我正在尝试以https://developers.facebook.com/docs/android/publish-to-feed/为例从 Activity 发布帖子。它授权应用程序在用户的墙上发布，但它没有将帖子发布到新闻提要或墙上，因此我没有看到带有已发布故事 ID 的成功警报。可能是什么问题？请记住，我还希望会话在用户导航到此活动之前有效，因为登录表单位于另一个活动中，而用户无需在此活动中登录 Facebook。这是代码：
public class Post extends SherlockActivity {
private Button shareButton;
private static final List<String> PERMISSIONS = Arrays
.asList("publish_actions");
private static final String PENDING_PUBLISH_KEY = "pendingPublishReauthorization";
private boolean pendingPublishReauthorization = false;
private UiLifecycleHelper uiHelper;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.ad_details);
uiHelper = new UiLifecycleHelper(this, callback);
uiHelper.onCreate(savedInstanceState);
if (savedInstanceState != null) {
pendingPublishReauthorization = savedInstanceState.getBoolean(
PENDING_PUBLISH_KEY, false);
}
setup();
}
private void setup() {
// TODO Auto-generated method stub
shareButton = (Button) findViewById(R.id.shareButton);
shareButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
publishStory();
}
});
}
private Session.StatusCallback callback = new Session.StatusCallback() {
@Override
public void call(Session session, SessionState state,
Exception exception) {
onSessionStateChange(session, state, exception);
}
};
private void onSessionStateChange(Session session, SessionState state,
Exception exception) {
if (pendingPublishReauthorization
&& state.equals(SessionState.OPENED_TOKEN_UPDATED)) {
pendingPublishReauthorization = false;
publishStory();
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putBoolean(PENDING_PUBLISH_KEY, pendingPublishReauthorization);
uiHelper.onSaveInstanceState(outState);
}
private void publishStory() {
Session session = Session.getActiveSession();
if (session != null) {
// Check for publish permissions
List<String> permissions = session.getPermissions();
if (!isSubsetOf(PERMISSIONS, permissions)) {
pendingPublishReauthorization = true;
Session.NewPermissionsRequest newPermissionsRequest = new Session.NewPermissionsRequest(
this, PERMISSIONS);
session.requestNewPublishPermissions(newPermissionsRequest);
return;
}
Bundle postParams = new Bundle();
postParams.putString("name", "Adbionic Mobile");
postParams.putString("caption",
"Caption");
postParams.putString("description", "Facebook SDK testing");
postParams.putString("link",
"https://developers.facebook.com/android");
postParams
.putString("picture",
"https://raw.github.com/fbsamples/ios-3.x-howtos/master/Images/iossdk_logo.png");
Request.Callback callback = new Request.Callback() {
public void onCompleted(Response response) {
JSONObject graphResponse = response.getGraphObject()
.getInnerJSONObject();
String postId = null;
try {
postId = graphResponse.getString("id");
} catch (JSONException e) {
String TAG = null;
Log.i(TAG, "JSON error " + e.getMessage());
}
FacebookRequestError error = response.getError();
if (error != null) {
Toast.makeText(getApplicationContext(),
error.getErrorMessage(), Toast.LENGTH_SHORT)
.show();
} else {
Toast.makeText(getApplicationContext(), postId,
Toast.LENGTH_LONG).show();
}
}
};
Request request = new Request(session, "me/feed", postParams,
HttpMethod.POST, callback);
RequestAsyncTask task = new RequestAsyncTask(request);
task.execute();
} else {
Toast.makeText(getApplicationContext(), "The session is not valid",
Toast.LENGTH_LONG).show();
}
}
private boolean isSubsetOf(Collection<String> subset,
Collection<String> superset) {
for (String string : subset) {
if (!superset.contains(string)) {
return false;
}
}
return true;
}
}