MainActivity.kt

package com.example.myapplication

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.util.Log

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.scrollview_13)

        Log.d("life_cycle", "onCreate")
    }

    override fun onStart() {
        super.onStart()
        Log.d("life_cycle", "onStart")
    }

    override fun onPostResume() {
        super.onPostResume()
        Log.d("life_cycle", "onResume")
    }

    override fun onPause() {
        super.onPause()
        Log.d("life_cycle", "onPause")
    }

    override fun onStop() {
        super.onStop()
        Log.d("life_cycle", "onStop")
    }

    override fun onDestroy() {
        super.onDestroy()
        Log.d("life_cycle", "onDestroy")
    }
}