Android开发之百度地图定位以及简单覆盖物的实现

直接上代码：

先看下效果图：

我这里主要做了三个功能：

1.一秒钟实时定位功能；

2.添加任意经纬度地点到地图上；

3.判断朝阳门是否在本人定位范围1000米内；

百度地图初始化方法：

DemoApplication.java

package com.qfy.qfymap;import android.app.Application;import com.baidu.mapapi.CoordType;
import com.baidu.mapapi.SDKInitializer;public class DemoApplication extends Application {@Overridepublic void onCreate() {super.onCreate();// 在使用 SDK 各组间之前初始化 context 信息，传入 ApplicationContextSDKInitializer.initialize(this);//自4.3.0起，百度地图SDK所有接口均支持百度坐标和国测局坐标，用此方法设置您使用的坐标类型.//包括BD09LL和GCJ02两种坐标，默认是BD09LL坐标。SDKInitializer.setCoordType(CoordType.BD09LL);}
}

mainactivity.java

package com.qfy.qfymap;import android.app.Activity;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
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.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.MapStatusUpdate;
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.MyLocationConfiguration;
import com.baidu.mapapi.map.MyLocationConfiguration.LocationMode;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;
import com.baidu.mapapi.utils.SpatialRelationUtil;/*** 此demo用来展示如何结合定位SDK实现定位，并使用MyLocationOverlay绘制定位位置 同时展示如何使用自定义图标绘制并点击时弹出泡泡*/
public class MainActivity extends Activity implements SensorEventListener {// 定位相关LocationClient mLocClient;public MyLocationListenner myListener = new MyLocationListenner();private LocationMode mCurrentMode;BitmapDescriptor mCurrentMarker;private static final int accuracyCircleFillColor = 0xAAFFFF88;private static final int accuracyCircleStrokeColor = 0xAA00FF00;private SensorManager mSensorManager;private Double lastX = 0.0;private int mCurrentDirection = 0;private double mCurrentLat = 0.0;private double mCurrentLon = 0.0;private float mCurrentAccracy;MapView mMapView;BaiduMap mBaiduMap;// 初始化全局 bitmap 信息，不用时及时 recycleBitmapDescriptor bdA = BitmapDescriptorFactory.fromResource(R.drawable.icon_marka);BitmapDescriptor bdB = BitmapDescriptorFactory.fromResource(R.drawable.icon_markb);// UI相关OnCheckedChangeListener radioButtonListener;Button requestLocButton;boolean isFirstLoc = true; // 是否首次定位private MyLocationData locData;private float direction;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);requestLocButton = (Button) findViewById(R.id.button1);mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);//获取传感器管理服务mCurrentMode = LocationMode.NORMAL;requestLocButton.setText("普通");OnClickListener btnClickListener = new OnClickListener() {public void onClick(View v) {switch (mCurrentMode) {case NORMAL:requestLocButton.setText("跟随");mCurrentMode = LocationMode.FOLLOWING;mBaiduMap.setMyLocationConfiguration(new MyLocationConfiguration(mCurrentMode, true, mCurrentMarker));MapStatus.Builder builder = new MapStatus.Builder();builder.overlook(0);mBaiduMap.animateMapStatus(MapStatusUpdateFactory.newMapStatus(builder.build()));break;case COMPASS:requestLocButton.setText("普通");mCurrentMode = LocationMode.NORMAL;mBaiduMap.setMyLocationConfiguration(new MyLocationConfiguration(mCurrentMode, true, mCurrentMarker));MapStatus.Builder builder1 = new MapStatus.Builder();builder1.overlook(0);mBaiduMap.animateMapStatus(MapStatusUpdateFactory.newMapStatus(builder1.build()));break;case FOLLOWING:requestLocButton.setText("罗盘");mCurrentMode = LocationMode.COMPASS;mBaiduMap.setMyLocationConfiguration(new MyLocationConfiguration(mCurrentMode, true, mCurrentMarker));break;default:break;}}};requestLocButton.setOnClickListener(btnClickListener);RadioGroup group = (RadioGroup) this.findViewById(R.id.radioGroup);radioButtonListener = new OnCheckedChangeListener() {@Overridepublic void onCheckedChanged(RadioGroup group, int checkedId) {if (checkedId == R.id.defaulticon) {// 传入null则，恢复默认图标mCurrentMarker = null;mBaiduMap.setMyLocationConfigeration(new