diff --git a/res/drawable-night/ic_enhanced_connectivity.xml b/res/drawable-night/ic_enhanced_connectivity.xml
new file mode 100644
index 0000000..cd25667
--- /dev/null
+++ b/res/drawable-night/ic_enhanced_connectivity.xml
@@ -0,0 +1,91 @@
+<!--
+  ~ Copyright (C) 2021 The Android Open Source 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.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="412dp"
+    android:height="300dp"
+    android:viewportWidth="412"
+    android:viewportHeight="300">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M28.1,0L383.9,0A28.1,28.1 0,0 1,412 28.1L412,271.9A28.1,28.1 0,0 1,383.9 300L28.1,300A28.1,28.1 0,0 1,0 271.9L0,28.1A28.1,28.1 0,0 1,28.1 0z"/>
+  <path
+      android:pathData="M206,150m-108.79,0a108.79,108.79 0,1 1,217.58 0a108.79,108.79 0,1 1,-217.58 0"
+      android:strokeAlpha="0.2"
+      android:fillColor="#d2e3fc"
+      android:fillAlpha="0.2"/>
+  <path
+      android:pathData="M206,150m-93.27,0a93.27,93.27 0,1 1,186.54 0a93.27,93.27 0,1 1,-186.54 0"
+      android:strokeAlpha="0.2"
+      android:fillColor="#d2e3fc"
+      android:fillAlpha="0.2"/>
+  <path
+      android:pathData="M206,150m-77.85,0a77.85,77.85 0,1 1,155.7 0a77.85,77.85 0,1 1,-155.7 0"
+      android:strokeAlpha="0.2"
+      android:fillColor="#d2e3fc"
+      android:fillAlpha="0.2"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M153.7,35.5H256.88A7.09,7.09 0,0 1,264 42.57V257.19a7.09,7.09 0,0 1,-7.12 7.06H153.7a7.09,7.09 0,0 1,-7.13 -7.06V42.57A7.1,7.1 0,0 1,153.7 35.5Z"/>
+  <path
+      android:pathData="M267.85,102.26L267.85,93.58a2.17,2.17 0,0 0,-2.17 -2.17L265.68,45.83A10.87,10.87 0,0 0,254.83 35L155,35a10.87,10.87 0,0 0,-10.85 10.85L144.15,254.17A10.87,10.87 0,0 0,155 265h99.83a10.87,10.87 0,0 0,10.85 -10.85L265.68,147.83a2.17,2.17 0,0 0,2.17 -2.17L267.85,124a2.17,2.17 0,0 0,-2.17 -2.17L265.68,104.43A2.17,2.17 0,0 0,267.85 102.26ZM263.51,254.17a8.7,8.7 0,0 1,-8.68 8.68L155,262.85a8.7,8.7 0,0 1,-8.68 -8.68L146.32,45.83A8.7,8.7 0,0 1,155 37.15h99.83a8.7,8.7 0,0 1,8.68 8.68Z"
+      android:fillColor="#80868b"/>
+  <path
+      android:pathData="M199.72,230.82h14a4.45,4.45 0,0 1,4.45 4.45h0a4.46,4.46 0,0 1,-4.45 4.46h-14a4.46,4.46 0,0 1,-4.45 -4.46h0a4.45,4.45 0,0 1,4.45 -4.45Z"
+      android:fillColor="#3c4043"/>
+  <path
+      android:pathData="M211.83,228.91h0a6.36,6.36 0,0 1,6.36 6.36h0a6.36,6.36 0,0 1,-6.35 6.37h0a6.37,6.37 0,0 1,-6.37 -6.37h0a6.36,6.36 0,0 1,6.36 -6.36Z"
+      android:fillColor="#669df6"/>
+  <path
+      android:pathData="M206.59,179.58m-15.27,0a15.27,15.27 0,1 1,30.54 0a15.27,15.27 0,1 1,-30.54 0"
+      android:fillColor="#f1f3f4"/>
+  <path
+      android:pathData="M191.32,179.58a15.27,15.24 0,1 0,30.54 0a15.27,15.24 0,1 0,-30.54 0z"
+      android:fillColor="#feefc3"/>
+  <path
+      android:pathData="M206.59,172.63l-5.72,4.29l0,8.59l3.57,0l0,-5.01l4.3,0l0,5.01l3.57,0l0,-8.59l-5.72,-4.29z"
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+  <path
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+      android:fillColor="#ee675c"/>
+  <path
+      android:pathData="M243.03,151.92m-15.27,0a15.27,15.27 0,1 1,30.54 0a15.27,15.27 0,1 1,-30.54 0"
+      android:fillColor="#fad2cf"/>
+  <path
+      android:pathData="M248.3,146.31a1.09,1.09 0,0 0,-1 -0.73h-8a1.1,1.1 0,0 0,-1 0.73l-1.5,4.34v5.8a0.71,0.71 0,0 0,0.71 0.73h0.79a0.72,0.72 0,0 0,0.72 -0.72h0v-0.72h8.68v0.72a0.73,0.73 0,0 0,0.73 0.73h0.72a0.73,0.73 0,0 0,0.73 -0.73v-5.79ZM240,153.54a1.09,1.09 0,1 1,1.09 -1.09h0a1.08,1.08 0,0 1,-1 1.12h0ZM246.52,153.54a1.09,1.09 0,1 1,1.08 -1.1v0a1.09,1.09 0,0 1,-1 1.12ZM238.75,149.28 L239.53,147.03L247,147.03l0.78,2.25Z"
+      android:fillColor="#ee675c"/>
+  <path
+      android:pathData="M168.97,151.92m-15.27,0a15.27,15.27 0,1 1,30.54 0a15.27,15.27 0,1 1,-30.54 0"
+      android:fillColor="#d2e3fc"/>
+  <path
+      android:pathData="M175.8,149.23a3.68,3.68 0,0 0,-3.69 -3.08h-5.63a3.73,3.73 0,0 0,-3.69 3.08s-1.17,6.76 -1.17,6.86a1.61,1.61 0,0 0,2.72 1.15l2.66,-2.63h4.61l2.66,2.63a1.61,1.61 0,0 0,2.73 -1.15C177,156 175.8,149.23 175.8,149.23ZM168.51,150.77L167,150.77v1.53h-0.77v-1.53h-1.53L164.7,150h1.53v-1.54L167,148.46L167,150h1.54ZM170.67,151a0.62,0.62 0,1 1,0.61 -0.63h0a0.62,0.62 0,0 1,-0.61 0.62ZM171.97,152.3a0.61,0.61 0,0 1,-0.63 -0.6,0.62 0.62,0 0,1 1.24,0h0a0.61,0.61 0,0 1,-0.61 0.61ZM171.97,149.69a0.62,0.62 0,1 1,0.61 -0.63h0a0.62,0.62 0,0 1,-0.61 0.62ZM173.28,151a0.62,0.62 0,1 1,0.62 -0.62h0a0.62,0.62 0,0 1,-0.62 0.62Z"
+      android:fillColor="#669df6"/>
+  <path
+      android:pathData="M243.03,105.11m-15.24,0a15.24,15.24 0,1 1,30.48 0a15.24,15.24 0,1 1,-30.48 0"
+      android:fillColor="#d2e3fc"/>
+  <path
+      android:pathData="M240,100.65a4.16,4.16 0,0 0,-0.1 5.88l0.1,0.1 0.76,-0.76a3.28,3.28 0,0 1,-0.92 -2.24,3 3,0 0,1 0.92,-2.22ZM247.51,99.12 L246.75,99.88a5.39,5.39 0,0 1,0 7.51l0.76,0.76a6.22,6.22 0,0 0,1.85 -4.52A6.52,6.52 0,0 0,247.54 99.12ZM239.22,99.88 L238.46,99.12a6.45,6.45 0,0 0,0 9l0.76,-0.76A5.39,5.39 0,0 1,239.25 99.88ZM245.96,100.65 L245.2,101.41a3.18,3.18 0,0 1,0.92 2.22,3 3,0 0,1 -0.92,2.24l0.76,0.76a4.24,4.24 0,0 0,1.28 -3,4.55 4.55,0 0,0 -1.26,-3ZM242.96,102.06a1.58,1.58 0,0 0,-1.6 1.56v0a1.63,1.63 0,0 0,0.92 1.47v5.53h1.28v-5.53a1.63,1.63 0,0 0,0.92 -1.47A1.58,1.58 0,0 0,243 102.06Z"
+      android:fillColor="#669df6"/>
+  <path
+      android:pathData="M206.59,77.45m-15.21,0a15.21,15.21 0,1 1,30.42 0a15.21,15.21 0,1 1,-30.42 0"
+      android:fillColor="#ceead6"/>
+  <path
+      android:pathData="M211.66,72.38h-1.9L211,74.92h-1.9l-1.29,-2.54h-1.27l1.27,2.54L206,74.92l-1.26,-2.54h-1.32l1.27,2.54h-1.9l-1.27,-2.54a1.26,1.26 0,0 0,-1.26 1.26h0v7.61a1.25,1.25 0,0 0,1.26 1.26h10.14a1.26,1.26 0,0 0,1.27 -1.26L212.93,73.65a1.27,1.27 0,0 0,-1.27 -1.27ZM211.66,81.26L201.52,81.26L201.52,76.19h10.14Z"
+      android:fillColor="#5bb974"/>
+</vector>
diff --git a/res/drawable/ic_enhanced_connectivity.xml b/res/drawable/ic_enhanced_connectivity.xml
new file mode 100644
index 0000000..45767bd
--- /dev/null
+++ b/res/drawable/ic_enhanced_connectivity.xml
@@ -0,0 +1,91 @@
+<!--
+  ~ Copyright (C) 2021 The Android Open Source 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.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="412dp"
+    android:height="300dp"
+    android:viewportWidth="412"
+    android:viewportHeight="300">
+  <path
+      android:pathData="M28.1,0L383.9,0A28.1,28.1 0,0 1,412 28.1L412,271.9A28.1,28.1 0,0 1,383.9 300L28.1,300A28.1,28.1 0,0 1,0 271.9L0,28.1A28.1,28.1 0,0 1,28.1 0z"
+      android:fillColor="#fff"/>
+  <path
+      android:pathData="M206,150m-108.79,0a108.79,108.79 0,1 1,217.58 0a108.79,108.79 0,1 1,-217.58 0"
+      android:strokeAlpha="0.2"
+      android:fillColor="#669df6"
+      android:fillAlpha="0.2"/>
+  <path
+      android:pathData="M206,150m-93.27,0a93.27,93.27 0,1 1,186.54 0a93.27,93.27 0,1 1,-186.54 0"
+      android:strokeAlpha="0.2"
+      android:fillColor="#669df6"
+      android:fillAlpha="0.2"/>
+  <path
+      android:pathData="M206,150m-77.85,0a77.85,77.85 0,1 1,155.7 0a77.85,77.85 0,1 1,-155.7 0"
+      android:strokeAlpha="0.2"
+      android:fillColor="#669df6"
+      android:fillAlpha="0.2"/>
+  <path
+      android:pathData="M153.7,35.5H256.88A7.09,7.09 0,0 1,264 42.57V257.19a7.09,7.09 0,0 1,-7.12 7.06H153.7a7.09,7.09 0,0 1,-7.13 -7.06V42.57A7.1,7.1 0,0 1,153.7 35.5Z"
+      android:fillColor="#fff"/>
+  <path
+      android:pathData="M267.85,102.26L267.85,93.58a2.17,2.17 0,0 0,-2.17 -2.17L265.68,45.83A10.87,10.87 0,0 0,254.83 35L155,35a10.87,10.87 0,0 0,-10.85 10.85L144.15,254.17A10.87,10.87 0,0 0,155 265h99.83a10.87,10.87 0,0 0,10.85 -10.85L265.68,147.83a2.17,2.17 0,0 0,2.17 -2.17L267.85,124a2.17,2.17 0,0 0,-2.17 -2.17L265.68,104.43A2.17,2.17 0,0 0,267.85 102.26ZM263.51,254.17a8.7,8.7 0,0 1,-8.68 8.68L155,262.85a8.7,8.7 0,0 1,-8.68 -8.68L146.32,45.83A8.7,8.7 0,0 1,155 37.15h99.83a8.7,8.7 0,0 1,8.68 8.68Z"
+      android:fillColor="#dadce0"/>
+  <path
+      android:pathData="M199.72,230.82h14a4.45,4.45 0,0 1,4.45 4.45h0a4.46,4.46 0,0 1,-4.45 4.46h-14a4.46,4.46 0,0 1,-4.45 -4.46h0a4.45,4.45 0,0 1,4.45 -4.45Z"
+      android:fillColor="#e8f0fe"/>
+  <path
+      android:pathData="M211.83,228.91h0a6.36,6.36 0,0 1,6.36 6.36h0a6.36,6.36 0,0 1,-6.35 6.37h0a6.37,6.37 0,0 1,-6.37 -6.37h0a6.36,6.36 0,0 1,6.36 -6.36Z"
+      android:fillColor="#1a73e8"/>
+  <path
+      android:pathData="M206.59,179.58m-15.27,0a15.27,15.27 0,1 1,30.54 0a15.27,15.27 0,1 1,-30.54 0"
+      android:fillColor="#f1f3f4"/>
+  <path
+      android:pathData="M191.32,179.58a15.27,15.24 0,1 0,30.54 0a15.27,15.24 0,1 0,-30.54 0z"
+      android:fillColor="#feefc3"/>
+  <path
+      android:pathData="M206.59,172.63l-5.72,4.29l0,8.59l3.57,0l0,-5.01l4.3,0l0,5.01l3.57,0l0,-8.59l-5.72,-4.29z"
+      android:fillColor="#f9ab00"/>
+  <path
+      android:pathData="M168.97,105.11m-15.24,0a15.24,15.24 0,1 1,30.48 0a15.24,15.24 0,1 1,-30.48 0"
+      android:fillColor="#fad2cf"/>
+  <path
+      android:pathData="M172.6,111.39L172.6,100.28a0.92,0.92 0,0 0,-0.92 -0.92h-1.22L170.46,97.87h-2.9v1.42h-1.2a0.93,0.93 0,0 0,-0.93 0.92v11.07a0.93,0.93 0,0 0,0.93 0.92h5.31A0.92,0.92 0,0 0,172.6 111.39ZM171.15,100.77L171.15,106h-4.34v-5.2Z"
+      android:fillColor="#d93025"/>
+  <path
+      android:pathData="M243.03,151.92m-15.27,0a15.27,15.27 0,1 1,30.54 0a15.27,15.27 0,1 1,-30.54 0"
+      android:fillColor="#fad2cf"/>
+  <path
+      android:pathData="M248.3,146.31a1.09,1.09 0,0 0,-1 -0.73h-8a1.1,1.1 0,0 0,-1 0.73l-1.5,4.34v5.8a0.71,0.71 0,0 0,0.71 0.73h0.79a0.72,0.72 0,0 0,0.72 -0.72h0v-0.72h8.68v0.72a0.73,0.73 0,0 0,0.73 0.73h0.72a0.73,0.73 0,0 0,0.73 -0.73v-5.79ZM240,153.54a1.09,1.09 0,1 1,1.09 -1.09h0a1.08,1.08 0,0 1,-1 1.12h0ZM246.52,153.54a1.09,1.09 0,1 1,1.08 -1.1v0a1.09,1.09 0,0 1,-1 1.12ZM238.75,149.28 L239.53,147.03L247,147.03l0.78,2.25Z"
+      android:fillColor="#d93025"/>
+  <path
+      android:pathData="M168.97,151.92m-15.27,0a15.27,15.27 0,1 1,30.54 0a15.27,15.27 0,1 1,-30.54 0"
+      android:fillColor="#d2e3fc"/>
+  <path
+      android:pathData="M175.8,149.23a3.68,3.68 0,0 0,-3.69 -3.08h-5.63a3.73,3.73 0,0 0,-3.69 3.08s-1.17,6.76 -1.17,6.86a1.61,1.61 0,0 0,2.72 1.15l2.66,-2.63h4.61l2.66,2.63a1.61,1.61 0,0 0,2.73 -1.15C177,156 175.8,149.23 175.8,149.23ZM168.51,150.77L167,150.77v1.53h-0.77v-1.53h-1.53L164.7,150h1.53v-1.54L167,148.46L167,150h1.54ZM170.67,151a0.62,0.62 0,1 1,0.61 -0.63h0a0.62,0.62 0,0 1,-0.61 0.62ZM171.97,152.3a0.61,0.61 0,0 1,-0.63 -0.6,0.62 0.62,0 0,1 1.24,0h0a0.61,0.61 0,0 1,-0.61 0.61ZM171.97,149.69a0.62,0.62 0,1 1,0.61 -0.63h0a0.62,0.62 0,0 1,-0.61 0.62ZM173.28,151a0.62,0.62 0,1 1,0.62 -0.62h0a0.62,0.62 0,0 1,-0.62 0.62Z"
+      android:fillColor="#1a73e8"/>
+  <path
+      android:pathData="M243.03,105.11m-15.24,0a15.24,15.24 0,1 1,30.48 0a15.24,15.24 0,1 1,-30.48 0"
+      android:fillColor="#d2e3fc"/>
+  <path
+      android:pathData="M240,100.65a4.16,4.16 0,0 0,-0.1 5.88l0.1,0.1 0.76,-0.76a3.28,3.28 0,0 1,-0.92 -2.24,3 3,0 0,1 0.92,-2.22ZM247.51,99.12 L246.75,99.88a5.39,5.39 0,0 1,0 7.51l0.76,0.76a6.22,6.22 0,0 0,1.85 -4.52A6.52,6.52 0,0 0,247.54 99.12ZM239.22,99.88 L238.46,99.12a6.45,6.45 0,0 0,0 9l0.76,-0.76A5.39,5.39 0,0 1,239.25 99.88ZM245.96,100.65 L245.2,101.41a3.18,3.18 0,0 1,0.92 2.22,3 3,0 0,1 -0.92,2.24l0.76,0.76a4.24,4.24 0,0 0,1.28 -3,4.55 4.55,0 0,0 -1.26,-3ZM242.96,102.06a1.58,1.58 0,0 0,-1.6 1.56v0a1.63,1.63 0,0 0,0.92 1.47v5.53h1.28v-5.53a1.63,1.63 0,0 0,0.92 -1.47A1.58,1.58 0,0 0,243 102.06Z"
+      android:fillColor="#1a73e8"/>
+  <path
+      android:pathData="M206.59,77.45m-15.21,0a15.21,15.21 0,1 1,30.42 0a15.21,15.21 0,1 1,-30.42 0"
+      android:fillColor="#ceead6"/>
+  <path
+      android:pathData="M211.66,72.38h-1.9L211,74.92h-1.9l-1.29,-2.54h-1.27l1.27,2.54L206,74.92l-1.26,-2.54h-1.32l1.27,2.54h-1.9l-1.27,-2.54a1.26,1.26 0,0 0,-1.26 1.26h0v7.61a1.25,1.25 0,0 0,1.26 1.26h10.14a1.26,1.26 0,0 0,1.27 -1.26L212.93,73.65a1.27,1.27 0,0 0,-1.27 -1.27ZM211.66,81.26L201.52,81.26L201.52,76.19h10.14Z"
+      android:fillColor="#1e8e3e"/>
+</vector>
diff --git a/res/layout/accessibility_autoclick_preview.xml b/res/layout/accessibility_autoclick_preview.xml
deleted file mode 100644
index 4fa3f8f..0000000
--- a/res/layout/accessibility_autoclick_preview.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Copyright (C) 2019 The Android Open Source 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.
-  -->
-
-<FrameLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content">
-
-    <ImageView
-        android:layout_width="match_parent"
-        android:layout_height="@dimen/autoclick_preview_height"
-        android:contentDescription="@null"
-        android:scaleType="fitCenter"
-        android:src="@drawable/accessibility_dwell"/>
-
-</FrameLayout>
diff --git a/res/layout/fingerprint_enroll_introduction.xml b/res/layout/fingerprint_enroll_introduction.xml
index 65c1497..5f82879 100644
--- a/res/layout/fingerprint_enroll_introduction.xml
+++ b/res/layout/fingerprint_enroll_introduction.xml
@@ -98,7 +98,7 @@
                 android:paddingTop="24dp">
 
