<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent">

   <TextView

        android:textAppearance="?android:attr/textAppearanceSmall"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:id="@+id/location_info"

        android:layout_marginLeft="10dp"

        android:layout_marginRight="10dp" />

    <com.baidu.mapapi.map.TextureMapView

        android:id="@+id/bmapView"

        android:layout_width="fill_parent"

        android:layout_height="fill_parent"

        android:clickable="true" />

</LinearLayout>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using Android.App;

using Android.OS;

using Android.Widget;

using Android.Content.PM;

using Com.Baidu.Location;

using Com.Baidu.Mapapi.Map;

using Com.Baidu.Mapapi.Model;

namespace MyDemos.SrcDemos

{

    [Activity(Label = "【例18-2】百度定位服务基本用法",

        ScreenOrientation = ScreenOrientation.Sensor,

        ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.KeyboardHidden)]

    public class ch1802MainActivity : Activity, IBDLocationListener

    {

        TextView locationInfo;

        LocationClient mLocationClient;

        TextureMapView mMapView;

        BaiduMap mBaiduMap;

        bool isFirstLoc = true;// 是否首次定位

        protected override void OnCreate(Bundle savedInstanceState)

        {

            base.OnCreate(savedInstanceState);

            SetContentView(Resource.Layout.ch1802Main);

            locationInfo = FindViewById<TextView>(Resource.Id.location_info);

            // 地图初始化

            mMapView = FindViewById<TextureMapView>(Resource.Id.bmapView);

            mBaiduMap = mMapView.Map;

            // 开启定位图层

            mBaiduMap.MyLocationEnabled = true;

            // 定位初始化

            mLocationClient = new LocationClient(this);

            mLocationClient.RegisterLocationListener(this);

            InitLocation();

            mLocationClient.Start();

            MyLocationConfiguration.LocationMode mCurrentMode = MyLocationConfiguration.LocationMode.Compass;

            BitmapDescriptor mCurrentMarker = null;

            mBaiduMap.SetMyLocationConfigeration(

                new MyLocationConfiguration(mCurrentMode, true, mCurrentMarker));

        }

        private void InitLocation()

        {

            LocationClientOption option = new LocationClientOption();

            //可选，默认true，定位SDK内部是一个SERVICE，并放到了独立进程，设置是否在stop的时候杀死这个进程，默认不杀死

            option.IsIgnoreKillProcess = false;

            //可选，默认false，设置是否需要过滤gps仿真结果，默认需要

            option.EnableSimulateGps = true;

            mLocationClient.LocOption = option;

        }

        //实现接口

        public void OnReceiveLocation(BDLocation p0)

        {

            // map view 销毁后不再处理新接收的位置

            if (p0 == null || mMapView == null) return;

            #region 模拟位置

            //注意：在手机上运行应注释掉这段代码，否则定位就没有意义了

            p0 = new BDLocation();

            p0.LocationDescribe = "模拟的位置，目的是为了在模拟器中查看运行效果";

            p0.Radius = 50;

            p0.Latitude = MainActivity.MyLatLng.Latitude;

            p0.Longitude = MainActivity.MyLatLng.Longitude;

            #endregion 模拟位置

            MyLocationData locData = new MyLocationData.Builder()

                    .Accuracy(p0.Radius)

                    // 此处设置开发者获取到的方向信息，顺时针0-360

                    .Direction(100).Latitude(p0.Latitude)

                    .Longitude(p0.Longitude).Build();

            mBaiduMap.SetMyLocationData(locData);

            if (isFirstLoc)

            {

                isFirstLoc = false;

                LatLng ll = new LatLng(p0.Latitude, p0.Longitude);

                MapStatusUpdate u = MapStatusUpdateFactory.NewLatLng(ll);

                mBaiduMap.AnimateMapStatus(u);

            }

            StringBuilder sb = new StringBuilder();

            sb.AppendLine("latitude : " + p0.Latitude);

            sb.AppendLine("lontitude : " + p0.Longitude);

            sb.AppendLine("radius : " + p0.Radius);

            switch (p0.LocType)

            {

                case BDLocation.TypeGpsLocation:

                    // GPS定位结果

                    sb.AppendLine("speed : " + p0.Speed);// 单位：公里/每小时

                    sb.AppendLine("satellite : " + p0.SatelliteNumber);

                    sb.AppendLine("height : " + p0.Altitude);// 单位：米

                    sb.AppendLine("direction : " + p0.Direction);// 单位度

                    sb.AppendLine("addr : " + p0.AddrStr);

                    sb.AppendLine("describe : gps定位成功");

                    break;

                case BDLocation.TypeNetWorkLocation:

                    // 网络定位结果

                    sb.AppendLine("网络定位结果(addr) : " + p0.AddrStr);

                    //运营商信息

                    sb.AppendLine("运营商信息(operationers) : " + p0.Operators);

                    sb.AppendLine("describe : 网络定位成功");

                    break;

                case BDLocation.TypeOffLineLocation:

                    // 离线定位结果

                    sb.AppendLine("describe : 离线定位成功，离线定位结果也是有效的");

                    break;

                case BDLocation.TypeServerError:

                    sb.AppendLine("describe : 服务端网络定位失败，可以反馈IMEI号和大体定位时间到loc-bugs@baidu.com，会有人追查原因");

                    break;

                case BDLocation.TypeNetWorkException:

                    sb.AppendLine("describe : 网络不同导致定位失败，请检查网络是否通畅");

                    break;

                case BDLocation.TypeCriteriaException:

                    sb.AppendLine("describe : 无法获取有效定位依据导致定位失败，一般是由于手机的原因，处于飞行模式下一般会造成这种结果，可以试着重启手机");

                    break;

            }

            sb.AppendLine("locationdescribe: " + p0.LocationDescribe);// 位置语义化信息

            locationInfo.Text = sb.ToString();

        }

        protected override void OnPause()

        {

            mMapView.OnPause();

            base.OnPause();

        }

        protected override void OnResume()

        {

            mMapView.OnResume();

            base.OnResume();

        }

        protected override void OnDestroy()

        {

            // 退出时销毁定位

            mLocationClient.Stop();

            // 关闭定位图层

            mBaiduMap.MyLocationEnabled = false;

            mMapView.OnDestroy();

            mMapView = null;

            base.OnDestroy();

        }

    }

}