Java tutorial
//package com.java2s; import android.util.Log; public class Main { public static String replaceUrlcode(String str) { Log.e("log", "replaceUrlcode"); if (!str.contains(" ")) return str; //StringBuffer sb = new StringBuffer(str); //int position = str.indexOf("\\+"); //str.split("%20", position); str = str.replaceAll(" ", "%20"); Log.e("log", "replaceUrlcode:" + str); return replaceUrlcode(str); } }