brudcast_push

Push notifications for the Brudcast Flutter SDK. Brudcast sends through FCM, and this package works alongside firebase_messaging, which owns the Firebase integration.

Features

• Registers the FCM token for the signed-in user, and detaches it on logout.
• Records opens natively, with no Dart code, including the tap that launches the app, and routes the notification's link through the action handler.
• Shows Brudcast notifications that arrive in the foreground on Android, which firebase_messaging leaves to the app.
• Asks for notification permission, and reports the status as it changes.
• A handler to show or suppress notifications that arrive while the app is open.

Platform support

Android	iOS
API 24 and later	14 and later, with Swift Package Manager

Getting started

flutter pub add brudcast_flutter brudcast_push firebase_core firebase_messaging

or in pubspec.yaml:

dependencies:
  brudcast_flutter: ^0.2.0
  brudcast_push: ^0.2.0
  firebase_core: ^4.0.0
  firebase_messaging: ^16.0.0

1. Set up brudcast_flutter, and Firebase for both platforms as its documentation describes.

2. Link the in-app application to a push application in the Brudcast dashboard.

3. Add the module when you initialise:

   await Brudcast.initialize('bpk_...', const BrudcastOptions(modules: [BrudcastPush.module]));
   

Android: do not declare BrudcastFirebaseMessagingService from the native SDK in your manifest. Android gives MESSAGING_EVENT to one service, and firebase_messaging declares its own. The small icon is the one set for FCM in the manifest's com.google.firebase.messaging.default_notification_icon meta-data, then a plain bell.

iOS: add the Push Notifications capability to the Runner target. The plugin makes Flutter's app delegate the notification center's delegate when nothing else has set one, so every plugin receives notification callbacks; if your app sets its own delegate, forward didReceive and willPresent to super. For images and push_received, add a Notification Service Extension whose class extends BrudcastNotificationServiceExtension from the BrudcastNotificationService product of brudcast-sdk-ios, share an App Group between it and the app, and pass the group as BrudcastOptions.appGroupIdentifier.

Usage

Connect firebase_messaging

await Firebase.initializeApp();
final messaging = FirebaseMessaging.instance;

final token = await messaging.getToken();
if (token != null) Brudcast.push.setToken(token);
messaging.onTokenRefresh.listen(Brudcast.push.setToken);

FirebaseMessaging.onMessage.listen((message) {
  Brudcast.push.handleForegroundMessage(
    message.data,
    title: message.notification?.title,
    body: message.notification?.body,
    imageUrl: message.notification?.android?.imageUrl,
  );
});

handleForegroundMessage shows Brudcast notifications on Android and does nothing on iOS, where the system shows them, so call it on both platforms. It returns false for messages from other senders.

firebase_messaging's background handler runs in a separate isolate where the plugin is not attached. Only BrudcastPush.isBrudcastNotification(message.data) is safe there, and Brudcast notifications need nothing in it.

Ask for permission

final status = await Brudcast.push.requestPermission();

ValueListenableBuilder<BrudcastPushPermission>(
  valueListenable: Brudcast.push.permissionStatus,
  builder: (context, status, _) => Text(status.name),
);

Android 13 and later and iOS show a prompt. requestPermission(provisional: true) asks iOS for quiet delivery without one.

Foreground notifications

await Brudcast.push.setNotificationHandler((notification) async {
  return onChatScreen ? BrudcastNotificationDecision.suppress : BrudcastNotificationDecision.show;
});

The handler has two seconds to answer, after which the notification shows. On iOS, when firebase_messaging is installed it decides how foreground notifications are presented, from setForegroundNotificationPresentationOptions, and the handler is not asked.

Additional information

• Versions. Keep this package on the same version as brudcast_flutter; each version runs the native SDKs of the same number.
• Example. A complete app, with the whole firebase_messaging wiring, is in example.
• Documentation: docs.brudcast.com.
• Issues and contributing: file an issue or read CONTRIBUTING.md.
• License: Apache License 2.0.