private fun start(){ btn_start.text = "일시정지" btn_start.setBackgroundColor(getColor(R.color.red)) isRunning = true //스톱워치를 시작하는 로직 timer = timer(period = 10) { time++ val milli_second = time % 100 val second = (time % 6000) / 100 val minute = time / 6000 // 밀리초 tv_millisecond.text = if (milli_second < 10) ".0${milli_second}" else ".${milli_second}" // 초 tv_second.text = if (second < 10) ":0${seco..
