diff --git a/KeyHandler/res/values-cs/strings.xml b/KeyHandler/res/values-cs/strings.xml
new file mode 100644
index 0000000..f90e553
--- /dev/null
+++ b/KeyHandler/res/values-cs/strings.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2021 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="alert_slider_category_title">Posuvník oznámení</string>
+    <string name="alert_slider_selection_dialog_title">Akce</string>
+    <string name="alert_slider_top_position">Pozice nahoře</string>
+    <string name="alert_slider_middle_position">Pozice uprostřed</string>
+    <string name="alert_slider_bottom_position">Pozice dole</string>
+    <string name="alert_slider_mode_none">Žádný</string>
+    <string name="alert_slider_mode_silent">Tichý</string>
+    <string name="alert_slider_mode_normal">Normální</string>
+    <string name="alert_slider_mode_vibration">Vibrace</string>
+    <string name="alert_slider_mode_dnd_priority_only">Pouze prioritní</string>
+    <string name="alert_slider_mode_dnd_total_silence">Úplné ticho</string>
+    <string name="alert_slider_mode_dnd_alarms_only">Pouze budíky</string>
+    <string name="alert_slider_mute_media_title">Ztlumit média</string>
+    <string name="alert_slider_mute_media_summary">Ztlumit média při přechodu na tichý režim</string>
+</resources>