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首先,我對Swift很陌生,所以如果我做錯了,我會很抱歉。Swift MFMailComposeViewController addAttachmentData JPG設置最大分辨率
我嘗試發送包含多個圖像的電子郵件作爲附件。但是我可以添加所有圖像,但是它們的分辨率是完整的。
是否有可能限制存儲在UIImage陣列中的圖像的分辨率? (現在2個圖像的電子郵件將是20MB而不是488KB)
這裏是一些代碼:
func configuredMailComposeViewController(image: [UIImage]) -> MFMailComposeViewController {
let mailComposerVC = MFMailComposeViewController()
mailComposerVC.mailComposeDelegate = self
var counter = 1;
for img in image {
let imageData: NSData = UIImagePNGRepresentation(img)!
mailComposerVC.addAttachmentData(imageData, mimeType: "image/jpeg", fileName: "image\(counter).jpg")
counter += 1
}
mailComposerVC.setToRecipients(["email"])
mailComposerVC.setSubject("subject")
mailComposerVC.setMessageBody("message", isHTML: true)
return mailComposerVC
}
而且圖像將在這裏創造:
@IBAction func takePhoto(sender: UIButton) {
imagePicker = UIImagePickerController()
imagePicker.delegate = self
imagePicker.sourceType = .Camera
presentViewController(imagePicker, animated: true, completion: nil)
}
func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
imagePicker.dismissViewControllerAnimated(true, completion: nil)
var image_taken: UIImage!
image_taken = info[UIImagePickerControllerOriginalImage] as? UIImage
var image: UIImage!
image = image_taken
imageArray.append(image)
}
var imagePicker: UIImagePickerController!
而現在所說的createEmail方法:
//send data to email
@IBAction func sendDataToServer(sender: UIBarButtonItem) {
composeMail(imageArray)
}