导航工具类

高德地图导航和百度地图导航，传入所需参数可直接使用

public class MapUtils {
/**

    * 调起导航

    * @param context

    * @param address 目的地地址

    * @param city    目的地所在城市

    * @param lat    目的地纬度

    * @param lon    目的地经度

    */

    public static void invokingBD(Context context,String address,String city,String lat,String lon){

        if(isInstallByread("com.baidu.BaiduMap")){

                Intent intent =null;

                try {

                    String uri ="intent://map/direction?origin=latlng:0,0|name:我的位置&destination="

                            + address +"&mode=drivingion=" + city

                        +"&referer=Autohome|GasStation#Intent;scheme=bdapp;package=com.baidu.BaiduMap;end";

                    intent =Intent.getIntent(uri);

                }catch (URISyntaxException e) {

                    e.printStackTrace();

                }

            context.startActivity(intent); //启动调用

        }else if (isInstallByread("com.autonavi.minimap")){
        
        //https://lbs.amap.com/api/amap-mobile/guide/android/route

            String uri ="";

            //直接导航

                uri ="androidamap://navi?sourceApplication=神农识&lat="+ lat+"&lon="+lon+"&dev=0"+"&style=0";

          //规划路线

                uri ="amapuri://route/plan/?sid=&slat=&slon=&sname=&did=&" +"dlat=" +lat +"&dlon=" +lon + "&dname="+address+"&dev=0&t=0";

            Intent intent =new Intent("android.intent.action.VIEW",android.net.Uri.parse(uri));

            intent.setPackage("com.autonavi.minimap");

            intent.addCategory("android.intent.category.DEFAULT");

            //  intent.setData(Uri.parse("androidamap://poi?sourceApplication=softname&keywords="+address));

            context.startActivity(intent);

            Log.e("GasStation", "高德地图客户端已经安装");

        }else {

            Toast.makeText(context, "您尚未安装地图客户端", Toast.LENGTH_SHORT).show();

            //跳转到应用商店去下载高德地图app

            Uri uri =Uri.parse("market://details?id=com.autonavi.minimap");

            Intent intent =new Intent(Intent.ACTION_VIEW, uri);

            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

            context.startActivity(intent);

        }
}

/**

    * 判断是否安装目标应用

    * @param packageName 目标应用安装后的包名

    * @return 是否已安装目标应用

    */

    private static boolean isInstallByread(String packageName) {

        return new File("/data/data/" + packageName).exists();

    }

}