                 <ImageView
-                    android:id="@+id/icon_fingerprint"
+                    android:id="@+id/icon_device_locked"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:contentDescription="@null"
@@ -133,7 +133,7 @@
                 android:paddingTop="24dp">
 
                 <ImageView
-                    android:id="@+id/icon_fingerprint"
+                    android:id="@+id/icon_trash_can"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:contentDescription="@null"
diff --git a/res/layout/manage_applications_apps.xml b/res/layout/manage_applications_apps.xml
index d814164..7ea8803 100644
--- a/res/layout/manage_applications_apps.xml
+++ b/res/layout/manage_applications_apps.xml
@@ -14,7 +14,7 @@
      limitations under the License.
 -->
 
-<FrameLayout
+<androidx.constraintlayout.widget.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
@@ -24,40 +24,38 @@
         android:id="@+id/pinned_header"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:elevation="2dp"/>
+        android:elevation="2dp"
+        settings:layout_constraintTop_toTopOf="parent"/>
 
-    <FrameLayout
-        android:id="@+id/list_container"
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/apps_list"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:visibility="gone">
+        android:layout_height="wrap_content"
+        android:clipToPadding="false"
+        android:scrollbars="none"
+        android:visibility="invisible"
+        settings:fastScrollEnabled="true"
+        settings:fastScrollHorizontalThumbDrawable="@drawable/thumb_drawable"
+        settings:fastScrollHorizontalTrackDrawable="@drawable/line_drawable"
+        settings:fastScrollVerticalThumbDrawable="@drawable/thumb_drawable"
+        settings:fastScrollVerticalTrackDrawable="@drawable/line_drawable"
+        settings:layout_constraintTop_toBottomOf="@id/pinned_header"/>
 
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/apps_list"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:clipToPadding="false"
-            android:scrollbars="none"
-            settings:fastScrollEnabled="true"
-            settings:fastScrollHorizontalThumbDrawable="@drawable/thumb_drawable"
-            settings:fastScrollHorizontalTrackDrawable="@drawable/line_drawable"
-            settings:fastScrollVerticalThumbDrawable="@drawable/thumb_drawable"
-            settings:fastScrollVerticalTrackDrawable="@drawable/line_drawable"/>
+    <TextView
+        android:id="@android:id/empty"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:gravity="center"
+        android:textAlignment="gravity"
+        android:text="@string/no_applications"
+        android:textAppearance="?android:attr/textAppearanceLarge"
+        android:visibility="invisible"
+        settings:layout_constraintTop_toBottomOf="@id/pinned_header"
+        settings:layout_constraintBottom_toBottomOf="parent"/>
 
