[英]Facebook Android SDK 3.0 always returns OPENING when logging in
我按照https://developers.facebook.com/docs/howtos/androidsdk/3.0/login-with-facebook/上的说明进行操作。 当我触摸“登录”按钮时,会话状态是打开 - 始终。 当我尝试将故事发布到用户的墙上时,我收到错误消息
“会话:尝试为具有待处理请求的会话请求新权限。”
这是我的代码:
public class MainFragment extends Fragment {
private static final String TAG = "MainFragment";
private UiLifecycleHelper uiHelper;
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 (state.isOpened()) {
Log.d(TAG, "Logged in...");
} else if (state.isClosed()) {
Log.d(TAG, "Logged out...");
} else {
Log.d(TAG, "Unknown state: " + state);
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
uiHelper = new UiLifecycleHelper(getActivity(), callback);
uiHelper.onCreate(savedInstanceState);
}
@Override
public void onResume() {
super.onResume();
// For scenarios where the main activity is launched and user
// session is not null, the session state change notification
// may not be triggered. Trigger it if it's open/closed.
Session session = Session.getActiveSession();
if (session != null && (session.isOpened() || session.isClosed())) {
onSessionStateChange(session, session.getState(), null);
}
uiHelper.onResume();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
uiHelper.onActivityResult(requestCode, resultCode, data);
}
@Override
public void onPause() {
super.onPause();
uiHelper.onPause();
}
@Override
public void onDestroy() {
super.onDestroy();
uiHelper.onDestroy();
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
uiHelper.onSaveInstanceState(outState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.facebook_login, container, false);
LoginButton authButton = (LoginButton) view
.findViewById(R.id.authButton);
authButton.setFragment(this);
return view;
}
private boolean isSubsetOf(Collection<String> subset,
Collection<String> superset) {
for (String string : subset) {
if (!superset.contains(string)) {
return false;
}
}
return true;
}
private static final List<String> PERMISSIONS = Arrays
.asList("publish_actions");
private static final String PENDING_PUBLISH_KEY = "pendingPublishReauthorization";
private boolean pendingPublishReauthorization = false;
public 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", "Facebook SDK for Android");
postParams.putString("caption",
"Build great social apps and get more installs.");
postParams
.putString(
"description",
"The Facebook SDK for Android makes it easier and faster to develop Facebook integrated Android apps.");
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) {
Log.i(TAG, "JSON error " + e.getMessage());
}
FacebookRequestError error = response.getError();
if (error != null) {
Toast.makeText(getActivity().getApplicationContext(),
error.getErrorMessage(), Toast.LENGTH_SHORT)
.show();
} else {
Toast.makeText(getActivity().getApplicationContext(),
postId, Toast.LENGTH_LONG).show();
}
}
};
Request request = new Request(session, "me/feed", postParams,
HttpMethod.POST, callback);
RequestAsyncTask task = new RequestAsyncTask(request);
task.execute();
}
}
}
怎么了?
