import android.app.Service;
import android.content.Intent;
import android.os.IBinder;

public class SomeStartedService extends Service {

  private int startMode;

  @Override
  public void onCreate() {
    super.onCreate();
    // ...
  }

  @Override
  public int onStartCommand(Intent intent, 
                            int flags,
                            int startId) {
    // ...
    return startMode;
  }

  @Override
  public IBinder onBind(Intent intent) {
    // ...
    return null;
  }
  
  @Override
  public void onDestroy() {
    super.onDestroy();
    // ...
  }
}