Inflearn Community Q&A

package com.bansj.rv_ex

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView

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

        val items = mutableListOf<String>()

        items.add("a")
        items.add("b")
        items.add("c")

        val rv = findViewById<RecyclerView>(R.id.rv) //이 부분에서 (R.id.rv) 
                                                    // 여기 rv부분에 왜 오류가 나는지 잘 모르겠습니다.

        val rvAdapter = RVAdapter(items)
        rv.adapter = rvAdapter
        rv.layoutManager = LinearLayoutManager(this)
    }
}