Android百度地图定位、显示用户当前位置

import com.baidu.location.LocationClientOption;/** * 建造 LocationClientOption 项 * * @author peter 2018-12-21 10:58 */public class LocationClientOptionBuilder { private LocationClientOption option; public static LocationClientOptionBuilder builder() {  LocationClientOptionBuilder builder = new LocationClientOptionBuilder();  builder.option = builder.initOption();  return builder; } /**  * 设置坐标系  *  * @return  * @see CoorType  */ public LocationClientOptionBuilder setCoorType() {  return setCoorType(CoorType.bd09ll); } public LocationClientOptionBuilder setCoorType(CoorType coorType) {  this.option.setCoorType(coorType.name());  return this; } /**  * 连续定位  * 可选，设置发起定位请求的间隔，int类型，单位ms  * 如果设置为0，则代表单次定位，即仅定位一次，默认为0  * 如果设置非0，需设置1000ms以上才有效  *  * @param time  * @return  */ public LocationClientOptionBuilder setScanSpan(int time) {  this.option.setScanSpan(time);  return this; } public LocationClientOption bulid() {  return this.option; } private LocationClientOption initOption() {  LocationClientOption option = new LocationClientOption();  //可选，设置定位模式，默认高精度  //LocationMode.Hight_Accuracy：高精度；  //LocationMode. Battery_Saving：低功耗；  //LocationMode. Device_Sensors：仅使用设备；  option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);  //可选，设置返回经纬度坐标类型，默认GCJ02  //GCJ02：国测局坐标；  //BD09ll：百度经纬度坐标；  //BD09：百度墨卡托坐标；  //海外地区定位，无需设置坐标类型，统一返回WGS84类型坐标//  option.setCoorType("bd09ll");  //可选，设置发起定位请求的间隔，int类型，单位ms  //如果设置为0，则代表单次定位，即仅定位一次，默认为0  //如果设置非0，需设置1000ms以上才有效//  option.setScanSpan(1000);  //可选，设置是否使用gps，默认false  //使用高精度和仅用设备两种定位模式的，参数必须设置为true  option.setOpenGps(true);  //可选，设置是否当GPS有效时按照1S/1次频率输出GPS结果，默认false//  option.setLocationNotify(true);  //可选，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（建议）不杀死，即setIgnoreKillProcess(true)//  option.setIgnoreKillProcess(true);  //可选，设置是否收集Crash信息，默认收集，即参数为false//  option.SetIgnoreCacheException(false);  //可选，V7.2版本新增能力  //如果设置了该接口，首次启动定位时，会先判断当前Wi-Fi是否超出有效期，若超出有效期，会先重新扫描Wi-Fi，然后定位//  option.setWifiCacheTimeOut(5 * 60 * 1000);  //可选，设置是否需要过滤GPS仿真结果，默认需要，即参数为false//  option.setEnableSimulateGps(false);  return option; } /**  * 坐标系  */ public enum CoorType {  gcj02,  bd09,  bd09ll }}

