Internet and Background Threads

ImageUtil.java

public class ImageUtil {
    private static final String TAG = "ImageUtil";

    public static Bitmap getImage(String urlSpec) {
        Bitmap result = null;
        try {
            byte[] posterBytes = getBytes(urlSpec);
            result = BitmapFactory.decodeByteArray(posterBytes, 0, posterBytes.length);
        } catch (IOException e) {
            Log.e(TAG, "getImage: ", e);
        }
        return result;
    }

    private static byte[] getBytes(String urlSpec) throws IOException {
        URL url = null;
        try {
            url = new URL(urlSpec);
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        try {
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            InputStream in = conn.getInputStream();

            if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
                return null;
            }

            byte[] buffer = new byte[1024];
            int byteCount;
            while ((byteCount = in.read(buffer)) > 0) {
                out.write(buffer, 0, byteCount);
            }
            out.close();
            return out.toByteArray();
        } finally {
            conn.disconnect();
        }
    }
}