相关疑难解决方法(0)

我正在使用Facebook SDK 3.1.1在我的iOS应用程序中实现FB Connect.这在新的FB集成(在iOS上登录)或通过Web视图回退到正常授权(在两种情况下都没有安装本机Facebook应用程序)的简单情况下工作正常.我在iOS级别切换帐户时会出现此问题.注销并使用其他FB用户帐户登录.

要登录/授权我执行:

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

如果然后每次获得FBSessionStateClosedLoginFailed,即使我执行了closeAndClearTokenInformation达到该状态的时间:

- (void)sessionStateChanged:(FBSession *)session
                  state:(FBSessionState) state
                  error:(NSError *)error
{
    NSLog(@"Session State Changed: %u", [[FBSession activeSession] state]);
    switch (state) {
        case FBSessionStateOpen:
            break;
        case FBSessionStateClosed:
        case FBSessionStateClosedLoginFailed:
            NSLog(@"FBSessionStateClosedLoginFailed ERROR: %@", [error description]);
            [[FBSession activeSession] closeAndClearTokenInformation];
            break;
        default:
            break;
}

但是,每次重试都会收到相同的状态.我的日志说明如下:

FBSDKLog: FBSession **INVALID** transition from FBSessionStateCreated to FBSessionStateClosed
FBSDKLog: FBSession transition from FBSessionStateCreated to FBSessionStateCreatedOpening 
FBSDKLog: FBSession transition from …