diff --git a/Android.mk b/Android.mk
index 3d1d996..5def65f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -200,7 +200,7 @@
     $(LOCAL_PATH)/quickstep/recents_ui_overrides/res
 
 LOCAL_FULL_LIBS_MANIFEST_FILES := \
-    $(LOCAL_PATH)/AndroidManifest.xml \
+    $(LOCAL_PATH)/quickstep/AndroidManifest-launcher.xml \
     $(LOCAL_PATH)/AndroidManifest-common.xml
 
 LOCAL_MANIFEST_FILE := quickstep/AndroidManifest.xml
@@ -247,7 +247,7 @@
 
 LOCAL_FULL_LIBS_MANIFEST_FILES := \
     $(LOCAL_PATH)/go/AndroidManifest.xml \
-    $(LOCAL_PATH)/AndroidManifest.xml \
+    $(LOCAL_PATH)/quickstep/AndroidManifest-launcher.xml \
     $(LOCAL_PATH)/AndroidManifest-common.xml
 
 LOCAL_MANIFEST_FILE := quickstep/AndroidManifest.xml
@@ -293,7 +293,7 @@
 
 LOCAL_FULL_LIBS_MANIFEST_FILES := \
     $(LOCAL_PATH)/go/AndroidManifest.xml \
-    $(LOCAL_PATH)/AndroidManifest.xml \
+    $(LOCAL_PATH)/quickstep/AndroidManifest-launcher.xml \
     $(LOCAL_PATH)/AndroidManifest-common.xml
 
 LOCAL_MANIFEST_FILE := quickstep/AndroidManifest.xml
diff --git a/go/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/go/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
new file mode 100644
index 0000000..0c60468
--- /dev/null
+++ b/go/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -0,0 +1,46 @@
+/**
+ * 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.uioverrides;
+
+import com.android.launcher3.BaseQuickstepLauncher;
+import com.android.launcher3.uioverrides.touchcontrollers.LandscapeEdgeSwipeController;
+import com.android.launcher3.uioverrides.touchcontrollers.LandscapeStatesTouchController;
+import com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController;
+import com.android.launcher3.util.TouchController;
+import com.android.quickstep.SysUINavigationMode;
+
+import java.util.ArrayList;
+
+public class QuickstepLauncher extends BaseQuickstepLauncher {
+
+    public static final boolean GO_LOW_RAM_RECENTS_ENABLED = true;
+
+    @Override
+    public TouchController[] createTouchControllers() {
+        ArrayList<TouchController> list = new ArrayList<>();
+        list.add(getDragController());
+
+        if (getDeviceProfile().isVerticalBarLayout()) {
+            list.add(new LandscapeStatesTouchController(this));
+            list.add(new LandscapeEdgeSwipeController(this));
+        } else {
+            boolean allowDragToOverview = SysUINavigationMode.INSTANCE.get(this)
+                    .getMode().hasGestures;
+            list.add(new PortraitStatesTouchController(this, allowDragToOverview));
+        }
+        return list.toArray(new TouchController[list.size()]);
+    }
+}
diff --git a/go/quickstep/src/com/android/launcher3/uioverrides/RecentsUiFactory.java b/go/quickstep/src/com/android/launcher3/uioverrides/RecentsUiFactory.java
deleted file mode 100644
index d5ea1ec..0000000
--- a/go/quickstep/src/com/android/launcher3/uioverrides/RecentsUiFactory.java
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.uioverrides;
-
-import com.android.launcher3.DeviceProfile;
-import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherStateManager.StateHandler;
-import com.android.launcher3.Utilities;
-import com.android.launcher3.graphics.RotationMode;
-import com.android.launcher3.uioverrides.touchcontrollers.LandscapeEdgeSwipeController;
-import com.android.launcher3.uioverrides.touchcontrollers.LandscapeStatesTouchController;
-import com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController;
-import com.android.launcher3.uioverrides.touchcontrollers.StatusBarTouchController;
-import com.android.launcher3.util.TouchController;
-import com.android.quickstep.SysUINavigationMode;
-import com.android.quickstep.views.IconRecentsView;
-
-import java.util.ArrayList;
-
-/**
- * Provides recents-related {@link UiFactory} logic and classes.
- */
-public abstract class RecentsUiFactory {
-
-    public static final boolean GO_LOW_RAM_RECENTS_ENABLED = true;
-
-    public static TouchController[] createTouchControllers(Launcher launcher) {
-        ArrayList<TouchController> list = new ArrayList<>();
-        list.add(launcher.getDragController());
-
-        if (launcher.getDeviceProfile().isVerticalBarLayout()) {
-            list.add(new LandscapeStatesTouchController(launcher));
-            list.add(new LandscapeEdgeSwipeController(launcher));
-        } else {
-            boolean allowDragToOverview = SysUINavigationMode.INSTANCE.get(launcher)
-                    .getMode().hasGestures;
-            list.add(new PortraitStatesTouchController(launcher, allowDragToOverview));
-        }
-        if (Utilities.IS_DEBUG_DEVICE
-                && !launcher.getDeviceProfile().isMultiWindowMode
-                && !launcher.getDeviceProfile().isVerticalBarLayout()) {
-            list.add(new StatusBarTouchController(launcher));
-        }
-        return list.toArray(new TouchController[list.size()]);
-    }
-
-    /**
-     * Creates and returns the controller responsible for recents view state transitions.
-     *
-     * @param launcher the launcher activity
-     * @return state handler for recents
-     */
-    public static StateHandler createRecentsViewStateController(Launcher launcher) {
-        return new RecentsViewStateController(launcher);
-    }
-
-    /**
-     * Clean-up logic that occurs when recents is no longer in use/visible.
-     *
-     * @param launcher the launcher activity
-     */
-    public static void resetOverview(Launcher launcher) {
-        IconRecentsView recentsView = launcher.getOverviewPanel();
-        recentsView.setTransitionedFromApp(false);
-    }
-
-    /**
-     * Recents logic that triggers when launcher state changes or launcher activity stops/resumes.
-     *
-     * @param launcher the launcher activity
-     */
-    public static void onLauncherStateOrResumeChanged(Launcher launcher) {}
-
-    public static RotationMode getRotationMode(DeviceProfile dp) {
-        return RotationMode.NORMAL;
-    }
-}
diff --git a/quickstep/AndroidManifest-launcher.xml b/quickstep/AndroidManifest-launcher.xml
new file mode 100644
index 0000000..60afddb
--- /dev/null
+++ b/quickstep/AndroidManifest-launcher.xml
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 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.
+*/
+-->
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.launcher3">
+    <uses-sdk android:targetSdkVersion="29" android:minSdkVersion="25"/>
+    <!--
+    Manifest entries specific to Launcher3. This is merged with AndroidManifest-common.xml.
+    Refer comments around specific entries on how to extend individual components.
+    -->
+
+    <application
+        android:backupAgent="com.android.launcher3.LauncherBackupAgent"
+        android:fullBackupOnly="true"
+        android:fullBackupContent="@xml/backupscheme"
+        android:hardwareAccelerated="true"
+        android:icon="@drawable/ic_launcher_home"
+        android:label="@string/derived_app_name"
+        android:theme="@style/AppTheme"
+        android:largeHeap="@bool/config_largeHeap"
+        android:restoreAnyVersion="true"
+        android:supportsRtl="true" >
+
+        <!--
+        Main launcher activity. When extending only change the name, and keep all the
+        attributes and intent filters the same
+        -->
+        <activity
+            android:name="com.android.launcher3.uioverrides.QuickstepLauncher"
+            android:launchMode="singleTask"
+            android:clearTaskOnLaunch="true"
+            android:stateNotNeeded="true"
+            android:windowSoftInputMode="adjustPan"
+            android:screenOrientation="unspecified"
+            android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize"
+            android:resizeableActivity="true"
+            android:resumeWhilePausing="true"
+            android:taskAffinity=""
+            android:enabled="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.HOME" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.MONKEY"/>
+                <category android:name="android.intent.category.LAUNCHER_APP" />
+            </intent-filter>
+            <meta-data
+                android:name="com.android.launcher3.grid.control"
+                android:value="${packageName}.grid_control" />
+        </activity>
+
+    </application>
+</manifest>
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsUiFactory.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
similarity index 76%
rename from quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsUiFactory.java
rename to quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 2a22e9d..43cdbdb 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsUiFactory.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -1,4 +1,4 @@
-/*
+/**
  * Copyright (C) 2019 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package com.android.launcher3.uioverrides;
 
 import static com.android.launcher3.LauncherState.NORMAL;
@@ -21,13 +20,14 @@
 import static com.android.quickstep.SysUINavigationMode.Mode.NO_BUTTON;
 
 import android.content.Context;
+import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.view.Gravity;
 
+import com.android.launcher3.BaseQuickstepLauncher;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
-import com.android.launcher3.LauncherStateManager.StateHandler;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.uioverrides.touchcontrollers.FlingAndHoldTouchController;
@@ -49,21 +49,15 @@
 
 import java.util.ArrayList;
 
-/**
- * Provides recents-related {@link UiFactory} logic and classes.
- */
-public abstract class RecentsUiFactory {
-
-    private static final String TAG = RecentsUiFactory.class.getSimpleName();
+public class QuickstepLauncher extends BaseQuickstepLauncher {
 
     public static final boolean GO_LOW_RAM_RECENTS_ENABLED = false;
 
     /**
      * Reusable command for applying the shelf height on the background thread.
      */
-    public static final AsyncCommand SET_SHELF_HEIGHT = (context, arg1, arg2) -> {
-        SystemUiProxy.INSTANCE.get(context).setShelfHeight(arg1 != 0, arg2);
-    };
+    public static final AsyncCommand SET_SHELF_HEIGHT = (context, arg1, arg2) ->
+            SystemUiProxy.INSTANCE.get(context).setShelfHeight(arg1 != 0, arg2);
 
     public static RotationMode ROTATION_LANDSCAPE = new RotationMode(-90) {
         @Override
@@ -138,71 +132,78 @@
         }
     };
 
-    public static RotationMode getRotationMode(DeviceProfile dp) {
+    @Override
+    protected RotationMode getFakeRotationMode(DeviceProfile dp) {
         return !dp.isVerticalBarLayout() ? RotationMode.NORMAL
                 : (dp.isSeascape() ? ROTATION_SEASCAPE : ROTATION_LANDSCAPE);
     }
 
-    public static TouchController[] createTouchControllers(Launcher launcher) {
-        Mode mode = SysUINavigationMode.getMode(launcher);
-
-        ArrayList<TouchController> list = new ArrayList<>();
-        list.add(launcher.getDragController());
-        if (mode == NO_BUTTON) {
-            list.add(new QuickSwitchTouchController(launcher));
-            list.add(new NavBarToHomeTouchController(launcher));
-            list.add(new FlingAndHoldTouchController(launcher));
-        } else {
-            if (launcher.getDeviceProfile().isVerticalBarLayout()) {
-                list.add(new OverviewToAllAppsTouchController(launcher));
-                list.add(new LandscapeEdgeSwipeController(launcher));
-                if (mode.hasGestures) {
-                    list.add(new TransposedQuickSwitchTouchController(launcher));
-                }
-            } else {
-                list.add(new PortraitStatesTouchController(launcher,
-                        mode.hasGestures /* allowDragToOverview */));
-                if (mode.hasGestures) {
-                    list.add(new QuickSwitchTouchController(launcher));
-                }
-            }
-        }
-
-        if (!launcher.getDeviceProfile().isMultiWindowMode) {
-            list.add(new StatusBarTouchController(launcher));
-        }
-
-        list.add(new LauncherTaskViewController(launcher));
-        return list.toArray(new TouchController[list.size()]);
+    @Override
+    public void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        onStateOrResumeChanged();
     }
 
-    /**
-     * Creates and returns the controller responsible for recents view state transitions.
-     *
-     * @param launcher the launcher activity
-     * @return state handler for recents
-     */
-    public static StateHandler createRecentsViewStateController(Launcher launcher) {
-        return new RecentsViewStateController(launcher);
+    @Override
+    protected void onActivityFlagsChanged(int changeBits) {
+        super.onActivityFlagsChanged(changeBits);
+
+        if ((changeBits & (ACTIVITY_STATE_DEFERRED_RESUMED | ACTIVITY_STATE_STARTED
+                | ACTIVITY_STATE_USER_ACTIVE | ACTIVITY_STATE_TRANSITION_ACTIVE)) != 0
+                && (getActivityFlags() & ACTIVITY_STATE_TRANSITION_ACTIVE) == 0) {
+            onStateOrResumeChanged();
+        }
     }
 
     /**
      * Recents logic that triggers when launcher state changes or launcher activity stops/resumes.
-     *
-     * @param launcher the launcher activity
      */
-    public static void onLauncherStateOrResumeChanged(Launcher launcher) {
-        LauncherState state = launcher.getStateManager().getState();
-        DeviceProfile profile = launcher.getDeviceProfile();
-        boolean visible = (state == NORMAL || state == OVERVIEW) && launcher.isUserActive()
+    private void onStateOrResumeChanged() {
+        LauncherState state = getStateManager().getState();
+        DeviceProfile profile = getDeviceProfile();
+        boolean visible = (state == NORMAL || state == OVERVIEW) && isUserActive()
                 && !profile.isVerticalBarLayout();
-        UiThreadHelper.runAsyncCommand(launcher, SET_SHELF_HEIGHT, visible ? 1 : 0,
+        UiThreadHelper.runAsyncCommand(this, SET_SHELF_HEIGHT, visible ? 1 : 0,
                 profile.hotseatBarSizePx);
         if (state == NORMAL) {
-            launcher.<RecentsView>getOverviewPanel().setSwipeDownShouldLaunchApp(false);
+            ((RecentsView) getOverviewPanel()).setSwipeDownShouldLaunchApp(false);
         }
     }
 
+    @Override
+    public TouchController[] createTouchControllers() {
+        Mode mode = SysUINavigationMode.getMode(this);
+
+        ArrayList<TouchController> list = new ArrayList<>();
+        list.add(getDragController());
+        if (mode == NO_BUTTON) {
+            list.add(new QuickSwitchTouchController(this));
+            list.add(new NavBarToHomeTouchController(this));
+            list.add(new FlingAndHoldTouchController(this));
+        } else {
+            if (getDeviceProfile().isVerticalBarLayout()) {
+                list.add(new OverviewToAllAppsTouchController(this));
+                list.add(new LandscapeEdgeSwipeController(this));
+                if (mode.hasGestures) {
+                    list.add(new TransposedQuickSwitchTouchController(this));
+                }
+            } else {
+                list.add(new PortraitStatesTouchController(this,
+                        mode.hasGestures /* allowDragToOverview */));
+                if (mode.hasGestures) {
+                    list.add(new QuickSwitchTouchController(this));
+                }
+            }
+        }
+
+        if (!getDeviceProfile().isMultiWindowMode) {
+            list.add(new StatusBarTouchController(this));
+        }
+
+        list.add(new LauncherTaskViewController(this));
+        return list.toArray(new TouchController[list.size()]);
+    }
+
     private static final class LauncherTaskViewController extends
             TaskViewTouchController<Launcher> {
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java
index 3d1ecef..f889bc1 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java
@@ -75,6 +75,9 @@
     @Override
     public void onSwipeUpToRecentsComplete() {
         RecentsActivity activity = getCreatedActivity();
+        if (activity == null) {
+            return;
+        }
         RecentsView recentsView = activity.getOverviewPanel();
         recentsView.getClearAllButton().setVisibilityAlpha(1);
         recentsView.setDisallowScrollToClearAll(false);
@@ -236,12 +239,18 @@
     public void onLaunchTaskFailed() {
         // TODO: probably go back to overview instead.
         RecentsActivity activity = getCreatedActivity();
+        if (activity == null) {
+            return;
+        }
         activity.<RecentsView>getOverviewPanel().startHome();
     }
 
     @Override
     public void onLaunchTaskSuccess() {
         RecentsActivity activity = getCreatedActivity();
+        if (activity == null) {
+            return;
+        }
         activity.onTaskLaunched();
     }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java
index 4406314..48b8fc6 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java
@@ -94,6 +94,9 @@
     @Override
     public void onTransitionCancelled(boolean activityVisible) {
         Launcher launcher = getCreatedActivity();
+        if (launcher == null) {
+            return;
+        }
         LauncherState startState = launcher.getStateManager().getRestState();
         launcher.getStateManager().goToState(startState, activityVisible);
     }
@@ -102,32 +105,40 @@
     public void onSwipeUpToRecentsComplete() {
         // Re apply state in case we did something funky during the transition.
         Launcher launcher = getCreatedActivity();
+        if (launcher == null) {
+            return;
+        }
         launcher.getStateManager().reapplyState();
         DiscoveryBounce.showForOverviewIfNeeded(launcher);
     }
 
     @Override
     public void onSwipeUpToHomeComplete() {
+        Launcher launcher = getCreatedActivity();
+        if (launcher == null) {
+            return;
+        }
         // Ensure recents is at the correct position for NORMAL state. For example, when we detach
         // recents, we assume the first task is invisible, making translation off by one task.
-        Launcher launcher = getCreatedActivity();
         launcher.getStateManager().reapplyState();
         setLauncherHideBackArrow(false);
     }
 
     private void setLauncherHideBackArrow(boolean hideBackArrow) {
         Launcher launcher = getCreatedActivity();
-        if (launcher != null) {
-            launcher.getRootView().setForceHideBackArrow(hideBackArrow);
+        if (launcher == null) {
+            return;
         }
+        launcher.getRootView().setForceHideBackArrow(hideBackArrow);
     }
 
     @Override
     public void onAssistantVisibilityChanged(float visibility) {
         Launcher launcher = getCreatedActivity();
-        if (launcher != null) {
-            launcher.onAssistantVisibilityChanged(visibility);
+        if (launcher == null) {
+            return;
         }
+        launcher.onAssistantVisibilityChanged(visibility);
     }
 
     @NonNull
@@ -476,12 +487,18 @@
     @Override
     public void onLaunchTaskFailed() {
         Launcher launcher = getCreatedActivity();
+        if (launcher == null) {
+            return;
+        }
         launcher.getStateManager().goToState(OVERVIEW);
     }
 
     @Override
     public void onLaunchTaskSuccess() {
         Launcher launcher = getCreatedActivity();
+        if (launcher == null) {
+            return;
+        }
         launcher.getStateManager().moveToRestState();
     }
 
@@ -503,6 +520,9 @@
     public void switchRunningTaskViewToScreenshot(ThumbnailData thumbnailData,
             Runnable onFinishRunnable) {
         Launcher launcher = getCreatedActivity();
+        if (launcher == null) {
+            return;
+        }
         RecentsView recentsView = launcher.getOverviewPanel();
         if (recentsView == null) {
             if (onFinishRunnable != null) {
@@ -516,8 +536,9 @@
     @Override
     public void setOnDeferredActivityLaunchCallback(Runnable r) {
         Launcher launcher = getCreatedActivity();
-        if (launcher != null) {
-            launcher.setOnDeferredActivityLaunchCallback(r);
+        if (launcher == null) {
+            return;
         }
+        launcher.setOnDeferredActivityLaunchCallback(r);
     }
 }
\ No newline at end of file
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
index e3fcd2f..8d7a534 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
@@ -35,6 +35,7 @@
 import android.app.Service;
 import android.app.TaskInfo;
 import android.content.ComponentName;
+import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
@@ -49,19 +50,18 @@
 import android.view.MotionEvent;
 
 import androidx.annotation.BinderThread;
+import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
 import androidx.annotation.WorkerThread;
 
 import com.android.launcher3.BaseDraggingActivity;
-import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.allapps.DiscoveryBounce;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.logging.UserEventDispatcher;
 import com.android.launcher3.model.AppLaunchTracker;
 import com.android.launcher3.provider.RestoreDbTask;
 import com.android.launcher3.testing.TestProtocol;
+import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.util.TraceHelper;
 import com.android.quickstep.SysUINavigationMode.Mode;
 import com.android.quickstep.SysUINavigationMode.NavigationModeChangeListener;
@@ -70,12 +70,14 @@
 import com.android.quickstep.inputconsumers.DeviceLockedInputConsumer;
 import com.android.quickstep.inputconsumers.FallbackNoButtonInputConsumer;
 import com.android.quickstep.inputconsumers.OtherActivityInputConsumer;
+import com.android.quickstep.inputconsumers.OverscrollInputConsumer;
 import com.android.quickstep.inputconsumers.OverviewInputConsumer;
 import com.android.quickstep.inputconsumers.OverviewWithoutFocusInputConsumer;
-import com.android.quickstep.inputconsumers.QuickCaptureInputConsumer;
 import com.android.quickstep.inputconsumers.ResetGestureInputConsumer;
 import com.android.quickstep.inputconsumers.ScreenPinnedInputConsumer;
 import com.android.quickstep.util.ActiveGestureLog;
+import com.android.systemui.plugins.OverscrollPlugin;
+import com.android.systemui.plugins.PluginListener;
 import com.android.systemui.shared.recents.IOverviewProxy;
 import com.android.systemui.shared.recents.ISystemUiProxy;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
@@ -113,7 +115,7 @@
  */
 @TargetApi(Build.VERSION_CODES.Q)
 public class TouchInteractionService extends Service implements
-        NavigationModeChangeListener {
+        NavigationModeChangeListener, PluginListener<OverscrollPlugin> {
 
     private static final String TAG = "TouchInteractionService";
 
@@ -122,6 +124,8 @@
     private static final String HAS_ENABLED_QUICKSTEP_ONCE = "launcher.has_enabled_quickstep_once";
     private static final int MAX_BACK_NOTIFICATION_COUNT = 3;
     private int mBackGestureNotificationCounter = -1;
+    @Nullable
+    private OverscrollPlugin mOverscrollPlugin;
 
     private final IBinder mMyBinder = new IOverviewProxy.Stub() {
 
@@ -280,6 +284,9 @@
 
         onNavigationModeChanged(SysUINavigationMode.INSTANCE.get(this).addModeChangeListener(this));
         sConnected = true;
+
+        PluginManagerWrapper.INSTANCE.get(getBaseContext()).addPluginListener(this,
+                OverscrollPlugin.class, false /* allowMultiple */);
     }
 
     private void disposeEventHandlers() {
@@ -400,6 +407,9 @@
         if (TestProtocol.sDebugTracing) {
             Log.d(TestProtocol.LAUNCHER_DIDNT_INITIALIZE, "TIS destroyed");
         }
+
+        PluginManagerWrapper.INSTANCE.get(getBaseContext()).removePluginListener(this);
+
         sIsInitialized = false;
         if (mDeviceState.isUserUnlocked()) {
             mInputConsumer.unregisterInputConsumer();
@@ -489,10 +499,10 @@
                 base = new AssistantInputConsumer(this, newGestureState, base, mInputMonitorCompat);
             }
 
