diff --git a/Android.bp b/Android.bp
index e30d22f..7e6a565 100644
--- a/Android.bp
+++ b/Android.bp
@@ -115,6 +115,9 @@
     manifest: "AndroidManifest-common.xml",
     sdk_version: "current",
     min_sdk_version: "26",
+    lint: {
+        baseline_filename: "lint-baseline-res-lib.xml",
+    },
 }
 
 //
@@ -127,6 +130,9 @@
     sdk_version: "current",
     min_sdk_version: "26",
     manifest: "AndroidManifest-common.xml",
+    lint: {
+        baseline_filename: "lint-baseline-common-deps-lib.xml",
+    },
 }
 
 //
@@ -171,6 +177,9 @@
     additional_manifests: [
         "AndroidManifest-common.xml",
     ],
+    lint: {
+        baseline_filename: "lint-baseline-launcher3.xml",
+    },
 }
 
 // Library with all the dependencies for building quickstep
@@ -211,3 +220,33 @@
     name: "launcher-proguard-rules",
     srcs: ["proguard.flags"],
 }
+
+
+// Library with all the dependencies for building Launcher Go
+android_library {
+    name: "LauncherGoResLib",
+    srcs: [
+        "src/**/*.java",
+        "quickstep/src/**/*.java",
+        "go/src/**/*.java",
+        "go/quickstep/src/**/*.java",
+    ],
+    resource_dirs: [
+        "go/res",
+        "go/quickstep/res",
+    ],
+    static_libs: [
+        "Launcher3CommonDepsLib",
+        "QuickstepResLib",
+    ],
+    manifest: "quickstep/AndroidManifest-launcher.xml",
+    additional_manifests: [
+        "go/AndroidManifest.xml",
+        "AndroidManifest-common.xml",
+    ],
+    min_sdk_version: "29",
+    lint: {
+        baseline_filename: "lint-baseline-go-res-lib.xml",
+    },
+}
+
diff --git a/lint-baseline-common-deps-lib.xml b/lint-baseline-common-deps-lib.xml
new file mode 100644
index 0000000..e52f8fb
--- /dev/null
+++ b/lint-baseline-common-deps-lib.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="`?android:attr/dialogCornerRadius` requires API level 28 (current min is 26)"
+        errorLine1="        android:topLeftRadius=&quot;?android:attr/dialogCornerRadius&quot;"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/res/drawable/add_item_dialog_background.xml"
+            line="6"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`?android:attr/dialogCornerRadius` requires API level 28 (current min is 26)"
+        errorLine1="        android:topRightRadius=&quot;?android:attr/dialogCornerRadius&quot; />"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/res/drawable/add_item_dialog_background.xml"
+            line="7"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`@android:style/Widget.DeviceDefault.Button.Colored` requires API level 28 (current min is 26)"
+        errorLine1="    &lt;style name=&quot;Widget.DeviceDefault.Button.Rounded.Colored&quot; parent=&quot;@android:style/Widget.DeviceDefault.Button.Colored&quot;>"
+        errorLine2="                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/res/values/styles.xml"
+            line="287"
+            column="63"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`@android:dimen/system_app_widget_background_radius` requires API level 31 (current min is 26)"
+        errorLine1="    &lt;corners android:radius=&quot;@android:dimen/system_app_widget_background_radius&quot; />"
+        errorLine2="             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/res/drawable/widget_resize_frame.xml"
+            line="20"
+            column="14"/>
+    </issue>
+
+</issues>
diff --git a/lint-baseline-go-res-lib.xml b/lint-baseline-go-res-lib.xml
new file mode 100644
index 0000000..c5669f2
--- /dev/null
+++ b/lint-baseline-go-res-lib.xml
@@ -0,0 +1,576 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.View#getWindowInsetsController`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsContainerView.java"
+            line="203"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.WindowInsets.Type#ime`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                                           ~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsContainerView.java"
+            line="203"
+            column="60"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.WindowInsetsController#hide`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                    ~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsContainerView.java"
+            line="203"
+            column="37"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.View#getWindowInsetsController`"
+        errorLine1="                getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                ~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsRecyclerView.java"
+            line="193"
+            column="17"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.WindowInsets.Type#ime`"
+        errorLine1="                getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                                                   ~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsRecyclerView.java"
+            line="193"
+            column="68"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.WindowInsetsController#hide`"
+        errorLine1="                getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                            ~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsRecyclerView.java"
+            line="193"
+            column="45"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 29): `android.appwidget.AppWidgetHostView#updateAppWidgetSize`"
+        errorLine1="            widgetView.updateAppWidgetSize(new Bundle(), sizes);"
+        errorLine2="                       ~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/AppWidgetResizeFrame.java"
+            line="399"
+            column="24"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 29): `android.graphics.Rect#inset`"
+        errorLine1="        potentialTaskRect.inset(insets.left, insets.top, insets.right, insets.bottom);"
+        errorLine2="                          ~~~~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/quickstep/BaseActivityInterface.java"
+            line="248"
+            column="27"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 29): `android.graphics.Rect#inset`"
+        errorLine1="        potentialTaskRect.inset("
+        errorLine2="                          ~~~~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/quickstep/BaseActivityInterface.java"
+            line="249"
+            column="27"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 29): `android.graphics.Rect#inset`"
+        errorLine1="        outRect.inset(Math.max(insets.left, sideMargin), Math.max(insets.top, topMargin),"
+        errorLine2="                ~~~~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/quickstep/BaseActivityInterface.java"
+            line="291"
+            column="17"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 29): `android.graphics.Rect#inset`"
+        errorLine1="        gridRect.inset(0, dp.overviewTaskThumbnailTopMarginPx, 0, 0);"
+        errorLine2="                 ~~~~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/quickstep/BaseActivityInterface.java"
+            line="315"
+            column="18"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.WindowManager#getCurrentWindowMetrics`"
+        errorLine1="                    .getCurrentWindowMetrics().getWindowInsets();"
+        errorLine2="                     ~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/DeviceProfile.java"
+            line="236"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.WindowMetrics#getWindowInsets`"
+        errorLine1="                    .getCurrentWindowMetrics().getWindowInsets();"
+        errorLine2="                                               ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/DeviceProfile.java"
+            line="236"
+            column="48"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.content.Context#getDisplay`"
+        errorLine1="            if (mContext.getDisplay() != null) {"
+        errorLine2="                         ~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/quickstep/interaction/EdgeBackGestureHandler.java"
+            line="115"
+            column="26"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.content.Context#getDisplay`"
+        errorLine1="                mContext.getDisplay().getRealSize(mDisplaySize);"
+        errorLine2="                         ~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/quickstep/interaction/EdgeBackGestureHandler.java"
+            line="116"
+            column="26"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.content.ContextWrapper#getDisplay`"
+        errorLine1="        Display display = getDisplay();"
+        errorLine2="                          ~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/quickstep/interaction/GestureSandboxActivity.java"
+            line="153"
+            column="27"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `java.util.List#of`"
+        errorLine1="                    List.of(new Rect(0, 0, metrics.widthPixels, metrics.heightPixels)));"
+        errorLine2="                         ~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/quickstep/interaction/GestureSandboxActivity.java"
+            line="158"
+            column="26"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 29): `android.appwidget.AppWidgetHostView#resetColorResources`"
+        errorLine1="            resetColorResources();"
+        errorLine2="            ~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java"
+            line="137"
+            column="13"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `java.util.List#of`"
+        errorLine1="            mColorExtractor.addLocation(List.of(mLastLocationRegistered));"
+        errorLine2="                                             ~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java"
+            line="367"
+            column="46"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `java.util.List#of`"
+        errorLine1="                mColorExtractor.addLocation(List.of(mLastLocationRegistered));"
+        errorLine2="                                                 ~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java"
+            line="390"
+            column="50"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#maxResizeWidth`"
+        errorLine1="                (ATLEAST_S &amp;&amp; maxResizeWidth > 0)"
+        errorLine2="                              ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="91"
+            column="31"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#maxResizeWidth`"
+        errorLine1="                        ? getSpanX(widgetPadding, maxResizeWidth, smallestCellWidth)"
+        errorLine2="                                                  ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="92"
+            column="51"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#maxResizeHeight`"
+        errorLine1="                (ATLEAST_S &amp;&amp; maxResizeHeight > 0)"
+        errorLine2="                              ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="95"
+            column="31"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#maxResizeHeight`"
+        errorLine1="                        ? getSpanY(widgetPadding, maxResizeHeight, smallestCellHeight)"
+        errorLine2="                                                  ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="96"
+            column="51"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#targetCellWidth`"
+        errorLine1="        if (ATLEAST_S &amp;&amp; targetCellWidth >= minSpanX &amp;&amp; targetCellWidth &lt;= maxSpanX"
+        errorLine2="                         ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="101"
+            column="26"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#targetCellWidth`"
+        errorLine1="        if (ATLEAST_S &amp;&amp; targetCellWidth >= minSpanX &amp;&amp; targetCellWidth &lt;= maxSpanX"
+        errorLine2="                                                        ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="101"
+            column="57"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#targetCellHeight`"
+        errorLine1="                &amp;&amp; targetCellHeight >= minSpanY &amp;&amp; targetCellHeight &lt;= maxSpanY) {"
+        errorLine2="                   ~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="102"
+            column="20"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#targetCellHeight`"
+        errorLine1="                &amp;&amp; targetCellHeight >= minSpanY &amp;&amp; targetCellHeight &lt;= maxSpanY) {"
+        errorLine2="                                                   ~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="102"
+            column="52"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#targetCellWidth`"
+        errorLine1="            spanX = targetCellWidth;"
+        errorLine2="                    ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="103"
+            column="21"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#targetCellHeight`"
+        errorLine1="            spanY = targetCellHeight;"
+        errorLine2="                    ~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="104"
+            column="21"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.content.Context#getDisplay`"
+        errorLine1="        final Display display = mContext.getDisplay();"
+        errorLine2="                                         ~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/quickstep/interaction/NavBarGestureHandler.java"
+            line="94"
+            column="42"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 29): `android.content.pm.LauncherActivityInfo#getLoadingProgress`"
+        errorLine1="            return (int) (100 * info.getLoadingProgress());"
+        errorLine2="                                     ~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/util/PackageManagerHelper.java"
+            line="338"
+            column="38"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `java.util.List#of`"
+        errorLine1="    private List&lt;WidgetsListBaseEntry> mAllWidgets = List.of();"
+        errorLine2="                                                          ~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/popup/PopupDataProvider.java"
+            line="64"
+            column="59"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `java.util.List#of`"
+        errorLine1="    private List&lt;ItemInfo> mRecommendedWidgets = List.of();"
+        errorLine2="                                                      ~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/popup/PopupDataProvider.java"
+            line="66"
+            column="55"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `new android.view.SurfaceControlViewHost`"
+        errorLine1="                    .submit(() -> new SurfaceControlViewHost(mContext, mDisplay, mHostToken))"
+        errorLine2="                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java"
+            line="91"
+            column="35"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.SurfaceControlViewHost#getSurfacePackage`"
+        errorLine1="            surfacePackage = mSurfaceControlViewHost.getSurfacePackage();"
+        errorLine2="                                                     ~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java"
+            line="93"
+            column="54"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.SurfaceControlViewHost#setView`"
+        errorLine1="                host.setView(view, view.getMeasuredWidth(), view.getMeasuredHeight());"
+        errorLine2="                     ~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java"
+            line="127"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Cast from `SurfacePackage` to `Parcelable` requires API level 30 (current min is 29)"
+        errorLine1="        result.putParcelable(KEY_SURFACE_PACKAGE, surfacePackage);"
+        errorLine2="                                                  ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java"
+            line="132"
+            column="51"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.SurfaceControlViewHost#release`"
+        errorLine1="                mSurfaceControlViewHost.release();"
+        errorLine2="                                        ~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java"
+            line="149"
+            column="41"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.graphics.Outline#setPath`"
+        errorLine1="        outline.setPath(mPath);"
+        errorLine2="                ~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/popup/RoundedArrowDrawable.java"
+            line="88"
+            column="17"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 29): `new android.widget.EdgeEffect`"
+        errorLine1="                ? new EdgeEffect(context, attrs) : new EdgeEffect(context);"
+        errorLine2="                  ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/views/SpringRelativeLayout.java"
+            line="49"
+            column="19"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 29): `new android.widget.EdgeEffect`"
+        errorLine1="                ? new EdgeEffect(context, attrs) : new EdgeEffect(context);"
+        errorLine2="                  ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/views/SpringRelativeLayout.java"
+            line="51"
+            column="19"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.WindowManager.LayoutParams#setFitInsetsTypes`"
+        errorLine1="        mWindowLayoutParams.setFitInsetsTypes(0);"
+        errorLine2="                            ~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/launcher3/taskbar/TaskbarController.java"
+            line="316"
+            column="29"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.WindowInsets#getInsets`"
+        errorLine1="            Insets systemInsets = insets.getInsets(WindowInsets.Type.systemBars());"
+        errorLine2="                                         ~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/quickstep/interaction/TutorialFragment.java"
+            line="118"
+            column="42"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.WindowInsets.Type#systemBars`"
+        errorLine1="            Insets systemInsets = insets.getInsets(WindowInsets.Type.systemBars());"
+        errorLine2="                                                                     ~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/quickstep/src/com/android/quickstep/interaction/TutorialFragment.java"
+            line="118"
+            column="70"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#loadDescription`"
+        errorLine1="            CharSequence description = mItem.widgetInfo.loadDescription(getContext());"
+        errorLine2="                                                        ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/WidgetCell.java"
+            line="193"
+            column="57"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#previewLayout`"
+        errorLine1="                &amp;&amp; item.widgetInfo.previewLayout != Resources.ID_NULL) {"
+        errorLine2="                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/WidgetCell.java"
+            line="214"
+            column="20"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 29): `android.appwidget.AppWidgetProviderInfo#previewLayout`"
+        errorLine1="            launcherAppWidgetProviderInfo.initialLayout = item.widgetInfo.previewLayout;"
+        errorLine2="                                                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/WidgetCell.java"
+            line="222"
+            column="59"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.View#getWindowInsetsController`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java"
+            line="558"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.WindowInsets.Type#ime`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                                           ~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java"
+            line="558"
+            column="60"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.view.WindowInsetsController#hide`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                    ~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java"
