Date time picker android

fragment_date_time_dialog.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="match_parent"
  android:layout_height="wrap_content">
  <DatePicker
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:calendarViewShown="false"
    android:clipToPadding="true"
    android:spinnersShown="true"
    android:datePickerMode="spinner"
  />
  <TimePicker
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:clipToPadding="true"
    android:timePickerMode="spinner"/>

</LinearLayout>

MyDateTimePickerDialogFragment.kt

package com.example.myapplication

import android.app.AlertDialog
import android.app.Dialog
import android.graphics.drawable.ColorDrawable
import android.os.Bundle
import android.view.LayoutInflater
import androidx.fragment.app.DialogFragment


class MyDateTimePickerDialogFragment : DialogFragment() {
  companion object {
    fun newInstance(): MyDateTimePickerDialogFragment = MyDateTimePickerDialogFragment()
  }

  override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
    if (context == null) return super.onCreateDialog(savedInstanceState)
    val view = LayoutInflater.from(context).inflate(R.layout.fragment_date_time_dialog, null)
    val timePicker = view.findViewById<TimePicker>(R.id.time_pick)
    timePicker.setIs24HourView(true)
    val datePicker = view.findViewById<DatePicker>(R.id.date_pick)
    datePicker.maxDate = Calendar.getInstance().time.time
  
    val dialog = AlertDialog.Builder(context!!, android.R.style.Theme_Holo_Dialog)
      .setTitle("Select Date Time")
      .setView(view)
      .setCancelable(true)
      .setPositiveButton(android.R.string.ok) { dialog, which ->

      }
      .setNegativeButton(android.R.string.cancel) {
          _, _ -> [email protected]()
      }.create()
    dialog.window?.setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT))
    return dialog
  }


}