diff --git a/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java b/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java
index f8ac010..7bc34cf 100644
--- a/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java
@@ -30,11 +30,8 @@
 
 import com.android.launcher3.FolderInfo;
 import com.android.launcher3.ItemInfo;
-import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.icons.BitmapInfo;
-import com.android.launcher3.model.BgDataModel.Callbacks;
-import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.LauncherLayoutBuilder;
 import com.android.launcher3.util.LauncherModelHelper;
 import com.android.launcher3.util.LauncherRoboTestRunner;
@@ -46,8 +43,6 @@
 import org.robolectric.annotation.LooperMode;
 import org.robolectric.annotation.LooperMode.Mode;
 
-import java.util.ArrayList;
-
 /**
  * Tests for layout parser for remote layout
  */
@@ -120,18 +115,6 @@
     }
 
     private void writeLayoutAndLoad(LauncherLayoutBuilder builder) throws Exception {
-        mModelHelper.setupDefaultLayoutProvider(builder);
-
-        LoaderResults results = new LoaderResults(
-                LauncherAppState.getInstance(mTargetContext),
-                mModelHelper.getBgDataModel(),
-                mModelHelper.getAllAppsList(),
-                new Callbacks[0]);
-        LoaderTask task = new LoaderTask(
-                LauncherAppState.getInstance(mTargetContext),
-                mModelHelper.getAllAppsList(),
-                mModelHelper.getBgDataModel(),
-                results);
-        Executors.MODEL_EXECUTOR.submit(() -> task.loadWorkspace(new ArrayList<>())).get();
+        mModelHelper.setupDefaultLayoutProvider(builder).loadModelSync();
     }
 }
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java b/robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java
index f16ed33..76cb747 100644
--- a/robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java
+++ b/robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java
@@ -127,6 +127,10 @@
     @Override
     protected List<LauncherActivityInfo> getShortcutConfigActivityList(String packageName,
             UserHandle user) {
-        return Collections.emptyList();
+        Intent intent = new Intent(Intent.ACTION_CREATE_SHORTCUT).setPackage(packageName);
+        return RuntimeEnvironment.application.getPackageManager().queryIntentActivities(intent, 0)
+                .stream()
+                .map(ri -> getLauncherActivityInfo(ri.activityInfo))
+                .collect(Collectors.toList());
     }
 }
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/LShadowTypeface.java b/robolectric_tests/src/com/android/launcher3/shadows/LShadowTypeface.java
new file mode 100644
index 0000000..0e7c1de
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/shadows/LShadowTypeface.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.shadows;
+
+import android.graphics.Typeface;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.shadows.ShadowTypeface;
+
+/**
+ * Extension of {@link ShadowTypeface} with missing shadow methods
+ */
+@Implements(Typeface.class)
+public class LShadowTypeface extends ShadowTypeface {
+
+    @Implementation
+    public static Typeface create(Typeface family, int weight, boolean italic) {
+        int style = italic ? Typeface.ITALIC : Typeface.NORMAL;
+        if (weight >= 400) {
+            style |= Typeface.BOLD;
+        }
+        return create(family, style);
+    }
+}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/LShadowWallpaperManager.java b/robolectric_tests/src/com/android/launcher3/shadows/LShadowWallpaperManager.java
new file mode 100644
index 0000000..d60251c
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/shadows/LShadowWallpaperManager.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.shadows;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+
+import android.app.WallpaperManager;
+import android.content.Context;
+
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.Shadows;
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.shadows.ShadowApplication;
+import org.robolectric.shadows.ShadowUserManager;
+import org.robolectric.shadows.ShadowWallpaperManager;
+
+/**
+ * Extension of {@link ShadowUserManager} with missing shadow methods
+ */
+@Implements(WallpaperManager.class)
+public class LShadowWallpaperManager extends ShadowWallpaperManager {
+
+    @Implementation
+    protected static WallpaperManager getInstance(Context context) {
+        return context.getSystemService(WallpaperManager.class);
+    }
+
+    /**
+     * Remove this once the fix for
+     * https://github.com/robolectric/robolectric/issues/5285
+     * is available
+     */
+    public static void initializeMock() {
+        WallpaperManager wm = mock(WallpaperManager.class);
+        ShadowApplication shadowApplication = Shadows.shadowOf(RuntimeEnvironment.application);
+        shadowApplication.setSystemService(Context.WALLPAPER_SERVICE, wm);
+        doReturn(0).when(wm).getDesiredMinimumWidth();
+        doReturn(0).when(wm).getDesiredMinimumHeight();
+    }
+}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/ShadowOverrides.java b/robolectric_tests/src/com/android/launcher3/shadows/ShadowOverrides.java
