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 final String getApplicationVersionName(Context context) { try { final PackageInfo pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); return pInfo.versionName; } catch (NameNotFoundException e) { e.printStackTrace(); return null; } } }