ios - 如何将图像存储到 swift ios 中的应用程序？

Question

    @IBAction func btnClicked(){

    let alertController = UIAlertController(title: "Choose an option", message: "", preferredStyle: .Alert)

    let cameraRollAction = UIAlertAction(title: "Camera Roll", style: .Default) { (action) in
        self.imagePicker.delegate = self
        self.imagePicker.sourceType = UIImagePickerControllerSourceType.SavedPhotosAlbum;
        self.imagePicker.allowsEditing = true
        self.presentViewController(self.imagePicker, animated: true, completion: nil)


    }
    alertController.addAction(cameraRollAction)

    let takePictureAction = UIAlertAction(title: "Take a picture", style: .Default) { (action) in
        self.imagePicker.delegate = self
        self.imagePicker.allowsEditing = true
        self.imagePicker.sourceType = UIImagePickerControllerSourceType.Camera
        self.imagePicker.cameraCaptureMode = .Photo
        self.imagePicker.modalPresentationStyle = .FullScreen
        self.presentViewController(self.imagePicker,
            animated: true,
            completion: nil)
    }
    alertController.addAction(takePictureAction)



}

如何将图像存储到我从设备中选择的应用程序中？每当我选择图片时，它都会出现，但当我关闭并重新打开应用程序时，图片就会消失。

Answer 1

另一种方法是，您可以将图像保存在应用程序的文档目录中。这些图像的所有路径都可以存储在 NSUserDefaults 中。

检查此链接以将图像保存到文档目录:

Click me !

相应地添加您的 NSUserDefaults 逻辑。

谢谢。