dev-client + Android: Unknown error with the FCM server

[michaelmersiades]

Please provide the following:

1. SDK Version: 44
2. Platforms(Android/iOS/web/all): Android & iOS

I’m using expo-push-sdk:0.1.4 to send push notifications from a Java backend. Locally, I’m using an expo-dev-client rather than Expo Go.

All is good in production and locally on iOS. But when sending to an ExponentPushToken from an Android device running expo-dev-client, I get this error PushTicket:

{
  "data": {
      "status": "ERROR",
      "id": "37aff728-72e9-4d52-8c05-ac49f8254d28",
      "message": "There was an unknown error with the FCM server. See this error's details for more information.",
      "details": {
         "error": null
       }
    },
  },
  "errors": null
}

Has anybody seen this before? Any ideas on what it could be?

I use different google-services.json for development and production, but I can’t see anything wrong with the development one.

The code, for what it’s worth:

@Override
public void sendMobilePushMessage(MobilePushNotificationDTO message) throws IOException {
    ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor();

    List<Message> messages = new ArrayList<>();
    messages.add(expoMessage(message));

    sendMobilePushMessages(message.getTo(), messages);

    executorService.schedule(() -> checkMobilePushReceipts(message.getTo()), 15, TimeUnit.MINUTES);
}

private Message expoMessage(MobilePushNotificationDTO message) {
    return new Message.Builder()
            .to(message.getTo())
            .title(message.getTitle())
            .body(message.getBody())
            .channelId(message.getChannelId())
            .badge(message.getBadge())
            .data(message.getData(
            .build();
}

private void sendMobilePushMessages(String token, List<Message> messages) throws IOException {
        List<List<Message>> chunks = ExpoPushClient.chunkItems(messages);

        for (List<Message> chunk : chunks) {
            try {
                PushTicketResponse response = ExpoPushClient.sendPushNotifications(chunk);
                if (response != null) {

                    List<ExpoError> errors = response.getErrors();
                    if (errors != null) {
                        // Handle errors
                    }

                 // Handle individual push ticket errors or save push ticket to db
                }
            }
        }
}