退出facebook sdk 3.08 [英] Logout facebook sdk 3.08

问题描述

我有一个问题，我的Facebook应用程序的断开是一个简单的应用程序，上传一张照片到Facebook。
要登录会导致您注销Safari，但不完全注销，并且在我的帐户中进行下一次登录。我已经看到php中的几个选项，但不工作。代码附加

   - （void）viewDidLoad 
 {
 [buttonPost setHidden：NO]; 
 
 FBLoginView * loginview = [[FBLoginView alloc] initWithPermissions：[NSArray arrayWithObject：@publish_actions]]; 
 
 loginview.frame = CGRectOffset（loginview.frame，5，5）; 
 loginview.delegate = self; 
 
 [self.view addSubview：loginview]; 
 
 [loginview sizeToFit]; 
} 
 
  - （IBAction）发布：（UIButton *）发件人{
 [FBRequestConnection startForUploadPhoto：self.imageScreen completionHandler：^（FBRequestConnection * connection，id result，NSError * error ）
 {
 [self showAlert：@照片发布结果：结果错误：错误]; 
}]; 
} 
 
  - （void）loginViewShowingLoggedOutUser：（FBLoginView *）loginView {
 [self.buttonPost setHidden：YES]; 
 
 self.labelFirstName.text = nil; 
 
 
} 
  - （void）loginViewShowingLoggedInUser：（FBLoginView *）loginView {
 //首先获取设置为登录模式的按钮
 [self。 buttonPost setHidden：NO]; 
 
} 
  - （void）loginViewFetchedUserInfo：（FBLoginView *）loginView用户：（id< FBGraphUser>）user {
 //这里我们使用FBGraphUser的帮助器属性，从服务器到json响应的first_name和
 // id属性;或者我们可以使用
 // NSDictionary方法，如objectForKey从我的json对象获取值
 self.labelFirstName.text = [NSString stringWithFormat：@Hello％@！，user.first_name]; 
 //设置FBProfilePictureView实例的profileID属性
 //使控件获取并显示用户的配置文件图片
 self.loggedInUser = user; 
 
 
  - （void）showAlert：（NSString *）消息
结果：（id）结果
错误：（NSError *）错误{
 
 NSString * alertMsg; 
 NSString * alertTitle; 
 if（error）{
 alertMsg = error.localizedDescription; 
 alertTitle = @Error; 
} else {
 NSDictionary * resultDict =（NSDictionary *）result; 
 alertMsg = [NSString stringWithFormat：@Successfully posted，
 message，[resultDict valueForKey：@id]]; 
 alertTitle = @成功; 
} 
 
 UIAlertView * alertView = [[UIAlertView alloc] initWithTitle：alertTitle 
 message：alertMsg 
委托：nil 
 cancelButtonTitle：@OK
 otherButtonTitles：nil]; 
 [alertView show]; 
} 
  

解决方案

cookie和缓存机制。

不幸的是，我知道让Safari忘记以前登录凭据的唯一方法是清除设备设置中的Cookie和数据。 p>

我没有真正尝试过，但我确信，当您使用FBSession而不是FBLoginView时，也会发生这种情况。

I have a problem with the disconnection of my facebook app is a simple app, upload a photo to facebook. To login brings you do logout safari but not completely log off and the next login it does on my account. I have seen several options in php but not working. code attached

- (void)viewDidLoad
{
[buttonPost setHidden:NO];

        FBLoginView *loginview = [[FBLoginView alloc] initWithPermissions:[NSArray arrayWithObject:@"publish_actions"]];

        loginview.frame = CGRectOffset(loginview.frame, 5, 5);
        loginview.delegate = self;

        [self.view addSubview:loginview];

        [loginview sizeToFit];
}

- (IBAction)Post:(UIButton *)sender{
    [FBRequestConnection startForUploadPhoto:self.imageScreen completionHandler:^(FBRequestConnection *connection, id result, NSError *error)
        {
            [self showAlert:@"Photo Post" result:result error:error];
        }];
}

- (void)loginViewShowingLoggedOutUser:(FBLoginView *)loginView {
    [self.buttonPost setHidden:YES];

    self.labelFirstName.text = nil;


}
- (void)loginViewShowingLoggedInUser:(FBLoginView *)loginView {
    // first get the buttons set for login mode
   [self.buttonPost setHidden:NO];

}
- (void)loginViewFetchedUserInfo:(FBLoginView *)loginView user:(id<FBGraphUser>)user {
    // here we use helper properties of FBGraphUser to dot-through to first_name and
    // id properties of the json response from the server; alternatively we could use
    // NSDictionary methods such as objectForKey to get values from the my json object
    self.labelFirstName.text = [NSString stringWithFormat:@"Hello %@!", user.first_name];
    // setting the profileID property of the FBProfilePictureView instance
    // causes the control to fetch and display the profile picture for the user
    self.loggedInUser = user;
}

- (void)showAlert:(NSString *)message
           result:(id)result
            error:(NSError *)error {

    NSString *alertMsg;
    NSString *alertTitle;
    if (error) {
        alertMsg = error.localizedDescription;
        alertTitle = @"Error";
    } else {
        NSDictionary *resultDict = (NSDictionary *)result;
        alertMsg = [NSString stringWithFormat:@"Successfully posted",
                    message, [resultDict valueForKey:@"id"]];
        alertTitle = @"Success";
    }

    UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:alertTitle
                                                        message:alertMsg
                                                       delegate:nil
                                              cancelButtonTitle:@"OK"
                                              otherButtonTitles:nil];
    [alertView show];
}

解决方案

This problem is related to Safari's cookies and cache mechanisms.

Unfortunately the only way I know to get Safari to forget about the previous login credentials is to clear the Cookies and Data in the devices Settings.

I haven't really tried but I am quite sure that this also happens when you use the FBSession as opposed to the FBLoginView.

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