<can anyone help me out why I am getting null valu...

# stackoverflow

[user]

can anyone help me out why I am getting null value even there is no error in the code
package com.example.myquizapp
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.util.Log
import android.widget.ProgressBar
import android.widget.TextView

here is my code
class QuizActivity : AppCompatActivity() {
private var progressBar : ProgressBar?= null
private var tvProgress : TextView? = null

override fun onCreate(savedInstanceState: Bundle?) {
progressBar = findViewById(R.id.progressBar)

on hover R.id.progressBar I get...