private async Task SetLocation()
{
var outfile = new File(GetPicturesDirectory(), $"{System.Guid.NewGuid()}.jpg");
var uri = Uri.FromFile(outfile);
await CreateCopy(imageUri, uri);
var exif = new ExifInterface(outfile.AbsolutePath);
exif.WriteLocation(deviceLocation);
MakeAvailableInGallery(uri);
FindViewById <TextView>(Resource.Id.imageLocationText).Text = $"{deviceLocation.Latitude}, {deviceLocation.Longitude}";
}