+            line="558"
+            column="37"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `java.util.List#of`"
+        errorLine1="            return new RecommendationTableData(List.of(), previewScale);"
+        errorLine2="                                                    ~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/picker/WidgetsRecommendationTableLayout.java"
+            line="139"
+            column="53"/>
+    </issue>
+
+</issues>
diff --git a/lint-baseline-launcher3.xml b/lint-baseline-launcher3.xml
new file mode 100644
index 0000000..469ad94
--- /dev/null
+++ b/lint-baseline-launcher3.xml
@@ -0,0 +1,576 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.View#getWindowInsetsController`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsContainerView.java"
+            line="203"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.WindowInsets.Type#ime`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                                           ~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsContainerView.java"
+            line="203"
+            column="60"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.WindowInsetsController#hide`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                    ~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsContainerView.java"
+            line="203"
+            column="37"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.View#getWindowInsetsController`"
+        errorLine1="                getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                ~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsRecyclerView.java"
+            line="193"
+            column="17"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.WindowInsets.Type#ime`"
+        errorLine1="                getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                                                   ~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsRecyclerView.java"
+            line="193"
+            column="68"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.WindowInsetsController#hide`"
+        errorLine1="                getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                            ~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/allapps/AllAppsRecyclerView.java"
+            line="193"
+            column="45"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 26): `android.appwidget.AppWidgetHostView#updateAppWidgetSize`"
+        errorLine1="            widgetView.updateAppWidgetSize(new Bundle(), sizes);"
+        errorLine2="                       ~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/AppWidgetResizeFrame.java"
+            line="399"
+            column="24"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.WindowManager#getCurrentWindowMetrics`"
+        errorLine1="                    .getCurrentWindowMetrics().getWindowInsets();"
+        errorLine2="                     ~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/DeviceProfile.java"
+            line="236"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.WindowMetrics#getWindowInsets`"
+        errorLine1="                    .getCurrentWindowMetrics().getWindowInsets();"
+        errorLine2="                                               ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/DeviceProfile.java"
+            line="236"
+            column="48"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.content.res.Resources#getFloat`"
+        errorLine1="        folderLabelTextScale = res.getFloat(R.dimen.folder_label_text_scale);"
+        errorLine2="                                   ~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/DeviceProfile.java"
+            line="256"
+            column="36"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.content.res.Resources#getFloat`"
+        errorLine1="        return mContext.getResources().getFloat(resId);"
+        errorLine2="                                       ~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/util/DynamicResource.java"
+            line="73"
+            column="40"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 26): `android.appwidget.AppWidgetHostView#resetColorResources`"
+        errorLine1="            resetColorResources();"
+        errorLine2="            ~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java"
+            line="137"
+            column="13"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `java.util.List#of`"
+        errorLine1="            mColorExtractor.addLocation(List.of(mLastLocationRegistered));"
+        errorLine2="                                             ~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java"
+            line="367"
+            column="46"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `java.util.List#of`"
+        errorLine1="                mColorExtractor.addLocation(List.of(mLastLocationRegistered));"
+        errorLine2="                                                 ~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java"
+            line="390"
+            column="50"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#maxResizeWidth`"
+        errorLine1="                (ATLEAST_S &amp;&amp; maxResizeWidth > 0)"
+        errorLine2="                              ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="91"
+            column="31"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#maxResizeWidth`"
+        errorLine1="                        ? getSpanX(widgetPadding, maxResizeWidth, smallestCellWidth)"
+        errorLine2="                                                  ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="92"
+            column="51"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#maxResizeHeight`"
+        errorLine1="                (ATLEAST_S &amp;&amp; maxResizeHeight > 0)"
+        errorLine2="                              ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="95"
+            column="31"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#maxResizeHeight`"
+        errorLine1="                        ? getSpanY(widgetPadding, maxResizeHeight, smallestCellHeight)"
+        errorLine2="                                                  ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="96"
+            column="51"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#targetCellWidth`"
+        errorLine1="        if (ATLEAST_S &amp;&amp; targetCellWidth >= minSpanX &amp;&amp; targetCellWidth &lt;= maxSpanX"
+        errorLine2="                         ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="101"
+            column="26"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#targetCellWidth`"
+        errorLine1="        if (ATLEAST_S &amp;&amp; targetCellWidth >= minSpanX &amp;&amp; targetCellWidth &lt;= maxSpanX"
+        errorLine2="                                                        ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="101"
+            column="57"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#targetCellHeight`"
+        errorLine1="                &amp;&amp; targetCellHeight >= minSpanY &amp;&amp; targetCellHeight &lt;= maxSpanY) {"
+        errorLine2="                   ~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="102"
+            column="20"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#targetCellHeight`"
+        errorLine1="                &amp;&amp; targetCellHeight >= minSpanY &amp;&amp; targetCellHeight &lt;= maxSpanY) {"
+        errorLine2="                                                   ~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="102"
+            column="52"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#targetCellWidth`"
+        errorLine1="            spanX = targetCellWidth;"
+        errorLine2="                    ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="103"
+            column="21"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#targetCellHeight`"
+        errorLine1="            spanY = targetCellHeight;"
+        errorLine2="                    ~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfo.java"
+            line="104"
+            column="21"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 28 (current min is 26): `android.app.Person#getKey`"
+        errorLine1="        return people.stream().filter(person -> person.getKey() != null)"
+        errorLine2="                                                       ~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/notification/NotificationKeyData.java"
+            line="72"
+            column="56"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Method reference requires API level 28 (current min is 26): `Person::getKey`"
+        errorLine1="                .map(Person::getKey).sorted().toArray(String[]::new);"
+        errorLine2="                     ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/notification/NotificationKeyData.java"
+            line="73"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 26): `android.content.pm.LauncherActivityInfo#getLoadingProgress`"
+        errorLine1="            return (int) (100 * info.getLoadingProgress());"
+        errorLine2="                                     ~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/util/PackageManagerHelper.java"
+            line="338"
+            column="38"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction#ACTION_PAGE_LEFT`"
+        errorLine1="                AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_LEFT"
+        errorLine2="                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/PagedView.java"
+            line="1752"
+            column="17"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction#ACTION_PAGE_RIGHT`"
+        errorLine1="                : AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_RIGHT);"
+        errorLine2="                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/PagedView.java"
+            line="1753"
+            column="19"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction#ACTION_PAGE_RIGHT`"
+        errorLine1="                AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_RIGHT"
+        errorLine2="                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/PagedView.java"
+            line="1760"
+            column="17"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction#ACTION_PAGE_LEFT`"
+        errorLine1="                : AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_LEFT);"
+        errorLine2="                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/PagedView.java"
+            line="1761"
+            column="19"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `java.util.List#of`"
+        errorLine1="    private List&lt;WidgetsListBaseEntry> mAllWidgets = List.of();"
+        errorLine2="                                                          ~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/popup/PopupDataProvider.java"
+            line="64"
+            column="59"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `java.util.List#of`"
+        errorLine1="    private List&lt;ItemInfo> mRecommendedWidgets = List.of();"
+        errorLine2="                                                      ~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/popup/PopupDataProvider.java"
+            line="66"
+            column="55"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `new android.view.SurfaceControlViewHost`"
+        errorLine1="                    .submit(() -> new SurfaceControlViewHost(mContext, mDisplay, mHostToken))"
+        errorLine2="                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java"
+            line="91"
+            column="35"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.SurfaceControlViewHost#getSurfacePackage`"
+        errorLine1="            surfacePackage = mSurfaceControlViewHost.getSurfacePackage();"
+        errorLine2="                                                     ~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java"
+            line="93"
+            column="54"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.SurfaceControlViewHost#setView`"
+        errorLine1="                host.setView(view, view.getMeasuredWidth(), view.getMeasuredHeight());"
+        errorLine2="                     ~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java"
+            line="127"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Cast from `SurfacePackage` to `Parcelable` requires API level 30 (current min is 26)"
+        errorLine1="        result.putParcelable(KEY_SURFACE_PACKAGE, surfacePackage);"
+        errorLine2="                                                  ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java"
+            line="132"
+            column="51"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.SurfaceControlViewHost#release`"
+        errorLine1="                mSurfaceControlViewHost.release();"
+        errorLine2="                                        ~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java"
+            line="149"
+            column="41"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.graphics.Outline#setPath`"
+        errorLine1="        outline.setPath(mPath);"
+        errorLine2="                ~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/popup/RoundedArrowDrawable.java"
+            line="88"
+            column="17"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 26): `new android.widget.EdgeEffect`"
+        errorLine1="                ? new EdgeEffect(context, attrs) : new EdgeEffect(context);"
+        errorLine2="                  ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/views/SpringRelativeLayout.java"
+            line="49"
+            column="19"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 26): `new android.widget.EdgeEffect`"
+        errorLine1="                ? new EdgeEffect(context, attrs) : new EdgeEffect(context);"
+        errorLine2="                  ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/views/SpringRelativeLayout.java"
+            line="51"
+            column="19"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.WindowInsets#getTappableElementInsets`"
+        errorLine1="            return windowInsets.getTappableElementInsets().bottom > 0;"
+        errorLine2="                                ~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/SysUiScrim.java"
+            line="190"
+            column="33"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.graphics.Insets#bottom`"
+        errorLine1="            return windowInsets.getTappableElementInsets().bottom > 0;"
+        errorLine2="                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/graphics/SysUiScrim.java"
+            line="190"
+            column="20"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 28 (current min is 26): `android.appwidget.AppWidgetProviderInfo#widgetFeatures`"
+        errorLine1="        int featureFlags = mProviderInfo.widgetFeatures;"
+        errorLine2="                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/WidgetAddFlowHandler.java"
+            line="93"
+            column="28"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#loadDescription`"
+        errorLine1="            CharSequence description = mItem.widgetInfo.loadDescription(getContext());"
+        errorLine2="                                                        ~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/WidgetCell.java"
+            line="193"
+            column="57"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#previewLayout`"
+        errorLine1="                &amp;&amp; item.widgetInfo.previewLayout != Resources.ID_NULL) {"
+        errorLine2="                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/WidgetCell.java"
+            line="214"
+            column="20"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 31 (current min is 26): `android.appwidget.AppWidgetProviderInfo#previewLayout`"
+        errorLine1="            launcherAppWidgetProviderInfo.initialLayout = item.widgetInfo.previewLayout;"
+        errorLine2="                                                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/WidgetCell.java"
+            line="222"
+            column="59"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.View#getWindowInsetsController`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java"
+            line="558"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.WindowInsets.Type#ime`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                                           ~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java"
+            line="558"
+            column="60"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.WindowInsetsController#hide`"
+        errorLine1="        getWindowInsetsController().hide(WindowInsets.Type.ime());"
+        errorLine2="                                    ~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java"
+            line="558"
+            column="37"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `java.util.List#of`"
+        errorLine1="            return new RecommendationTableData(List.of(), previewScale);"
+        errorLine2="                                                    ~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/widget/picker/WidgetsRecommendationTableLayout.java"
+            line="139"
+            column="53"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Method reference requires API level 28 (current min is 26): `Person::getKey`"
+        errorLine1="            : Arrays.stream(persons).map(Person::getKey).sorted().toArray(String[]::new);"
+        errorLine2="                                         ~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/model/data/WorkspaceItemInfo.java"
+            line="178"
+            column="42"/>
+    </issue>
+
+</issues>
diff --git a/lint-baseline-res-lib.xml b/lint-baseline-res-lib.xml
new file mode 100644
index 0000000..e52f8fb
--- /dev/null
+++ b/lint-baseline-res-lib.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="`?android:attr/dialogCornerRadius` requires API level 28 (current min is 26)"
+        errorLine1="        android:topLeftRadius=&quot;?android:attr/dialogCornerRadius&quot;"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/res/drawable/add_item_dialog_background.xml"
+            line="6"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`?android:attr/dialogCornerRadius` requires API level 28 (current min is 26)"
+        errorLine1="        android:topRightRadius=&quot;?android:attr/dialogCornerRadius&quot; />"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/res/drawable/add_item_dialog_background.xml"
+            line="7"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`@android:style/Widget.DeviceDefault.Button.Colored` requires API level 28 (current min is 26)"
+        errorLine1="    &lt;style name=&quot;Widget.DeviceDefault.Button.Rounded.Colored&quot; parent=&quot;@android:style/Widget.DeviceDefault.Button.Colored&quot;>"
+        errorLine2="                                                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/res/values/styles.xml"
+            line="287"
+            column="63"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`@android:dimen/system_app_widget_background_radius` requires API level 31 (current min is 26)"
+        errorLine1="    &lt;corners android:radius=&quot;@android:dimen/system_app_widget_background_radius&quot; />"
+        errorLine2="             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="packages/apps/Launcher3/res/drawable/widget_resize_frame.xml"
+            line="20"
+            column="14"/>
+    </issue>
+
+</issues>
diff --git a/quickstep/robolectric_tests/src/com/android/quickstep/OrientationTouchTransformerTest.java b/quickstep/robolectric_tests/src/com/android/quickstep/OrientationTouchTransformerTest.java
index eca27b5..e771962 100644
--- a/quickstep/robolectric_tests/src/com/android/quickstep/OrientationTouchTransformerTest.java
+++ b/quickstep/robolectric_tests/src/com/android/quickstep/OrientationTouchTransformerTest.java
@@ -247,10 +247,7 @@
     }
 
