public static void Init(string appId, string appKey, Auth.Callback callback)
 {
     if (appId == null || appKey == null || callback == null)
     {
         throw new InvalidOperationException("publicKey == null || appId == null || callback == null");
     }
     ApiWrapper apiWrapper = new ApiWrapper();
     ApiWrapper.InitCallback initCallback = new MyInitCallback(callback);
     apiWrapper.Init(appId, appKey, initCallback);
 }
 public MyInitCallback(Auth.Callback authCallback)
 {
     mAuthCallback = authCallback;
 }