facebook ios sdk 无法登出bug的解决方法

来源：互联网发布：java replace 引号编辑：程序博客网时间：2024/06/06 03:08

先说下facebook ios sdk中如何不跳到safari而在程序内登陆

//  UIDevice *device = [UIDevice currentDevice];//  if ([device respondsToSelector:@selector(isMultitaskingSupported)] && [device isMultitaskingSupported]) {//    if (tryFBAppAuth) {//      NSString *scheme = kFBAppAuthURLScheme;//      if (_urlSchemeSuffix) {//        scheme = [scheme stringByAppendingString:@"2"];//      }//      NSString *urlPrefix = [NSString stringWithFormat:@"%@://%@", scheme, kFBAppAuthURLPath];//      NSString *fbAppUrl = [FBRequest serializeURL:urlPrefix params:params];//      didOpenOtherApp = [[UIApplication sharedApplication] openURL:[NSURL URLWithString:fbAppUrl]];//    }////    if (trySafariAuth && !didOpenOtherApp) {//      NSString *nextUrl = [self getOwnBaseUrl];//      [params setValue:nextUrl forKey:@"redirect_uri"];////      NSString *fbAppUrl = [FBRequest serializeURL:loginDialogURL params:params];//      didOpenOtherApp = [[UIApplication sharedApplication] openURL:[NSURL URLWithString:fbAppUrl]];//    }//  }

在Facbook.m文件中，注释掉上面那段即可，我的版本是241到260行

然后说下无法登出的原因，先看下登出时调用的方法：

- (void)logout {    [self invalidateSession];            if ([self.sessionDelegate respondsToSelector:@selector(fbDidLogout)]) {        [self.sessionDelegate fbDidLogout];    }}

- (void)invalidateSession {    self.accessToken = nil;    self.expirationDate = nil;        NSHTTPCookieStorage* cookies = [NSHTTPCookieStorage sharedHTTPCookieStorage];    NSArray* facebookCookies = [cookies cookiesForURL:                                [NSURL URLWithString:@"http://login.facebook.com"]];        for (NSHTTPCookie* cookie in facebookCookies) {        [cookies deleteCookie:cookie];    }}

这时候我们发现他只是销毁掉了http://login.facebook.com下的cookie，所以我们的账号有时会无法正常登出，因为他没销毁https://login.facebook.com下的cookie！，所以我们需要在invalidateSession中加入如下代码：

NSArray* facebookCookies1 = [cookies cookiesForURL:                                [NSURL URLWithString:@"https://login.facebook.com"]];        for (NSHTTPCookie* cookie in facebookCookies1) {        [cookies deleteCookie:cookie];    }

简单起见我就加了个1，大家起名不要这样啊！