session-android/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/preferences__general">
        <CheckBoxPreference android:defaultValue="true"
                          android:key="pref_all_sms"
                          android:summary="@string/preferences__use_textsecure_for_viewing_and_storing_all_incoming_text_messages"
                          android:title="@string/preferences__pref_all_sms_title" />

        <CheckBoxPreference android:defaultValue="true"
                          android:key="pref_all_mms"
                          android:summary="@string/preferences__use_textsecure_for_viewing_and_storing_all_incoming_multimedia_messages"
                          android:title="@string/preferences__pref_all_mms_title" />

        <CheckBoxPreference android:defaultValue="false"
                            android:key="pref_delivery_report_sms"
                            android:summary="@string/preferences__request_a_delivery_report_for_each_sms_message_you_send"
                            android:title="@string/preferences__sms_delivery_reports" />

    </PreferenceCategory>
    <PreferenceCategory android:title="@string/preferences__notifications">
        <CheckBoxPreference android:key="pref_key_enable_notifications"
                            android:title="@string/preferences__notifications"
                            android:summary="@string/preferences__display_message_notifications_in_status_bar"
                            android:defaultValue="true" />
        <ListPreference
                          android:key="pref_led_color"
                          android:defaultValue="green"
                          android:title="@string/preferences__led_color"
                          android:dependency="pref_key_enable_notifications"
                          android:summary="@string/preferences__change_notification_led_color"
                          android:entries="@array/pref_led_color_entries"
                          android:entryValues="@array/pref_led_color_values"
                          android:dialogTitle="@string/preferences__select_led_color" />

        <org.thoughtcrime.securesms.preferences.LedBlinkPatternListPreference
                          android:key="pref_led_blink"
                          android:defaultValue="500,2000"
                          android:title="@string/preferences__pref_led_blink_title"
                          android:dependency="pref_key_enable_notifications"
                          android:summary="@string/preferences__change_notification_blink_pattern"
                          android:entries="@array/pref_led_blink_pattern_entries"
                          android:entryValues="@array/pref_led_blink_pattern_values"
                          android:dialogTitle="@string/preferences__pref_led_blink_dialogtitle" />


        <RingtonePreference android:layout="?android:attr/preferenceLayoutChild"
                            android:dependency="pref_key_enable_notifications"
                            android:key="pref_key_ringtone"
                            android:title="@string/preferences__select_ringtone"
                            android:ringtoneType="notification"
                            android:defaultValue="content://settings/system/notification_sound" />
        <CheckBoxPreference android:layout="?android:attr/preferenceLayoutChild"
                            android:dependency="pref_key_enable_notifications"
                            android:key="pref_key_vibrate"
                            android:defaultValue="true"
                            android:title="@string/preferences__vibrate"
                            android:summary="@string/preferences__also_vibrate_when_notified" />
  </PreferenceCategory>

  <PreferenceCategory android:title="Input Settings">
      <CheckBoxPreference android:defaultValue="false"
                          android:key="pref_enter_key"
                          android:title="Enable enter key"
                          android:summary="Replace the smiley key with an enter key"/>

      <CheckBoxPreference android:defaultValue="false"
                          android:key="pref_enter_sends"
                          android:summary="@string/preferences__pressing_the_enter_key_will_send_text_messages"
                          android:title="@string/preferences__pref_enter_sends_title" />

  </PreferenceCategory>

  <PreferenceCategory android:title="@string/preferences__appearance">
      <ListPreference android:key="pref_theme"
                      android:title="@string/preferences__theme"
                      android:entries="@array/pref_theme_entries"
                      android:entryValues="@array/pref_theme_values"
                      android:defaultValue="light">
      </ListPreference>

      <ListPreference android:key="pref_language"
                      android:title="@string/preferences__language"
                      android:entries="@array/language_entries"
                      android:entryValues="@array/language_values"
                      android:defaultValue="zz"/>
  </PreferenceCategory>

