server-tools/base_custom_info/views/custom_info_value_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2016 Jairo Llopis <jairo.llopis@tecnativa.com>
     License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl). -->
<odoo>

<record id="base_custom_info_value_tree" model="ir.ui.view">
    <field name="name">Custom Info Value Tree</field>
    <field name="model">custom.info.value</field>
    <field name="arch" type="xml">
        <tree string="Custom Property Values" create="0" delete="0">
            <field name="owner_id" invisible="context.get('embed')"/>
            <field name="category_id"/>
            <field name="property_id"/>
            <field name="value"/>
        </tree>
    </field>
</record>

<record id="base_custom_info_value_form" model="ir.ui.view">
    <field name="name">Custom Info Value Form</field>
    <field name="model">custom.info.value</field>
    <field name="arch" type="xml">
        <form>
            <sheet>
                <group name="metadata">
                    <field name="owner_id" invisible="context.get('embed')"/>
                    <field name="category_id"/>
                    <field name="property_id" readonly="context.get('embed')"/>
                    <field name="field_type" readonly="True"/>
                    <field name="required" readonly="True"/>
                </group>
                <group name="value">
                    <field
                        name="value_str"
                        attrs="{'invisible': [('field_type', '!=', 'str')], 'required': [('required', '=', True), ('field_type', '=', 'str')]}"/>
                    <field
                        name="value_int"
                        attrs="{'invisible': [('field_type', '!=', 'int')], 'required': [('required', '=', True), ('field_type', '=', 'int')]}"/>
                    <field
                        name="value_float"
                        attrs="{'invisible': [('field_type', '!=', 'float')], 'required': [('required', '=', True), ('field_type', '=', 'float')]}"/>
                    <field
                        name="value_bool"
                        attrs="{'invisible': [('field_type', '!=', 'bool')], 'required': [('required', '=', True), ('field_type', '=', 'bool')]}"/>
                    <field
                        name="value_id"
                        widget="selection"
                        attrs="{'invisible': [('field_type', '!=', 'id')], 'required': [('required', '=', True), ('field_type', '=', 'id')]}"/>
                </group>
                <div invisible="context.get('embed')"
                     class="alert alert-warning">
                    <strong>Warning!</strong>
                    You might see no changes in parent form until you save it.
                </div>
            </sheet>
        </form>
    </field>
</record>

<record id="base_custom_info_value_search" model="ir.ui.view">
    <field name="name">Custom Info Value Search</field>
    <field name="model">custom.info.value</field>
    <field name="arch" type="xml">
        <search>
            <field name="model"/>
            <field name="res_id"/>
            <field name="category_id"/>
            <field name="property_id"/>
            <field name="value"/>
            <group expand="0" string="Group By">
                <filter
                    string="Owner"
                    context="{'group_by': ['model' , 'res_id']}"/>
                <filter
                    string="Category"
                    context="{'group_by': 'category_id'}"/>
                <filter
                    string="Property"
                    context="{'group_by': 'property_id'}"/>
            </group>
        </search>
    </field>
</record>

<record id="custom_info_value_action" model="ir.actions.act_window">
    <field name="name">Values</field>
    <field name="type">ir.actions.act_window</field>
    <field name="res_model">custom.info.value</field>
    <field name="view_mode">tree,form</field>
    <field name="view_type">form</field>
</record>

</odoo>