2019独角兽企业重金招聘Python工程师标准>>> 
高德导航
private void openGaoDeMap(double sLon, double sLat, double dLon, double dLat, String sName, String dName) {
try {
StringBuilder loc = new StringBuilder();
loc.append("androidamap://route?sourceApplication=Sandbox3");
loc.append("&slat=");
loc.append(sLat);
loc.append("&slon=");
loc.append(sLon);
loc.append("&sname=");
loc.append(sName);
loc.append("&dlat=");
loc.append(dLat);
loc.append("&dlon=");
loc.append(dLon);
loc.append("&dname=");
loc.append(dName);
loc.append("&dev=0&t=2");
Intent intent = Intent.getIntent(loc.toString());
startActivity(intent);
} catch (Exception e) {
e.printStackTrace();
}
}
百度导航
private void openBaiduMap(double lon, double lat, String title, String describle) {
try {
StringBuilder loc = new StringBuilder();
loc.append("intent://map/direction?origin=latlng:");
loc.append(lat);
loc.append(",");
loc.append(lon);
loc.append("|name:");
loc.append("我的位置");
loc.append("&destination=latlng:");
loc.append(lat);
loc.append(",");
loc.append(lon);
loc.append("|name:");
loc.append(describle);
loc.append("&mode=driving");
loc.append("&referer=Autohome|GasStation#Intent;scheme=bdapp;package=com.baidu.BaiduMap;end");
Intent intent = Intent.getIntent(loc.toString());
if (isInstallPackage("com.baidu.BaiduMap")) {
startActivity(intent); //启动调用
Log.e("GasStation", "百度地图客户端已经安装");
} else {
Log.e("GasStation", "没有安装百度地图客户端");
}
} catch (Exception e) {
e.printStackTrace();
}
}
转换坐标 高德转百度 百度转高德
public class AMapUtils {
public static boolean isInstallPackage(String packageName) {
return new File("/data/data/" + packageName).exists();
}
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;
}
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;
}
/**
* 检查手机上是否安装了指定的软件
*
* @param context
* @param packageName：应用包名
* @return
*/
public static boolean isAvilible(Context context, String packageName) {
//获取packagemanager
final PackageManager packageManager = context.getPackageManager();
//获取所有已安装程序的包信息
List packageInfos = packageManager.getInstalledPackages(0);
//用于存储所有已安装程序的包名
List packageNames = new ArrayList();
//从pinfo中将包名字逐一取出，压入pName list中
if (packageInfos != null) {
for (int i = 0; i < packageInfos.size(); i++) {
String packName = packageInfos.get(i).packageName;
packageNames.add(packName);
}
}
//判断packageNames中是否有目标程序的包名，有TRUE，没有FALSE
return packageNames.contains(packageName);
}
}
调用网页高德地图
StringBuffer stringBuffer = new StringBuffer();
stringBuffer.append("http://uri.amap.com/navigation?from=");
stringBuffer.append(myLatLng.longitude);
stringBuffer.append(",");
stringBuffer.append(myLatLng.latitude);
stringBuffer.append(",startpoint&to=");
stringBuffer.append(destLatLng.longitude);
stringBuffer.append(",");
stringBuffer.append(destLatLng.latitude);
stringBuffer.append(",endpoint");
stringBuffer.append("&mode=car&policy=1&src=mypage&coordinate=gaode&callnative=0");