-            if (FeatureFlags.ENABLE_QUICK_CAPTURE_GESTURE.get()) {
-                // Put the Compose gesture as higher priority than the Assistant or base gestures
-                base = new QuickCaptureInputConsumer(this, newGestureState, base,
-                        mInputMonitorCompat);
+            if (mOverscrollPlugin != null) {
+                // Put the overscroll gesture as higher priority than the Assistant or base gestures
+                base = new OverscrollInputConsumer(this, newGestureState, base, mInputMonitorCompat,
+                        mOverscrollPlugin);
             }
 
             if (mDeviceState.isScreenPinningActive()) {
@@ -531,9 +541,9 @@
                     () -> mAM.getRunningTask(ACTIVITY_TYPE_ASSISTANT));
             if (!ActivityManagerWrapper.isHomeTask(runningTaskInfo)) {
                 final ComponentName homeComponent =
-                    mOverviewComponentObserver.getHomeIntent().getComponent();
+                        mOverviewComponentObserver.getHomeIntent().getComponent();
                 forceOverviewInputConsumer =
-                    runningTaskInfo.baseIntent.getComponent(). equals(homeComponent);
+                        runningTaskInfo.baseIntent.getComponent().equals(homeComponent);
             }
         }
 
@@ -763,4 +773,14 @@
         UI_HELPER_EXECUTOR.execute(() -> ActivityManagerWrapper.getInstance()
                 .startRecentsActivity(intent, null, listener, null, null));
     }
+
+    @Override
+    public void onPluginConnected(OverscrollPlugin overscrollPlugin, Context context) {
+        mOverscrollPlugin = overscrollPlugin;
+    }
+
+    @Override
+    public void onPluginDisconnected(OverscrollPlugin overscrollPlugin) {
+        mOverscrollPlugin = null;
+    }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/QuickCaptureInputConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverscrollInputConsumer.java
similarity index 74%
rename from quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/QuickCaptureInputConsumer.java
rename to quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverscrollInputConsumer.java
index 9826b3a..e3da98b 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/QuickCaptureInputConsumer.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverscrollInputConsumer.java
@@ -24,39 +24,28 @@
 
 import static com.android.launcher3.Utilities.squaredHypot;
 
-import android.app.ActivityOptions;
 import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
 import android.graphics.PointF;
-import android.os.Bundle;
 import android.view.MotionEvent;
 import android.view.ViewConfiguration;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.BaseDraggingActivity;
-import com.android.launcher3.R;
 import com.android.quickstep.GestureState;
 import com.android.quickstep.InputConsumer;
 import com.android.quickstep.views.RecentsView;
+import com.android.systemui.plugins.OverscrollPlugin;
 import com.android.systemui.shared.system.InputMonitorCompat;
 
 /**
- * Input consumer for handling events to launch quick capture from launcher
+ * Input consumer for handling events to pass to an {@code OverscrollPlugin}.
+ *
  * @param <T> Draggable activity subclass used by RecentsView
  */
-public class QuickCaptureInputConsumer<T extends BaseDraggingActivity>
-        extends DelegateInputConsumer {
+public class OverscrollInputConsumer<T extends BaseDraggingActivity> extends DelegateInputConsumer {
 
-    private static final String TAG = "QuickCaptureInputConsumer";
-
-    private static final String QUICK_CAPTURE_PACKAGE = "com.google.auxe.compose";
-    private static final String QUICK_CAPTURE_PACKAGE_DEV = "com.google.auxe.compose.debug";
-
-    private static final String EXTRA_DEVICE_STATE = "deviceState";
-    private static final String DEVICE_STATE_LOCKED = "Locked";
-    private static final String DEVICE_STATE_LAUNCHER = "Launcher";
-    private static final String DEVICE_STATE_APP = "App";
-    private static final String DEVICE_STATE_UNKNOWN = "Unknown";
+    private static final String TAG = "OverscrollInputConsumer";
 
     private static final int ANGLE_THRESHOLD = 35; // Degrees
 
@@ -71,14 +60,16 @@
 
     private final Context mContext;
     private final GestureState mGestureState;
+    @Nullable private final OverscrollPlugin mPlugin;
 
     private RecentsView mRecentsView;
 
-    public QuickCaptureInputConsumer(Context context, GestureState gestureState,
-            InputConsumer delegate, InputMonitorCompat inputMonitor) {
+    public OverscrollInputConsumer(Context context, GestureState gestureState,
+            InputConsumer delegate, InputMonitorCompat inputMonitor, OverscrollPlugin plugin) {
         super(delegate, inputMonitor);
         mContext = context;
         mGestureState = gestureState;
+        mPlugin = plugin;
 
         float slop = ViewConfiguration.get(context).getScaledTouchSlop();
         mSquaredSlop = slop * slop;
@@ -89,7 +80,7 @@
 
     @Override
     public int getType() {
-        return TYPE_QUICK_CAPTURE | mDelegate.getType();
+        return TYPE_OVERSCROLL | mDelegate.getType();
     }
 
     private boolean onActivityInit(Boolean alreadyOnHome) {
@@ -149,7 +140,7 @@
                         mPassedSlop = true;
                         mStartDragPos.set(mLastPos.x, mLastPos.y);
 
-                        if (isValidQuickCaptureGesture()) {
+                        if (isOverscrolled()) {
                             setActive(ev);
                         } else {
                             mState = STATE_DELEGATE_ACTIVE;
@@ -161,8 +152,8 @@
             }
             case ACTION_CANCEL:
             case ACTION_UP:
-                if (mState != STATE_DELEGATE_ACTIVE && mPassedSlop) {
-                    startQuickCapture();
+                if (mState != STATE_DELEGATE_ACTIVE && mPassedSlop && mPlugin != null) {
+                    mPlugin.onOverscroll(getDeviceState());
                 }
 
                 mPassedSlop = false;
@@ -175,7 +166,7 @@
         }
     }
 
-    private boolean isValidQuickCaptureGesture() {
+    private boolean isOverscrolled() {
         // Make sure there isn't an app to quick switch to on our right
         boolean atRightMostApp = (mRecentsView == null || mRecentsView.getRunningTaskIndex() <= 0);
 
@@ -187,37 +178,19 @@
         return atRightMostApp && angleInBounds;
     }
 
-    private void startQuickCapture() {
-        // Inspect our delegate's type to figure out where the user invoked Compose
-        String deviceState = DEVICE_STATE_UNKNOWN;
+    private String getDeviceState() {
+        String deviceState = OverscrollPlugin.DEVICE_STATE_UNKNOWN;
         int consumerType = mDelegate.getType();
         if (((consumerType & InputConsumer.TYPE_OVERVIEW) > 0)
                 || ((consumerType & InputConsumer.TYPE_OVERVIEW_WITHOUT_FOCUS)) > 0) {
-            deviceState = DEVICE_STATE_LAUNCHER;
+            deviceState = OverscrollPlugin.DEVICE_STATE_LAUNCHER;
         } else if ((consumerType & InputConsumer.TYPE_OTHER_ACTIVITY) > 0) {
-            deviceState = DEVICE_STATE_APP;
+            deviceState = OverscrollPlugin.DEVICE_STATE_APP;
         } else if (((consumerType & InputConsumer.TYPE_RESET_GESTURE) > 0)
                 || ((consumerType & InputConsumer.TYPE_DEVICE_LOCKED) > 0)) {
-            deviceState = DEVICE_STATE_LOCKED;
+            deviceState = OverscrollPlugin.DEVICE_STATE_LOCKED;
         }
 
-        // Then launch the app
-        PackageManager pm = mContext.getPackageManager();
-
-        Intent qcIntent = pm.getLaunchIntentForPackage(QUICK_CAPTURE_PACKAGE);
-
-        if (qcIntent == null) {
-            // If we couldn't find the regular app, try the dev version
-            qcIntent = pm.getLaunchIntentForPackage(QUICK_CAPTURE_PACKAGE_DEV);
-        }
-
-        if (qcIntent != null) {
-            qcIntent.putExtra(EXTRA_DEVICE_STATE, deviceState);
-
-            Bundle options = ActivityOptions.makeCustomAnimation(mContext, R.anim.slide_in_right,
-                    0).toBundle();
-
-            mContext.startActivity(qcIntent, options);
-        }
+        return deviceState;
     }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/NavBarPosition.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/NavBarPosition.java
index bbb318a..e2524b1 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/NavBarPosition.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/NavBarPosition.java
@@ -15,8 +15,8 @@
  */
 package com.android.quickstep.util;
 
-import static com.android.launcher3.uioverrides.RecentsUiFactory.ROTATION_LANDSCAPE;
-import static com.android.launcher3.uioverrides.RecentsUiFactory.ROTATION_SEASCAPE;
+import static com.android.launcher3.uioverrides.QuickstepLauncher.ROTATION_LANDSCAPE;
+import static com.android.launcher3.uioverrides.QuickstepLauncher.ROTATION_SEASCAPE;
 import static com.android.quickstep.SysUINavigationMode.Mode.NO_BUTTON;
 
