diff --git a/document-viewer/src/main/res/values-sc/strings_actions.xml b/document-viewer/src/main/res/values-sc/strings_actions.xml
new file mode 100644
index 000000000..fd4dd2324
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_actions.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="actions_verticalConfigScrollUp">Iscurre cara a palas</string>>
+    <string name="actions_verticalConfigScrollDown">Iscurre cara a in antis</string>>
+    <string name="actions_quickZoom">Ismanniamentu lestru</string>>
+    <string name="actions_zoomToColumn">Adata a sa colonna</string>>
+    <string name="actions_leftTopCorner">Iscurre cara a s\'àngulu in artu a manca</string>>
+    <string name="actions_rightTopCorner">Iscurre cara a s\'àngulu in artu a destra</string>>
+    <string name="actions_leftBottomCorner">Iscurre cara a s\'àngulu in bassu a manca</string>>
+    <string name="actions_rightBottomCorner">Iscurre cara a s\'àngulu in bassu a destra</string>>
+
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_bookmenu.xml b/document-viewer/src/main/res/values-sc/strings_bookmenu.xml
new file mode 100644
index 000000000..a5e8ab90f
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_bookmenu.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="bookmenu_open">Aberi su libru in...</string>
+    <string name="bookmenu_settings">Ammustra sas impostatziones de su libru</string>
+    <string name="bookmenu_openbookshelf">Ammustra su parastàgiu de su libru</string>
+    <string name="bookmenu_openbookfolder">Ammustra sa cartella de su libru</string>
+    <string name="bookmenu_recentgroup">Isbòida sos datos reghentes...</string>
+    <string name="bookmenu_removefromrecent">Esclue dae sos reghentes</string>
+    <string name="bookmenu_cleardata">Isbòida sos datos in sa memòria temporànea</string>
+    <string name="bookmenu_deletesettings">Iscantzella sas impostatziones de su libru</string>
+    <string name="bookmenu_filegroup">Operatziones in su documentu...</string>
+    <string name="bookmenu_copy">Còpia su libru in...</string>
+    <string name="bookmenu_rename">Càmbia de nùmene su libru...</string>
+    <string name="bookmenu_move">Tràmuda su libru a...</string>
+    <string name="bookmenu_delete">Iscantzella su libru</string>
+
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_common.xml b/document-viewer/src/main/res/values-sc/strings_common.xml
new file mode 100644
index 000000000..649e11d47
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_common.xml
@@ -0,0 +1,159 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="app_name">Leghidore de documentos</string>
+
+    <string name="confirmclose_title">Serrende su visualizadore…</string>
+    <string name="confirmclose_msg">Cheres serrare a beru custu documentu?</string>
+    <string name="confirmsave_msg">Cheres sarvare custu documentu?</string>
+    <string name="confirmsave_yes_btn">Sarva e serra</string>
+    <string name="confirmsave_no_btn">Serra</string>
+
+    <string name="error_dlg_title">Errore de s\'aplicatzione</string>
+    <string name="msg_bad_intent">"Faddina de intentu o de ischema:\n%s"</string>
+    <string name="msg_no_intent_data">"Perunu datu de intentu:\n%s"</string>
+    <string name="msg_unknown_intent_data_type">"Casta de datos de intentu disconnota:\n%s"</string>
+
+    <string name="msg_loading_book">"Carrighende su libru: %1$s…"</string>
+
+    <string name="msg_wrong_password">"Crae isballiada…"</string>
+    <string name="msg_password_required">"Inserta sa crae de intrada…"</string>
+
+    <string name="msg_unexpected_error">"B\'at àpidu un\'errore no isetadu:\n%s"</string>
+
+    <string name="msg_search_text_on_page">"Chirchende in sa pàgina %1$d…"</string>
+    <string name="msg_no_text_found">"Testu no agatadu"</string>
+
+    <string name="dialog_title_goto_page">Bae a...</string>
+    <string name="button_goto_page">Bae</string>
+    <string name="text_page">Pàgina</string>
+    <string name="error_close">Serra</string>
+
+    <string name="dialog_backup_name_hint">Inserta unu nùmene nou pro sa còpia de seguresa…</string>
+    <string name="dialog_backup_backup">Còpia de seguresa…</string>
+    <string name="dialog_backup_restore">Riprìstina…</string>
+    <string name="dialog_backup_remove">Boga…</string>
+
+    <string name="add_bookmark_name">Inserta una descritzione pro su sinnalibru</string>
+    <string name="bookmark_start">Incumintzu</string>
+    <string name="bookmark_current">Positzione atuale</string>
+    <string name="bookmark_end">Acabu</string>
+    <string name="bookmark_invalid_page">Nùmeru de pàgina in foras de s\'intervallu. Intervallu vàlidu: %1$d-%2$d</string>
+
+    <string name="bookmarks_title">Sinnalibros</string>
+    <string name="clear_bookmarks_title">Boga sos sinnalibros</string>
+    <string name="clear_bookmarks_text">Custa atzione at a bogare totu sos sinnalibros dae su libru ischertadu. Cheres sighire?</string>
+
+    <string name="del_bookmark_title">Boga su sinnalibru</string>
+    <string name="del_bookmark_text">Cheres bogare custu sinnalibru?</string>
+
+    <string name="clear_recent_title">Boga sos elementos reghentes</string>
+    <string name="clear_recent_text">Custa atzione at a bogare totu sos libros dae sa lista de sos reghentes. Cheres sighire?</string>
+
+    <string name="bookcase_shelves">Parastàgios</string>
+    <string name="recent_title">Libros reghentes</string>
+
+    <string name="list_clear_recent_mode_clear_recent_list">Isbòida sa lista de sos libros reghentes</string>
+    <string name="list_clear_recent_mode_delete_bookmarks">Iscantzella totu sos sinnalibros</string>
+    <string name="list_clear_recent_mode_delete_book_settings">Isbòida totu sas impostatziones de sos libros</string>
+    <string name="list_clear_recent_mode_delete_cached_data">Iscantzella dae su discu totu sos datos in sa memòria temporànea</string>
+
+    <string name="about_prefix">sc</string>
+    <string name="about_title">In subra de EbookDroid</string>
+    <string name="about_commmon_title">Informatziones de s\'aplicatzione</string>
