Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; public class Main { public static String buildVersion(Context context) { String ret = ""; try { PackageManager pm = context.getPackageManager(); PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0); ret = pi.versionName; } catch (Exception e) { e.printStackTrace(); } return ret; } }