Deprecated object in MainActivity

[hugoseri]

    private fun checkConnectivity(context: Context) {
        val cm = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager 
        val activeNetwork: NetworkInfo? = cm.activeNetworkInfo
        val isConnected: Boolean = activeNetwork?.isConnectedOrConnecting == true
        //Alert Dialog box
        val alertDialog: AlertDialog? = this.let {
            val builder = AlertDialog.Builder(it)
            builder.apply {
                setPositiveButton(R.string.OK,
                    DialogInterface.OnClickListener { dialog, id ->
                        // User clicked OK button
                    })
            }
            builder.setTitle(R.string.no_internet_connexion)
            builder.setMessage(R.string.offline_message)
            // Create the AlertDialog
            builder.create()
        }
        if (!isConnected) {
            alertDialog?.show()
        }
    }

Line in bold is deprecated according to Android Studio.

[hugoseri]

The deprecated NetworkInfo object is currently in progress as shows this discussion.
This issue is then pending.