OwncloudContactsOfficial/appinfo/app.php

<?php

namespace OCA\Contacts;
use \OCA\AppFramework\Core\API;

//require_once __DIR__ . '/../lib/contact.php';
\Sabre\VObject\Component::$classMap['VCARD'] = '\OCA\Contacts\Contact';
\Sabre\VObject\Property::$classMap['FN'] = '\OC\VObject\StringProperty';
\Sabre\VObject\Property::$classMap['TITLE'] = '\OC\VObject\StringProperty';
\Sabre\VObject\Property::$classMap['ROLE'] = '\OC\VObject\StringProperty';
\Sabre\VObject\Property::$classMap['NOTE'] = '\OC\VObject\StringProperty';
\Sabre\VObject\Property::$classMap['NICKNAME'] = '\OC\VObject\StringProperty';
\Sabre\VObject\Property::$classMap['EMAIL'] = '\OC\VObject\StringProperty';
\Sabre\VObject\Property::$classMap['TEL'] = '\OC\VObject\StringProperty';
\Sabre\VObject\Property::$classMap['IMPP'] = '\OC\VObject\StringProperty';
\Sabre\VObject\Property::$classMap['URL'] = '\OC\VObject\StringProperty';
\Sabre\VObject\Property::$classMap['GEO'] = '\Sabre\VObject\Property\Compound';

// dont break owncloud when the appframework is not enabled
if(\OCP\App::isEnabled('appframework')) {
	$api = new API('contacts');

	$api->addNavigationEntry(array(
		'id' => 'contacts_index',
		'order' => 10,
		'href' => \OC_Helper::linkToRoute('contacts_index'),
		'icon' => \OCP\Util::imagePath( 'contacts', 'contacts.svg' ),
		'name' => \OC_L10N::get('contacts')->t('Contacts')
		)
	);

	$api->connectHook('\OC_User', 'post_createUser', '\OCA\Contacts\Hooks', 'userCreated');
	$api->connectHook('\OC_User', 'post_deleteUser', '\OCA\Contacts\Hooks', 'userDeleted');
	$api->connectHook('\OCA\Contacts', 'pre_deleteAddressBook', '\OCA\Contacts\Hooks', 'addressBookDeletion');
	$api->connectHook('\OCA\Contacts', 'pre_deleteContact', '\OCA\Contacts\Hooks', 'contactDeletion');
	$api->connectHook('\OCA\Contacts', 'post_createContact', '\OCA\Contacts\Hooks', 'contactUpdated');
	$api->connectHook('\OCA\Contacts', 'post_updateContact', '\OCA\Contacts\Hooks', 'contactUpdated');
	$api->connectHook('\OCA\Contacts', 'scanCategories', '\OCA\Contacts\Hooks', 'scanCategories');
	$api->connectHook('\OCA\Contacts', 'indexProperties', '\OCA\Contacts\Hooks', 'indexProperties');
	$api->connectHook('\OC_Calendar', 'getEvents', '\OCA\Contacts\Hooks', 'getBirthdayEvents');
	$api->connectHook('\OC_Calendar', 'getSources', '\OCA\Contacts\Hooks', 'getCalenderSources');

}
\OCP\Util::addscript('contacts', 'loader');

\OC_Search::registerProvider('\OCA\Contacts\SearchProvider');
\OCP\Share::registerBackend('contact', '\OCA\Contacts\Share_Backend_Contact');
//OCP\Share::registerBackend('addressbook', 'OCA\Contacts\Share_Backend_Addressbook', 'contact');

/*
if(OCP\User::isLoggedIn()) {
	foreach(OCA\Contacts\Addressbook::all(OCP\USER::getUser()) as $addressbook)  {
		OCP\Contacts::registerAddressBook(new OCA\Contacts\AddressbookProvider($addressbook['id']));
	}
}*/