Question

我试图检索我保存在相册中的视频文件，以便在表视图控制器中显示它。我一直在寻找答案，但我似乎无法找到答案。

我将其保存到相册的功能如下所示：

@IBAction func saveToAlbum(_ sender: Any) {
    UISaveVideoAtPathToSavedPhotosAlbum((completedMoviePath?.path)!, nil, nil, nil)
}

似乎没有可以检索保存的视频的功能。有人可以指导我吗？

Answer 1

像这样使用它在swift 3中为我工作很好

 let library = ALAssetsLibrary()
        let outputURL = UserDefaults.standard.object(forKey: "url")

        if library.videoAtPathIs(compatibleWithSavedPhotosAlbum: outputURL as! URL!) {


            library.writeVideoAtPath(toSavedPhotosAlbum: outputURL as! URL!,completionBlock: { (assetURL:URL?, error:Error?) -> Void in
                //writeVideoAtPath(toSavedPhotosAlbum: outputURL,completionBlock: { (assetURL:URL!, error:Error?) -> Void in
                var title = ""
                var message = ""
                if error != nil {
                    title = "Error"
                    message = "Failed to save video"
                } else {
                    title = "Success"
                    message = "Video saved"
                }
                let alert = UIAlertController(title: title, message: message, preferredStyle: .alert)
                alert.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.cancel, handler: nil))
                self.present(alert, animated: true, completion: nil)
            })
        }

检索存储在照片库中的MP4视频文件

1 个答案: