Coworking/views/coworker_views.xml

<?xml version="1.0" encoding="utf-8"?>

<odoo>

  <record id="view_form_coworker" model="ir.ui.view">
    <field name="name">Coworker Form</field>
    <field name="model">coworking.coworker</field>
    <field name="arch" type="xml">
      <form string="Coworker">
        <sheet>
          <group name="group_top">
            <group name="group_left">
              <field name="contact_date" />
              <field name="name" />
              <field name="firstname" />
              <field name="coworker_type" />
              <field name="company_name" />
              <field name="job"
                attrs="{'invisible': [('company_name', '=', False)], 'required': [('company_name', '!=', False)]}" />
            </group>
            <group name="group_right">
              <field name="street" />
              <field name="postal_code" />
              <field name="city" />
              <field name="gsm" />
              <field name="phone_number" />
              <field name="email" />
              <field name="url" />
            </group>
            <field name="note" />
            <field name="is_done" />
            <field name="is_active" readonly="1" />
          </group>
        </sheet>
      </form>
    </field>
  </record>
  <record id="view_tree_coworker" model="ir.ui.view">
    <field name="name">Coworker Tree</field>
    <field name="model">coworking.coworker</field>
    <field name="arch" type="xml">
      <tree>
        <field name="name" />
        <field name="firstname" />
        <field name="company_name" />
        <field name="gsm" />
        <field name="email" />
      </tree>
    </field>
  </record>
</odoo>