Swift-UIImagePickerController-如何使用它？

  • Z时代
  • 2024-01-10
  • 分类：问答

我正在努力理解它是如何工作的，但是对我来说却很难。=）我有1个视图，有一个按钮和一个小的ImageView区域可供预览。该按钮触发imagepickercontroller，UIView将显示拾取的图像。没有错误，但是图像未显示在UIImageView区域中。

var imagePicker = UIImagePickerController()
@IBOutlet var imagePreview : UIImageView
@IBAction func AddImageButton(sender : AnyObject) {
    imagePicker.modalPresentationStyle = UIModalPresentationStyle.CurrentContext
    imagePicker.delegate = self
    self.presentModalViewController(imagePicker, animated: true)
}
func imagePickerController(picker: UIImagePickerController!, didFinishPickingMediaWithInfo info:NSDictionary!) {
    var tempImage:UIImage = info[UIImagePickerControllerOriginalImage] as UIImage
    imagePreview.image  = tempImage
    self.dismissModalViewControllerAnimated(true)
}
func imagePickerControllerDidCancel(picker: UIImagePickerController!) {
    self.dismissModalViewControllerAnimated(true)
}

回答：

您正在抓取UIImage具名，UIImagePickerControllerOriginalImage并且不存在此类图像。你注定要抓住UIImage用钥匙UIImagePickerControllerOriginalImage从editingInfo词典：

let tempImage = editingInfo[UIImagePickerControllerOriginalImage] as! UIImage

以上是 Swift-UIImagePickerController-如何使用它？ 的全部内容， 来源链接： utcz.com/qa/423272.html

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