# OPenLocalMapDemo **Repository Path**: ekber/OPenLocalMapDemo ## Basic Information - **Project Name**: OPenLocalMapDemo - **Description**: No description available - **Primary Language**: Unknown - **License**: Not specified - **Default Branch**: master - **Homepage**: None - **GVP Project**: No ## Statistics - **Stars**: 0 - **Forks**: 0 - **Created**: 2019-01-09 - **Last Updated**: 2020-12-18 ## Categories & Tags **Categories**: Uncategorized **Tags**: None ## README # OPenLocalMapDemo Android应用中打开本地地图进行导航 #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：http://lbsyun.baidu.com/index.php?title=uri/api/android](http://lbsyun.baidu.com/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** ![app_route_api](https://github.com/LineChen/OPenLocalMapDemo/blob/master/screenshot/app_route_api.png) **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 ![web_route_api](https://github.com/LineChen/OPenLocalMapDemo/blob/master/screenshot/web_route_api.png) #2.3.打开高德地图应用 [地址：http://lbs.amap.com/api/uri-api/guide/android-uri-explain/info/](http://lbs.amap.com/api/uri-api/guide/android-uri-explain/info/) >参数 ![gd_app_route_api](https://github.com/LineChen/OPenLocalMapDemo/blob/master/screenshot/gd_app_route_api.png) #3.使用 > 封装了一个工具类，具体请看代码 ```java 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 [http://lbsyun.baidu.com/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®ion=%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$s&dev=0&m=0&t=2"; return String.format(uri, appName, slat, slon, sname, dlat, dlon, dname); } /** * 网页版百度地图 有经纬度 * @param originLat * @param originLon * @param originName ->注：必填 * @param desLat * @param desLon * @param destination * @param region : 当给定region时，认为起点和终点都在同一城市，除非单独给定起点或终点的城市。-->注：必填，不填不会显示导航路线 * @param appName * @return */ public static String getWebBaiduMapUri(String originLat, String originLon, String originName, String desLat, String desLon, String destination, String region, String appName) { String uri = "http://api.map.baidu.com/direction?origin=latlng:%1$s,%2$s|name:%3$s" + "&destination=latlng:%4$s,%5$s|name:%6$s&mode=driving®ion=%7$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 ```java /** * 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 ```java /** * 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 ```java /** * 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; } } ``` 效果图： ![这里写图片描述](https://github.com/LineChen/OPenLocalMapDemo/blob/master/screenshot/Screenshot_2016-10-20-09-57-22-148_com.baidu.Baid.png)