firebase_messaging_watchos 0.2.0

watchOS implementation of firebase_messaging, bridging the Firebase Apple SDK (FirebaseMessaging) over dart:ffi for tokens, topics, and messages.

0.2.0

• Breaking: works with firebase_messaging 17.x, and needs it. The package now depends on firebase_core: ^5.0.0 (was ^4.0.0) and firebase_messaging_platform_interface: ^4.11.0 (was ^4.9.0), the first version of the platform interface for firebase_core 5.x. An app that stays on firebase_messaging 16.x keeps 0.1.1.
• The watch still links the Firebase Apple SDK 11.x through watchos/Package.swift. The newer SDK that firebase_messaging 17.x uses on iOS and macOS does not apply to it.
• register, unregister, onRegistered and onUnregistered, the Firebase Installation ID registration that firebase_messaging 17.0.0 adds, are not implemented on watchOS yet and throw UnimplementedError. They need FIRMessaging's registerWithCompletion: and unregisterWithCompletion:, which the Firebase Apple SDK has from 12.16.0, and this package links 11.x. getToken, onTokenRefresh and deleteToken, which 17.0.0 deprecates in their favour, keep working. A new test checks the four new members.
• README: the install snippet names firebase_core: ^5.1.0, firebase_messaging: ^17.0.1 and this version, and the implemented surface lists the members that are not implemented yet.
• Example: pubspec.yaml names firebase_messaging: ^17.0.1 and firebase_core: ^5.1.0. Its code is unchanged and still calls getToken and onTokenRefresh. No native code changed, and the example was not rebuilt on the Simulator for this version.

0.1.1

• API docs and comments say "release" for handing native memory back.
• Example: the notification settings screen calls the message-content setting "Message Content".
• Example: pubspec.yaml names firebase_messaging: ^16.7.0 instead of any.

0.1.0

• Released with flutter-watchos 0.1.0. The code is the same as in the last published build.
• The watchOS implementation of firebase_messaging: a dart:ffi bridge over the Firebase Apple SDK (FirebaseMessaging) implementing tokens (getToken, getAPNSToken, deleteToken, onTokenRefresh), permissions (requestPermission, and getNotificationSettings mapped to the subset of UNNotificationSettings that watchOS has), messages (onMessage, onMessageOpenedApp, getInitialMessage), topics (subscribeToTopic, unsubscribeFromTopic), and presentation and auto-init settings.
• Receives the APNs device token and notification payloads through the flutter-watchos runner's FlutterWatchOSAppDelegate (@WKApplicationDelegateAdaptor), the only path watchOS offers for remote notifications.
• registerBackgroundMessageHandler is a no-op (watchOS has no background isolate); setDeliveryMetricsExportToBigQuery is Android and web only.
• Scaffolded with flutter-watchos plugin port, then finished by hand.
• Links the Firebase Apple SDK through the CLI's support for external SwiftPM dependencies.
• Checked on the watchOS 27.0 Simulator: the example builds and starts, and the host unit tests pass. Not yet run on a physical Apple Watch.