diff --git a/res/values-cs/strings.xml b/res/values-cs/strings.xml
index 6e0ec1d..351bfbc 100644
--- a/res/values-cs/strings.xml
+++ b/res/values-cs/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Stiskne Shift na začátku věty</string>
   <string name="pref_switch_input_immediate_title">Přepnout na posledně užívanou klávesnici</string>
   <string name="pref_switch_input_immediate_summary">Jak bude klávesa pro přepnutí klávesnice reagovat</string>
-  <string name="pref_vibrate_title">Vibrace</string>
-  <string name="pref_vibrate_summary">Preference intenzity vibrací při stisku klávesy</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <string name="pref_pin_entry_enabled_title">Rozvržení zadávání PIN kódu</string>
   <string name="pref_pin_entry_enabled_summary">Automaticky při psaní čísel, datumů a telefonních čísel</string>
   <string name="pref_category_style">Styl</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Velmi dlouhá</string>
   <string name="pref_key_horizontal_space">Horizontální mezery mezi klávesami</string>
   <string name="pref_key_vertical_space">Vertikální mezery mezi klávesami</string>
-  <string name="pref_vibration_e_disabled">Deaktivovány</string>
-  <string name="pref_vibration_e_system">Dle systému</string>
-  <string name="pref_vibration_e_strong">Silné</string>
-  <string name="pref_vibration_e_medium">Střední</string>
-  <string name="pref_vibration_e_light">Slabé</string>
   <string name="key_action_next">Další</string>
   <string name="key_action_done">Dokončit</string>
   <string name="key_action_go">Spustit</string>
diff --git a/res/values-de/strings.xml b/res/values-de/strings.xml
index b454cc6..0d988ab 100644
--- a/res/values-de/strings.xml
+++ b/res/values-de/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Umschalttaste am Satzanfang aktivieren</string>
   <string name="pref_switch_input_immediate_title">Sofort zur nächsten Tastatur wechseln</string>
   <string name="pref_switch_input_immediate_summary">Verhalten der Tastaturumschalttaste</string>
-  <string name="pref_vibrate_title">Vibration</string>
-  <string name="pref_vibrate_summary">Vibration bei Tastendruck ein-/ausschalten</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <string name="pref_pin_entry_enabled_title">PIN-Eingabe-Layout</string>
   <string name="pref_pin_entry_enabled_summary">Für die Nummern-, Datums- und Telefonnummern-Eingabe</string>
   <string name="pref_category_style">Design</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Sehr weit</string>
   <string name="pref_key_horizontal_space">Horizontaler Abstand zwischen den Tasten</string>
   <string name="pref_key_vertical_space">Vertikaler Abstand zwischen den Tasten</string>
-  <string name="pref_vibration_e_disabled">Deaktiviert</string>
-  <string name="pref_vibration_e_system">System</string>
-  <string name="pref_vibration_e_strong">Stark</string>
-  <string name="pref_vibration_e_medium">Mittel</string>
-  <string name="pref_vibration_e_light">Schwach</string>
   <string name="key_action_next">Nächstes</string>
   <string name="key_action_done">Fertig</string>
   <string name="key_action_go">Los</string>
diff --git a/res/values-es/strings.xml b/res/values-es/strings.xml
index d8b7ea9..077111c 100644
--- a/res/values-es/strings.xml
+++ b/res/values-es/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Presionar Mayús al principio de una oración</string>
   <string name="pref_switch_input_immediate_title">Cambiar al último teclado usado</string>
   <string name="pref_switch_input_immediate_summary">Comportamiento de la tecla para cambiar diseño</string>
-  <string name="pref_vibrate_title">Vibración</string>
-  <string name="pref_vibrate_summary">Habilitar/deshabilitar vibración al presionar una tecla</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <string name="pref_pin_entry_enabled_title">Diseño de introducción de PIN</string>
   <string name="pref_pin_entry_enabled_summary">Para escribir cifras, fechas y números telefónicos</string>