new file mode 100644
index 0000000..131f691
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/shadows/ShadowOverrides.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.shadows;
+
+import android.content.Context;
+
+import com.android.launcher3.util.MainThreadInitializedObject.ObjectProvider;
+import com.android.launcher3.util.ResourceBasedOverride;
+import com.android.launcher3.util.ResourceBasedOverride.Overrides;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.shadow.api.Shadow;
+import org.robolectric.util.ReflectionHelpers.ClassParameter;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Shadow for {@link Overrides} to provide custom overrides for test
+ */
+@Implements(value = Overrides.class, isInAndroidSdk = false)
+public class ShadowOverrides {
+
+    private static Map<Class, ObjectProvider> sProviderMap = new HashMap<>();
+
+    @Implementation
+    public static <T extends ResourceBasedOverride> T getObject(
+            Class<T> clazz, Context context, int resId) {
+        ObjectProvider<T> provider = sProviderMap.get(clazz);
+        if (provider != null) {
+            return provider.get(context);
+        }
+        return Shadow.directlyOn(Overrides.class, "getObject",
+                ClassParameter.from(Class.class, clazz),
+                ClassParameter.from(Context.class, context),
+                ClassParameter.from(int.class, resId));
+    }
+
+    public static <T> void setProvider(Class<T> clazz, ObjectProvider<T> provider) {
+        sProviderMap.put(clazz, provider);
+    }
+
+    public static void clearProvider() {
+        sProviderMap.clear();
+    }
+}
diff --git a/robolectric_tests/src/com/android/launcher3/ui/LauncherUIScrollTest.java b/robolectric_tests/src/com/android/launcher3/ui/LauncherUIScrollTest.java
new file mode 100644
index 0000000..209bae0
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/ui/LauncherUIScrollTest.java
@@ -0,0 +1,207 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */package com.android.launcher3.ui;
+
+import static android.view.View.MeasureSpec.EXACTLY;
+import static android.view.View.MeasureSpec.makeMeasureSpec;
+
+import static com.android.launcher3.util.LauncherModelHelper.TEST_PACKAGE;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.mockito.Mockito.mock;
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.SystemClock;
+import android.provider.Settings;
+import android.view.InputDevice;
+import android.view.MotionEvent;
+import android.view.MotionEvent.PointerProperties;
+import android.view.View;
+
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.InvariantDeviceProfile;
+import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherState;
+import com.android.launcher3.folder.Folder;
+import com.android.launcher3.folder.FolderIcon;
+import com.android.launcher3.folder.FolderPagedView;
+import com.android.launcher3.logging.UserEventDispatcher;
+import com.android.launcher3.shadows.ShadowOverrides;
+import com.android.launcher3.util.LauncherLayoutBuilder;
+import com.android.launcher3.util.LauncherLayoutBuilder.FolderBuilder;
+import com.android.launcher3.util.LauncherModelHelper;
+import com.android.launcher3.util.LauncherRoboTestRunner;
+import com.android.launcher3.util.ViewOnDrawExecutor;
+import com.android.launcher3.widget.WidgetsFullSheet;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.LooperMode;
+import org.robolectric.annotation.LooperMode.Mode;
+import org.robolectric.shadows.ShadowLooper;
+import org.robolectric.util.ReflectionHelpers;
+
+/**
+ * Tests scroll behavior at various Launcher UI components
+ */
+@RunWith(LauncherRoboTestRunner.class)
+@LooperMode(Mode.PAUSED)
+public class LauncherUIScrollTest {
+
+    private Context mTargetContext;
+    private InvariantDeviceProfile mIdp;
+    private LauncherModelHelper mModelHelper;
+
+    private LauncherLayoutBuilder mLayoutBuilder;
+
+    @Before
+    public void setup() throws Exception {
+        mModelHelper = new LauncherModelHelper();
+        mTargetContext = RuntimeEnvironment.application;
+        mIdp = InvariantDeviceProfile.INSTANCE.get(mTargetContext);
+        ShadowOverrides.setProvider(UserEventDispatcher.class,
+                c -> mock(UserEventDispatcher.class));
+
+        Settings.Global.putFloat(mTargetContext.getContentResolver(),
+                Settings.Global.WINDOW_ANIMATION_SCALE, 0);
+
+        mModelHelper.installApp(TEST_PACKAGE);
+        // LayoutBuilder with 3 workspace pages
+        mLayoutBuilder = new LauncherLayoutBuilder()
+                .atWorkspace(0,  mIdp.numRows - 1, 0).putApp(TEST_PACKAGE, TEST_PACKAGE)
+                .atWorkspace(0,  mIdp.numRows - 1, 1).putApp(TEST_PACKAGE, TEST_PACKAGE)
+                .atWorkspace(0,  mIdp.numRows - 1, 2).putApp(TEST_PACKAGE, TEST_PACKAGE);
+    }
+
+    @Test
+    public void testWorkspacePagesBound() throws Exception {
+        // Verify that the workspace if bound synchronously
+        Launcher launcher = loadLauncher();
+        assertEquals(3, launcher.getWorkspace().getPageCount());
+        assertEquals(0, launcher.getWorkspace().getCurrentPage());
