WebView is not loading page in Android 9.0?

This method works for all domains also with Android 9. Add this property to your Manifest like this:

<application
    ...
   android:usesCleartextTraffic="true"
    ...>
</application>

Actually you should avoid using http, but if there is no way you can do this:

1. Add @xml/network_security_config into your resources:

   <?xml version="1.0" encoding="utf-8"?>
   <network-security-config>
       <domain-config cleartextTrafficPermitted="true">
           <domain includeSubdomains="true">www.smedk.ru</domain>
       </domain-config>
   </network-security-config>
   

2. Add this security config to your Manifest like this:

   <application
       ...
       android:networkSecurityConfig="@xml/network_security_config"
       ...>
   
       ...
   </application>
   

3. Now you allowed using HTTP connection on www.smedk.ru subdomains.

You can read more in https://developer.android.com/training/articles/security-config#CleartextTrafficPermitted

Note: The guidance in this section applies only to apps that target Android 8.1 (API level 27) or lower. Starting with Android 9 (API level 28), cleartext support is disabled by default.