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) { return getVersionName(context, context.getPackageName()); } public static String getVersionName(Context context, String pkgName) { return getPackageInfo(context, pkgName).versionName; } private static PackageInfo getPackageInfo(Context context, String pkgName) { PackageInfo packageInfo = null; try { PackageManager pm = context.getPackageManager(); packageInfo = pm.getPackageInfo(pkgName, 0); } catch (NameNotFoundException e) { e.printStackTrace(); packageInfo = new PackageInfo(); packageInfo.versionCode = 1; packageInfo.versionName = "1.0"; } return packageInfo; } }