Java tutorial
//package com.java2s; import android.os.Bundle; public class Main { public static String deserialBundle(Bundle bundle) { if (bundle == null) return null; StringBuilder params = new StringBuilder(); for (String key : bundle.keySet()) { params.append(key + "=" + bundle.get(key) + "&"); } return params.length() > 0 ? params.substring(0, params.length() - 1) : null; } }