8. private String createDurationText(int duration) { int hour = duration / 3600; duration -= hour * 3600; int min = duration / 60; duration -= min * 60; int sec = duration; if (hour > 0) { return String.format(Locale.ENGLISH, "%d:%02d:%02d", hour, min, sec); } else if (min > 0) { return String.format(Locale.ENGLISH, "%02d:%02d", min, sec); } else { return String.format(Locale.ENGLISH, "0:%02d", se