Didreceiveremotenotification Not Called in Background Mode

didReceiveRemoteNotification not working in the background

Implementing didReceiveRemoteNotification and didReceiveRemoteNotification:fetchCompletionHandler is the correct way, but you also need to do the following:

Make sure to register for remote notifications, see documentation here:

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{    
    [[UIApplication sharedApplication] registerForRemoteNotificationTypes:(UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound)];

    return YES;
}

Also make sure to edit Info.plist and check the "Enable Background Modes" and "Remote notifications" check boxes:

Additionally, you need to add "content-available":1 to your push notification payload, otherwise the app won't be woken if it's in the background (see documentation here updated):

For a push notification to trigger a download operation, the
notification’s payload must include the content-available key with its
value set to 1. When that key is present, the system wakes the app in
the background (or launches it into the background) and calls the app
delegate’s
application:didReceiveRemoteNotification:fetchCompletionHandler:
method. Your implementation of that method should download the
relevant content and integrate it into your app

So payload should at least look like this:

{
    aps = {
        "content-available" : 1,
        sound : ""
    };
}

didReceiveRemoteNotification not called swift

The reason was that I accepted receive notification when I install my app with GoogleService-Info.list from first console. So, if you change the console, of course you change the GoogleService-Info.list, and you should again to accept receive notification!!! If you don't to accept, didReceiveRemoteNotification will not call!

P.S.
In my variant I'm implement notification with swizzling. If you chose the same way, be sure that in your Info.plist file you have property FirebaseAppDelegateProxyEnabled which value setup as YES

Swift didReceiveRemoteNotification not called

try once your delegete method in this place

func application(application: UIApplication, didReceiveRemoteNotification userInfo: [NSObject : AnyObject]) {

call this one

 func application(application: UIApplication,  didReceiveRemoteNotification userInfo: [NSObject : AnyObject],  fetchCompletionHandler completionHandler: (UIBackgroundFetchResult) -> Void) {

    print("Recived: \(userInfo)")

    completionHandler(.NewData)

}

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