ToggleFactscreen.cs

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

[RequireComponent(typeof(CanvasGroup))]
public class ToggleFactscreen : MonoBehaviour
{
    CanvasGroup cg;
    void Start()
    {
        cg = transform.GetComponent<CanvasGroup>();
    }

    public void ToggleActive(Toggle t)
    {
        bool isActive = t.isOn;
        cg.alpha = isActive ? 1 : 0;
        cg.interactable = isActive;
        cg.blocksRaycasts = isActive;
    }
}