private boolean flashOn = false;

    public void timer()
    {
        flashOn = !flashOn;
        status();
    }

    public void status()
    {
        Device device = getDevice();
        art.library.model.devices.vms.pvv.PvvStatus status = (art.library.model.devices.vms.pvv.PvvStatus) device.getDeviceStatus();
        art.library.model.devices.vms.pvv.PvvAlarms alarms = (art.library.model.devices.vms.pvv.PvvAlarms) device.getDeviceAlarms();
        String color1 = "#000000";
        String color2 = "#000000";
        setAttribute("text-1", "display", "none", 999);
        setAttribute("text-2", "display", "none", 999);
        switch (status.status)
        {
            case DeviceStatus.STATUS_ONLINE:
                color1 = "#00FF00";
                color2 = "#007C00";
                break;
            case DeviceStatus.STATUS_WARNING:
                color1 = "#FFFF00";
                color2 = "#7C7C00";
                break;
            case DeviceStatus.STATUS_ALARM:
                color1 = "#FF0000";
                color2 = "#7C0000";
                break;
            case DeviceStatus.STATUS_INVALID:
                color1 = "#B97A57";
                color2 = "#5A3B2A";
                break;
            case DeviceStatus.STATUS_DISABLE:
                color1 = "#7C7C7C";
                color2 = "#3E3E3E";
                break;
            case DeviceStatus.STATUS_SIMULATION:
                color1 = "#0000FF";
                color2 = "#00007C";
                break;
            case DeviceStatus.STATUS_OFFLINE:
                color1 = "#FF00FF";
                color2 = "#7C007C";
                break;
            case DeviceStatus.STATUS_UNKNOWN:
                color1 = "#FF00FF";
                color2 = "#7C007C";
                break;
        }
        if (status.speed > 99)
        {
            setText("text-2", String.valueOf(status.speed));
            setAttribute("text-2", "display", "inline", 999);
        } else
        {
            setText("text-1", "" + String.valueOf(status.speed));
            setAttribute("text-1", "display", "inline", 999);
        }
        if (status.state == art.library.model.devices.vms.pvv.PvvStatus.STATE_OFF || status.state == art.library.model.devices.vms.pvv.PvvStatus.STATE_UNKNOWN || status.status == art.library.model.devices.vms.pvv.PvvStatus.STATUS_OFFLINE || status.status == art.library.model.devices.vms.pvv.PvvStatus.STATUS_UNKNOWN)
        {
            setAttribute("text-1", "display", "none", 999);
            setAttribute("text-2", "display", "none", 999);
            setAttribute("alarm", "display", "none", 999);
        }
        
        setAttribute("text-1", "fill", color2, 999);
        setAttribute("text-2", "fill", color2, 999);
        setAttribute("background", "fill", color1, 999);
        setAttribute("border", "stroke", color2, 999);
        setAttribute("alarm", "stroke", color1, 999);
        setAttribute(getElement("alarm"), "stroke-width", alarms.getServerityAlarm() * 10, 999);
    }

    public void commands()
    {
        DeviceCommands deviceCommands = getDeviceCommands();
        String color1 = "#0000FF";
        String color2 = "#00007C";
        if (!deviceCommands.isEmpty())
        {
            color1 = "#00FF00";
            color2 = "#007C00";
        }
        setText("Information text", String.valueOf(device.getDeviceInformation().number));
        setAttribute("text", "display", "none", 999);
        setAttribute(getElement("alarm"), "stroke-width", 0, 999);
        setAttribute("Border", "stroke", color2);
    }