ios - 如何使用 Segue 从 didFinishPickingMediaWithInfo 发送 UIImage?

标签 ios iphone swift segue uiimagepickercontroller

所以我有:

func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info:[String : Any]) {
    let tempImage: UIImage = info[UIImagePickerControllerOriginalImage] as! UIImage
    let imagetoTransmit: UIImage = tempImage
    shootedImage = imagetoTransmit
    self.performSegue(withIdentifier: "cameraSegueIdent", sender: nil)
    dismiss(animated: true, completion: nil)
}

哪里继续:

 override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
    if segue.identifier == "cameraSegueIdent" {
        let imageToTransmit: UIImage = shootedImage
        let viewController = (segue.destination as! TakenPhotoPreviewViewController)
        viewController.takenImage = imageToTransmit
    } 
}

正在发送图像,但 Segue 不执行。
请帮忙!

更新

我的想法是将图像作为发件人发送,而不保存在当前的 ViewController 中,而且效果非常好!

  func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info:[String : Any]) {

    let tempImage: UIImage = info[UIImagePickerControllerOriginalImage] as! UIImage
    self.dismiss(animated: true) {
    self.performSegue(withIdentifier: "cameraSegueIdent", sender: tempImage)
    }
}

最佳答案

以下内容可能会有所帮助。

    let tempImage: UIImage = info[UIImagePickerControllerOriginalImage] as! UIImage
    let imagetoTransmit: UIImage = tempImage
    shootedImage = imagetoTransmit
    _ picker.dismissViewControllerAnimated(true, completion: {
        self.performSegue(withIdentifier: "cameraSegueIdent", sender: nil)
    })

此外,请确保在您的 Storyboard中正确配置了 segue 标识符。

关于ios - 如何使用 Segue 从 didFinishPickingMediaWithInfo 发送 UIImage?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/39919866/

相关文章:

ios - 无法访问资源包

ios - 无法在 Xcode 中使用 PFImageView

ios - 使用 bitmapdata.draw() AS3 时出现错误

iphone - 在 PopOver 中呈现图像选择器

javascript - 在 IOS 中触发触摸时,HTML5 Web SQL 事务无错误地跳过

swift - 我获取的结果 Controller 未在旧条目中对新条目进行排序

ios - 如何在 UIView 动画期间更新 ImageView

iphone - 如何使用 WkWebView 内联播放视频

swift - 从 Android 服务器获取照片到 iOS

ios - swift:在 viewDidLoad 中处理未包装的可选