It's done in task.getPictureDrawable(Resources res)

        /**
	 * @param res - the resources obtained from getResources() [Activity method]
	 * @return the pictureDrawable
	 */
	public Drawable getPictureDrawable(Resources res) {
		Drawable ret = null;
		if (pictureDrawable == null && pictureBase64 != null) {
			ret = Base64ImageCoder.decodeImage(pictureBase64, res);
		}
		return ret;
	}