Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageManager.NameNotFoundException; public class Main { public static int getVersionCode(Context context) { int verCode = -1; try { String packageName = context.getPackageName(); verCode = context.getPackageManager().getPackageInfo(packageName, 0).versionCode; } catch (NameNotFoundException e) { e.printStackTrace(); } return verCode; } }