UitbreidenOS When to activate
- Setting up push notification infrastructure
- Implementing notification handlers in mobile apps
- Configuring APNs certificates or FCM service accounts
- Designing notification payloads with actions and deep links
- Debugging notification delivery issues
When NOT to use
- For email notification systems
- For in-app messaging only
- For SMS notification services
Instructions
- Choose provider. Firebase Cloud Messaging (FCM) for both platforms, or APNs + FCM separately for more control.
- iOS setup. Generate APNs key (.p8) in Apple Developer Portal. Configure in FCM console or custom server.
- Android setup. Create Firebase project, download
google-services.json. Configure FCM in AndroidManifest.xml. - Client implementation. Request permission, register for token, handle foreground/background/killed states, implement action buttons.
- Server-side. Token management, payload construction, scheduling, batching. Use topics for broadcast, tokens for targeted.
- Deep linking. Include deep link URL in notification payload. App opens to specific screen on tap.
- Testing. Test on real devices (simulators don't receive push). Use FCM console or Postman for test sends.
Example
{
"notification": {
"title": "New message from Alex",
"body": "Hey, are you free for lunch today?",
"image": "https://cdn.example.com/avatar/alex.jpg"
},
"data": {
"type": "message",
"conversationId": "conv_123",
"deepLink": "app://chat/conv_123"
},
"android": {
"priority": "high",
"notification": { "channel_id": "messages" }
},
"apns": {
"payload": {
"aps": { "sound": "default", "badge": 1, "category": "MESSAGE" }
}
}
}