I am trying to add a code from a book I am following to an existing code I am writing - android-recyclerview

Question

Open PodcastActivity.kt and add the following lines to the top of the class. This is the question
this is the code I am adding
private val searchViewModel by viewModels()
private lateinit var podcastListAdapter: PodcastListAdapter
This is where I am adding it to
class PodcastActivity : AppCompatActivity() {
override fun onCreateOptionsMenu(menu: Menu): Boolean {
// 1
val inflater = menuInflater
inflater.inflate(R.menu.menu_search, menu)
// 2
val searchMenuItem = menu.findItem(R.id.search_item)
val searchView = searchMenuItem?.actionView as SearchView
// 3
val searchManager = getSystemService(Context.SEARCH_SERVICE)
as SearchManager
// 4
searchView.setSearchableInfo(
searchManager.getSearchableInfo(componentName)
)
return true
setupToolbar()
}
private fun performSearch(term: String) {
val itunesService = ItunesService.instance
val itunesRepo = ItunesRepo(itunesService)
itunesRepo.searchByTerm(term) {
Log.i(Companion.TAG, "Results = $it")
}
}
private fun handleIntent(intent: Intent) {
if (Intent.ACTION_SEARCH == intent.action) {
val query = intent.getStringExtra(SearchManager.QUERY) ?: return
performSearch(query)
}
}
override fun onNewIntent(intent: Intent) {
super.onNewIntent(intent)
setIntent(intent)
handleIntent(intent)
}
companion object {
private const val TAG = "PodcastActivity"
}
private fun setupToolbar() {
setSupportActionBar(toolbar)
}
}