Android Network Config

AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="dev.ryandsilva.flutter_app">
   <application
        android:label="flutter_app"
        android:name="${applicationName}"
        android:icon="@mipmap/ic_launcher"
        android:networkSecurityConfig="@xml/security_config">
  ...
  ...

security_config.xml

<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
    <domain-config cleartextTrafficPermitted="false">
        <domain includeSubdomains="true">ryandsilva.dev</domain>
        <trust-anchors>
            <certificates src="@raw/ryandsilva-dev"/>
        </trust-anchors>
    </domain-config>
</network-security-config>