<?xml version="1.0"?>
<form string="Activity">
                    <field name="company_id" invisible="1"/>
                    <sheet>
                        <group>
                            <field name="activity_type_id"/>
                            <field name="summary"/>
                            <field name="company_id" groups="base.group_multi_company"/>
                            <field name="responsible"/>
                            <field name="responsible_id" attrs="{'invisible': [('responsible', '!=', 'other')]}"/>
                            <field name="note"/>
                        </group>
                    </sheet>
                </form>
            