   <string name="pref_category_style">Estilo</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Muy larga</string>
   <string name="pref_key_horizontal_space">Espaciado horizontal entre las teclas</string>
   <string name="pref_key_vertical_space">Espaciado vertical entre las teclas</string>
-  <string name="pref_vibration_e_disabled">Deshabilitada</string>
-  <string name="pref_vibration_e_system">Igual al sistema</string>
-  <string name="pref_vibration_e_strong">Fuerte</string>
-  <string name="pref_vibration_e_medium">Media</string>
-  <string name="pref_vibration_e_light">Suave</string>
   <string name="key_action_next">Siguiente</string>
   <string name="key_action_done">Hecho</string>
   <string name="key_action_go">Ir</string>
diff --git a/res/values-fa/strings.xml b/res/values-fa/strings.xml
index b8e7b96..78c51b6 100644
--- a/res/values-fa/strings.xml
+++ b/res/values-fa/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">در شروع جملات دگرساز را فشار دهید</string>
   <string name="pref_switch_input_immediate_title">انتقال به آخرین صفحه کلید استفاده شده</string>
   <string name="pref_switch_input_immediate_summary">رفتار کلید تغییردهنده صفحه کلید</string>
-  <string name="pref_vibrate_title">لرزش</string>
-  <string name="pref_vibrate_summary">فعال/غیرفعال کردن لرزش در زمان فشار دادن کلیدها</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <!-- <string name="pref_pin_entry_enabled_title">Pin entry layout</string> -->
   <!-- <string name="pref_pin_entry_enabled_summary">When typing numbers, dates and phone numbers</string> -->
   <string name="pref_category_style">سبک</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">بسیار دور</string>
   <string name="pref_key_horizontal_space">فاصله افقی بین کلیدها</string>
   <string name="pref_key_vertical_space">فاصله عمودی بین کلیدها</string>
-  <!-- <string name="pref_vibration_e_disabled">Disabled</string> -->
-  <!-- <string name="pref_vibration_e_system">System</string> -->
-  <!-- <string name="pref_vibration_e_strong">Strong</string> -->
-  <!-- <string name="pref_vibration_e_medium">Medium</string> -->
-  <!-- <string name="pref_vibration_e_light">Light</string> -->
   <string name="key_action_next">بعدی</string>
   <string name="key_action_done">اتمام</string>
   <string name="key_action_go">برو</string>
diff --git a/res/values-fr/strings.xml b/res/values-fr/strings.xml
index f1bb9c3..1028a8f 100644
--- a/res/values-fr/strings.xml
+++ b/res/values-fr/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Activer Shift au début des phrases</string>
   <string name="pref_switch_input_immediate_title">Changer vers le clavier utilisé en dernier</string>
   <string name="pref_switch_input_immediate_summary">Comportement de la touche de changement de clavier</string>
-  <string name="pref_vibrate_title">Vibreur</string>
-  <string name="pref_vibrate_summary">Vibration a chaque touche</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <string name="pref_pin_entry_enabled_title">Clavier PIN</string>
   <string name="pref_pin_entry_enabled_summary">Lors de la saisie de nombres, de dates et de numéros de téléphone</string>
   <string name="pref_category_style">Style</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Très longue</string>
   <string name="pref_key_horizontal_space">Espacement horizontal entre les touches</string>
   <string name="pref_key_vertical_space">Espacement vertical entre les touches</string>
-  <string name="pref_vibration_e_disabled">Désactivé</string>
-  <string name="pref_vibration_e_system">Système</string>
-  <string name="pref_vibration_e_strong">Fort</string>
-  <string name="pref_vibration_e_medium">Moyen</string>
-  <string name="pref_vibration_e_light">Léger</string>
   <string name="key_action_next">Suiv.</string>
   <string name="key_action_done">Fin</string>
   <string name="key_action_go">Aller</string>
diff --git a/res/values-it/strings.xml b/res/values-it/strings.xml
index 5ee8ec4..b237254 100644
--- a/res/values-it/strings.xml
