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百度地图定位

时间:2016-07-19 10:17:03      阅读:169      评论:0      收藏:0      [点我收藏+]

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定位
package com.hl.bdmap;

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.location.Poi;
import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.BitmapDescriptorFactory;
import com.baidu.mapapi.map.MapStatus;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MarkerOptions;
import com.baidu.mapapi.map.MyLocationConfiguration;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.map.OverlayOptions;
import com.baidu.mapapi.map.TextureMapView;
import com.baidu.mapapi.model.LatLng;

import java.util.List;


public class MainActivity extends Activity implements BDLocationListener{

    private TextureMapView mMapView;

    public LocationClient mLocationClient = null;
    private TextView tv_info;
    private TextView tv_infos;
    private BaiduMap baiduMap;
    private StringBuffer sbff;

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

    // 定位相关
    LocationClient mLocClient;
    public MyLocationListenner myListener = new MyLocationListenner();
    private MyLocationConfiguration.LocationMode mCurrentMode;
    BitmapDescriptor mCurrentMarker;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        //在使用SDK各组件之前初始化context信息,传入ApplicationContext
        //注意该方法要再setContentView方法之前实现
        SDKInitializer.initialize(getApplicationContext());

        setContentView(R.layout.activity_main);

        //获取地图控件引用
        mMapView = (TextureMapView) findViewById(R.id.bmapView);

        tv_info = (TextView) findViewById(R.id.tv_info);

        tv_infos = (TextView) findViewById(R.id.tv_infos);

        baiduMap = mMapView.getMap();

        baiduMap.setTrafficEnabled(true);

        mLocationClient = new LocationClient(getApplicationContext());     //声明LocationClient类

        mLocationClient.registerLocationListener( this );    //注册监听函数

        initLocation();

        init();

        mLocationClient.start();


    }

    private void init(){
        mCurrentMode = MyLocationConfiguration.LocationMode.NORMAL;
        baiduMap
                .setMyLocationConfigeration(new MyLocationConfiguration(
                        mCurrentMode, true, mCurrentMarker));
        // 开启定位图层
        baiduMap.setMyLocationEnabled(true);
        // 定位初始化
        mLocClient = new LocationClient(this);
        mLocClient.registerLocationListener(myListener);
        LocationClientOption option = new LocationClientOption();
        option.setOpenGps(true); // 打开gps
        option.setCoorType("bd09ll"); // 设置坐标类型
        option.setScanSpan(1000);
        mLocClient.setLocOption(option);
        mLocClient.start();
    }

    /**
     * 初始化地位的配置
     */
    private void initLocation(){
        LocationClientOption option = new LocationClientOption();
        option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy
        );//可选,默认高精度,设置定位模式,高精度,低功耗,仅设备
        option.setCoorType("bd09ll");//可选,默认gcj02,设置返回的定位结果坐标系
        int span=1000;
        option.setScanSpan(span);//可选,默认0,即仅定位一次,设置发起定位请求的间隔需要大于等于1000ms才是有效的
        option.setIsNeedAddress(true);//可选,设置是否需要地址信息,默认不需要
        option.setOpenGps(true);//可选,默认false,设置是否使用gps
        option.setLocationNotify(true);//可选,默认false,设置是否当gps有效时按照1S1次频率输出GPS结果
        option.setIsNeedLocationDescribe(true);//可选,默认false,设置是否需要位置语义化结果,可以在BDLocation.getLocationDescribe里得到,结果类似于“在北京天安门附近”
        option.setIsNeedLocationPoiList(true);//可选,默认false,设置是否需要POI结果,可以在BDLocation.getPoiList里得到
        option.setIgnoreKillProcess(false);//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.SetIgnoreCacheException(false);//可选,默认false,设置是否收集CRASH信息,默认收集
        option.setEnableSimulateGps(false);//可选,默认false,设置是否需要过滤gps仿真结果,默认需要
        mLocationClient.setLocOption(option);
    }


