title: swift pdf file not attaching to an email
body: <p>I have the below code which is suppose to attach a file named "file.pdf" which was created and placed into the temp directory as such </p>
  
  <pre><code>pdfFileUrl = "\(NSTemporaryDirectory())file.pdf" 
  </code></pre>
  
  <p>But the email does not have my attachment as I am expecting it to</p>
  
  <pre><code>@IBAction func sendEmail(sender: AnyObject) {
  
      createReportPDF()
  
      if MFMailComposeViewController.canSendMail() {
          let mail = MFMailComposeViewController()
          mail.mailComposeDelegate = self
          mail.setToRecipients(["dpreston10@gmail.com"])
          mail.setMessageBody("&lt;p&gt;You're so awesome!&lt;/p&gt;", isHTML: true)
          if let filePath = NSBundle.mainBundle().pathForResource(pdfFileUrl, ofType: "pdf") {
              print("File path loaded.")
  
              if let fileData = NSData(contentsOfFile: filePath) {
                  print("File data loaded.")
                  mail.addAttachmentData(fileData, mimeType: "application/pdf", fileName: "file.pdf")
              }
          }
  
          presentViewController(mail, animated: true, completion: nil)
      } else {
          // show failure alert
      }
  }
  </code></pre>