+
+        launcher.dispatchGenericMotionEvent(createScrollEvent(-1));
+        assertNotEquals("Workspace was not scrolled",
+                0, launcher.getWorkspace().getNextPage());
+    }
+
+    @Test
+    public void testAllAppsScroll() throws Exception {
+        // Install 100 apps
+        for (int i = 0; i < 100; i++) {
+            mModelHelper.installApp(TEST_PACKAGE + i);
+        }
+
+        // Bind and open all-apps
+        Launcher launcher = loadLauncher();
+        launcher.getStateManager().goToState(LauncherState.ALL_APPS, false);
+        doLayout(launcher);
+
+        int currentScroll = launcher.getAppsView().getActiveRecyclerView().getCurrentScrollY();
+        launcher.dispatchGenericMotionEvent(createScrollEvent(-1));
+        int newScroll = launcher.getAppsView().getActiveRecyclerView().getCurrentScrollY();
+
+        assertNotEquals("All Apps was not scrolled", currentScroll, newScroll);
+        assertEquals("Workspace was scrolled", 0, launcher.getWorkspace().getNextPage());
+    }
+
+    @Test
+    public void testWidgetsListScroll() throws Exception {
+        // Install 100 widgets
+        for (int i = 0; i < 100; i++) {
+            mModelHelper.installCustomShortcut(TEST_PACKAGE + i, "shortcutProvider");
+        }
+
+        // Bind and open widgets
+        Launcher launcher = loadLauncher();
+        WidgetsFullSheet widgets = WidgetsFullSheet.show(launcher, false);
+        doLayout(launcher);
+
+        int currentScroll = widgets.getRecyclerView().getCurrentScrollY();
+        launcher.dispatchGenericMotionEvent(createScrollEvent(-1));
+        int newScroll = widgets.getRecyclerView().getCurrentScrollY();
+        assertNotEquals("Widgets was not scrolled", currentScroll, newScroll);
+        assertEquals("Workspace was scrolled", 0, launcher.getWorkspace().getNextPage());
+    }
+
+    @Test
+    public void testFolderPageScroll() throws Exception {
+        // Add a folder with multiple icons
+        FolderBuilder fb = mLayoutBuilder.atWorkspace(mIdp.numColumns / 2, mIdp.numRows / 2, 0)
+                .putFolder(0);
+        for (int i = 0; i < 100; i++) {
+            fb.addApp(TEST_PACKAGE, TEST_PACKAGE);
+        }
+
+        // Bind and open folder
+        Launcher launcher = loadLauncher();
+        doLayout(launcher);
+        launcher.getWorkspace().getFirstMatch((i, v) -> v instanceof FolderIcon).performClick();
+        ShadowLooper.idleMainLooper();
+        doLayout(launcher);
+        FolderPagedView folderPages = Folder.getOpen(launcher).getContent();
+
+        assertEquals(0, folderPages.getNextPage());
+        launcher.dispatchGenericMotionEvent(createScrollEvent(-1));
+        assertNotEquals("Folder page was not scrolled", 0, folderPages.getNextPage());
+        assertEquals("Workspace was scrolled", 0, launcher.getWorkspace().getNextPage());
+    }
+
+    private Launcher loadLauncher() throws Exception {
+        mModelHelper.setupDefaultLayoutProvider(mLayoutBuilder).loadModelSync();
+
+        Launcher launcher = Robolectric.buildActivity(Launcher.class).setup().get();
+        doLayout(launcher);
+        ViewOnDrawExecutor executor = ReflectionHelpers.getField(launcher, "mPendingExecutor");
+        if (executor != null) {
+            executor.runAllTasks();
+        }
+        return launcher;
+    }
+
+    private static void doLayout(Activity activity) {
+        DeviceProfile dp = InvariantDeviceProfile.INSTANCE
+                .get(RuntimeEnvironment.application).portraitProfile;
+        View view = activity.getWindow().getDecorView();
+        view.measure(makeMeasureSpec(dp.widthPx, EXACTLY), makeMeasureSpec(dp.heightPx, EXACTLY));
+        view.layout(0, 0, dp.widthPx, dp.heightPx);
+        ShadowLooper.idleMainLooper();
+    }
+
+    private static MotionEvent createScrollEvent(int scroll) {
+        DeviceProfile dp = InvariantDeviceProfile.INSTANCE
+                .get(RuntimeEnvironment.application).portraitProfile;
+
+        final PointerProperties[] pointerProperties = new PointerProperties[1];
+        pointerProperties[0] = new PointerProperties();
+        pointerProperties[0].id = 0;
+        final MotionEvent.PointerCoords[] coords = new MotionEvent.PointerCoords[1];
+        coords[0] = new MotionEvent.PointerCoords();
+        coords[0].setAxisValue(MotionEvent.AXIS_VSCROLL, scroll);
+        coords[0].x = dp.widthPx / 2;
+        coords[0].y = dp.heightPx / 2;
+
+        final long time = SystemClock.uptimeMillis();
+        return MotionEvent.obtain(time, time, MotionEvent.ACTION_SCROLL, 1,
+                pointerProperties, coords, 0, 0, 1.0f, 1.0f, 0, 0,
+                InputDevice.SOURCE_CLASS_POINTER, 0);
+    }
+
+}
diff --git a/robolectric_tests/src/com/android/launcher3/util/LauncherModelHelper.java b/robolectric_tests/src/com/android/launcher3/util/LauncherModelHelper.java
index 20b1453..d593d84 100644
--- a/robolectric_tests/src/com/android/launcher3/util/LauncherModelHelper.java
+++ b/robolectric_tests/src/com/android/launcher3/util/LauncherModelHelper.java
@@ -15,6 +15,8 @@
  */
 package com.android.launcher3.util;
 
