Swift 4 Firebase Cloud Messaging only works with single device - ios

Question

In my app I am trying to set up Push notifications Using Firebase Cloud Messaging.
When I try and send a notification using a single device and FCM key, I receive the notification. However, it does not work for User segment when I select the targeted app.
Here is my App delegate setup:
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
// Firebase
FirebaseApp.configure()
FirebaseConfiguration.shared.setLoggerLevel(.min)
// Push notifications
application.registerForRemoteNotifications()
setupPush(application: application)
if #available(iOS 10.0, *) {
let authOptions : UNAuthorizationOptions = [.alert, .badge, .sound]
UNUserNotificationCenter.current().requestAuthorization(
options: authOptions,
completionHandler: {_,_ in })
// For iOS 10 display notification (sent via APNS)
UNUserNotificationCenter.current().delegate = self
// For iOS 10 data message (sent via FCM)
Messaging.messaging().delegate = self
} else {
let settings: UIUserNotificationSettings =
UIUserNotificationSettings(types: [.alert, .badge, .sound], categories: nil)
UIApplication.shared.registerUserNotificationSettings(settings)
}
UIApplication.shared.registerForRemoteNotifications()
}
#available(iOS 10, *)
extension AppDelegate : UNUserNotificationCenterDelegate {
// iOS10+, called when presenting notification in foreground
func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: #escaping (UNNotificationPresentationOptions) -> Void) {
let userInfo = notification.request.content.userInfo
NSLog("[UserNotificationCenter] applicationState: \(applicationStateString) willPresentNotification: \(userInfo)")
//TODO: Handle foreground notification
completionHandler([.alert])
}
// iOS10+, called when received response (default open, dismiss or custom action) for a notification
func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: #escaping () -> Void) {
let userInfo = response.notification.request.content.userInfo
NSLog("[UserNotificationCenter] applicationState: \(applicationStateString) didReceiveResponse: \(userInfo)")
//TODO: Handle background notification
completionHandler()
}
// Setup APNS token for Firebase
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
#if PROD_BUILD
Messaging.messaging().setAPNSToken(deviceToken, type: .prod)
#else
Messaging.messaging().setAPNSToken(deviceToken, type: .sandbox)
#endif
}
extension AppDelegate : MessagingDelegate {
func messaging(_ messaging: Messaging, didReceiveRegistrationToken fcmToken: String) {
NSLog("[RemoteNotification] didRefreshRegistrationToken: \(fcmToken)")
}
// iOS9, called when presenting notification in foreground
func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable : Any]) {
NSLog("[RemoteNotification] applicationState: \(applicationStateString) didReceiveRemoteNotification for iOS9: \(userInfo)")
if UIApplication.shared.applicationState == .active {
//TODO: Handle foreground notification
} else {
//TODO: Handle background notification
}
}