sked/Assets/Script/Common/UI/ToggleState.cs

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

public class ToggleState : MonoBehaviour
{
    public Toggle toggle;
    public string key;
    [Space(10)]
    [Header("최초 설정 시 상태")]
    public bool INIT_SETTING = false;

    bool INIT = false;
    private void Initialized()
    {
        if (INIT)
            return;

        INIT = true;
        if (PlayerPrefs.HasKey($"{key}"))
        {
            toggle.isOn = bool.Parse(PlayerPrefs.GetString($"{key}"));
        }
        else
        {
            toggle.isOn = INIT_SETTING;
            OnChanged();
        }
    }
    void Start()
    {
        Initialized();
    }

    public void OnChanged()
    {
        PlayerPrefs.SetString($"{key}", $"{toggle.isOn}");
        PlayerPrefs.Save();
    }
    public bool StateGet()
    {
        Initialized();

        return toggle.isOn;
    }
}