delivery_carrier_view.xml

<?xml version="1.0" encoding="utf-8" ?>
<!-- Copyright 2016-2020 Tecnativa - Pedro M. Baeza
     Copyright 2017 Tecnativa - Luis M. Ontalba
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
<odoo>
    <record id="view_delivery_carrier_form" model="ir.ui.view">
        <field name="model">delivery.carrier</field>
        <field name="inherit_id" ref="delivery.view_delivery_carrier_form" />
        <field name="arch" type="xml">
            <div name="title" position="after">
                <group name="group_destination_type">
                    <field
                        name="destination_type"
                        invisible="context.get('show_children_fields', False)"
                    />
                </group>
            </div>
            <group name="provider_details" position="attributes">
                <attribute
                    name="attrs"
                >{'invisible': [('destination_type', '=', 'multi')]}</attribute>
            </group>
            <label for="margin" position="attributes">
                <attribute
                    name="attrs"
                >{'invisible': [('destination_type', '=', 'multi')]}</attribute>
            </label>
            <xpath expr="//field[@name='margin']/.." position="attributes">
                <attribute
                    name="attrs"
                >{'invisible': [('destination_type', '=', 'multi')]}</attribute>
            </xpath>
            <xpath expr="//field[@name='free_over']/.." position="attributes">
                <attribute
                    name="attrs"
                >{'invisible': [('destination_type', '=', 'multi')]}</attribute>
            </xpath>
            <field name="amount" position="attributes">
                <attribute
                    name="attrs"
                >{'required':[('free_over','!=', False)], 'invisible':['|', ('free_over','=', False), ('destination_type', '=', 'multi')]}</attribute>
            </field>
            <page name="pricing" position="attributes">
                <attribute
                    name="attrs"
                >{'invisible': [('destination_type', '=', 'multi')]}</attribute>
            </page>
            <page name="destination" position="attributes">
                <attribute
                    name="attrs"
                >{'invisible': [('destination_type', '=', 'multi')]}</attribute>
            </page>
            <notebook position="inside">
                <page
                    string="Destinations"
                    name="page_multi_destination"
                    attrs="{'invisible': [('destination_type', '!=', 'multi')]}"
                >
                    <field name="child_ids" context="{'show_children_fields': True}" />
                </page>
            </notebook>
        </field>
    </record>
    <record id="view_delivery_carrier_tree" model="ir.ui.view">
        <field name="model">delivery.carrier</field>
        <field name="inherit_id" ref="delivery.view_delivery_carrier_tree" />
        <field name="arch" type="xml">
            <field name="delivery_type" position="attributes">
                <attribute
                    name="attrs"
                >{'invisible': [('destination_type', '!=', 'one')]}</attribute>
            </field>
            <field name="delivery_type" position="after">
                <field name="destination_type" />
                <field
                    name="country_ids"
                    invisible="not context.get('show_children_fields', False)"
                />
                <field
                    name="state_ids"
                    invisible="not context.get('show_children_fields', False)"
                />
                <field
                    name="zip_prefix_ids"
                    widget="many2many_tags"
                    invisible="not context.get('show_children_fields', False)"
                />
            </field>
        </field>
    </record>
    <record id="delivery.action_delivery_carrier_form" model="ir.actions.act_window">
        <field name="domain">[('parent_id', '=', False)]</field>
        <field name="context">{'show_children_carriers': True}</field>
    </record>
</odoo>