didRegisterForRemoteNotificationsWithDeviceToken never called on certain devices

Question

Created Jul ’15

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I have an app that has supported push notifications for years. Recently a couple of users have noticed push messages not coming through and troubleshooting this issue has been very difficult. I also have a coworker with this issue, so I have been able to test with his device a bit.

One of my users with this trouble does not see my app listed under Settings > Notifications at all. The other users do see my app listed and notifications are allowed. My iPhone as well as others I have been able to test with are receiving push notifications with no trouble.

I tested using my coworker's iPhone (running iOS 8.4) today and discovered that although [[UIApplication sharedApplication] registerForRemoteNotifications] is called, neither application:didRegisterForRemoteNotificationsWithDeviceToken: or application:didFailToRegisterForRemoteNotificationsWithError: are ever called. Apple's push troubleshooting doc (https://developer.apple.com/library/ios/technotes/tn2265/_index.html) only mentions this can happen when the device can't connect to the internet. This is definitely not the case on this device.

My certificates and provisioning profiles are valid. I haven't touched this area of the code recently, so I am at a loss for what could be causing this issue. Any guidance would be appreciated.

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Answer 1

j22chan OP

Sep ’15

I am having this issue too!!!

It's only for certain devices but on the one that I can reproduce none of the notification delegates ever gets called back. I did the following to register

UIUserNotificationSettings *mySettings = [UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeAlert|UIUserNotificationTypeBadge|UIUserNotificationTypeSound categories:nil];
        [[UIApplication sharedApplication] registerUserNotificationSettings:mySettings];
      
        NSLog(@"About to register for notification");
      
        [[UIApplication sharedApplication] registerForRemoteNotifications];

I get nothing at all! Not even an error! It's so strange

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Answer 2

j22chan OP

Sep ’15

I created issue 22568424.

I suspect it happens when someone disable notification for the app on settings and re-enable after a long time. But i'm not entirely sure...

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Answer 3

nullriver OP

Sep ’15

Same exact problem here. Neither of the delegate methods get called, even though the user has push notifications enabled in Settings and registration is done correctly *for sure*.

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