Coworking/coworking_coworker/views/res_partner_views.xml

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

<odoo>
<!-- Form -->
  <record id="view_form_res_partner" model="ir.ui.view">
    <field name="name">>res.partner.form.inherit</field>
    <field name="model">res.partner</field>
    <field name="inherit_id" ref ="base.view_partner_form" />
    <field name="arch" type="xml">
      <field name="type" position="after">
        <field name="is_coworker" />
        <field name="coworker_type"
          attrs="{'invisible': [('is_coworker','=', False)]}" />
        <field name="contact_date" />
      </field>
      <field name="email" position="after">
          <field name="url" />
      </field>
    </field>
  </record>

<!-- Tree -->
  <record id="view_tree_res_partner" model="ir.ui.view">
    <field name="name">res.partner.tree.inherit</field>
    <field name="model">res.partner</field>
    <field name="inherit_id" ref ="base.view_partner_tree" />
    <field name="arch" type="xml">
        <field name="phone" position="before">
          <field name="company_name" />
          <field name="full_contact_adress" />
        </field>
        <field name="phone" position="replace">
          <field name="mobile" />
        </field>
    </field>
  </record>

  <!-- Search -->
  <record id="view_search_res_partner" model="ir.ui.view">
    <field name="name">res.partner.search.inherit</field>
    <field name="model">res.partner</field>
    <field name="inherit_id" ref ="base.view_res_partner_filter" />
    <field name="arch" type="xml">
      <search position="inside">
        <filter name="is_coworker" string="Coworker"
          domain="[('is_coworker','=',True)]" />
      <separator />
        <filter name="group_month" string="Month"
          context="{'group_by': 'contact_date:month'}" />
        <filter name="group_year" string="Year"
          context="{'group_by': 'contact_date:year'}" />
      </search>
    </field>
  </record>

<!-- Kanban -->
  <record id="view_kanban_res_partner" model="ir.ui.view">
    <field name="name">res.partner.kanban.inherit</field>
    <field name="model">res.partner</field>
    <field name="inherit_id" ref ="base.res_partner_kanban_view" />
    <field name="arch" type="xml">
      <field name="city" position="after">
        <field name="full_contact_adress" />
      </field>
      <xpath expr="//div[@class='oe_kanban_details']/ul/li[4]" position="replace">
        <li><field name="full_contact_adress" /></li>
      </xpath>
      <xpath expr="//div[@class='oe_kanban_details']/ul/li[5]" position="attributes">
        <attribute name="style">display: none;</attribute>
      </xpath>
      <xpath expr="//div[@class='oe_kanban_details']/ul/li[6]" position="attributes">
        <attribute name="style">display: none;</attribute>
      </xpath>
    </field>
  </record>

<!-- Calendar -->
  <act_window id="contacts.action_contacts" name="Contacts"
    res_model="res.partner" view_mode="kanban,form,calendar,graph,pivot" />

  <record id="view_calendar_res_partner" model="ir.ui.view">
    <field name="name">res.partner.calendar</field>
    <field name="model">res.partner</field>
    <field name="arch" type="xml">
      <calendar date_start="contact_date" mode="month"
        display="First contact : [name]" >
        <field name="name" />
      </calendar>
    </field>
  </record>

<!-- Graph -->
<record id="view_graph_res_partner" model="ir.ui.view">
  <field name="name">res.partner.graph</field>
  <field name="model">res.partner</field>
  <field name="arch" type="xml">
   <graph type="bar">
     <field name="is_coworker" />
   </graph>
  </field>
  </record>

  <record id="view_pivot_res_partner" model="ir.ui.view">
  <field name="name">res.partner.pivot</field>
  <field name="model">res.partner</field>
   <field name="arch" type="xml">
     <pivot>
       <field name="is_coworker" type="col" />
       <field name="user_id" />
       <field name="contact_date" interval="week" />
     </pivot>
   </field>
  </record>

</odoo>