MacroBalance/test_notification_instructions.txt at main · Sharathchenna/MacroBalance · GitHub

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# Notification Testing Instructions

## Testing Notifications in Your MacroTracker App

### Issues Found and Fixed:

1. **NotificationService not awaited**: Fixed in main.dart - now properly awaits initialization
2. **Missing Android permissions**: Added notification permissions to AndroidManifest.xml
3. **Missing iOS notification usage description**: Added to Info.plist
4. **Improved error handling and debugging**: Enhanced NotificationService with better logging

### How to Test Notifications:

#### 1. Test Local Notifications (Easiest):
```dart
// Call this from anywhere in your app to test local notifications
NotificationService().scheduleTestLocalNotification();
```

#### 2. Test Firebase Cloud Messaging (FCM):
```dart
// Call this to test FCM (requires user to be logged in)
try {
  await NotificationService().testFirebaseCloudMessaging();
  print('FCM test notification sent successfully');
} catch (e) {
  print('FCM test failed: $e');
}
```

### Common Issues and Solutions:

#### iOS Issues:
- **Permission Denied**: Go to Settings > Your App > Notifications and enable them
- **No APNs Certificate**: Make sure you have a valid APNs certificate in Firebase Console
- **Provisioning Profile**: Ensure your provisioning profile includes push notification capability

#### Android Issues:
- **Android 13+ Permissions**: The app now requests POST_NOTIFICATIONS permission
- **Notification Channel**: Make sure the channel is created (handled automatically now)
- **Google Services**: Ensure google-services.json is properly configured

### Debugging Steps:

1. **Check Console Logs**: Look for logs prefixed with `[NotificationService]`
2. **Test Local First**: Always test local notifications before FCM
3. **Check Permissions**: Verify notification permissions are granted in device settings
4. **Verify FCM Token**: Check if FCM token is being generated and saved

### Key Improvements Made:

1. **Better Permission Handling**: Explicit permission requests for both Android and iOS
2. **Enhanced Logging**: Detailed debug logs to track initialization and errors
3. **Proper Initialization**: NotificationService is now properly awaited during app startup
4. **Android Channels**: Proper notification channel configuration
5. **Error Handling**: Better error handling and user feedback

### Testing Commands:

Run these commands from your device/emulator after the fixes:

```bash
# Check if the app builds without errors
flutter build ios
flutter build android

# Run on device to test notifications
flutter run
```

### Monitoring FCM Tokens:

Check your Supabase database table `user_notification_tokens` to see if FCM tokens are being saved properly.

### Next Steps if Still Not Working:

1. Check Firebase Console for proper configuration
2. Verify APNs certificates for iOS
3. Test on a physical device (simulators have limitations)
4. Check device notification settings
5. Look at Supabase Edge Function logs for FCM sending