Facebook iOS SDK 3.0 – 会话未打开
我正在使用最新的Facebook iOS SDK 3.0
我需要在login过程中的帮助:
首先我在AppDelegate.h
声明这个属性:
@property (nonatomic, strong) FBSession *session;
并在ViewController类我得到这个在代码中使用它,如下所示:
AppDelegate *delegate = [[UIApplication sharedApplication]delegate]; [delegate.session someproperty];
我也有ViewController中的这个方法,从viewDidLoad
调用:
-(void)login { AppDelegate *delegate = [[UIApplication sharedApplication]delegate]; [delegate.session accessToken]; NSLog(@"%d",delegate.session.isOpen); if (!delegate.session.isOpen) { delegate.session = [[FBSession alloc] init]; if (delegate.session.state == FBSessionStateCreatedTokenLoaded) { [delegate.session openWithCompletionHandler:^(FBSession *session, FBSessionState status, NSError *error) { NSLog(@"%d", delegate.session.isOpen); // First Line ////////////////// }]; } NSLog(@"%@", delegate.session.description); // Second Line ////////////////// } }
facebook应用获得授权后,第一个NSLog
打印为零,第二个NSLog
表明session
状态是FBSessionStateCreated
而不是FBSessionStateOpen
?
这是第二个NSLog
的输出:
2012-08-16 18:37:24.327 Facebook3[2418:f803] <FBSession: 0x6890ff0, state: FBSessionStateCreated, loginHandler: 0x0, appID: 193716877424306, urlSchemeSuffix: , tokenCachingStrategy:<FBSessionTokenCachingStrategy: 0x6890f20>, expirationDate: (null), refreshDate: (null), attemptedRefreshDate: 0001-12-30 00:00:00 +0000, permissions:()>
我在这里错过了什么。
注意:在https://developers.facebook.com的应用程序设置中,我将应用程序configuration为:1-为iOS SSOconfiguration:已启用2- iOS本机深度链接:已启用3- iOS软件包ID:com.mycompany.appname
我用这个框架为我的项目。 它工作正常。 这是我的相关代码
-(IBAction)logIn:(id)sender; { AppDelegate *appdelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate]; if (!FBSession.activeSession.isOpen) { [appdelegate sessionOpener]; } else { [self loginHelp]; }
和我的sessionOpenerfunction是;
-(void) sessionOpener { [FBSession sessionOpenWithPermissions:nil completionHandler:^(FBSession *session, FBSessionState status, NSError *error) { // session might now be open. if (!error) { [self.viewController loginHelp]; } }]; NSLog(@"%d", FBSession.activeSession.isOpen); NSLog(@"%@", FBSession.activeSession.description ); }
这个对我有用。 可能对你有帮助。
和我的控制台打印是:
1 2012-08-16 22:24:55.899 TaraftarlikOyunu[838:c07] <FBSession: 0xd2512c0, state: FBSessionStateOpen, loginHandler: 0xd250240, appID: 433294056715040, urlSchemeSuffix: , tokenCachingStrategy:<FBSessionTokenCachingStrategy: 0xd24fda0>, expirationDate: 2012-10-15 19:02:34 +0000, refreshDate: 2012-08-16 19:05:03 +0000, attemptedRefreshDate: 0001-12-30 00:00:00 +0000, permissions:( )>
我遇到同样的问题,因为在调用handleOpenURL时,我和FBSession之间使用了FBSession和FBSession的实例。 我改变了
- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation { [FBSession.activeSession facebookSession handleOpenURL:url]; }
对此
- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation { [session facebookSession handleOpenURL:url]; }