public static bool CheckSpaceAvailable(Context context, DownloadDetails.RootDirectoryDetails root, long neededSpace)
{
var descriptor = context.ContentResolver.OpenFileDescriptor(root.DocumentFile.Uri, "r");
var stats = Os.Fstatvfs(descriptor.FileDescriptor);
var availableSpace = (stats.FBavail * stats.FBsize);
return(neededSpace <= availableSpace);
}