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) throws PackageManager.NameNotFoundException { String currentPackageName = context.getPackageName(); PackageInfo packageInfo = context.getPackageManager().getPackageInfo(currentPackageName, 0); return packageInfo.versionName; } }