Bottom sheet dialog

bottom_sheet_dialog.kt

private fun openBottomSheetDialog() {
        val view = layoutInflater.inflate(R.layout.bottom_sheet_dialog, null)
        val dialog = BottomSheetDialog(context)
        dialog.setContentView(view)
        dialog.show()

        dialog.findViewById<LinearLayout>(R.id.button_1)!!.setOnClickListener {
            println("button 1 is clicked")
        }
        dialog.findViewById<LinearLayout>(R.id.button_1)!!.setOnClickListener {
            println("button 2 is clicked")
            dialog.dismiss()
        }
    }

bottom_sheet_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">

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="button 1"
        android:id="@+id/button_1"/>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="button 2"
        android:id="@+id/button_2"/>

</LinearLayout>