Here you can find the source of getAppVersionName(Context context)
public static String getAppVersionName(Context context)
//package com.java2s; import android.content.Context; import android.content.pm.PackageManager.NameNotFoundException; public class Main { /** /*from www . ja va 2s . c o m*/ * Returns version name of OpenSudoku. * @return */ public static String getAppVersionName(Context context) { try { return context.getPackageManager().getPackageInfo( context.getPackageName(), 0).versionName; } catch (NameNotFoundException e) { throw new RuntimeException(e); } } }