thunderbird-android/res/xml/font_preferences.xml

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

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">

    <PreferenceCategory android:title="@string/font_size_account_list" android:key="account_list_fonts">

        <ListPreference
            android:key="account_name_font"
            android:title="@string/font_size_account_name"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_account_name" />

        <ListPreference
            android:key="account_description_font"
            android:title="@string/font_size_account_description"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_account_description" />

    </PreferenceCategory>

    <PreferenceCategory android:title="@string/font_size_folder_list" android:key="folder_list_fonts">

        <ListPreference
            android:key="folder_name_font"
            android:title="@string/font_size_folder_name"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_folder_name" />

        <ListPreference
            android:key="folder_status_font"
            android:title="@string/font_size_folder_status"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_folder_status" />

    </PreferenceCategory>

    <PreferenceCategory android:title="@string/font_size_message_list" android:key="message_list_fonts">

        <ListPreference
            android:key="message_list_subject_font"
            android:title="@string/font_size_message_list_subject"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_message_list_subject" />

        <ListPreference
            android:key="message_list_sender_font"
            android:title="@string/font_size_message_list_sender"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_message_list_sender" />

        <ListPreference
            android:key="message_list_date_font"
            android:title="@string/font_size_message_list_date"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_message_list_date" />

    </PreferenceCategory>

    <PreferenceCategory android:title="@string/font_size_message_view" android:key="message_view_fonts">

        <ListPreference
            android:key="message_view_sender_font"
            android:title="@string/font_size_message_view_sender"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_message_view_sender" />

        <ListPreference
            android:key="message_view_to_font"
            android:title="@string/font_size_message_view_to"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_message_view_to" />

        <ListPreference
            android:key="message_view_cc_font"
            android:title="@string/font_size_message_view_cc"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_message_view_cc" />

  		<ListPreference
            android:key="message_view_additional_headers_font"
            android:title="@string/font_size_message_view_additional_headers"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_message_view_additional_headers" />

        <ListPreference
            android:key="message_view_subject_font"
            android:title="@string/font_size_message_view_subject"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_message_view_subject" />

        <ListPreference
            android:key="message_view_time_font"
            android:title="@string/font_size_message_view_time"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_message_view_time" />

        <ListPreference
            android:key="message_view_date_font"
            android:title="@string/font_size_message_view_date"
            android:entries="@array/font_entries"
            android:entryValues="@array/font_values"
            android:dialogTitle="@string/font_size_message_view_date" />

        <ListPreference
            android:key="message_view_content_font"
            android:title="@string/font_size_message_view_content"
            android:entries="@array/font_entries_webview"
            android:entryValues="@array/font_values_webview"
            android:dialogTitle="@string/font_size_message_view_content" />

    </PreferenceCategory>

</PreferenceScreen>