  <PreferenceCategory android:title="@string/preferences__storage">
    <CheckBoxPreference android:defaultValue="false"
                        android:key="pref_trim_threads"
                        android:summary="@string/preferences__automatically_delete_older_messages_once_a_conversation_thread_exceeds_a_specified_length"
                        android:title="@string/preferences__delete_old_messages" />

    <EditTextPreference android:defaultValue="500"
                        android:key="pref_trim_length"
                        android:title="@string/preferences__conversation_length_limit"
                        android:inputType="number"
                        android:dependency="pref_trim_threads" />
    
    <Preference android:key="pref_trim_now"
                android:title="@string/preferences__trim_all_threads_now"
                android:summary="@string/preferences__scan_through_all_conversation_threads_and_enforce_conversation_length_limits"
                android:dependency="pref_trim_threads" />
                    
   </PreferenceCategory>  

  <PreferenceCategory android:title="@string/preferences__display_settings" android:key="pref_display_category">

    <Preference         android:key="pref_choose_identity"
                          android:title="@string/preferences__choose_identity"
                           android:summary="@string/preferences__choose_your_contact_entry_from_the_contacts_list"/>

  </PreferenceCategory>

   <PreferenceCategory android:title="@string/preferences__passphrase">

      <Preference android:key="pref_change_passphrase"
                  android:title="@string/preferences__change_passphrase"
                   android:summary="@string/preferences__change_my_passphrase"/>

    <CheckBoxPreference android:defaultValue="false"
                        android:key="pref_timeout_passphrase"
                        android:summary="@string/preferences__forget_passphrase_from_memory_after_some_interval"
                        android:title="@string/preferences__timeout_passphrase" />


    <org.thoughtcrime.securesms.preferences.PassphraseTimeoutPreference
                        android:key="pref_timeout_interval"
                        android:defaultValue="300"
                        android:title="@string/preferences__pref_timeout_interval_title"
                        android:summary="@string/preferences__the_amount_of_time_to_wait_before_forgetting_passphrase"
                        android:dependency="pref_timeout_passphrase"
                        android:dialogTitle="@string/preferences__pref_timeout_interval_dialogtitle" />


    </PreferenceCategory>

    <PreferenceCategory android:title="@string/preferences__advanced">
       <CheckBoxPreference android:defaultValue="true"
                           android:key="pref_auto_complete_key_exchange"
                           android:title="@string/preferences__complete_key_exchanges"
                           android:summary="@string/preferences__automatically_complete_key_exchanges_for_new_sessions_or_for_existing_sessions_with_the_same_identity_key" />

        <PreferenceScreen android:title="@string/preferences__identity_key_settings">
          <Preference android:key="pref_view_identity"
                        android:title="@string/preferences__view_my_identity_key"
                        android:summary="@string/preferences__view_my_identity_key"/>

          <Preference android:key="pref_manage_identity"
                        android:title="@string/preferences__manage_identity_keys"
                        android:summary="@string/preferences__manage_configured_identity_keys"/>
        </PreferenceScreen>

        <PreferenceScreen android:title="@string/preferences__advanced_mms_access_point_names">
            <CheckBoxPreference android:key="pref_use_local_apns"
                                android:defaultValue="false"
                                android:title="@string/preferences__enable_fallback_mmsc"
                                android:summary="@string/preferences__use_mmsc_information_configured_here_when_system_apn_information_is_unavailable"/>

            <EditTextPreference android:key="pref_apn_mmsc_host"
                                android:title="@string/preferences__mmsc_url_required"
                                android:dependency="pref_use_local_apns" />

            <EditTextPreference android:key="pref_apn_mms_proxy"
                                android:title="@string/preferences__mms_proxy_host_optional"
                                android:dependency="pref_use_local_apns" />

            <EditTextPreference android:key="pref_apn_mms_proxy_port"
                                android:title="@string/preferences__mms_proxy_port_optional"
                                android:dependency="pref_use_local_apns"
                                android:inputType="number" />
        </PreferenceScreen>
    </PreferenceCategory>
</PreferenceScreen>