[英]Delete Image from documents Directory ios Xamarin
I save a picture in my documents Directory with this code 我用此代码将图片保存在我的文档目录中
var photo = obj.ValueForKey(new NSString("UIImagePickerControllerOriginalImage")) as UIImage;
var meta = obj.ValueForKey(new NSString("UIImagePickerControllerMediaMetadata")) as NSDictionary;
// This bit of code saves to the application's Documents directory, doesn't save metadata
NSData imgData = photo.AsJPEG();
NSError err = null;
if (imgData.Save(jpgFilename, false, out err))
{
Console.WriteLine("saved as " + jpgFilename);
} else {
Console.WriteLine("NOT saved as" + jpgFilename + " because" + err.LocalizedDescription);
}
Then I get my image to see it with this code 然后我得到我的图像,用此代码可以看到它
var documentsDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
string jpgFilename = System.IO.Path.Combine (documentsDirectory, "Photo.jpg");
UIImage currentImage = UIImage.FromFile (jpgFilename);
And now I want to delete this image from my documents directory I try this code 现在我想从我的文档目录中删除该图像,我尝试使用此代码
var documentsDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
string jpgFilename = System.IO.Path.Combine (documentsDirectory, "Photo.jpg");
NSFileManager nsf = new NSFileManager ();
NSError error = null;
nsf.Remove (jpgFilename, out error);
How can I manage to delete this image 我如何设法删除该图像
Thank you 谢谢
The answer is more simple than that 答案比那更简单
public void deleteImageInDirectory()
{
var documentsDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
string jpgFilename = System.IO.Path.Combine (documentsDirectory, "Photo.jpg");
System.IO.File.Delete (jpgFilename);
}
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