问Android上传图片到GCS

EN

private static String uploadFile(RichMedia media) {
    DefaultHttpClient client = new DefaultHttpClient();
    Bitmap bitmap = BitmapUtils.getBitmap(media.getLocalUrl());
    HttpPost post = new HttpPost(GCS_ROOT + media.getLocalUrl() + "_" + System.currentTimeMillis());
    if(media.getType() == RichMedia.RichMediaType.PICTURE) {
        post.setHeader("Content-Type", "image/jpeg");
    } else {
        post.setHeader("Content-Type", "video/mp4");
    }
    post.setHeader("Authorization", "AIzaSyCzdmCMwiMzl6LD7R2obF0xSgnnx5rEfeI");
    //post.setHeader("Content-Length", String.valueOf(bitmap.getByteCount()));
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
    byte[] byteArray = stream.toByteArray();

    try {
        post.setEntity(new StringEntity(new Gson().toJson(byteArray).toString()));
        HttpResponse response = client.execute(post);
        BufferedReader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
        String eachLine = null;
        StringBuilder builder = new StringBuilder();
        while ((eachLine = reader.readLine()) != null) {
            builder.append(eachLine);
        }
        L.d("response = " + builder.toString());
        JSONObject object = new JSONObject(builder.toString());
        String name = object.getString("name");
        return  name;
    } catch (IOException e) {
        L.print(e);
    } catch (JSONException e) {
        L.print(e);
    }
    return null;
}