+import static android.content.Intent.ACTION_CREATE_SHORTCUT;
+
 import static com.android.launcher3.LauncherSettings.Favorites.CONTENT_URI;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
@@ -44,6 +46,7 @@
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.model.AllAppsList;
 import com.android.launcher3.model.BgDataModel;
+import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.pm.UserCache;
 
 import org.mockito.ArgumentCaptor;
@@ -61,6 +64,7 @@
 import java.lang.reflect.Field;
 import java.util.HashMap;
 import java.util.List;
+import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Executor;
 import java.util.function.Function;
 
@@ -345,7 +349,8 @@
     /**
      * Sets up a dummy provider to load the provided layout by default, next time the layout loads
      */
-    public void setupDefaultLayoutProvider(LauncherLayoutBuilder builder) throws Exception {
+    public LauncherModelHelper setupDefaultLayoutProvider(LauncherLayoutBuilder builder)
+            throws Exception {
         Context context = RuntimeEnvironment.application;
         InvariantDeviceProfile idp = InvariantDeviceProfile.INSTANCE.get(context);
         idp.numRows = idp.numColumns = idp.numHotseatIcons = DEFAULT_GRID_SIZE;
@@ -363,23 +368,53 @@
         Uri layoutUri = LauncherProvider.getLayoutUri(TEST_PROVIDER_AUTHORITY, context);
         shadowOf(context.getContentResolver()).registerInputStream(layoutUri,
                 new ByteArrayInputStream(bos.toByteArray()));
+        return this;
     }
 
