Android notifications

Skill ComeOnOliver/skillshub/skills/HoangNguyen0403/agent-skills-standard/android-notifications

Push notifications for Android using Firebase Cloud Messaging and NotificationCompat. Use when integrating FCM or local notifications in Android apps. (triggers: **/*Notification*.kt, **/MainActivity.kt, FirebaseMessaging, NotificationCompat, NotificationChannel, FCM)From its SKILL.md

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npx -y skills add ComeOnOliver/skillshub --skill android-notifications

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SKILL.md

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Android Notifications

Priority: P2 (OPTIONAL)

Push notifications using Firebase Cloud Messaging.

Implementation Guidelines

Channels: Create NotificationChannel with a unique ID (required for API 26+). Notifications without a valid channel are silently dropped. Use NotificationCompat for backwards compatibility.
Permissions: Explicitly request POST_NOTIFICATIONS on Android 13+ (API 33). Avoid requesting system permission on app launch; show a priming dialog first to explain the benefit.
Service: Implement FirebaseMessagingService with onMessageReceived and onNewToken for background push handling. Declare the service in AndroidManifest with the MESSAGING_EVENT intent action.
Flow: Handle notification taps in both onCreate and onNewIntent using PendingIntent. Pass data between activities via Intent extras.
Payload: Limit the notification payload to essential IDs. Perform background data fetching via WorkManager if more data is needed.

Anti-Patterns

No Missing Channel: Notifications fail silently without channels on API 26+.
No Unconditional Requests: Don't spam permission dialog on first launch.
No Missing Manifest: Service must be declared with MESSAGING_EVENT action.

References

Implementation Details

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