Here you can find the source of base64Decode(String property)
private static byte[] base64Decode(String property) throws IOException
//package com.java2s; import java.io.IOException; import android.util.Base64; public class Main { private static byte[] base64Decode(String property) throws IOException { // NB: This class is internal, and you probably should use another impl return Base64.decode(property, Base64.DEFAULT); }// w ww . j a va2 s .c om }