我们可以以编程方式注销Facebook吗？

问题描述

我有Facebook登录我的iphone应用程序使用Facebook sdk-3.1。登录后，它将进入我的应用程序，那里，我没有给任何注销按钮.so，当我们点击按钮登录与我，我会得到以前的用户Facebook帐户。

为了解决这个问题，我给了按钮注销。

我如何以编程方式注销Facebook点击按钮

正在提供这样的登录

   - （IBAction）登录：（id）sender 
 {
 
 appDelegate =（AppDelegate *）[[UIApplication sharedApplication] delegate]; 
 appDelegate.getActionForLoginbtn = @LoginwithFB; 
 [appDelegate openSessionWithAllowLoginUI：YES]; 
 
 
 
  - （BOOL）openSessionWithAllowLoginUI：（BOOL）allowLoginUI {
 
 
 NSArray * permissions = [[NSArray alloc] initWithObjects ：@email，nil]; 
 return [FBSession openActiveSessionWithReadPermissions：permission allowLoginUI：allowLoginUI completionHandler：^（FBSession * session，FBSessionState state，NSError * error）{
 [self sessionStateChanged：session state：state error：error]; 
}]; 
} 
  

解决方案

使用此代码： p>

  if（FBSession.activeSession.isOpen）
 {
 [FBSession.activeSession closeAndClearTokenInformation]; 
} 
  

I have facebook login in my iphone app using facebook sdk-3.1 .After login it will get in to my app and there i didnot give any logout button .so,when we click button login with facebook i will get the previous user facebook account .

Inorder to resolve this problem iam giving button logout.

how can i logout facebook programatically on clicking button

am giving login like this

-(IBAction)Login:(id)sender
{

    appDelegate = (AppDelegate *) [[UIApplication sharedApplication] delegate];
     appDelegate.getActionForLoginbtn=@"LoginwithFB";
       [appDelegate openSessionWithAllowLoginUI:YES];
}


-(BOOL)openSessionWithAllowLoginUI:(BOOL)allowLoginUI{


    NSArray *permissions=[[NSArray alloc]initWithObjects:@"email", nil];
    return[FBSession openActiveSessionWithReadPermissions:permissions allowLoginUI:allowLoginUI completionHandler:^(FBSession *session, FBSessionState state, NSError *error) {
        [self sessionStateChanged:session state:state error:error];
    }];
}

解决方案

Use this code :

if (FBSession.activeSession.isOpen)
    {
        [FBSession.activeSession closeAndClearTokenInformation];
    }

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