package com.example.grenaderose.redthunder.utils;

 import android.content.Context;

 import android.content.pm.PackageInfo;

 import android.content.pm.PackageManager;

 /**

  * Description :

  * Author      : hanbao

  * Date        : 2019/3/9 0009 下午 4:30

  */

 public class PackUtils {

     //获取版本名称

     public static String getVersionName(Context ctx) {

         //包管理器

         PackageManager pm = ctx.getPackageManager();

         //获取包的信息(app的信息)

         try {

             PackageInfo packageInfo = pm.getPackageInfo(ctx.getPackageName(), 0);

             String versionName = packageInfo.versionName;//版本名称

             int versionCode = packageInfo.versionCode;//版本号

             System.out.println("versionName:" + versionName);

             System.out.println("versionCode:" + versionCode);

             return versionName;

         } catch (PackageManager.NameNotFoundException e) {

             //未找到包名的异常

             e.printStackTrace();

         }

         return "";

     }

     //获取版本号

     public static int getVersionCode(Context ctx) {

         //包管理器

         PackageManager pm = ctx.getPackageManager();

         //获取包的信息(app的信息)

         try {

             PackageInfo packageInfo = pm.getPackageInfo(ctx.getPackageName(), 0);

             int versionCode = packageInfo.versionCode;//版本号

             return versionCode;

         } catch (PackageManager.NameNotFoundException e) {

             //未找到包名的异常

             e.printStackTrace();

         }

         return -1;

     }

 }