package cn.flightfeather.thirdappmodule.util;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.support.v7.app.AlertDialog;
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import android.widget.Toast;
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import com.amap.api.maps.model.LatLng;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Created by note_ff_1602 on 2018/2/26.
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* 开始高德导航
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*/
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public class AmapNavi {
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private Context context;
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public AmapNavi(Context context) {
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this.context = context;
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}
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//开始导航功能，坐标为高德坐标
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public void startNavi(final double lat, final double lng){
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if (lat!=0&&lng!=0){
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if (isAvilible(context,"com.autonavi.minimap")){
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AlertDialog.Builder dialog = new AlertDialog.Builder(context);
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dialog.setTitle("要开始导航吗");
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dialog.setPositiveButton("确定", new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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LatLng latlng = new LatLng(lat,lng);
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goToGaode(latlng.latitude,latlng.longitude);
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}
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});
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dialog.setNegativeButton("取消",null);
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dialog.show();
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}else Toast.makeText(context, "请安装高德地图来启用导航功能", Toast.LENGTH_SHORT).show();
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}else {
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Toast.makeText(context, "无定位不能导航", Toast.LENGTH_SHORT).show();
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}
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}
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public static boolean isAvilible(Context context, String packageName){
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//获取packagemanager
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final PackageManager packageManager = context.getPackageManager();
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//获取所有已安装程序的包信息
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List<PackageInfo> packageInfos = packageManager.getInstalledPackages(0);
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//用于存储所有已安装程序的包名
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List<String> packageNames = new ArrayList<String>();
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//从pinfo中将包名字逐一取出，压入pName list中
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if(packageInfos != null){
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for(int i = 0; i < packageInfos.size(); i++){
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String packName = packageInfos.get(i).packageName;
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packageNames.add(packName);
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}
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}
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//判断packageNames中是否有目标程序的包名，有TRUE，没有FALSE
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return packageNames.contains(packageName);
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}
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//高德
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private void goToGaode(double lat, double lon) {
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StringBuffer stringBuffer = new StringBuffer("androidamap://route?sourceApplication=").append("amap");
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stringBuffer.append("&dlat=").append(""+lat)
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.append("&dlon=").append(""+lon)
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.append("&dev=").append(0)
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.append("&t=").append(0);
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Intent intent = new Intent("android.intent.action.VIEW", android.net.Uri.parse(stringBuffer.toString()));
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intent.setPackage("com.autonavi.minimap");
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context.startActivity(intent);
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}
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}
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