 import android.content.Context;
diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
new file mode 100644
index 0000000..f55ef94
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -0,0 +1,254 @@
+/*
+ * 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;
+
+import static com.android.launcher3.AbstractFloatingView.TYPE_ALL;
+import static com.android.launcher3.AbstractFloatingView.TYPE_HIDE_BACK_BUTTON;
+import static com.android.launcher3.LauncherState.ALL_APPS;
+import static com.android.launcher3.LauncherState.NORMAL;
+import static com.android.launcher3.LauncherState.OVERVIEW;
+import static com.android.launcher3.allapps.DiscoveryBounce.BOUNCE_MAX_COUNT;
+import static com.android.launcher3.allapps.DiscoveryBounce.HOME_BOUNCE_COUNT;
+import static com.android.launcher3.allapps.DiscoveryBounce.HOME_BOUNCE_SEEN;
+import static com.android.launcher3.allapps.DiscoveryBounce.SHELF_BOUNCE_COUNT;
+import static com.android.launcher3.allapps.DiscoveryBounce.SHELF_BOUNCE_SEEN;
+
+import android.animation.AnimatorSet;
+import android.animation.ValueAnimator;
+import android.content.Intent;
+import android.content.IntentSender;
+import android.os.Bundle;
+import android.os.CancellationSignal;
+
+import com.android.launcher3.LauncherState.ScaleAndTranslation;
+import com.android.launcher3.LauncherStateManager.StateHandler;
+import com.android.launcher3.proxy.ProxyActivityStarter;
+import com.android.launcher3.proxy.StartActivityParams;
+import com.android.launcher3.uioverrides.BackButtonAlphaHandler;
+import com.android.launcher3.uioverrides.RecentsViewStateController;
+import com.android.launcher3.util.UiThreadHelper;
+import com.android.quickstep.RecentsModel;
+import com.android.quickstep.SysUINavigationMode;
+import com.android.quickstep.SysUINavigationMode.Mode;
+import com.android.quickstep.SysUINavigationMode.NavigationModeChangeListener;
+import com.android.quickstep.SystemUiProxy;
+import com.android.quickstep.util.RemoteFadeOutAnimationListener;
+
+/**
+ * Extension of Launcher activity to provide quickstep specific functionality
+ */
+public abstract class BaseQuickstepLauncher extends Launcher
+        implements NavigationModeChangeListener {
+
+    /**
+     * Reusable command for applying the back button alpha on the background thread.
+     */
+    public static final UiThreadHelper.AsyncCommand SET_BACK_BUTTON_ALPHA =
+            (context, arg1, arg2) -> SystemUiProxy.INSTANCE.get(context).setBackButtonAlpha(
+                    Float.intBitsToFloat(arg1), arg2 != 0);
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        SysUINavigationMode.Mode mode = SysUINavigationMode.INSTANCE.get(this)
+                .addModeChangeListener(this);
+        getRotationHelper().setRotationHadDifferentUI(mode != Mode.NO_BUTTON);
+
+        if (!getSharedPrefs().getBoolean(HOME_BOUNCE_SEEN, false)) {
+            getStateManager().addStateListener(new LauncherStateManager.StateListener() {
+                @Override
+                public void onStateTransitionStart(LauncherState toState) { }
+
+                @Override
+                public void onStateTransitionComplete(LauncherState finalState) {
+                    boolean swipeUpEnabled = SysUINavigationMode.INSTANCE
+                            .get(BaseQuickstepLauncher.this).getMode().hasGestures;
+                    LauncherState prevState = getStateManager().getLastState();
+
+                    if (((swipeUpEnabled && finalState == OVERVIEW) || (!swipeUpEnabled
+                            && finalState == ALL_APPS && prevState == NORMAL) || BOUNCE_MAX_COUNT
+                            <= getSharedPrefs().getInt(HOME_BOUNCE_COUNT, 0))) {
+                        getSharedPrefs().edit().putBoolean(HOME_BOUNCE_SEEN, true).apply();
+                        getStateManager().removeStateListener(this);
+                    }
+                }
+            });
+        }
+
+        if (!getSharedPrefs().getBoolean(SHELF_BOUNCE_SEEN, false)) {
+            getStateManager().addStateListener(new LauncherStateManager.StateListener() {
+                @Override
+                public void onStateTransitionStart(LauncherState toState) { }
+
+                @Override
+                public void onStateTransitionComplete(LauncherState finalState) {
+                    LauncherState prevState = getStateManager().getLastState();
+
+                    if ((finalState == ALL_APPS && prevState == OVERVIEW) || BOUNCE_MAX_COUNT
+                            <= getSharedPrefs().getInt(SHELF_BOUNCE_COUNT, 0)) {
+                        getSharedPrefs().edit().putBoolean(SHELF_BOUNCE_SEEN, true).apply();
+                        getStateManager().removeStateListener(this);
+                    }
+                }
+            });
+        }
+    }
+
+    @Override
+    public void onDestroy() {
+        SysUINavigationMode.INSTANCE.get(this).removeModeChangeListener(this);
+        super.onDestroy();
+    }
+
+    @Override
+    public void onNavigationModeChanged(Mode newMode) {
+        getDragLayer().recreateControllers();
+        getRotationHelper().setRotationHadDifferentUI(newMode != Mode.NO_BUTTON);
+    }
+
+    @Override
+    public void onEnterAnimationComplete() {
+        super.onEnterAnimationComplete();
+        // After the transition to home, enable the high-res thumbnail loader if it wasn't enabled
+        // as a part of quickstep, so that high-res thumbnails can load the next time we enter
+        // overview
+        RecentsModel.INSTANCE.get(this).getThumbnailCache()
+                .getHighResLoadingState().setVisible(true);
+    }
+
+    @Override
+    public void onTrimMemory(int level) {
+        super.onTrimMemory(level);
+        RecentsModel.INSTANCE.get(this).onTrimMemory(level);
+    }
+
+    @Override
+    public void startIntentSenderForResult(IntentSender intent, int requestCode,
+            Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags, Bundle options) {
+        if (requestCode != -1) {
+            mPendingActivityRequestCode = requestCode;
+            StartActivityParams params = new StartActivityParams(this, requestCode);
+            params.intentSender = intent;
+            params.fillInIntent = fillInIntent;
+            params.flagsMask = flagsMask;
+            params.flagsValues = flagsValues;
+            params.extraFlags = extraFlags;
+            params.options = options;
+            startActivity(ProxyActivityStarter.getLaunchIntent(this, params));
+        } else {
+            super.startIntentSenderForResult(intent, requestCode, fillInIntent, flagsMask,
+                    flagsValues, extraFlags, options);
+        }
+    }
+
+    @Override
+    public void startActivityForResult(Intent intent, int requestCode, Bundle options) {
+        if (requestCode != -1) {
+            mPendingActivityRequestCode = -1;
+            StartActivityParams params = new StartActivityParams(this, requestCode);
+            params.intent = intent;
+            params.options = options;
+            startActivity(ProxyActivityStarter.getLaunchIntent(this, params));
+        } else {
+            super.startActivityForResult(intent, requestCode, options);
+        }
+    }
+
+    @Override
+    protected void onDeferredResumed() {
+        if (mPendingActivityRequestCode != -1 && isInState(NORMAL)) {
+            // Remove any active ProxyActivityStarter task and send RESULT_CANCELED to Launcher.
+            onActivityResult(mPendingActivityRequestCode, RESULT_CANCELED, null);
+            // ProxyActivityStarter is started with clear task to reset the task after which it
+            // removes the task itself.
+            startActivity(ProxyActivityStarter.getLaunchIntent(this, null));
+        }
+    }
+
+    @Override
+    protected StateHandler[] createStateHandlers() {
+        return new StateHandler[] {
+                getAllAppsController(),
+                getWorkspace(),
+                new RecentsViewStateController(this),
+                new BackButtonAlphaHandler(this)};
+    }
+
+    @Override
+    protected ScaleAndTranslation getOverviewScaleAndTranslationForNormalState() {
+        if (SysUINavigationMode.getMode(this) == Mode.NO_BUTTON) {
+            float offscreenTranslationX = getDeviceProfile().widthPx
+                    - getOverviewPanel().getPaddingStart();
+            return new ScaleAndTranslation(1f, offscreenTranslationX, 0f);
+        }
+        return super.getOverviewScaleAndTranslationForNormalState();
+    }
+
+    @Override
+    public void useFadeOutAnimationForLauncherStart(CancellationSignal signal) {
+        QuickstepAppTransitionManagerImpl appTransitionManager =
+                (QuickstepAppTransitionManagerImpl) getAppTransitionManager();
+        appTransitionManager.setRemoteAnimationProvider((appTargets, wallpaperTargets) -> {
+
+            // On the first call clear the reference.
+            signal.cancel();
+
+            ValueAnimator fadeAnimation = ValueAnimator.ofFloat(1, 0);
+            fadeAnimation.addUpdateListener(new RemoteFadeOutAnimationListener(appTargets,
+                    wallpaperTargets));
+            AnimatorSet anim = new AnimatorSet();
+            anim.play(fadeAnimation);
+            return anim;
+        }, signal);
+    }
+
+    @Override
+    public void onDragLayerHierarchyChanged() {
+        onLauncherStateOrFocusChanged();
+    }
+
+    @Override
+    protected void onActivityFlagsChanged(int changeBits) {
+        if ((changeBits
+                & (ACTIVITY_STATE_WINDOW_FOCUSED | ACTIVITY_STATE_TRANSITION_ACTIVE)) != 0) {
+            onLauncherStateOrFocusChanged();
+        }
+
+        super.onActivityFlagsChanged(changeBits);
+    }
+
+    /**
+     * Sets the back button visibility based on the current state/window focus.
+     */
+    private void onLauncherStateOrFocusChanged() {
+        Mode mode = SysUINavigationMode.getMode(this);
+        boolean shouldBackButtonBeHidden = mode.hasGestures
+                && getStateManager().getState().hideBackButton
+                && hasWindowFocus()
+                && (getActivityFlags() & ACTIVITY_STATE_TRANSITION_ACTIVE) == 0;
+        if (shouldBackButtonBeHidden) {
+            // Show the back button if there is a floating view visible.
+            shouldBackButtonBeHidden = AbstractFloatingView.getTopOpenViewWithType(this,
+                    TYPE_ALL & ~TYPE_HIDE_BACK_BUTTON) == null;
+        }
+        UiThreadHelper.setBackButtonAlphaAsync(this, SET_BACK_BUTTON_ALPHA,
+                shouldBackButtonBeHidden ? 0f : 1f, true /* animate */);
+        if (getDragLayer() != null) {
+            getRootView().setDisallowBackGesture(shouldBackButtonBeHidden);
+        }
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java b/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
new file mode 100644
index 0000000..965b5f0
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.uioverrides;
+
+import android.app.Activity;
+import android.app.Person;
+import android.content.pm.ShortcutInfo;
+import android.util.Base64;
+
+import com.android.launcher3.Utilities;
+import com.android.systemui.shared.system.ActivityCompat;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintWriter;
+import java.util.zip.Deflater;
+
+public class ApiWrapper {
+
+    public static boolean dumpActivity(Activity activity, PrintWriter writer) {
+        if (!Utilities.IS_DEBUG_DEVICE) {
+            return false;
+        }
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        if (!(new ActivityCompat(activity).encodeViewHierarchy(out))) {
+            return false;
+        }
+
+        Deflater deflater = new Deflater();
+        deflater.setInput(out.toByteArray());
+        deflater.finish();
+
+        out.reset();
+        byte[] buffer = new byte[1024];
+        while (!deflater.finished()) {
+            int count = deflater.deflate(buffer); // returns the generated code... index
+            out.write(buffer, 0, count);
+        }
+
+        writer.println("--encoded-view-dump-v0--");
+        writer.println(Base64.encodeToString(
+                out.toByteArray(), Base64.NO_WRAP | Base64.NO_PADDING));
+        return true;
+    }
+
+    public static Person[] getPersons(ShortcutInfo si) {
+        Person[] persons = si.getPersons();
+        return persons == null ? Utilities.EMPTY_PERSON_ARRAY : persons;
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/uioverrides/BackButtonAlphaHandler.java b/quickstep/src/com/android/launcher3/uioverrides/BackButtonAlphaHandler.java
index aa0dfc3..43dc882 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/BackButtonAlphaHandler.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/BackButtonAlphaHandler.java
@@ -16,11 +16,9 @@
 
 package com.android.launcher3.uioverrides;
 
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.animation.ValueAnimator;
 
-import com.android.launcher3.Launcher;
+import com.android.launcher3.BaseQuickstepLauncher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.LauncherStateManager;
 import com.android.launcher3.anim.AnimatorSetBuilder;
@@ -30,18 +28,14 @@
 
 public class BackButtonAlphaHandler implements LauncherStateManager.StateHandler {
 
-    private static final String TAG = "BackButtonAlphaHandler";
+    private final BaseQuickstepLauncher mLauncher;
 
-    private final Launcher mLauncher;
-
-    public BackButtonAlphaHandler(Launcher launcher) {
+    public BackButtonAlphaHandler(BaseQuickstepLauncher launcher) {
         mLauncher = launcher;
     }
 
     @Override
-    public void setState(LauncherState state) {
-        UiFactory.onLauncherStateOrFocusChanged(mLauncher);
-    }
+    public void setState(LauncherState state) { }
 
     @Override
     public void setStateWithAnimation(LauncherState toState,
@@ -52,8 +46,8 @@
 
         if (!SysUINavigationMode.getMode(mLauncher).hasGestures) {
             // If the nav mode is not gestural, then force back button alpha to be 1
-            UiThreadHelper.setBackButtonAlphaAsync(mLauncher, UiFactory.SET_BACK_BUTTON_ALPHA, 1f,
-                    true /* animate */);
+            UiThreadHelper.setBackButtonAlphaAsync(mLauncher,
+                    BaseQuickstepLauncher.SET_BACK_BUTTON_ALPHA, 1f, true /* animate */);
             return;
         }
 
