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LoginUI を実行してキャンセル ボタンをクリックすると、再度ログインできないよりもログインを試みます

Iphone4s / ios6.1.3 と Facebook SDK 3.2.1 を iOS で使用しようとしましたが、ログインをキャンセルしても再度ログインできました。

iphone5で何が起こった:

[FBSession.activeSession closeAndClearTokenInformation]; うまくいかない

これが私のコードです:

 - (void)sessionStateChanged:(FBSession *)session
                      state:(FBSessionState) state
                      error:(NSError *)error
    {
        switch (state) {
            case FBSessionStateOpen:
                if (!error) {
                }

        break;
    case FBSessionStateClosed:
    case FBSessionStateClosedLoginFailed:
        [FBSession.activeSession closeAndClearTokenInformation];

        break;
    default:
        break;
}

[[NSNotificationCenter defaultCenter]
 postNotificationName:FBSessionStateChangedNotification
 object:session];

if (error) {
    UIAlertView *alertView = [[UIAlertView alloc]
                              initWithTitle:@"Error"
                              message:error.localizedDescription
                              delegate:nil
                              cancelButtonTitle:@"OK"
                              otherButtonTitles:nil];
    [alertView show];
    }
}

- (BOOL)openSessionWithAllowLoginUI:(BOOL)allowLoginUI {
    return [FBSession openActiveSessionWithReadPermissions:nil
                                              allowLoginUI:allowLoginUI
                                         completionHandler:^(FBSession *session,
                                                             FBSessionState state,
                                                             NSError *error) {
                                             [self sessionStateChanged:session
                                                                 state:state
                                                                 error:error];
                                         }];
}

- (void) closeSession {
    [FBSession.activeSession closeAndClearTokenInformation];
}

- (BOOL)application:(UIApplication *)application
            openURL:(NSURL *)url
  sourceApplication:(NSString *)sourceApplication
         annotation:(id)annotation {

    return [FBSession.activeSession handleOpenURL:url];
}


- (void)sessionStateChanged:(NSNotification*)notification {

    if (FBSession.activeSession.isOpen) {

        if (nil == self.facebook) {
            self.facebook = [[Facebook alloc]
                             initWithAppId:FBSession.activeSession.appID
                             andDelegate:nil];

            self.facebook.accessToken = FBSession.activeSession.accessTokenData.accessToken;
            self.facebook.expirationDate = FBSession.activeSession.accessTokenData.expirationDate;
        }
    } else {
        self.facebook = nil;
    }
}

- (void) Loginfb {
    AppDelegate *appDelegate =
    [[UIApplication sharedApplication] delegate];

    if (FBSession.activeSession.isOpen) {
    } else {   
        [appDelegate openSessionWithAllowLoginUI:YES];
    }

どうすればこれを解決できますか?Thanks in advance.

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1 に答える 1