I’m getting a

07-26 18:39:21.741: E/Web Console(15885): Uncaught ReferenceError: LocalFileSystem is not defined at file:///android_asset/www/index.html:18

While using a simple phoneGAp app which is equipped to handle File IO from the Device

Index.html

    

  
    FileReader Example

    
    

    // Wait for device API libraries to load
    //
    function onLoad() {
        document.addEventListener("deviceready", onDeviceReady, false);
    }

    // device APIs are available
    //
    function onDeviceReady() {
        window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, gotFS, fail);
    }

....gotFS() code.....

    function fail(evt) {
        console.log(evt.target.error.code);
    }

    
  
  
    

Example

    
Read File
  

res/xml/config.xml

   

    Hello Cordova
    

    
        A sample Apache Cordova application that responds to the deviceready event.
    
    
        Apache Cordova Team
    
    
    
        
    
    
    
    
    
    

Manifest

Main Activity.java

/*
       Licensed to the Apache Software Foundation (ASF) under one
       or more contributor license agreements.  See the NOTICE file
       distributed with this work for additional information
       regarding copyright ownership.  The ASF licenses this file
       to you under the Apache License, Version 2.0 (the
       "License"); you may not use this file except in compliance
       with the License.  You may obtain a copy of the License at

         http://www.apache.org/licenses/LICENSE-2.0

       Unless required by applicable law or agreed to in writing,
       software distributed under the License is distributed on an
       "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
       KIND, either express or implied.  See the License for the
       specific language governing permissions and limitations
       under the License.
 */

package com.example.hello;

import android.os.Bundle;
import org.apache.cordova.*;

public class testApp extends DroidGap
{
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        // Set by  in config.xml
        super.loadUrl(Config.getStartUrl());
        //super.loadUrl("file:///android_asset/www/index.html")
    }
}

Some one Please help!!…I am new to phone Gap ..Stuck on this since hours