Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; public class Main { public static int getApkVersion(Context context) throws PackageManager.NameNotFoundException { PackageManager pm = context.getPackageManager(); PackageInfo packageInfo = pm.getPackageInfo(context.getPackageName(), 0); return packageInfo.versionCode; } }