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