landing_page_view.xml

<?xml version="1.0"?>
<odoo>
    <record id="landing_page_form_view" model="ir.ui.view">
        <field name="name">landing.page.form.view</field>
        <field name="model">landing.page</field>
        <field name="arch" type="xml">
            <form create="false">
                <header>
                    <button name="action_landing_page_status" type="object" string="Publish" attrs="{'invisible': [('status','!=','draft')]}"/>
                    <button name="action_landing_page_status" type="object" string="Unpublish" attrs="{'invisible': [('status','!=','publish')]}"/>
                    <field name="status" widget="statusbar"/>
                </header>

                <group style="width:40px;">
                    <h4 style="color:green;" attrs="{'invisible': [('status','!=','publish')]}">Published</h4>
                    <h4 style="color:orange;" attrs="{'invisible': [('status','!=','draft')]}">Draft</h4>
                </group>
                <group>
                    <field name="name"/>
                    <field name="allow_new_members"/>
                    <field name="number_of_members"/>
                    <field name="virtual_office_link"/>
                    <field name="external_website_link"/>
                </group>
                <group>
                    <field name="group_image_link"/>
                    <field name="short_description"/>
                    <field name="long_description"/>
                    <field name="why_become_cooperator"/>
                    <field name="become_cooperator_process"/>
                    <field name="subscription_information"/>
                </group>
                <group>
                    <field name="new_cooperator_form_link"/>
                    <field name="contact_form"/>
                    <field name="subscription_link"/>
                    <field name="social_media_link"/>
                </group>
                <group>
                    <field name="map_geolocation"/>
                    <field name="street"/>
                    <field name="postal_code"/>
                    <field name="city"/>
                </group>
            </form>
        </field>    
    </record>

</odoo>