无法在真实设备上获取FCM令牌但无法进入模拟器

我在没有cocoa豆荚的iOS应用程序中集成了Firebase云消息。 Firebase分析工作正常。 但FCM令牌是在模拟器上接收但不是真实设备。 在真实设备上，我不断收到错误

无法获取默认令牌Error Domain = com.firebase.iid Code = 501“（null）”

1. 我已经上传了用于开发的.p12证书和prod on Firebase
2. 我已经检查了我的应用的捆绑ID以及Firebase控制台上的捆绑ID
3. 我的App ID上有Push通知启用。

这是我的代码

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [FIRApp configure]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(tokenRefreshNotification:) name:kFIRInstanceIDTokenRefreshNotification object:nil]; } - (void)application:(UIApplication *)application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings { // For iOS 10 display notification (sent via APNS) [UNUserNotificationCenter currentNotificationCenter].delegate = self; // For iOS 10 data message (sent via FCM) [FIRMessaging messaging].remoteMessageDelegate = self; [application registerForRemoteNotifications]; } - (void)application:(UIApplication *)app didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken { [[FIRInstanceID instanceID] setAPNSToken:deviceToken type:FIRInstanceIDAPNSTokenTypeSandbox]; } - (void)tokenRefreshNotification:(NSNotification *)notification { // Note that this callback will be fired everytime a new token is generated, including the first // time. So if you need to retrieve the token as soon as it is available this is where that // should be done. NSString *refreshedToken = [[FIRInstanceID instanceID] token]; NSLog(@"InstanceID token: %@", refreshedToken); // Connect to FCM since connection may have failed when attempted before having a token. [self connectToFcm]; // TODO: If necessary send token to application server. } - (void)connectToFcm { // Won't connect since there is no token if (![[FIRInstanceID instanceID] token]) { return; } // Disconnect previous FCM connection if it exists. [[FIRMessaging messaging] disconnect]; [[FIRMessaging messaging] connectWithCompletion:^(NSError * _Nullable error) { if (error != nil) { NSLog(@"Unable to connect to FCM. %@", error); } else { NSLog(@"Connected to FCM. FCM token - %@", [[FIRInstanceID instanceID] token] ); } }]; } - (void)applicationDidBecomeActive:(UIApplication *)application { [FBSDKAppEvents activateApp]; [self connectToFcm]; } - (void)applicationDidEnterBackground:(UIApplication *)application { [[FIRMessaging messaging] disconnect]; NSLog(@"Disconnected from FCM"); } 

请帮忙。

Answer 1

我解决了自己的问题。 设备的日期和时间不正确。 第二个我把它更改为当前日期和时间，Firebase开始给我FCM令牌并正确连接。 我也从Firebase Notification Console检查了推送通知。 它的工作方式比我想象的要好。