Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager.NameNotFoundException; public class Main { /** * Get the application version (Version Code) * @param context * @return */ public static int getApplicationVersion(Context context) { try { PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); return packageInfo.versionCode; } catch (NameNotFoundException e) { throw new RuntimeException("Could not get package name: " + e); } } }