I need help on handheld.playfullscreen code,

i found this code hoping that i could play a video in an object plane using this code, but when i play it , nothing happens. this is the code, i know that this issue has already been solve but pls help me,, i got my unity 5 here and quicktime installed..

using UnityEngine; using System.Collections;

public class movie : MonoBehaviour { public string moviepath = "free.mp4"; // Use this for initialization void Start () { Invoke ("plsPlay", 1.0f);

         }

 void plsPlay () {
     
     Handheld.PlayFullScreenMovie (moviepath, Color.black, FullScreenMovieControlMode.Full);
 
 }
 // Update is called once per frame
 void Update () {
     



 
 }