利用百度地图api，对手机进行定位获得的经纬度数据用什么类存储，百度地图本身是用什么类存储。

这是android api 4.0代码
/**
* 监听函数，有更新位置的时候，格式化成字符串，输出到屏幕中
*/
public class MyLocationListenner implements BDLocationListener {
@Override
public void onReceiveLocation(BDLocation location) {
if (location == null)
return ;
StringBuffer sb = new StringBuffer(256);
sb.append("time : ");
sb.append(location.getTime());
sb.append("\nerror code : ");
sb.append(location.getLocType());
sb.append("\nlatitude : ");
sb.append(location.getLatitude());
sb.append("\nlontitude : ");
sb.append(location.getLongitude());
sb.append("\nradius : ");
sb.append(location.getRadius());
lastdt=location.getTime();
dt=location.getLatitude()+","+location.getLongitude()+","+lastdt;
if (location.getLocType() == BDLocation.TypeGpsLocation){
sb.append("\nspeed : ");
sb.append(location.getSpeed());
sb.append("\nsatellite : ");
sb.append(location.getSatelliteNumber());
} else if (location.getLocType() == BDLocation.TypeNetWorkLocation){
/**
* 格式化显示地址信息
*/
// sb.append("\n省：");
// sb.append(location.getProvince());
// sb.append("\n市：");
// sb.append(location.getCity());
// sb.append("\n区/县：");
// sb.append(location.getDistrict());
sb.append("\naddr : ");
sb.append(location.getAddrStr());
}
sb.append("\nsdk version : ");
sb.append(mLocationClient.getVersion());
sb.append("\nisCellChangeFlag : ");
sb.append(location.isCellChangeFlag());
logMsg(sb.toString());
Log.i(TAG, sb.toString());
}

public void onReceivePoi(BDLocation poiLocation) {
if (poiLocation == null){
return ;
}
StringBuffer sb = new StringBuffer(256);
sb.append("Poi time : ");
sb.append(poiLocation.getTime());
sb.append("\nerror code : ");
sb.append(poiLocation.getLocType());
sb.append("\nlatitude : ");
sb.append(poiLocation.getLatitude());
sb.append("\nlontitude : ");
sb.append(poiLocation.getLongitude());
sb.append("\nradius : ");
sb.append(poiLocation.getRadius());
if (poiLocation.getLocType() == BDLocation.TypeNetWorkLocation){
sb.append("\naddr : ");
sb.append(poiLocation.getAddrStr());
}
if(poiLocation.hasPoi()){
sb.append("\nPoi:");
sb.append(poiLocation.getPoi());
}else{
sb.append("noPoi information");
}
logMsg(sb.toString());
}
}

public class NotifyLister extends BDNotifyListener{
public void onNotify(BDLocation mlocation, float distance){
mVibrator01.vibrate(1000);
}
}
}

地图数据提供商