public String shortInteger(int duration) {
        String string = "";
        int hours = 0;
        int minutes = 0;
        int seconds = 0;
        if (duration / 60 / 60 / 24 >= 1) {
            duration -= duration / 60 / 60 / 24 * 60 * 60 * 24;
        }
        if (duration / 60 / 60 >= 1) {
            hours = duration / 60 / 60;
            duration -= duration / 60 / 60 * 60 * 60;
        }
        if (duration / 60 >= 1) {
            minutes = duration / 60;
            duration -= duration / 60 * 60;
        }
        if (duration >= 1)
            seconds = duration;
        if (hours <= 9) {
            string = String.valueOf(string) + "0" + hours + ":";
        } else {
            string = String.valueOf(string) + hours + ":";
        }
        if (minutes <= 9) {
            string = String.valueOf(string) + "0" + minutes + ":";
        } else {
            string = String.valueOf(string) + minutes + ":";
        }
        if (seconds <= 9) {
            string = String.valueOf(string) + "0" + seconds;
        } else {
            string = String.valueOf(string) + seconds;
        }
        return string;
    }