Lock DrawerLayout closed when drawer is disabled

import androidx.appcompat.app.ActionBar

import androidx.appcompat.app.ActionBarDrawerToggle

import androidx.appcompat.widget.Toolbar

import androidx.drawerlayout.widget.DrawerLayout

import androidx.drawerlayout.widget.DrawerLayout.DrawerListener

import androidx.fragment.app.FragmentManager

import androidx.fragment.app.FragmentTransaction

    private fun initializeDrawer(savedInstanceState: Bundle?) {

        if (!isDrawerEnabled) {

            val drawerLayout = findViewById<DrawerLayout>(R.id.drawerLayout)

            drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED)

            return

        }