     @Test
-    @Ignore("There's too much that goes into needing to mock a real motion event so the "
-            + "transforms in native code get applied correctly. Once that happens then maybe we can"
-            + " write slightly more complex unit tests")
-    public void applyTransform_taskNotFrozen_90Rotate_inTwoRegions() {
+    public void applyTransform_taskNotFrozen_90Rotate_withTwoRegions() {
         mTouchTransformer.createOrAddTouchRegion(mInfo);
         mTouchTransformer.enableMultipleRegions(true, mInfo);
         mTouchTransformer
@@ -262,6 +259,7 @@
         // Portrait point in landscape orientation axis
         MotionEvent inRegion2 = generateMotionEvent(MotionEvent.ACTION_DOWN, 10, 10);
         mTouchTransformer.transform(inRegion1_down);
+        // no-op
         mTouchTransformer.transform(inRegion2);
         assertTrue(mTouchTransformer.touchInValidSwipeRegions(
                 inRegion1_down.getX(), inRegion1_down.getY()));
@@ -269,9 +267,19 @@
         assertFalse(mTouchTransformer.touchInValidSwipeRegions(inRegion2.getX(), inRegion2.getY()));
 
         mTouchTransformer.transform(inRegion1_up);
+    }
 
-        // Set the new region with this MotionEvent.ACTION_DOWN
-        inRegion2 = generateAndTransformMotionEvent(MotionEvent.ACTION_DOWN, 10, 370);
+    @Test
+    public void applyTransform_90Rotate_inRotatedRegion() {
+        // Create regions for both 0 Rotation and 90 Rotation
+        mTouchTransformer.createOrAddTouchRegion(mInfo);
+        mTouchTransformer.enableMultipleRegions(true, mInfo);
+        mTouchTransformer
+                .createOrAddTouchRegion(createDisplayInfo(NORMAL_SCREEN_SIZE, Surface.ROTATION_90));
+        // Portrait point in landscape orientation axis
+        float x1 = generateTouchRegionHeight(NORMAL_SCREEN_SIZE, Surface.ROTATION_0);
+        // bottom of screen, from landscape perspective right side of screen
+        MotionEvent inRegion2 = generateAndTransformMotionEvent(MotionEvent.ACTION_DOWN, x1, 370);
         assertTrue(mTouchTransformer.touchInValidSwipeRegions(inRegion2.getX(), inRegion2.getY()));
     }
 
diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
index f0726bb..0524b21 100644
--- a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -220,7 +220,7 @@
         mSplitPlaceholderView = findViewById(R.id.split_placeholder);
         RecentsView overviewPanel = (RecentsView) getOverviewPanel();
         mSplitPlaceholderView.init(
-                new SplitSelectStateController(SystemUiProxy.INSTANCE.get(this))
+                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this))
         );
         overviewPanel.init(mActionsView, mSplitPlaceholderView);
         mActionsView.updateVerticalMargin(SysUINavigationMode.getMode(this));
diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index 82a83fc..009ca27 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -61,6 +61,8 @@
 import android.os.SystemProperties;
 import android.util.Pair;
 import android.view.View;
+import android.view.animation.Interpolator;
+import android.view.animation.PathInterpolator;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -137,6 +139,15 @@
     private static final long APP_LAUNCH_ALPHA_DOWN_DURATION =
             (long) (APP_LAUNCH_ALPHA_DURATION * APP_LAUNCH_DOWN_DUR_SCALE_FACTOR);
 
+    public static final int ANIMATION_NAV_FADE_IN_DURATION = 266;
+    public static final int ANIMATION_NAV_FADE_OUT_DURATION = 133;
+    public static final long ANIMATION_DELAY_NAV_FADE_IN =
+            APP_LAUNCH_DURATION - ANIMATION_NAV_FADE_IN_DURATION;
+    public static final Interpolator NAV_FADE_IN_INTERPOLATOR =
+            new PathInterpolator(0f, 0f, 0f, 1f);
+    public static final Interpolator NAV_FADE_OUT_INTERPOLATOR =
+            new PathInterpolator(0.2f, 0f, 1f, 1f);
+
     private static final long CROP_DURATION = 375;
     private static final long RADIUS_DURATION = 375;
 
@@ -276,10 +287,11 @@
      */
     protected void composeRecentsLaunchAnimator(@NonNull AnimatorSet anim, @NonNull View v,
             @NonNull RemoteAnimationTargetCompat[] appTargets,
-            @NonNull RemoteAnimationTargetCompat[] wallpaperTargets, boolean launcherClosing) {
+            @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
+            @NonNull RemoteAnimationTargetCompat[] nonAppTargets, boolean launcherClosing) {
         TaskViewUtils.composeRecentsLaunchAnimator(anim, v, appTargets, wallpaperTargets,
-                launcherClosing, mLauncher.getStateManager(), mLauncher.getOverviewPanel(),
-                mLauncher.getDepthController());
+                nonAppTargets, launcherClosing, mLauncher.getStateManager(),
+                mLauncher.getOverviewPanel(), mLauncher.getDepthController());
     }
 
     private boolean areAllTargetsTranslucent(@NonNull RemoteAnimationTargetCompat[] targets) {
@@ -305,6 +317,7 @@
     private void composeIconLaunchAnimator(@NonNull AnimatorSet anim, @NonNull View v,
             @NonNull RemoteAnimationTargetCompat[] appTargets,
             @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
+            @NonNull RemoteAnimationTargetCompat[] nonAppTargets,
             boolean launcherClosing) {
         // Set the state animation first so that any state listeners are called
         // before our internal listeners.
@@ -313,8 +326,8 @@
         final int rotationChange = getRotationChange(appTargets);
         // Note: the targetBounds are relative to the launcher
         Rect windowTargetBounds = getWindowTargetBounds(appTargets, rotationChange);
-        anim.play(getOpeningWindowAnimators(v, appTargets, wallpaperTargets, windowTargetBounds,
-                areAllTargetsTranslucent(appTargets), rotationChange));
+        anim.play(getOpeningWindowAnimators(v, appTargets, wallpaperTargets, nonAppTargets,
+                windowTargetBounds, areAllTargetsTranslucent(appTargets), rotationChange));
         if (launcherClosing) {
             Pair<AnimatorSet, Runnable> launcherContentAnimator =
                     getLauncherContentAnimator(true /* isAppOpening */,
@@ -515,6 +528,7 @@
     private Animator getOpeningWindowAnimators(View v,
             RemoteAnimationTargetCompat[] appTargets,
             RemoteAnimationTargetCompat[] wallpaperTargets,
+            RemoteAnimationTargetCompat[] nonAppTargets,
             Rect windowTargetBounds, boolean appTargetsAreTranslucent, int rotationChange) {
         RectF launcherIconBounds = new RectF();
         FloatingIconView floatingView = FloatingIconView.getFloatingIconView(mLauncher, v,
@@ -523,10 +537,11 @@
         Matrix matrix = new Matrix();
 
         RemoteAnimationTargets openingTargets = new RemoteAnimationTargets(appTargets,
-                wallpaperTargets, MODE_OPENING);
+                wallpaperTargets, nonAppTargets, MODE_OPENING);
         SurfaceTransactionApplier surfaceApplier =
                 new SurfaceTransactionApplier(floatingView);
         openingTargets.addReleaseCheck(surfaceApplier);
+        RemoteAnimationTargetCompat navBarTarget = openingTargets.getNavBarRemoteAnimationTarget();
 
         int[] dragLayerBounds = new int[2];
         mDragLayer.getLocationOnScreen(dragLayerBounds);
@@ -601,6 +616,11 @@
             FloatProp mCropRectHeight = new FloatProp(prop.cropHeightStart, prop.cropHeightEnd, 0,
                     CROP_DURATION, EXAGGERATED_EASE);
 
+            FloatProp mNavFadeOut = new FloatProp(1f, 0f, 0, ANIMATION_NAV_FADE_OUT_DURATION,
+                    NAV_FADE_OUT_INTERPOLATOR);
+            FloatProp mNavFadeIn = new FloatProp(0f, 1f, ANIMATION_DELAY_NAV_FADE_IN,
+                    ANIMATION_NAV_FADE_IN_DURATION, NAV_FADE_IN_INTERPOLATOR);
+
             @Override
             public void onUpdate(float percent) {
                 // Calculate the size of the scaled icon.
@@ -706,6 +726,21 @@
                     params[i] = builder.build();
                 }
                 surfaceApplier.scheduleApply(params);
+
+                if (navBarTarget != null) {
+                    final SurfaceParams.Builder navBuilder =
+                            new SurfaceParams.Builder(navBarTarget.leash);
+                    if (mNavFadeIn.value > mNavFadeIn.getStartValue()) {
+                        matrix.setScale(scale, scale);
+                        matrix.postTranslate(windowTransX0, windowTransY0);
+                        navBuilder.withMatrix(matrix)
+                                .withWindowCrop(crop)
+                                .withAlpha(mNavFadeIn.value);
+                    } else {
+                        navBuilder.withAlpha(mNavFadeOut.value);
+                    }
+                    surfaceApplier.scheduleApply(navBuilder.build());
+                }
             }
         });
 
@@ -1088,19 +1123,18 @@
                 RemoteAnimationTargetCompat[] nonAppTargets,
                 LauncherAnimationRunner.AnimationResult result) {
             AnimatorSet anim = new AnimatorSet();
-
             boolean launcherClosing =
                     launcherIsATargetWithMode(appTargets, MODE_CLOSING);
 
             final boolean launchingFromRecents = isLaunchingFromRecents(mV, appTargets);
             final boolean launchingFromTaskbar = mLauncher.isViewInTaskbar(mV);
             if (launchingFromRecents) {
-                composeRecentsLaunchAnimator(anim, mV, appTargets, wallpaperTargets,
+                composeRecentsLaunchAnimator(anim, mV, appTargets, wallpaperTargets, nonAppTargets,
                         launcherClosing);
             } else if (launchingFromTaskbar) {
                 // TODO
             } else {
-                composeIconLaunchAnimator(anim, mV, appTargets, wallpaperTargets,
+                composeIconLaunchAnimator(anim, mV, appTargets, wallpaperTargets, nonAppTargets,
                         launcherClosing);
             }
 
diff --git a/quickstep/src/com/android/quickstep/FallbackActivityInterface.java b/quickstep/src/com/android/quickstep/FallbackActivityInterface.java
index e13d1a4..8168e88 100644
--- a/quickstep/src/com/android/quickstep/FallbackActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/FallbackActivityInterface.java
@@ -27,6 +27,7 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.quickstep.fallback.RecentsState;
 import com.android.quickstep.util.ActivityInitListener;
@@ -139,7 +140,25 @@
 
     @Override
     public void onExitOverview(RotationTouchHelper deviceState, Runnable exitRunnable) {
-        // no-op, fake landscape not supported for 3P
+        final StateManager<RecentsState> stateManager = getCreatedActivity().getStateManager();
+        if (stateManager.getState() == HOME) {
+            exitRunnable.run();
+            notifyRecentsOfOrientation(deviceState);
+            return;
+        }
+
+        stateManager.addStateListener(
+                new StateManager.StateListener<RecentsState>() {
+                    @Override
+                    public void onStateTransitionComplete(RecentsState toState) {
+                        // Are we going from Recents to Workspace?
+                        if (toState == HOME) {
+                            exitRunnable.run();
+                            notifyRecentsOfOrientation(deviceState);
+                            stateManager.removeStateListener(this);
+                        }
+                    }
+                });
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
index 7e4a352..ec1cc4a 100644
--- a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
+++ b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
@@ -247,7 +247,8 @@
             if (appearedTaskTarget.activityType == ACTIVITY_TYPE_HOME) {
                 RemoteAnimationTargets targets = new RemoteAnimationTargets(
                         new RemoteAnimationTargetCompat[] {appearedTaskTarget},
-                        new RemoteAnimationTargetCompat[0], appearedTaskTarget.mode);
+                        new RemoteAnimationTargetCompat[0], new RemoteAnimationTargetCompat[0],
+                        appearedTaskTarget.mode);
                 mHomeAlphaParams.setTargetSet(targets);
                 updateHomeAlpha();
                 return true;
diff --git a/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java b/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
index a749f9a..2a6e478 100644
--- a/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
+++ b/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
@@ -53,7 +53,7 @@
  */
 class OrientationTouchTransformer {
 
-    class CurrentDisplay {
+    private static class CurrentDisplay {
         public Point size;
         public int rotation;
 
@@ -68,6 +68,13 @@
         }
 
         @Override
+        public String toString() {
+            return "CurrentDisplay:"
+                    + " rotation: " + rotation
+                    + " size: " + size;
+        }
+
+        @Override
         public boolean equals(Object o) {
             if (this == o) return true;
             if (o == null || getClass() != o.getClass()) return false;
@@ -86,21 +93,20 @@
 
     private static final String TAG = "OrientationTouchTransformer";
     private static final boolean DEBUG = false;
-    private static final int MAX_ORIENTATIONS = 4;
 
     private static final int QUICKSTEP_ROTATION_UNINITIALIZED = -1;
 
     private final Matrix mTmpMatrix = new Matrix();
     private final float[] mTmpPoint = new float[2];
 
-    private Map<CurrentDisplay, OrientationRectF> mSwipeTouchRegions =
+    private final Map<CurrentDisplay, OrientationRectF> mSwipeTouchRegions =
             new HashMap<CurrentDisplay, OrientationRectF>();
     private final RectF mAssistantLeftRegion = new RectF();
     private final RectF mAssistantRightRegion = new RectF();
     private final RectF mOneHandedModeRegion = new RectF();
     private CurrentDisplay mCurrentDisplay = new CurrentDisplay();
     private int mNavBarGesturalHeight;
-    private int mNavBarLargerGesturalHeight;
+    private final int mNavBarLargerGesturalHeight;
     private boolean mEnableMultipleRegions;
     private Resources mResources;
     private OrientationRectF mLastRectTouched;
@@ -374,10 +380,7 @@
                     return;
                 }
 