+    <string name="about_fonts_title">Caràteres</string>
+    <string name="about_license_title">Litzèntzia</string>
+    <string name="about_3dparty_title">Programmas de tertzas partes</string>
+    <string name="about_changelog_title">Cronologia de sas modìficas</string>
+    <string name="about_thanks_title">Ringratziamentos</string>
+    <string name="about_donations">Donatziones</string>
+
+    <string name="opds">Esploradore OPDS</string>
+    <string name="menu_opds">Navigadore OPDS</string>
+
+    <string name="opds_connecting">"Connetende…"</string>
+    <string name="opds_loading_catalog">"Carrighende su catàlogu…"</string>
+    <string name="opds_loading_book">"Carrighende su libru: %1$s/%2$s…"</string>
+    <string name="opds_unpacking_book">"Ispachetende su libru: %1$s/%2$s…"</string>
+
+    <string name="opds_download_complete">"Iscarrigamentu de su libru acabadu: %1$s"</string>
+    <string name="opds_download_error">"Iscarrigamentu de su libru fallidu: %1$s"</string>
+
+    <string name="opds_add_new_feed">Annanghe una fonte (feed) noa</string>
+    <string name="opds_addfeed_title">"Annanghende su catàlogu nou"</string>
+    <string name="opds_addfeed_msg">"Inserta un\'àlias e un\'URL pro su catàlogu"</string>
+    <string name="opds_addfeed_ok">"Annanghe"</string>
+    <string name="opds_addfeed_alias" translatable="true">"Àlias:"</string>
+    <string name="opds_addfeed_url" translatable="true">"URL:"</string>
+    <string name="opds_addfeed_auth">"Autorizatzione pedida"</string>
+    <string name="opds_editfeed_title">"Modìfica su catàlogu"</string>
+    <string name="opds_editfeed_msg">"Inserta s\'àlias e s\'URL pro custu catàlogu"</string>
+    <string name="opds_editfeed_ok">"Sarba"</string>
+    <string name="opds_deletefeed_title">"Iscantzella su catàlogu"</string>
+    <string name="opds_deletefeed_msg">"Cheres a beru iscantzellare custu catàlogu?"</string>
+    <string name="opds_deletefeed_ok">"Iscantzella"</string>
+    <string name="opds_authfeed_title">"Autorizatzione"</string>
+    <string name="opds_authfeed_msg">"Inserta su nùmene de impreadore e sa crae de intrada pro custu catàlogu"</string>
+    <string name="opds_authfeed_username">"Nùmene impreadore:"</string>
+    <string name="opds_authfeed_password">"Crae:"</string>
+    <string name="opds_authfeed_ok">"Intra"</string>
+    <string name="opds_error_title">"Errore OPDS"</string>
+    <string name="opds_error_msg" translatable="true">"%s"</string>
+    <string name="opds_retry_download">"Torra a proare"</string>
+
+    <string name="book_copy_start">"Copiende su libru…"</string>
+    <string name="book_copy_progress">"Copiende su libru: %1$s/%2$s…"</string>
+    <string name="book_copy_complete">"Còpia de su libru acabada: %s"</string>
+    <string name="book_copy_error">"Còpia de su libru fallida: %s"</string>
+
+    <string name="book_move_start">"Tramudende su libru…"</string>
+    <string name="book_move_progress">"Tramudende su libru: %1$s/%2$s…"</string>
+    <string name="book_move_complete">"Tramudòngiu de su libru acabadu: %s"</string>
+    <string name="book_move_error">"Tramudòngiu de su libru fallidu: %s"</string>
+
+    <string name="book_rename_title">"Muda su nùmene de su libru"</string>
+    <string name="book_rename_msg">"Inserta su nùmene nou pro su libru:"</string>
+
+    <string name="book_delete_title">"Iscantzella su libru"</string>
+    <string name="book_delete_msg">"Ses seguru de chèrrere iscantzellare custu libru?"</string>
+
+    <string name="outline_title">Ìnditze</string>
+    <string name="outline_missed">Ìnditze no a disponimentu</string>
+
+    <string name="error_page_out_of_rande">Nùmeru de pàgina in foras de s\'intervallu. Intervallu vàlidu: 1-%1$d</string>
+
+    <string name="msg_loading">Carrighende… Iseta, pro praghere</string>
+    <string name="msg_getting_page_size">Analizende sa mannària de sa pàgina %1$d/%2$d</string>
+
+    <string name="tap_zones_single_tap">Tocu sìngulu</string>
+    <string name="tap_zones_double_tap">Tocu dòpiu</string>
+    <string name="tap_zones_long_tap">Tocu longu</string>
+    <string name="tap_zones_two_finger_tap">Tocu a duos pòddighes</string>
+    <string name="tap_zones_reset">Reseta</string>
+    <string name="tap_zones_delete">Iscantzella</string>
+    <string name="tap_zones_clear">Isbòida</string>
+
+    <string name="search_results_title">Resurtados de chirca</string>
+    <string name="search_book_dlg_title">Chirca…</string>
+
+    <string name="folder_books_count">"Libros: %1$d"</string>
+    <string name="copy_book_to_dlg_title">"Còpia su libru in…"</string>
+    <string name="move_book_to_dlg_title">"Tràmuda su libru a…"</string>
+
+    <string name="opds_downloading_type_dlg_title">"Iscàrriga sa casta de libru de iscarrigare"</string>
+    <string name="opds_downloading_dlg_title">"Iscarrighende su libru comente…"</string>
+    <string name="opds_downloading_dlg_raw_type">"Casta Raw"</string>
+
+    <string name="notification_file_add">"Documentu annànghidu a sa biblioteca"</string>
+    <string name="notification_file_delete">"Documentu bogadu dae sa biblioteca"</string>
+
+    <string name="font_reminder_title">Dae cara</string>
+    <string name="font_reminder">Incumintzende cun sa versione 1.5, sos caràteres PDF e F2B non sunt prus incorporados in s\'aplicatzione. In logu issoro benint impreados sos caràteres standard de Android. Si cheres ripristinare sos caràteres betzos imprea sos installadores de pachetes dae su Google Play Market: &lt;ul&gt;&lt;li&gt;&lt;a href="market://details?id=org.ebookdroid.fontpack.legacy"&gt;Legacy fonts&lt;/a&gt;&lt;/li&gt;&lt;/ul&gt;</string>
+
+    <string name="cache_moving_text">Tramudende sos documentos in memòria temporànea…</string>
+    <string name="cache_moving_progress">Tramudende sos documentos in memòria temporànea %1$d/%2$d</string>
+
+    <string name="error_invalid_view_mode">Custa atzione est a disponimentu petzi in sa modalidade de visualizatzione %1$s</string>
+