@@ -64,15 +58,8 @@
             anim.setDuration(config.duration);
             anim.addUpdateListener(valueAnimator -> {
                 final float alpha = (float) valueAnimator.getAnimatedValue();
-                UiThreadHelper.setBackButtonAlphaAsync(mLauncher, UiFactory.SET_BACK_BUTTON_ALPHA,
-                        alpha, false /* animate */);
-            });
-            anim.addListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    // Reapply the final alpha in case some state (e.g. window focus) changed.
-                    UiFactory.onLauncherStateOrFocusChanged(mLauncher);
-                }
+                UiThreadHelper.setBackButtonAlphaAsync(mLauncher,
+                        BaseQuickstepLauncher.SET_BACK_BUTTON_ALPHA, alpha, false /* animate */);
             });
             builder.play(anim);
         }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java b/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
deleted file mode 100644
index 17c681b..0000000
--- a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
+++ /dev/null
@@ -1,267 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.uioverrides;
-
-import static android.app.Activity.RESULT_CANCELED;
-
-import static com.android.launcher3.AbstractFloatingView.TYPE_ALL;
-import static com.android.launcher3.AbstractFloatingView.TYPE_HIDE_BACK_BUTTON;
-import static com.android.launcher3.LauncherState.ALL_APPS;
-import static com.android.launcher3.LauncherState.NORMAL;
-import static com.android.launcher3.LauncherState.OVERVIEW;
-import static com.android.launcher3.allapps.DiscoveryBounce.BOUNCE_MAX_COUNT;
-import static com.android.launcher3.allapps.DiscoveryBounce.HOME_BOUNCE_COUNT;
-import static com.android.launcher3.allapps.DiscoveryBounce.HOME_BOUNCE_SEEN;
-import static com.android.launcher3.allapps.DiscoveryBounce.SHELF_BOUNCE_COUNT;
-import static com.android.launcher3.allapps.DiscoveryBounce.SHELF_BOUNCE_SEEN;
-
-import android.animation.AnimatorSet;
-import android.animation.ValueAnimator;
-import android.app.Activity;
-import android.app.Person;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentSender;
-import android.content.pm.ShortcutInfo;
-import android.os.Bundle;
-import android.os.CancellationSignal;
-import android.util.Base64;
-
-import com.android.launcher3.AbstractFloatingView;
-import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherState;
-import com.android.launcher3.LauncherState.ScaleAndTranslation;
-import com.android.launcher3.LauncherStateManager;
-import com.android.launcher3.LauncherStateManager.StateHandler;
-import com.android.launcher3.QuickstepAppTransitionManagerImpl;
-import com.android.launcher3.Utilities;
-import com.android.launcher3.proxy.ProxyActivityStarter;
-import com.android.launcher3.proxy.StartActivityParams;
-import com.android.launcher3.util.UiThreadHelper;
-import com.android.quickstep.RecentsModel;
-import com.android.quickstep.SysUINavigationMode;
-import com.android.quickstep.SysUINavigationMode.Mode;
-import com.android.quickstep.SysUINavigationMode.NavigationModeChangeListener;
-import com.android.quickstep.SystemUiProxy;
-import com.android.quickstep.util.RemoteFadeOutAnimationListener;
-import com.android.systemui.shared.system.ActivityCompat;
-
-import java.io.ByteArrayOutputStream;
-import java.io.PrintWriter;
-import java.util.zip.Deflater;
-
-public class UiFactory extends RecentsUiFactory {
-
-    /**
-     * Reusable command for applying the back button alpha on the background thread.
-     */
-    public static final UiThreadHelper.AsyncCommand SET_BACK_BUTTON_ALPHA =
-            (context, arg1, arg2) -> {
-        SystemUiProxy.INSTANCE.get(context).setBackButtonAlpha(Float.intBitsToFloat(arg1),
-                arg2 != 0);
-    };
-
-    public static Runnable enableLiveUIChanges(Launcher launcher) {
-        NavigationModeChangeListener listener = m -> {
-            launcher.getDragLayer().recreateControllers();
-            launcher.getRotationHelper().setRotationHadDifferentUI(m != Mode.NO_BUTTON);
-        };
-        SysUINavigationMode mode = SysUINavigationMode.INSTANCE.get(launcher);
-        SysUINavigationMode.Mode m = mode.addModeChangeListener(listener);
-        launcher.getRotationHelper().setRotationHadDifferentUI(m != Mode.NO_BUTTON);
-        return () -> mode.removeModeChangeListener(listener);
-    }
-
-    public static StateHandler[] getStateHandler(Launcher launcher) {
-        return new StateHandler[] {
-                launcher.getAllAppsController(),
-                launcher.getWorkspace(),
-                createRecentsViewStateController(launcher),
-                new BackButtonAlphaHandler(launcher)};
-    }
-
-    /**
-     * Sets the back button visibility based on the current state/window focus.
-     */
-    public static void onLauncherStateOrFocusChanged(Launcher launcher) {
-        Mode mode = SysUINavigationMode.getMode(launcher);
-        boolean shouldBackButtonBeHidden = mode.hasGestures
-                && launcher != null
-                && launcher.getStateManager().getState().hideBackButton
-                && launcher.hasWindowFocus();
-        if (shouldBackButtonBeHidden) {
-            // Show the back button if there is a floating view visible.
-            shouldBackButtonBeHidden = AbstractFloatingView.getTopOpenViewWithType(launcher,
-                    TYPE_ALL & ~TYPE_HIDE_BACK_BUTTON) == null;
-        }
-        UiThreadHelper.setBackButtonAlphaAsync(launcher, UiFactory.SET_BACK_BUTTON_ALPHA,
-                shouldBackButtonBeHidden ? 0f : 1f, true /* animate */);
-        if (launcher != null && launcher.getDragLayer() != null) {
-            launcher.getRootView().setDisallowBackGesture(shouldBackButtonBeHidden);
-        }
-    }
-
-    public static void onCreate(Launcher launcher) {
-        if (!launcher.getSharedPrefs().getBoolean(HOME_BOUNCE_SEEN, false)) {
-            launcher.getStateManager().addStateListener(new LauncherStateManager.StateListener() {
-                @Override
-                public void onStateTransitionStart(LauncherState toState) {
-                }
-
-                @Override
-                public void onStateTransitionComplete(LauncherState finalState) {
-                    boolean swipeUpEnabled = SysUINavigationMode.INSTANCE.get(launcher).getMode()
-                            .hasGestures;
-                    LauncherState prevState = launcher.getStateManager().getLastState();
-
-                    if (((swipeUpEnabled && finalState == OVERVIEW) || (!swipeUpEnabled
-                            && finalState == ALL_APPS && prevState == NORMAL) || BOUNCE_MAX_COUNT <=
-                            launcher.getSharedPrefs().getInt(HOME_BOUNCE_COUNT, 0))) {
-                        launcher.getSharedPrefs().edit().putBoolean(HOME_BOUNCE_SEEN, true).apply();
-                        launcher.getStateManager().removeStateListener(this);
-                    }
-                }
-            });
-        }
-
-        if (!launcher.getSharedPrefs().getBoolean(SHELF_BOUNCE_SEEN, false)) {
-            launcher.getStateManager().addStateListener(new LauncherStateManager.StateListener() {
-                @Override
-                public void onStateTransitionStart(LauncherState toState) {
-                }
-
-                @Override
-                public void onStateTransitionComplete(LauncherState finalState) {
-                    LauncherState prevState = launcher.getStateManager().getLastState();
-
-                    if ((finalState == ALL_APPS && prevState == OVERVIEW) || BOUNCE_MAX_COUNT <=
-                            launcher.getSharedPrefs().getInt(SHELF_BOUNCE_COUNT, 0)) {
-                        launcher.getSharedPrefs().edit().putBoolean(SHELF_BOUNCE_SEEN, true).apply();
-                        launcher.getStateManager().removeStateListener(this);
-                    }
-                }
-            });
-        }
-    }
-
-    public static void onEnterAnimationComplete(Context context) {
-        // After the transition to home, enable the high-res thumbnail loader if it wasn't enabled
-        // as a part of quickstep, so that high-res thumbnails can load the next time we enter
-        // overview
-        RecentsModel.INSTANCE.get(context).getThumbnailCache()
-                .getHighResLoadingState().setVisible(true);
-    }
-
-    public static void onTrimMemory(Context context, int level) {
-        RecentsModel model = RecentsModel.INSTANCE.get(context);
-        if (model != null) {
-            model.onTrimMemory(level);
-        }
-    }
-
-    public static void useFadeOutAnimationForLauncherStart(Launcher launcher,
-            CancellationSignal cancellationSignal) {
-        QuickstepAppTransitionManagerImpl appTransitionManager =
-                (QuickstepAppTransitionManagerImpl) launcher.getAppTransitionManager();
-        appTransitionManager.setRemoteAnimationProvider((appTargets, wallpaperTargets) -> {
-
-            // On the first call clear the reference.
-            cancellationSignal.cancel();
-
-            ValueAnimator fadeAnimation = ValueAnimator.ofFloat(1, 0);
-            fadeAnimation.addUpdateListener(new RemoteFadeOutAnimationListener(appTargets,
-                    wallpaperTargets));
-            AnimatorSet anim = new AnimatorSet();
-            anim.play(fadeAnimation);
-            return anim;
-        }, cancellationSignal);
-    }
-
-    public static boolean dumpActivity(Activity activity, PrintWriter writer) {
-        if (!Utilities.IS_DEBUG_DEVICE) {
-            return false;
-        }
-        ByteArrayOutputStream out = new ByteArrayOutputStream();
-        if (!(new ActivityCompat(activity).encodeViewHierarchy(out))) {
-            return false;
-        }
-
-        Deflater deflater = new Deflater();
-        deflater.setInput(out.toByteArray());
-        deflater.finish();
-
-        out.reset();
-        byte[] buffer = new byte[1024];
-        while (!deflater.finished()) {
-            int count = deflater.deflate(buffer); // returns the generated code... index
-            out.write(buffer, 0, count);
-        }
-
-        writer.println("--encoded-view-dump-v0--");
-        writer.println(Base64.encodeToString(
-                out.toByteArray(), Base64.NO_WRAP | Base64.NO_PADDING));
-        return true;
-    }
-
-    public static boolean startIntentSenderForResult(Activity activity, IntentSender intent,
-            int requestCode, Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags,
-            Bundle options) {
-        StartActivityParams params = new StartActivityParams(activity, requestCode);
-        params.intentSender = intent;
-        params.fillInIntent = fillInIntent;
-        params.flagsMask = flagsMask;
-        params.flagsValues = flagsValues;
-        params.extraFlags = extraFlags;
-        params.options = options;
-        ((Context) activity).startActivity(ProxyActivityStarter.getLaunchIntent(activity, params));
-        return true;
-    }
-
-    public static boolean startActivityForResult(Activity activity, Intent intent, int requestCode,
-            Bundle options) {
-        StartActivityParams params = new StartActivityParams(activity, requestCode);
-        params.intent = intent;
-        params.options = options;
-        activity.startActivity(ProxyActivityStarter.getLaunchIntent(activity, params));
-        return true;
-    }
-
-    /**
-     * Removes any active ProxyActivityStarter task and sends RESULT_CANCELED to Launcher.
-     *
-     * ProxyActivityStarter is started with clear task to reset the task after which it removes the
-     * task itself.
-     */
-    public static void resetPendingActivityResults(Launcher launcher, int requestCode) {
-        launcher.onActivityResult(requestCode, RESULT_CANCELED, null);
-        launcher.startActivity(ProxyActivityStarter.getLaunchIntent(launcher, null));
-    }
-
-    public static ScaleAndTranslation getOverviewScaleAndTranslationForNormalState(Launcher l) {
-        if (SysUINavigationMode.getMode(l) == Mode.NO_BUTTON) {
-            float offscreenTranslationX = l.getDeviceProfile().widthPx
-                    - l.getOverviewPanel().getPaddingStart();
-            return new ScaleAndTranslation(1f, offscreenTranslationX, 0f);
-        }
-        return new ScaleAndTranslation(1.1f, 0f, 0f);
-    }
-
-    public static Person[] getPersons(ShortcutInfo si) {
-        Person[] persons = si.getPersons();
-        return persons == null ? Utilities.EMPTY_PERSON_ARRAY : persons;
-    }
-}
diff --git a/quickstep/src/com/android/quickstep/BaseRecentsActivity.java b/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
index 71833ad..5fcdc19 100644
--- a/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/BaseRecentsActivity.java
@@ -27,7 +27,6 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.R;
-import com.android.launcher3.uioverrides.UiFactory;
 import com.android.launcher3.util.ActivityTracker;
 import com.android.launcher3.util.SystemUiController;
 import com.android.launcher3.util.Themes;
@@ -122,13 +121,17 @@
     @Override
     public void onEnterAnimationComplete() {
         super.onEnterAnimationComplete();
-        UiFactory.onEnterAnimationComplete(this);
+        // After the transition to home, enable the high-res thumbnail loader if it wasn't enabled
+        // as a part of quickstep, so that high-res thumbnails can load the next time we enter
+        // overview
+        RecentsModel.INSTANCE.get(this).getThumbnailCache()
+                .getHighResLoadingState().setVisible(true);
     }
 