-                for (int i = 0; i < MAX_ORIENTATIONS; i++) {
-                    CurrentDisplay display = new CurrentDisplay(mCurrentDisplay.size, i);
-                    OrientationRectF rect = mSwipeTouchRegions.get(display);
-
+                for (OrientationRectF rect : mSwipeTouchRegions.values()) {
                     if (TestProtocol.sDebugTracing) {
                         Log.d(TestProtocol.NO_SWIPE_TO_HOME, "transform:DOWN, rect=" + rect);
                     }
diff --git a/quickstep/src/com/android/quickstep/RecentsActivity.java b/quickstep/src/com/android/quickstep/RecentsActivity.java
index 1340abb..7c453e7 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivity.java
@@ -108,8 +108,7 @@
 
         SplitPlaceholderView splitPlaceholderView = findViewById(R.id.split_placeholder);
         splitPlaceholderView.init(
-                new SplitSelectStateController(
-                        SystemUiProxy.INSTANCE.get(this))
+                new SplitSelectStateController(mUiHandler, SystemUiProxy.INSTANCE.get(this))
         );
 
         mDragLayer.recreateControllers();
@@ -192,7 +191,7 @@
                     RemoteAnimationTargetCompat[] nonAppTargets,
                     AnimationResult result) -> {
             AnimatorSet anim = composeRecentsLaunchAnimator(taskView, appTargets,
-                    wallpaperTargets);
+                    wallpaperTargets, nonAppTargets);
             anim.addListener(resetStateListener());
             result.setAnimation(anim, RecentsActivity.this, onEndCallback::executeAllAndDestroy);
         };
@@ -213,12 +212,13 @@
      */
     private AnimatorSet  composeRecentsLaunchAnimator(TaskView taskView,
             RemoteAnimationTargetCompat[] appTargets,
-            RemoteAnimationTargetCompat[] wallpaperTargets) {
+            RemoteAnimationTargetCompat[] wallpaperTargets,
+            RemoteAnimationTargetCompat[] nonAppTargets) {
         AnimatorSet target = new AnimatorSet();
         boolean activityClosing = taskIsATargetWithMode(appTargets, getTaskId(), MODE_CLOSING);
         PendingAnimation pa = new PendingAnimation(RECENTS_LAUNCH_DURATION);
         createRecentsWindowAnimator(taskView, !activityClosing, appTargets,
-                wallpaperTargets, null /* depthController */, pa);
+                wallpaperTargets, nonAppTargets, null /* depthController */, pa);
         target.play(pa.buildAnim());
 
         // Found a visible recents task that matches the opening app, lets launch the app from there
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationTargets.java b/quickstep/src/com/android/quickstep/RecentsAnimationTargets.java
index 718c5ba..3861bab 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationTargets.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationTargets.java
@@ -33,7 +33,7 @@
     public RecentsAnimationTargets(RemoteAnimationTargetCompat[] apps,
             RemoteAnimationTargetCompat[] wallpapers, Rect homeContentInsets,
             Rect minimizedHomeBounds) {
-        super(apps, wallpapers, MODE_CLOSING);
+        super(apps, wallpapers, new RemoteAnimationTargetCompat[0], MODE_CLOSING);
         this.homeContentInsets = homeContentInsets;
         this.minimizedHomeBounds = minimizedHomeBounds;
     }
diff --git a/quickstep/src/com/android/quickstep/RemoteAnimationTargets.java b/quickstep/src/com/android/quickstep/RemoteAnimationTargets.java
index ab5e3ba..a1af77d 100644
--- a/quickstep/src/com/android/quickstep/RemoteAnimationTargets.java
+++ b/quickstep/src/com/android/quickstep/RemoteAnimationTargets.java
@@ -15,6 +15,8 @@
  */
 package com.android.quickstep;
 
+import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
+
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 
 import java.util.ArrayList;
@@ -30,13 +32,15 @@
     public final RemoteAnimationTargetCompat[] unfilteredApps;
     public final RemoteAnimationTargetCompat[] apps;
     public final RemoteAnimationTargetCompat[] wallpapers;
+    public final RemoteAnimationTargetCompat[] nonApps;
     public final int targetMode;
     public final boolean hasRecents;
 
     private boolean mReleased = false;
 
     public RemoteAnimationTargets(RemoteAnimationTargetCompat[] apps,
-            RemoteAnimationTargetCompat[] wallpapers, int targetMode) {
+            RemoteAnimationTargetCompat[] wallpapers, RemoteAnimationTargetCompat[] nonApps,
+            int targetMode) {
         ArrayList<RemoteAnimationTargetCompat> filteredApps = new ArrayList<>();
         boolean hasRecents = false;
         if (apps != null) {
@@ -55,6 +59,7 @@
         this.wallpapers = wallpapers;
         this.targetMode = targetMode;
         this.hasRecents = hasRecents;
+        this.nonApps = nonApps;
     }
 
     public RemoteAnimationTargetCompat findTask(int taskId) {
@@ -66,6 +71,18 @@
         return null;
     }
 
+    /**
+     * Gets the navigation bar remote animation target if exists.
+     */
+    public RemoteAnimationTargetCompat getNavBarRemoteAnimationTarget() {
+        for (RemoteAnimationTargetCompat target : nonApps) {
+            if (target.windowType == TYPE_NAVIGATION_BAR) {
+                return target;
+            }
+        }
+        return null;
+    }
+
     public boolean isAnimatingHome() {
         for (RemoteAnimationTargetCompat target : unfilteredApps) {
             if (target.activityType == RemoteAnimationTargetCompat.ACTIVITY_TYPE_HOME) {
@@ -98,6 +115,9 @@
         for (RemoteAnimationTargetCompat target : wallpapers) {
             target.release();
         }
+        for (RemoteAnimationTargetCompat target : nonApps) {
+            target.release();
+        }
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index 1f332c4..0ee28bc 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -35,6 +35,7 @@
 import android.view.MotionEvent;
 
 import com.android.launcher3.util.MainThreadInitializedObject;
+import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.systemui.shared.recents.ISystemUiProxy;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.RemoteTransitionCompat;
@@ -491,6 +492,20 @@
         }
     }
 
+    /** Start multiple tasks in split-screen simultaneously. */
+    public void startTasks(int mainTaskId, Bundle mainOptions, int sideTaskId, Bundle sideOptions,
+            @SplitConfigurationOptions.StagePosition int sidePosition,
+            RemoteTransitionCompat remoteTransition) {
+        if (mSystemUiProxy != null) {
+            try {
+                mSplitScreen.startTasks(mainTaskId, mainOptions, sideTaskId, sideOptions,
+                        sidePosition, remoteTransition.getTransition());
+            } catch (RemoteException e) {
+                Log.w(TAG, "Failed call startTask");
+            }
+        }
+    }
+
     public void startShortcut(String packageName, String shortcutId, int stage, int position,
             Bundle options, UserHandle user) {
         if (mSplitScreen != null) {
diff --git a/quickstep/src/com/android/quickstep/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index f14f60b..cbb2a66 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -15,9 +15,17 @@
  */
 package com.android.quickstep;
 
+import static android.view.WindowManager.TRANSIT_OPEN;
+import static android.view.WindowManager.TRANSIT_TO_FRONT;
+
 import static com.android.launcher3.LauncherAnimUtils.VIEW_ALPHA;
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
 import static com.android.launcher3.LauncherState.NORMAL;
+import static com.android.launcher3.QuickstepTransitionManager.ANIMATION_DELAY_NAV_FADE_IN;
+import static com.android.launcher3.QuickstepTransitionManager.ANIMATION_NAV_FADE_IN_DURATION;
+import static com.android.launcher3.QuickstepTransitionManager.ANIMATION_NAV_FADE_OUT_DURATION;
+import static com.android.launcher3.QuickstepTransitionManager.NAV_FADE_IN_INTERPOLATOR;
+import static com.android.launcher3.QuickstepTransitionManager.NAV_FADE_OUT_INTERPOLATOR;
 import static com.android.launcher3.QuickstepTransitionManager.RECENTS_LAUNCH_DURATION;
 import static com.android.launcher3.Utilities.getDescendantCoordRelativeToAncestor;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
@@ -42,7 +50,9 @@
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.os.Build;
+import android.view.SurfaceControl;
 import android.view.View;
+import android.window.TransitionInfo;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -58,6 +68,7 @@
 import com.android.launcher3.statehandlers.DepthController;
 import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.util.DisplayController;
+import com.android.quickstep.util.MultiValueUpdateListener;
 import com.android.quickstep.util.SurfaceTransactionApplier;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.TransformParams;
@@ -67,6 +78,7 @@
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 
 /**
  * Utility class for helpful methods related to {@link TaskView} objects and their tasks.
@@ -137,7 +149,8 @@
 
     public static void createRecentsWindowAnimator(TaskView v, boolean skipViewChanges,
             RemoteAnimationTargetCompat[] appTargets,
-            RemoteAnimationTargetCompat[] wallpaperTargets, DepthController depthController,
+            RemoteAnimationTargetCompat[] wallpaperTargets,
+            RemoteAnimationTargetCompat[] nonAppTargets, DepthController depthController,
             PendingAnimation out) {
         boolean isRunningTask = v.isRunningTask();
         TransformParams params = null;
@@ -146,7 +159,7 @@
             params = v.getRecentsView().getLiveTileParams();
             tsv = v.getRecentsView().getLiveTileTaskViewSimulator();
         }
-        createRecentsWindowAnimator(v, skipViewChanges, appTargets, wallpaperTargets,
+        createRecentsWindowAnimator(v, skipViewChanges, appTargets, wallpaperTargets, nonAppTargets,
                 depthController, out, params, tsv);
     }
 
@@ -156,7 +169,8 @@
      */
     public static void createRecentsWindowAnimator(TaskView v, boolean skipViewChanges,
             RemoteAnimationTargetCompat[] appTargets,
-            RemoteAnimationTargetCompat[] wallpaperTargets, DepthController depthController,
+            RemoteAnimationTargetCompat[] wallpaperTargets,
+            RemoteAnimationTargetCompat[] nonAppTargets, DepthController depthController,
             PendingAnimation out, @Nullable TransformParams params,
             @Nullable TaskViewSimulator tsv) {
         boolean isQuickSwitch = v.isEndQuickswitchCuj();
@@ -164,8 +178,9 @@
 
         boolean inLiveTileMode = LIVE_TILE.get() && v.getRecentsView().getRunningTaskIndex() != -1;
         final RemoteAnimationTargets targets =
-                new RemoteAnimationTargets(appTargets, wallpaperTargets,
+                new RemoteAnimationTargets(appTargets, wallpaperTargets, nonAppTargets,
                         inLiveTileMode ? MODE_CLOSING : MODE_OPENING);
+        final RemoteAnimationTargetCompat navBarTarget = targets.getNavBarRemoteAnimationTarget();
 
         if (params == null) {
             SurfaceTransactionApplier applier = new SurfaceTransactionApplier(v);
@@ -225,6 +240,30 @@
             TaskViewSimulator finalTsv = tsv;
             TransformParams finalParams = params;
             out.addOnFrameCallback(() -> finalTsv.apply(finalParams));
+            if (navBarTarget != null) {
+                final Rect cropRect = new Rect();
+                out.addOnFrameListener(new MultiValueUpdateListener() {
+                    FloatProp mNavFadeOut = new FloatProp(1f, 0f, 0,
+                            ANIMATION_NAV_FADE_OUT_DURATION, NAV_FADE_OUT_INTERPOLATOR);
+                    FloatProp mNavFadeIn = new FloatProp(0f, 1f, ANIMATION_DELAY_NAV_FADE_IN,
+                            ANIMATION_NAV_FADE_IN_DURATION, NAV_FADE_IN_INTERPOLATOR);
+
+                    @Override
+                    public void onUpdate(float percent) {
+                        final SurfaceParams.Builder navBuilder =
+                                new SurfaceParams.Builder(navBarTarget.leash);
+                        if (mNavFadeIn.value > mNavFadeIn.getStartValue()) {
+                            finalTsv.getCurrentCropRect().round(cropRect);
+                            navBuilder.withMatrix(finalTsv.getCurrentMatrix())
+                                    .withWindowCrop(cropRect)
+                                    .withAlpha(mNavFadeIn.value);
+                        } else {
+                            navBuilder.withAlpha(mNavFadeOut.value);
+                        }
+                        finalParams.applySurfaceParams(navBuilder.build());
+                    }
+                });
+            }
             topMostSimulator = tsv;
         }
 
