LocationUploadWorker.java

public class LocationUploadWorker extends Worker {
    @Override
    public WorkerResult doWork() {
        Location location = LocationRepository.getLastLocation();
        ServerReport serverReport = new ServerReport(location);
        FirebaseDatabase database = FirebaseDatabase.getInstance();
        DatabaseReference myRef =
                database.getReference("WorkerReport v" + android.os.Build.VERSION.SDK_INT);
        myRef.push().setValue(serverReport);
        return WorkerResult.SUCCESS;
    }
}