-        <TextView
-            android:id="@android:id/empty"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:gravity="bottom|center_horizontal"
-            android:layout_gravity="center"
-            android:text="@string/no_applications"
-            android:textAppearance="?android:attr/textAppearanceLarge"
-            android:visibility="invisible"/>
+    <include layout="@layout/loading_container"
+        settings:layout_constraintTop_toBottomOf="@id/pinned_header"
+        settings:layout_constraintBottom_toBottomOf="parent"/>
 
-    </FrameLayout>
-
-    <include layout="@layout/loading_container"/>
-
-</FrameLayout>
-
+</androidx.constraintlayout.widget.ConstraintLayout>
 
diff --git a/res/layout/preference_animated_image.xml b/res/layout/preference_animated_image.xml
deleted file mode 100644
index 64cfc98..0000000
--- a/res/layout/preference_animated_image.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Copyright (C) 2019 The Android Open Source 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.
-  -->
-
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="@dimen/settingslib_illustration_height"
-    android:gravity="center"
-    android:padding="@dimen/settingslib_illustration_padding"
-    android:orientation="vertical"
-    android:importantForAccessibility="noHideDescendants">
-
-    <ImageView
-        android:id="@+id/animated_img"
-        android:maxWidth="@dimen/settingslib_illustration_width"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:background="@drawable/protection_background"
-        android:scaleType="fitCenter"
-        android:adjustViewBounds="true"/>
-
-    <com.airbnb.lottie.LottieAnimationView
-        android:id="@+id/lottie_view"
-        android:maxWidth="@dimen/settingslib_illustration_width"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:background="@drawable/protection_background"
-        android:scaleType="fitCenter"
-        android:adjustViewBounds="true"
-        android:clipToOutline="true"/>
-</LinearLayout>
\ No newline at end of file
diff --git a/res/raw/lottie_swipe_for_notifications.json b/res/raw/lottie_swipe_for_notifications.json
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/res/raw/lottie_swipe_for_notifications.json
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index fe0ada0..1b8179a 100755
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -149,8 +149,6 @@
     <dimen name="wifi_assistant_height">182dp</dimen>
     <dimen name="wifi_assistant_image_top">32dp</dimen>
     <dimen name="wifi_assistant_image_start">24dp</dimen>
-    <!-- appbar height is equal search bar height (48dp) plus search bar top and bottom margin  -->
-    <dimen name="app_bar_height">80dp</dimen>
 
     <!-- CryptKeeper top margin for password/pin screen -->
     <dimen name="crypt_keeper_password_top_margin">88dip</dimen>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index aeaea61..26fbd79 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -926,16 +926,8 @@
     <string name="security_settings_fingerprint_enroll_introduction_cancel">Cancel</string>
     <!-- Button text to cancel enrollment [CHAR LIMIT=30] -->
     <string name="security_settings_fingerprint_enroll_introduction_no_thanks">No thanks</string>
-    <!-- Button text to skip enrollment [CHAR LIMIT=30] -->
-    <string name="security_settings_fingerprint_enroll_introduction_skip">No thanks</string>
-    <!-- Button text to continue to the next screen from the introduction [CHAR LIMIT=22] -->
-    <string name="security_settings_fingerprint_enroll_introduction_continue">Continue</string>
     <!-- Button text to agree the consent and continue to the next screen from the introduction [CHAR LIMIT=22] -->
     <string name="security_settings_fingerprint_enroll_introduction_agree">I agree</string>
-    <!-- Button text to cancel enrollment from the introduction (this string variant is used while in setup wizard) [CHAR LIMIT=22] -->
-    <string name="security_settings_fingerprint_enroll_introduction_cancel_setup">Skip</string>
-    <!-- Button text to continue to the next screen from the introduction (this string variant is used while in setup wizard) [CHAR LIMIT=22] -->
-    <string name="security_settings_fingerprint_enroll_introduction_continue_setup">Next</string>
     <!-- Title of dialog shown when the user tries to skip setting up fingerprint after adding lock screen during initial setup. [CHAR LIMIT=30] -->
     <string name="setup_fingerprint_enroll_skip_title">Skip fingerprint?</string>
     <!-- Body text of dialog shown when the user tries to skip setting up fingerprint after adding lock screen during initial setup [CHAR LIMIT=NONE] -->
@@ -12892,6 +12884,8 @@
     <string name="sim_action_reboot">Restart</string>
     <!-- Button on a dialog to reject SIM operations. [CHAR LIMIT=30] -->
     <string name="sim_action_no_thanks">No thanks</string>
+    <!-- Button text to cancel operations proposed by a sim operation dialog [CHAR LIMIT=20] -->
+    <string name="sim_action_cancel">Cancel</string>
     <!-- Button which will disconnect the user from one mobile network and immediately connect to another. [CHAR LIMIT=30] -->
     <string name="sim_switch_button">Switch</string>
     <!-- Title of DSDS activation failure dialog [CHAR LIMIT=40] -->
@@ -13389,7 +13383,7 @@
     <string name="mobile_data_no_connection">No connection</string>
     <!-- Provider Model:
          Summary indicating that a SIM has no mobile data connection [CHAR LIMIT=50] -->
-    <string name="mobile_data_off_summary">Internet won\u0027t auto\u2011connect</string>
+    <string name="mobile_data_off_summary">Mobile data won\u0027t auto\u2011connect</string>
     <!-- Provider Model: Summary indicating that no other networks available [CHAR LIMIT=50] -->
     <string name="non_carrier_network_unavailable">No other networks available</string>
     <!-- Provider Model: Summary indicating that no networks available [CHAR LIMIT=50] -->
diff --git a/res/xml/accessibility_autoclick_settings.xml b/res/xml/accessibility_autoclick_settings.xml
index ee27cea..06b3dce 100644
--- a/res/xml/accessibility_autoclick_settings.xml
+++ b/res/xml/accessibility_autoclick_settings.xml
@@ -19,14 +19,13 @@
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:title="@string/accessibility_autoclick_preference_title">
 
-    <com.android.settingslib.widget.LayoutPreference
-        android:key="accessibility_autoclick_preview"
-        android:layout="@layout/accessibility_autoclick_preview"
+    <com.android.settingslib.widget.IllustrationPreference
+        android:key="accessibility_autoclick_banner"
         android:persistent="false"
         android:selectable="false"
-        android:title="@string/summary_placeholder"
         settings:allowDividerBelow="true"
-        settings:searchable="false" />
+        settings:searchable="false"
+        settings:lottie_rawRes="@drawable/accessibility_dwell" />
 
     <com.android.settingslib.widget.RadioButtonPreference
         android:key="accessibility_control_autoclick_default"
diff --git a/res/xml/accounts_dashboard_settings.xml b/res/xml/accounts_dashboard_settings.xml
index c8627e7..71bfc18 100644
--- a/res/xml/accounts_dashboard_settings.xml
+++ b/res/xml/accounts_dashboard_settings.xml
@@ -37,7 +37,6 @@
         <com.android.settings.widget.GearPreference
             android:fragment="com.android.settings.applications.defaultapps.DefaultAutofillPicker"
             android:key="default_autofill_main"
-            android:title="@string/autofill_app"
             settings:keywords="@string/autofill_keywords">
             <extra
                 android:name="for_work"
diff --git a/res/xml/accounts_personal_dashboard_settings.xml b/res/xml/accounts_personal_dashboard_settings.xml
index e0ba71b..b01c235 100644
--- a/res/xml/accounts_personal_dashboard_settings.xml
+++ b/res/xml/accounts_personal_dashboard_settings.xml
@@ -38,7 +38,6 @@
         <com.android.settings.widget.GearPreference
             android:fragment="com.android.settings.applications.defaultapps.DefaultAutofillPicker"
             android:key="default_autofill_main"
-            android:title="@string/autofill_app"
             settings:keywords="@string/autofill_keywords">
             <extra
                 android:name="for_work"
diff --git a/res/xml/accounts_work_dashboard_settings.xml b/res/xml/accounts_work_dashboard_settings.xml
index 1c4c6aa..c24ea6f 100644
--- a/res/xml/accounts_work_dashboard_settings.xml
+++ b/res/xml/accounts_work_dashboard_settings.xml
@@ -38,7 +38,6 @@
         <com.android.settings.widget.GearPreference
             android:fragment="com.android.settings.applications.defaultapps.DefaultAutofillPicker"
             android:key="default_autofill_work"
-            android:title="@string/autofill_app"
             settings:searchable="false">
             <extra
                 android:name="for_work"
diff --git a/res/xml/adaptive_connectivity_settings.xml b/res/xml/adaptive_connectivity_settings.xml
index ff9bdb0..d5941ad 100644
--- a/res/xml/adaptive_connectivity_settings.xml
+++ b/res/xml/adaptive_connectivity_settings.xml
@@ -19,20 +19,18 @@
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:title="@string/adaptive_connectivity_title">
 
-    <com.android.settingslib.widget.LayoutPreference
-        android:key="adaptive_connectivity_header"
-        android:layout="@layout/adaptive_connectivity_header"
-        android:persistent="false"
-        android:selectable="false"
-        android:title="@string/summary_placeholder"
-        settings:allowDividerBelow="true"
-        settings:searchable="false"/>
+    <com.android.settingslib.widget.TopIntroPreference
+        settings:searchable="false"
+        android:title="@string/adaptive_connectivity_summary"/>
 
-    <SwitchPreference
+    <com.android.settingslib.widget.IllustrationPreference
+        android:key="adaptive_connectivity_header"
+        settings:searchable="false"
+        settings:lottie_rawRes="@drawable/ic_enhanced_connectivity"/>
+
+    <com.android.settingslib.widget.MainSwitchPreference
         android:key="adaptive_connectivity"
         android:title="@string/adaptive_connectivity_title"
-        android:summary="@string/adaptive_connectivity_summary"
-        settings:allowDividerAbove="true"
         settings:controller="com.android.settings.network.AdaptiveConnectivityTogglePreferenceController"/>
 