+    <string name="error_write_external_storage_permission">Su leghidore de documentos tenet bisòngiu de su permissu WRITE_EXTERNAL_STORAGE</string>
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_mainmenu.xml b/document-viewer/src/main/res/values-sc/strings_mainmenu.xml
new file mode 100644
index 000000000..7444280e5
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_mainmenu.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="menu_close">Serra</string>
+    <string name="menu_goto_page">Bae a…</string>
+    <string name="menu_outline">Ìnditze</string>
+    <string name="menu_zoom">Ismanniamentu</string>
+    <string name="menu_nightmode">Die/Note</string>
+    <string name="menu_settings">Totu sas impostatziones</string>
+    <string name="menu_booksettings">Impostatziones de su libru</string>
+    <string name="menu_cleanrecent">Isbòida sa lista de sos reghentes</string>
+    <string name="menu_add_bookmark">Annanghe unu sinnalibru</string>
+    <string name="menu_edit_bookmark">Modìfica su sinnalibru</string>
+    <string name="menu_thumbnail">Imposta comente cobertedda</string>
+    <string name="menu_about">Informatziones</string>
+    <string name="menu_tap_configuration">Configura sos tocos</string>
+    <string name="menu_key_bindings">Cunfigura sas teclas</string>
+    <string name="menu_searchbook">Agata libros</string>
+    <string name="menu_searchtext">Agata testu</string>
+    <string name="menu_show_options_menu">Ammustra su menù de sas optziones</string>
+    <string name="menu_backupsettings">Còpia de seguresa e riprìstinu</string>
+    <string name="menu_crop">Ritàlliu manuale</string>
+    <string name="menu_singlepage">Pàgina sìngula</string>
+    <string name="menu_search">Chirca</string>
+
+    <string name="menu_navigation_menu">Navigatzione…</string>
+    <string name="menu_fastsettings_menu">Vista…</string>
+    <string name="menu_allsettings_menu">Impostatziones…</string>
+
+    <string name="menu_share">Cumpartzi…</string>
+    <string name="menu_openwith">Aberi cun…</string>
+
+    <string name="menu_show_library">Ammustra sa biblioteca</string>
+    <string name="menu_show_recent">Ammustra sos reghentes</string>
+    <string name="menu_storages">Memòrias</string>
+    <string name="menu_storages_filesystem">Sistema de documentos</string>
+    <string name="menu_storages_external">Ischeda SD</string>
+    <string name="menu_show_files">Ammustra sos documentos</string>
+
+    <string name="menu_force_portrait">Fortza verticale</string>
+    <string name="menu_force_landscape">Fortza orizontale</string>
+    <string name="menu_reverse_orientation">Orientamentu furriadu</string>
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_manual_cropping.xml b/document-viewer/src/main/res/values-sc/strings_manual_cropping.xml
new file mode 100644
index 000000000..d2e67b795
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_manual_cropping.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="manual_cropping_title">Optziones de ritàlliu personalizadas (bisòngiat de pàginas sìngulas):</string>
+    <string name="manual_cropping_current">Ritàllia sa pàgina atuale ebbia</string>
+    <string name="manual_cropping_even">Ritàllia totu sas immàgines paris (dìspari)</string>
+    <string name="manual_cropping_even_symm">Ritàllia sas immàgines paris e cussas dìspari, simmetricamente</string>
+	<string name="manual_cropping_all">Ritàllia totu sas immàgines</string>
+    <string name="manual_cropping_remove_current">Boga sas impostatziones de ritàlliu dae sa/sas pàgina/as atuale/es</string>
+    <string name="manual_cropping_remove_all">Boga totu sas impostatziones de ritàlliu</string>
+    <string name="manual_cropping_back">Torra a s\'ischertadura de s\'àrea</string>
+
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_opdsmenu.xml b/document-viewer/src/main/res/values-sc/strings_opdsmenu.xml
new file mode 100644
index 000000000..5e2dac580
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_opdsmenu.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="opdsupfolder">A susu</string>
+    <string name="opdsrefreshfolder">Annoa</string>
+    <string name="opdsprevfolder">Setzione anteposta</string>
+    <string name="opdsnextfolder">Setzione imbeniente</string>
+    <string name="opds_feed_add">Annanghe</string>
+    <string name="opdsclose">Serra</string>
+
+    <string name="opds_book_download">Iscàrriga</string>
+
+    <string name="opdsgoto">Aberi</string>
+
+    <string name="opds_feed_edit">Modìfica</string>
+    <string name="opds_feed_delete">Iscantzella</string>
+    
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_preferences_backup.xml b/document-viewer/src/main/res/values-sc/strings_preferences_backup.xml
new file mode 100644
index 000000000..03da4496c
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_preferences_backup.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="pref_backup_category">Impostatzione de sa còpia de seguresa e de riprìstinu</string>
+    <string name="pref_backup_category_summary">Preferèntzias de sa còpia de seguresa e de riprìstinu</string>
+
+    <string name="pref_backuponexit_title">Faghe una còpia de seguresa essende dae s\'aplicatzione</string>
+    <string name="pref_backuponexit_summary">Faghe automaticamente una còpia de seguresa de sas preferèntzias essende dae s\'aplicatzione</string>
+
+    <string name="pref_backuponbookclose_title">Còpia de seguresa automàtica a sa serradura de su documentu</string>
+    <string name="pref_backuponbookclose_summary">Faghe una còpia de seguresa de sas preferèntzias cando serras unu documentu</string>
+
+    <string name="pref_maxnumberofautobackups_title">Nùmeru de còpias automàticas</string>
+    <string name="pref_maxnumberofautobackups_summary">Nùmeru màssimu de còpias de seguresa automàticas de mantènnere</string>
+
+    <string name="pref_bookbackuptype_title">Còpia de seguresa de sas impostatziones de su libru</string>
+    <string name="pref_bookbackuptype_summary">Còpia de seguresa de sas impostatziones de su libru</string>
+
