Android/Gradle/app/src/main/res/xml/settings_headers.xml

<?xml version="1.0" encoding="utf-8"?>

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

  <header
    android:fragment="org.a11y.brltty.android.settings.GeneralSettings"
    android:title="@string/SETTINGS_SCREEN_GENERAL"
   />

  <header
    android:fragment="org.a11y.brltty.android.settings.MessageSettings"
    android:title="@string/SETTINGS_SCREEN_MESSAGE"
   />

  <header
    android:fragment="org.a11y.brltty.android.settings.DeviceManager"
    android:title="@string/SETTINGS_SCREEN_DEVICES"
   />

  <header
    android:fragment="org.a11y.brltty.android.settings.AdvancedSettings"
    android:title="@string/SETTINGS_SCREEN_ADVANCED"
   />
</preference-headers>