    @Override
    protected void onDestroy() {
        //在activity执行onDestroy时执行mMapView.onDestroy(),实现地图生命周期管理
        mMapView.onDestroy();
        mMapView = null;
        // 退出时销毁定位
        mLocClient.stop();
        // 关闭定位图层
        baiduMap.setMyLocationEnabled(false);
        super.onDestroy();
    }
    @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
    public void onReceiveLocation(BDLocation location) {
        //Receive Location
        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());
        if (location.getLocType() == BDLocation.TypeGpsLocation) {// GPS定位结果
            sb.append("\nspeed : ");
            sb.append(location.getSpeed());// 单位:公里每小时
            sb.append("\nsatellite : ");
            sb.append(location.getSatelliteNumber());
            sb.append("\nheight : ");
            sb.append(location.getAltitude());// 单位:米
            sb.append("\ndirection : ");
            sb.append(location.getDirection());// 单位度
            sb.append("\naddr : ");
            sb.append(location.getAddrStr());
            sb.append("\ndescribe : ");
            sb.append("gps定位成功");

        } else if (location.getLocType() == BDLocation.TypeNetWorkLocation) {// 网络定位结果
            sb.append("\naddr : ");
            sb.append(location.getAddrStr());
            //运营商信息
            sb.append("\noperationers : ");
            sb.append(location.getOperators());
            sb.append("\ndescribe : ");
            sb.append("网络定位成功");
            mLocationClient.stop();
        } else if (location.getLocType() == BDLocation.TypeOffLineLocation) {// 离线定位结果
            sb.append("\ndescribe : ");
            sb.append("离线定位成功,离线定位结果也是有效的");
        } else if (location.getLocType() == BDLocation.TypeServerError) {
            sb.append("\ndescribe : ");
            sb.append("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");
        } else if (location.getLocType() == BDLocation.TypeNetWorkException) {
            sb.append("\ndescribe : ");
            sb.append("网络不同导致定位失败,请检查网络是否通畅");
        } else if (location.getLocType() == BDLocation.TypeCriteriaException) {
            sb.append("\ndescribe : ");
            sb.append("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");
        }
        sb.append("\nlocationdescribe : ");
        sb.append(location.getLocationDescribe());// 位置语义化信息
        List<Poi> list = location.getPoiList();// POI数据
        if (list != null) {
            sbff = new StringBuffer();
            sb.append("\npoilist size = : ");
            sb.append(list.size());
            for (Poi p : list) {
                sb.append("\npoi= : ");
                sb.append(p.getId() + " " + p.getName() + " " + p.getRank());
                sbff.append(p.getName() + "\n");
            }
            tv_infos.setText("您的附近:\n" + sbff.toString());

        }

        tv_info.setText("当前位置:" + location.getLocationDescribe());


        sbff = null;
        //定义Maker坐标点
//        LatLng point = new LatLng(36.562222, 114.504452);
        /*LatLng point = new LatLng(location.getLatitude(), location.getLongitude());
        //构建Marker图标
        BitmapDescriptor bitmap = BitmapDescriptorFactory
                .fromResource(R.mipmap.icon_marka);
        //构建MarkerOption,用于在地图上添加Marker
        OverlayOptions option = new MarkerOptions()
                .position(point)
                .icon(bitmap);
        //在地图上添加Marker,并显示
        baiduMap.addOverlay(option);*/

        Log.i("BaiduLocationApiDem", sb.toString());
    }


    /**
     * 定位SDK监听函数
     */
    public class MyLocationListenner implements BDLocationListener {

        @Override
        public void onReceiveLocation(BDLocation location) {
            // map view 销毁后不在处理新接收的位置
            if (location == null || mMapView == null) {
                return;
            }
            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(100).latitude(location.getLatitude())
                    .longitude(location.getLongitude()).build();
            baiduMap.setMyLocationData(locData);
            if (isFirstLoc) {
                isFirstLoc = false;
                LatLng ll = new LatLng(location.getLatitude(),
                        location.getLongitude());
                MapStatus.Builder builder = new MapStatus.Builder();
                builder.target(ll).zoom(18.0f);
                baiduMap.animateMapStatus(MapStatusUpdateFactory.newMapStatus(builder.build()));
            }
        }

        public void onReceivePoi(BDLocation poiLocation) {
        }
    }
}

百度地图定位

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原文地址:http://blog.csdn.net/wang805380368/article/details/51938752

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