android开机启动代码

public class StartupReceiver extends BroadcastReceiver {      @Override    public void onReceive(Context context, Intent intent) {      Intent startupintent = new Intent(context,StrongTracks.class);      startupintent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);      context.startActivity(startupintent);    }    }  2)<receiver  android:name=".StartupReceiver">  <intent-filter>      <!-- 系统启动完成后会调用 -->      <action          android:name="android.intent.action.BOOT_COMPLETED">      </action>  </intent-filter>  </receiver>