+    <string name="list_bookbackuptype_none">Perunu</string>
+    <string name="list_bookbackuptype_recent">Reghentes</string>
+    <string name="list_bookbackuptype_all">Totus</string>
+
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_preferences_browser.xml b/document-viewer/src/main/res/values-sc/strings_preferences_browser.xml
new file mode 100644
index 000000000..47b635b2a
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_preferences_browser.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="pref_browser_category">Navigadore de documentos</string>
+    <string name="pref_browser_category_summary">Impostatziones de sa navigatzione e de sas castas de documentos</string>
+
+    <string name="pref_usebookcase_title">Imprea sas coberteddas</string>
+    <string name="pref_usebookcase_summary">Imprea sa vista cun sa coberteddas in logu de sas listas</string>
+
+    <string name="pref_brautoscandir_title">Cartellas de chirca automàtica</string>
+    <string name="pref_brautoscandir_summary">Cartellas pro sa chirca automàtica de sos documentos</string>
+
+    <string name="pref_autoscanremovable_title">Iscansi automaticamente sos rimovìbiles</string>
+    <string name="pref_autoscanremovable_summary">Iscansi automaticamente sos documentos multimediales rimovìbiles insertados</string>
+
+    <string name="pref_showremovable_title">Ammustra sos rimovìbiles</string>
+    <string name="pref_showremovable_summary">Ammustra sos mèdios rimovìbiles in su menù de archiviatzione</string>
+
+    <string name="pref_showscanning_title">Ammustra sas cartellas de iscansidura</string>
+    <string name="pref_showscanning_summary">Ammustra sas cartellas pro s\'iscansidura automàtica in su menù de archiviatzione</string>
+
+    <string name="pref_shownotifications_title">Ammustra sas notìficas</string>
+    <string name="pref_shownotifications_summary">Ammustra sas notìficas in subra de documentos annànghidos/iscantzellados</string>
+
+    <string name="pref_cachelocation_title">Positzione de sa memòria temporànea</string>
+    <string name="pref_cachelocation_summary">Localización del archivo de caché</string>
+    <string name="list_cachelocation_system">Memòria temporànea de s\'aplicatzione in cussa de sistema</string>
+    <string name="list_cachelocation_custom">Memòria temporànea de s\'apl. in s\'ischeda SD</string>
+
+    <string name="pref_brbrfiletypesscreen_title">Castas de documentu</string>
+    <string name="pref_brbrfiletypesscreen_summary">Castas de documentu de ammustrare in sa biblioteca</string>
+
+    <string name="pref_brfiletypedjvu_title">.djvu</string>
+    <string name="pref_brfiletypedjvu_summary">Ammustra sos documentos DjVu</string>
+
+    <string name="pref_brfiletypedjv_title">.djv</string>
+    <string name="pref_brfiletypedjv_summary">Ammustra sos documentos DjV</string>
+
+    <string name="pref_brfiletypepdf_title">.pdf</string>
+    <string name="pref_brfiletypepdf_summary">Ammustra sos documentos PDF</string>
+
+    <string name="pref_brfiletypexps_title">.xps</string>
+    <string name="pref_brfiletypexps_summary">Ammustra sos documentos XPS</string>
+
+    <string name="pref_brfiletypeoxps_title">.oxps</string>
+    <string name="pref_brfiletypeoxps_summary">Ammustra sos documentos OXPS</string>
+
+    <string name="pref_brfiletypeepub_title">.epub</string>
+    <string name="pref_brfiletypeepub_summary">Ammustra sos documentos EPUB</string>
+
+    <string name="pref_brfiletypecbz_title">.cbz</string>
+    <string name="pref_brfiletypecbz_summary">Ammustra sos documentos CBZ</string>
+
+    <string name="pref_brfiletypecbr_title">.cbr</string>
+    <string name="pref_brfiletypecbr_summary">Ammustra sos documentos CBR</string>
+
+    <string name="pref_brfiletypefb2_title">.fb2</string>
+    <string name="pref_brfiletypefb2_summary">Ammustra sos documentos FB2 </string>
+
+    <string name="pref_brfiletypefb2.zip_title">.fb2.zip</string>
+    <string name="pref_brfiletypefb2.zip_summary">Ammustra sos documentos FB2.ZIP</string>
+
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_preferences_navigation.xml b/document-viewer/src/main/res/values-sc/strings_preferences_navigation.xml
new file mode 100644
index 000000000..864df69c6
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_preferences_navigation.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="pref_navigation_category">Navigatzione e cronologia</string>
+    <string name="pref_navigation_category_summary">Impostatziones de navigatzione e cronologia</string>
+
+    <string name="pref_showbookmarksmenu_summary">Ammustra sos sinnalibros in su menù</string>
+    <string name="pref_showbookmarksmenu_title">Ammustra sos sinnalibros in su menù de navigatzione</string>
+
+    <string name="pref_link_highlight_summary">"Ischerta su colore pro evidentziare sos ligàmenes"</string>
+    <string name="pref_link_highlight_title">"Evidentziatzione de sos ligàmenes"</string>
+
+    <string name="pref_search_highlight_summary">"Colore ischertadu pro s\'evidentziatzione de sos resurtados de chirca"</string>
+    <string name="pref_search_highlight_title">"Evidentziatzione de sa chirca"</string>
+
+    <string name="pref_current_search_highlight_summary">"Imposta su colore pro evidentziare sos resurtados de chirca atuales"</string>
+    <string name="pref_current_search_highlight_title">"Evidentziatzione de sa chirca atuale"</string>
+
+    <string name="pref_storeGotoHistory_title">Sarva sos brincos de pàgina in sa cronologia de navigatzione</string>
+    <string name="pref_storeGotoHistory_summary"></string>
+
+    <string name="pref_storeLinkGotoHistory_title">Sarva sos brincos a sos ligàmenes in sa cronologia de navigatzione</string>
+    <string name="pref_storeLinkGotoHistory_summary"></string>
+
+    <string name="pref_storeOutlineGotoHistory_title">Sarva sos brincos a sos ligàmenes de s\'ìnditze in sa cronologia de navigatzione</string>
+    <string name="pref_storeOutlineGotoHistory_summary"></string>
+
