Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.util.Log; public class Main { private static final String TAG = "WareNinjaUtils"; /** * Get current version number. * * @return */ public static String getVersionNumber(Context context) { String version = "?"; try { PackageInfo pi = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); version = pi.versionName; } catch (PackageManager.NameNotFoundException e) { Log.e(TAG, "Package name not found", e); } ; return version; } }