+++ b/res/values-it/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Premi Shift all\'inizio di una frase</string>
   <!-- <string name="pref_switch_input_immediate_title">Switch to the last used keyboard</string> -->
   <!-- <string name="pref_switch_input_immediate_summary">Behavior of the keyboard-switching key</string> -->
-  <string name="pref_vibrate_title">Vibrazione</string>
-  <string name="pref_vibrate_summary">Abilita/Disabilita Vibrazione alla pressione dei tasti</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <!-- <string name="pref_pin_entry_enabled_title">Pin entry layout</string> -->
   <!-- <string name="pref_pin_entry_enabled_summary">When typing numbers, dates and phone numbers</string> -->
   <string name="pref_category_style">Stile</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Molto distante</string>
   <string name="pref_key_horizontal_space">Spazio orizzontale tra i tasti</string>
   <string name="pref_key_vertical_space">Spazio verticale tra i tasti</string>
-  <!-- <string name="pref_vibration_e_disabled">Disabled</string> -->
-  <!-- <string name="pref_vibration_e_system">System</string> -->
-  <!-- <string name="pref_vibration_e_strong">Strong</string> -->
-  <!-- <string name="pref_vibration_e_medium">Medium</string> -->
-  <!-- <string name="pref_vibration_e_light">Light</string> -->
   <string name="key_action_next">Prossimo</string>
   <string name="key_action_done">Fatto</string>
   <string name="key_action_go">Vai</string>
diff --git a/res/values-ko/strings.xml b/res/values-ko/strings.xml
index 5e023b4..9b3f659 100644
--- a/res/values-ko/strings.xml
+++ b/res/values-ko/strings.xml
@@ -42,8 +42,8 @@
   <!-- <string name="pref_autocapitalisation_summary">Press Shift at the beginning of a sentence</string> -->
   <!-- <string name="pref_switch_input_immediate_title">Switch to the last used keyboard</string> -->
   <!-- <string name="pref_switch_input_immediate_summary">Behavior of the keyboard-switching key</string> -->
-  <string name="pref_vibrate_title">진동</string>
-  <string name="pref_vibrate_summary">키 누를 때 진동 키거/끄기</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <!-- <string name="pref_pin_entry_enabled_title">Pin entry layout</string> -->
   <!-- <string name="pref_pin_entry_enabled_summary">When typing numbers, dates and phone numbers</string> -->
   <string name="pref_category_style">스타일</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">매우 넓음</string>
   <string name="pref_key_horizontal_space">키보드 양 옆 간격</string>
   <string name="pref_key_vertical_space">키보드 세로 간격</string>
-  <!-- <string name="pref_vibration_e_disabled">Disabled</string> -->
-  <!-- <string name="pref_vibration_e_system">System</string> -->
-  <!-- <string name="pref_vibration_e_strong">Strong</string> -->
-  <!-- <string name="pref_vibration_e_medium">Medium</string> -->
-  <!-- <string name="pref_vibration_e_light">Light</string> -->
   <string name="key_action_next">다음</string>
   <string name="key_action_done">확인</string>
   <string name="key_action_go">Go</string>
diff --git a/res/values-lv/strings.xml b/res/values-lv/strings.xml
index 4a80a2c..8c3234f 100644
--- a/res/values-lv/strings.xml
+++ b/res/values-lv/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Piespiest Shift teikuma sākumā</string>
   <string name="pref_switch_input_immediate_title">Pārslēgties uz pēdējo izmantoto tastatūru</string>
   <string name="pref_switch_input_immediate_summary">Tastatūras pārslēgšanas taustiņa uzvedība</string>
-  <string name="pref_vibrate_title">Trīcēšana</string>
-  <string name="pref_vibrate_summary">Iespējot/atspējot taustiņa piespiešanas trīcēšanu</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <string name="pref_pin_entry_enabled_title">Piespraust ievadīšanas izkārtojumu</string>
   <string name="pref_pin_entry_enabled_summary">Kad ievada skaitļus, datumus un tālruņa numurus</string>
   <string name="pref_category_style">Izskata pielāgojumi</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Ļoti tāls</string>
