diff --git a/AndroidManifest-common.xml b/AndroidManifest-common.xml
index fe8d65e..211e1ff 100644
--- a/AndroidManifest-common.xml
+++ b/AndroidManifest-common.xml
@@ -81,7 +81,7 @@
         </receiver>
 
         <service
-            android:name="com.android.launcher3.compat.WallpaperManagerCompatVL$ColorExtractionService"
+            android:name="com.android.launcher3.uioverrides.dynamicui.WallpaperManagerCompatVL$ColorExtractionService"
             android:exported="false"
             android:process=":wallpaper_chooser"
             android:permission="android.permission.BIND_JOB_SERVICE" />
diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index c76ad83..ac38906 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -19,6 +19,7 @@
 -->
 <manifest
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.android.launcher3" >
 
     <uses-sdk android:targetSdkVersion="28" android:minSdkVersion="28"/>
@@ -70,6 +71,12 @@
                 <action android:name="android.content.action.SEARCH_INDEXABLES_PROVIDER" />
             </intent-filter>
         </provider>
+
+
+        <service
+            android:name="com.android.launcher3.uioverrides.dynamicui.WallpaperManagerCompatVL$ColorExtractionService"
+            tools:node="remove" />
+
     </application>
 
 </manifest>
diff --git a/quickstep/libs/sysui_shared.jar b/quickstep/libs/sysui_shared.jar
index 120d6f9..398bd3c 100644
--- a/quickstep/libs/sysui_shared.jar
+++ b/quickstep/libs/sysui_shared.jar
Binary files differ
diff --git a/quickstep/src/com/android/launcher3/uioverrides/WallpaperColorInfo.java b/quickstep/src/com/android/launcher3/uioverrides/WallpaperColorInfo.java
new file mode 100644
index 0000000..8218517
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/uioverrides/WallpaperColorInfo.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2018 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.launcher3.uioverrides;
+
+import static android.app.WallpaperManager.FLAG_SYSTEM;
+
+import android.annotation.TargetApi;
+import android.app.WallpaperColors;
+import android.app.WallpaperManager;
+import android.app.WallpaperManager.OnColorsChangedListener;
+import android.content.Context;
+import android.os.Build;
+import android.os.Handler;
+import android.os.Looper;
+
+import com.android.systemui.shared.system.TonalCompat;
+import com.android.systemui.shared.system.TonalCompat.ExtractionInfo;
+
+import java.util.ArrayList;
+
+@TargetApi(Build.VERSION_CODES.P)
+public class WallpaperColorInfo implements OnColorsChangedListener {
+
+    private static final Object sInstanceLock = new Object();
+    private static WallpaperColorInfo sInstance;
+
+    public static WallpaperColorInfo getInstance(Context context) {
+        synchronized (sInstanceLock) {
+            if (sInstance == null) {
+                sInstance = new WallpaperColorInfo(context.getApplicationContext());
+            }
+            return sInstance;
+        }
+    }
+
+    private final ArrayList<OnChangeListener> mListeners = new ArrayList<>();
+    private final WallpaperManager mWallpaperManager;
+    private final TonalCompat mTonalCompat;
+
+    private ExtractionInfo mExtractionInfo;
+
+    private OnChangeListener[] mTempListeners = new OnChangeListener[0];
+
+    private WallpaperColorInfo(Context context) {
+        mWallpaperManager = context.getSystemService(WallpaperManager.class);
+        mTonalCompat = new TonalCompat(context);
+
+        mWallpaperManager.addOnColorsChangedListener(this, new Handler(Looper.getMainLooper()));
+        update(mWallpaperManager.getWallpaperColors(FLAG_SYSTEM));
+    }
+
+    public int getMainColor() {
+        return mExtractionInfo.mainColor;
+    }
+
+    public int getSecondaryColor() {
+        return mExtractionInfo.secondaryColor;
+    }
+
+    public boolean isDark() {
+        return mExtractionInfo.supportsDarkTheme;
+    }
+
+    public boolean supportsDarkText() {
+        return mExtractionInfo.supportsDarkText;
+    }
+
+    @Override
+    public void onColorsChanged(WallpaperColors colors, int which) {
+        if ((which & FLAG_SYSTEM) != 0) {
+            update(colors);
+            notifyChange();
+        }
+    }
+
+    private void update(WallpaperColors wallpaperColors) {
+        mExtractionInfo = mTonalCompat.extractDarkColors(wallpaperColors);
+    }
+
+    public void addOnChangeListener(OnChangeListener listener) {
+        mListeners.add(listener);
+    }
+
+    public void removeOnChangeListener(OnChangeListener listener) {
+        mListeners.remove(listener);
+    }
+
+    private void notifyChange() {
+        // Create a new array to avoid concurrent modification when the activity destroys itself.
+        mTempListeners = mListeners.toArray(mTempListeners);
+        for (OnChangeListener listener : mTempListeners) {
+            if (listener != null) {
+                listener.onExtractedColorsChanged(this);
+            }
+        }
+    }
+
+    public interface OnChangeListener {
+        void onExtractedColorsChanged(WallpaperColorInfo wallpaperColorInfo);
+    }
+}
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index bde9ad3..1400432 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -34,7 +34,7 @@
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.badge.BadgeInfo;
 import com.android.launcher3.compat.LauncherAppsCompat;
-import com.android.launcher3.dynamicui.WallpaperColorInfo;
+import com.android.launcher3.uioverrides.WallpaperColorInfo;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.views.BaseDragLayer;
 
