How to get a byte array from a drawable resource ?

Question

I would like to get a byte array from an jpeg image located in my res/drawable file ?

Does anyone know how to do that please ?

Answer 1

    Drawable drawable;

    Bitmap bitmap = ((BitmapDrawable) drawable).getBitmap();
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
    byte[] bitmapdata = stream.toByteArray();