来自自定义框架的 Swift 电子邮件失败

Question

我制作了一个自定义框架 (Swift)，我在几个不同的应用程序中使用它。

我在这个框架中添加的一个功能是一个基本的电子邮件客户端。

代码如下，但它目前描述了以下行为：

最初完美加载电子邮件页面视图，所有字段都按照我的预期显示（即地址、密件抄送、主题、附件等），但是当我按下发送或取消时，应用程序崩溃。它实际上发送电子邮件。我在“public func mailComposeController(controller: MFMailComposeViewController, didFinishWithResult result: MFMailComposeResult, error: NSError?)”中打印了一个打印件，但从未打印过。

请看下面的代码：

框架

import UIKit
import MessageUI


public class Framework_Email : NSObject, MFMailComposeViewControllerDelegate{

    var picker : MFMailComposeViewController!

    public var EmailSubject    : String = ""
    public var EmailMessage    : String = ""
    public var EmailAddress    : [String] = []
    public var EmailBlindAddress    : [String] = []
    public var EmailAttachment : [NSDictionary] = []

    public func SendEmail(View : UIViewController)
    {
        picker = MFMailComposeViewController()
        picker.mailComposeDelegate = self
        picker.setToRecipients(EmailAddress)
        picker.setSubject(EmailSubject)
        picker.setMessageBody(EmailMessage, isHTML: false)
        picker.setBccRecipients(EmailBlindAddress)

        for temp in EmailAttachment
        {
            picker.addAttachmentData(temp["Data"] as! NSData, mimeType: temp["Type"] as! String, fileName: temp["Name"]as! String)
        }
        View.presentViewController(picker, animated: true, completion: nil)
    }

    public func mailComposeController(controller: MFMailComposeViewController, didFinishWithResult result:     MFMailComposeResult, error: NSError?) {
        print("Im Here!!!!!") //This is never seen in the output
        picker.dismissViewControllerAnimated(true, completion: nil)
    }
}

我在我的主应用程序视图控制器中通过以下方式调用它

let EmailClient : Framework_Email = Framework_Email()
EmailClient.EmailAddress = ["email@eailaddress.co.uk"]
EmailClient.EmailMessage = "Email Message"
EmailClient.EmailSubject = "Email Subject"
EmailClient.EmailBlindAddress = ["email@eailaddress.co.uk"]
EmailClient.SendEmail(self)

谁能建议为什么这不起作用？

谢谢

Answer 1

在您的解除方法中使用控制器而不是选择器：

public func mailComposeController(controller: MFMailComposeViewController, didFinishWithResult result: MFMailComposeResult, error: NSError?) { 
print("Im Here!!!!!") //This is never seen in the output
controller.dismissViewControllerAnimated(true, completion: nil)
}