eiru_civil_engineering/views/eiru_construction_task.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <!-- from -->
        <record id="eiru_construction_task_form" model="ir.ui.view">
            <field name="name">eiru.construction.task.form</field>
            <field name="model">construction.task</field>
            <field name="arch" type="xml">
                <form string="Tarea">
                    <sheet>
                        <h1>
                            <field name="name" nolabel="1"/>
                        </h1>
                        <group col="2">
                            <group>
                                <field name='code' string="Codigo"/>
                                <field name="active" string="Activo"/>
                            </group>
                            <group>
                                <field name="ref" string="Referencia"/>
                            </group>
                        </group>
                        <notebook>
                            <page string="Actividades ">
                                <field name="line_ids">
                                    <tree string="Lista de actividades">
                                        <field name="code" string="Codigo"/>
                                        <field name="name" string="Descripción"/>
                                        <field name="construction_uom" string="Unida de Medida"/>
                                        <field name="amount" string="Precio Unitario"/>
                                    </tree>
                                </field>
                            </page>
                        </notebook>
                        <group>
                            <field name="comment" string="Información Adicional"/>
                        </group>
                    </sheet>
                </form>
            </field>
        </record>
        <!-- Tree -->
        <record id="eiru_construction_task_tree" model="ir.ui.view">
			<field name="name">eiru.construction.task.tree</field>
			<field name="model">construction.task</field>
			<field name="arch" type="xml">
				<tree>
                    <field name='code' string="Codigo"/>
                    <field name="name" string="Descripción"/>
                    <field name="ref" string="Referencia"/>
                    <field name="active" string="Activo"/>
				</tree>
			</field>
		</record>
        <!-- Actions  -->
        <record id="eiru_construction_task_actions" model="ir.actions.act_window">
            <field name="name">Tarea</field>
            <field name="res_model">construction.task</field>
            <field name="view_type">form</field>
            <field name="view_mode">tree,form</field>
            <field name="target">current</field>
        </record>

        <!-- Menu  -->
        <menuitem
            id="menu_eiru_construction_task"
            name="Tarea"
            parent="eiru_construction_menu_task"
            action="eiru_construction_task_actions"
            sequence="1"/>
    </data>
</openerp>