在我的 android 应用程序中，我正在使用Android-Facebook Sdk 3.6.0从我的应用程序发布 Facebook 状态。我参考HelloFacebookSample了 sdk 提供的示例。我实现了在 facebook 上发帖所需的一切，但我面临与屏幕方向相关的奇怪问题。我的整个应用程序都处于landscape模式，当我从中更新状态时，Share dialog如果设备屏幕方向被禁用，它将以纵向模式打开。那时，单击Share按钮什么也不做，只是重新打开同一个对话框，然后状态不会更新。如果我在启用设备屏幕方向后做同样的事情，那么它工作得很好。我不知道，为什么我会遇到这个问题。请帮我解决这个问题。谢谢。
代码 ：
ShareScoreActivity.java
public class ShareScoreActivity extends FragmentActivity {
private static final String PERMISSION = "publish_actions";
private final String PENDING_ACTION_BUNDLE_KEY = "com.packg.appname.ShareScoreActivity:PendingAction";
private Button postStatusUpdateButton;
private LoginButton loginButton;
private PendingAction pendingAction = PendingAction.NONE;
private ViewGroup controlsContainer;
private GraphUser user;
private GraphPlace place;
private List<GraphUser> tags;
private boolean canPresentShareDialog;
private enum PendingAction {
NONE, POST_STATUS_UPDATE // POST_PHOTO
}
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 FacebookDialog.Callback dialogCallback = new FacebookDialog.Callback() {
@Override
public void onError(FacebookDialog.PendingCall pendingCall,
Exception error, Bundle data) {
Log.d("HelloFacebook", String.format("Error: %s", error.toString()));
}
@Override
public void onComplete(FacebookDialog.PendingCall pendingCall,
Bundle data) {
Log.d("HelloFacebook", "Success!");
}
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
uiHelper = new UiLifecycleHelper(this, callback);
uiHelper.onCreate(savedInstanceState);
if (savedInstanceState != null) {
String name = savedInstanceState
.getString(PENDING_ACTION_BUNDLE_KEY);
pendingAction = PendingAction.valueOf(name);
}
setContentView(R.layout.share_screen);
loginButton = (LoginButton) findViewById(R.id.login_button);
loginButton
.setUserInfoChangedCallback(new LoginButton.UserInfoChangedCallback() {
@Override
public void onUserInfoFetched(GraphUser user) {
ShareScoreActivity.this.user = user;
updateUI();
// It's possible that we were waiting for this.user to
// be populated in order to post a
// status update.
handlePendingAction();
}
});
postStatusUpdateButton = (Button) findViewById(R.id.postStatusUpdateButton);
postStatusUpdateButton.setTypeface(Typeface.createFromAsset(
getAssets(), "RayGun.ttf"));
postStatusUpdateButton.setTextColor(Color.parseColor("#66863A"));
postStatusUpdateButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
onClickPostStatusUpdate();
}
});
controlsContainer = (ViewGroup) findViewById(R.id.main_ui_container);
final FragmentManager fm = getSupportFragmentManager();
Fragment fragment = fm.findFragmentById(R.id.fragment_container);
if (fragment != null) {
// If we're being re-created and have a fragment, we need to a) hide
// the main UI controls and
// b) hook up its listeners again.
controlsContainer.setVisibility(View.GONE);
}
// Listen for changes in the back stack so we know if a fragment got
// popped off because the user
// clicked the back button.
fm.addOnBackStackChangedListener(new FragmentManager.OnBackStackChangedListener() {
@Override
public void onBackStackChanged() {
if (fm.getBackStackEntryCount() == 0) {
// We need to re-show our UI.
controlsContainer.setVisibility(View.VISIBLE);
}
}
});
canPresentShareDialog = FacebookDialog.canPresentShareDialog(this,
FacebookDialog.ShareDialogFeature.SHARE_DIALOG);
}
@Override
protected void onResume() {
super.onResume();
uiHelper.onResume();
// Call the 'activateApp' method to log an app event for use in
// analytics and advertising reporting. Do so in
// the onResume methods of the primary Activities that an app may be
// launched into.
