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