   <string name="pref_key_horizontal_space">Līmeniskais attālums starp taustiņiem</string>
   <string name="pref_key_vertical_space">Stateniskais attālums starp taustiņiem</string>
-  <string name="pref_vibration_e_disabled">Atspējota</string>
-  <string name="pref_vibration_e_system">Sistēmas</string>
-  <string name="pref_vibration_e_strong">Spēcīga</string>
-  <string name="pref_vibration_e_medium">Vidēja</string>
-  <string name="pref_vibration_e_light">Vāja</string>
   <string name="key_action_next">Nākamais</string>
   <string name="key_action_done">Darīts</string>
   <string name="key_action_go">Aiziet</string>
diff --git a/res/values-pl/strings.xml b/res/values-pl/strings.xml
index 27bb10c..5639bc2 100644
--- a/res/values-pl/strings.xml
+++ b/res/values-pl/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Naciśnij Shift na początku zdania</string>
   <string name="pref_switch_input_immediate_title">Przełącz na ostatnio używaną klawiaturę</string>
   <string name="pref_switch_input_immediate_summary">Działanie klawisza przełączającego klawiaturę</string>
-  <string name="pref_vibrate_title">Wibracje</string>
-  <string name="pref_vibrate_summary">Wł./wył. wibrację przy naciśnięciu klawisza</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <string name="pref_pin_entry_enabled_title">Układ klawiatury PIN</string>
   <string name="pref_pin_entry_enabled_summary">Podczas wpisywania liczb, dat i numerów telefonu</string>
   <string name="pref_category_style">Styl</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Bardzo duża</string>
   <string name="pref_key_horizontal_space">Odległość pomiędzy klawiszami w poziomie</string>
   <string name="pref_key_vertical_space">Odległość pomiędzy klawiszami w pionie</string>
-  <string name="pref_vibration_e_disabled">Wyłączone</string>
-  <string name="pref_vibration_e_system">Systemowe</string>
-  <string name="pref_vibration_e_strong">Silne</string>
-  <string name="pref_vibration_e_medium">Normalne</string>
-  <string name="pref_vibration_e_light">Słabe</string>
   <string name="key_action_next">Dalej</string>
   <string name="key_action_done">OK</string>
   <string name="key_action_go">Przejdź</string>
diff --git a/res/values-pt/strings.xml b/res/values-pt/strings.xml
index d7dd843..c2d2629 100644
--- a/res/values-pt/strings.xml
+++ b/res/values-pt/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Aciona o shift no início de cada frase</string>
   <string name="pref_switch_input_immediate_title">Alternar para o último teclado usado</string>
   <string name="pref_switch_input_immediate_summary">Comportamento da tecla de troca de teclado</string>
-  <string name="pref_vibrate_title">Vibração</string>
-  <string name="pref_vibrate_summary">Ativar/desativar vibração ao digitar</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <string name="pref_pin_entry_enabled_title">Layout PIN</string>
   <string name="pref_pin_entry_enabled_summary">Quando digitando números, datas ou números de telefone</string>
   <string name="pref_category_style">Estilo</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Muito longo</string>
   <string name="pref_key_horizontal_space">Distância horizontal entre teclas</string>
   <string name="pref_key_vertical_space">Distância vertical entre teclas</string>
-  <string name="pref_vibration_e_disabled">Desabilitado</string>
-  <string name="pref_vibration_e_system">Sistema</string>
-  <string name="pref_vibration_e_strong">Intenso</string>
-  <string name="pref_vibration_e_medium">Médio</string>
-  <string name="pref_vibration_e_light">Suave</string>
   <string name="key_action_next">Próximo</string>
   <string name="key_action_done">Pronto</string>
   <string name="key_action_go">Ir</string>
diff --git a/res/values-ro/strings.xml b/res/values-ro/strings.xml
index a28e65f..6487dc8 100644
--- a/res/values-ro/strings.xml
+++ b/res/values-ro/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Autoapăsare Shift la începutul fiecărei propoziții</string>
