Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; public class Main { public static String getVersionName(Context ctx, String pakageName) { try { PackageInfo pInfo = ctx.getPackageManager().getPackageInfo(pakageName, 0); return pInfo.versionName; } catch (Exception e) { e.printStackTrace(); return ""; } } }