UnknownServiceException: CLEARTEXT communication not permitted by network security policy

In my case main reason of this problem was , I have used http:// rest call to get the data from backend.
But Android has safety restrictions which force the application to use https:// instead of http://.
But some of the URLs will work only with http:// and will not work with https://

e.g :
http://dallas-restaurants.33gfuuywva.us-east-2.elasticbeanstalk.com/restaurants/
This URL will not work if we give like this with https://
https://dallas-restaurants.33gfuuywva.us-east-2.elasticbeanstalk.com/restaurants/

In these situations we need to forcefully use the http:// urls in our application like below


AndroidManifest.xml:

<?xml version="1.0" encoding="utf-8"?>
<manifest android:targetSandboxVersion="1">
    <uses-permission android:name="android.permission.INTERNET" />

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

</manifest>

res/layout/xml/network_security_config.xml

<?xml version="1.0" encoding="utf-8"?><network-security-config>
    <base-config cleartextTrafficPermitted="true">
        <trust-anchors>
            <certificates src="system" />
        </trust-anchors>
    </base-config>
</network-security-config>


Then this will allow the application to use http://