

Answer 2

Just add MFMailComposeViewControllerDelegate to your class declaration. Example:
class ViewController: UIViewController, MFMailComposeViewControllerDelegate {
...
}