MyLocationConfiguration(mCurrentMode, true, null));}if (checkedId == R.id.customicon) {// 修改为自定义markermCurrentMarker = BitmapDescriptorFactory.fromResource(R.drawable.icon_geo);mBaiduMap.setMyLocationConfiguration(new MyLocationConfiguration(mCurrentMode, true, mCurrentMarker,accuracyCircleFillColor, accuracyCircleStrokeColor));}}};group.setOnCheckedChangeListener(radioButtonListener);// 地图初始化mMapView = (MapView) findViewById(R.id.bmapView);mBaiduMap = mMapView.getMap();// 开启定位图层mBaiduMap.setMyLocationEnabled(true);// 定位初始化mLocClient = new LocationClient(this);mLocClient.registerLocationListener(myListener);LocationClientOption option = new LocationClientOption();option.setOpenGps(true); // 打开gpsoption.setCoorType("bd09ll"); // 设置坐标类型option.setScanSpan(1000);mLocClient.setLocOption(option);mLocClient.start();mBaiduMap.setOnMapLoadedCallback(new BaiduMap.OnMapLoadedCallback() {@Overridepublic void onMapLoaded() {initOverlay();}});}/*** 初始化Overlay*/public void initOverlay() {// add marker overlay
//        LatLng llA = new LatLng(39.94019, 116.43876);LatLng llA = new LatLng(40.123798,116.28088);LatLng llB = new LatLng(39.940398, 116.438944);MarkerOptions ooA = new MarkerOptions().position(llA).icon(bdA);Marker mMarkerA = (Marker) (mBaiduMap.addOverlay(ooA));MarkerOptions ooB = new MarkerOptions().position(llB).icon(bdB);Marker mMarkerB = (Marker) (mBaiduMap.addOverlay(ooB));MapStatusUpdate msu = MapStatusUpdateFactory.zoomTo(18.0f);mBaiduMap.setMapStatus(msu);}@Overridepublic void onSensorChanged(SensorEvent sensorEvent) {double x = sensorEvent.values[SensorManager.DATA_X];if (Math.abs(x - lastX) > 1.0) {mCurrentDirection = (int) x;locData = new MyLocationData.Builder().accuracy(mCurrentAccracy)// 此处设置开发者获取到的方向信息，顺时针0-360.direction(mCurrentDirection).latitude(mCurrentLat).longitude(mCurrentLon).build();mBaiduMap.setMyLocationData(locData);}lastX = x;}@Overridepublic void onAccuracyChanged(Sensor sensor, int i) {}/*** 定位SDK监听函数*/public class MyLocationListenner implements BDLocationListener {@Overridepublic 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;}mCurrentLat = location.getLatitude();mCurrentLon = location.getLongitude();mCurrentAccracy = location.getRadius();Log.e("打印半径", mCurrentAccracy + "==");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(mCurrentDirection).latitude(location.getLatitude()).longitude(location.getLongitude()).build();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()));}//定位成功后取到经纬度信息MyLocationData locationData = mBaiduMap.getLocationData();double lt = locationData.latitude;double li = locationData.longitude;Log.e("打印经纬度1", li + "," + lt);Log.e("打印经纬度2", mCurrentLon + "," + mCurrentLat);
//            Toast.makeText(MainActivity.this, "朝阳门是否在融宝打卡范围内？" + SpatialRelationUtil.isCircleContainsPoint(new LatLng(116.440149,39.939851), 30, new LatLng(116.440108, 39.93058)), Toast.LENGTH_LONG).show();Toast.makeText(MainActivity.this, "朝阳门是否在公司打卡范围内？" + SpatialRelationUtil.isCircleContainsPoint(new LatLng(lt, li), 1000, new LatLng(39.93058, 116.440108)), Toast.LENGTH_LONG).show();}public void onReceivePoi(BDLocation poiLocation) {}}@Overrideprotected void onPause() {mMapView.onPause();super.onPause();}@Overrideprotected void onResume() {mMapView.onResume();super.onResume();//为系统的方向传感器注册监听器mSensorManager.registerListener(this, mSensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION),SensorManager.SENSOR_DELAY_UI);}@Overrideprotected void onStop() {//取消注册传感器监听mSensorManager.unregisterListener(this);super.onStop();}@Overrideprotected void onDestroy() {// 退出时销毁定位mLocClient.stop();// 关闭定位图层mBaiduMap.setMyLocationEnabled(false);mMapView.onDestroy();mMapView = null;super.onDestroy();}}

百度地图相关jar包库文件请下载源码查看：

如果看不懂可以下载源码：

源码下载

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