Android Kotlin Get WiFi IP

How to get WiFi IP address in Android Kotlin.

val wm = applicationContext.getSystemService(WIFI_SERVICE) as WifiManager
val longIp = wm.connectionInfo.ipAddress.toLong()
val byteIp = BigInteger.valueOf(longIp).toByteArray().reversedArray()
val strIp = InetAddress.getByAddress(byteIp).hostAddress