百度地图实时获取当前位置坐标并实时定位

废话不多说 ， 直接上源码 。（希望各位顶一下，想要点积分。。。）

1.配置：

配置：


2.添加各种权限，各种权限，请参考百度官方指南。其中有一个service，尤其要注意添加 。

（测试的时候，最好在真机上进行测试。）

3贴代码喽

package scu.com.app;

import java.util.Map;

import org.xml.sax.helpers.LocatorImpl;

import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.BDNotifyListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.BMapManager;

import android.app.Activity;
import android.location.Location;
import android.location.LocationListener;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.widget.Toast;

import com.baidu.mapapi.*;
import com.baidu.mapapi.map.LocationData;
import com.baidu.mapapi.map.MapController;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationOverlay;
import com.baidu.platform.comapi.basestruct.GeoPoint;

public class MapActivity extends Activity{

private static final String TAG = "TAG" ;

private BMapManager mBMapManager = null;
private MapView mMapView = null;

//获取地点位置信息
private LocationClient locationClient = null;
private BDLocationListener bdLocationListener = new MyLocationListener();

//定位到当前位置

private MyLocationOverlay myLocationOverlay = null;
private LocationData locationData = null;

Handler mHandler = new Handler() {
public void handleMessage(android.os.Message msg) {
Toast.makeText(getApplicationContext(), "msg:" +msg.what, Toast.LENGTH_SHORT).show();
};
};

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mBMapManager = new BMapManager(getApplication());
mBMapManager.init(this.getString(R.string.mapKey), null);
mBMapManager.start() ;
//注意：请在试用setContentView前初始化BMapManager对象，否则会报错
setContentView(R.layout.map);
mMapView=(MapView)findViewById(R.id.mapView);
//设置启用内置的缩放控件
mMapView.setBuiltInZoomControls(true);

// 得到mMapView的控制权,可以用它控制和驱动平移和缩放
MapController mMapController = mMapView.getController();

locationClient = new LocationClient(getApplicationContext());
locationClient.registerLocationListener(bdLocationListener);

LocationClientOption option = new LocationClientOption();
option.setOpenGps(true); //是否打开GPRS
option.setAddrType("all");//返回的定位结果包含地址信息
option.setCoorType("bd09ll");//返回的定位结果是百度经纬度,默认值gcj02
option.setScanSpan(50000);//设置发起定位请求的间隔时间为5000ms
option.disableCache(true);//禁止启用缓存定位
option.setPoiNumber(5); //最多返回POI个数
option.setPoiDistance(1000); //poi查询距离
option.setPriority(LocationClientOption.NetWorkFirst);
locationClient.setLocOption(option);
locationClient.start();
if(locationClient!=null && locationClient.isStarted()){
locationClient.requestLocation() ;
locationClient.requestPoi() ;
}else {
Log.d(TAG, "locClient is null or not started");
}

//设置地图zoom级别
mMapController.setZoom(12);

myLocationOverlay = new MyLocationOverlay(mMapView);
locationData = new LocationData() ;
myLocationOverlay.setData(locationData);
mMapView.getOverlays().add(myLocationOverlay);
myLocationOverlay.enableCompass();
mMapView.refresh();

}

@Override
protected void onStart() {
locationClient.start() ;
super.onStart();
}

@Override
protected void onStop() {
locationClient.stop() ;
super.onStop();
}

@Override
protected void onDestroy(){

mMapView.destroy();
locationClient.unRegisterLocationListener(bdLocationListener) ;

if(mBMapManager!=null){
mBMapManager.destroy();
mBMapManager=null;
}
locationClient.stop() ;
myLocationOverlay.disableCompass() ;
myLocationOverlay = null;
mMapView = null;
locationClient = null;
locationData = null;
super.onDestroy();
}
@Override
protected void onPause(){

mMapView.onPause();
if(mBMapManager!=null){
mBMapManager.stop();
}
locationClient.stop() ;

super.onPause();
}
@Override
protected void onResume(){

mMapView.onResume();
if(mBMapManager!=null){
mBMapManager.start();
}
locationClient.start() ;
super.onResume();
}

// 获取当前位置信息的类
private class MyLocationListener implements BDLocationListener{

@Override
public void onReceiveLocation(BDLocation position) {
// Log.v(TAG, "onReceiveLocation--->getLatitude--->"+String.valueOf(position.getLatitude())) ;
// Log.v(TAG, "onReceiveLocation--->getLocType--->"+String.valueOf(position.getLongitude())) ;
// Log.v(TAG, "onReceiveLocation--->getRadius--->"+String.valueOf(position.getRadius())) ;
// Log.v(TAG, "onReceiveLocation--->position--->"+String.valueOf(position.getAddrStr())) ;

locationData.latitude = position.getLatitude();
locationData.longitude = position.getLongitude();
locationData.accuracy = position.getRadius();
locationData.direction = position.getDerect();
myLocationOverlay.setData(locationData);
mMapView.refresh();
mMapView.getController().animateTo(new GeoPoint((int)(locationData.latitude* 1e6), (int)(locationData.longitude * 1e6)), mHandler.obtainMessage(1));

}

@Override
public void onReceivePoi(BDLocation position) {
//这个函数貌似没有什么大的作用 。
}

}
}