Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; public class Main { /** * @return Application's version code from the {@code PackageManager}. */ public static int getAppVersion(Context context) { try { PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); return packageInfo.versionCode; } catch (PackageManager.NameNotFoundException e) { // should never happen throw new RuntimeException("Could not get package name: " + e); } } }