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 ctx) { PackageInfo pInfo; try { pInfo = ctx.getPackageManager().getPackageInfo(ctx.getPackageName(), 0); return pInfo.versionName; } catch (NameNotFoundException e) { e.printStackTrace(); } return ""; } }