+    <string name="pref_storeSearchGotoHistory_title">Sarva sos brincos a sos resurtados de chirca in sa cronologia de navigatzione</string>
+    <string name="pref_storeSearchGotoHistory_summary"></string>
+
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_preferences_opds.xml b/document-viewer/src/main/res/values-sc/strings_preferences_opds.xml
new file mode 100644
index 000000000..1005021ab
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_preferences_opds.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="pref_opds_category">Impostatziones OPDS</string>
+    <string name="pref_opds_category_summary">Impostatziones de su navigadore OPDS (Open Publication Distribution System)</string>
+
+    <string name="pref_opds_downloaddir_title">Cartella de iscarrigamentu</string>
+    <string name="pref_opds_downloaddir_summary">Iscàrriga in</string>
+
+    <string name="pref_opds_filterbooktypes_title">Filtra sas castas de libros</string>
+    <string name="pref_opds_filterbooktypes_summary">Filtra sas castas de libros non suportadas</string>
+
+    <string name="pref_opds_downloadarchives_title">Iscàrriga sos libros cumprimidos</string>
+    <string name="pref_opds_downloadarchives_summary">Iscàrriga sos libros cumprimidos</string>
+
+    <string name="pref_opds_unpackarchives_title">Ispacheta sos libros cumprimidos</string>
+    <string name="pref_opds_unpackarchives_summary">Ispacheta sos libros cumprimidos a pustis de s\'iscarrigamentu</string>
+
+    <string name="pref_opds_deletearchives_title">Iscantzella sos libros cumprimidos</string>
+    <string name="pref_opds_deletearchives_summary">Iscantzella sos libros cumprimidos a pustis de s\'ispachetamentu</string>
+
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_preferences_performance.xml b/document-viewer/src/main/res/values-sc/strings_preferences_performance.xml
new file mode 100644
index 000000000..a2e9094dd
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_preferences_performance.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="pref_performance_category">Impostatziones de rendimentu</string>
+    <string name="pref_performance_category_summary">Impostatziones de rendimentu</string>
+
+    <string name="pref_pagesinmemory_title">Pàginas in memòria</string>
+    <string name="pref_pagesinmemory_summary">Nùmeru de pàginas de archiviare in memòria</string>
+
+    <string name="pref_lowlevel_category">Preferèntzias de livellu bassu de s\'aplicatzione</string>
+    <string name="pref_lowlevel_category_summary">Preferèntzias de livellu bassu de s\'aplicatzione (depes torrare a abèrrere su documentu pro las aplicare)</string>
+
+    <string name="pref_decoding_threads_title">"Nùmeru de filos (threads) de decodìfica"</string>
+    <string name="pref_decoding_threads_summary">"Nùmeru de filos (threads) de decodìfica"</string>
+
+    <string name="pref_decodethread_priority_title">Prioridade de sos filos de decodìfica</string>
+    <string name="pref_decodethread_priority_summary">Dillinda sa prioridade de sos filos (threads) de decodìfica</string>
+
+    <string name="pref_drawthread_priority_title">Prioridade filos de disinnu superfìtzies</string>
+    <string name="pref_drawthread_priority_summary">Dillindat sa prioridade de sos filos (threads) de disinnu GL pro sas superfìtzies</string>
+
+    <string name="list_thread_priority_lowest">Bassa meda</string>
+    <string name="list_thread_priority_lower">Bassa</string>
+    <string name="list_thread_priority_normal">Normale</string>
+    <string name="list_thread_priority_higher">Arta</string>
+    <string name="list_thread_priority_highest">Arta meda</string>
+
+    <string name="pref_decodingonscroll_title">Decodìfica durante s\'iscurridura</string>
+    <string name="pref_decodingonscroll_summary">Permite sa decodìfica de sas pàginas durante s\'iscurridura o su làntziu</string>
+
+    <string name="pref_bitmapsize_title">Mannària de sa mapa de bit de sas tessiduras</string>
+    <string name="pref_bitmapsize_summary">Dillindat sa mannària de sos cumponentes de sas tessiduras</string>
+
+    <string name="list_bitmapsize_64">64 x 64</string>
+    <string name="list_bitmapsize_128">128 x 128</string>
+    <string name="list_bitmapsize_256">256 x 256</string>
+    <string name="list_bitmapsize_512">512 x 512</string>
+    <string name="list_bitmapsize_1024">1024 x 1024</string>
+
+    <string name="pref_heappreallocate_title">Preallocatzione de s\'archiviatzione dinàmica (heap)</string>
+    <string name="pref_heappreallocate_summary">Mannària in megabytes de sa preallocatzione de s\'archiviatzione dinàmica (heap) a s\'allughìngiu de s\'aplicatzione</string>
+
+    <string name="pref_pdfstoragesize_title">Mannària de sa memòria interna MuPDF</string>
+    <string name="pref_pdfstoragesize_summary">Mannària in megabytes de sa memòria interna MuPDF</string>
+
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_preferences_render.xml b/document-viewer/src/main/res/values-sc/strings_preferences_render.xml
new file mode 100644
index 000000000..9441e09b1
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_preferences_render.xml
@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="pref_rotation_title">Modalidade de rotatzione</string>
+    <string name="pref_rotation_summary">Comente mudare sa rotatzione</string>
+
+    <string name="list_rotation_unspecified">Non dillindadu</string>
+    <string name="list_rotation_land">Fortza orizontale</string>
+    <string name="list_rotation_port">Fortza verticale</string>
+    <string name="list_rotation_user">Impreadore</string>
+    <string name="list_rotation_behind">Piga dae s\'isfundu</string>
+    <string name="list_rotation_auto">Automàtica</string>
+    <string name="list_rotation_nosensor">Chene sensore (manuale)</string>
+    <string name="list_rotation_sensor_landscape">Fortza orizontale ma cun furriadura de su sensore</string>
+    <string name="list_rotation_sensor_portrait">Fortza verticale ma cun furriadura de su sensore</string>
+    <string name="list_rotation_reverse_landscape">Fortza orizontale furriadu</string>
