Question

我正在构建一个简单的应用程序，可以从UIImagePickerController（从相机或照片库，取决于用户选择）获取图像并将其发送到服务器。

后者似乎是将图像保存在App内部文件夹中，因为当我拍摄任何照片时，在Xcode的“磁盘调试”菜单中，每次在磁盘上写入1-5 MB时，我都可以看到。照片库中的图像也会发生同样的情况，它们也占用大约1 MB。

这是代码，非常基本：（VisualRecognition是使用其AI服务之一的IBM API）

let imagePicker = UIImagePickerController()
var imageShot = UIImage() //To send later the image to the server

func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
    let userPickedImage = info[UIImagePickerControllerOriginalImage] as! UIImage

    imageShot = userPickedImage
    picker.dismiss(animated: true) {
        self.elaborateImage(self.imageShot). //The sending function
    }
}

func elaborateImage(_ image: UIImage) {
    animateIn()
    let group = DispatchGroup()
    group.enter()

    DispatchQueue.main.async {
        let visualRecognition = VisualRecognition(version: self.version, apiKey: self.apiKey)

        visualRecognition.classify(image: image, acceptLanguage: self.language, failure: { (error) in
            print("There was an error")
        }, success: { (classifiedImage) in
            let classes = classifiedImage.images.first!.classifiers.first!.classes

            var classificationResults = [ScanResult]()

            for index in 0..<classes.count {
                let scan = ScanResult.init(score: Int(classes[index].score! * 100), name: classes[index].className)
                classificationResults.append(scan)
            }

            self.sortedClassificationResults = classificationResults.sorted(by: {$0.score > $1.score})

            group.leave()
        })
    }

    group.notify(queue: .main) {
        self.performSegue(withIdentifier: "goToResults", sender: self)
    }

}

将图像发送到服务器后我不再需要它们，但是它们会继续增加应用程序的大小。

如何停止UIImagePickerController将图像保存在App Bundle中？谢谢

防止UIImagePickerController保存图像

0 个答案: