使用Facebook App-Scoped ID进行ProfilePictureView

Question

我正在为Android应用程序实现Facebook的SDK。我有一个需要填充的ProfilePictureView：

profilePictureView.setProfileId(id)

昨天，如果我使用了配置文件的应用程序ID(图API返回的一个(：这是我唯一拥有的ID，因为显然是违反了Facebook策略获得"真实"ID。

但是今天，没有任何修改，它返回了无效的图像。我猜他们改变了后端，但是如果是，如果ProfilePictureView需要违反Facebook的政策才能获得的ID的目的是什么？

Answer 1

2018年3月26日，与手动链接有关的所有解决方案都不再起作用

使用下面的代码

private static String FACEBOOK_FIELD_PROFILE_IMAGE = "picture.type(large)";
    private static String FACEBOOK_FIELDS = "fields";
    private void getFacebookData() {
        GraphRequest request = GraphRequest.newMeRequest(
                AccessToken.getCurrentAccessToken(),
                (object, response) -> {
                    updateAvatar(getImageUrl(response));
                });
        Bundle parameters = new Bundle();
        parameters.putString(FACEBOOK_FIELDS, FACEBOOK_FIELD_PROFILE_IMAGE);
        request.setParameters(parameters);
        request.executeAsync();
    }
    private static String FACEBOOK_FIELD_PICTURE = "picture";
    private static String FACEBOOK_FIELD_DATA = "data";
    private static String FACEBOOK_FIELD_URL = "url";
    private String getImageUrl(GraphResponse response) {
        String url = null;
        try {
            url = response.getJSONObject()
                    .getJSONObject(FACEBOOK_FIELD_PICTURE)
                    .getJSONObject(FACEBOOK_FIELD_DATA)
                    .getString(FACEBOOK_FIELD_URL);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return url;
    }

Answer 2

我会回答自己，因为这个问题专门要求"获取给定ID的个人资料图片"，而Levon的启发性答案仅适用于当前用户。

private static String FACEBOOK_FIELD_PROFILE_IMAGE = "picture.type(large)";
private static String FACEBOOK_FIELDS = "fields";
private static String FACEBOOK_FIELD_PICTURE = "picture";
private static String FACEBOOK_FIELD_DATA = "data";
private static String FACEBOOK_FIELD_URL = "url";
public static void getFacebookProfileUrl(String id, final Response<String> response) {
    GraphRequest request = GraphRequest.newGraphPathRequest(
            AccessToken.getCurrentAccessToken(),
            "/" + id,
            new GraphRequest.Callback() {
                @Override
                public void onCompleted(GraphResponse graph) {
                    String imgUrl = getImageUrl(graph);
                    // imgUrl is the url of the profilepic of the user with given id. 
                    // Works both for "real" id and "app-scoped" id
                }
            });
    Bundle parameters = new Bundle();
    parameters.putString(FACEBOOK_FIELDS, FACEBOOK_FIELD_PROFILE_IMAGE);
    request.setParameters(parameters);
    request.executeAsync();
}

private static String getImageUrl(GraphResponse response) {
    String url = null;
    try {
        url = response.getJSONObject()
                .getJSONObject(FACEBOOK_FIELD_PICTURE)
                .getJSONObject(FACEBOOK_FIELD_DATA)
                .getString(FACEBOOK_FIELD_URL);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return url;
}