 </PreferenceScreen>
diff --git a/src/com/android/settings/accessibility/AnimatedImagePreference.java b/src/com/android/settings/accessibility/AnimatedImagePreference.java
deleted file mode 100644
index c707e5c..0000000
--- a/src/com/android/settings/accessibility/AnimatedImagePreference.java
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source 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.
- */
-
-package com.android.settings.accessibility;
-
-import android.content.Context;
-import android.graphics.drawable.Animatable;
-import android.graphics.drawable.Animatable2;
-import android.graphics.drawable.AnimationDrawable;
-import android.graphics.drawable.Drawable;
-import android.net.Uri;
-import android.util.Log;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-
-import androidx.preference.Preference;
-import androidx.preference.PreferenceViewHolder;
-
-import com.android.settings.R;
-
-import com.airbnb.lottie.LottieAnimationView;
-import com.airbnb.lottie.LottieDrawable;
-
-import java.io.FileNotFoundException;
-import java.io.InputStream;
-import java.util.Objects;
-
-/**
- * A custom {@link ImageView} preference for showing animated or static image, such as <a
- * href="https://developers.google.com/speed/webp/">animated webp</a> and static png.
- */
-public class AnimatedImagePreference extends Preference {
-
-    private static final String TAG = "AnimatedImagePreference";
-    private Uri mImageUri;
-    private int mMaxHeight = -1;
-
-    private final Animatable2.AnimationCallback mAnimationCallback =
-            new Animatable2.AnimationCallback() {
-        @Override
-        public void onAnimationEnd(Drawable drawable) {
-            ((Animatable2) drawable).start();
-        }
-    };
-
-    AnimatedImagePreference(Context context) {
-        super(context);
-        setLayoutResource(R.layout.preference_animated_image);
-    }
-
-    @Override
-    public void onBindViewHolder(PreferenceViewHolder holder) {
-        super.onBindViewHolder(holder);
-
-        final ImageView imageView = holder.itemView.findViewById(R.id.animated_img);
-        final LottieAnimationView lottieView = holder.itemView.findViewById(R.id.lottie_view);
-        if (imageView == null || lottieView == null) {
-            return;
-        }
-
-        if (mImageUri != null) {
-            resetAnimations(imageView, lottieView);
-            hideAllChildViews(holder.itemView);
-
-            imageView.setImageURI(mImageUri);
-            if (imageView.getDrawable() != null) {
-                startAnimationWith(imageView);
-            } else {
-                // The lottie image from the raw folder also returns null.
-                startLottieAnimationWith(lottieView);
-            }
-        }
-
-        if (mMaxHeight > -1) {
-            imageView.setMaxHeight(mMaxHeight);
-            lottieView.setMaxHeight(mMaxHeight);
-        }
-    }
-
-    /**
-     * Sets image uri to display image in {@link ImageView}
-     *
-     * @param imageUri the Uri of an image
-     */
-    public void setImageUri(Uri imageUri) {
-        if (imageUri != null && !imageUri.equals(mImageUri)) {
-            mImageUri = imageUri;
-            notifyChanged();
-        }
-    }
-
-    /**
-     * Sets the maximum height of the view.
-     *
-     * @param maxHeight the maximum height of ImageView in terms of pixels.
-     */
-    public void setMaxHeight(int maxHeight) {
-        if (maxHeight != mMaxHeight) {
-            mMaxHeight = maxHeight;
-            notifyChanged();
-        }
-    }
-
-    private void startAnimationWith(ImageView imageView) {
-        startAnimation(imageView.getDrawable());
-
-        imageView.setVisibility(View.VISIBLE);
-    }
-
-    private void startLottieAnimationWith(LottieAnimationView lottieView) {
-        final InputStream inputStream = getInputStreamFromUri(mImageUri);
-        Objects.requireNonNull(inputStream, "Invalid resource.");
-        lottieView.setAnimation(inputStream, /* cacheKey= */ null);
-        lottieView.setRepeatCount(LottieDrawable.INFINITE);
-        lottieView.playAnimation();
-
-        lottieView.setVisibility(View.VISIBLE);
-    }
-
-    private void startAnimation(Drawable drawable) {
-        if (!(drawable instanceof Animatable)) {
-            return;
-        }
-
-        if (drawable instanceof Animatable2) {
-            ((Animatable2) drawable).registerAnimationCallback(mAnimationCallback);
-        } else if (drawable instanceof AnimationDrawable) {
-            ((AnimationDrawable) drawable).setOneShot(false);
-        }
-
-        ((Animatable) drawable).start();
-    }
-
-    private void resetAnimations(ImageView imageView, LottieAnimationView lottieView) {
-        resetAnimation(imageView.getDrawable());
-
-        lottieView.cancelAnimation();
-    }
-
-    private void resetAnimation(Drawable drawable) {
-        if (!(drawable instanceof Animatable)) {
-            return;
-        }
-
-        if (drawable instanceof Animatable2) {
-            ((Animatable2) drawable).clearAnimationCallbacks();
-        }
-
-        ((Animatable) drawable).stop();
-    }
-
-    private InputStream getInputStreamFromUri(Uri uri) {
-        try {
-            return getContext().getContentResolver().openInputStream(uri);
-        } catch (FileNotFoundException e) {
-            Log.w(TAG, "Cannot find content uri: " + uri, e);
-            return null;
-        }
-    }
-
-    private void hideAllChildViews(View itemView) {
-        final ViewGroup viewGroup = (ViewGroup) itemView;
-        for (int i = 0; i < viewGroup.getChildCount(); i++) {
-            viewGroup.getChildAt(i).setVisibility(View.GONE);
-        }
-    }
-}
diff --git a/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java b/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java
index 640ae53..510f8d3 100644
--- a/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java
+++ b/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java
@@ -59,6 +59,7 @@
 import com.android.settings.widget.SettingsMainSwitchPreference;
 import com.android.settingslib.HelpUtils;
 import com.android.settingslib.accessibility.AccessibilityUtils;
+import com.android.settingslib.widget.IllustrationPreference;
 import com.android.settingslib.widget.OnMainSwitchChangeListener;
 
 import com.google.android.setupcompat.util.WizardManagerHelper;
@@ -398,15 +399,13 @@
             return;
         }
 
-        final int screenHalfHeight = AccessibilityUtil.getScreenHeightPixels(getPrefContext()) / 2;
-        final AnimatedImagePreference animatedImagePreference =
-                new AnimatedImagePreference(getPrefContext());
-        animatedImagePreference.setImageUri(mImageUri);
-        animatedImagePreference.setSelectable(false);
-        animatedImagePreference.setMaxHeight(screenHalfHeight);
-        animatedImagePreference.setKey(KEY_ANIMATED_IMAGE);
+        final IllustrationPreference illustrationPreference =
+                new IllustrationPreference(getPrefContext());
+        illustrationPreference.setImageUri(mImageUri);
+        illustrationPreference.setSelectable(false);
+        illustrationPreference.setKey(KEY_ANIMATED_IMAGE);
 
-        getPreferenceScreen().addPreference(animatedImagePreference);
+        getPreferenceScreen().addPreference(illustrationPreference);
     }
 
     private void initToggleServiceSwitchPreference() {
diff --git a/src/com/android/settings/applications/RunningServices.java b/src/com/android/settings/applications/RunningServices.java
index 4d13241..b1689d5 100644
--- a/src/com/android/settings/applications/RunningServices.java
+++ b/src/com/android/settings/applications/RunningServices.java
@@ -72,7 +72,11 @@
     public void onResume() {
         super.onResume();
         boolean haveData = mRunningProcessesView.doResume(this, mRunningProcessesAvail);
-        mLoadingViewController.handleLoadingContainer(haveData /* done */, false /* animate */);
+        if (haveData) {
+            mLoadingViewController.showContent(false /* animate */);
+        } else {
+            mLoadingViewController.showLoadingView();
+        }
     }
 
     @Override
diff --git a/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
index fd6f4c2..d962692 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
@@ -65,11 +65,19 @@
             ((TwoTargetPreference) preference).setIconSize(ICON_SIZE_MEDIUM);
         }
         if (!TextUtils.isEmpty(defaultAppLabel)) {
-            preference.setSummary(defaultAppLabel);
+            if (showLabelAsTitle()) {
+                preference.setTitle(defaultAppLabel);
+            } else {
+                preference.setSummary(defaultAppLabel);
+            }
             preference.setIcon(Utils.getSafeIcon(getDefaultAppIcon()));
         } else {
             Log.d(TAG, "No default app");
-            preference.setSummary(R.string.app_list_preference_none);
+            if (showLabelAsTitle()) {
+                preference.setTitle(R.string.app_list_preference_none);
+            } else {
+                preference.setSummary(R.string.app_list_preference_none);
+            }
             preference.setIcon(null);
         }
         mayUpdateGearIcon(app, preference);
@@ -102,6 +110,13 @@
         return null;
     }
 
+    /**
+     * Whether to show the default app label as the title, instead of as the summary.
+     */
+    protected boolean showLabelAsTitle() {
+        return false;
+    }
+
     public Drawable getDefaultAppIcon() {
         if (!isAvailable()) {
             return null;
diff --git a/src/com/android/settings/applications/defaultapps/DefaultAutofillPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultAutofillPreferenceController.java
index d32322b..1493e30 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultAutofillPreferenceController.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultAutofillPreferenceController.java
@@ -69,4 +69,9 @@
         }
         return null;
     }
+
+    @Override
+    protected boolean showLabelAsTitle() {
+        return true;
+    }
 }
diff --git a/src/com/android/settings/applications/manageapplications/ManageApplications.java b/src/com/android/settings/applications/manageapplications/ManageApplications.java
index 6d67524..43e929b 100644
--- a/src/com/android/settings/applications/manageapplications/ManageApplications.java
+++ b/src/com/android/settings/applications/manageapplications/ManageApplications.java
@@ -208,7 +208,6 @@
     private ApplicationsAdapter mApplications;
 
     private View mLoadingContainer;
-    private View mListContainer;
     private SearchView mSearchView;
 
     // Size resource used for packages whose size computation failed for some reason
@@ -402,25 +401,21 @@
 
         mRootView = inflater.inflate(R.layout.manage_applications_apps, null);
         mLoadingContainer = mRootView.findViewById(R.id.loading_container);
-        mListContainer = mRootView.findViewById(R.id.list_container);
-        if (mListContainer != null) {
-            // Create adapter and list view here
-            mEmptyView = mListContainer.findViewById(android.R.id.empty);
+        mEmptyView = mRootView.findViewById(android.R.id.empty);
+        mRecyclerView = mRootView.findViewById(R.id.apps_list);
 
-            mApplications = new ApplicationsAdapter(mApplicationsState, this, mFilter,
-                    savedInstanceState);
-            if (savedInstanceState != null) {
-                mApplications.mHasReceivedLoadEntries =
-                        savedInstanceState.getBoolean(EXTRA_HAS_ENTRIES, false);
-                mApplications.mHasReceivedBridgeCallback =
-                        savedInstanceState.getBoolean(EXTRA_HAS_BRIDGE, false);
-            }
-            mRecyclerView = mListContainer.findViewById(R.id.apps_list);
-            mRecyclerView.setItemAnimator(null);
-            mRecyclerView.setLayoutManager(new LinearLayoutManager(
-                    getContext(), RecyclerView.VERTICAL, false /* reverseLayout */));
-            mRecyclerView.setAdapter(mApplications);
+        mApplications = new ApplicationsAdapter(mApplicationsState, this, mFilter,
+                savedInstanceState);
+        if (savedInstanceState != null) {
+            mApplications.mHasReceivedLoadEntries =
+                    savedInstanceState.getBoolean(EXTRA_HAS_ENTRIES, false);
+            mApplications.mHasReceivedBridgeCallback =
+                    savedInstanceState.getBoolean(EXTRA_HAS_BRIDGE, false);
         }
+        mRecyclerView.setItemAnimator(null);
+        mRecyclerView.setLayoutManager(new LinearLayoutManager(
+                getContext(), RecyclerView.VERTICAL, false /* reverseLayout */));
+        mRecyclerView.setAdapter(mApplications);
 
