如何在Kotlin中完全扩展打开BottomSheetDialogFragment？

class CustomBottomSheetDialogFragment : BottomSheetDialogFragment() {
    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        return inflater.inflate(R.layout.fragment_bottom_sheet, container, false)
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        // 在这里可以对底部弹出框的布局进行初始化和操作
    }

    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
        val dialog = super.onCreateDialog(savedInstanceState) as BottomSheetDialog
        dialog.setOnShowListener { dialogInterface ->
            val bottomSheetDialog = dialogInterface as BottomSheetDialog
            val bottomSheet = bottomSheetDialog.findViewById<View>(com.google.android.material.R.id.design_bottom_sheet)
            bottomSheet?.let {
                val behavior = BottomSheetBehavior.from(bottomSheet)
                behavior.state = BottomSheetBehavior.STATE_EXPANDED
                behavior.skipCollapsed = true
            }
        }
        return dialog
    }
}

val bottomSheetDialogFragment = CustomBottomSheetDialogFragment()
bottomSheetDialogFragment.show(supportFragmentManager, bottomSheetDialogFragment.tag)