anotherim/src/main/res/xml/preferences.xml

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" >

    <PreferenceCategory android:title="@string/pref_general" >
        <CheckBoxPreference
            android:defaultValue="true"
            android:key="grant_new_contacts"
            android:summary="@string/pref_grant_presence_updates_summary"
            android:title="@string/pref_grant_presence_updates" />

        <ListPreference
            android:defaultValue="Mobile"
            android:entries="@array/resources"
            android:entryValues="@array/resources"
            android:key="resource"
            android:summary="@string/pref_xmpp_resource_summary"
            android:title="@string/pref_xmpp_resource" />
        <ListPreference
            android:defaultValue="524288"
            android:entries="@array/filesizes"
            android:entryValues="@array/filesizes_values"
            android:key="auto_accept_file_size"
            android:summary="@string/pref_accept_files_summary"
            android:title="@string/pref_accept_files" />

        <CheckBoxPreference
            android:defaultValue="true"
            android:key="confirm_messages"
            android:summary="@string/pref_confirm_messages_summary"
            android:title="@string/pref_confirm_messages" />
    </PreferenceCategory>
    <PreferenceCategory android:title="@string/pref_notification_settings" >
        <CheckBoxPreference
            android:defaultValue="true"
            android:key="show_notification"
            android:summary="@string/pref_notifications_summary"
            android:title="@string/pref_notifications" />
          <PreferenceScreen
            android:dependency="show_notification"
            android:summary="@string/pref_quiet_hours_summary"
            android:title="@string/title_pref_quiet_hours">
            <CheckBoxPreference
              android:defaultValue="false"
              android:key="enable_quiet_hours"
              android:summary="@string/pref_quiet_hours_summary"
              android:title="@string/title_pref_enable_quiet_hours" />
            <eu.siacs.conversations.ui.TimePreference
              android:dependency="enable_quiet_hours"
              android:key="quiet_hours_start"
              android:negativeButtonText="@string/cancel"
              android:positiveButtonText="@string/set"
              android:title="@string/title_pref_quiet_hours_start_time" />
            <eu.siacs.conversations.ui.TimePreference
              android:dependency="enable_quiet_hours"
              android:key="quiet_hours_end"
              android:negativeButtonText="@string/cancel"
              android:positiveButtonText="@string/set"
              android:title="@string/title_pref_quiet_hours_end_time" />
          </PreferenceScreen>
          <CheckBoxPreference
            android:defaultValue="true"
            android:dependency="show_notification"
            android:key="vibrate_on_notification"
            android:summary="@string/pref_vibrate_summary"
            android:title="@string/pref_vibrate" />

        <RingtonePreference
            android:defaultValue="content://settings/system/notification_sound"
            android:dependency="show_notification"
            android:key="notification_ringtone"
            android:ringtoneType="notification"
            android:summary="@string/pref_sound_summary"
            android:title="@string/pref_sound" />

        <CheckBoxPreference
            android:defaultValue="true"
            android:dependency="show_notification"
            android:key="always_notify_in_conference"
            android:summary="@string/pref_conference_notifications_summary"
            android:title="@string/pref_conference_notifications" />
    </PreferenceCategory>
    <PreferenceCategory android:title="@string/pref_ui_options" >
        <CheckBoxPreference
            android:defaultValue="true"
            android:key="use_subject"
            android:summary="@string/pref_conference_name_summary"
            android:title="@string/pref_conference_name" />
        <CheckBoxPreference
            android:defaultValue="false"
            android:key="use_larger_font"
            android:summary="@string/pref_use_larger_font_summary"
            android:title="@string/pref_use_larger_font" />
        <CheckBoxPreference
            android:defaultValue="false"
            android:key="send_button_status"
            android:summary="@string/pref_use_send_button_to_indicate_status_summary"
            android:title="@string/pref_use_send_button_to_indicate_status" />
        <CheckBoxPreference
            android:defaultValue="false"
            android:key="show_dynamic_tags"
            android:summary="@string/pref_show_dynamic_tags_summary"
            android:title="@string/pref_show_dynamic_tags" />
    </PreferenceCategory>
    <PreferenceCategory android:title="@string/pref_advanced_options" >
        <PreferenceScreen
            android:summary="@string/pref_expert_options_summary"
            android:title="@string/pref_expert_options" >
            <PreferenceCategory android:title="@string/pref_encryption_settings" >
                <CheckBoxPreference
                    android:defaultValue="false"
                    android:key="force_encryption"
                    android:summary="@string/pref_force_encryption_summary"
                    android:title="@string/pref_force_encryption" />
                <CheckBoxPreference
                    android:defaultValue="false"
                    android:key="dont_save_encrypted"
                    android:summary="@string/pref_dont_save_encrypted_summary"
                    android:title="@string/pref_dont_save_encrypted" />
                <CheckBoxPreference
                    android:defaultValue="false"
                    android:key="enable_legacy_ssl"
                    android:summary="@string/pref_enable_legacy_ssl_summary"
                    android:title="@string/pref_enable_legacy_ssl" />
            </PreferenceCategory>
            <PreferenceCategory android:title="@string/pref_expert_options_other" >
                <CheckBoxPreference
                    android:defaultValue="false"
                    android:key="indicate_received"
                    android:summary="@string/pref_use_indicate_received_summary"
                    android:title="@string/pref_use_indicate_received" />
                <CheckBoxPreference
                    android:defaultValue="false"
                    android:key="keep_foreground_service"
                    android:title="@string/pref_keep_foreground_service"
                    android:summary="@string/pref_keep_foreground_service_summary" />
            </PreferenceCategory>
        </PreferenceScreen>

        <CheckBoxPreference
            android:defaultValue="false"
            android:key="never_send"
            android:summary="@string/pref_never_send_crash_summary"
            android:title="@string/pref_never_send_crash" />
    </PreferenceCategory>
		<eu.siacs.conversations.ui.AboutPreference
			android:summary="@string/pref_about_conversations_summary"
			android:title="@string/title_activity_about" />
</PreferenceScreen>