yichael_smartbow/Assets/BowArrow/Scripts/Manager/DeviceMgr.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Newtonsoft.Json;

public class DeviceMgr
{
    static DeviceMgr _ins = null;
    public static DeviceMgr ins {
        get {
            if (_ins == null) {
                _ins = new DeviceMgr();
            }
            return _ins;
        }
    }
}
public class DeviceInfo
{
    public int id = 0;
    public bool inuse = false;
    [JsonIgnore]
    public DeviceConfig config = null;
}
public class DeviceConfig
{
    public int id = 0;
    public string name = "";
    public string detail = "";
    public int difficulty = 0;
}