高德地图计算两地距离代码,Java代码库,德仔网

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【Java】高德地图计算两地距离

作者:amandag / 发布于2018/9/1/ 1387

高德地图计算两地距离

private AMapLocationClient mLocationClient = null;
    private AMapLocationListener mLocationListener = null;
    private double d1,d2,d3,d4;
    private LatLng latLng1,latLng2;


 //进行定位
        mLocationClient = new AMapLocationClient(getApplicationContext());
        mLocationListener = new AMapLocationListener() {
            @Override
            public void onLocationChanged(AMapLocation aMapLocation) {
                if (aMapLocation != null) {
                    if (aMapLocation.getErrorCode() == 0) {
                        // String p = aMapLocation.getProvince();
                        String c = aMapLocation.getCity();
                        String d = aMapLocation.getDistrict();
                        String s = aMapLocation.getStreet();
                        String n = aMapLocation.getStreetNum();
                        d1 = aMapLocation.getLatitude();
                        d2 = aMapLocation.getLongitude();
                        textView499.setText("当前位置：" + c + " " + d + " " + s + " " + n);
                        Log.e("tttt",d1+"");
                        Log.e("tttt",d2+"");
                        latLng1 = new LatLng(d1,d2);
 
                        chaxun();
                    } else {
                        Log.e("AmapError", "location Error, ErrCode:"
                                + aMapLocation.getErrorCode() + ", errInfo:"
                                + aMapLocation.getErrorInfo());
                    }
                }
            }
        };
        mLocationClient.setLocationListener(mLocationListener);
        mLocationClient.startLocation();
 
    }
   public void chaxun(){
       GeocodeSearch geocodeSearch = new GeocodeSearch(getApplicationContext());
       GeocodeQuery query = new GeocodeQuery("临沂", "linyi");
       geocodeSearch.getFromLocationNameAsyn(query);
 
       geocodeSearch.setOnGeocodeSearchListener(new GeocodeSearch.OnGeocodeSearchListener() {
           @Override
           public void onRegeocodeSearched(RegeocodeResult regeocodeResult, int i) {
 
           }
           @Override
           public void onGeocodeSearched(GeocodeResult result, int rCode) {
               if (rCode == 1000) {
                   if (result != null && result.getGeocodeAddressList() != null
                           && result.getGeocodeAddressList().size() > 0) {
                       GeocodeAddress address = result.getGeocodeAddressList().get(0);
                       String[] s = address.getLatLonPoint().toString().split(",");
                       Log.e("tttt",s[0]);
                       Log.e("tttt",s[1]);
                       Log.e("tttt",address.getFormatAddress());
                       latLng2 = new LatLng(Double.parseDouble(s[0]),Double.parseDouble(s[1]));
                       double distance = AMapUtils.calculateLineDistance(latLng1,latLng2);
                       Log.e("tttt",distance+"");
                       Log.e("tttt",distance/1000+"KM");
                   } else {
                   }
               }
           }
       });
   }

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