public void DeleteFile(string path)
        {
            Android.Net.Uri uri;

            string auth     = "com.Linaq.LinaqStorage.Android.fileprovider";
            string mimeType = Android.Webkit.MimeTypeMap.Singleton.GetMimeTypeFromExtension(Android.Webkit.MimeTypeMap.GetFileExtensionFromUrl(path.ToLower()));

            if (mimeType == null)
            {
                mimeType = "*/*";
            }

            if (path.StartsWith("content://"))
            {
                uri = Android.Net.Uri.Parse(path);

                DocumentFile pickedDir = DocumentFile.FromSingleUri(Android.App.Application.Context, uri);
                if (pickedDir.Exists())
                {
                    pickedDir.Delete();
                }
            }
            else
            {
                var file = new Java.IO.File(Path.Combine(Android.App.Application.Context.FilesDir.Path, path));
                file.Delete();
                //  uri = FileProvider.GetUriForFile(Android.App.Application.Context, auth, file);
            }
        }