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 getAppVersion(Context context) { PackageInfo pInfo = null; try { pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); } String version = pInfo.versionName; version.replaceAll(" ", ""); return version; } }