1.需求

在Android应用中打开百度地图或者高德地图进行路线规划，如果没有安装则打开网页百度地图进行路线规划。

2.API

2.1 打开百度地图应用

地址：/index.php?title=uri/api/android

打开文档可以看到功能还是很多的，这里只介绍公交、驾车、导航、步行和骑行导航

注：必选项一定要填

2.2 打开浏览器并跳转到网页百度地图

参数

2.3.打开高德地图应用

参数

3.使用

封装了一个工具类，具体请看代码

public class OpenLocalMapUtil {/*** 地图应用是否安装* @return*/public static boolean isGdMapInstalled(){return isInstallPackage("com.autonavi.minimap");}public static boolean isBaiduMapInstalled(){return isInstallPackage("com.baidu.BaiduMap");}private static boolean isInstallPackage(String packageName) {return new File("/data/data/" + packageName).exists();}/*** 获取打开百度地图应用uri [/index.php?title=uri/api/android]* @param originLat* @param originLon* @param desLat* @param desLon* @return*/public static String getBaiduMapUri(String originLat, String originLon, String originName, String desLat, String desLon, String destination, String region, String src){String uri = "intent://map/direction?origin=latlng:%1$s,%2$s|name:%3$s" +"&destination=latlng:%4$s,%5$s|name:%6$s&mode=driving&region=%7$s&src=%8$s#Intent;" +"scheme=bdapp;package=com.baidu.BaiduMap;end";return String.format(uri, originLat, originLon, originName, desLat, desLon, destination, region, src);}/*** 获取打开高德地图应用uri*/public static String getGdMapUri(String appName, String slat, String slon, String sname, String dlat, String dlon, String dname){String uri = "androidamap://route?sourceApplication=%1$s&slat=%2$s&slon=%3$s&sname=%4$s&dlat=%5$s&dlon=%6$s&dname=%7$s&dev=0&m=0&t=2";return String.format(uri, appName, slat, slon, sname, dlat, dlon, dname);}/*** 网页版百度地图 有经纬度* @param originLat* @param originLon* @param originName ->注：必填* @param desLat* @param desLon* @param destination* @param region : 当给定region时，认为起点和终点都在同一城市，除非单独给定起点或终点的城市。-->注：必填，不填不会显示导航路线* @param appName* @return*/public static String getWebBaiduMapUri(String originLat, String originLon, String originName, String desLat, String desLon, String destination, String region, String appName) {String uri = "http://api./direction?origin=latlng:%1$s,%2$s|name:%3$s" +"&destination=latlng:%4$s,%5$s|name:%6$s&mode=driving&region=%7$s&output=html" +"&src=%8$s";return String.format(uri, originLat, originLon, originName, desLat, desLon, destination, region, appName);}/*** 百度地图定位经纬度转高德经纬度* @param bd_lat* @param bd_lon* @return*/public static double[] bdToGaoDe(double bd_lat, double bd_lon) {double[] gd_lat_lon = new double[2];double PI = 3.14159265358979324 * 3000.0 / 180.0;double x = bd_lon - 0.0065, y = bd_lat - 0.006;double z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * PI);double theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * PI);gd_lat_lon[0] = z * Math.cos(theta);gd_lat_lon[1] = z * Math.sin(theta);return gd_lat_lon;}/*** 高德地图定位经纬度转百度经纬度* @param gd_lon* @param gd_lat* @return*/public static double[] gaoDeToBaidu(double gd_lon, double gd_lat) {double[] bd_lat_lon = new double[2];double PI = 3.14159265358979324 * 3000.0 / 180.0;double x = gd_lon, y = gd_lat;double z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * PI);double theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * PI);bd_lat_lon[0] = z * Math.cos(theta) + 0.0065;bd_lat_lon[1] = z * Math.sin(theta) + 0.006;return bd_lat_lon;}}

注：百度地图和高德地图使用的坐标系不同，但是用上面两个方法转换的坐标还是有问题。测试时把百度地图定位的坐标用上面的方法转换成高德地图的坐标，然后在高德地图网站对转换后的坐标进行查找，能找到正确的位置，然而打开高德地图app后提示位置不在支持范围内。幸运的是，高德地图sdk中有相应的工具类CoordinateConverter对坐标进行转换。

打开百度地图

/*** 打开百度地图*/private void openBaiduMap(double slat, double slon, String sname, double dlat, double dlon, String dname, String city) {if(OpenLocalMapUtil.isBaiduMapInstalled()){try {String uri = OpenLocalMapUtil.getBaiduMapUri(String.valueOf(slat), String.valueOf(slon), sname,String.valueOf(dlat), String.valueOf(dlon), dname, city, SRC);Intent intent = Intent.parseUri(uri, 0);startActivity(intent); //启动调用isOpened = true;} catch (Exception e) {isOpened = false;e.printStackTrace();}} else{isOpened = false;}}

打开浏览器进行百度地图导航

/*** 打开浏览器进行百度地图导航*/private void openWebMap(double slat, double slon, String sname, double dlat, double dlon, String dname, String city){Uri mapUri = Uri.parse(OpenLocalMapUtil.getWebBaiduMapUri(String.valueOf(slat), String.valueOf(slon), sname,String.valueOf(dlat), String.valueOf(dlon),dname, city, APP_NAME));Intent loction = new Intent(Intent.ACTION_VIEW, mapUri);startActivity(loction);}

打开高德地图

/*** 打开高德地图*/private void openGaoDeMap(double slat, double slon, String sname, double dlat, double dlon, String dname) {if(OpenLocalMapUtil.isGdMapInstalled()){try {//百度地图定位坐标转换成高德地图可识别坐标CoordinateConverter converter= new CoordinateConverter(this);converter.from(CoordinateConverter.CoordType.BAIDU);DPoint sPoint = null, dPoint = null;try {converter.coord(new DPoint(slat, slon));sPoint = converter.convert();converter.coord(new DPoint(dlat, dlon));dPoint = converter.convert();} catch (Exception e) {e.printStackTrace();}if (sPoint != null && dPoint != null) {String uri = OpenLocalMapUtil.getGdMapUri(APP_NAME, String.valueOf(sPoint.getLatitude()), String.valueOf(sPoint.getLongitude()),sname, String.valueOf(dPoint.getLatitude()), String.valueOf(dPoint.getLongitude()), dname);Intent intent = new Intent(Intent.ACTION_VIEW);intent.setPackage("com.autonavi.minimap");intent.setData(Uri.parse(uri));startActivity(intent); //启动调用isOpened = true;}} catch (Exception e) {isOpened = false;e.printStackTrace();}} else{isOpened = false;}}

结果图：

4.下载

定位没加

OPenLocalMapDemo

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