+    <string name="list_rotation_reverse_portrait">Fortza verticale furriadu</string>
+    <string name="list_rotation_full_sensor">Gestida dae su sensore</string>
+
+    <string name="pref_render_category">Rapresentatzione</string>
+    <string name="pref_render_category_summary">Impostatziones de rapresentatzione</string>
+
+    <string name="pref_book_category">Impostatziones de su libru</string>
+    <string name="pref_book_category_summary">Impostatziones de su libru atuale</string>
+
+    <string name="pref_firstpageoffset_title">Iscostiamentu de sa prima pàgina</string>
+    <string name="pref_firstpageoffset_summary">Ìnditze de sa prima pàgina ammustrada a s\'impreadore</string>
+
+    <string name="pref_splitpages_title">Partzi sas pàginas</string>
+    <string name="pref_splitpages_summary">Partzi sas pàginas orizontales in duas pàginas verticales</string>
+
+    <string name="pref_splitpages_rtl_title">Partzi sas pàginas dae destra a manca</string>
+    <string name="pref_splitpages_rtl_summary">Partzi sas pàginas orizontales in duas pàginas verticales dae destra a manca</string>
+
+    <string name="pref_croppages_title">Ritàllia sas pàginas (auto)</string>
+    <string name="pref_croppages_summary">Sega automaticamente sos oros bòidos in manera de massimizare s\'ismanniamentu de su cuntenutu</string>
+
+    <string name="pref_viewmode_title">Modalidade de visualizatzione de su documentu</string>
+    <string name="pref_viewmode_summary">Pòmpia su documentu comente pàginas sìngulas o comente iscurrimentu sighidu</string>
+
+    <string name="list_viewmode_vertical_scroll">Iscurridura verticale</string>
+    <string name="list_viewmode_horizontal_scroll">Iscurridura orizontale</string>
+    <string name="list_viewmode_single_page">Pàgina sìngula</string>
+
+    <string name="pref_singlepage_category">Impostatziones a pagina sìngula</string>
+    <string name="pref_singlepage_category_summary">Modalidade de visualizatzione a pàgina sìngula ebbia</string>
+
+    <string name="pref_align_title">Adatamentu de sas pàginas</string>
+    <string name="pref_align_summary">Comente adatare sas pàginas a s\'ischermu</string>
+
+    <string name="list_align_by_width">Adata a sa largària</string>
+    <string name="list_align_by_height">Adata a s\'artària</string>
+    <string name="list_align_auto">Automàticu</string>
+
+    <string name="pref_animationtype_title">Transitzione de sas pàginas</string>
+    <string name="pref_animationtype_summary">Ischerta s\'animatzione pro sa transitzione de sas pàginas in sa modalidade a pàgina sìngula</string>
+
+    <string name="list_animation_none">Peruna</string>
+    <string name="list_animation_curler_simple">Transitzione simpre</string>
+    <string name="list_animation_curler_dynamic">Transitzione dinàmica</string>
+    <string name="list_animation_curler_natural">Transitzione naturale</string>
+    <string name="list_animation_slider">Iscurre</string>
+    <string name="list_animation_fader">Solobra</string>
+    <string name="list_animation_squeezer">Abbàtiga</string>
+    <string name="list_animation_slider2">Iscurre a subra</string>
+
+    <string name="pref_postprocessing_category">Efetos de post-protzessamentu</string>
+    <string name="pref_postprocessing_summary">Efetos additzionales pro megiorare sa visualizatzione de sas pàginas</string>
+
+    <string name="pref_nightmode_title">Modalidade noturna</string>
+    <string name="pref_nightmode_summary">Testu biancu in s\'isfundu nieddu (immàgine negativa)</string>
+
+    <string name="pref_posimages_in_nightmode_title">Immàgines positivas in sa modalidade noturna</string>
+    <string name="pref_posimages_in_nightmode_summary">Ammustra una versione a iscalas de murru de sas immàgines in sa modalidade noturna (non fùrries sos colores de sas immàgines)</string>
+
+    <string name="pref_tint_title">Intinghe</string>
+    <string name="pref_tint_summary">Intinghe su colore de sa pàgina impreende su colore dillindadu inoghe in suta</string>
+
+    <string name="pref_tint_color_title">Colore de tinta</string>
+    <string name="pref_tint_color_summary">Colore de impreare pro intìnghere sas pàginas</string>
+
+    <string name="pref_contrast_title">Cuntrastu</string>
+    <string name="pref_contrast_summary">Livellu de curretzione de su cuntrastu (0 – 1000, predefinidu= 100)</string>
+
+    <string name="pref_gamma_title">Gamma</string>
+    <string name="pref_gamma_summary">Livellu de curretzione gamma (0 – 200, predefinidu = 100)</string>
+
+    <string name="pref_exposure_title">Espositzione</string>
+    <string name="pref_exposure_summary">Curretzione de su livellu de espositzione (0 – 200, predefinidu = 100)</string>
+
+    <string name="pref_autolevels_title">Livellos automàticos</string>
+    <string name="pref_autolevels_summary">Imprea sa curretzione automàtica de sos livellos</string>
+
+    <string name="pref_rtl_title">Dae destra a manca</string>
+    <string name="pref_rtl_summary">Òrdine de sas pàginas pro s\'iscurrimentu orizontale e sas modalidades a pàgina sìngula</string>
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_preferences_scroll.xml b/document-viewer/src/main/res/values-sc/strings_preferences_scroll.xml
new file mode 100644
index 000000000..488d6b3ac
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_preferences_scroll.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="pref_scroll_category">Tocos, trisinadas e teclas</string>
+    <string name="pref_scroll_category_summary">Issèbera comente su dispositivu diat dèpere reagire a sos tocos, sas trisinadas e a s\'incarcada de sas teclas</string>
+
+    <string name="pref_tapsenabled_title">Abìlita sos tocos</string>
+    <string name="pref_tapsenabled_summary">Imprea sas cunfiguratziones de tocu pro definire sas regiones e sas atziones de tocu</string>
+
+    <string name="pref_scroll_title">Artària pro s\'iscurrimentu</string>
+    <string name="pref_scroll_summary">Imposta s\'artària pro s\'iscurrimentu pro sas pàginas chi no istant intreas in s\'ischermu (predefinida: 50%%)</string>
