'检测已安装的CAD版本（检测注册表信息） Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click '软件安装注册表根结点 其它程序也是类似的 Dim key As Global.Microsoft.Win32.RegistryKey = Global.Microsoft.Win32.Registry.LocalMachine _ .O
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package com.liunan.myfirstapp.util;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
/**
* Created by 刘楠 on 2016-03-22.
*/
public class
