【Kotlin】ListView with one textview 6

MainActivity.kt

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val data = mutableListOf(
            "とり", "しか", "ぞう", "きつね",
            "かば", "ライオン", "パンダ", "ひつじ"
        )

        val list = findViewById<ListView>(R.id.list)
        val adapter = ArrayAdapter(
            this,
            android.R.layout.simple_list_item_1,
            data
        )
        list.adapter = adapter

        list.setOnItemClickListener { adapterView, view, position, id ->
            adapter.add("犬")
            adapter.remove("ライオン")
        }
    }
}