   <string name="pref_switch_input_immediate_title">Schimbă la ultima tastatură folosită</string>
   <string name="pref_switch_input_immediate_summary">Comportamentul tastei pentru schimbarea tastaturii</string>
-  <string name="pref_vibrate_title">Vibrație</string>
-  <string name="pref_vibrate_summary">Activați/dezactivați vibrația la apăsarea tastelor</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <!-- <string name="pref_pin_entry_enabled_title">Pin entry layout</string> -->
   <!-- <string name="pref_pin_entry_enabled_summary">When typing numbers, dates and phone numbers</string> -->
   <string name="pref_category_style">Stil</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Foarte depărtată</string>
   <string name="pref_key_horizontal_space">Distanța orizontală dintre taste</string>
   <string name="pref_key_vertical_space">Distanța verticală dintre taste</string>
-  <!-- <string name="pref_vibration_e_disabled">Disabled</string> -->
-  <!-- <string name="pref_vibration_e_system">System</string> -->
-  <!-- <string name="pref_vibration_e_strong">Strong</string> -->
-  <!-- <string name="pref_vibration_e_medium">Medium</string> -->
-  <!-- <string name="pref_vibration_e_light">Light</string> -->
   <string name="key_action_next">Următor</string>
   <string name="key_action_done">Gata</string>
   <string name="key_action_go">Go</string>
diff --git a/res/values-ru/strings.xml b/res/values-ru/strings.xml
index 5b914b8..3ebb217 100644
--- a/res/values-ru/strings.xml
+++ b/res/values-ru/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Автонажатие Shift в начале каждого предложения</string>
   <string name="pref_switch_input_immediate_title">Переключаться к последней используемой клавиатуре</string>
   <string name="pref_switch_input_immediate_summary">Поведение клавиши переключения клавиатуры</string>
-  <string name="pref_vibrate_title">Вибрация</string>
-  <string name="pref_vibrate_summary">Включение/выключение вибрации при нажатии клавиши</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <!-- <string name="pref_pin_entry_enabled_title">Pin entry layout</string> -->
   <!-- <string name="pref_pin_entry_enabled_summary">When typing numbers, dates and phone numbers</string> -->
   <string name="pref_category_style">Стиль</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Очень далеко</string>
   <string name="pref_key_horizontal_space">Горизонтальное расстояние между клавишами</string>
   <string name="pref_key_vertical_space">Расстояние по вертикали между клавишами</string>
-  <!-- <string name="pref_vibration_e_disabled">Disabled</string> -->
-  <!-- <string name="pref_vibration_e_system">System</string> -->
-  <!-- <string name="pref_vibration_e_strong">Strong</string> -->
-  <!-- <string name="pref_vibration_e_medium">Medium</string> -->
-  <!-- <string name="pref_vibration_e_light">Light</string> -->
   <string name="key_action_next">Далее</string>
   <string name="key_action_done">Ввод</string>
   <string name="key_action_go">Go</string>
diff --git a/res/values-tr/strings.xml b/res/values-tr/strings.xml
index 9796a04..57f7af4 100644
--- a/res/values-tr/strings.xml
+++ b/res/values-tr/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Noktadan sonra ve her cümlenin başında büyük harf yapar</string>
   <string name="pref_switch_input_immediate_title">Son kullanılan klavyeye geç</string>
   <string name="pref_switch_input_immediate_summary">Klavye değistirme tuşunun davranışını belirler</string>
-  <string name="pref_vibrate_title">Titreşim</string>
-  <string name="pref_vibrate_summary">Tuşlara basılınca titremeyi aç/kapat</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <string name="pref_pin_entry_enabled_title">NumPad</string>
   <string name="pref_pin_entry_enabled_summary">Sayıları, tarihleri ve telefon numaralarını yazarken</string>
   <string name="pref_category_style">Tarz</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Çok uzun</string>