@@ -318,9 +357,50 @@
      * device is considered in multiWindowMode and things like insets and stuff change
      * and calculations have to be adjusted in the animations for that
      */
-    public static void composeRecentsSplitLaunchAnimator(@NonNull AnimatorSet anim,
+    public static void composeRecentsSplitLaunchAnimator(@NonNull TaskView initialView,
+            @NonNull TaskView v, @NonNull TransitionInfo transitionInfo,
+            SurfaceControl.Transaction t, @NonNull Runnable finishCallback) {
+
+        final TransitionInfo.Change[] splitRoots = new TransitionInfo.Change[2];
+        for (int i = 0; i < transitionInfo.getChanges().size(); ++i) {
+            final TransitionInfo.Change change = transitionInfo.getChanges().get(i);
+            final int taskId = change.getTaskInfo() != null ? change.getTaskInfo().taskId : -1;
+            final int mode = change.getMode();
+            // Find the target tasks' root tasks since those are the split stages that need to
+            // be animated (the tasks themselves are children and thus inherit animation).
+            if (taskId == initialView.getTask().key.id || taskId == v.getTask().key.id) {
+                if (!(mode == TRANSIT_OPEN || mode == TRANSIT_TO_FRONT)) {
+                    throw new IllegalStateException(
+                            "Expected task to be showing, but it is " + mode);
+                }
+                if (change.getParent() == null) {
+                    throw new IllegalStateException("Initiating multi-split launch but the split"
+                            + "root of " + taskId + " is already visible or has broken hierarchy.");
+                }
+                splitRoots[taskId == initialView.getTask().key.id ? 0 : 1] =
+                        transitionInfo.getChange(change.getParent());
+            }
+        }
+
+        // This is where we should animate the split roots. For now, though, just make them visible.
+        for (int i = 0; i < 2; ++i) {
+            t.show(splitRoots[i].getLeash());
+            t.setAlpha(splitRoots[i].getLeash(), 1.f);
+        }
+
+        // This contains the initial state (before animation), so apply this at the beginning of
+        // the animation.
+        t.apply();
+
+        // Once there is an animation, this should be called AFTER the animation completes.
+        finishCallback.run();
+    }
+
+    /** Legacy version (until shell transitions are enabled) */
+    public static void composeRecentsSplitLaunchAnimatorLegacy(@NonNull AnimatorSet anim,
             @NonNull TaskView v, @NonNull RemoteAnimationTargetCompat[] appTargets,
-            @NonNull RemoteAnimationTargetCompat[] wallpaperTargets, boolean launcherClosing,
+            @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
+            @NonNull RemoteAnimationTargetCompat[] nonAppTargets, boolean launcherClosing,
             @NonNull StateManager stateManager, @NonNull DepthController depthController,
             int targetStage) {
         PendingAnimation out = new PendingAnimation(RECENTS_LAUNCH_DURATION);
@@ -336,7 +416,7 @@
         boolean inLiveTileMode =
                 ENABLE_QUICKSTEP_LIVE_TILE.get() && recentsView.getRunningTaskIndex() != -1;
         final RemoteAnimationTargets targets =
-                new RemoteAnimationTargets(appTargets, wallpaperTargets,
+                new RemoteAnimationTargets(appTargets, wallpaperTargets, nonAppTargets,
                         inLiveTileMode ? MODE_CLOSING : MODE_OPENING);
 
         if (params == null) {
@@ -392,7 +472,8 @@
 
     public static void composeRecentsLaunchAnimator(@NonNull AnimatorSet anim, @NonNull View v,
             @NonNull RemoteAnimationTargetCompat[] appTargets,
-            @NonNull RemoteAnimationTargetCompat[] wallpaperTargets, boolean launcherClosing,
+            @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
+            @NonNull RemoteAnimationTargetCompat[] nonAppTargets, boolean launcherClosing,
             @NonNull StateManager stateManager, @NonNull RecentsView recentsView,
             @NonNull DepthController depthController) {
         boolean skipLauncherChanges = !launcherClosing;
@@ -400,7 +481,7 @@
         TaskView taskView = findTaskViewToLaunch(recentsView, v, appTargets);
         PendingAnimation pa = new PendingAnimation(RECENTS_LAUNCH_DURATION);
         createRecentsWindowAnimator(taskView, skipLauncherChanges, appTargets, wallpaperTargets,
-                depthController, pa);
+                nonAppTargets, depthController, pa);
 
         Animator childStateAnimation = null;
         // Found a visible recents task that matches the opening app, lets launch the app from there
diff --git a/quickstep/src/com/android/quickstep/util/MultiValueUpdateListener.java b/quickstep/src/com/android/quickstep/util/MultiValueUpdateListener.java
index e798d5c..b4ae1ca 100644
--- a/quickstep/src/com/android/quickstep/util/MultiValueUpdateListener.java
+++ b/quickstep/src/com/android/quickstep/util/MultiValueUpdateListener.java
@@ -64,5 +64,12 @@
 
             mAllProperties.add(this);
         }
+
+        /**
+         * Gets the start value.
+         */
+        public float getStartValue() {
+            return mStart;
+        }
     }
 }
diff --git a/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java b/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java
index 958ee24..81c124f 100644
--- a/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java
+++ b/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java
@@ -34,7 +34,8 @@
 
     public RemoteFadeOutAnimationListener(RemoteAnimationTargetCompat[] appTargets,
             RemoteAnimationTargetCompat[] wallpaperTargets) {
-        mTarget = new RemoteAnimationTargets(appTargets, wallpaperTargets, MODE_CLOSING);
+        mTarget = new RemoteAnimationTargets(appTargets, wallpaperTargets,
+                new RemoteAnimationTargetCompat[0], MODE_CLOSING);
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index d9154ed..9576eac 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -16,11 +16,17 @@
 
 package com.android.quickstep.util;
 
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
+import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT;
+
 import android.animation.AnimatorSet;
 import android.app.ActivityOptions;
 import android.os.Handler;
 import android.os.Looper;
 import android.util.Pair;
+import android.view.SurfaceControl;
+import android.window.TransitionInfo;
 
 import androidx.annotation.Nullable;
 
@@ -31,12 +37,15 @@
 import com.android.launcher3.WrappedLauncherAnimationRunner;
 import com.android.launcher3.util.SplitConfigurationOptions.SplitPositionOption;
 import com.android.quickstep.SystemUiProxy;
+import com.android.quickstep.TaskAnimationManager;
 import com.android.quickstep.TaskViewUtils;
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.system.ActivityOptionsCompat;
 import com.android.systemui.shared.system.RemoteAnimationAdapterCompat;
 import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+import com.android.systemui.shared.system.RemoteTransitionCompat;
+import com.android.systemui.shared.system.RemoteTransitionRunner;
 
 /**
  * Represent data needed for the transient state when user has selected one app for split screen
@@ -47,9 +56,11 @@
     private final SystemUiProxy mSystemUiProxy;
     private TaskView mInitialTaskView;
     private SplitPositionOption mInitialPosition;
+    private final Handler mHandler;
 
-    public SplitSelectStateController(SystemUiProxy systemUiProxy) {
+    public SplitSelectStateController(Handler handler, SystemUiProxy systemUiProxy) {
         mSystemUiProxy = systemUiProxy;
+        mHandler = handler;
     }
 
     /**
@@ -64,6 +75,19 @@
      * To be called after second task selected
      */
     public void setSecondTaskId(TaskView taskView) {
+        if (TaskAnimationManager.ENABLE_SHELL_TRANSITIONS) {
+            // Assume initial task is for top/left part of screen
+            final int[] taskIds = mInitialPosition.mStagePosition == STAGE_POSITION_TOP_OR_LEFT
+                    ? new int[]{mInitialTaskView.getTask().key.id, taskView.getTask().key.id}
+                    : new int[]{taskView.getTask().key.id, mInitialTaskView.getTask().key.id};
+
+            RemoteSplitLaunchAnimationRunner animationRunner =
+                    new RemoteSplitLaunchAnimationRunner(mInitialTaskView, taskView);
+            mSystemUiProxy.startTasks(taskIds[0], null /* mainOptions */, taskIds[1],
+                    null /* sideOptions */, STAGE_POSITION_BOTTOM_OR_RIGHT,
+                    new RemoteTransitionCompat(animationRunner, MAIN_EXECUTOR));
+            return;
+        }
         // Assume initial mInitialTaskId is for top/left part of screen
         WrappedAnimationRunnerImpl initialSplitRunnerWrapped =  new SplitLaunchAnimationRunner(
                 mInitialTaskView, 0);
@@ -96,6 +120,30 @@
     }
 
     /**
+     * Requires Shell Transitions
+     */
+    private class RemoteSplitLaunchAnimationRunner implements RemoteTransitionRunner {
+
+        private final TaskView mInitialTaskView;
+        private final TaskView mTaskView;
+
+        RemoteSplitLaunchAnimationRunner(TaskView initialTaskView, TaskView taskView) {
+            mInitialTaskView = initialTaskView;
+            mTaskView = taskView;
+        }
+
+        @Override
+        public void startAnimation(TransitionInfo info, SurfaceControl.Transaction t,
+                Runnable finishCallback) {
+            TaskViewUtils.composeRecentsSplitLaunchAnimator(mInitialTaskView, mTaskView,
+                    info, t, finishCallback);
+            // After successful launch, call resetState
+            resetState();
+        }
+    }
+
+    /**
+     * LEGACY
      * @return the opposite stage and position from the {@param position} provided as first and
      *         second object, respectively
      * Ex. If position is has stage = Main and position = Top/Left, this will return
@@ -109,6 +157,7 @@
     }
 
     /**
+     * LEGACY
      * Remote animation runner for animation to launch an app.
      */
     private class SplitLaunchAnimationRunner implements WrappedAnimationRunnerImpl {
@@ -129,8 +178,8 @@
                 LauncherAnimationRunner.AnimationResult result) {
             AnimatorSet anim = new AnimatorSet();
             BaseQuickstepLauncher activity = BaseActivity.fromContext(mV.getContext());
-            TaskViewUtils.composeRecentsSplitLaunchAnimator(anim, mV,
-                    appTargets, wallpaperTargets, true, activity.getStateManager(),
+            TaskViewUtils.composeRecentsSplitLaunchAnimatorLegacy(anim, mV,
+                    appTargets, wallpaperTargets, nonAppTargets, true, activity.getStateManager(),
                     activity.getDepthController(), mTargetState);
             result.setAnimation(anim, activity);
         }
diff --git a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
index 0436a1c..3b4fd31 100644
--- a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
+++ b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
@@ -15,8 +15,6 @@
  */
 package com.android.quickstep.util;
 
-import static com.android.systemui.shared.system.TransactionCompat.deferTransactionUntil;
-
 import android.annotation.TargetApi;
 import android.os.Build;
 import android.os.Handler;
@@ -90,11 +88,10 @@
             for (int i = params.length - 1; i >= 0; i--) {
                 SurfaceParams surfaceParams = params[i];
                 if (surfaceParams.surface.isValid()) {
-                    deferTransactionUntil(t, surfaceParams.surface, mBarrierSurfaceControl, frame);
-                    surfaceParams.applyTo(t);
+                      surfaceParams.applyTo(t);
                 }
             }
-            t.apply();
+            mTargetViewRootImpl.mergeWithNextTransaction(t, frame);
             Message.obtain(mApplyHandler, MSG_UPDATE_SEQUENCE_NUMBER, toApplySeqNo, 0)
                     .sendToTarget();
         });
diff --git a/quickstep/src/com/android/quickstep/util/TransformParams.java b/quickstep/src/com/android/quickstep/util/TransformParams.java
index 756331d..03d7a37 100644
--- a/quickstep/src/com/android/quickstep/util/TransformParams.java
+++ b/quickstep/src/com/android/quickstep/util/TransformParams.java
@@ -205,7 +205,7 @@
         return mTargetSet;
     }
 
-    public void applySurfaceParams(SurfaceParams[] params) {
+    public void applySurfaceParams(SurfaceParams... params) {
         if (mSyncTransactionApplier != null) {
             mSyncTransactionApplier.scheduleApply(params);
         } else {
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index c39e7df..524bae1 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -766,7 +766,8 @@
         } else {
             TaskViewUtils.composeRecentsLaunchAnimator(
                     anim, taskView, apps,
-                    mLiveTileParams.getTargetSet().wallpapers, true /* launcherClosing */,
+                    mLiveTileParams.getTargetSet().wallpapers,
+                    mLiveTileParams.getTargetSet().nonApps, true /* launcherClosing */,
                     mActivity.getStateManager(), this,
                     getDepthController());
         }
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 3cd9175..8c71ab3 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -489,7 +489,7 @@
             AnimatorSet anim = new AnimatorSet();
             TaskViewUtils.composeRecentsLaunchAnimator(
                     anim, this, targets.apps,
-                    targets.wallpapers, true /* launcherClosing */,
+                    targets.wallpapers, targets.nonApps, true /* launcherClosing */,
                     mActivity.getStateManager(), recentsView,
                     recentsView.getDepthController());
             anim.addListener(new AnimatorListenerAdapter() {
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
index 5ffe315..0fe5432 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
@@ -120,7 +120,6 @@
                 getCurrentOverviewPage(launcher) < currentTaskAfterFlingForward));
 
         // Test opening a task.
-        startTestActivity(2);
         OverviewTask task = mLauncher.pressHome().switchToOverview().getCurrentTask();
         assertNotNull("overview.getCurrentTask() returned null (1)", task);
         assertNotNull("OverviewTask.open returned null", task.open());
diff --git a/res/drawable/ic_allapps_search.xml b/res/drawable/ic_allapps_search.xml
index c0e20f1..dbed824 100644
--- a/res/drawable/ic_allapps_search.xml
+++ b/res/drawable/ic_allapps_search.xml
@@ -17,7 +17,8 @@
     android:width="24dp"
     android:height="24dp"
     android:viewportHeight="24.0"
-    android:viewportWidth="24.0">
+    android:viewportWidth="24.0"
+    android:autoMirrored="true">
     <path
         android:fillColor="?android:attr/textColorTertiary"
         android:pathData="M15.5,14h-0.79l-0.28,-0.27C15.41,12.59 16,11.11 16,9.5 16,5.91 13.09,3 9.5,3S3,5.91 3,9.5 5.91,16 9.5,16c1.61,0 3.09,-0.59 4.23,-1.57l0.27,0.28v0.79l5,4.99L20.49,19l-4.99,-5zM9.5,14C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14z" />
diff --git a/res/layout/widgets_list_row_header.xml b/res/layout/widgets_list_row_header.xml
index 598041c..8259c16 100644
--- a/res/layout/widgets_list_row_header.xml
+++ b/res/layout/widgets_list_row_header.xml
@@ -15,6 +15,7 @@
 -->
 <com.android.launcher3.widget.picker.WidgetsListHeader xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    xmlns:launcher="http://schemas.android.com/apk/res-auto"
     android:id="@+id/widgets_list_header"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ -22,7 +23,8 @@
     android:background="@drawable/widgets_list_middle_ripple"
     android:layout_marginBottom="@dimen/widget_list_entry_bottom_margin"
     android:paddingVertical="@dimen/widget_list_header_view_vertical_padding"
-    android:orientation="horizontal">
+    android:orientation="horizontal"
+    launcher:appIconSize="48dp">
 
