project_ios/assets/Scripts/gcommon/ButtonSound.ts

import AudioMng from "./AudioMng";
import { UIButton } from "./UIButton";
import GameData from "./GameData";
import {Sprite,Component, _decorator } from "cc";

const {ccclass, property} = _decorator;

@ccclass
export default class ButtonSound extends Component {

    @property(Sprite)
    offSp: Sprite = null;

    start () {
        this.refreshUI();
        UIButton.BindClick(this.node,()=>{
            if(AudioMng.Instance.soundOn)
            {
                GameData.SetCustomData("SoundOn", 0);
            }
            else{
                GameData.SetCustomData("SoundOn", 1);
            } 
            this.refreshUI();
        },this);
    }
    refreshUI(){
        this.offSp.node.active=!AudioMng.Instance.soundOn;
    }
}