import android.content.Context;import android.support.annotation.NonNull;import android.util.Log;import com.baidu.location.BDAbstractLocationListener;import com.baidu.location.BDLocation;import com.baidu.location.LocationClient;import com.baidu.location.LocationClientOption;/** * 百度地图定位工具类 * * @author peter 2018-12-21 10:12 */public class BMapLocationHelper { private static final int LOCATION_SUCCESS = 1; static final int LOCATION_FAIL = -1; private LocationClient mLocationClient; private MyLocationListener myListener = new MyLocationListener(); private LocationCallBack callBack; private BMapLocationHelper(LocationCallBack callBack) {  this.callBack = callBack; } public static BMapLocationHelper create(@NonNull Context context, @NonNull LocationClientOption option, @NonNull LocationCallBack callBack) {  BMapLocationHelper bMapLocationHelper = new BMapLocationHelper(callBack);  LocationClient client = new LocationClient(context);  client.setLocOption(option);  //声明LocationClient类  client.registerLocationListener(bMapLocationHelper.myListener);  bMapLocationHelper.mLocationClient = client;  return bMapLocationHelper; } /**  * 开始定位  */ public void locStart() {  mLocationClient.start(); } /**  * 停止定位  */ public void locStop() {  mLocationClient.stop(); } public void locReStart() {  mLocationClient.restart(); } public LocationClient getmLocationClient() {  return mLocationClient; } /**  * 地图定位结果监听类  */ public class MyLocationListener extends BDAbstractLocationListener {  private static final String TAG = "MyLocationListener";  @Override  public void onReceiveLocation(BDLocation location) {   if (location == null) return;   int locType = location.getLocType();   int status = LOCATION_SUCCESS;   if (locType != 61 && locType != 161 && locType != 66) status = LOCATION_FAIL;   String errMsg = getLocationResultMsg(locType);   callBack.onReceiveLocation(status, location, errMsg);  }  @Override  public void onLocDiagnosticMessage(int i, int i1, String s) {   Log.i(TAG, "onLocDiagnosticMessage: " + i + "diaType:" + i1);   callBack.onLocDiagnosticMessage(i, i1, getLocDiagnosticMessage(i, i1));   super.onLocDiagnosticMessage(i, i1, s);  } } /**  * 回调类  */ public abstract static class LocationCallBack {  /**   * 定位的结果   *   * @param statusCode 状态码,1:定位成功，-1定位失败   * @param bdLocation 定位成功时返回的定位结果对象   * @param errMsg  定位失败时的错误信息，成功时则为null   */  public abstract void onReceiveLocation(int statusCode, BDLocation bdLocation, String errMsg);  /**   * 错误的状态码   * <a>http://lbsyun.baidu.com/index.php?title=android-locsdk/guide/addition-func/error-code</a>   * <p>   * 回调定位诊断信息，开发者可以根据相关信息解决定位遇到的一些问题   *   * @param locType   当前定位类型   * @param diagnosticType 诊断类型（1~9）   * @param diagnosticMessage 具体的诊断信息释义   */  public void onLocDiagnosticMessage(int locType, int diagnosticType, String diagnosticMessage) {  } } /**  * 错误的状态码  * <a>http://lbsyun.baidu.com/index.php?title=android-locsdk/guide/addition-func/error-code</a>  *  * @param locType 当前定位类型  * @return String 定位成功或失败的信息  */ private String getLocationResultMsg(int locType) {  switch (locType) {   case 61:    return "GPS定位结果，GPS定位成功";   case 62:    return "无法获取有效定位依据，定位失败，请检查运营商网络或者WiFi网络是否正常开启，尝试重新请求定位";   case 63:    return "网络异常，没有成功向服务器发起请求，请确认当前测试手机网络是否通畅，尝试重新请求定位";   case 66:    return "离线定位结果。通过requestOfflineLocaiton调用时对应的返回结果";   case 67:    return "离线定位失败";   case 161:    return "网络定位结果，网络定位成功";   case 162:    return "请求串密文解析失败，一般是由于客户端SO文件加载失败造成，请严格参照开发指南或demo开发，放入对应SO文件";   case 167:    return "服务端定位失败，请您检查是否禁用获取位置信息权限，尝试重新请求定位";   case 505:    return "AK不存在或者非法，请按照说明文档重新申请AK";   default:    return "";  } } /**  * @param locType  当前定位类型  * @param diagnosticType 诊断类型（1~9）  * @return String  */ private String getLocDiagnosticMessage(int locType, int diagnosticType) {  switch (locType) {   case 62:    switch (diagnosticType) {     case 4:      return "定位失败，无法获取任何有效定位依据";     case 5:      return "定位失败，无法获取有效定位依据，请检查运营商网络或者Wi-Fi网络是否正常开启，尝试重新请求定位";     case 6:      return "定位失败，无法获取有效定位依据，请尝试插入一张sim卡或打开Wi-Fi重试";     case 7:      return "定位失败，飞行模式下无法获取有效定位依据，请关闭飞行模式重试";     case 9:      return "定位失败，无法获取任何有效定位依据";    }   case 67:    if (diagnosticType == 3) return "定位失败，请您检查您的网络状态";   case 161:    switch (diagnosticType) {     case 1:      return "定位失败，建议您打开GPS";     case 2:      return "定位失败，建议您打开Wi-Fi";    }   case 167:    if (diagnosticType == 8) return "定位失败，请确认您定位的开关打开状态，是否赋予APP定位权限";   default:    return "未知错误";  } }}

import android.content.Context;import android.support.annotation.NonNull;import android.util.Log;import com.baidu.location.BDLocation;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.MyLocationData;import com.baidu.mapapi.model.LatLng;import com.yikesong.sender.util.ToastUtils;/** * 显示用户当前位置到地图上 * * @author peter 2018-12-21 16:27 */public class UserLocation extends BMapLocationHelper.LocationCallBack { private Context context; private boolean isFirstLoc = true; private BaiduMap map; private int mCurrentDirection = 0; private BMapLocationHelper helper; private static final String TAG = "UserLocation"; public UserLocation(@NonNull Context context, @NonNull BaiduMap map) {  this.context = context;  this.map = map;  init(); } private void init() {  map.setMapType(BaiduMap.MAP_TYPE_NORMAL);  //开启定位图层  map.setMyLocationEnabled(true); } /**  * 在地图上显示用户的当前位置  */ public void showUserLocationOnMap() {  if (helper == null) {   LocationClientOption option = LocationClientOptionBuilder     .builder()     .setCoorType()     .bulid();   helper = BMapLocationHelper.create(this.context, option, this);  }  helper.locStart(); } @Override public void onReceiveLocation(int statusCode, BDLocation bdLocation, String errMsg) {  if (statusCode == BMapLocationHelper.LOCATION_FAIL) {   ToastUtils.toastInfo(errMsg, context);   Log.i(TAG, "onReceiveLocation: " + errMsg);   return;  }  MyLocationData locData = new MyLocationData.Builder()    .accuracy(bdLocation.getRadius())    // 此处设置开发者获取到的方向信息，顺时针0-360    .direction(mCurrentDirection).latitude(bdLocation.getLatitude())    .longitude(bdLocation.getLongitude()).build();  map.setMyLocationData(locData);  if (isFirstLoc) {   isFirstLoc = false;   LatLng centerPoint = new LatLng(bdLocation.getLatitude(),     bdLocation.getLongitude());   MapStatus mapStatus = new MapStatus.Builder()     .target(centerPoint) //设置中心点     .zoom(18f)//设置缩放级别     .build();   map.animateMapStatus(MapStatusUpdateFactory.newMapStatus(mapStatus));  }  if (helper != null) helper.locStop(); } @Override public void onLocDiagnosticMessage(int locType, int diagnosticType, String diagnosticMessage) {  super.onLocDiagnosticMessage(locType, diagnosticType, diagnosticMessage); } public BMapLocationHelper getHelper() {  return helper; } public BaiduMap getMap() {  return map; } public int getmCurrentDirection() {  return mCurrentDirection; }}