diff --git a/overlay-aosp/frameworks/base/core/res/res/values/config.xml b/overlay-aosp/frameworks/base/core/res/res/values/config.xml
index 566855e..8a1205c 100644
--- a/overlay-aosp/frameworks/base/core/res/res/values/config.xml
+++ b/overlay-aosp/frameworks/base/core/res/res/values/config.xml
@@ -62,4 +62,12 @@
     <!-- Display has physical cutout -->
     <bool name="config_physicalDisplayCutout">true</bool>
 
+    <!-- Whether device has physical tri state switch -->
+    <bool name="config_hasAlertSlider">true</bool>
+
+    <!-- The location of the devices physical tri state switch
+         0: Left side
+         1: Right side -->
+    <integer name="config_alertSliderLocation">1</integer>
+
 </resources>
diff --git a/overlay-aosp/frameworks/base/packages/SystemUI/res/values/dimens.xml b/overlay-aosp/frameworks/base/packages/SystemUI/res/values/dimens.xml
new file mode 100644
index 0000000..c2bad3f
--- /dev/null
+++ b/overlay-aosp/frameworks/base/packages/SystemUI/res/values/dimens.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2020 PixelExperience Project
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+          http://www.apache.org/licenses/LICENSE-2.0
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<resources>
+
+    <!-- Alert Slider UI -->
+    <dimen name="tri_state_down_dialog_position_l">503px</dimen>
+    <dimen name="tri_state_middle_dialog_position_l">503px</dimen>
+    <dimen name="tri_state_up_dialog_position_l">503px</dimen>
+    <dimen name="tri_state_up_dialog_position_deep">24px</dimen>
+    <dimen name="tri_state_up_dialog_position_deep_land">21px</dimen>
+    <dimen name="tri_state_down_dialog_position">627px</dimen>
+    <dimen name="tri_state_middle_dialog_position">480px</dimen>
+    <dimen name="tri_state_up_dialog_position">336px</dimen>
+
+</resources>