Game restarts after Facebook sharing (share intent)

Hi,

After sharing a screenshot on Facebook using a share intent, the game is restarted. If I don't share and taps ESC, the game is still running. If a share using Gmail, works fine. Any ideas? Thanks!

Please see the code:

 public void ShareIntent()
     {
         // Screenshot
         Texture2D texture = new Texture2D(Screen.width, Screen.height, TextureFormat.RGB24, false);
         texture.ReadPixels(new Rect(0, 0, Screen.width, Screen.height), 0, 0);
         texture.Apply();
 
         // Persist
         byte[] dataToSave = texture.EncodeToPNG();
         string destination = Path.Combine(Application.persistentDataPath, "screenshot.png");
         File.WriteAllBytes(destination, dataToSave);
 
         // Set up the Intent
         AndroidJavaClass intentClass = new AndroidJavaClass("android.content.Intent");
         AndroidJavaObject intentObject = new AndroidJavaObject("android.content.Intent");
         intentObject.Call<AndroidJavaObject>("setAction", intentClass.GetStatic<string>("ACTION_SEND"));
 
         // Create the message
         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_SUBJECT"), "New score!");
         intentObject.Call<AndroidJavaObject>("putExtra", intentClass.GetStatic<string>("EXTRA_TEXT"), "Check this out!");
         intentObject.Call<AndroidJavaObject>("setType", "image/png");
 
         // Call the Activity
         AndroidJavaClass unity = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
         AndroidJavaObject currentActivity = unity.GetStatic<AndroidJavaObject>("currentActivity");
         currentActivity.Call("startActivity", intentObject);
     }