public string getResult()
{
if(bitmap==null)
bitmap = BitmapFactory.DecodeResource(context.Resources, Resource.Drawable.qr);
time = Java.Lang.JavaSystem.CurrentTimeMillis();
results = reader.DecodeBufferedImage(bitmap, "");
time = Java.Lang.JavaSystem.CurrentTimeMillis() - time;
if (results != null && results.Length > 0)
return results[0].BarcodeText;
return "Barcode not found.";
}