     <ImageView
         android:id="@+id/app_icon"
diff --git a/res/layout/widgets_search_bar.xml b/res/layout/widgets_search_bar.xml
index e3836df..c3dd19e 100644
--- a/res/layout/widgets_search_bar.xml
+++ b/res/layout/widgets_search_bar.xml
@@ -13,7 +13,9 @@
         android:id="@+id/widgets_search_bar_edit_text"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:padding="12dp"
+        android:paddingVertical="12dp"
+        android:paddingStart="12dp"
+        android:paddingEnd="0dp"
         android:drawablePadding="8dp"
         android:drawableStart="@drawable/ic_allapps_search"
         android:background="@null"
@@ -21,6 +23,7 @@
         android:maxLines="1"
         android:layout_weight="1"
         android:inputType="text"
+        android:imeOptions="actionSearch"
         android:textColor="?android:attr/textColorSecondary"
         android:textColorHint="?android:attr/textColorTertiary"/>
 
@@ -28,7 +31,9 @@
         android:id="@+id/widgets_search_cancel_button"
         android:layout_height="wrap_content"
         android:layout_width="wrap_content"
-        android:padding="8dp"
+        android:paddingVertical="12dp"
+        android:paddingStart="8dp"
+        android:paddingEnd="12dp"
         android:src="@drawable/ic_gm_close_24"
         android:background="?android:selectableItemBackground"
         android:layout_gravity="center"
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 51dddab..638eec7 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -140,6 +140,9 @@
     <dimen name="widget_row_padding">8dp</dimen>
     <dimen name="widget_row_divider">2dp</dimen>
 
+    <dimen name="widget_picker_education_tip_width">120dp</dimen>
+    <dimen name="widget_picker_education_tip_min_margin">4dp</dimen>
+
     <!-- Padding applied to shortcut previews -->
     <dimen name="shortcut_preview_padding_left">0dp</dimen>
     <dimen name="shortcut_preview_padding_right">0dp</dimen>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 986180c..9072907 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -95,6 +95,9 @@
     <!-- Tab label. A user can tap this tab to access their work widgets. [CHAR_LIMIT=25] -->
     <string name="widgets_full_sheet_work_tab">Work</string>
 
+    <!-- A widget category label for grouping widgets related to conversations. [CHAR_LIMIT=30] -->
+    <string name="widget_category_conversations">Conversations</string>
+
     <!-- All Apps -->
     <!-- Search bar text in the apps view. [CHAR_LIMIT=50] -->
     <string name="all_apps_search_bar_hint">Search apps</string>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index a27cdac..fd77b80 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -150,7 +150,7 @@
     </style>
 
     <style name="HomeSettingsTheme" parent="@android:style/Theme.DeviceDefault.Settings">
-        <item name="android:navigationBarColor">@android:color/transparent</item>
+        <item name="android:navigationBarColor">?android:colorPrimaryDark</item>
         <item name="preferenceTheme">@style/HomeSettingsPreferenceTheme</item>
     </style>
 
diff --git a/res/xml/launcher_preferences.xml b/res/xml/launcher_preferences.xml
index e4bea50..8195cc1 100644
--- a/res/xml/launcher_preferences.xml
+++ b/res/xml/launcher_preferences.xml
@@ -22,14 +22,7 @@
         android:key="pref_icon_badging"
         android:title="@string/notification_dots_title"
         android:persistent="false"
-        android:widgetLayout="@layout/notification_pref_warning" >
-        <intent android:action="android.settings.NOTIFICATION_SETTINGS">
-            <!-- This extra highlights the "Allow notification dots" field in Notification settings -->
-            <extra
-                android:name=":settings:fragment_args_key"
-                android:value="notification_badging" />
-        </intent>
-    </com.android.launcher3.settings.NotificationDotsPreference>
+        android:widgetLayout="@layout/notification_pref_warning" />
 
     <!--
       LAUNCHER_ADD_NEW_APPS_TO_HOME_SCREEN_ENABLED(613)
diff --git a/robolectric_tests/src/com/android/launcher3/model/BackupRestoreTest.java b/robolectric_tests/src/com/android/launcher3/model/BackupRestoreTest.java
index e7606f7..34a8025 100644
--- a/robolectric_tests/src/com/android/launcher3/model/BackupRestoreTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/BackupRestoreTest.java
@@ -35,6 +35,7 @@
 import android.content.pm.PackageInstaller;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
+import android.os.Process;
 import android.os.UserHandle;
 import android.os.UserManager;
 
@@ -64,17 +65,11 @@
     private static final long OLD_WORK_PROFILE_ID = 11;
     private static final int WORK_PROFILE_ID = 10;
 
-    private static final int SYSTEM_USER = 0;
-    private static final int FLAG_SYSTEM = 0x00000800;
-    private static final int FLAG_PROFILE = 0x00001000;
-
     private ShadowUserManager mUserManager;
     private BackupManager mBackupManager;
     private LauncherModelHelper mModelHelper;
     private SQLiteDatabase mDb;
     private InvariantDeviceProfile mIdp;
-    private UserHandle mMainProfileUser;
-    private UserHandle mWorkProfileUser;
 
     @Before
     public void setUp() {
@@ -90,17 +85,15 @@
         final UserManager userManager = RuntimeEnvironment.application.getSystemService(
                 UserManager.class);
         mUserManager = Shadow.extract(userManager);
-        // sign in to primary user
-        mMainProfileUser = mUserManager.addUser(SYSTEM_USER, "me", FLAG_SYSTEM);
         // sign in to work profile
-        mWorkProfileUser = mUserManager.addUser(WORK_PROFILE_ID, "work", FLAG_PROFILE);
+        mUserManager.addUser(WORK_PROFILE_ID, "work", ShadowUserManager.FLAG_MANAGED_PROFILE);
     }
 
     private void setupBackupManager() {
         mBackupManager = new BackupManager(RuntimeEnvironment.application);
         final LShadowBackupManager bm = Shadow.extract(mBackupManager);
-        bm.addProfile(MY_OLD_PROFILE_ID, mMainProfileUser);
-        bm.addProfile(OLD_WORK_PROFILE_ID, mWorkProfileUser);
+        bm.addProfile(MY_OLD_PROFILE_ID, Process.myUserHandle());
+        bm.addProfile(OLD_WORK_PROFILE_ID, UserHandle.of(WORK_PROFILE_ID));
     }
 
     @Test
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 01f7c71..7496703 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -926,8 +926,7 @@
         if (disallowIntercept) {
             // We need to make sure to cancel our long press if
             // a scrollable widget takes over touch events
-            final View currentPage = getPageAt(mCurrentPage);
-            currentPage.cancelLongPress();
+            cancelCurrentPageLongPress();
         }
         super.requestDisallowInterceptTouchEvent(disallowIntercept);
     }
diff --git a/src/com/android/launcher3/anim/PendingAnimation.java b/src/com/android/launcher3/anim/PendingAnimation.java
index 4e90c9e..9068331 100644
--- a/src/com/android/launcher3/anim/PendingAnimation.java
+++ b/src/com/android/launcher3/anim/PendingAnimation.java
@@ -117,11 +117,18 @@
      * Adds a callback to be run on every frame of the animation
      */
     public void addOnFrameCallback(Runnable runnable) {
+        addOnFrameListener(anim -> runnable.run());
+    }
+
+    /**
+     * Adds a listener to be run on every frame of the animation
+     */
+    public void addOnFrameListener(ValueAnimator.AnimatorUpdateListener listener) {
         if (mProgressAnimator == null) {
             mProgressAnimator = ValueAnimator.ofFloat(0, 1);
         }
 
-        mProgressAnimator.addUpdateListener(anim -> runnable.run());
+        mProgressAnimator.addUpdateListener(listener);
     }
 
     /**
diff --git a/src/com/android/launcher3/folder/Folder.java b/src/com/android/launcher3/folder/Folder.java
index a1b7997..cf1cb45 100644
--- a/src/com/android/launcher3/folder/Folder.java
+++ b/src/com/android/launcher3/folder/Folder.java
@@ -78,7 +78,6 @@
 import com.android.launcher3.R;
 import com.android.launcher3.ShortcutAndWidgetContainer;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.Workspace;
 import com.android.launcher3.Workspace.ItemOperator;
 import com.android.launcher3.accessibility.AccessibleDragListenerAdapter;
 import com.android.launcher3.accessibility.FolderAccessibilityHelper;
@@ -534,9 +533,25 @@
     }
 
     private void startAnimation(final AnimatorSet a) {
-        final Workspace workspace = mLauncher.getWorkspace();
-        final CellLayout currentCellLayout =
-                (CellLayout) workspace.getChildAt(workspace.getCurrentPage());
+        mLauncher.getWorkspace().getVisiblePages()
+                .forEach(visiblePage -> addAnimatorListenerForPage(a, (CellLayout) visiblePage));
+
+        a.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationStart(Animator animation) {
+                mState = STATE_ANIMATING;
+                mCurrentAnimator = a;
+            }
+
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                mCurrentAnimator = null;
+            }
+        });
+        a.start();
+    }
+
+    private void addAnimatorListenerForPage(AnimatorSet a, CellLayout currentCellLayout) {
         final boolean useHardware = shouldUseHardwareLayerForAnimation(currentCellLayout);
         final boolean wasHardwareAccelerated = currentCellLayout.isHardwareLayerEnabled();
 
@@ -546,8 +561,6 @@
                 if (useHardware) {
                     currentCellLayout.enableHardwareLayer(true);
                 }
-                mState = STATE_ANIMATING;
-                mCurrentAnimator = a;
             }
 
             @Override
@@ -555,10 +568,8 @@
                 if (useHardware) {
                     currentCellLayout.enableHardwareLayer(wasHardwareAccelerated);
                 }
-                mCurrentAnimator = null;
             }
         });
-        a.start();
     }
 
     private boolean shouldUseHardwareLayerForAnimation(CellLayout currentCellLayout) {
diff --git a/src/com/android/launcher3/icons/IconCache.java b/src/com/android/launcher3/icons/IconCache.java
index 988794c..a2c0f5c 100644
--- a/src/com/android/launcher3/icons/IconCache.java
+++ b/src/com/android/launcher3/icons/IconCache.java
@@ -39,6 +39,7 @@
 
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherFiles;
+import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.ComponentWithLabel.ComponentCachingLogic;
@@ -304,6 +305,11 @@
         CacheEntry entry = getEntryForPackageLocked(
                 infoInOut.packageName, infoInOut.user, useLowResIcon);
         applyCacheEntry(entry, infoInOut);
+        if (infoInOut.category == PackageItemInfo.CONVERSATIONS) {
+            infoInOut.title = mContext.getString(R.string.widget_category_conversations);
+            infoInOut.contentDescription = mPackageManager.getUserBadgedLabel(
+                    infoInOut.title, infoInOut.user);
+        }
     }
 
     protected void applyCacheEntry(CacheEntry entry, ItemInfoWithIcon info) {
diff --git a/src/com/android/launcher3/model/data/PackageItemInfo.java b/src/com/android/launcher3/model/data/PackageItemInfo.java
index 7617d7e..a81fe6a 100644
--- a/src/com/android/launcher3/model/data/PackageItemInfo.java
+++ b/src/com/android/launcher3/model/data/PackageItemInfo.java
@@ -16,27 +16,47 @@
 
 package com.android.launcher3.model.data;
 
+import androidx.annotation.IntDef;
+
 import com.android.launcher3.LauncherSettings;
 
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.util.Objects;
 
 /**
  * Represents a {@link Package} in the widget tray section.
  */
 public class PackageItemInfo extends ItemInfoWithIcon {
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({NO_CATEGORY, CONVERSATIONS})
+    public @interface Category{}
+    /** The package is not categorized in the widget tray. */
+    public static final int NO_CATEGORY = 0;
+    /** The package is categorized to conversations widget in the widget tray. */
+    public static final int CONVERSATIONS = 1;
 
     /**
      * Package name of the {@link PackageItemInfo}.
      */
-    public String packageName;
+    public final String packageName;
+
+    /** Represents a widget category shown in the widget tray section. */
+    @Category public final int category;
 
     public PackageItemInfo(String packageName) {
+        this(packageName, NO_CATEGORY);
+    }
+
+    public PackageItemInfo(String packageName, @Category int category) {
         this.packageName = packageName;
+        this.category = category;
         this.itemType = LauncherSettings.Favorites.ITEM_TYPE_NON_ACTIONABLE;
     }
 
     public PackageItemInfo(PackageItemInfo copy) {
         this.packageName = copy.packageName;
+        this.category = copy.category;
         this.itemType = LauncherSettings.Favorites.ITEM_TYPE_NON_ACTIONABLE;
     }
 
diff --git a/src/com/android/launcher3/settings/NotificationDotsPreference.java b/src/com/android/launcher3/settings/NotificationDotsPreference.java
index afcf882..0ee2744 100644
--- a/src/com/android/launcher3/settings/NotificationDotsPreference.java
+++ b/src/com/android/launcher3/settings/NotificationDotsPreference.java
@@ -85,6 +85,12 @@
                 Settings.Secure.getUriFor(NOTIFICATION_ENABLED_LISTENERS),
                 false, mListenerListObserver);
         updateUI();
+
+        // Update intent
+        Bundle extras = new Bundle();
+        extras.putString(EXTRA_FRAGMENT_ARG_KEY, "notification_badging");
+        setIntent(new Intent("android.settings.NOTIFICATION_SETTINGS")
+                .putExtra(EXTRA_SHOW_FRAGMENT_ARGS, extras));
     }
 
     private void updateUI() {
diff --git a/src/com/android/launcher3/settings/PreferenceHighlighter.java b/src/com/android/launcher3/settings/PreferenceHighlighter.java
index 8ba8146..96ee216 100644
--- a/src/com/android/launcher3/settings/PreferenceHighlighter.java
+++ b/src/com/android/launcher3/settings/PreferenceHighlighter.java
@@ -24,16 +24,18 @@
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
+import android.graphics.RectF;
 import android.util.Property;
 import android.view.View;
 
-import com.android.launcher3.util.Themes;
-
+import androidx.preference.Preference;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.recyclerview.widget.RecyclerView.ItemDecoration;
 import androidx.recyclerview.widget.RecyclerView.State;
 import androidx.recyclerview.widget.RecyclerView.ViewHolder;
 
