Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; public class Main { public static String getVersionName(Context context) throws NameNotFoundException { PackageManager manager = context.getPackageManager(); PackageInfo packageInfo = manager.getPackageInfo(context.getPackageName(), 0); return packageInfo.versionName; } }