         // We have to do this now because PreferenceFrameLayout looks at it
         // only when the view is added.
@@ -985,16 +980,8 @@
             // overlapped by floating filter.
             if (hasFilter) {
                 mManageApplications.mSpinnerHeader.setVisibility(View.VISIBLE);
-                mManageApplications.mRecyclerView.setPadding(0 /* left */,
-                        mContext.getResources().getDimensionPixelSize(
-                                R.dimen.app_bar_height) /* top */,
-                        0 /* right */,
-                        0 /* bottom */);
             } else {
                 mManageApplications.mSpinnerHeader.setVisibility(View.GONE);
-                mManageApplications.mRecyclerView.setPadding(0 /* left */, 0 /* top */,
-                        0 /* right */,
-                        0 /* bottom */);
             }
         }
     }
@@ -1044,7 +1031,8 @@
             mManageApplications = manageApplications;
             mLoadingViewController = new LoadingViewController(
                     mManageApplications.mLoadingContainer,
-                    mManageApplications.mListContainer
+                    mManageApplications.mRecyclerView,
+                    mManageApplications.mEmptyView
             );
             mContext = manageApplications.getActivity();
             mIconDrawableFactory = IconDrawableFactory.newInstance(mContext);
@@ -1303,11 +1291,9 @@
             mOriginalEntries = entries;
             notifyDataSetChanged();
             if (getItemCount() == 0) {
-                mManageApplications.mRecyclerView.setVisibility(View.GONE);
-                mManageApplications.mEmptyView.setVisibility(View.VISIBLE);
+                mLoadingViewController.showEmpty(false /* animate */);
             } else {
-                mManageApplications.mEmptyView.setVisibility(View.GONE);
-                mManageApplications.mRecyclerView.setVisibility(View.VISIBLE);
+                mLoadingViewController.showContent(false /* animate */);
 
                 if (mManageApplications.mSearchView != null
                         && mManageApplications.mSearchView.isVisibleToUser()) {
@@ -1324,10 +1310,6 @@
                 mLastIndex = -1;
             }
 
-            if (mSession.getAllApps().size() != 0
-                    && mManageApplications.mListContainer.getVisibility() != View.VISIBLE) {
-                mLoadingViewController.showContent(true /* animate */);
-            }
             if (mManageApplications.mListType == LIST_TYPE_USAGE_ACCESS) {
                 // No enabled or disabled filters for usage access.
                 return;
diff --git a/src/com/android/settings/biometrics/face/FaceProfileStatusPreferenceController.java b/src/com/android/settings/biometrics/face/FaceProfileStatusPreferenceController.java
index 56b325b..c46ddcf 100644
--- a/src/com/android/settings/biometrics/face/FaceProfileStatusPreferenceController.java
+++ b/src/com/android/settings/biometrics/face/FaceProfileStatusPreferenceController.java
@@ -19,16 +19,20 @@
 import android.content.Context;
 import android.os.UserHandle;
 
-import com.android.settings.R;
-
 import androidx.preference.Preference;
 
+import com.android.settings.R;
+
 public class FaceProfileStatusPreferenceController extends FaceStatusPreferenceController {
 
     private static final String KEY_FACE_SETTINGS = "face_settings_profile";
 
     public FaceProfileStatusPreferenceController(Context context) {
-        super(context, KEY_FACE_SETTINGS);
+        this(context, KEY_FACE_SETTINGS);
+    }
+
+    public FaceProfileStatusPreferenceController(Context context, String key) {
+        super(context, key);
     }
 
     @Override
diff --git a/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollIntroduction.java b/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollIntroduction.java
index 8c3b1ce..a75fb0f 100644
--- a/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollIntroduction.java
+++ b/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollIntroduction.java
@@ -64,9 +64,13 @@
         super.onCreate(savedInstanceState);
 
         final ImageView iconFingerprint = findViewById(R.id.icon_fingerprint);
+        final ImageView iconDeviceLocked = findViewById(R.id.icon_device_locked);
+        final ImageView iconTrashCan = findViewById(R.id.icon_trash_can);
         final ImageView iconInfo = findViewById(R.id.icon_info);
         final ImageView iconLink = findViewById(R.id.icon_link);
         iconFingerprint.getDrawable().setColorFilter(getIconColorFilter());
+        iconDeviceLocked.getDrawable().setColorFilter(getIconColorFilter());
+        iconTrashCan.getDrawable().setColorFilter(getIconColorFilter());
         iconInfo.getDrawable().setColorFilter(getIconColorFilter());
         iconLink.getDrawable().setColorFilter(getIconColorFilter());
 
@@ -87,7 +91,7 @@
 
     @StringRes
     int getNegativeButtonTextId() {
-        return R.string.security_settings_fingerprint_enroll_introduction_skip;
+        return R.string.security_settings_fingerprint_enroll_introduction_no_thanks;
     }
 
     @StringRes
diff --git a/src/com/android/settings/biometrics/fingerprint/FingerprintProfileStatusPreferenceController.java b/src/com/android/settings/biometrics/fingerprint/FingerprintProfileStatusPreferenceController.java
index 23873f9..0d9893d 100644
--- a/src/com/android/settings/biometrics/fingerprint/FingerprintProfileStatusPreferenceController.java
+++ b/src/com/android/settings/biometrics/fingerprint/FingerprintProfileStatusPreferenceController.java
@@ -25,7 +25,11 @@
     public static final String KEY_FINGERPRINT_SETTINGS = "fingerprint_settings_profile";
 
     public FingerprintProfileStatusPreferenceController(Context context) {
-        super(context, KEY_FINGERPRINT_SETTINGS);
+        this(context, KEY_FINGERPRINT_SETTINGS);
+    }
+
+    public FingerprintProfileStatusPreferenceController(Context context, String key) {
+        super(context, key);
     }
 
     @Override
diff --git a/src/com/android/settings/biometrics/fingerprint/SetupFingerprintEnrollIntroduction.java b/src/com/android/settings/biometrics/fingerprint/SetupFingerprintEnrollIntroduction.java
index e105911..4bd8afd 100644
--- a/src/com/android/settings/biometrics/fingerprint/SetupFingerprintEnrollIntroduction.java
+++ b/src/com/android/settings/biometrics/fingerprint/SetupFingerprintEnrollIntroduction.java
@@ -26,7 +26,6 @@
 import android.view.View;
 
 import com.android.internal.widget.LockPatternUtils;
-import com.android.settings.R;
 import com.android.settings.SetupWizardUtils;
 import com.android.settings.Utils;
 import com.android.settings.biometrics.BiometricUtils;
@@ -34,8 +33,6 @@
 import com.android.settings.password.SetupChooseLockGeneric;
 import com.android.settings.password.SetupSkipDialog;
 
-import com.google.android.setupcompat.template.FooterButton;
-
 public class SetupFingerprintEnrollIntroduction extends FingerprintEnrollIntroduction {
     /**
      * Returns the number of fingerprint enrolled.
@@ -57,11 +54,6 @@
     }
 
     @Override
-    int getNegativeButtonTextId() {
-        return R.string.security_settings_face_enroll_introduction_cancel;
-    }
-
-    @Override
     protected void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
         outState.putBoolean(KEY_LOCK_SCREEN_PRESENT, mAlreadyHadLockScreenSetup);
@@ -79,19 +71,6 @@
     }
 
     @Override
-    protected void initViews() {
-        super.initViews();
-
-        FooterButton nextButton = getNextButton();
-        nextButton.setText(
-                this, R.string.security_settings_fingerprint_enroll_introduction_continue_setup);
-
-        final FooterButton cancelButton = getCancelButton();
-        cancelButton.setText(
-                this, R.string.security_settings_fingerprint_enroll_introduction_cancel_setup);
-    }
-
-    @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         // if lock was already present, do not return intent data since it must have been
         // reported in previous attempts
diff --git a/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java b/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java
index ccc7436..f898ab2 100644
--- a/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java
+++ b/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java
@@ -65,7 +65,8 @@
                 R.layout.admin_support_details_dialog, null);
         mActionDisabledByAdminController = ActionDisabledByAdminControllerFactory
                 .createInstance(mActivity, restriction,
-                        new DeviceAdminStringProviderImpl(mActivity));
+                        new DeviceAdminStringProviderImpl(mActivity),
+                        UserHandle.SYSTEM);
     }
 
     private @UserIdInt int getEnforcementAdminUserId(@NonNull EnforcedAdmin admin) {
diff --git a/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java b/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java
index ca8a982..7575066 100644
--- a/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java
@@ -28,17 +28,23 @@
 
     private static final String KEY_ENTERPRISE_PRIVACY = "enterprise_privacy";
     private final PrivacyPreferenceControllerHelper mPrivacyPreferenceControllerHelper;
+    private final String mPreferenceKey;
 
     public EnterprisePrivacyPreferenceController(Context context) {
-        this(Objects.requireNonNull(context), new PrivacyPreferenceControllerHelper(context));
+        this(Objects.requireNonNull(context), KEY_ENTERPRISE_PRIVACY);
+    }
+
+    public EnterprisePrivacyPreferenceController(Context context, String key) {
+        this(Objects.requireNonNull(context), new PrivacyPreferenceControllerHelper(context), key);
     }
 
     @VisibleForTesting
-    EnterprisePrivacyPreferenceController(
-            Context context, PrivacyPreferenceControllerHelper privacyPreferenceControllerHelper) {
+    EnterprisePrivacyPreferenceController(Context context,
+            PrivacyPreferenceControllerHelper privacyPreferenceControllerHelper, String key) {
         super(Objects.requireNonNull(context));
         mPrivacyPreferenceControllerHelper = Objects.requireNonNull(
                 privacyPreferenceControllerHelper);
+        this.mPreferenceKey = key;
     }
 
     @Override
@@ -54,6 +60,6 @@
 
     @Override
     public String getPreferenceKey() {
-        return KEY_ENTERPRISE_PRIVACY;
+        return mPreferenceKey;
     }
 }
diff --git a/src/com/android/settings/enterprise/FinancedPrivacyPreferenceController.java b/src/com/android/settings/enterprise/FinancedPrivacyPreferenceController.java
index aca21b6..dd7b2e7 100644
--- a/src/com/android/settings/enterprise/FinancedPrivacyPreferenceController.java
+++ b/src/com/android/settings/enterprise/FinancedPrivacyPreferenceController.java
@@ -32,17 +32,23 @@
 
     private static final String PREF_KEY_FINANCED_PRIVACY = "financed_privacy";
     private final PrivacyPreferenceControllerHelper mPrivacyPreferenceControllerHelper;
+    private final String mPreferenceKey;
 
     public FinancedPrivacyPreferenceController(Context context) {
-        this(Objects.requireNonNull(context), new PrivacyPreferenceControllerHelper(context));
+        this(Objects.requireNonNull(context), PREF_KEY_FINANCED_PRIVACY);
+    }
+
+    public FinancedPrivacyPreferenceController(Context context, String key) {
+        this(Objects.requireNonNull(context), new PrivacyPreferenceControllerHelper(context), key);
     }
 
     @VisibleForTesting
-    FinancedPrivacyPreferenceController(
-            Context context, PrivacyPreferenceControllerHelper privacyPreferenceControllerHelper) {
+    FinancedPrivacyPreferenceController(Context context,
+            PrivacyPreferenceControllerHelper privacyPreferenceControllerHelper, String key) {
         super(Objects.requireNonNull(context));
         mPrivacyPreferenceControllerHelper = Objects.requireNonNull(
                 privacyPreferenceControllerHelper);
+        this.mPreferenceKey = key;
     }
 
     @Override
@@ -57,6 +63,6 @@
 
     @Override
     public String getPreferenceKey() {
-        return PREF_KEY_FINANCED_PRIVACY;
+        return mPreferenceKey;
     }
 }
diff --git a/src/com/android/settings/gestures/OneHandedSettings.java b/src/com/android/settings/gestures/OneHandedSettings.java
index 6d1cbfd..51c6b66 100644
--- a/src/com/android/settings/gestures/OneHandedSettings.java
+++ b/src/com/android/settings/gestures/OneHandedSettings.java
@@ -16,19 +16,18 @@
 
 package com.android.settings.gestures;
 
+import android.app.Activity;
 import android.app.settings.SettingsEnums;
 import android.content.ComponentName;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
 
 import com.android.internal.accessibility.AccessibilityShortcutController;
 import com.android.settings.R;
 import com.android.settings.accessibility.AccessibilityShortcutPreferenceFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.widget.IllustrationPreference;
 
