void Awake()
    {
        inst = this;
        this.gameObject.name = "NetReachAbility";
        DontDestroyOnLoad(this.gameObject);
#if UNITY_ANDROID
        //通过该API来实例化导入的arr中对应的类
        javaObj = new AndroidJavaObject("com.pub.myunitylib.Unity2Android");
#elif UNITY_IOS
        int netState = NetReachAbility.InitNetReachAbility();
        realNetState = (RealNetState)netState;
#endif
    }
    private void OnDestroy()
    {
#if UNITY_IOS
        NetReachAbility.UnInitNetReachAbility();
#endif
    }