     @Override
     public void onTrimMemory(int level) {
         super.onTrimMemory(level);
-        UiFactory.onTrimMemory(this, level);
+        RecentsModel.INSTANCE.get(this).onTrimMemory(level);
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/InputConsumer.java b/quickstep/src/com/android/quickstep/InputConsumer.java
index 918645d..3e84e7d 100644
--- a/quickstep/src/com/android/quickstep/InputConsumer.java
+++ b/quickstep/src/com/android/quickstep/InputConsumer.java
@@ -33,7 +33,7 @@
     int TYPE_SCREEN_PINNED = 1 << 6;
     int TYPE_OVERVIEW_WITHOUT_FOCUS = 1 << 7;
     int TYPE_RESET_GESTURE = 1 << 8;
-    int TYPE_QUICK_CAPTURE = 1 << 9;
+    int TYPE_OVERSCROLL = 1 << 9;
 
     String[] NAMES = new String[] {
            "TYPE_NO_OP",                    // 0
@@ -45,7 +45,7 @@
             "TYPE_SCREEN_PINNED",           // 6
             "TYPE_OVERVIEW_WITHOUT_FOCUS",  // 7
             "TYPE_RESET_GESTURE",           // 8
-            "TYPE_QUICK_CAPTURE",           // 9
+            "TYPE_OVERSCROLL",              // 9
     };
 
     InputConsumer NO_OP = () -> TYPE_NO_OP;
diff --git a/quickstep/src/com/android/quickstep/TaskIconCache.java b/quickstep/src/com/android/quickstep/TaskIconCache.java
index 289a129..4f7d53b 100644
--- a/quickstep/src/com/android/quickstep/TaskIconCache.java
+++ b/quickstep/src/com/android/quickstep/TaskIconCache.java
@@ -15,7 +15,7 @@
  */
 package com.android.quickstep;
 
-import static com.android.launcher3.uioverrides.RecentsUiFactory.GO_LOW_RAM_RECENTS_ENABLED;
+import static com.android.launcher3.uioverrides.QuickstepLauncher.GO_LOW_RAM_RECENTS_ENABLED;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 
 import android.content.ComponentName;
diff --git a/res/anim/slide_in_right.xml b/res/anim/slide_in_right.xml
deleted file mode 100644
index 55d3e54..0000000
--- a/res/anim/slide_in_right.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shareInterpolator="false" >
-  <translate
-      android:duration="@android:integer/config_shortAnimTime"
-      android:fromXDelta="100%"
-      android:toXDelta="0%"
-      />
-</set>
\ No newline at end of file
diff --git a/src/com/android/launcher3/BaseActivity.java b/src/com/android/launcher3/BaseActivity.java
index b28077f..382bfdf 100644
--- a/src/com/android/launcher3/BaseActivity.java
+++ b/src/com/android/launcher3/BaseActivity.java
@@ -35,7 +35,7 @@
 import com.android.launcher3.logging.StatsLogUtils.LogStateProvider;
 import com.android.launcher3.logging.UserEventDispatcher;
 import com.android.launcher3.logging.UserEventDispatcher.UserEventDelegate;
-import com.android.launcher3.uioverrides.UiFactory;
+import com.android.launcher3.uioverrides.ApiWrapper;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.util.SystemUiController;
 import com.android.launcher3.util.ViewCache;
@@ -81,19 +81,39 @@
     protected StatsLogManager mStatsLogManager;
     protected SystemUiController mSystemUiController;
 
-    private static final int ACTIVITY_STATE_STARTED = 1 << 0;
-    private static final int ACTIVITY_STATE_RESUMED = 1 << 1;
+
+    public static final int ACTIVITY_STATE_STARTED = 1 << 0;
+    public static final int ACTIVITY_STATE_RESUMED = 1 << 1;
+
     /**
-     * State flag indicating if the user is active or the actitvity when to background as a result
+     * State flags indicating that the activity has received one frame after resume, and was
+     * not immediately paused.
+     */
+    public static final int ACTIVITY_STATE_DEFERRED_RESUMED = 1 << 2;
+
+    public static final int ACTIVITY_STATE_WINDOW_FOCUSED = 1 << 3;
+
+    /**
+     * State flag indicating if the user is active or the activity when to background as a result
      * of user action.
      * @see #isUserActive()
      */
-    private static final int ACTIVITY_STATE_USER_ACTIVE = 1 << 2;
+    public static final int ACTIVITY_STATE_USER_ACTIVE = 1 << 4;
+
+    /**
+     * State flag indicating that a state transition is in progress
+     */
+    public static final int ACTIVITY_STATE_TRANSITION_ACTIVE = 1 << 5;
 
     @Retention(SOURCE)
     @IntDef(
             flag = true,
-            value = {ACTIVITY_STATE_STARTED, ACTIVITY_STATE_RESUMED, ACTIVITY_STATE_USER_ACTIVE})
+            value = {ACTIVITY_STATE_STARTED,
+                    ACTIVITY_STATE_RESUMED,
+                    ACTIVITY_STATE_DEFERRED_RESUMED,
+                    ACTIVITY_STATE_WINDOW_FOCUSED,
+                    ACTIVITY_STATE_USER_ACTIVE,
+                    ACTIVITY_STATE_TRANSITION_ACTIVE})
     public @interface ActivityFlags{}
 
     @ActivityFlags
@@ -146,19 +166,19 @@
 
     @Override
     protected void onStart() {
-        mActivityFlags |= ACTIVITY_STATE_STARTED;
+        addActivityFlags(ACTIVITY_STATE_STARTED);
         super.onStart();
     }
 
     @Override
     protected void onResume() {
-        mActivityFlags |= ACTIVITY_STATE_RESUMED | ACTIVITY_STATE_USER_ACTIVE;
+        addActivityFlags(ACTIVITY_STATE_RESUMED | ACTIVITY_STATE_USER_ACTIVE);
         super.onResume();
     }
 
     @Override
     protected void onUserLeaveHint() {
-        mActivityFlags &= ~ACTIVITY_STATE_USER_ACTIVE;
+        removeActivityFlags(ACTIVITY_STATE_USER_ACTIVE);
         super.onUserLeaveHint();
     }
 
@@ -172,7 +192,7 @@
 
     @Override
     protected void onStop() {
-        mActivityFlags &= ~ACTIVITY_STATE_STARTED & ~ACTIVITY_STATE_USER_ACTIVE;
+        removeActivityFlags(ACTIVITY_STATE_STARTED | ACTIVITY_STATE_USER_ACTIVE);
         mForceInvisible = 0;
         super.onStop();
 
@@ -183,7 +203,7 @@
 
     @Override
     protected void onPause() {
-        mActivityFlags &= ~ACTIVITY_STATE_RESUMED;
+        removeActivityFlags(ACTIVITY_STATE_RESUMED | ACTIVITY_STATE_DEFERRED_RESUMED);
         super.onPause();
 
         // Reset the overridden sysui flags used for the task-swipe launch animation, we do this
@@ -193,6 +213,17 @@
         getSystemUiController().updateUiState(UI_STATE_OVERVIEW, 0);
     }
 
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if (hasFocus) {
+            addActivityFlags(ACTIVITY_STATE_WINDOW_FOCUSED);
+        } else {
+            removeActivityFlags(ACTIVITY_STATE_WINDOW_FOCUSED);
+        }
+
+    }
+
     public boolean isStarted() {
         return (mActivityFlags & ACTIVITY_STATE_STARTED) != 0;
     }
@@ -208,6 +239,22 @@
         return (mActivityFlags & ACTIVITY_STATE_USER_ACTIVE) != 0;
     }
 
+    public int getActivityFlags() {
+        return mActivityFlags;
+    }
+
+    protected void addActivityFlags(int flags) {
+        mActivityFlags |= flags;
+        onActivityFlagsChanged(flags);
+    }
+
+    protected void removeActivityFlags(int flags) {
+        mActivityFlags &= ~flags;
+        onActivityFlagsChanged(flags);
+    }
+
+    protected void onActivityFlagsChanged(int changeBits) { }
+
     public void addOnDeviceProfileChangeListener(OnDeviceProfileChangeListener listener) {
         mDPChangeListeners.add(listener);
     }
@@ -233,7 +280,7 @@
     /**
      * Used to set the override visibility state, used only to handle the transition home with the
      * recents animation.
-     * @see QuickstepAppTransitionManagerImpl#getWallpaperOpenRunner()
+     * @see QuickstepAppTransitionManagerImpl#getWallpaperOpenRunner
      */
     public void addForceInvisibleFlag(@InvisibilityFlags int flag) {
         mForceInvisible |= flag;
@@ -260,7 +307,7 @@
 
     @Override
     public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) {
-        if (!UiFactory.dumpActivity(this, writer)) {
+        if (!ApiWrapper.dumpActivity(this, writer)) {
             super.dump(prefix, fd, writer, args);
         }
     }
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 67c1a04..bb08ba8 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -58,6 +58,7 @@
 import android.graphics.Rect;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.CancellationSignal;
 import android.os.Handler;
 import android.os.Parcelable;
 import android.os.Process;
@@ -82,6 +83,8 @@
 import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.DropTarget.DragObject;
+import com.android.launcher3.LauncherState.ScaleAndTranslation;
+import com.android.launcher3.LauncherStateManager.StateHandler;
 import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
 import com.android.launcher3.allapps.AllAppsContainerView;
 import com.android.launcher3.allapps.AllAppsStore;
@@ -114,8 +117,8 @@
 import com.android.launcher3.qsb.QsbContainerView;
 import com.android.launcher3.states.RotationHelper;
 import com.android.launcher3.testing.TestProtocol;
+import com.android.launcher3.touch.AllAppsSwipeController;
 import com.android.launcher3.touch.ItemClickHandler;
-import com.android.launcher3.uioverrides.UiFactory;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
@@ -135,6 +138,7 @@
 import com.android.launcher3.util.SystemUiController;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.Thunk;
+import com.android.launcher3.util.TouchController;
 import com.android.launcher3.util.TraceHelper;
 import com.android.launcher3.util.UiThreadHelper;
 import com.android.launcher3.util.ViewOnDrawExecutor;
@@ -294,12 +298,11 @@
      */
     private PendingRequestArgs mPendingRequestArgs;
     // Request id for any pending activity result
-    private int mPendingActivityRequestCode = -1;
+    protected int mPendingActivityRequestCode = -1;
 
     public ViewGroupFocusHelper mFocusHandler;
 
     private RotationHelper mRotationHelper;
-    private Runnable mCancelTouchController;
 
     final Handler mHandler = new Handler();
     private final Runnable mHandleDeferredResume = this::handleDeferredResume;
@@ -350,7 +353,6 @@
         mDragController = new DragController(this);
         mAllAppsController = new AllAppsTransitionController(this);
         mStateManager = new LauncherStateManager(this);
-        UiFactory.onCreate(this);
 
         mAppWidgetManager = AppWidgetManagerCompat.getInstance(this);
         mAppWidgetHost = new LauncherAppWidgetHost(this,
@@ -474,7 +476,6 @@
     @Override
     public void onEnterAnimationComplete() {
         super.onEnterAnimationComplete();
-        UiFactory.onEnterAnimationComplete(this);
         mAllAppsController.highlightWorkTabIfNecessary();
         mRotationHelper.setCurrentTransitionRequest(REQUEST_NONE);
     }
@@ -488,7 +489,6 @@
         }
 
         mOldConfig.setTo(newConfig);
-        UiFactory.onLauncherStateOrResumeChanged(this);
         super.onConfigurationChanged(newConfig);
     }
 