 /**
  * Fragment for One-handed mode settings
@@ -37,13 +36,27 @@
  * providing basic accessibility shortcut service setup.
  */
 public class OneHandedSettings extends AccessibilityShortcutPreferenceFragment {
+
     private static final String ONE_HANDED_SHORTCUT_KEY = "one_handed_shortcuts_preference";
+    private static final String ONE_HANDED_ILLUSTRATION_KEY = "one_handed_header";
     private String mFeatureName;
+    private OneHandedSettingsUtils mUtils;
 
     @Override
     protected void updatePreferenceStates() {
         OneHandedSettingsUtils.setUserId(UserHandle.myUserId());
         super.updatePreferenceStates();
+
+        final IllustrationPreference preference =
+                (IllustrationPreference) getPreferenceScreen().findPreference(
+                        ONE_HANDED_ILLUSTRATION_KEY);
+        if (preference != null) {
+            final boolean isSwipeDownNotification =
+                    OneHandedSettingsUtils.isSwipeDownNotificationEnabled(getContext());
+            preference.setLottieAnimationResId(
+                    isSwipeDownNotification ? R.raw.lottie_swipe_for_notifications
+                            : R.raw.lottie_one_hand_mode);
+        }
     }
 
     @Override
@@ -69,9 +82,21 @@
     }
 
     @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState) {
-        return super.onCreateView(inflater, container, savedInstanceState);
+    public void onStart() {
+        super.onStart();
+        mUtils = new OneHandedSettingsUtils(this.getContext());
+        mUtils.registerToggleAwareObserver(uri -> {
+            Activity activity = getActivity();
+            if (activity != null) {
+                activity.runOnUiThread(() -> updatePreferenceStates());
+            }
+        });
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+        mUtils.unregisterToggleAwareObserver();
     }
 
     @Override
diff --git a/src/com/android/settings/network/AdaptiveConnectivityTogglePreferenceController.java b/src/com/android/settings/network/AdaptiveConnectivityTogglePreferenceController.java
index e1e56a8..e3d779c 100644
--- a/src/com/android/settings/network/AdaptiveConnectivityTogglePreferenceController.java
+++ b/src/com/android/settings/network/AdaptiveConnectivityTogglePreferenceController.java
@@ -22,12 +22,14 @@
 
 import androidx.preference.PreferenceScreen;
 
-import com.android.settings.core.TogglePreferenceController;
+import com.android.settings.widget.SettingsMainSwitchPreferenceController;
 
 /**
- * {@link TogglePreferenceController} that controls whether Adaptive connectivity option is enabled.
+ * {@link SettingsMainSwitchPreferenceController}
+ * that controls whether Adaptive connectivity option is enabled.
  */
-public class AdaptiveConnectivityTogglePreferenceController extends TogglePreferenceController {
+public class AdaptiveConnectivityTogglePreferenceController extends
+        SettingsMainSwitchPreferenceController {
 
     private final WifiManager mWifiManager;
 
diff --git a/src/com/android/settings/network/telephony/ToggleSubscriptionDialogActivity.java b/src/com/android/settings/network/telephony/ToggleSubscriptionDialogActivity.java
index 0064e6c..e67ac42 100644
--- a/src/com/android/settings/network/telephony/ToggleSubscriptionDialogActivity.java
+++ b/src/com/android/settings/network/telephony/ToggleSubscriptionDialogActivity.java
@@ -338,7 +338,7 @@
                 getString(R.string.sim_action_restart_title),
                 getString(R.string.sim_action_enable_dsds_text),
                 getString(R.string.sim_action_reboot),
-                getString(R.string.cancel));
+                getString(R.string.sim_action_cancel));
     }
 
     /* Displays the SIM toggling confirmation dialog. */
@@ -359,7 +359,7 @@
                 title,
                 null,
                 getString(R.string.yes),
-                getString(R.string.cancel));
+                getString(R.string.sim_action_cancel));
     }
 
     private void showEnableSimConfirmDialog() {
@@ -384,7 +384,7 @@
                 getSwitchSubscriptionTitle(),
                 getSwitchDialogBodyMsg(activeSub, isBetweenEsim),
                 getSwitchDialogPosBtnText(),
-                getString(android.R.string.cancel));
+                getString(R.string.sim_action_cancel));
     }
 
     private void showNonSwitchSimConfirmDialog() {
@@ -395,7 +395,7 @@
                 getEnableSubscriptionTitle(),
                 null /* msg */,
                 getString(R.string.yes),
-                getString(android.R.string.cancel));
+                getString(R.string.sim_action_cancel));
     }
 
     private String getSwitchDialogPosBtnText() {
diff --git a/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java b/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java
index 8e1a4f8..d44c100 100644
--- a/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java
+++ b/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java
@@ -37,9 +37,17 @@
 
     private static final String KEY_UNLOCK_SET_OR_CHANGE_PROFILE = "unlock_set_or_change_profile";
 
+    private final String mPreferenceKey;
+
     public ChangeProfileScreenLockPreferenceController(Context context,
             SettingsPreferenceFragment host) {
+        this(context, host, KEY_UNLOCK_SET_OR_CHANGE_PROFILE);
+    }
+
+    public ChangeProfileScreenLockPreferenceController(Context context,
+            SettingsPreferenceFragment host, String key) {
         super(context, host);
+        this.mPreferenceKey = key;
     }
 
     public boolean isAvailable() {
@@ -65,7 +73,7 @@
 
     @Override
     public String getPreferenceKey() {
-        return KEY_UNLOCK_SET_OR_CHANGE_PROFILE;
+        return mPreferenceKey;
     }
 
     @Override
diff --git a/src/com/android/settings/security/LockUnificationPreferenceController.java b/src/com/android/settings/security/LockUnificationPreferenceController.java
index b6e215c..2a9fced 100644
--- a/src/com/android/settings/security/LockUnificationPreferenceController.java
+++ b/src/com/android/settings/security/LockUnificationPreferenceController.java
@@ -26,7 +26,6 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.util.Log;
 
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
@@ -74,6 +73,7 @@
 
     private RestrictedSwitchPreference mUnifyProfile;
 
+    private final String mPreferenceKey;
 
     private LockscreenCredential mCurrentDevicePassword;
     private LockscreenCredential mCurrentProfilePassword;
@@ -82,10 +82,15 @@
     @Override
     public void displayPreference(PreferenceScreen screen) {
         super.displayPreference(screen);
-        mUnifyProfile = screen.findPreference(KEY_UNIFICATION);
+        mUnifyProfile = screen.findPreference(mPreferenceKey);
     }
 
     public LockUnificationPreferenceController(Context context, SettingsPreferenceFragment host) {
+        this(context, host, KEY_UNIFICATION);
+    }
+
+    public LockUnificationPreferenceController(
+            Context context, SettingsPreferenceFragment host, String key) {
         super(context);
         mHost = host;
         mUm = context.getSystemService(UserManager.class);
@@ -96,6 +101,7 @@
         mProfileUserId = Utils.getManagedProfileId(mUm, MY_USER_ID);
         mCurrentDevicePassword = LockscreenCredential.createNone();
         mCurrentProfilePassword = LockscreenCredential.createNone();
+        this.mPreferenceKey = key;
     }
 
     @Override
@@ -106,7 +112,7 @@
 
     @Override
     public String getPreferenceKey() {
-        return KEY_UNIFICATION;
+        return mPreferenceKey;
     }
 
     @Override
diff --git a/src/com/android/settings/security/ScreenPinningPreferenceController.java b/src/com/android/settings/security/ScreenPinningPreferenceController.java
index 442380d..a5fdf8b 100644
--- a/src/com/android/settings/security/ScreenPinningPreferenceController.java
+++ b/src/com/android/settings/security/ScreenPinningPreferenceController.java
@@ -27,7 +27,11 @@
     private static final String KEY_SCREEN_PINNING = "screen_pinning_settings";
 
     public ScreenPinningPreferenceController(Context context) {
-        super(context, KEY_SCREEN_PINNING);
+        this(context, KEY_SCREEN_PINNING);
+    }
+
+    public ScreenPinningPreferenceController(Context context, String key) {
+        super(context, key);
     }
 
     @Override
diff --git a/src/com/android/settings/security/SimLockPreferenceController.java b/src/com/android/settings/security/SimLockPreferenceController.java
index 03983b5..3b85888 100644
--- a/src/com/android/settings/security/SimLockPreferenceController.java
+++ b/src/com/android/settings/security/SimLockPreferenceController.java
@@ -41,7 +41,11 @@
     private TelephonyManager mTelephonyManager;
 
     public SimLockPreferenceController(Context context) {
-        super(context, KEY_SIM_LOCK);
+        this(context, KEY_SIM_LOCK);
+    }
+
+    public SimLockPreferenceController(Context context, String key) {
+        super(context, key);
         mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
         mCarrierConfigManager = (CarrierConfigManager)
                 mContext.getSystemService(Context.CARRIER_CONFIG_SERVICE);
diff --git a/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java b/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java
index 2db8c24..64ca853 100644
--- a/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java
+++ b/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java
@@ -55,9 +55,15 @@
         this(context, null /* lifecycle */);
     }
 
-    // TODO (b/73074893) Replace this constructor without Lifecycle using setter method instead.
     public VisiblePatternProfilePreferenceController(Context context, Lifecycle lifecycle) {
-        super(context, KEY_VISIBLE_PATTERN_PROFILE);
+        this(context, lifecycle, KEY_VISIBLE_PATTERN_PROFILE);
+    }
+
+
+    // TODO (b/73074893) Replace this constructor without Lifecycle using setter method instead.
+    public VisiblePatternProfilePreferenceController(
+            Context context, Lifecycle lifecycle, String key) {
+        super(context, key);
         mUm = (UserManager) context.getSystemService(Context.USER_SERVICE);
         mLockPatternUtils = FeatureFactory.getFactory(context)
                 .getSecurityFeatureProvider()
diff --git a/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java b/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java
index 056c1f2..b0f991e 100644
--- a/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java
+++ b/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java
@@ -38,7 +38,11 @@
     private TrustAgentManager mTrustAgentManager;
 
     public ManageTrustAgentsPreferenceController(Context context) {
-        super(context, KEY_MANAGE_TRUST_AGENTS);
+        this(context, KEY_MANAGE_TRUST_AGENTS);
+    }
+
+    public ManageTrustAgentsPreferenceController(Context context, String key) {
+        super(context, key);
         final SecurityFeatureProvider securityFeatureProvider = FeatureFactory.getFactory(context)
                 .getSecurityFeatureProvider();
         mLockPatternUtils = securityFeatureProvider.getLockPatternUtils(context);
diff --git a/src/com/android/settings/widget/LoadingViewController.java b/src/com/android/settings/widget/LoadingViewController.java
index 294e55e..66eebf3 100644
--- a/src/com/android/settings/widget/LoadingViewController.java
+++ b/src/com/android/settings/widget/LoadingViewController.java
@@ -22,34 +22,66 @@
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 
+import androidx.annotation.Nullable;
+
 /**
- * A helper class that manages show/hide loading spinner.
+ * A helper class that manages show/hide loading spinner, content view and empty view (optional).
  */
 public class LoadingViewController {
 
     private static final long DELAY_SHOW_LOADING_CONTAINER_THRESHOLD_MS = 100L;
 
