AndroidManifest.xml
  <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme"
        android:usesCleartextTraffic="true">


[모두 허용]
 android:usesCleartextTraffic="true" 
true 설정하면 모든 http 주소에 접근을 허용한다.

[일부허용]
 /res/xml/network_security_config.xml
<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
    <domain-config cleartextTrafficPermitted="false">
        <domain includeSubdomains="true">goodsweb.kr</domain>
    </domain-config>
</network-security-config>

AndroidManifest.xml
    <application android:networkSecurityConfig="@xml/network_security_config"
저장된 리스트 network_security_config 허용한다.