   <string name="pref_key_horizontal_space">Tuşlar arasındaki yatay boşluk</string>
   <string name="pref_key_vertical_space">Tuşlar arasındaki dikey boşluk</string>
-  <string name="pref_vibration_e_disabled">Aktif değil</string>
-  <string name="pref_vibration_e_system">Sistem</string>
-  <string name="pref_vibration_e_strong">Şiddetli</string>
-  <string name="pref_vibration_e_medium">Orta</string>
-  <string name="pref_vibration_e_light">Hafif</string>
   <string name="key_action_next">Sonraki</string>
   <string name="key_action_done">Tamam</string>
   <string name="key_action_go">ileri</string>
diff --git a/res/values-vi/strings.xml b/res/values-vi/strings.xml
index 4b01bed..800e6ea 100644
--- a/res/values-vi/strings.xml
+++ b/res/values-vi/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Nhấn Shift ở đầu câu</string>
   <!-- <string name="pref_switch_input_immediate_title">Switch to the last used keyboard</string> -->
   <!-- <string name="pref_switch_input_immediate_summary">Behavior of the keyboard-switching key</string> -->
-  <string name="pref_vibrate_title">Sự rung</string>
-  <string name="pref_vibrate_summary">Bật/tắt rung khi nhấn</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <!-- <string name="pref_pin_entry_enabled_title">Pin entry layout</string> -->
   <!-- <string name="pref_pin_entry_enabled_summary">When typing numbers, dates and phone numbers</string> -->
   <string name="pref_category_style">Kiểu cách</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Rất xa</string>
   <string name="pref_key_horizontal_space">Khoảng cách giữa các phím theo chiều ngang</string>
   <string name="pref_key_vertical_space">Khoảng cách giữa các phím theo chiều dọc</string>
-  <!-- <string name="pref_vibration_e_disabled">Disabled</string> -->
-  <!-- <string name="pref_vibration_e_system">System</string> -->
-  <!-- <string name="pref_vibration_e_strong">Strong</string> -->
-  <!-- <string name="pref_vibration_e_medium">Medium</string> -->
-  <!-- <string name="pref_vibration_e_light">Light</string> -->
   <string name="key_action_next">Tiếp</string>
   <string name="key_action_done">Xong</string>
   <string name="key_action_go">Đi</string>
diff --git a/res/values-zh-rCN/strings.xml b/res/values-zh-rCN/strings.xml
index df8f65a..fb2f91d 100644
--- a/res/values-zh-rCN/strings.xml
+++ b/res/values-zh-rCN/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">在句子的开头自动按下Shift</string>
   <string name="pref_switch_input_immediate_title">切换到最近使用的键盘</string>
   <string name="pref_switch_input_immediate_summary">切换键盘按钮的行为</string>
-  <string name="pref_vibrate_title">振动</string>
-  <string name="pref_vibrate_summary">启用或者禁用按下按键时振动</string>
+  <!-- <string name="pref_vibrate_custom">Custom vibration</string> -->
+  <!-- <string name="pref_vibrate_duration_title">Vibration intensity</string> -->
   <!-- <string name="pref_pin_entry_enabled_title">Pin entry layout</string> -->
   <!-- <string name="pref_pin_entry_enabled_summary">When typing numbers, dates and phone numbers</string> -->
   <string name="pref_category_style">样式</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">非常长</string>
   <string name="pref_key_horizontal_space">按键的左右边距</string>
   <string name="pref_key_vertical_space">按键的上下边距</string>
-  <string name="pref_vibration_e_disabled">禁用</string>
-  <string name="pref_vibration_e_system">使用系统振动强度</string>
-  <string name="pref_vibration_e_strong">强</string>
-  <string name="pref_vibration_e_medium">中</string>
-  <string name="pref_vibration_e_light">弱</string>
   <string name="key_action_next">下一项</string>
   <string name="key_action_done">完成</string>
   <string name="key_action_go">前往</string>
diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index 42e1738..04d13f9 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -54,18 +54,4 @@
     <item>25</item>
     <item>35</item>
   </string-array>
-  <string-array name="pref_vibration_entries">
-    <item>@string/pref_vibration_e_disabled</item>
-    <item>@string/pref_vibration_e_system</item>