-    public final Handler mFgHandler;
-    public final View mLoadingView;
-    public final View mContentView;
+    private final Handler mFgHandler;
+    private final View mLoadingView;
+    private final View mContentView;
+    private final View mEmptyView;
 
     public LoadingViewController(View loadingView, View contentView) {
+        this(loadingView, contentView, null /* emptyView*/);
+    }
+
+    public LoadingViewController(View loadingView, View contentView, @Nullable View emptyView) {
         mLoadingView = loadingView;
         mContentView = contentView;
+        mEmptyView = emptyView;
         mFgHandler = new Handler(Looper.getMainLooper());
     }
 
     private Runnable mShowLoadingContainerRunnable = new Runnable() {
         public void run() {
-            handleLoadingContainer(false /* done */, false /* animate */);
+            showLoadingView();
         }
     };
 
+    /**
+     *  Shows content view and hides loading view & empty view.
+     */
     public void showContent(boolean animate) {
         // Cancel any pending task to show the loading animation and show the list of
         // apps directly.
         mFgHandler.removeCallbacks(mShowLoadingContainerRunnable);
-        handleLoadingContainer(true /* show */, animate);
+        handleLoadingContainer(true /* showContent */, false /* showEmpty*/, animate);
+    }
+
+    /**
+     *  Shows empty view and hides loading view & content view.
+     */
+    public void showEmpty(boolean animate) {
+        if (mEmptyView == null) {
+            return;
+        }
+
+        // Cancel any pending task to show the loading animation and show the list of
+        // apps directly.
+        mFgHandler.removeCallbacks(mShowLoadingContainerRunnable);
+        handleLoadingContainer(false /* showContent */, true /* showEmpty */, animate);
+    }
+
+    /**
+     *  Shows loading view and hides content view & empty view.
+     */
+    public void showLoadingView() {
+        handleLoadingContainer(false /* showContent */, false /* showEmpty */, false /* animate */);
     }
 
     public void showLoadingViewDelayed() {
@@ -57,8 +89,9 @@
                 mShowLoadingContainerRunnable, DELAY_SHOW_LOADING_CONTAINER_THRESHOLD_MS);
     }
 
-    public void handleLoadingContainer(boolean done, boolean animate) {
-        handleLoadingContainer(mLoadingView, mContentView, done, animate);
+    private void handleLoadingContainer(boolean showContent, boolean showEmpty, boolean animate) {
+        handleLoadingContainer(mLoadingView, mContentView, mEmptyView,
+                showContent, showEmpty, animate);
     }
 
     /**
@@ -75,6 +108,25 @@
         setViewShown(content, done, animate);
     }
 
+    /**
+     * Show/hide loading view and content view and empty view.
+     *
+     * @param loading The loading spinner view
+     * @param content The content view
+     * @param empty The empty view shows no item summary to users.
+     * @param showContent    If true, content is set visible and loading is set invisible.
+     * @param showEmpty    If true, empty is set visible and loading is set invisible.
+     * @param animate Whether or not content/loading views should animate in/out.
+     */
+    public static void handleLoadingContainer(View loading, View content, View empty,
+            boolean showContent, boolean showEmpty, boolean animate) {
+        if (empty != null) {
+            setViewShown(empty, showEmpty, animate);
+        }
+        setViewShown(content, showContent, animate);
+        setViewShown(loading, !showContent && !showEmpty, animate);
+    }
+
     private static void setViewShown(final View view, boolean shown, boolean animate) {
         if (animate) {
             Animation animation = AnimationUtils.loadAnimation(view.getContext(),
diff --git a/tests/robotests/src/com/android/settings/accessibility/AnimatedImagePreferenceTest.java b/tests/robotests/src/com/android/settings/accessibility/AnimatedImagePreferenceTest.java
deleted file mode 100644
index c7e5b13..0000000
--- a/tests/robotests/src/com/android/settings/accessibility/AnimatedImagePreferenceTest.java
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source 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.
- */
-
-package com.android.settings.accessibility;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.verify;
-
-import android.content.ContentResolver;
-import android.content.Context;
-import android.graphics.drawable.AnimatedImageDrawable;
-import android.graphics.drawable.AnimatedVectorDrawable;
-import android.graphics.drawable.AnimationDrawable;
-import android.net.Uri;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-
-import androidx.preference.PreferenceViewHolder;
-
-import com.android.settings.R;
-
-import com.airbnb.lottie.LottieAnimationView;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.mockito.Spy;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-
-import java.io.InputStream;
-
-/** Tests for {@link AnimatedImagePreference}. */
-@RunWith(RobolectricTestRunner.class)
-public class AnimatedImagePreferenceTest {
-    private final Context mContext = RuntimeEnvironment.application;
-    private Uri mImageUri;
-    private PreferenceViewHolder mViewHolder;
-    private AnimatedImagePreference mAnimatedImagePreference;
-
-    @Mock
-    private ViewGroup mRootView;
-
-    @Spy
-    private ImageView mImageView;
-
-    @Before
-    public void init() {
-        MockitoAnnotations.initMocks(this);
-
-        mViewHolder = spy(PreferenceViewHolder.createInstanceForTests(mRootView));
-        doReturn(new LottieAnimationView(mContext)).when(mRootView).findViewById(R.id.lottie_view);
-        mImageView = spy(new ImageView(mContext));
-
-        mAnimatedImagePreference = new AnimatedImagePreference(mContext);
-        mImageUri = new Uri.Builder().build();
-    }
-
-    @Test
-    public void playAnimation_animatedImageDrawable_success() {
-        final AnimatedImageDrawable drawable = mock(AnimatedImageDrawable.class);
-        doReturn(mImageView).when(mRootView).findViewById(R.id.animated_img);
-        doReturn(drawable).when(mImageView).getDrawable();
-
-        mAnimatedImagePreference.setImageUri(mImageUri);
-        mAnimatedImagePreference.onBindViewHolder(mViewHolder);
-
-        verify(drawable).start();
-    }
-
-    @Test
-    public void playAnimation_animatedVectorDrawable_success() {
-        final AnimatedVectorDrawable drawable = mock(AnimatedVectorDrawable.class);
-        doReturn(mImageView).when(mRootView).findViewById(R.id.animated_img);
-        doReturn(drawable).when(mImageView).getDrawable();
-
-        mAnimatedImagePreference.setImageUri(mImageUri);
-        mAnimatedImagePreference.onBindViewHolder(mViewHolder);
-
-        verify(drawable).start();
-    }
-
-    @Test
-    public void playAnimation_animationDrawable_success() {
-        final AnimationDrawable drawable = mock(AnimationDrawable.class);
-        doReturn(mImageView).when(mRootView).findViewById(R.id.animated_img);
-        doReturn(drawable).when(mImageView).getDrawable();
-
-        mAnimatedImagePreference.setImageUri(mImageUri);
-        mAnimatedImagePreference.onBindViewHolder(mViewHolder);
-
-        verify(drawable).start();
-    }
-
-    @Test
-    public void setImageUri_viewNotExist_setFail() {
-        doReturn(null).when(mRootView).findViewById(R.id.animated_img);
-
-        mAnimatedImagePreference.setImageUri(mImageUri);
-        mAnimatedImagePreference.onBindViewHolder(mViewHolder);
-
-        verify(mImageView, never()).setImageURI(mImageUri);
-    }
-
-    @Test
-    public void setMaxHeight_success() {
-        final int maxHeight = 100;
-        doReturn(mImageView).when(mRootView).findViewById(R.id.animated_img);
-
-        mAnimatedImagePreference.setMaxHeight(maxHeight);
-        mAnimatedImagePreference.onBindViewHolder(mViewHolder);
-
-        assertThat(mImageView.getMaxHeight()).isEqualTo(maxHeight);
-    }
-
-    @Test
-    public void setImageUriAndRebindViewHolder_lottieImageFromRawFolder_setAnimation() {
-        final int fakeLottieResId = 111111;
-        final Uri lottieImageUri =
-                new Uri.Builder().scheme(ContentResolver.SCHEME_ANDROID_RESOURCE)
-                .authority(mContext.getPackageName())
-                .appendPath(String.valueOf(fakeLottieResId))
-                .build();
-        final LottieAnimationView lottieView = spy(new LottieAnimationView(mContext));
-        doReturn(mImageView).when(mRootView).findViewById(R.id.animated_img);
-        doReturn(lottieView).when(mRootView).findViewById(R.id.lottie_view);
-
-        mAnimatedImagePreference.setImageUri(lottieImageUri);
-        mAnimatedImagePreference.onBindViewHolder(mViewHolder);
-
-        verify(lottieView).setAnimation(any(InputStream.class), eq(null));
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/applications/manageapplications/ManageApplicationsTest.java b/tests/robotests/src/com/android/settings/applications/manageapplications/ManageApplicationsTest.java
index 86f5fe8..25eca7a 100644
--- a/tests/robotests/src/com/android/settings/applications/manageapplications/ManageApplicationsTest.java
+++ b/tests/robotests/src/com/android/settings/applications/manageapplications/ManageApplicationsTest.java
@@ -28,7 +28,6 @@
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
@@ -49,7 +48,6 @@
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
-import android.view.ViewGroup;
 import android.widget.SearchView;
 
 import androidx.fragment.app.FragmentActivity;
@@ -156,22 +154,6 @@
     }
 
     @Test
-    public void onCreateView_shouldNotShowLoadingContainer() {
-        ReflectionHelpers.setField(mFragment, "mResetAppsHelper", mock(ResetAppsHelper.class));
-        doNothing().when(mFragment).createHeader();
-
-        final LayoutInflater layoutInflater = mock(LayoutInflater.class);
-        final View view = mock(View.class);
-        final View loadingContainer = mock(View.class);
-        when(layoutInflater.inflate(anyInt(), eq(null))).thenReturn(view);
-        when(view.findViewById(R.id.loading_container)).thenReturn(loadingContainer);
-
-        mFragment.onCreateView(layoutInflater, mock(ViewGroup.class), null);
-
-        verify(loadingContainer, never()).setVisibility(View.VISIBLE);
-    }
-
-    @Test
     public void onCreateOptionsMenu_shouldSetSearchQueryListener() {
         final SearchView searchView = mock(SearchView.class);
         final MenuItem searchMenu = mock(MenuItem.class);
@@ -221,7 +203,6 @@
     @Test
     public void updateLoading_appLoaded_shouldNotDelayCallToHandleLoadingContainer() {
         ReflectionHelpers.setField(mFragment, "mLoadingContainer", mock(View.class));
-        ReflectionHelpers.setField(mFragment, "mListContainer", mock(View.class));
         final ManageApplications.ApplicationsAdapter adapter =
                 spy(new ManageApplications.ApplicationsAdapter(mState, mFragment,
                         AppFilterRegistry.getInstance().get(FILTER_APPS_ALL), new Bundle()));
@@ -243,7 +224,6 @@
     @Test
     public void updateLoading_appNotLoaded_shouldDelayCallToHandleLoadingContainer() {
         ReflectionHelpers.setField(mFragment, "mLoadingContainer", mock(View.class));
-        ReflectionHelpers.setField(mFragment, "mListContainer", mock(View.class));
         final ManageApplications.ApplicationsAdapter adapter =
                 spy(new ManageApplications.ApplicationsAdapter(mState, mFragment,
                         AppFilterRegistry.getInstance().get(FILTER_APPS_ALL), new Bundle()));
@@ -272,7 +252,6 @@
         when(listContainer.getVisibility()).thenReturn(View.INVISIBLE);
         when(listContainer.getContext()).thenReturn(context);
         ReflectionHelpers.setField(mFragment, "mLoadingContainer", loadingContainer);
-        ReflectionHelpers.setField(mFragment, "mListContainer", listContainer);
         final ManageApplications.ApplicationsAdapter adapter =
                 spy(new ManageApplications.ApplicationsAdapter(mState, mFragment,
                         AppFilterRegistry.getInstance().get(FILTER_APPS_ALL), new Bundle()));
@@ -296,7 +275,7 @@
 
         adapter.onRebuildComplete(null);
 
