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