app/src/main/res/xml/pref_headers.xml

<preference-headers xmlns:android="http://schemas.android.com/apk/res/android">

	<!-- These settings headers are only used on tablets. -->

	<header
	  android:fragment="org.rivoreo.talk.SettingsActivity$GeneralPreferenceFragment"
	  android:title="@string/pref_header_general"/>

	<header
	  android:fragment="org.rivoreo.talk.SettingsActivity$NotificationPreferenceFragment"
	  android:title="@string/pref_header_notifications"/>

	<header
	  android:fragment="org.rivoreo.talk.SettingsActivity$DataSyncPreferenceFragment"
	  android:title="@string/pref_header_data_sync"/>

</preference-headers>