开机向导详细的代码privatefinalBroadcastReceiverhomePressReceiver=newBroadcastReceiver(){finalStringSYSTEM_DIALOG_REASON_KEY="reason";finalStringSYSTEM_DIALOG_REASON_HOME_KEY="homekey";@OverridepublicvoidonReceive(Contextcontext,Intentintent){Stringaction=intent.getAction();