Final script for UniWebView "Working with Code" sample

Controller.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Controller : MonoBehaviour {	

    UniWebView webView;

    // Use this for initialization
    void Start () {
        // Create a game object to hold UniWebView and add component.
        var webViewGameObject = new GameObject("UniWebView");
        webView = webViewGameObject.AddComponent<UniWebView>();

        // More to add...
        webView.Frame = new Rect(0, 0, Screen.width, Screen.height);
        webView.Load("https://docs.uniwebview.com/game.html");
        webView.Show();

        webView.OnPageFinished += (view, statusCode, url) => {
            webView.EvaluateJavaScript("startGame();", (payload)=>{
                if (payload.resultCode.Equals("0")) {
                    Debug.Log("Game Started!");
                } else {
                    Debug.Log("Something goes wrong: " + payload.data);
                }
            });
        };

        webView.OnShouldClose += (view) => {
            Debug.Log("miao");
            webView = null;
            return true;
        };

        webView.OnMessageReceived += (view, message) => {
            if (message.Path.Equals("game-over")) {
                var score = message.Args["score"];
                Debug.Log("Your final score is: " + score);

                webView.EvaluateJavaScript("getStars(" + score + ");", (payload)=>{
                    Debug.Log("You got " + payload.data + " stars!");
                });

                Invoke("Restart", 3.0f);
            }

            if (message.Path.Equals("close")) {
                Destroy(webView);
                webView = null;
            }
        };
    }

    void Restart() {
        if (webView != null) {
            webView.Reload();
        }
    }
    
    // Update is called once per frame
    void Update () {
        
    }
}