编辑:我还想提一下“登录”-Button上的文字不会改变。 我在验证时没有收到错误,但据我所知,它应该更改为“Log Out”。
弄清楚这一点并不容易。 :-)
如果您实际检查onSessionStateChange()
exception
,您会发现它并非真正停留在OPENING
。 该异常包含: java.lang.UnsupportedOperationException:Session:尝试打开具有挂起请求的会话。
我最终发现的原因是没有调用onActivityResult()
。 它有责任回电给uiHelper
并且该呼叫将调用登录的完成部分,因此如果没有被调用,状态将永远保持OPENING
状态。 除上述建议的明显的碎片,这是我发现了什么,他们都需要登录到工作:
确保同时使用片段和活动,如FB文档中所述。 即使文档暗示某项活动足够,但事实并非如此。 即使活动只有调用单个片段,你也需要两者。
确保没有为活动设置历史记录(清单和代码中都没有)。
确保根据文档覆盖片段的onActivityResult()
。 并确保在活动中覆盖相同的内容:
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
}
是的,这看起来很奇怪但没有它就行不通。
最后这对我有用。 关键点是补充
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
uiHelper.onActivityResult(requestCode, resultCode, data);
}
和
loginBtn.setFragment(this);
loginBtn.setUserInfoChangedCallback(new LoginButton.UserInfoChangedCallback() {
@Override
public void onUserInfoFetched(GraphUser user) {
graphUser = user;
}
});
片段内的代码:
private GraphUser graphUser;
private UiLifecycleHelper uiHelper;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
uiHelper = new UiLifecycleHelper(getActivity(), callback);
uiHelper.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(R.layout.test_frame, container, false);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
view.findViewById(R.id.getMeBtn).setOnClickListener(this);
LoginButton loginBtn = (LoginButton) view.findViewById(R.id.loginBtn);
loginBtn.setFragment(this);
loginBtn.setUserInfoChangedCallback(new LoginButton.UserInfoChangedCallback() {
@Override
public void onUserInfoFetched(GraphUser user) {
graphUser = user;
}
});
}
@Override
public void onResume() {
super.onResume();
uiHelper.onResume();
updateUI();
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
uiHelper.onSaveInstanceState(outState);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
uiHelper.onActivityResult(requestCode, resultCode, data);
}
@Override
public void onPause() {
super.onPause();
uiHelper.onPause();
}
@Override
public void onDestroy() {
super.onDestroy();
uiHelper.onDestroy();
}
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) {
updateUI();
}
private void updateUI() {
if (graphUser != null) {
Log.d("TEST", graphUser.getFirstName());
}
}
@Override
public void onClick(View view) {
Session session = Session.getActiveSession();
Log.d("TEST", "session.getState() = " + session.getState());
if (session.getState().isOpened()) {
Request.executeMeRequestAsync(session, new Request.GraphUserCallback() {
@Override
public void onCompleted(GraphUser user, Response response) {
if (user != null) {
updateUI();
}
}
});
}
}
我遇到过同样的问题。 国家总是OPENING
。 事实证明@Gabor是怀疑的。
当会话状态为OPENING
一个方法onActivityResult
被调用, 这是肯定的。
如果您正在使用片段,则在包含片段的ACTIVITY中调用onActivityResult
,而不是在片段中调用。 那是由于传递的背景等。
所以我这样做了:
检查onActivityResults
被调用的内容(通过logcat) - 只是为了确保
在该方法中添加一行Session.getActiveSession().onActivityResult(this, requestCode, resultCode, data);
请注意,参数this
是活动上下文。
要么
使用UiLifecycleHelper
的onActivityResult
方法,如下所示: UiHelper.onActivityResult(requestCode, resultCode, data);
更多关于它的信息
如果其他人仍然遇到此问题,可能是由于重写了Activity中的onActivityResult而没有调用super方法。
活动
protected void onActivityResult(final int requestCode, final int resultCode, final Intent data) {
/* other code here */
super.onActivityResult(requestCode, resultCode, data);
}
分段
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
uiHelper.onActivityResult(requestCode, resultCode, data);
super.onActivityResult(requestCode, resultCode, data);
}
您应该在不在片段中的活动中实现onActivityResult
。 为我工作。
正在调用我的Activity的onActivityResult
...所以我在那里做了非常糟糕的黑客攻击:
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if(requestCode == 64206) //Bad hacking
if(df!=null)
df.onActivityResult(requestCode, resultCode, data);
df是我的片段。 这使得会议开放......这太疯狂了。 非常有兴趣为此找到更好的解决方案。
在我的例子中,我试图将片段类从android.support.v4.app.Fragment
更改为android.app.Fragment
(我不支持API-11之前的Android版本)并省略了FBAuthButton.setFragment(this);
声明。 这实际上是造成了这个问题。
我遇到了同样的问题,我卸载了我的应用程序并重新安装,它工作了!
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