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