Java tutorial
//package com.java2s; import android.util.Base64; public class Main { /** * @param login login name * @param pass password * @return Base64 Auth encoded string */ static String getB64Auth(String login, String pass) { String source = login + ":" + pass; return "Basic " + Base64.encodeToString(source.getBytes(), Base64.URL_SAFE | Base64.NO_WRAP); } }