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 getVersionCode(Context con) { PackageManager pm = con.getPackageManager(); PackageInfo pi = null; try { pi = pm.getPackageInfo(con.getPackageName(), 0); return pi.versionCode; } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); return 0; } } }