百度地图-定位+经纬度

MainActivivty

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.widget.Button;
import android.widget.Toast;

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.MapStatus;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;

import java.util.List;

public class MainActivity extends AppCompatActivity {

    private MapView mMapView;

    private Button jing,wei,difang;

    LocationClient mLocationClient;
    public BDLocationListener myListener = new MyLocationListener();
    BaiduMap mBaiduMap;
    boolean isFirstLoc = true;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        SDKInitializer.initialize(getApplicationContext());
        setContentView(R.layout.activity_main);
        mMapView = (MapView) findViewById(R.id.bmapView);

        jing= (Button) findViewById(R.id.jing);
        wei= (Button) findViewById(R.id.wei);
        difang= (Button) findViewById(R.id.di);

        mBaiduMap = mMapView.getMap();
        // 开启定位图层
        mBaiduMap.setMyLocationEnabled(true);
        mLocationClient = new LocationClient(this);//声明LocationClient类
        mLocationClient.registerLocationListener(myListener);//注册监听函数

        LocationClientOption option = new LocationClientOption();
        option.setCoorType("bd09ll");//可选,默认gcj02,设置返回的定位结果坐标系
        int span=10000;
        option.setCoorType("bd09ll"); // 设置坐标类型
        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1S/1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);

        mLocationClient.start();

    }


    public class MyLocationListener implements BDLocationListener {

        @Override
        public void onReceiveLocation(BDLocation location) {
            //Receive Location
            StringBuffer sb = new StringBuffer(256);

            StringBuffer lotitude=new StringBuffer(256);
            StringBuffer longitude=new StringBuffer(256);
            StringBuffer di=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());
            lotitude.append(location.getLatitude());
            jing.setText("经度"+lotitude.toString());
            sb.append("\nlontitude : ");
            sb.append(location.getLongitude());
            longitude.append(location.getLongitude());
            wei.setText("纬度"+longitude.toString());
            sb.append("\nradius : ");
            sb.append(location.getRadius());

            // 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();
            // 设置定位数据
            mBaiduMap.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);
                mBaiduMap.animateMapStatus(MapStatusUpdateFactory.newMapStatus(builder.build()));
            }

            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");
//            } 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[email protected],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 list = location.getPoiList();// POI数据
            di.append(list.get(1).getName());
            if (list != null) {
                sb.append("\npoilist size = : ");
                sb.append(list.size());
                for (Poi p : list) {
                    sb.append("\npoi= : ");
                    sb.append(p.getId() + " " + p.getName() + " " + p.getRank());
                }
                difang.setText(di.toString());

            }
            Log.i("BaiduLocationApiDem", sb.toString());
            Toast.makeText(MainActivity.this, "经度:"+lotitude.toString()+"纬度:"+longitude.toString(), Toast.LENGTH_SHORT).show();
        }
    }
    @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
        mMapView.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();
    }
}

activity_main.xml


<RelativeLayout 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"
    tools:context="com.bwie.baiaumapdemo.MainActivity">

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


        <Button
            android:id="@+id/jing"
            android:text="jing"
            android:layout_weight="1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

        <Button
            android:id="@+id/di"
            android:text="difang"
            android:layout_weight="1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/jing"
            android:layout_centerHorizontal="true" />

        <Button
            android:id="@+id/wei"
            android:text="wei"
            android:layout_weight="1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentTop="true"
            android:layout_alignParentRight="true"
            android:layout_alignParentEnd="true" />



RelativeLayout>

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