-    <item>@string/pref_vibration_e_strong</item>
-    <item>@string/pref_vibration_e_medium</item>
-    <item>@string/pref_vibration_e_light</item>
-  </string-array>
-  <string-array name="pref_vibration_values">
-    <item>disabled</item>
-    <item>system</item>
-    <item>strong</item>
-    <item>medium</item>
-    <item>light</item>
-  </string-array>
 </resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 50ed6b3..a85f374 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -42,8 +42,8 @@
   <string name="pref_autocapitalisation_summary">Press Shift at the beginning of a sentence</string>
   <string name="pref_switch_input_immediate_title">Switch to the last used keyboard</string>
   <string name="pref_switch_input_immediate_summary">Behavior of the keyboard-switching key</string>
-  <string name="pref_vibrate_title">Vibration</string>
-  <string name="pref_vibrate_summary">Enable/disable vibration on keypress</string>
+  <string name="pref_vibrate_custom">Custom vibration</string>
+  <string name="pref_vibrate_duration_title">Vibration intensity</string>
   <string name="pref_pin_entry_enabled_title">Pin entry layout</string>
   <string name="pref_pin_entry_enabled_summary">When typing numbers, dates and phone numbers</string>
   <string name="pref_category_style">Style</string>
@@ -69,11 +69,6 @@
   <string name="pref_swipe_dist_e_very_far">Very far</string>
   <string name="pref_key_horizontal_space">Horizontal spacing between the keys</string>
   <string name="pref_key_vertical_space">Vertical spacing between the keys</string>
-  <string name="pref_vibration_e_disabled">Disabled</string>
-  <string name="pref_vibration_e_system">System</string>
-  <string name="pref_vibration_e_strong">Strong</string>
-  <string name="pref_vibration_e_medium">Medium</string>
-  <string name="pref_vibration_e_light">Light</string>
   <string name="key_action_next">Next</string>
   <string name="key_action_done">Done</string>
   <string name="key_action_go">Go</string>
diff --git a/res/xml/settings.xml b/res/xml/settings.xml
index f6467d6..653a3b0 100644
--- a/res/xml/settings.xml
+++ b/res/xml/settings.xml
@@ -21,7 +21,8 @@
   <PreferenceCategory android:title="@string/pref_category_behavior">
     <CheckBoxPreference android:key="autocapitalisation" android:title="@string/pref_autocapitalisation_title" android:summary="@string/pref_autocapitalisation_summary" android:defaultValue="true"/>
     <CheckBoxPreference android:key="switch_input_immediate" android:title="@string/pref_switch_input_immediate_title" android:summary="@string/pref_switch_input_immediate_summary" android:defaultValue="false"/>
-    <ListPreference android:key="vibration_behavior" android:title="@string/pref_vibrate_title" android:summary="@string/pref_vibrate_summary" android:defaultValue="system" android:entries="@array/pref_vibration_entries" android:entryValues="@array/pref_vibration_values"/>
+    <CheckBoxPreference android:key="vibrate_custom" android:title="@string/pref_vibrate_custom" android:defaultValue="false"/>
+    <juloo.common.IntSlideBarPreference android:dependency="vibrate_custom" android:key="vibrate_duration" android:title="@string/pref_vibrate_duration_title" android:summary="%sms" android:defaultValue="20" min="0" max="100"/>
     <CheckBoxPreference android:key="pin_entry_enabled" android:title="@string/pref_pin_entry_enabled_title" android:summary="@string/pref_pin_entry_enabled_summary" android:defaultValue="true"/>
   </PreferenceCategory>
   <PreferenceCategory android:title="@string/pref_category_style">
diff --git a/srcs/juloo.keyboard2/Config.java b/srcs/juloo.keyboard2/Config.java
index 1b6a76a..53360de 100644
--- a/srcs/juloo.keyboard2/Config.java
+++ b/srcs/juloo.keyboard2/Config.java
@@ -35,7 +35,10 @@ final class Config
   public boolean number_row;
   public float swipe_dist_px;
   public float slide_step_px;
-  public VibratorCompat.VibrationBehavior vibration_behavior;
+  // Let the system handle vibration when false.