+import com.android.launcher3.util.Themes;
+
 /**
  * Utility class for highlighting a preference
  */
@@ -62,14 +64,16 @@
     private final Paint mPaint = new Paint();
     private final RecyclerView mRv;
     private final int mIndex;
+    private final Preference mPreference;
+    private final RectF mDrawRect = new RectF();
 
     private boolean mHighLightStarted = false;
     private int mHighlightColor = END_COLOR;
 
-
-    public PreferenceHighlighter(RecyclerView rv, int index) {
+    public PreferenceHighlighter(RecyclerView rv, int index, Preference preference) {
         mRv = rv;
         mIndex = index;
+        mPreference = preference;
     }
 
     @Override
@@ -92,7 +96,8 @@
         if (!mHighLightStarted) {
             // Start highlight
             int colorTo = setColorAlphaBound(Themes.getColorAccent(mRv.getContext()), 66);
-            ObjectAnimator anim = ObjectAnimator.ofArgb(this, HIGHLIGHT_COLOR, END_COLOR, colorTo);
+            ObjectAnimator anim = ObjectAnimator.ofArgb(this, HIGHLIGHT_COLOR, END_COLOR,
+                    colorTo);
             anim.setDuration(HIGHLIGHT_FADE_IN_DURATION);
             anim.setRepeatMode(ValueAnimator.REVERSE);
             anim.setRepeatCount(4);
@@ -108,7 +113,11 @@
 
         View view = holder.itemView;
         mPaint.setColor(mHighlightColor);
-        c.drawRect(0, view.getY(), parent.getWidth(), view.getY() + view.getHeight(), mPaint);
+        mDrawRect.set(0, view.getY(), parent.getWidth(), view.getY() + view.getHeight());
+        if (mPreference instanceof HighlightDelegate) {
+            ((HighlightDelegate) mPreference).offsetHighlight(view, mDrawRect);
+        }
+        c.drawRect(mDrawRect, mPaint);
     }
 
     private void removeHighlight() {
@@ -124,4 +133,16 @@
         });
         anim.start();
     }
+
+    /**
+     * Interface to be implemented by a preference to customize the highlight are
+     */
+    public interface HighlightDelegate {
+
+        /**
+         * Allows the preference to update the highlight area
+         */
+        void offsetHighlight(View prefView, RectF bounds);
+
+    }
 }
diff --git a/src/com/android/launcher3/settings/SettingsActivity.java b/src/com/android/launcher3/settings/SettingsActivity.java
index 5b42ac7..216510b 100644
--- a/src/com/android/launcher3/settings/SettingsActivity.java
+++ b/src/com/android/launcher3/settings/SettingsActivity.java
@@ -237,7 +237,9 @@
             RecyclerView list = getListView();
             PreferencePositionCallback callback = (PreferencePositionCallback) list.getAdapter();
             int position = callback.getPreferenceAdapterPosition(mHighLightKey);
-            return position >= 0 ? new PreferenceHighlighter(list, position) : null;
+            return position >= 0 ? new PreferenceHighlighter(
+                    list, position, screen.findPreference(mHighLightKey))
+                    : null;
         }
 
         private void requestAccessibilityFocus(@NonNull final RecyclerView rv) {
diff --git a/src/com/android/launcher3/shortcuts/DeepShortcutView.java b/src/com/android/launcher3/shortcuts/DeepShortcutView.java
index 1c1418c..cc658c9 100644
--- a/src/com/android/launcher3/shortcuts/DeepShortcutView.java
+++ b/src/com/android/launcher3/shortcuts/DeepShortcutView.java
@@ -30,12 +30,13 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.popup.PopupContainerWithArrow;
+import com.android.launcher3.views.BubbleTextHolder;
 
 /**
  * A {@link android.widget.FrameLayout} that contains a {@link DeepShortcutView}.
  * This lets us animate the DeepShortcutView (icon and text) separately from the background.
  */
-public class DeepShortcutView extends FrameLayout {
+public class DeepShortcutView extends FrameLayout implements BubbleTextHolder {
 
     private static final Point sTempPoint = new Point();
 
@@ -64,6 +65,7 @@
         mIconView = findViewById(R.id.icon);
     }
 
+    @Override
     public BubbleTextView getBubbleText() {
         return mBubbleText;
     }
diff --git a/src/com/android/launcher3/views/ArrowTipView.java b/src/com/android/launcher3/views/ArrowTipView.java
index 1f12a2f..89ff821 100644
--- a/src/com/android/launcher3/views/ArrowTipView.java
+++ b/src/com/android/launcher3/views/ArrowTipView.java
@@ -21,6 +21,7 @@
 import android.graphics.Paint;
 import android.graphics.drawable.ShapeDrawable;
 import android.os.Handler;
+import android.util.Log;
 import android.util.TypedValue;
 import android.view.Gravity;
 import android.view.MotionEvent;
@@ -29,6 +30,8 @@
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+import androidx.annotation.Px;
 import androidx.core.content.ContextCompat;
 
 import com.android.launcher3.AbstractFloatingView;
@@ -43,6 +46,7 @@
  */
 public class ArrowTipView extends AbstractFloatingView {
 
+    private static final String TAG = ArrowTipView.class.getSimpleName();
     private static final long AUTO_CLOSE_TIMEOUT_MILLIS = 10 * 1000;
     private static final long SHOW_DELAY_MS = 200;
     private static final long SHOW_DURATION_MS = 300;
@@ -105,7 +109,8 @@
                 arrowLp.width, arrowLp.height, false));
         Paint arrowPaint = arrowDrawable.getPaint();
         TypedValue typedValue = new TypedValue();
-        context.getTheme().resolveAttribute(android.R.attr.colorAccent, typedValue, true);
+        context.getTheme()
+                .resolveAttribute(android.R.attr.colorAccent, typedValue, true);
         arrowPaint.setColor(ContextCompat.getColor(getContext(), typedValue.resourceId));
         // The corner path effect won't be reflected in the shadow, but shouldn't be noticeable.
         arrowPaint.setPathEffect(new CornerPathEffect(
@@ -165,6 +170,60 @@
     }
 
     /**
+     * Show the ArrowTipView (tooltip) custom aligned.
+     *
+     * @param text The text to be shown in the tooltip.
+     * @param arrowXCoord The X coordinate for the arrow on the tip. The arrow is usually in the
+     *                    center of ArrowTipView unless the ArrowTipView goes beyond screen margin.
+     * @param yCoord The Y coordinate of the bottom of the tooltip.
+     * @return The tool tip view.
+     */
+    @Nullable public ArrowTipView showAtLocation(String text, int arrowXCoord, int yCoord) {
+        ViewGroup parent = mActivity.getDragLayer();
+        @Px int parentViewWidth = parent.getWidth();
+        @Px int textViewWidth = getContext().getResources()
+                .getDimensionPixelSize(R.dimen.widget_picker_education_tip_width);
+        @Px int minViewMargin = getContext().getResources()
+                .getDimensionPixelSize(R.dimen.widget_picker_education_tip_min_margin);
+        if (parentViewWidth < textViewWidth + 2 * minViewMargin) {
+            Log.w(TAG, "Cannot display tip on a small screen of size: " + parentViewWidth);
+            return null;
+        }
+
+        TextView textView = findViewById(R.id.text);
+        textView.setText(text);
+        textView.setWidth(textViewWidth);
+        parent.addView(this);
+        requestLayout();
+
+        post(() -> setY(yCoord - getHeight()));
+        post(() -> {
+            float halfWidth = getWidth() / 2f;
+            float xCoord;
+            if (arrowXCoord - halfWidth < minViewMargin) {
+                xCoord = minViewMargin;
+            } else if (arrowXCoord + halfWidth > parentViewWidth - minViewMargin) {
+                xCoord = parentViewWidth - minViewMargin - getWidth();
+            } else {
+                xCoord = arrowXCoord - halfWidth;
+            }
+            setX(xCoord);
+            findViewById(R.id.arrow).setX(arrowXCoord - xCoord);
+            requestLayout();
+        });
+
+        setAlpha(0);
+        animate()
+                .alpha(1f)
+                .withLayer()
+                .setStartDelay(SHOW_DELAY_MS)
+                .setDuration(SHOW_DURATION_MS)
+                .setInterpolator(Interpolators.DEACCEL)
+                .start();
+        return this;
+    }
+
+    /**
      * Register a callback fired when toast is hidden
      */
     public ArrowTipView setOnClosedCallback(Runnable runnable) {
diff --git a/src/com/android/launcher3/views/BubbleTextHolder.java b/src/com/android/launcher3/views/BubbleTextHolder.java
new file mode 100644
index 0000000..47d3563
--- /dev/null
+++ b/src/com/android/launcher3/views/BubbleTextHolder.java
@@ -0,0 +1,25 @@
+/*
+ * 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.
+ */
+package com.android.launcher3.views;
+
+import com.android.launcher3.BubbleTextView;
+
+/**
+ * Views that contain {@link BubbleTextView} should implement this interface.
+ */
+public interface BubbleTextHolder {
+    BubbleTextView getBubbleText();
+}
diff --git a/src/com/android/launcher3/views/FloatingIconView.java b/src/com/android/launcher3/views/FloatingIconView.java
index 23c3722..96268ce 100644
--- a/src/com/android/launcher3/views/FloatingIconView.java
+++ b/src/com/android/launcher3/views/FloatingIconView.java
@@ -210,8 +210,8 @@
     public static void getLocationBoundsForView(Launcher launcher, View v, boolean isOpening,
             RectF outRect, Rect outViewBounds) {
         boolean ignoreTransform = !isOpening;
-        if (v instanceof DeepShortcutView) {
-            v = ((DeepShortcutView) v).getBubbleText();
+        if (v instanceof BubbleTextHolder) {
+            v = ((BubbleTextHolder) v).getBubbleText();
             ignoreTransform = false;
         } else if (v.getParent() instanceof DeepShortcutView) {
             v = ((DeepShortcutView) v.getParent()).getIconView();
diff --git a/src/com/android/launcher3/widget/WidgetsBottomSheet.java b/src/com/android/launcher3/widget/WidgetsBottomSheet.java
index bbb0d92..0670928 100644
--- a/src/com/android/launcher3/widget/WidgetsBottomSheet.java
+++ b/src/com/android/launcher3/widget/WidgetsBottomSheet.java
@@ -170,9 +170,9 @@
         WidgetCell widget = (WidgetCell) LayoutInflater.from(getContext())
                 .inflate(R.layout.widget_cell, parent, false);
 
-        WidgetImageView preview = widget.findViewById(R.id.widget_preview);
-        preview.setOnClickListener(this);
-        preview.setOnLongClickListener(this);
+        View preview_container = widget.findViewById(R.id.widget_preview_container);
+        preview_container.setOnClickListener(this);
+        preview_container.setOnLongClickListener(this);
         widget.setAnimatePreview(false);
 
         parent.addView(widget);
diff --git a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
index a4257a2..90cd515 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
@@ -41,6 +41,7 @@
 
 import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
+import androidx.core.view.ViewCompat;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.android.launcher3.DeviceProfile;
@@ -51,6 +52,7 @@
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.compat.AccessibilityManagerCompat;
 import com.android.launcher3.model.WidgetItem;
+import com.android.launcher3.views.ArrowTipView;
 import com.android.launcher3.views.RecyclerViewFastScroller;
 import com.android.launcher3.views.TopRoundedCornerView;
 import com.android.launcher3.widget.BaseWidgetSheet;
@@ -66,6 +68,7 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Predicate;
+import java.util.stream.IntStream;
 
 /**
  * Popup for showing the full list of available widgets
@@ -78,11 +81,13 @@
 
     private static final long DEFAULT_OPEN_DURATION = 267;
     private static final long FADE_IN_DURATION = 150;
+    private static final long EDUCATION_TIP_DELAY_MS = 200;
     private static final float VERTICAL_START_POSITION = 0.3f;
     // The widget recommendation table can easily take over the entire screen on devices with small
     // resolution or landscape on phone. This ratio defines the max percentage of content area that
     // the table can display.
     private static final float RECOMMENDATION_TABLE_HEIGHT_RATIO = 0.75f;
+    private static final String WIDGETS_EDUCATION_TIP_SEEN = "launcher.widgets_education_tip_seen";
 
     private final Rect mInsets = new Rect();
     private final boolean mHasWorkProfile;
@@ -92,6 +97,35 @@
             mCurrentUser.equals(entry.mPkgItem.user);
     private final Predicate<WidgetsListBaseEntry> mWorkWidgetsFilter =
             mPrimaryWidgetsFilter.negate();
+    private final OnLayoutChangeListener mLayoutChangeListenerToShowTips =
+            new OnLayoutChangeListener() {
+                @Override
+                public void onLayoutChange(View v, int left, int top, int right, int bottom,
+                        int oldLeft, int oldTop, int oldRight, int oldBottom) {
+                    if (hasSeenEducationTip()) {
+                        removeOnLayoutChangeListener(this);
+                        return;
+                    }
+
+                    // Widgets are loaded asynchronously, We are adding a delay because we only want
+                    // to show the tip when the widget preview has finished loading and rendering in
+                    // this view.
+                    removeCallbacks(mShowEducationTipTask);
+                    postDelayed(mShowEducationTipTask, EDUCATION_TIP_DELAY_MS);
+                }
+            };
+
+    private final Runnable mShowEducationTipTask = () -> {
+        if (hasSeenEducationTip()) {
+            removeOnLayoutChangeListener(mLayoutChangeListenerToShowTips);
+            return;
+        }
+        View viewForTip = getViewToShowEducationTip();
+        if (viewForTip != null && ViewCompat.isLaidOut(viewForTip)) {
+            removeOnLayoutChangeListener(mLayoutChangeListenerToShowTips);
+            showEducationTipOnView(viewForTip);
+        }
+    };
     private final int mTabsHeight;
     private final int mWidgetCellHorizontalPadding;
 