@@ -504,7 +504,7 @@
     public void reapplyUi() {
         if (supportsFakeLandscapeUI()) {
             mRotationMode = mStableDeviceProfile == null
-                    ? RotationMode.NORMAL : UiFactory.getRotationMode(mDeviceProfile);
+                    ? RotationMode.NORMAL : getFakeRotationMode(mDeviceProfile);
         }
         getRootView().dispatchInsets();
         getStateManager().reapplyState(true /* cancelCurrentAnimation */);
@@ -567,7 +567,7 @@
 
         if (supportsFakeLandscapeUI() && mDeviceProfile.isVerticalBarLayout()) {
             mStableDeviceProfile = mDeviceProfile.inv.portraitProfile;
-            mRotationMode = UiFactory.getRotationMode(mDeviceProfile);
+            mRotationMode = getFakeRotationMode(mDeviceProfile);
         } else {
             mStableDeviceProfile = null;
             mRotationMode = RotationMode.NORMAL;
@@ -933,8 +933,6 @@
         NotificationListener.removeNotificationsChangedListener();
         getStateManager().moveToRestState();
 
-        UiFactory.onLauncherStateOrResumeChanged(this);
-
         // Workaround for b/78520668, explicitly trim memory once UI is hidden
         onTrimMemory(TRIM_MEMORY_UI_HIDDEN);
     }
@@ -957,7 +955,6 @@
             logStopAndResume(Action.Command.RESUME);
             getUserEventDispatcher().startSession();
 
-            UiFactory.onLauncherStateOrResumeChanged(this);
             AppLaunchTracker.INSTANCE.get(this).onReturnedToHome();
 
             // Process any items that were added while Launcher was away.
@@ -972,15 +969,17 @@
 
             DiscoveryBounce.showForHomeIfNeeded(this);
 
-            if (mPendingActivityRequestCode != -1 && isInState(NORMAL)) {
-                UiFactory.resetPendingActivityResults(this, mPendingActivityRequestCode);
-            }
+            onDeferredResumed();
+            addActivityFlags(ACTIVITY_STATE_DEFERRED_RESUMED);
+
             mDeferredResumePending = false;
         } else {
             mDeferredResumePending = true;
         }
     }
 
+    protected void onDeferredResumed() { }
+
     private void logStopAndResume(int command) {
         int containerType = mStateManager.getState().containerType;
         if (containerType == ContainerType.WORKSPACE && mWorkspace != null) {
@@ -1034,12 +1033,14 @@
         if (mDeferOverlayCallbacks) {
             scheduleDeferredCheck();
         }
+        addActivityFlags(ACTIVITY_STATE_TRANSITION_ACTIVE);
     }
 
     public void onStateSetEnd(LauncherState state) {
         getAppWidgetHost().setResumed(state == LauncherState.NORMAL);
         getWorkspace().setClipChildren(!state.disablePageClipping);
         finishAutoCancelActionMode();
+        removeActivityFlags(ACTIVITY_STATE_TRANSITION_ACTIVE);
     }
 
     @Override
@@ -1084,18 +1085,6 @@
         }
     }
 
-    @Override
-    protected void onUserLeaveHint() {
-        super.onUserLeaveHint();
-        UiFactory.onLauncherStateOrResumeChanged(this);
-    }
-
-    @Override
-    public void onWindowFocusChanged(boolean hasFocus) {
-        super.onWindowFocusChanged(hasFocus);
-        mStateManager.onWindowFocusChanged();
-    }
-
     class LauncherOverlayCallbacksImpl implements LauncherOverlayCallbacks {
 
         public void onScrollChanged(float progress) {
@@ -1159,7 +1148,6 @@
 
         // Setup the drag layer
         mDragLayer.setup(mDragController, mWorkspace);
-        mCancelTouchController = UiFactory.enableLiveUIChanges(this);
 
         mWorkspace.setup(mDragController);
         // Until the workspace is bound, ensure that we keep the wallpaper offset locked to the
@@ -1537,11 +1525,6 @@
         mWorkspace.removeFolderListeners();
         PluginManagerWrapper.INSTANCE.get(this).removePluginListener(this);
 
-        if (mCancelTouchController != null) {
-            mCancelTouchController.run();
-            mCancelTouchController = null;
-        }
-
         // Stop callbacks from LauncherModel
         // It's possible to receive onDestroy after a new Launcher activity has
         // been created. In this case, don't interfere with the new Launcher.
@@ -1577,10 +1560,7 @@
         if (requestCode != -1) {
             mPendingActivityRequestCode = requestCode;
         }
-        if (requestCode == -1
-                || !UiFactory.startActivityForResult(this, intent, requestCode, options)) {
-            super.startActivityForResult(intent, requestCode, options);
-        }
+        super.startActivityForResult(intent, requestCode, options);
     }
 
     @Override
@@ -1589,14 +1569,11 @@
         if (requestCode != -1) {
             mPendingActivityRequestCode = requestCode;
         }
-        if (requestCode == -1 || !UiFactory.startIntentSenderForResult(this, intent, requestCode,
-                fillInIntent, flagsMask, flagsValues, extraFlags, options)) {
-            try {
-                super.startIntentSenderForResult(intent, requestCode,
-                        fillInIntent, flagsMask, flagsValues, extraFlags, options);
-            } catch (IntentSender.SendIntentException e) {
-                throw new ActivityNotFoundException();
-            }
+        try {
+            super.startIntentSenderForResult(intent, requestCode,
+                    fillInIntent, flagsMask, flagsValues, extraFlags, options);
+        } catch (IntentSender.SendIntentException e) {
+            throw new ActivityNotFoundException();
         }
     }
 
@@ -1934,7 +1911,6 @@
             // This clears all widget bitmaps from the widget tray
             // TODO(hyunyoungs)
         }
-        UiFactory.onTrimMemory(this, level);
     }
 
     @Override
@@ -2653,16 +2629,36 @@
         return super.onKeyUp(keyCode, event);
     }
 
-    public static Launcher getLauncher(Context context) {
-        return (Launcher) fromContext(context);
+    protected StateHandler[] createStateHandlers() {
+        return new StateHandler[] { getAllAppsController(), getWorkspace() };
     }
 
+    public TouchController[] createTouchControllers() {
+        return new TouchController[] {getDragController(), new AllAppsSwipeController(this)};
+    }
+
+    protected RotationMode getFakeRotationMode(DeviceProfile deviceProfile) {
+        return RotationMode.NORMAL;
+    }
+
+    protected ScaleAndTranslation getOverviewScaleAndTranslationForNormalState() {
+        return new ScaleAndTranslation(1.1f, 0f, 0f);
+    }
+
+    public void useFadeOutAnimationForLauncherStart(CancellationSignal signal) { }
+
+    public void onDragLayerHierarchyChanged() { }
+
     @Override
     public void returnToHomescreen() {
         super.returnToHomescreen();
         getStateManager().goToState(LauncherState.NORMAL);
     }
 
+    public static Launcher getLauncher(Context context) {
+        return (Launcher) fromContext(context);
+    }
+
     /**
      * Just a wrapper around the type cast to allow easier tracking of calls.
      */
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index 6e2626b..d2b447b 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -26,9 +26,11 @@
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_FADE;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_SCALE;
 import static com.android.launcher3.anim.Interpolators.ACCEL;
+import static com.android.launcher3.anim.Interpolators.ACCEL_2;
 import static com.android.launcher3.anim.Interpolators.DEACCEL;
 import static com.android.launcher3.anim.Interpolators.DEACCEL_1_7;
 import static com.android.launcher3.anim.Interpolators.clampToProgress;
+import static com.android.launcher3.states.RotationHelper.REQUEST_NONE;
 import static com.android.launcher3.testing.TestProtocol.ALL_APPS_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.BACKGROUND_APP_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.NORMAL_STATE_ORDINAL;
@@ -36,14 +38,11 @@
 import static com.android.launcher3.testing.TestProtocol.OVERVIEW_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.QUICK_SWITCH_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.SPRING_LOADED_STATE_ORDINAL;
-import static com.android.launcher3.anim.Interpolators.ACCEL_2;
-import static com.android.launcher3.states.RotationHelper.REQUEST_NONE;
 
 import android.view.animation.Interpolator;
 
 import com.android.launcher3.anim.AnimatorSetBuilder;
 import com.android.launcher3.states.SpringLoadedState;
-import com.android.launcher3.uioverrides.UiFactory;
 import com.android.launcher3.uioverrides.states.AllAppsState;
 import com.android.launcher3.uioverrides.states.OverviewState;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
@@ -210,7 +209,7 @@
     }
 
     public ScaleAndTranslation getOverviewScaleAndTranslation(Launcher launcher) {
-        return UiFactory.getOverviewScaleAndTranslationForNormalState(launcher);
+        return launcher.getOverviewScaleAndTranslationForNormalState();
     }
 
     public float getOverviewFullscreenProgress() {
diff --git a/src/com/android/launcher3/LauncherStateManager.java b/src/com/android/launcher3/LauncherStateManager.java
index 848e19f..daf270b 100644
--- a/src/com/android/launcher3/LauncherStateManager.java
+++ b/src/com/android/launcher3/LauncherStateManager.java
@@ -24,7 +24,8 @@
 import android.animation.AnimatorSet;
 import android.os.Handler;
 import android.os.Looper;
-import android.util.Log;
+
+import androidx.annotation.IntDef;
 
 import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.AnimatorPlaybackController;
@@ -32,16 +33,12 @@
 import com.android.launcher3.anim.PropertySetter;
 import com.android.launcher3.anim.PropertySetter.AnimatedPropertySetter;
 import com.android.launcher3.compat.AccessibilityManagerCompat;
-import com.android.launcher3.testing.TestProtocol;
-import com.android.launcher3.uioverrides.UiFactory;
 
 import java.io.PrintWriter;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
 
-import androidx.annotation.IntDef;
-
 /**
  * TODO: figure out what kind of tests we can write for this
  *
@@ -146,7 +143,7 @@
 
     public StateHandler[] getStateHandlers() {
         if (mStateHandlers == null) {
-            mStateHandlers = UiFactory.getStateHandler(mLauncher);
+            mStateHandlers = mLauncher.createStateHandlers();
         }
         return mStateHandlers;
     }
@@ -414,7 +411,6 @@
             // Only disable clipping if needed, otherwise leave it as previous value.
             mLauncher.getWorkspace().setClipChildren(false);
         }
-        UiFactory.onLauncherStateOrResumeChanged(mLauncher);
 
         for (int i = mListeners.size() - 1; i >= 0; i--) {
             mListeners.get(i).onStateTransitionStart(state);
@@ -435,8 +431,6 @@
             setRestState(null);
         }
 
