SigninSampleScript.cs


namespace SignInSample {
  using System;
  using System.Collections.Generic;
  using System.Threading.Tasks;
  using Google;
  using UnityEngine;
  using UnityEngine.UI;
    using Photon.Pun;
    using Photon.Realtime;
  public class SigninSampleScript : MonoBehaviourPun {
        public static SigninSampleScript Instance { get; set; }
        public Text statusText;

    private string webClientId = "";

    private GoogleSignInConfiguration configuration;
        public Uri ImageUri;
      
        void Awake() {
      configuration = new GoogleSignInConfiguration {
            WebClientId = webClientId,
            RequestIdToken = true
      };
    }
        private void Update()
        {
            if(Instance== null)
            {
                Instance = this;
            }
        }
        public void OnSignIn() {
      GoogleSignIn.Configuration = configuration;
      GoogleSignIn.Configuration.UseGameSignIn = false;
      GoogleSignIn.Configuration.RequestIdToken = true;
      AddStatusText("Calling SignIn");

      GoogleSignIn.DefaultInstance.SignIn().ContinueWith(
        OnAuthenticationFinished);
    }

    public void OnSignOut() {
      AddStatusText("Calling SignOut");
      GoogleSignIn.DefaultInstance.SignOut();
    }

    public void OnDisconnect() {
      AddStatusText("Calling Disconnect");
      GoogleSignIn.DefaultInstance.Disconnect();
    }

    internal void OnAuthenticationFinished(Task<GoogleSignInUser> task) {
      if (task.IsFaulted) {
        using (IEnumerator<System.Exception> enumerator =
                task.Exception.InnerExceptions.GetEnumerator()) {
          if (enumerator.MoveNext()) {
            GoogleSignIn.SignInException error =
                    (GoogleSignIn.SignInException)enumerator.Current;
            AddStatusText("Got Error: " + error.Status + " " + error.Message);
          } else {
            AddStatusText("Got Unexpected Exception?!?" + task.Exception);
          }
        }
      } else if(task.IsCanceled) {
        AddStatusText("Canceled");
      } else if(task.IsCompleted) {

                PhotonNetwork.LocalPlayer.NickName = task.Result.DisplayName;
                PhotonNetwork.LoadLevel("HUB");
                ImageUri = task.Result.ImageUrl;
                statusText.text = "Success";
                //AddStatusText("Welcome: " + task.Result.DisplayName + "!" + task.Result.ImageUrl);
            }
    }

    public void OnSignInSilently() {
      GoogleSignIn.Configuration = configuration;
      GoogleSignIn.Configuration.UseGameSignIn = false;
      GoogleSignIn.Configuration.RequestIdToken = true;
      AddStatusText("Calling SignIn Silently");

      GoogleSignIn.DefaultInstance.SignInSilently()
            .ContinueWith(OnAuthenticationFinished);
    }


    public void OnGamesSignIn() {
      GoogleSignIn.Configuration = configuration;
      GoogleSignIn.Configuration.UseGameSignIn = true;
      GoogleSignIn.Configuration.RequestIdToken = false;

      AddStatusText("Calling Games SignIn");

      GoogleSignIn.DefaultInstance.SignIn().ContinueWith(
        OnAuthenticationFinished);
    }

    public List<string> messages = new List<string>();
    void AddStatusText(string text) {
      if (messages.Count == 5) {
        messages.RemoveAt(0);
      }
      messages.Add(text);
      string txt = "";
      foreach (string s in messages) {
        txt += "\n" + s;
      }
      statusText.text = txt;
    }
  }
}