此文章接上一篇文件：安卓百度地图之定位_zpon_wangxuan的博客-CSDN博客，对于地图上显示定位图标就是在地图上添加一个地图的marker就可以了；

布局文件代码：

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/bg_color_login"
    android:orientation="vertical"
    tools:context=".UnLoginActiviy" >

    <include
        android:id="@+id/rl_title"
        layout="@layout/title_layout" />

    <com.baidu.mapapi.map.MapView
        android:id="@+id/bmapView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clickable="true" />

</LinearLayout>

java文件代码：

package com.meal;

import android.Manifest;
import android.app.Activity;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

import com.baidu.location.BDAbstractLocationListener;
import com.baidu.location.BDLocation;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.MapStatus;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.Marker;
import com.baidu.mapapi.map.MarkerOptions;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;
import com.pony.base.BaseActivity;
import com.pony.util.ToastUtil;

import java.util.ArrayList;
import java.util.List;


public class ShowMapActivity extends BaseActivity {
    // title
    private TextView mTvTitle;
    // 返回
    private ImageView mIvBack;


    String[] permissions = new String[]{
            Manifest.permission.ACCESS_FINE_LOCATION,
            Manifest.permission.WRITE_EXTERNAL_STORAGE,
    };
    private static final int ACCESS_FINE_LOCATION = 1;
    private static final int WRITE_EXTERNAL_STORAGE = 2;
    List<String> mPermissionList = new ArrayList<String>();

    public LocationClient mLocationClient = null;
    private MyLocationListener myListener = new MyLocationListener();

    private MapView mMapView = null;
    private BaiduMap baiduMap;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_showmap);

        initWidget();
        initData();
        checkPermission();


    }


    @Override
    public void initWidget() {

        mIvBack = (ImageView) findViewById(R.id.mIvBack);
        mTvTitle = (TextView) findViewById(R.id.mTvTitle);
        mTvTitle.setText("地图显示");
        mIvBack.setVisibility(View.VISIBLE);
        mIvBack.setOnClickListener(this);

        mMapView = (MapView) findViewById(R.id.bmapView);
        baiduMap = mMapView.getMap();
        baiduMap.setMyLocationEnabled(true);

        mLocationClient = new LocationClient(getApplicationContext());
        //声明LocationClient类
        mLocationClient.registerLocationListener(myListener);


        LocationClientOption option = new LocationClientOption();
        option.setIsNeedAddress(true);
        option.setScanSpan(1000);
        option.setNeedNewVersionRgc(true);
        mLocationClient.setLocOption(option);
        mLocationClient.start();
    }

    @Override
    public void initData() {
    }

    @Override
    public void onClick(View v) {

        switch (v.getId()) {
            case R.id.mIvBack:
                this.finish();

                break;
        }
    }
    // 是否首次定位
    private boolean isFirstLoc = true;
    public class MyLocationListener extends BDAbstractLocationListener {
        @Override
        public void onReceiveLocation(BDLocation location) {
            //此处的BDLocation为定位结果信息类，通过它的各种get方法可获取定位相关的全部结果
            //以下只列举部分获取地址相关的结果信息
            //更多结果信息获取说明，请参照类参考中BDLocation类中的说明

            String addr = location.getAddrStr();    //获取详细地址信息
            String country = location.getCountry();    //获取国家
            String province = location.getProvince();    //获取省份
            String city = location.getCity();    //获取城市
            String district = location.getDistrict();    //获取区县
            String street = location.getStreet();    //获取街道信息
            String adcode = location.getAdCode();    //获取adcode
            String town = location.getTown();    //获取乡镇信息
            Log.i("poy_log", addr);

            MyLocationData locData = new MyLocationData.Builder()
                    .accuracy(location.getRadius())
                    // 此处设置开发者获取到的方向信息，顺时针0-360
                    .direction(location.getDirection()).latitude(location.getLatitude())
                    .longitude(location.getLongitude()).build();
            baiduMap.setMyLocationData(locData);

            if (isFirstLoc) {
                isFirstLoc = false;
//                LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
                LatLng ll = new LatLng(location.getLatitude(), location.getLongitude());
                MapStatus.Builder builder = new MapStatus.Builder();
                builder.target(ll).zoom(15.0f);
                baiduMap.animateMapStatus(MapStatusUpdateFactory.newMapStatus(builder.build()));
            }



        }
    }




    @Override
    protected void onResume() {
        super.onResume();
        //在activity执行onResume时执行mMapView. onResume ()，实现地图生命周期管理
        mMapView.onResume();
    }
    @Override
    protected void onPause() {
        super.onPause();
        //在activity执行onPause时执行mMapView. onPause ()，实现地图生命周期管理
        mMapView.onPause();
    }
    @Override
    protected void onDestroy() {
        super.onDestroy();
        //在activity执行onDestroy时执行mMapView.onDestroy()，实现地图生命周期管理
        mLocationClient.stop();
        baiduMap.setMyLocationEnabled(false);
        mMapView.onDestroy();
        mMapView = null;
    }
    private void checkPermission() {
        for (int i = 0; i < permissions.length; i++) {
            if (ContextCompat.checkSelfPermission(this, permissions[i]) != PackageManager.PERMISSION_GRANTED) {
                mPermissionList.add(permissions[i]);
            }
        }

        if (mPermissionList.isEmpty()) {//未授予的权限为空，表示都授予了
            initWidget();
            initData();
        } else {//请求权限方法
            String[] permissions = mPermissionList.toArray(new String[mPermissionList.size()]);//将List转为数组
            ActivityCompat.requestPermissions(this, permissions, ACCESS_FINE_LOCATION);
        }

    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {

        if (requestCode == ACCESS_FINE_LOCATION) {
            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                initWidget();
                initData();
            } else {
                ToastUtil.show(this, "权限已拒绝");
            }
        } else if (requestCode == WRITE_EXTERNAL_STORAGE) {
            for (int i = 0; i < grantResults.length; i++) {
                if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
                    //判断是否勾选禁止后不再询问
                    boolean showRequestPermission = ActivityCompat.shouldShowRequestPermissionRationale(this, permissions[i]);
                    if (showRequestPermission) {
                        ToastUtil.show(this, "权限未申请");
                    }
                }
            }
        }
    }


}