+
+    <string name="pref_touchdelay_title">Ritardu de protzessamentu de su tocu</string>
+    <string name="pref_touchdelay_summary">Ritardu de protzessamentu de su tocu (in millisegundos)</string>
+
+    <string name="pref_animate_scrolling_title">Ànima s\'iscurrimentu</string>
+    <string name="pref_animate_scrolling_summary">Ànima s\'operatzione de iscurrimentu in sas modalidades chi lu permitint</string>
+
+    <string name="pref_volumekeyscrolling_title">Iscurrimentu cun sos butones de su volume</string>
+    <string name="pref_volumekeyscrolling_summary">Imprea sos butones de su volume pro iscùrrere in logu de regolare su volume</string>
+
+    <string name="pref_tapfullscreen_title">Su tocu ativat o bogat s\'ischermu intreu</string>
+    <string name="pref_tapfullscreen_summary">Cola a s\'ischermu intreu tochende in cale si siat logu in foras de una zona de tocu o de unu ligàmene</string>
+
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_preferences_typespec.xml b/document-viewer/src/main/res/values-sc/strings_preferences_typespec.xml
new file mode 100644
index 000000000..7ee157c2b
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_preferences_typespec.xml
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="pref_brfiletypespecific_title">Impostatziones ispetzìficas</string>
+    <string name="pref_brfiletypespecific_summary">Impostatziones ispetzìficas pro cada casta de documentu</string>
+
+    <string name="pref_brfiletypespecificdjvu_title">DJVU</string>
+    <string name="pref_brfiletypespecificdjvu_summary">Impostatziones ispetzìficas pro su formadu DJVU</string>
+
+    <string name="pref_djvu_rendering_mode_title">Modalidade de rapresentatzione</string>
+    <string name="pref_djvu_rendering_mode_summary">Modalidade de rapresentatzione de sa pàgina</string>
+
+    <string name="list_djvu_rendering_mode_0">Colore</string>
+    <string name="list_djvu_rendering_mode_1">Nieddu</string>
+    <string name="list_djvu_rendering_mode_2">Colore ebbia</string>
+    <string name="list_djvu_rendering_mode_3">Caratza ebbia</string>
+    <string name="list_djvu_rendering_mode_4">Isfundu ebbia</string>
+    <string name="list_djvu_rendering_mode_5">Istratu printzipale ebbia</string>
+
+    <string name="pref_brfiletypespecificpdf_title">PDF</string>
+    <string name="pref_brfiletypespecificpdf_summary">Impostatziones ispetzìficas pro su formadu PDF</string>
+
+    <string name="pref_customdpi_title">Imprea PPP (DPI) personalizados</string>
+    <string name="pref_customdpi_summary">Dillinda valores personalizados de PPP (puntos pro pòddighe - DPI) inoghe in suta</string>
+
+    <string name="pref_xdpi_title">PPP pro X</string>
+    <string name="pref_xdpi_summary">PPP (DPI) orizontales (diretzione X)</string>
+
+    <string name="pref_ydpi_title">PPP pro Y</string>
+    <string name="pref_ydpi_summary">PPP (DPI) verticales (diretzione Y)</string>
+
+    <string name="pref_monofontpack_title">Famìlia de caràteres Monospace</string>
+    <string name="pref_monofontpack_summary">Dillinda su pachete de caràteres de impreare pro sa famìlia de caràteres a ispatziadura fissa (Monospace)</string>
+
+    <string name="pref_sansfontpack_title">Famìlia de caràteres Sans</string>
+    <string name="pref_sansfontpack_summary">Dillinda ite pachete de caràteres impreare pro sa famìlia de caràteres Sans</string>
+
+    <string name="pref_seriffontpack_title">Famìlia de caràteres Serif</string>
+    <string name="pref_seriffontpack_summary">Dillinda ite pachete impreare pro sa famìlia de caràteres Serif</string>
+
+    <string name="pref_symbolfontpack_title">Famìlia de caràteres Symbol</string>
+    <string name="pref_symbolfontpack_summary">Dillinda ite pachete de caràteres impreare pro sa famìlia de caràteres Symbol</string>
+
+    <string name="pref_dingbatfontpack_title">Famìlia de caràteres Dingbat</string>
+    <string name="pref_dingbatfontpack_summary">Dillinda ite pachete de caràteres impreare pro sa famìlia de caràteres Dingbat</string>
+
+    <string name="pref_systemfontpack">Imprea sos caràteres predefinidos de Android</string>
+
+    <string name="pref_slowcmyk_title">CMYK lentu</string>
+    <string name="pref_slowcmyk_summary">Imprea s\'algoritmu lentu ma acuradu dae CMYK a RGB</string>
+
+    <string name="pref_brfiletypespecificfb2_title">FB2</string>
+    <string name="pref_brfiletypespecificfb2_summary">Impostatziones ispetzìficas pro su formadu FB2</string>
+
+    <string name="pref_fb2_xmlparser_title">Intèrprete XML</string>
+    <string name="pref_fb2_xmlparser_summary">Intèrprete XML</string>
+
+    <string name="list_fb2_xmlparser_vtd_ex">Basadu in VTD</string>
+    <string name="list_fb2_xmlparser_duckbill">Tontu e brutu</string>
+
+    <string name="pref_fontsize_title">Mannària de sos caràteres</string>
+    <string name="pref_fontsize_summary">Mannària de base de sos caràteres</string>
+
+    <string name="pref_fb2fontpack_title">Famìlia de caràteres FB2</string>
+    <string name="pref_fb2fontpack_summary">Dillinda su pachete de caràteres de impreare pro sa renderizatzione de sos FB2</string>
+
+    <string name="list_fontsize_tiny">Minoreddu</string>
+    <string name="list_fontsize_small">Minore</string>
+    <string name="list_fontsize_normal">Normale</string>
+    <string name="list_fontsize_large">Mannu</string>
+    <string name="list_fontsize_huge">Enorme</string>
+
+    <string name="pref_fb2hyphen_title">Abìlita sa sillabatzione</string>
+    <string name="pref_fb2hyphen_summary">Implementatzione de sa sillabatzione isperimentale</string>
+
+    <string name="pref_fb2cacheimages_title">Sarba sas immàgines temporaneamente in su discu</string>
+    <string name="pref_fb2cacheimages_summary">Sarba temporaneamente sas immàgines de sos documentos in su discu pro minimare s\'impreu de sa memòria</string>
+</resources>
diff --git a/document-viewer/src/main/res/values-sc/strings_preferences_ui.xml b/document-viewer/src/main/res/values-sc/strings_preferences_ui.xml
new file mode 100644
index 000000000..109285b38