AppEventsLogger.activateApp(this);
updateUI();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
uiHelper.onSaveInstanceState(outState);
outState.putString(PENDING_ACTION_BUNDLE_KEY, pendingAction.name());
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
uiHelper.onActivityResult(requestCode, resultCode, data, dialogCallback);
}
@Override
public void onPause() {
super.onPause();
uiHelper.onPause();
}
@Override
public void onDestroy() {
super.onDestroy();
uiHelper.onDestroy();
}
@Override
public void onBackPressed() {
// TODO Auto-generated method stub
super.onBackPressed();
ShareScoreActivity.this.finish();
Intent levelIntent = new Intent(ShareScoreActivity.this,
LevelActivity.class);
levelIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(levelIntent);
}
private void onSessionStateChange(Session session, SessionState state,
Exception exception) {
if (pendingAction != PendingAction.NONE
&& (exception instanceof FacebookOperationCanceledException || exception instanceof FacebookAuthorizationException)) {
new AlertDialog.Builder(ShareScoreActivity.this)
.setTitle(R.string.cancelled)
.setMessage(R.string.permission_not_granted)
.setPositiveButton(R.string.ok, null).show();
pendingAction = PendingAction.NONE;
} else if (state == SessionState.OPENED_TOKEN_UPDATED) {
handlePendingAction();
}
updateUI();
}
private void updateUI() {
Session session = Session.getActiveSession();
boolean enableButtons = (session != null && session.isOpened());
postStatusUpdateButton.setEnabled(enableButtons
|| canPresentShareDialog);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
// TODO Auto-generated method stub
super.onConfigurationChanged(newConfig);
}
@SuppressWarnings("incomplete-switch")
private void handlePendingAction() {
PendingAction previouslyPendingAction = pendingAction;
// These actions may re-set pendingAction if they are still pending, but
// we assume they
// will succeed.
pendingAction = PendingAction.NONE;
switch (previouslyPendingAction) {
case POST_STATUS_UPDATE:
postStatusUpdate();
break;
}
}
private interface GraphObjectWithId extends GraphObject {
String getId();
}
private void showPublishResult(String message, GraphObject result,
FacebookRequestError error) {
String title = null;
String alertMessage = null;
if (error == null) {
title = getString(R.string.success);
String id = result.cast(GraphObjectWithId.class).getId();
alertMessage = getString(R.string.successfully_posted_post,
message, id);
} else {
title = getString(R.string.error);
alertMessage = error.getErrorMessage();
}
new AlertDialog.Builder(this).setTitle(title).setMessage(alertMessage)
.setPositiveButton(R.string.ok, null).show();
}
private void onClickPostStatusUpdate() {
performPublish(PendingAction.POST_STATUS_UPDATE, canPresentShareDialog);
}
private FacebookDialog.ShareDialogBuilder createShareDialogBuilder() {
return new FacebookDialog.ShareDialogBuilder(this)
.setName("Egg Catcher")
.setDescription(
"The 'Egg catcher' application Facebook integration")
.setLink("http://developers.facebook.com/android");
}
private void postStatusUpdate() {
if (canPresentShareDialog) {
FacebookDialog shareDialog = createShareDialogBuilder().build();
uiHelper.trackPendingDialogCall(shareDialog.present());
} else if (user != null && hasPublishPermission()) {
final String message = getString(R.string.status_update,
user.getFirstName(), (new Date().toString()));
Request request = Request.newStatusUpdateRequest(
Session.getActiveSession(), message, place, tags,
new Request.Callback() {
@Override
public void onCompleted(Response response) {
showPublishResult(message,
response.getGraphObject(),
response.getError());
}
});
request.executeAsync();
} else {
pendingAction = PendingAction.POST_STATUS_UPDATE;
}
}
private boolean hasPublishPermission() {
Session session = Session.getActiveSession();
return session != null
&& session.getPermissions().contains("publish_actions");
}
private void performPublish(PendingAction action, boolean allowNoSession) {
Session session = Session.getActiveSession();
if (session != null) {
pendingAction = action;
if (hasPublishPermission()) {
// We can do the action right away.
handlePendingAction();
return;
} else if (session.isOpened()) {
// We need to get new permissions, then complete the action when
// we get called back.
session.requestNewPublishPermissions(new Session.NewPermissionsRequest(
this, PERMISSION));
return;
}
}
if (allowNoSession) {
pendingAction = action;
handlePendingAction();
}
}
}
清单：
<meta-data
android:name="com.facebook.sdk.ApplicationId"
android:value="@string/app_id" />
<application>
<activity
android:name="com.pakg.appname.ShareScoreActivity"
android:configChanges="orientation|keyboardHidden|screenSize"
android:label="@string/title_activity_score"
android:screenOrientation="landscape" >
</activity>
<activity
android:name="com.facebook.LoginActivity"
android:configChanges="orientation|keyboardHidden|screenSize|navigation"
android:label="@string/app_name"
android:screenOrientation="landscape"
android:theme="@android:style/Theme.Translucent.NoTitleBar" />
</application>