안드로이드 스튜디오 오류

Question

package com.example.permission

import android.Manifest
import android.content.pm.PackageManager
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Toast
import androidx.core.app.ActivityCompat
import androidx.core.content.ContextCompat
import kotlinx.android.synthetic.main.activity_main.*

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

        btnCamera.setOnClickListener {
            checkPermission()
        }
    }

    fun checkCameraPermission() {
        val cameraPermission = ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA)

        if (cameraPermission == PackageManager.PERMISSION_GRANTED) {
            startProcess()
        } else {
            requestPermission()
        }
    }

    fun startProcess() {
        Toast.makeText(this, "카메라가 승인되었습니다.", Toast.LENGTH_LONG).show()
    }

    val FlAG_CAMERA = 99
    fun requestPermission() {
        ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.CAMERA), FlAG_CAMERA)
    }

    override fun onRequestPermissionsResult(
            requestCode: Int,
            permissions: Array<out String>,
            grantResults: IntArray
    ) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults)

        when (requestCode) {
            FlAG_CAMERA -> {
                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    startProcess()
                } else {
                    finish()
                }
            }
        }
    }
}

오류 어떻게 해결하나요?

Comments

오류는 없이 코드만 올려주셨네요. 어떤 에러가 나는지 알려주시면 다른 분들이 문제 파악하기가 쉬워질 것 같은데요. 문제의 디테일을 제공해 주시는 건 질문할 때 기본적인 사항이라고 스택오버플로우에 나오더라구요.