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 getAppVersionName(Context context) { try { PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); return packageInfo.versionName; } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); } return null; } }