Critical fixes for SSID detection on Android 12+:
- Add CHANGE_WIFI_STATE permission (NetworkCallback registration)
- Add ACCESS_BACKGROUND_LOCATION permission (SSID access)
- Add FOREGROUND_SERVICE_DATA_SYNC permission
SettingsActivity improvements:
- Add checkBackgroundLocationPermission() method
- Show dialog explaining need for 'Always allow' location
- Request permission with proper callbacks
- Better user feedback for permission grants/denials
NetworkMonitor improvements:
- Add initial WiFi check in startMonitoring()
- Add NET_CAPABILITY_INTERNET to NetworkRequest
- Better error handling for '<unknown ssid>' cases
- Log warning about missing BACKGROUND_LOCATION permission
This should fix the root cause: SSID was showing as '<unknown ssid>'
because app lacked background location permission on Android 16.
User must select 'Always allow' when prompted for location permission.
- Create SimpleNotesApplication class for app-level lifecycle
- Move NetworkMonitor from Activity to Application context
- Add comprehensive logging to NetworkMonitor (all callbacks)
- Add logging to SyncWorker for debugging
- Remove NetworkMonitor from MainActivity (now in Application)
- Add Battery Optimization dialog in SettingsActivity
- Improve Notifications (showSyncInProgress, showSyncSuccess, showSyncError)
This should fix background sync issues - NetworkMonitor now runs
with Application context instead of Activity context, which should
survive when app is in background.
Debug with: adb logcat | grep -E 'NetworkMonitor|SyncWorker|SimpleNotesApp'
- Add ACCESS_FINE_LOCATION permission (required for SSID on Android 10+)
- Request permission at runtime when detecting SSID
- Handle permission result and retry detection
