百度地图和定位

package com.example.administrator.yunstore;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;

public class MapActivity extends Activity {

    private MapView mapView;
    private BaiduMap myMap;
    private TextView addressView;
    //定位相关
    private LocationClient mLocationClient;
    private myLocationListener mLocationLisener;
    private float mCurrentX=0.0f;
    private boolean isFirstIn = true;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        SDKInitializer.initialize(getApplicationContext());
        setContentView(R.layout.activity_map);

        initView();
        //初始化定位
        initLocation();

    }

    private void initLocation() {
        mLocationClient = new LocationClient(this);
        mLocationLisener = new myLocationListener();
        mLocationClient.registerLocationListener(mLocationLisener);
        LocationClientOption option = new LocationClientOption();
        //设置坐标类型
        option.setCoorType("bd09ll");
        //设置打开gps
        option.setOpenGps(true);
        //设置获取地址
        option.setIsNeedAddress(true);
        //请求时间
        option.setScanSpan(1000);
        //执行操作
        mLocationClient.setLocOption(option);
    }

    private void initView() {
        mapView = (MapView) findViewById(R.id.mapView);
        addressView= (TextView) findViewById(R.id.address);
        myMap = mapView.getMap();
        //设置地图的状态  15.0f显示距离为500m
        MapStatusUpdate msu = MapStatusUpdateFactory.zoomTo(15.0f);
        myMap.setMapStatus(msu);
    }


    //定位监听
    private class myLocationListener implements BDLocationListener {

        @Override
        //定位成功以后的回调
        public void onReceiveLocation(BDLocation location) {
            MyLocationData data = new MyLocationData.Builder()//
                    .direction(mCurrentX)//
                    .accuracy(location.getRadius())//
                    .latitude(location.getLatitude())//
                    .longitude(location.getLongitude())//
                    .build();
            myMap.setMyLocationData(data);

            if (isFirstIn) {
                LatLng latLng = new LatLng(location.getLatitude(),location.getLongitude());
                Log.e("",location.getAddrStr()+"   "+location.getLatitude()+"  "+location.getLongitude());
                MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(latLng);
                myMap.animateMapStatus(msu);
                isFirstIn = false;
                addressView.setText("你现在所在的位置是："+location.getAddrStr());
            }

        }
    }
    @Override
    protected void onStart() {
        super.onStart();
        //开启定位
        myMap.setMyLocationEnabled(true);
        if(!mLocationClient.isStarted()){
            mLocationClient.start();

        }
    }

    @Override
    protected void onStop() {
        super.onStop();
        //停止定位
        myMap.setMyLocationEnabled(false);
        mLocationClient.stop();
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        mapView.onDestroy();
    }

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

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <com.baidu.mapapi.map.MapView
        android:id="@+id/mapView"
        android:layout_width="fill_parent"
        android:layout_height="300dp"
        android:clickable="true" />
    <TextView
        android:id="@+id/address"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:text="其他控件"
        android:textSize="20sp"
        android:background="#00ff00"/>
</LinearLayout>