diff --git a/src/com/android/launcher3/graphics/ColorScrim.java b/src/com/android/launcher3/graphics/ColorScrim.java
index 1ffce18..96d93d8 100644
--- a/src/com/android/launcher3/graphics/ColorScrim.java
+++ b/src/com/android/launcher3/graphics/ColorScrim.java
@@ -23,7 +23,7 @@
 
 import com.android.launcher3.R;
 import com.android.launcher3.anim.Interpolators;
-import com.android.launcher3.dynamicui.WallpaperColorInfo;
+import com.android.launcher3.uioverrides.WallpaperColorInfo;
 
 /**
  * Simple scrim which draws a color
diff --git a/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java b/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java
index 2318a77..5c991e9 100644
--- a/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java
+++ b/src/com/android/launcher3/graphics/WorkspaceAndHotseatScrim.java
@@ -34,7 +34,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
-import com.android.launcher3.dynamicui.WallpaperColorInfo;
+import com.android.launcher3.uioverrides.WallpaperColorInfo;
 
 /**
  * View scrim which draws behind hotseat and workspace
diff --git a/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java b/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
index 1383f53..654e593 100644
--- a/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
+++ b/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
@@ -24,7 +24,7 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.dynamicui.WallpaperColorInfo;
+import com.android.launcher3.uioverrides.WallpaperColorInfo;
 
 /**
  * A PageIndicator that briefly shows a fraction of a line when moving between pages
diff --git a/src/com/android/launcher3/dynamicui/WallpaperColorInfo.java b/src_ui_overrides/com/android/launcher3/uioverrides/WallpaperColorInfo.java
similarity index 76%
rename from src/com/android/launcher3/dynamicui/WallpaperColorInfo.java
rename to src_ui_overrides/com/android/launcher3/uioverrides/WallpaperColorInfo.java
index 32605a2..2107094 100644
--- a/src/com/android/launcher3/dynamicui/WallpaperColorInfo.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/WallpaperColorInfo.java
@@ -1,11 +1,28 @@
-package com.android.launcher3.dynamicui;
+/*
+ * Copyright (C) 2018 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.launcher3.uioverrides;
 
 import android.content.Context;
 import android.graphics.Color;
 import android.util.Pair;
 
-import com.android.launcher3.compat.WallpaperColorsCompat;
-import com.android.launcher3.compat.WallpaperManagerCompat;
+import com.android.launcher3.uioverrides.dynamicui.WallpaperColorsCompat;
+import com.android.launcher3.uioverrides.dynamicui.WallpaperManagerCompat;
+import com.android.launcher3.uioverrides.dynamicui.ColorExtractionAlgorithm;
 
 import java.util.ArrayList;
 
