我想在列表视图中显示用户的个人资料图片。 当我试图从安卓端调用Graph API检索图片时,总是收到以下错误信息。
java.io.IOException: Hostname <fbcdn-profile-a.akamaihd.net> was not verified
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.getSecureSocket(HttpConnection.java:170)
at org.apache.harmony.luni.internal.net.www.protocol.https.HttpsURLConnection$HttpsEngine.connect(HttpsURLConnection.java:398)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnection.sendRequest(HttpURLConnection.java:1224)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnection.doRequestInternal(HttpURLConnection.java:1558)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnection.doRequest(HttpURLConnection.java:1551)
at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1052)
at org.apache.harmony.luni.internal.net.www.protocol.https.HttpsURLConnection.getInputStream(HttpsURLConnection.java:252)
at com.facebook.android.Util.openUrl(Util.java:200)
at com.facebook.android.Facebook.request(Facebook.java:559)
这是我使用的代码:
private static void retrieveProfilePicture(String userId) throws MalformedURLException, IOException{
facebook = FacebookHelper.getInstance();
Bundle bundle = new Bundle();
bundle.putString(Facebook.TOKEN, facebook.getAccessToken());
Object picture = facebook.request("/"+userId+"/picture", bundle, "GET");
当我在浏览器中进行相同的调用(https://graph.facebook.com//picture?access_token=),那么我会得到一个像这样的url返回的图像
https://fbcdn-profile-a.akamaihd.net/...
这个图像以什么格式交付给我?是带有指向图像的引用(url)的JSON吗?