<?xml version="1.0"?> <!DOCTYPE display PUBLIC "-//Liferay//DTD Display 4.0.0//EN" "http://www.liferay.com/dtd/liferay-display_4_0_0.dtd"> <display> <category name="Vaadin"> <portlet id="PortletDemoPortlet" /> <portlet id="CalcPortlet" /> <portlet id="SamplerPortlet" /> <portlet id="Portlet Mode Example" /> <portlet id="Portlet HTML Mode Example" /> <portlet id="AddressBookPortlet" /> <portlet id="Vaadin Liferay Theme Portlet"/> <!-- These should be used together --> <portlet id="InterPortletEventPortlet" /> <portlet id="VaadinInterPortletEventPortlet" /> </category> </display>