Java Picasa API上载照片：获取403/无效令牌

我正在尝试将照片从Android应用程序上传到Picasa。我已经使用Google Single Sign-On登录并从那里检索了访问令牌

当尝试创建新相册时，我遇到了一个类似的错误，返回了无效的令牌

我可以拨打GET电话，检索公共相册和相册中的照片，但没有POST请求

下面是我如何尝试从存储上传照片

String url = "https://picasaweb.google.com/data/feed/api/user/" + mPreferences.getUsername() + "/albumid/" + mAlbumID;
HttpClient httpClient = new DefaultHttpClient();

File file = new File("/storage/emulated/0/Pictures/Screenshots/scrn.png");

HttpPost httpPost = new HttpPost(url);
httpPost.setHeader("GData-Version", "2");
httpPost.setHeader("Content-type", "image/jpeg");
httpPost.setHeader("Slug", "plz-to-love-realcat.jpg");
httpPost.setHeader("Authorization", "GoogleLogin auth=" + mPreferences.getAccessToken());

InputStreamEntity reqEntity;
org.apache.http.HttpResponse response;

try {
    reqEntity = new InputStreamEntity(new FileInputStream(file), file.length());

    String CONTENTTYPE_BINARY = "binary/octet-stream";
    reqEntity.setContentType(CONTENTTYPE_BINARY);
    reqEntity.setChunked(true);
    httpPost.setEntity(reqEntity);
    response = httpClient.execute(httpPost);

    Log.d("Picasa Upload", "STATUS CODE : " + response.getStatusLine().getStatusCode());

} catch (FileNotFoundException e) {
    e.printStackTrace();
} catch (ClientProtocolException e) {
    e.printStackTrace();
} catch (IOException e) {
    e.printStackTrace();
}

---

最终通过改变

httpPost.setHeader("Authorization", "GoogleLogin auth=" + mPreferences.getAccessToken());

到

httpPost.setHeader("Authorization", "OAuth " + mPreferences.getAccessToken());