Android Menu (Kotlin)

class TestActivity : AppCompatActivity() {    override fun onCreateOptionsMenu(menu: Menu): Boolean {        menuInflater.inflate(R.menu.menu_test, menu)        return super.onCreateOptionsMenu(menu)    }    override fun onOptionsItemSelected(item: MenuItem): Boolean {        return when(item.itemId) {            R.id.action_delete -> {                // do something                true            }            else -> super.onOptionsItemSelected(item)        }    }}

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <item
        android:id="@+id/action_delete"
        android:title="Delete"
        app:showAsAction="never" />
</menu>