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