Compose mail swift message
Here is an example of a Swift message that composes an email:
import UIKit
import MessageUI
class ViewController: UIViewController, MFMailComposeViewControllerDelegate {
@IBAction func sendEmail(_ sender: UIButton) {
let mailComposerVC = MFMailComposeViewController()
mailComposerVC.delegate = self
mailComposerVC.setSubject("Test Email")
mailComposerVC.setMessageBody("This is a test email", isHTML: false)
mailComposerVC.addAttachmentData(Data(), mimeType: "text/plain", fileName: "attachment.txt")
if MFMailComposeViewController.canSendMail() {
self.present(mailComposerVC, animated: true, completion: nil)
} else {
print("Mail services are not available")
}
}
func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error: Error?) {
switch result {
case.sent:
print("Email sent successfully")
case.failed:
print("Email failed to send")
case.cancelled:
print("Email cancelled")
default:
print("Email not sent")
}
controller.dismiss(animated: true, completion: nil)
}
}
This code creates a MFMailComposeViewController
instance and sets its subject, message body, and attachment. It then presents the mail composer view controller modally.
The mailComposeController(_:didFinishWith:erro:)
method is called when the user finishes composing the email. It handles the result of the email sending operation and dismisses the mail composer view controller.
Note that this code assumes that the app has the necessary permissions to send emails. You may need to add the NSMailComposeViewController
key to your app's Info.plist
file to request these permissions.
Also, this code uses the MFMailComposeViewController
class, which is part of the MessageUI framework. You need to import this framework in your Swift file to use this class.
You can customize the email composition by using the following methods:
setSubject(_:)
: Sets the subject of the email.setMessageBody(_:isHTML:)
: Sets the message body of the email.addAttachmentData(_:mimeType:fileName:)
: Adds an attachment to the email.addAttachmentData(_:mimeType:fileName:completionHandler:)
: Adds an attachment to the email and provides a completion handler to handle the attachment's upload.setToRecipients(_:)
: Sets the recipients of the email.setCcRecipients(_:)
: Sets the carbon copy recipients of the email.setBccRecipients(_:)
: Sets the blind carbon copy recipients of the email.
You can also customize the appearance of the mail composer view controller by using the following methods:
setModalPresentationStyle(_:)
: Sets the presentation style of the mail composer view controller.setModalTransitionStyle(_:)
: Sets the transition style of the mail composer view controller.setNavigationBarHidden(_:)
: Hides or shows the navigation bar of the mail composer view controller.setToolbarHidden(_:)
: Hides or shows the toolbar of the mail composer view controller.