backup_rules.xml

    <?xml version="1.0" encoding="utf-8"?><!--
       Sample backup rules file; uncomment and customize as necessary.
       See https://developer.android.com/guide/topics/data/autobackup
       for details.
       Note: This file is ignored for devices older than API 31
       See https://developer.android.com/about/versions/12/backup-restore
    -->
    <full-backup-content>
        <!--
       <include domain="sharedpref" path="."/>
       <exclude domain="sharedpref" path="device.xml"/>
    -->
    </full-backup-content>