Unity

using UnityEngine;
using System;
using Viveport;

/** Language: C# */
public class ViveportDemo : MonoBehaviour
{
   static string VIVEPORT_ID = "bd67b286-aafc-449d-8896-bb7e9b351876";

   // Use this for initialization
   void Start ()
   {
       Api.Init(InitStatusHandler, VIVEPORT_ID);
   }

   private static void InitStatusHandler(int nResult)
   {
       Viveport.Core.Logger.Log("Init(): " + nResult);
       if (nResult != 0)
       {
          Viveport.Core.Logger.Log("Init setup error, please close the content...");
          // Handle error
          return;
       }
       Token.IsReady(IsTokenReadyHandler);
   }

   private static void IsTokenReadyHandler(int nResult)
   {
       if (nResult != 0)
       {
          Viveport.Core.Logger.Log("Platform setup error, please close the content ...");
          // Handle error
          return;
       }
       Token.GetSessionToken(GetSessionTokenHandler);
   }

   private static void GetSessionTokenHandler(int nResult, string message)
   {
       if (nResult != 0)
       {
          Viveport.Core.Logger.Log("GetSessionTokenHandler error: " + nResult + ", message:" + message);
          // Handle error
          return;
       }
       Viveport.Core.Logger.Log("GetSessionTokenHandler is successful, token:" + message);
       // Do more things
   }
}