Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageManager; public class Main { public static String getVersionName(Context context) { try { return context.getApplicationContext().getPackageManager() .getPackageInfo(context.getApplicationContext().getPackageName(), 0).versionName; } catch (PackageManager.NameNotFoundException ex) { return "undefined version name"; } } }