Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageManager; public class Main { public static int getVersionCode(Context context) { int verCode = -1; try { verCode = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionCode; } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); } return verCode; } }