Android - Adicionando onBackPressed com dois clicks no Fragment - Clicking the back button twice to exit in fragment

.OnBackPressedInFragment_ActivityUtils.kt

import android.os.CountDownTimer
import androidx.activity.OnBackPressedCallback
import androidx.fragment.app.FragmentActivity
import java.util.concurrent.atomic.AtomicBoolean

fun FragmentActivity.addOnBackPressedCallbackWithInterval(
    millisToBack: Long,
    firstPressed: () -> Unit
) {
    onBackPressedDispatcher.addCallback(
        this, ActivityUtils.getOnBackPressedCallbackWithInterval(
            this,
            millisToBack,
            firstPressed
        )
    )
}

object ActivityUtils {
    fun getOnBackPressedCallbackWithInterval(
        fragmentActivity: FragmentActivity,
        millisToBack: Long,
        firstPressed: () -> Unit
    ) =
        object : OnBackPressedCallback(true) {
            var pressed = AtomicBoolean(false)
            val counter = object : CountDownTimer(millisToBack, millisToBack) {
                override fun onTick(millisUntilFinished: Long) {}

                override fun onFinish() {
                    if (pressed.get()) {
                        pressed.set(false)
                    }
                }
            }

            override fun handleOnBackPressed() {
                if (pressed.get()) disableAndPressOnBack()
                else {
                    pressed.set(true)
                    firstPressed()
                }
                counter.start()
            }

            private fun disableAndPressOnBack() {
                isEnabled = false
                fragmentActivity.onBackPressed()
                remove()
            }
        }
}

MenuFragment.kt

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.fragment.app.Fragment
import br.com.helpdev.R
import br.com.helpdev.lib.helper.activity.addOnBackPressedCallbackWithInterval

class MenuFragment : Fragment() {

    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        return inflater.inflate(R.layout.fragment_menu, container, false)
    }

    override fun onAttach(context: Context) {
        super.onAttach(context)
        configureOnBackPress()
    }

    private fun configureOnBackPress() {
        requireActivity().addOnBackPressedCallbackWithInterval(2000) {
            Toast.makeText(
                context,
                getString(R.string.alert_press_again_to_exit),
                Toast.LENGTH_LONG
            ).show()
        }
    }

}