private MyLocationInfo() {
context = ZApplication.getInstance();
locData = new LocationData();
myListener = new MyLocationListenner();
mLocClient = new LocationClient(context);
option = new LocationClientOption();
init();
}
/** 开始定位服务, activity的onResume中设置监听，用于回调 */
public void startLocating(OnLocationUpdateListener loclistener) {
init();
LocListener = loclistener;
}