--- /dev/null
+++ b/document-viewer/src/main/res/values-sc/strings_preferences_ui.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <string name="pref_ui_category">Interfache de s\'impreadore</string>
+    <string name="pref_ui_category_summary">Impostatzione de s\'interfache de s\'impreadore</string>
+
+    <string name="pref_lang_title">Limba</string>
+    <string name="pref_lang_summary">Limba de interfache de s\'impreadore (depes torrare a allùghere s\'aplicatzione)</string>
+
+    <string name="list_lang_default">Sistema</string>
+    <string name="list_lang_en">Inglesu (English)</string>
+    <string name="list_lang_de">Tedescu (Deutsch)</string>
+    <string name="list_lang_es">Ispagnolu (Español)</string>
+    <string name="list_lang_fr">Frantzesu (Française)</string>
+    <string name="list_lang_it">Italianu (Italiano)</string>
+    <string name="list_lang_nl">Olandesu (Nederlands)</string>
+    <string name="list_lang_ru">Russu (Русский)</string>
+    <string name="list_lang_uk">Ucrainu (Український)</string>
+    <string name="list_lang_zh">Tzinesu semplificadu (中文简体)</string>
+    <string name="list_lang_iw">Ebràicu (עברית)</string>
+    <string name="list_lang_ko">Coreanu (한국어)</string>
+    <string name="list_lang_eo">Esperanto</string>
+    <string name="list_lang_pl">Polacu (Polski)</string>
+    <string name="list_lang_sc">Sardu</string>
+    
+    <string name="pref_loadrecent_title">Aberi reghente</string>
+    <string name="pref_loadrecent_summary">Cando allughes s\'aplicatzione càrriga s\'ùrtimu libru abertu</string>
+
+    <string name="pref_confirmclose_title">Cunfirma sa serradura</string>
+    <string name="pref_confirmclose_summary">Pedi una cunfirma pro serrare a pustis de àere incarcatu Torra a palas</string>
+
+    <string name="pref_brightness_title">Luminosidade</string>
+    <string name="pref_brightness_summary">Impostatziones generales de sa luminosidade de s\'immàgine (0-100)</string>
+
+    <string name="pref_brightnessnightmodeonly_title">Luminosidade in sa modalidade noturna</string>
+    <string name="pref_brightnessnightmodeonly_summary">Àplica sas impostatziones de sa luminosidade a sa modalidade noturna ebbia</string>
+
+    <string name="pref_keepscreenon_title">Mantene s\'ischermu allutu</string>
+    <string name="pref_keepscreenon_summary">No istudes s\'ischermu cando ses leghende (no ibernes)</string>
+
+    <string name="pref_fullscreen_title">Ischermu intreu</string>
+    <string name="pref_fullscreen_summary">Cua sa barra de istadu</string>
+
+    <string name="pref_title_title">Ammustra su tìtulu</string>
+    <string name="pref_title_summary">Ammustra su tìtulu de su documentu (bisòngiat chi torres a abèrrere su documentu)</string>
+
+    <string name="pref_pageintitle_title">Pàgina in tìtulu</string>
+    <string name="pref_pageintitle_summary">Ammustra su nùmeru de sa pàgina in sa barra de su tìtulu</string>
+
+    <string name="pref_pagenumbertoastposition_title">Positzione de s\'indicadore de su nùmeru de pàgina</string>
+    <string name="pref_pagenumbertoastposition_summary">Positzione de s\'indicadore de su nùmeru de pàgina</string>
+
+    <string name="pref_zoomtoastposition_title">Positzione de s\'indicadore de s\'ismanniamentu</string>
+    <string name="pref_zoomtoastposition_summary">Positzione de s\'indicadore de s\'ismanniamentu</string>
+
+    <string name="list_toastposition_invisible">No ammustres</string>
+    <string name="list_toastposition_lefttop">In artu a manca</string>
+    <string name="list_toastposition_righttop">In artu a destra</string>
+    <string name="list_toastposition_leftbottom">In bassu a manca</string>
+    <string name="list_toastposition_bottom">In bassu</string>
+    <string name="list_toastposition_righbottom">In bassu a destra</string>
+
+    <string name="pref_showanimicon_title">Ammustra s\'icona de animatzione</string>
+    <string name="pref_showanimicon_summary">Ammustra s\'icona de s\'animatzione o de sa trisinadura si sunt abilitadas</string>
+
+</resources>
diff --git a/document-viewer/src/main/res/values/service_preferences_ui.xml b/document-viewer/src/main/res/values/service_preferences_ui.xml
index 730ea1606..447034871 100644
--- a/document-viewer/src/main/res/values/service_preferences_ui.xml
+++ b/document-viewer/src/main/res/values/service_preferences_ui.xml
@@ -17,6 +17,7 @@
     <string name="pref_lang_ko" translatable="false">"ko"</string>
     <string name="pref_lang_eo" translatable="false">"eo"</string>
     <string name="pref_lang_pl" translatable="false">"pl"</string>   
+    <string name="pref_lang_sc" translatable="false">"sc"</string>   
 <!--
 Order according to application statistics from Market:
 
@@ -47,6 +48,7 @@ Others						33,711	13.00 %
         <item>@string/list_lang_ko</item>
         <item>@string/list_lang_eo</item>
         <item>@string/list_lang_pl</item>
+        <item>@string/list_lang_sc</item>
     </string-array>
 
     <string-array name="pref_lang_values" translatable="false">
@@ -64,6 +66,7 @@ Others						33,711	13.00 %
         <item>@string/pref_lang_ko</item>
         <item>@string/pref_lang_eo</item>
         <item>@string/pref_lang_pl</item>
+        <item>@string/pref_lang_sc</item>
     </string-array>
 
     <string translatable="false" name="pref_loadrecent_id">loadrecent</string>
diff --git a/document-viewer/src/main/res/values/strings_preferences_ui.xml b/document-viewer/src/main/res/values/strings_preferences_ui.xml
index b405864cd..80abfbcfb 100644
--- a/document-viewer/src/main/res/values/strings_preferences_ui.xml
+++ b/document-viewer/src/main/res/values/strings_preferences_ui.xml
@@ -21,6 +21,7 @@
     <string name="list_lang_ko">Korean (한국어)</string>
     <string name="list_lang_eo">Esperanto</string>
     <string name="list_lang_pl">Polish (Polski)</string>
+    <string name="list_lang_sc">Sardinian (Sardu)</string>
     
     <string name="pref_loadrecent_title">Load recent</string>
     <string name="pref_loadrecent_summary">On app start, load last opened book</string>