Notifee does not support extra params from Android intent back to JS

[aureosouza]

@helenaford based on discussions from here and using similar solution as here. we are trying to fetch the custom data on Android overriding the handleIntent method from ReactNativeFirebaseMessagingService (react-native-firebase). As we won't be sending data only notifications to solve this currently, so just like iOS, we want to try to get from same notification:

public class ReactNativeFirebaseMessagingService extends FirebaseMessagingService {
...
@Override
  public void handleIntent(Intent intent) {
    Bundle extras = intent.getExtras();

    try {
      RemoteMessage message = new RemoteMessage(extras);
      RemoteMessage.Notification notificationData = message.getNotification();

      // Short-circuit if this is not a display notification
      if (notificationData == null) {
        super.handleIntent(intent);
        return;
      }

      // 1. Filter the notification as needed using data payload, clickAction, etc.
      if (message.getData().containsKey("mydata")) {
        // 2. Manually display notifications that match your filter
        Map<String, String> data = message.getData();

        // Create an intent that will be triggered when the user clicks the notification
        for (Map.Entry<String, String> entry : data.entrySet()) {
          intent.putExtra(entry.getKey(), entry.getValue());
        }
        super.handleIntent(intent);
        return;
      }

    } catch (Exception e) {
      super.handleIntent(intent);
      return;
    }

    // 3. Fall-through to this for everything else
    super.handleIntent(intent);
  }
  ...
}

And we are able to see our data correctly when logging in native, when adding extras to intent here intent.putExtra(entry.getKey(), entry.getValue());. The problem is that when we call on JS side:

   import notifee from '@notifee/react-native';
   ...
   const notifications = await notifee.getDisplayedNotifications();

Our notifications does not have the data params, we did some investigation on notifee code and noticed when calling getDisplayedNotifications on native module we fetch this List:

 public static List b() throws Exception {
        ArrayList var0;
        var0 = new ArrayList.<init>();
        if (VERSION.SDK_INT < 23) {
            return var0;
        } else {
            StatusBarNotification[] var1;
            int var2 = (var1 = ((NotificationManager)e.a.getSystemService("notification")).getActiveNotifications()).length;

            for(int var3 = 0; var3 < var2; ++var3) {
                StatusBarNotification var4;
                Notification var5;
                Bundle var6;
                Bundle var10000 = var6 = (var5 = (var4 = var1[var3]).getNotification()).extras;
                Bundle var7;
                var7 = new Bundle.<init>();
                Bundle var8;
                var10000 = var8 = var10000.getBundle("notifee.notification");
                Bundle var9 = var6.getBundle("notifee.trigger");
                if (var10000 == null) {
                    Bundle var10001 = var8 = new Bundle;
                    var10001.<init>();
                    var10001.putString("id", "" + var4.getId());
                    Object var10;
                    if ((var10 = var6.get("android.title")) != null) {
                        var8.putString("title", var10.toString());
                    }

                    if ((var10 = var6.get("android.text")) != null) {
                        var8.putString("body", var10.toString());
                    }

                    Object var11;
                    if ((var11 = var6.get("android.subText")) != null) {
                        var8.putString("subtitle", var11.toString());
                    }

                    var6 = new Bundle.<init>();
                    if (VERSION.SDK_INT >= 26) {
                        var6.putString("channelId", var5.getChannelId());
                    }

                    var6.putString("tag", var4.getTag());
                    var6.putString("group", var5.getGroup());
                    var8.putBundle("android", var6);
                    var7.putString("id", "" + var4.getId());
                } else {
                    var7.putString("id", "" + var8.get("id"));
                }

                if (var9 != null) {
                    var7.putBundle("trigger", var9);
                }

                var7.putBundle("notification", var8);
                var7.putString("date", "" + var4.getPostTime());
                var0.add(var7);
            }

            return var0;
        }
    }

And there is only a strict specific set of variables being sent using putString and putBundle. Is there a way for notifee to pass any extra params from intent back to JS, if they exist?

[aureosouza]

FYI we had to implement a patch for this, we've added an extra fetchNotificationData to getDisplayedNotifications module method, that injects the data param from firebase (if it exists):

private List<Bundle> fetchNotificationData(List<Bundle> aBundleList) {
    NotificationManager notificationManager = (NotificationManager) getReactApplicationContext().getSystemService(Context.NOTIFICATION_SERVICE);
    if (notificationManager != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
      StatusBarNotification[] activeNotifications = notificationManager.getActiveNotifications();

      for (StatusBarNotification sbn : activeNotifications) {
        Notification notification = sbn.getNotification();
        Bundle extras = notification.extras;

        if (extras != null) {
          Bundle data = extras.getBundle("data");
          if (data != null) {
            for (Bundle originalBundle : aBundleList) {
              Bundle originalNotificationBundle = originalBundle.getBundle("notification");
              if (originalNotificationBundle != null && originalNotificationBundle.getString("id").equals(String.valueOf(sbn.getId()))) {
                originalNotificationBundle.putBundle("data", data);
              }
            }
          }
        }
      }
    }
    return aBundleList;
  }

  @ReactMethod
  public void getDisplayedNotifications(Promise promise) {
    Notifee.getInstance()
      .getDisplayedNotifications(
        (e, aBundleList) -> NotifeeReactUtils.promiseResolver(promise, e, fetchNotificationData(aBundleList)));
  }

And firebase needs to inject the data param as well, for this we added a handleIntent override for the class that extends FirebaseMessagingService (in our case we use react-native-firebase, so that would be ReactNativeFirebaseMessagingService):

private void createNotificationChannel() {
    // Same as Firebase SDK default channel name and ids
    NotificationChannel channel = new NotificationChannel("fcm_fallback_notification_channel", "Miscellaneous", NotificationManager.IMPORTANCE_HIGH);
    NotificationManager notificationManager = getSystemService(NotificationManager.class);
    notificationManager.createNotificationChannel(channel);
  }

  private int getNotificationIcon() {
    int iconResId;
    iconResId = getResources().getIdentifier("ic_notification", "drawable", getPackageName());
    if (iconResId == 0) {
      iconResId = getApplicationInfo().icon;
    }

    return iconResId;
  }

  @Override
  public void handleIntent(Intent intent) {
    Bundle extras = intent.getExtras();

    try {
      RemoteMessage message = new RemoteMessage(extras);
      RemoteMessage.Notification notificationData = message.getNotification();

      if (notificationData == null) {
        super.handleIntent(intent);
        return;
      }

      Bundle customExtras = new Bundle();
      for (Map.Entry<String, String> entry : message.getData().entrySet()) {
        customExtras.putString(entry.getKey(), entry.getValue());
      }
      createNotificationChannel();

      NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this, "fcm_fallback_notification_channel")
        .setSmallIcon(getNotificationIcon())
        .setContentTitle(notificationData.getTitle())
        .setContentText(notificationData.getBody())
        .setAutoCancel(true)
        .setPriority(NotificationCompat.PRIORITY_HIGH);

      notificationBuilder.getExtras().putBundle("data", customExtras);
      NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
      // Same as tag from Firebase SDK is built
      notificationManager.notify("FCM-Notification:" + SystemClock.uptimeMillis(), 0, notificationBuilder.build());

    } catch (Exception e) {
      super.handleIntent(intent);
    }
  }

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[mikehardy]

Saw this come through me feed as a close - @aureosouza if you proposed PRs for this (maybe you have but I haven't seen them?) this looks like something we could integrate in react-native-firebase + notifee