+  public boolean vibrate_custom;
+  // Control the vibration if [vibrate_custom] is true.
+  public long vibrate_duration;
   public long longPressTimeout;
   public long longPressInterval;
   public float margin_bottom;
@@ -130,8 +133,8 @@ final class Config
     float swipe_dist_value = Float.valueOf(_prefs.getString("swipe_dist", "15"));
     swipe_dist_px = swipe_dist_value / 25.f * swipe_scaling;
     slide_step_px = swipe_dist_px / 4.f;
-    vibration_behavior =
-      VibratorCompat.VibrationBehavior.of_string(_prefs.getString("vibration_behavior", "system"));
+    vibrate_custom = _prefs.getBoolean("vibrate_custom", false);
+    vibrate_duration = _prefs.getInt("vibrate_duration", 20);
     longPressTimeout = _prefs.getInt("longpress_timeout", 600);
     longPressInterval = _prefs.getInt("longpress_interval", 65);
     margin_bottom = get_dip_pref_oriented(dm, "margin_bottom", 7, 3);
diff --git a/srcs/juloo.keyboard2/Keyboard2View.java b/srcs/juloo.keyboard2/Keyboard2View.java
index 3ef9957..205bbae 100644
--- a/srcs/juloo.keyboard2/Keyboard2View.java
+++ b/srcs/juloo.keyboard2/Keyboard2View.java
@@ -234,7 +234,7 @@ public class Keyboard2View extends View
 
   private void vibrate()
   {
-    VibratorCompat.vibrate(this, _config.vibration_behavior);
+    VibratorCompat.vibrate(this, _config);
   }
 
   @Override
diff --git a/srcs/juloo.keyboard2/VibratorCompat.java b/srcs/juloo.keyboard2/VibratorCompat.java
index 2795c71..4a9debe 100644
--- a/srcs/juloo.keyboard2/VibratorCompat.java
+++ b/srcs/juloo.keyboard2/VibratorCompat.java
@@ -8,32 +8,24 @@ import android.view.View;
 
 public final class VibratorCompat
 {
-  public static void vibrate(View v, VibrationBehavior b)
+  public static void vibrate(View v, Config config)
   {
-    switch (b)
+    if (config.vibrate_custom)
     {
-      case DISABLED:
-        break;
-      case SYSTEM:
-        if (VERSION.SDK_INT >= 8)
-          v.performHapticFeedback(HapticFeedbackConstants.KEYBOARD_TAP,
-              HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
-        break;
-      case STRONG:
-        vibrator_vibrate(v, 90);
-        break;
-      case MEDIUM:
-        vibrator_vibrate(v, 45);
-        break;
-      case LIGHT:
-        vibrator_vibrate(v, 20);
-        break;
+      if (config.vibrate_duration > 0)
+        vibrator_vibrate(v, config.vibrate_duration);
+    }
+    else
+    {
+      if (VERSION.SDK_INT >= 8)
+        v.performHapticFeedback(HapticFeedbackConstants.KEYBOARD_TAP,
+            HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
     }
   }
 
   /** Use the older [Vibrator] when the newer API is not available or the user
       wants more control. */
-  static void vibrator_vibrate(View v, int duration)
+  static void vibrator_vibrate(View v, long duration)
   {
     try
     {
@@ -53,29 +45,4 @@ public final class VibratorCompat
     }
     return vibrator_service;
   }
-
-  public static enum VibrationBehavior
-  {
-    DISABLED,
-    SYSTEM,
-    STRONG,
-    MEDIUM,
-    LIGHT;
-
-    VibrationBehavior() {}
-
-    /** Defaults [SYSTEM] for unrecognized strings. */
-    public static VibrationBehavior of_string(String s)
-    {
-      switch (s)
-      {
-        case "disabled": return DISABLED;
-        case "system": return SYSTEM;
-        case "strong": return STRONG;
-        case "medium": return MEDIUM;
-        case "light": return LIGHT;
-        default: return SYSTEM;
-      }
-    }
-  }
 }