void Window3()
    {
        if (GUI.Button(NewRect(5, 5, 40, 10), "Show Alert", style))
        {
            AndroidNativeFunctions.ShowAlert("This Message", "This Title", "Ok", "Back", "Later", ShowAlertAction);
        }

        if (GUI.Button(NewRect(5, 20, 40, 10), "Show Alert Input", style))
        {
            AndroidNativeFunctions.ShowAlertInput("This Text", "This Message", "This Title", "Ok", "Cancel", ShowAlertInputAction);
        }

        if (GUI.Button(NewRect(5, 35, 40, 10), "Show Alert List", style))
        {
            AndroidNativeFunctions.ShowAlertList("This Title", new string[] { "Blue", "Red", "Green", "Yellow" }, ShowAlertListAction);
        }

        if (GUI.Button(NewRect(5, 50, 40, 10), "Set Max Volume Level", style))
        {
            AndroidNativeFunctions.SetTotalVolume(15);             // 15 Max
        }

        if (GUI.Button(NewRect(5, 65, 40, 10), "Set Min Volume Level", style))
        {
            AndroidNativeFunctions.SetTotalVolume(0);             //0 Min
        }

        if (GUI.Button(NewRect(55, 5, 40, 10), "Get Volume Level", style))
        {
            print("Volume Level: " + AndroidNativeFunctions.GetTotalVolume());
        }

        if (GUI.Button(NewRect(55, 20, 40, 10), "is Connect Internet", style))
        {
            print("is Connect Internet: " + AndroidNativeFunctions.isConnectInternet());
        }

        if (GUI.Button(NewRect(55, 35, 40, 10), "is Connect WiFi", style))
        {
            print("is Connect Wifi: " + AndroidNativeFunctions.isConnectWifi());
        }

        if (GUI.Button(NewRect(55, 50, 40, 10), "Get Battery Level", style))
        {
            print("Battery Level: " + AndroidNativeFunctions.GetBatteryLevel());
        }

        if (GUI.Button(NewRect(55, 65, 40, 10), "Send Email", style))
        {
            AndroidNativeFunctions.SendEmail("Android Native Functions Super Unitypackage.", "Android Native Functions", "*****@*****.**");
        }

        if (GUI.Button(NewRect(5, 80, 40, 10), "<<", style))
        {
            window = 2;
        }

        if (GUI.Button(NewRect(55, 80, 40, 10), ">>", style))
        {
            window = 1;
        }
    }