@@ -78,10 +95,10 @@
         }
         mSupportsDarkText = wallpaperColors != null
                 ? (wallpaperColors.getColorHints()
-                    & WallpaperColorsCompat.HINT_SUPPORTS_DARK_TEXT) > 0 : false;
+                & WallpaperColorsCompat.HINT_SUPPORTS_DARK_TEXT) > 0 : false;
         mIsDark = wallpaperColors != null
                 ? (wallpaperColors.getColorHints()
-                    & WallpaperColorsCompat.HINT_SUPPORTS_DARK_THEME) > 0 : false;
+                & WallpaperColorsCompat.HINT_SUPPORTS_DARK_THEME) > 0 : false;
     }
 
     public void addOnChangeListener(OnChangeListener listener) {
@@ -107,4 +124,4 @@
     public interface OnChangeListener {
         void onExtractedColorsChanged(WallpaperColorInfo wallpaperColorInfo);
     }
-}
+}
\ No newline at end of file
diff --git a/src/com/android/launcher3/dynamicui/ColorExtractionAlgorithm.java b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/ColorExtractionAlgorithm.java
similarity index 99%
rename from src/com/android/launcher3/dynamicui/ColorExtractionAlgorithm.java
rename to src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/ColorExtractionAlgorithm.java
index baedf90..0444212 100644
--- a/src/com/android/launcher3/dynamicui/ColorExtractionAlgorithm.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/ColorExtractionAlgorithm.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.launcher3.dynamicui;
+package com.android.launcher3.uioverrides.dynamicui;
 
 import android.content.Context;
 import android.graphics.Color;
@@ -27,7 +27,6 @@
 
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.compat.WallpaperColorsCompat;
 
 import java.util.Arrays;
 import java.util.LinkedList;
diff --git a/src/com/android/launcher3/compat/WallpaperColorsCompat.java b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperColorsCompat.java
similarity index 96%
rename from src/com/android/launcher3/compat/WallpaperColorsCompat.java
rename to src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperColorsCompat.java
index e25b9d9..d984a84 100644
--- a/src/com/android/launcher3/compat/WallpaperColorsCompat.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperColorsCompat.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.android.launcher3.compat;
+package com.android.launcher3.uioverrides.dynamicui;
 
 /**
  * A compatibility layer around platform implementation of WallpaperColors
diff --git a/src/com/android/launcher3/compat/WallpaperManagerCompat.java b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompat.java
similarity index 96%
rename from src/com/android/launcher3/compat/WallpaperManagerCompat.java
rename to src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompat.java
index 6605ace..5c533ff 100644
--- a/src/com/android/launcher3/compat/WallpaperManagerCompat.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompat.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.launcher3.compat;
+package com.android.launcher3.uioverrides.dynamicui;
 
 import android.content.Context;
 import android.support.annotation.Nullable;
diff --git a/src/com/android/launcher3/compat/WallpaperManagerCompatVL.java b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVL.java
similarity index 98%
rename from src/com/android/launcher3/compat/WallpaperManagerCompatVL.java
rename to src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVL.java
index 299f090..4a8bbbd 100644
--- a/src/com/android/launcher3/compat/WallpaperManagerCompatVL.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVL.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.android.launcher3.compat;
+package com.android.launcher3.uioverrides.dynamicui;
 
 import static android.app.WallpaperManager.FLAG_SYSTEM;
 
@@ -58,7 +58,7 @@
     private static final String VERSION_PREFIX = "1,";
     private static final String KEY_COLORS = "wallpaper_parsed_colors";
     private static final String ACTION_EXTRACTION_COMPLETE =
-            "com.android.launcher3.compat.WallpaperManagerCompatVL.EXTRACTION_COMPLETE";
+            "com.android.launcher3.uioverrides.dynamicui.WallpaperManagerCompatVL.EXTRACTION_COMPLETE";
 
     private final ArrayList<OnColorsChangedListenerCompat> mListeners = new ArrayList<>();
 
diff --git a/src/com/android/launcher3/compat/WallpaperManagerCompatVOMR1.java b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVOMR1.java
similarity index 97%
rename from src/com/android/launcher3/compat/WallpaperManagerCompatVOMR1.java
rename to src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVOMR1.java
index 524f266..4509e05 100644
--- a/src/com/android/launcher3/compat/WallpaperManagerCompatVOMR1.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVOMR1.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.android.launcher3.compat;
+package com.android.launcher3.uioverrides.dynamicui;
 
 import android.annotation.TargetApi;
 import android.app.WallpaperColors;
@@ -26,7 +26,6 @@
 
 import java.lang.reflect.Method;
 
-
 @TargetApi(27)
 public class WallpaperManagerCompatVOMR1 extends WallpaperManagerCompat {