-        verify(loadingViewController).showContent(true /* animate */);
+        verify(loadingViewController).showEmpty(false /* animate */);
     }
 
     @Test
@@ -304,15 +283,16 @@
         final String query = "Test";
         final RecyclerView recyclerView = mock(RecyclerView.class);
         final View emptyView = mock(View.class);
+        final View loadingContainer = mock(View.class);
         ReflectionHelpers.setField(mFragment, "mRecyclerView", recyclerView);
         ReflectionHelpers.setField(mFragment, "mEmptyView", emptyView);
+        ReflectionHelpers.setField(mFragment, "mLoadingContainer", loadingContainer);
         final SearchView searchView = mock(SearchView.class);
         ReflectionHelpers.setField(mFragment, "mSearchView", searchView);
         when(searchView.isVisibleToUser()).thenReturn(true);
         when(searchView.getQuery()).thenReturn(query);
         final View listContainer = mock(View.class);
         when(listContainer.getVisibility()).thenReturn(View.VISIBLE);
-        ReflectionHelpers.setField(mFragment, "mListContainer", listContainer);
         ReflectionHelpers.setField(
                 mFragment, "mFilterAdapter", mock(ManageApplications.FilterSpinnerAdapter.class));
         final ArrayList<ApplicationsState.AppEntry> appList = new ArrayList<>();
@@ -491,8 +471,6 @@
         mFragment.mFilterAdapter.updateFilterView(true);
 
         assertThat(mFragment.mSpinnerHeader.getVisibility()).isEqualTo(View.VISIBLE);
-        assertThat(mFragment.mRecyclerView.getPaddingTop()).isEqualTo(
-                mContext.getResources().getDimensionPixelSize(R.dimen.app_bar_height));
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/biometrics/fingerprint/FingerprintProfileStatusPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/biometrics/fingerprint/FingerprintProfileStatusPreferenceControllerTest.java
index f4410a3..0fa4a9c 100644
--- a/tests/robotests/src/com/android/settings/biometrics/fingerprint/FingerprintProfileStatusPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/biometrics/fingerprint/FingerprintProfileStatusPreferenceControllerTest.java
@@ -101,4 +101,16 @@
 
         assertThat(mController.getAvailabilityStatus()).isEqualTo(DISABLED_FOR_USER);
     }
+
+    @Test
+    public void getPreferenceKey_byDefault_returnsDefaultValue() {
+        assertThat(mController.getPreferenceKey()).isEqualTo("fingerprint_settings_profile");
+    }
+
+    @Test
+    public void getPreferenceKey_whenGivenValue_returnsGivenValue() {
+        mController = new FingerprintProfileStatusPreferenceController(mContext, "key");
+
+        assertThat(mController.getPreferenceKey()).isEqualTo("key");
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceControllerTest.java
index 2bac8f1..afb1971 100644
--- a/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceControllerTest.java
@@ -48,7 +48,7 @@
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         mController = new EnterprisePrivacyPreferenceController(
-                mContext, mPrivacyPreferenceControllerHelper);
+                mContext, mPrivacyPreferenceControllerHelper, KEY_ENTERPRISE_PRIVACY);
     }
 
     @Test
@@ -90,7 +90,15 @@
     }
 
     @Test
-    public void testGetPreferenceKey() {
+    public void getPreferenceKey_byDefault_returnsDefaultValue() {
         assertThat(mController.getPreferenceKey()).isEqualTo(KEY_ENTERPRISE_PRIVACY);
     }
+
+    @Test
+    public void getPreferenceKey_whenGivenValue_returnsGivenValue() {
+        mController = new EnterprisePrivacyPreferenceController(
+                mContext, mPrivacyPreferenceControllerHelper, "key");
+
+        assertThat(mController.getPreferenceKey()).isEqualTo("key");
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/enterprise/FinancedPrivacyPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/FinancedPrivacyPreferenceControllerTest.java
index f8adf6f..61da68e 100644
--- a/tests/robotests/src/com/android/settings/enterprise/FinancedPrivacyPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/FinancedPrivacyPreferenceControllerTest.java
@@ -48,7 +48,7 @@
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         mController = new FinancedPrivacyPreferenceController(
-                mContext, mPrivacyPreferenceControllerHelper);
+                mContext, mPrivacyPreferenceControllerHelper, PREF_KEY_FINANCED_PRIVACY);
     }
 
     @Test
@@ -81,7 +81,15 @@
     }
 
     @Test
-    public void testGetPreferenceKey() {
+    public void getPreferenceKey_byDefault_returnsDefaultValue() {
         assertThat(mController.getPreferenceKey()).isEqualTo(PREF_KEY_FINANCED_PRIVACY);
     }
+
+    @Test
+    public void getPreferenceKey_whenGivenValue_returnsGivenValue() {
+        mController = new FinancedPrivacyPreferenceController(
+                mContext, mPrivacyPreferenceControllerHelper, "key");
+
+        assertThat(mController.getPreferenceKey()).isEqualTo("key");
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/security/LockUnificationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/LockUnificationPreferenceControllerTest.java
index be5593f..8a65e14 100644
--- a/tests/robotests/src/com/android/settings/security/LockUnificationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/LockUnificationPreferenceControllerTest.java
@@ -98,4 +98,18 @@
 
         assertThat(mController.isAvailable()).isTrue();
     }
+
+    @Test
+    public void getPreferenceKey_byDefault_returnsDefaultValue() {
+        init();
+
+        assertThat(mController.getPreferenceKey()).isEqualTo("unification");
+    }
+
+    @Test
+    public void getPreferenceKey_whenGivenValue_returnsGivenValue() {
+        mController = new LockUnificationPreferenceController(mContext, mHost, "key");
+
+        assertThat(mController.getPreferenceKey()).isEqualTo("key");
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/security/ScreenPinningPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/ScreenPinningPreferenceControllerTest.java
index 9b041d4..f63f4c1 100644
--- a/tests/robotests/src/com/android/settings/security/ScreenPinningPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/ScreenPinningPreferenceControllerTest.java
@@ -89,4 +89,16 @@
         assertThat(mPreference.getSummary())
                 .isEqualTo(mContext.getString(R.string.switch_on_text));
     }
+
+    @Test
+    public void getPreferenceKey_byDefault_returnsDefaultValue() {
+        assertThat(mController.getPreferenceKey()).isEqualTo("screen_pinning_settings");
+    }
+
+    @Test
+    public void getPreferenceKey_whenGivenValue_returnsGivenValue() {
+        mController = new ScreenPinningPreferenceController(mContext, "key");
+
+        assertThat(mController.getPreferenceKey()).isEqualTo("key");
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/security/SimLockPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/SimLockPreferenceControllerTest.java
index 0ab4256..6f9c1ba 100644
--- a/tests/robotests/src/com/android/settings/security/SimLockPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/SimLockPreferenceControllerTest.java
@@ -65,6 +65,7 @@
 
     private SimLockPreferenceController mController;
     private Preference mPreference;
+    private Context mContext;
 
     @Before
     public void setUp() {
@@ -75,8 +76,9 @@
         shadowApplication.setSystemService(Context.CARRIER_CONFIG_SERVICE, mCarrierManager);
         shadowApplication.setSystemService(Context.USER_SERVICE, mUserManager);
         shadowApplication.setSystemService(Context.TELEPHONY_SERVICE, mTelephonyManager);
-        mController = new SimLockPreferenceController(RuntimeEnvironment.application);
-        mPreference = new Preference(RuntimeEnvironment.application);
+        mContext = RuntimeEnvironment.application;
+        mController = new SimLockPreferenceController(mContext);
+        mPreference = new Preference(mContext);
         mPreference.setKey(mController.getPreferenceKey());
         when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
     }
@@ -136,6 +138,18 @@
         assertThat(mPreference.isEnabled()).isTrue();
     }
 
+    @Test
+    public void getPreferenceKey_byDefault_returnsDefaultValue() {
+        assertThat(mController.getPreferenceKey()).isEqualTo("sim_lock_settings");
+    }
+
+    @Test
+    public void getPreferenceKey_whenGivenValue_returnsGivenValue() {
+        mController = new SimLockPreferenceController(mContext, "key");
+
+        assertThat(mController.getPreferenceKey()).isEqualTo("key");
+    }
+
     private void setupMockIcc() {
         final List<SubscriptionInfo> subscriptionInfoList = new ArrayList<>();
         SubscriptionInfo info = mock(SubscriptionInfo.class);
diff --git a/tests/robotests/src/com/android/settings/security/VisiblePatternProfilePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/VisiblePatternProfilePreferenceControllerTest.java
index e474b2b..11d7016 100644
--- a/tests/robotests/src/com/android/settings/security/VisiblePatternProfilePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/VisiblePatternProfilePreferenceControllerTest.java
@@ -115,4 +115,16 @@
 
         assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
     }
+
+    @Test
+    public void getPreferenceKey_byDefault_returnsDefaultValue() {
+        assertThat(mController.getPreferenceKey()).isEqualTo("visiblepattern_profile");
+    }
+
+    @Test
+    public void getPreferenceKey_whenGivenValue_returnsGivenValue() {
+        mController = new VisiblePatternProfilePreferenceController(mContext, mLifecycle, "key");
+
+        assertThat(mController.getPreferenceKey()).isEqualTo("key");
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceControllerTest.java
index 9be374c..a7a3b64 100644
--- a/tests/robotests/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceControllerTest.java
@@ -117,4 +117,16 @@
                 .isEqualTo(mContext.getResources().getQuantityString(
                         R.plurals.manage_trust_agents_summary_on, 1, 1));
     }
+
+    @Test
+    public void getPreferenceKey_byDefault_returnsDefaultValue() {
+        assertThat(mController.getPreferenceKey()).isEqualTo("manage_trust_agents");
+    }
+
+    @Test
+    public void getPreferenceKey_whenGivenValue_returnsGivenValue() {
+        mController = new ManageTrustAgentsPreferenceController(mContext, "key");
+
+        assertThat(mController.getPreferenceKey()).isEqualTo("key");
+    }
 }
diff --git a/tests/unit/src/com/android/settings/enterprise/ActionDisabledLearnMoreButtonLauncherImplTest.java b/tests/unit/src/com/android/settings/enterprise/ActionDisabledLearnMoreButtonLauncherImplTest.java
index 4f7ecc8..0b0b8e5 100644
--- a/tests/unit/src/com/android/settings/enterprise/ActionDisabledLearnMoreButtonLauncherImplTest.java
+++ b/tests/unit/src/com/android/settings/enterprise/ActionDisabledLearnMoreButtonLauncherImplTest.java
@@ -111,7 +111,7 @@
 
     @Test
     public void showHelpPage_works() {
-        mImpl.showHelpPage(mActivity, URL);
+        mImpl.showHelpPage(mActivity, URL, CONTEXT_USER);
 
         verify(mActivity).startActivityAsUser(mIntentCaptor.capture(), eq(CONTEXT_USER));
         assertActionViewIntent(mIntentCaptor.getValue());