WithoutSuspend.kt

    fun confirm() {
        requestLocationWithCheck()
    }

    @NeedsPermission(Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION)
    fun requestLocation() {
        fusedLocationClient.lastLocation.addOnSuccessListener {
            send(it)
            fragmentManager.beginTransaction()
                    .replace(R.id.container, MyFragment.newInstance())
                    .commit()
        }
    }
    
    @OnPermissionDenied
    fun locationDenied() {
        fragmentManager.beginTransaction()
                .replace(R.id.container, MyFragment.newInstance())
                .commit()
    }

WithSuspend.kt

    fun confirm() = launch {
        val location = requestLocationWithCheck()
        location?.let{
            send(it)
        }

        fragmentManager.beginTransaction()
                .replace(R.id.container, MyFragment.newInstance())
                .commit()
    }

    @NeedsPermission(Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION)
    suspend fun requestLocation() = suspendCoroutine<Location> { cont ->
        fusedLocationClient.lastLocation.addOnSuccessListener {
            cont.resume(it)
        }
    }