Java tutorial
//package com.java2s; import java.util.Iterator; import java.util.Map; import android.util.Log; public class Main { /** * Utility method for building up URL param string. * * @param params * @return URL parameter string */ private static String buildParamString(Map<String, String> params) { StringBuffer paramBuf = new StringBuffer(); if (params != null && params.size() > 0) { paramBuf.append('?'); Iterator<Map.Entry<String, String>> iter = params.entrySet().iterator(); while (iter.hasNext()) { Map.Entry<String, String> param = (Map.Entry<String, String>) iter.next(); paramBuf.append(param.getKey() + "=" + param.getValue()); if (iter.hasNext()) { paramBuf.append('&'); } } } Log.i("PARAM STRING CHECK", paramBuf.toString()); return paramBuf.toString(); } }