Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; public class Main { public static int getAppVersionCode(Context context) { try { PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); if (packageInfo != null) { return packageInfo.versionCode; } } catch (Exception e) { } return 1; } }