     /**
      * Simulates an apk install with a default main activity with same class and package name
      */
     public void installApp(String component) throws NameNotFoundException {
-        ShadowPackageManager spm = shadowOf(RuntimeEnvironment.application.getPackageManager());
-        ComponentName cn = new ComponentName(component, component);
-        spm.addActivityIfNotPresent(cn);
-
         IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN);
         filter.addCategory(Intent.CATEGORY_LAUNCHER);
+        installApp(component, component, filter);
+    }
+
+    /**
+     * Simulates a custom shortcut install
+     */
+    public void installCustomShortcut(String pkg, String clazz) throws NameNotFoundException {
+        installApp(pkg, clazz, new IntentFilter(ACTION_CREATE_SHORTCUT));
+    }
+
+    private void installApp(String pkg, String clazz, IntentFilter filter)
+            throws NameNotFoundException {
+        ShadowPackageManager spm = shadowOf(RuntimeEnvironment.application.getPackageManager());
+        ComponentName cn = new ComponentName(pkg, clazz);
+        spm.addActivityIfNotPresent(cn);
+
         filter.addCategory(Intent.CATEGORY_DEFAULT);
         spm.addIntentFilterForActivity(cn, filter);
     }
 
     /**
+     * Loads the model in memory synchronously
+     */
+    public void loadModelSync() throws ExecutionException, InterruptedException {
+        // Since robolectric tests run on main thread, we run the loader-UI calls on a temp thread,
+        // so that we can wait appropriately for the loader to complete.
+        ReflectionHelpers.setField(getModel(), "mMainExecutor", Executors.UI_HELPER_EXECUTOR);
+
+        Callbacks mockCb = mock(Callbacks.class);
+        getModel().addCallbacksAndLoad(mockCb);
+
+        Executors.MODEL_EXECUTOR.submit(() -> { }).get();
+        Executors.UI_HELPER_EXECUTOR.submit(() -> { }).get();
+        ReflectionHelpers.setField(getModel(), "mMainExecutor", Executors.MAIN_EXECUTOR);
+        getModel().removeCallbacks(mockCb);
+    }
+
+    /**
      * An extension of LauncherProvider backed up by in-memory database.
      */
     public static class TestLauncherProvider extends LauncherProvider {
diff --git a/robolectric_tests/src/com/android/launcher3/util/LauncherRoboTestRunner.java b/robolectric_tests/src/com/android/launcher3/util/LauncherRoboTestRunner.java
index 6277c66..744b478b 100644
--- a/robolectric_tests/src/com/android/launcher3/util/LauncherRoboTestRunner.java
+++ b/robolectric_tests/src/com/android/launcher3/util/LauncherRoboTestRunner.java
@@ -21,10 +21,13 @@
 import com.android.launcher3.shadows.LShadowBackupManager;
 import com.android.launcher3.shadows.LShadowBitmap;
 import com.android.launcher3.shadows.LShadowLauncherApps;
+import com.android.launcher3.shadows.LShadowTypeface;
 import com.android.launcher3.shadows.LShadowUserManager;
+import com.android.launcher3.shadows.LShadowWallpaperManager;
 import com.android.launcher3.shadows.ShadowDeviceFlag;
 import com.android.launcher3.shadows.ShadowLooperExecutor;
 import com.android.launcher3.shadows.ShadowMainThreadInitializedObject;
+import com.android.launcher3.shadows.ShadowOverrides;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 
 import org.junit.runners.model.InitializationError;
@@ -49,9 +52,12 @@
             LShadowLauncherApps.class,
             LShadowBitmap.class,
             LShadowBackupManager.class,
+            LShadowTypeface.class,
+            LShadowWallpaperManager.class,
             ShadowLooperExecutor.class,
             ShadowMainThreadInitializedObject.class,
             ShadowDeviceFlag.class,
+            ShadowOverrides.class
     };
 
     public LauncherRoboTestRunner(Class<?> testClass) throws InitializationError {
@@ -78,6 +84,9 @@
 
             // Disable plugins
             PluginManagerWrapper.INSTANCE.initializeForTesting(mock(PluginManagerWrapper.class));
+
+            // Initialize mock wallpaper manager
+            LShadowWallpaperManager.initializeMock();
         }
 
         @Override
@@ -86,6 +95,7 @@
 
             ShadowLog.stream = null;
             ShadowMainThreadInitializedObject.resetInitializedObjects();
+            ShadowOverrides.clearProvider();
         }
     }
 }
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 7d7739e..5e47e2f 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -16,6 +16,14 @@
 
 package com.android.launcher3;
 
