Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager.NameNotFoundException; public class Main { public static String getversion(Context context) { PackageInfo pInfo = null; try { pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); } catch (NameNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } return pInfo == null ? "" : "V " + pInfo.versionName; } }