Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; public class Main { public static String getVersionName(Context context) { try { PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); if (info != null) { return info.versionName; } } catch (Exception e) { } return ""; } public static String getPackageName(Context context) { return context.getPackageName(); } }