+import static com.android.launcher3.compat.AccessibilityManagerCompat.isAccessibilityEnabled;
+import static com.android.launcher3.compat.AccessibilityManagerCompat.isObservedEventType;
+import static com.android.launcher3.config.FeatureFlags.QUICKSTEP_SPRINGS;
+import static com.android.launcher3.touch.OverScroll.OVERSCROLL_DAMP_FACTOR;
+import static com.android.launcher3.touch.PagedOrientationHandler.CANVAS_TRANSLATE;
+import static com.android.launcher3.touch.PagedOrientationHandler.VIEW_SCROLL_BY;
+import static com.android.launcher3.touch.PagedOrientationHandler.VIEW_SCROLL_TO;
+
 import android.animation.LayoutTransition;
 import android.animation.TimeInterpolator;
 import android.annotation.SuppressLint;
@@ -42,14 +50,6 @@
 import android.view.animation.Interpolator;
 import android.widget.ScrollView;
 
-import static com.android.launcher3.compat.AccessibilityManagerCompat.isAccessibilityEnabled;
-import static com.android.launcher3.compat.AccessibilityManagerCompat.isObservedEventType;
-import static com.android.launcher3.config.FeatureFlags.QUICKSTEP_SPRINGS;
-import static com.android.launcher3.touch.OverScroll.OVERSCROLL_DAMP_FACTOR;
-import static com.android.launcher3.touch.PagedOrientationHandler.CANVAS_TRANSLATE;
-import static com.android.launcher3.touch.PagedOrientationHandler.VIEW_SCROLL_BY;
-import static com.android.launcher3.touch.PagedOrientationHandler.VIEW_SCROLL_TO;
-
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.anim.Interpolators;
@@ -63,6 +63,7 @@
 import com.android.launcher3.touch.PortraitPagedViewHandler;
 import com.android.launcher3.util.OverScroller;
 import com.android.launcher3.util.Thunk;
+import com.android.launcher3.views.ActivityContext;
 
 import java.util.ArrayList;
 
@@ -1369,10 +1370,6 @@
         if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
             switch (event.getAction()) {
                 case MotionEvent.ACTION_SCROLL: {
-                    Launcher launcher = Launcher.getLauncher(getContext());
-                    if (launcher != null) {
-                        AbstractFloatingView.closeAllOpenViews(launcher);
-                    }
                     // Handle mouse (or ext. device) by shifting the page depending on the scroll
                     final float vscroll;
                     final float hscroll;
@@ -1383,8 +1380,8 @@
                         vscroll = -event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                         hscroll = event.getAxisValue(MotionEvent.AXIS_HSCROLL);
                     }
-                    if (Math.abs(vscroll) > Math.abs(hscroll) && !isVerticalScrollable()) {
-                        return true;
+                    if (!canScroll(Math.abs(vscroll), Math.abs(hscroll))) {
+                        return false;
                     }
                     if (hscroll != 0 || vscroll != 0) {
                         boolean isForwardScroll = mIsRtl ? (hscroll < 0 || vscroll < 0)
@@ -1402,8 +1399,13 @@
         return super.onGenericMotionEvent(event);
     }
 
-    protected boolean isVerticalScrollable() {
-        return true;
+    /**
+     * Returns true if the paged view can scroll for the provided vertical and horizontal
+     * scroll values
+     */
+    protected boolean canScroll(float absVScroll, float absHScroll) {
+        ActivityContext ac = ActivityContext.lookupContext(getContext());
+        return (ac == null || AbstractFloatingView.getTopOpenView(ac) == null);
     }
 
     private void acquireVelocityTrackerAndAddMovement(MotionEvent ev) {
diff --git a/src/com/android/launcher3/allapps/AllAppsPagedView.java b/src/com/android/launcher3/allapps/AllAppsPagedView.java
index ab4cb6b..f640c3e 100644
--- a/src/com/android/launcher3/allapps/AllAppsPagedView.java
+++ b/src/com/android/launcher3/allapps/AllAppsPagedView.java
@@ -83,7 +83,7 @@
     }
 
     @Override
-    protected boolean isVerticalScrollable() {
-        return false;
+    protected boolean canScroll(float absVScroll, float absHScroll) {
+        return (absHScroll > absVScroll) && super.canScroll(absVScroll, absHScroll);
     }
 }
diff --git a/src/com/android/launcher3/folder/Folder.java b/src/com/android/launcher3/folder/Folder.java
index 365e76f..c241dc2 100644
--- a/src/com/android/launcher3/folder/Folder.java
+++ b/src/com/android/launcher3/folder/Folder.java
@@ -1648,6 +1648,10 @@
         }
     }
 
