我有一个Android服务类，其代码如下:publicclassLoginServiceextendsService{BroadcastReceiverwifiStateChangeReciever;@OverridepublicIBinderonBind(Intentarg0){returnnull;}@OverridepublicintonStartCommand(Intentintent,intflags,intstartId){Log.i("AndroidLearning","ServiceonStartCommandStarted.");returnService.START