private void ShowImage(Uri data)
{
imageUri = Uri.FromFile(new File(GetRealPathFromURI(data)));
var exif = new ExifInterface(imageUri.Path);
var location = exif.ReadLocation();
FindViewById <TextView>(Resource.Id.imageLocationText).Text = location.ToFormattedString(this);
var bitmap = BitmapLoader.LoadImage(
imageUri.Path,
Resources.DisplayMetrics.WidthPixels,
Resources.DisplayMetrics.HeightPixels);
FindViewById <ImageView>(Resource.Id.selected_image).SetImageBitmap(bitmap);
FindViewById <Button>(Resource.Id.set_location).Visibility = ViewStates.Visible;
}