<?xml version="1.0"?>
<h:html xmlns="http://www.w3.org/2002/xforms" xmlns:ev="http://www.w3.org/2001/xml-events" xmlns:h="http://www.w3.org/1999/xhtml" xmlns:jr="http://openrosa.org/javarosa" xmlns:odk="http://www.opendatakit.org/xforms" xmlns:orx="http://openrosa.org/xforms" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<h:head>
<h:title>group</h:title>
<model odk:xforms-version="1.0.0">
<itext>
<translation lang="English (en)">
<text id="/data/family_name:label">
<value>What's your family name?</value>
</text>
<text id="/data/father:label">
<value>Father</value>
</text>
<text id="/data/father/phone_number:label">
<value>What's your father's phone number?</value>
</text>
<text id="/data/father/age:label">
<value>How old is your father?</value>
</text>
</translation>
</itext>
<instance>
<data id="group">
<family_name/>
<father>
<phone_number/>
<age/>
</father>
<meta>
<instanceID/>
</meta>
</data>
</instance>
<bind nodeset="/data/family_name" type="string"/>
<bind constraint="regex(., '^\d*$')" nodeset="/data/father/phone_number" type="string"/>
<bind nodeset="/data/father/age" type="int"/>
<bind jr:preload="uid" nodeset="/data/meta/instanceID" readonly="true()" type="string"/>
</model>
</h:head>
<h:body>
<input ref="/data/family_name">
<label ref="jr:itext('/data/family_name:label')"/>
</input>
<group ref="/data/father">
<label ref="jr:itext('/data/father:label')"/>
<input ref="/data/father/phone_number">
<label ref="jr:itext('/data/father/phone_number:label')"/>
<hint>Enter numbers only.</hint>
</input>
<input ref="/data/father/age">
<label ref="jr:itext('/data/father/age:label')"/>
</input>
</group>
</h:body>
</h:html>