Extension function to check if the device is connected to the internet

isOnline.kt

/**
 * Whether the device has an active connection to the internet
 */
val Context.isConnected: Boolean
    get() {
        val cm = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
        
        val activeNetwork = cm.activeNetwork ?: return false
        return cm.getNetworkCapabilities(activeNetwork)
                ?.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET) == true
    }