@@ -170,6 +204,10 @@
 
         mSearchAndRecommendationViewHolder.mSearchBar.initialize(
                 mLauncher.getPopupDataProvider(), /* searchModeListener= */ this);
+
+        if (!hasSeenEducationTip()) {
+            addOnLayoutChangeListener(mLayoutChangeListenerToShowTips);
+        }
     }
 
     @Override
@@ -392,6 +430,7 @@
         mAdapters.get(AdapterHolder.SEARCH).mWidgetsListAdapter.setWidgetsOnSearch(entries);
         updateNoSearchResultsView(
                 mAdapters.get(AdapterHolder.SEARCH).mWidgetsListAdapter.getItemCount() == 0);
+        mAdapters.get(AdapterHolder.SEARCH).mWidgetsRecyclerView.scrollToTop();
     }
 
     private void setViewVisibilityBasedOnSearch(boolean isInSearchMode) {
@@ -563,6 +602,49 @@
         mSearchAndRecommendationViewHolder.mSearchBar.clearSearchBarFocus();
     }
 
+    private void showEducationTipOnView(View view) {
+        mLauncher.getSharedPrefs().edit().putBoolean(WIDGETS_EDUCATION_TIP_SEEN, true).apply();
+        int[] coords = new int[2];
+        view.getLocationOnScreen(coords);
+        ArrowTipView arrowTipView = new ArrowTipView(mLauncher);
+        arrowTipView.showAtLocation(
+                getContext().getString(R.string.long_press_widget_to_add),
+                /* arrowXCoord= */coords[0] + view.getWidth() / 2,
+                /* yCoord= */coords[1]);
+    }
+
+    @Nullable private View getViewToShowEducationTip() {
+        if (mSearchAndRecommendationViewHolder.mRecommendedWidgetsTable.getVisibility() == VISIBLE
+                && mSearchAndRecommendationViewHolder.mRecommendedWidgetsTable.getChildCount() > 0
+        ) {
+            return ((ViewGroup) mSearchAndRecommendationViewHolder.mRecommendedWidgetsTable
+                    .getChildAt(0)).getChildAt(0);
+        }
+
+        AdapterHolder adapterHolder = mAdapters.get(mIsInSearchMode
+                ? AdapterHolder.SEARCH
+                : mViewPager == null
+                        ? AdapterHolder.PRIMARY
+                        : mViewPager.getCurrentPage());
+        WidgetsRowViewHolder viewHolderForTip =
+                (WidgetsRowViewHolder) IntStream.range(
+                                0, adapterHolder.mWidgetsListAdapter.getItemCount())
+                        .mapToObj(adapterHolder.mWidgetsRecyclerView::
+                                findViewHolderForAdapterPosition)
+                        .filter(viewHolder -> viewHolder instanceof WidgetsRowViewHolder)
+                        .findFirst()
+                        .orElse(null);
+        if (viewHolderForTip != null) {
+            return ((ViewGroup) viewHolderForTip.mTableContainer.getChildAt(0)).getChildAt(0);
+        }
+
+        return null;
+    }
+
+    private boolean hasSeenEducationTip() {
+        return mLauncher.getSharedPrefs().getBoolean(WIDGETS_EDUCATION_TIP_SEEN, false);
+    }
+
     /** A holder class for holding adapters & their corresponding recycler view. */
     private final class AdapterHolder {
         static final int PRIMARY = 0;
diff --git a/src/com/android/launcher3/widget/picker/WidgetsListHeader.java b/src/com/android/launcher3/widget/picker/WidgetsListHeader.java
index 497c72e..8794a4a 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsListHeader.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsListHeader.java
@@ -156,6 +156,11 @@
     private void applyDrawables(Drawable icon) {
         icon.setBounds(0, 0, mIconSize, mIconSize);
 
+        LinearLayout.LayoutParams layoutParams =
+                (LinearLayout.LayoutParams) mAppIcon.getLayoutParams();
+        layoutParams.width = mIconSize;
+        layoutParams.height = mIconSize;
+        mAppIcon.setLayoutParams(layoutParams);
         mAppIcon.setImageDrawable(icon);
 
         // If the current icon is a placeholder color, animate its update.
diff --git a/src/com/android/launcher3/widget/picker/WidgetsRecommendationTableLayout.java b/src/com/android/launcher3/widget/picker/WidgetsRecommendationTableLayout.java
index 6569fb0..b95bb16 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsRecommendationTableLayout.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsRecommendationTableLayout.java
@@ -17,8 +17,10 @@
 
 import android.content.Context;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.Gravity;
 import android.view.LayoutInflater;
+import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TableLayout;
 import android.widget.TableRow;
@@ -31,14 +33,15 @@
 import com.android.launcher3.R;
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.widget.WidgetCell;
-import com.android.launcher3.widget.WidgetImageView;
 
 import java.util.ArrayList;
 import java.util.List;
 
 /** A {@link TableLayout} for showing recommended widgets. */
 public final class WidgetsRecommendationTableLayout extends TableLayout {
-    private static final float SCALE_DOWN_RATIO = 0.9f;
+    private static final String TAG = "WidgetsRecommendationTableLayout";
+    private static final float DOWN_SCALE_RATIO = 0.9f;
+    private static final float MAX_DOWN_SCALE_RATIO = 0.5f;
     private final DeviceProfile mDeviceProfile;
     private final float mWidgetCellTextViewsHeight;
 
@@ -119,9 +122,9 @@
                 getContext()).inflate(R.layout.widget_cell, parent, false);
 
         widget.setOnTouchListener(mWidgetCellOnTouchListener);
-        WidgetImageView preview = widget.findViewById(R.id.widget_preview);
-        preview.setOnClickListener(mWidgetCellOnClickListener);
-        preview.setOnLongClickListener(mWidgetCellOnLongClickListener);
+        View previewContainer = widget.findViewById(R.id.widget_preview_container);
+        previewContainer.setOnClickListener(mWidgetCellOnClickListener);
+        previewContainer.setOnLongClickListener(mWidgetCellOnLongClickListener);
         widget.setAnimatePreview(false);
 
         parent.addView(widget);
@@ -131,6 +134,10 @@
     private RecommendationTableData fitRecommendedWidgetsToTableSpace(
             float previewScale,
             List<ArrayList<WidgetItem>> recommendedWidgetsInTable) {
+        if (previewScale < MAX_DOWN_SCALE_RATIO) {
+            Log.w(TAG, "Hide recommended widgets. Can't down scale previews to " + previewScale);
+            return new RecommendationTableData(List.of(), previewScale);
+        }
         // A naive estimation of the widgets recommendation table height without inflation.
         float totalHeight = 0;
         for (int i = 0; i < recommendedWidgetsInTable.size(); i++) {
@@ -157,7 +164,7 @@
                             /* toIndex= */recommendedWidgetsInTable.size() - 1));
         }
 
-        float nextPreviewScale = previewScale * SCALE_DOWN_RATIO;
+        float nextPreviewScale = previewScale * DOWN_SCALE_RATIO;
         return fitRecommendedWidgetsToTableSpace(nextPreviewScale, recommendedWidgetsInTable);
     }
 
diff --git a/src/com/android/launcher3/widget/picker/WidgetsRecyclerView.java b/src/com/android/launcher3/widget/picker/WidgetsRecyclerView.java
index b016b4f..69672f2 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsRecyclerView.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsRecyclerView.java
@@ -243,4 +243,19 @@
          */
         int getHeaderViewHeight();
     }
+
+    @Override
+    public void scrollToTop() {
+        if (mScrollbar != null) {
+            mScrollbar.reattachThumbToScroll();
+        }
+
+        if (getLayoutManager() instanceof LinearLayoutManager) {
+            if (getCurrentScrollY() == 0) {
+                // We are at the top, so don't scrollToPosition (would cause unnecessary relayout).
+                return;
+            }
+        }
+        scrollToPosition(0);
+    }
 }
diff --git a/src/com/android/launcher3/widget/picker/search/WidgetsSearchBarController.java b/src/com/android/launcher3/widget/picker/search/WidgetsSearchBarController.java
index d35a75b..a8294c0 100644
--- a/src/com/android/launcher3/widget/picker/search/WidgetsSearchBarController.java
+++ b/src/com/android/launcher3/widget/picker/search/WidgetsSearchBarController.java
@@ -102,7 +102,7 @@
     @Override
     public void clearSearchResult() {
         mSearchAlgorithm.cancel(/* interruptActiveRequests= */ true);
-        mInput.getText().clear();
+        mInput.setText("");
         clearFocus();
         mSearchModeListener.exitSearchMode();
     }
diff --git a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
index f82f2cc..be18e54 100644
--- a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
+++ b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
@@ -36,6 +36,7 @@
 import com.android.launcher3.widget.picker.WidgetsDiffReporter;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -58,6 +59,9 @@
     private static final String TAG = "WidgetsModel";
     private static final boolean DEBUG = false;
 
+    private static final ComponentName CONVERSATION_WIDGET = ComponentName.createRelative(
+            "com.android.systemui", ".people.widget.PeopleSpaceWidgetProvider");
+
     /* Map of widgets and shortcuts that are tracked per package. */
     private final Map<PackageItemInfo, List<WidgetItem>> mWidgetsList = new HashMap<>();
 
@@ -156,7 +160,7 @@
 
         // Temporary list for {@link PackageItemInfos} to avoid having to go through
         // {@link mPackageItemInfos} to locate the key to be used for {@link #mWidgetsList}
-        HashMap<PackageUserKey, PackageItemInfo> tmpPackageItemInfos = new HashMap<>();
+        HashMap<WidgetPackageOrCategoryKey, PackageItemInfo> tmpPackageItemInfos = new HashMap<>();
 
         // Clear the lists only if this is an update on all widgets and shortcuts. If packageUser
         // isn't null, only updates the shortcuts and widgets for the app represented in
@@ -168,11 +172,11 @@
         mWidgetsList.putAll(rawWidgetsShortcuts.stream()
                 .filter(new WidgetValidityCheck(app))
                 .collect(Collectors.groupingBy(item -> {
-                    PackageUserKey packageUserKey = new PackageUserKey(
-                            item.componentName.getPackageName(), item.user);
+                    WidgetPackageOrCategoryKey packageUserKey = getWidgetPackageOrCategoryKey(item);
                     PackageItemInfo pInfo = tmpPackageItemInfos.get(packageUserKey);
                     if (pInfo == null) {
-                        pInfo = new PackageItemInfo(packageUserKey.mPackageName);
+                        pInfo = new PackageItemInfo(item.componentName.getPackageName(),
+                                packageUserKey.mCategory);
                         pInfo.user = item.user;
                         tmpPackageItemInfos.put(packageUserKey,  pInfo);
                     }
@@ -224,6 +228,13 @@
         return null;
     }
 
+    private WidgetPackageOrCategoryKey getWidgetPackageOrCategoryKey(WidgetItem item) {
+        if (CONVERSATION_WIDGET.equals(item.componentName)) {
+            return new WidgetPackageOrCategoryKey(PackageItemInfo.CONVERSATIONS, item.user);
+        }
+        return new WidgetPackageOrCategoryKey(item.componentName.getPackageName(), item.user);
+    }
+
     private static class WidgetValidityCheck implements Predicate<WidgetItem> {
 
         private final InvariantDeviceProfile mIdp;
@@ -265,4 +276,40 @@
             return true;
         }
     }
+
+    /** A hash key for grouping widgets by package name or category. */
+    private static class WidgetPackageOrCategoryKey {
+        /**
+         * The package name of the widget provider.
+         *
+         * <p>This shouldn't be empty if {@link #mCategory} has a value,
+         * {@link PackageItemInfo#NO_CATEGORY}.
+         */
+        public final String mPackage;
+        /** A widget category. */
+        @PackageItemInfo.Category public final int mCategory;
+        public final UserHandle mUser;
+        private final int mHashCode;
+
+        WidgetPackageOrCategoryKey(String packageName, UserHandle user) {
+            this(packageName,  PackageItemInfo.NO_CATEGORY, user);
+        }
+
+        WidgetPackageOrCategoryKey(@PackageItemInfo.Category int category, UserHandle user) {
+            this("", category, user);
+        }
+
+        private WidgetPackageOrCategoryKey(String packageName,
+                @PackageItemInfo.Category int category, UserHandle user) {
+            mPackage = packageName;
+            mCategory = category;
+            mUser = user;
+            mHashCode = Arrays.hashCode(new Object[]{mPackage, mCategory, mUser});
+        }
+
+        @Override
+        public int hashCode() {
+            return mHashCode;
+        }
+    }
 }
\ No newline at end of file
diff --git a/tests/res/layout/test_layout_appwidget_dynamic_colors.xml b/tests/res/layout/test_layout_appwidget_dynamic_colors.xml
index 21625c6..56c343e 100644
--- a/tests/res/layout/test_layout_appwidget_dynamic_colors.xml
+++ b/tests/res/layout/test_layout_appwidget_dynamic_colors.xml
@@ -14,7 +14,7 @@
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:text="prim"/>
+            android:text="neut1"/>
         <ImageView
             android:layout_width="24dp"
             android:layout_height="24dp"
@@ -28,7 +28,7 @@
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:text="second"/>
+            android:text="accent1"/>
         <ImageView
             android:layout_width="24dp"
             android:layout_height="24dp"
@@ -42,11 +42,11 @@
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:text="neutral"/>
+            android:text="accent2"/>
         <ImageView
             android:layout_width="24dp"
             android:layout_height="24dp"
-            android:background="@android:color/system_neutral2_500"/>
+            android:background="@android:color/system_accent2_500"/>
     </LinearLayout>
 
     </LinearLayout>
\ No newline at end of file
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index d4e8f1f..e7e245f 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -250,7 +250,7 @@
 
     @Before
     public void setUp() throws Exception {
-        Assert.assertTrue("Keyguard is visible",
+        Assert.assertTrue("Keyguard is visible, which is likely caused by a crash in SysUI",
                 TestHelpers.wait(
                         Until.gone(By.res(SYSTEMUI_PACKAGE, "keyguard_status_view")), 60000));