library/library_app/views/book_view.xml

<?xml version="1.0"?>
<odoo>
    <record id="view_form_book" model="ir.ui.view">
        <field name="name">Book Form</field>
        <field name="model">library.book</field>
        <field name="arch" type="xml">
	<form string="Book">
	    <header>
		<button name="button_check_isbn" type="object"
		    string="Check ISBN" />
	    </header>
	    <sheet>
		<group name="group_top">
		    <group name="group_left">
			<field name="name" />
			<field name="author_ids" widget="many2many_tags" />
			<field name="publisher_id" />
			<field name="date_published" />
		    </group>
		    <group name="group_right">
			<field name="isbn" />
			<field name="active" />
			<field name="image" widget="image" />
		    </group>
		</group>
	    </sheet>
	</form>        
	</field>
    </record>
    <record id="view_tree_book" model="ir.ui.view">
        <field name="name">Book List</field>
        <field name="model">library.book</field>
        <field name="arch" type="xml">
            <tree>
                <field name="name" />
                <field name="author_ids" widget="many2many_tags" />
                <field name="publisher_id" />
                <field name="date_published" />
            </tree>
        </field>
    </record>
    <record id="view_search_book" model="ir.ui.view">
        <field name="name">Book Filters</field>
        <field name="model">library.book</field>
        <field name="arch" type="xml">
            <search>
                <field name="publisher_id" />
                <filter name="filter_active"
                    string="Active"
                    domain="[('active','=',True)]" />
               <filter name="filter_inactive"
                    string="Inactive"
                    domain="[('active','=',False)]" />
            </search>
        </field>
    </record>
</odoo>