[Unity UI] 2일차 Slider

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

public class UISlider : MonoBehaviour
{
    public Slider slider;
    public System.Action<float> onSliderValueChanged;

    private void Awake()
    {
        Debug.Log("Awake");
    }
    public void Init(float val)
    {
        Debug.Log("Init");
        this.slider.value = val;
    }
    void Start()
    {
        Debug.Log("Start");
        this.slider.onValueChanged.AddListener((val) =>
        {
            Debug.Log(val);
        });
    }
}

using System.Collections;
using System.Collections.Generic;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.UI;

public class UIButtons : MonoBehaviour
{
    public enum eBtnTypes
    {
        Yellow, Green
    }
    public Button[] arrBtns;

    public Button btnBlue;
    public Button btnLogin;

    public UIPopupLogin uiPopupLogin;

    public UISlider uiSlider;

    public System.Action<eBtnTypes> onClick;

    public void Init()
    {
        this.uiSlider.Init(0.5f);
        this.uiSlider.onSliderValueChanged = (val) =>
        {
            Debug.Log(val);
            uiSlider.onSliderValueChanged(val);

        };
    }

    private void start()
    {
        Debug.Log("start");
        for(int i = 0; i < arrBtns.Length; i++)
        {
            int typeN = i;
            this.arrBtns[typeN].onClick.AddListener(() =>
            {
                this.onClick((eBtnTypes)typeN);
            });
        }
        this.btnLogin.onClick.AddListener(() =>
        {
            Debug.Log("click");
            this.uiPopupLogin.Open();
        });
        this.uiPopupLogin.btnClose.onClick.AddListener(() =>
        {
            this.uiPopupLogin.Close();
        });

    }
}