Queria q testassem esse script de compartilhar?

o video abaixo mostra um script que compartilha o screnshot em alguma rede social
so que quando tento executar no meu smarthphone da erro dizendo que nao foi possivel compartilhar
qria saber se o problema esta no script,no meu smarthphone ou ,talvez, na minha internet.


link do script
https://dl.dropboxusercontent.com/u/65801876/shareUnityScript/ShareImageCanvas.cs

Ok, você tem o SKD do facebook instalado e tudo mais?

Qual o erro que aparece?

ja resolvi
utilizei o script abaixo
ele é muito interessante
ele tira o print da tela e compartilha para varias redes sociais como por ex:
twiter,mensegerr,facebook,whatsapp...

ate onde eu sei nao precisei baixar nenhum skd do facebook
******creditos no comentario do script


***precisa habilitar o acesso ao sdcard no playerprefs

Código:

using UnityEngine;
using System.Collections;
using System.IO;

public class Share : MonoBehaviour {
public string mensaje;
/* Daniele Olivieri
 * www.daniel4d.com
 *
 * I really hope this could help you out!
 * If you want to share the code please link to my blog! :-)
 * If you use the code in your app, it would be much  appreciated to give me credit somehow :-)
 *
 *
 *
 *
 *
 *
 * -------------------------------------- ***********************
 *  IMPORTANT !!!!! READ THIS
* -------------------------------------- ***********************
 *  Grant the Writing Access to External (SDCard) in PlayerSettings ;-) Otherwise you won't be able to share pictures!!!!
 *
 *
 *
 *
 *
 * */

 private bool isProcessing = false;
 void OnMouseDown(){
 if(!isProcessing){
 StartCoroutine( ShareScreenshot() );
 Debug.Log("uiugiug");
 }}
 void Update ()
 {
 
 }


 public IEnumerator ShareScreenshot()
 {
 isProcessing = true;

 // wait for graphics to render
 yield return new WaitForEndOfFrame();
 //----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PHOTO
 // create the texture
 Texture2D screenTexture = new Texture2D(Screen.width, Screen.height,TextureFormat.RGB24,true);
 
 // put buffer into texture
 screenTexture.ReadPixels(new Rect(0f, 0f, Screen.width, Screen.height),0,0);

 // apply
 screenTexture.Apply();
 //----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PHOTO

 byte[] dataToSave = screenTexture.EncodeToPNG();
 
 string destination = Path.Combine(Application.persistentDataPath,System.DateTime.Now.ToString("yyyy-MM-dd-HHmmss") + ".png");

 File.WriteAllBytes(destination, dataToSave);

 if(!Application.isEditor)
 {
 // block to open the file and share it ------------START
 AndroidJavaClass intentClass = new AndroidJavaClass("android.content.Intent");
 AndroidJavaObject intentObject = new AndroidJavaObject("android.content.Intent");
 intentObject.Call<AndroidJavaObject>("setAction", intentClass.GetStatic<string>("ACTION_SEND"));
 AndroidJavaClass uriClass = new AndroidJavaClass("android.net.Uri");
 AndroidJavaObject uriObject = uriClass.CallStatic<AndroidJavaObject>("parse","file://" + destination);
 intentObject.Call<AndroidJavaObject>("putExtra", intentClass.GetStatic<string>("EXTRA_STREAM"), uriObject);
 intentObject.Call<AndroidJavaObject>("putExtra", intentClass.GetStatic<string>("EXTRA_TEXT"), ""+mensaje);
 intentObject.Call<AndroidJavaObject>("putExtra", intentClass.GetStatic<string>("EXTRA_SUBJECT"), "SUBJECT");
 intentObject.Call<AndroidJavaObject>("setType", "image/jpeg");
 AndroidJavaClass unity = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
 AndroidJavaObject currentActivity = unity.GetStatic<AndroidJavaObject>("currentActivity");

 // option one WITHOUT chooser:
 currentActivity.Call("startActivity", intentObject);

 // option two WITH chooser:
 //AndroidJavaObject jChooser = intentClass.CallStatic<AndroidJavaObject>("createChooser", intentObject, "YO BRO! WANNA SHARE?");
 //currentActivity.Call("startActivity", jChooser);

 // block to open the file and share it ------------END

 }
 isProcessing = false;
 
 
 }
}