NumberPicker를 활용한 Custom TimePicker - Kotlin

binding.rsvTimeLayout.setOnClickListener {


            val dialog = AlertDialog.Builder(this).create()
            val edialog: LayoutInflater = LayoutInflater.from(this)
            val mView: View = edialog.inflate(R.layout.dialog_custom_timepicker, null)

            val hour: NumberPicker = mView.findViewById(R.id.hour_picker)
            val minute: NumberPicker = mView.findViewById(R.id.min_picker)
            val cancel: TextView = mView.findViewById(R.id.cancel_btn)
            val ok: TextView = mView.findViewById(R.id.ok_btn)

            //  순환 안되게 막기
            hour.wrapSelectorWheel = false
            minute.wrapSelectorWheel = false

            //  editText 설정 해제
            hour.descendantFocusability = NumberPicker.FOCUS_BLOCK_DESCENDANTS
            minute.descendantFocusability = NumberPicker.FOCUS_BLOCK_DESCENDANTS

            //  최소값 설정
            hour.minValue = 6
            minute.minValue = 0

            //  최대값 설정
            hour.maxValue = 23
            minute.maxValue = 5


            //보여지는 값 세팅 ; output은 다름
            hour.displayedValues = arrayOf("06시",
                "07시",
                "08시",
                "09시",
                "10시",
                "11시",
                "12시",
                "13시",
                "14시",
                "15시",
                "16시",
                "17시",
                "18시",
                "19시",
                "20시",
                "21시",
                "22시",
                "23시")

            minute.displayedValues = arrayOf("00분", "10분", "20분", "30분", "40분", "50분")

            minute.setOnValueChangedListener { picker, oldVal, newVal ->

            }

            //초기값 세팅
            hour.value = 9
            minute.value = 0


            //  취소 버튼 클릭 시
            cancel.setOnClickListener {
                dialog.dismiss()
                dialog.cancel()
            }

            //  완료 버튼 클릭 시
            ok.setOnClickListener {

                var dspMin: String = ""
                when (minute.value) {
                    0 -> dspMin = "00분"
                    1 -> dspMin = "10분"
                    2 -> dspMin = "20분"
                    3 -> dspMin = "30분"
                    4 -> dspMin = "40분"
                    5 -> dspMin = "50분"

                }

                binding.timeContentTv.text =
                    (hour.value).toString() + "시 " + dspMin

                dialog.dismiss()
                dialog.cancel()
            }

            dialog.setView(mView)
            dialog.create()
            dialog.show()

            //크기조정
            val dm = applicationContext.resources.displayMetrics
            val width = (dm.widthPixels * 0.7).toInt() // Display 사이즈의 90%
            val params: ViewGroup.LayoutParams = dialog.getWindow()!!.getAttributes()
            params.width = width
            dialog.getWindow()!!.setAttributes(params as WindowManager.LayoutParams)

        }