private void getData() {
        Calendar calendar = Calendar.getInstance();
        int hour = calendar.get(Calendar.HOUR_OF_DAY);
        int minute = calendar.get(Calendar.MINUTE);
        int second = calendar.get(Calendar.SECOND);
        String labelText = "";
        if (hour < 10) {
            labelText = labelText.concat("0");
        }
        labelText = labelText.concat(Integer.toString(hour) + " : ");
        
        if (minute < 10) {
            labelText = labelText.concat("0");
        }
        labelText = labelText.concat(Integer.toString(minute) + " : ");
        
        if (second < 10) {
            labelText = labelText.concat("0");
        }
        labelText = labelText.concat(Integer.toString(second));
        
        label.setText(labelText);
    }