+    public FolderPagedView getContent() {
+        return mContent;
+    }
+
     private void logEditFolderLabel() {
         LauncherEvent launcherEvent = LauncherEvent.newBuilder()
                 .setAction(Action.newBuilder().setType(Action.Type.SOFT_KEYBOARD))
diff --git a/src/com/android/launcher3/folder/FolderAnimationManager.java b/src/com/android/launcher3/folder/FolderAnimationManager.java
index b83609e..3d72b49 100644
--- a/src/com/android/launcher3/folder/FolderAnimationManager.java
+++ b/src/com/android/launcher3/folder/FolderAnimationManager.java
@@ -115,6 +115,7 @@
      */
     public AnimatorSet getAnimator() {
         final DragLayer.LayoutParams lp = (DragLayer.LayoutParams) mFolder.getLayoutParams();
+        mFolderIcon.getPreviewItemManager().recomputePreviewDrawingParams();
         ClippedFolderIconLayoutRule rule = mFolderIcon.getLayoutRule();
         final List<BubbleTextView> itemsInPreview = getPreviewIconsOnPage(0);
 
diff --git a/src/com/android/launcher3/folder/FolderPagedView.java b/src/com/android/launcher3/folder/FolderPagedView.java
index c6d62f8..dcd0e14 100644
--- a/src/com/android/launcher3/folder/FolderPagedView.java
+++ b/src/com/android/launcher3/folder/FolderPagedView.java
@@ -16,6 +16,9 @@
 
 package com.android.launcher3.folder;
 
+import static com.android.launcher3.AbstractFloatingView.TYPE_ALL;
+import static com.android.launcher3.AbstractFloatingView.TYPE_FOLDER;
+
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.graphics.Canvas;
@@ -27,6 +30,7 @@
 import android.view.View;
 import android.view.ViewDebug;
 
+import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.CellLayout;
@@ -258,7 +262,7 @@
     @Override
     protected void onScrollChanged(int l, int t, int oldl, int oldt) {
         super.onScrollChanged(l, t, oldl, oldt);
-        mPageIndicator.setScroll(l, mMaxScroll);
+        if (mMaxScroll > 0) mPageIndicator.setScroll(l, mMaxScroll);
     }
 
     /**
@@ -614,6 +618,12 @@
         }
     }
 
+    @Override
+    protected boolean canScroll(float absVScroll, float absHScroll) {
+        return AbstractFloatingView.getTopOpenViewWithType(mFolder.mLauncher,
+                TYPE_ALL & ~TYPE_FOLDER) == null;
+    }
+
     public int itemsPerPage() {
         return mOrganizer.getMaxItemsPerPage();
     }
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 62904ae..fc0997b 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -45,8 +45,6 @@
 import android.util.MutableInt;
 import android.util.TimingLogger;
 
-import androidx.annotation.VisibleForTesting;
-
 import com.android.launcher3.AppInfo;
 import com.android.launcher3.FolderInfo;
 import com.android.launcher3.InstallShortcutReceiver;
@@ -282,8 +280,7 @@
         this.notify();
     }
 
-    @VisibleForTesting
-    void loadWorkspace(List<ShortcutInfo> allDeepShortcuts) {
+    private void loadWorkspace(List<ShortcutInfo> allDeepShortcuts) {
         loadWorkspace(allDeepShortcuts, LauncherSettings.Favorites.CONTENT_URI);
     }
 
diff --git a/src/com/android/launcher3/widget/WidgetsFullSheet.java b/src/com/android/launcher3/widget/WidgetsFullSheet.java
index b07a4f4..d7a814a 100644
--- a/src/com/android/launcher3/widget/WidgetsFullSheet.java
+++ b/src/com/android/launcher3/widget/WidgetsFullSheet.java
@@ -87,6 +87,11 @@
         onWidgetsBound();
     }
 
+    @VisibleForTesting
+    public WidgetsRecyclerView getRecyclerView() {
+        return mRecyclerView;
+    }
+
     @Override
     protected Pair<View, String> getAccessibilityTarget() {
         return Pair.create(mRecyclerView, getContext().getString(