-        UiFactory.onLauncherStateOrResumeChanged(mLauncher);
-
         for (int i = mListeners.size() - 1; i >= 0; i--) {
             mListeners.get(i).onStateTransitionComplete(state);
         }
@@ -444,10 +438,6 @@
         AccessibilityManagerCompat.sendStateEventToTest(mLauncher, state.ordinal);
     }
 
-    public void onWindowFocusChanged() {
-        UiFactory.onLauncherStateOrFocusChanged(mLauncher);
-    }
-
     public LauncherState getLastState() {
         return mLastStableState;
     }
diff --git a/src/com/android/launcher3/WorkspaceItemInfo.java b/src/com/android/launcher3/WorkspaceItemInfo.java
index 23795c5..71bd92f 100644
--- a/src/com/android/launcher3/WorkspaceItemInfo.java
+++ b/src/com/android/launcher3/WorkspaceItemInfo.java
@@ -28,7 +28,7 @@
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.shortcuts.ShortcutKey;
-import com.android.launcher3.uioverrides.UiFactory;
+import com.android.launcher3.uioverrides.ApiWrapper;
 import com.android.launcher3.util.ContentWriter;
 
 import java.util.Arrays;
@@ -192,7 +192,7 @@
         }
         disabledMessage = shortcutInfo.getDisabledMessage();
 
-        Person[] persons = UiFactory.getPersons(shortcutInfo);
+        Person[] persons = ApiWrapper.getPersons(shortcutInfo);
         personKeys = persons.length == 0 ? Utilities.EMPTY_STRING_ARRAY
             : Arrays.stream(persons).map(Person::getKey).sorted().toArray(String[]::new);
     }
diff --git a/src/com/android/launcher3/dragndrop/DragLayer.java b/src/com/android/launcher3/dragndrop/DragLayer.java
index cdc7061..8823bde 100644
--- a/src/com/android/launcher3/dragndrop/DragLayer.java
+++ b/src/com/android/launcher3/dragndrop/DragLayer.java
@@ -57,7 +57,6 @@
 import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.graphics.WorkspaceAndHotseatScrim;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
-import com.android.launcher3.uioverrides.UiFactory;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.launcher3.views.Transposable;
@@ -121,7 +120,7 @@
     }
 
     public void recreateControllers() {
-        mControllers = UiFactory.createTouchControllers(mActivity);
+        mControllers = mActivity.createTouchControllers();
     }
 
     public ViewGroupFocusHelper getFocusIndicatorHelper() {
@@ -477,14 +476,14 @@
     public void onViewAdded(View child) {
         super.onViewAdded(child);
         updateChildIndices();
-        UiFactory.onLauncherStateOrFocusChanged(mActivity);
+        mActivity.onDragLayerHierarchyChanged();
     }
 
     @Override
     public void onViewRemoved(View child) {
         super.onViewRemoved(child);
         updateChildIndices();
-        UiFactory.onLauncherStateOrFocusChanged(mActivity);
+        mActivity.onDragLayerHierarchyChanged();
     }
 
     @Override
diff --git a/src/com/android/launcher3/dragndrop/PinItemDragListener.java b/src/com/android/launcher3/dragndrop/PinItemDragListener.java
index 07eb0d6..869dd94 100644
--- a/src/com/android/launcher3/dragndrop/PinItemDragListener.java
+++ b/src/com/android/launcher3/dragndrop/PinItemDragListener.java
@@ -32,7 +32,6 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.PendingAddItemInfo;
-import com.android.launcher3.uioverrides.UiFactory;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.widget.PendingAddShortcutInfo;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
@@ -68,7 +67,7 @@
     public boolean init(Launcher launcher, boolean alreadyOnHome) {
         super.init(launcher, alreadyOnHome);
         if (!alreadyOnHome) {
-            UiFactory.useFadeOutAnimationForLauncherStart(launcher, mCancelSignal);
+            launcher.useFadeOutAnimationForLauncherStart(mCancelSignal);
         }
         return false;
     }
diff --git a/src/com/android/launcher3/model/BaseLoaderResults.java b/src/com/android/launcher3/model/BaseLoaderResults.java
index 0a4f005..a00a6bd 100644
--- a/src/com/android/launcher3/model/BaseLoaderResults.java
+++ b/src/com/android/launcher3/model/BaseLoaderResults.java
@@ -300,8 +300,8 @@
 
     public LooperIdleLock newIdleLock(Object lock) {
         LooperIdleLock idleLock = new LooperIdleLock(lock, Looper.getMainLooper());
-        // If we are not binding, there is no reason to wait for idle.
-        if (mCallbacks.get() == null) {
+        // If we are not binding or if the main looper is already idle, there is no reason to wait
+        if (mCallbacks.get() == null || Looper.getMainLooper().getQueue().isIdle()) {
             idleLock.queueIdle();
         }
         return idleLock;
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/AllAppsSwipeController.java b/src/com/android/launcher3/touch/AllAppsSwipeController.java
similarity index 77%
rename from src_ui_overrides/com/android/launcher3/uioverrides/AllAppsSwipeController.java
rename to src/com/android/launcher3/touch/AllAppsSwipeController.java
index bd6ea50..195c7f0 100644
--- a/src_ui_overrides/com/android/launcher3/uioverrides/AllAppsSwipeController.java
+++ b/src/com/android/launcher3/touch/AllAppsSwipeController.java
@@ -1,4 +1,19 @@
-package com.android.launcher3.uioverrides;
+/**
+ * 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.touch;
 
 import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.launcher3.LauncherState.NORMAL;
@@ -9,8 +24,6 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.LauncherStateManager.AnimationComponents;
-import com.android.launcher3.touch.AbstractStateChangeTouchController;
-import com.android.launcher3.touch.SwipeDetector;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 
 /**
@@ -58,8 +71,8 @@
 
     @Override
     protected int getLogContainerTypeForNormalState(MotionEvent ev) {
-        return mLauncher.getDragLayer().isEventOverView(mLauncher.getHotseat(), mTouchDownEvent) ?
-                ContainerType.HOTSEAT : ContainerType.WORKSPACE;
+        return mLauncher.getDragLayer().isEventOverView(mLauncher.getHotseat(), mTouchDownEvent)
+                ? ContainerType.HOTSEAT : ContainerType.WORKSPACE;
     }
 
     @Override
diff --git a/src/com/android/launcher3/util/LooperIdleLock.java b/src/com/android/launcher3/util/LooperIdleLock.java
index 2896535..f4ccf42 100644
--- a/src/com/android/launcher3/util/LooperIdleLock.java
+++ b/src/com/android/launcher3/util/LooperIdleLock.java
@@ -22,29 +22,30 @@
 /**
  * Utility class to block execution until the UI looper is idle.
  */
-public class LooperIdleLock implements MessageQueue.IdleHandler, Runnable {
+public class LooperIdleLock implements MessageQueue.IdleHandler {
 
     private final Object mLock;
 
     private boolean mIsLocked;
+    private Looper mLooper;
 
     public LooperIdleLock(Object lock, Looper looper) {
         mLock = lock;
+        mLooper = looper;
         mIsLocked = true;
         looper.getQueue().addIdleHandler(this);
     }
 
     @Override
-    public void run() {
-        Looper.myQueue().addIdleHandler(this);
-    }
-
-    @Override
     public boolean queueIdle() {
         synchronized (mLock) {
             mIsLocked = false;
             mLock.notify();
         }
+        // Manually remove from the list in case we're calling this outside of the idle callbacks
+        // (this is Ok in the normal flow as well because MessageQueue makes a copy of all handlers
+        // before calling back)
+        mLooper.getQueue().removeIdleHandler(this);
         return false;
     }
 
diff --git a/src/com/android/launcher3/util/UiThreadHelper.java b/src/com/android/launcher3/util/UiThreadHelper.java
index a133f01..ec87e79 100644
--- a/src/com/android/launcher3/util/UiThreadHelper.java
+++ b/src/com/android/launcher3/util/UiThreadHelper.java
@@ -23,7 +23,6 @@
 import android.os.IBinder;
 import android.os.Message;
 import android.view.inputmethod.InputMethodManager;
-import com.android.launcher3.uioverrides.UiFactory;
 
 /**
  * Utility class for offloading some class from UI thread
diff --git a/src/com/android/launcher3/util/ViewOnDrawExecutor.java b/src/com/android/launcher3/util/ViewOnDrawExecutor.java
index 61ba4e5..5a131c8 100644
--- a/src/com/android/launcher3/util/ViewOnDrawExecutor.java
+++ b/src/com/android/launcher3/util/ViewOnDrawExecutor.java
@@ -55,7 +55,9 @@
             mLoadAnimationCompleted = true;
         }
 
-        attachObserver();
+        if (mAttachedView.isAttachedToWindow()) {
+            attachObserver();
+        }
     }
 
     private void attachObserver() {
diff --git a/src_plugins/com/android/systemui/plugins/OverscrollPlugin.java b/src_plugins/com/android/systemui/plugins/OverscrollPlugin.java
new file mode 100644
index 0000000..60eb304
--- /dev/null
+++ b/src_plugins/com/android/systemui/plugins/OverscrollPlugin.java
@@ -0,0 +1,44 @@
+/*
+ * 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.systemui.plugins;
+
+import com.android.systemui.plugins.annotations.ProvidesInterface;
+
+/**
+ * Implement this interface to receive a callback when the user swipes right
+ * to left on the gesture area. It won't fire if the user has quick switched to a previous app
+ * (swiped right) and the current app isn't yet the active one (i.e., if swiping left would take
+ * the user to a more recent app).
+ */
+@ProvidesInterface(action = com.android.systemui.plugins.OverscrollPlugin.ACTION,
+        version = com.android.systemui.plugins.OverlayPlugin.VERSION)
+public interface OverscrollPlugin extends Plugin {
+
+    String ACTION = "com.android.systemui.action.PLUGIN_LAUNCHER_OVERSCROLL";
+    int VERSION = 1;
+
+    String DEVICE_STATE_LOCKED = "Locked";
+    String DEVICE_STATE_LAUNCHER = "Launcher";
+    String DEVICE_STATE_APP = "App";
+    String DEVICE_STATE_UNKNOWN = "Unknown";
+
+    /**
+     * Called when the user completed a right to left swipe in the gesture area.
+     *
+     * @param deviceState One of the DEVICE_STATE_* constants.
+     */
+    void onOverscroll(String deviceState);
+}
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java b/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java
new file mode 100644
index 0000000..5407ea3
--- /dev/null
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.uioverrides;
+
+import android.app.Activity;
+import android.app.Person;
+import android.content.pm.ShortcutInfo;
+
+import com.android.launcher3.Utilities;
+
+import java.io.PrintWriter;
+
+public class ApiWrapper {
+
+    public static boolean dumpActivity(Activity activity, PrintWriter writer) {
+        return false;
+    }
+
+    public static Person[] getPersons(ShortcutInfo si) {
+        return Utilities.EMPTY_PERSON_ARRAY;
+    }
+}
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java b/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java
deleted file mode 100644
index 606c990..0000000
--- a/src_ui_overrides/com/android/launcher3/uioverrides/UiFactory.java
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.uioverrides;
-
-import android.app.Activity;
-import android.app.Person;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentSender;
-import android.content.pm.ShortcutInfo;
-import android.os.Bundle;
-import android.os.CancellationSignal;
-
-import com.android.launcher3.DeviceProfile;
-import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherState.ScaleAndTranslation;
-import com.android.launcher3.LauncherStateManager.StateHandler;
-import com.android.launcher3.Utilities;
-import com.android.launcher3.graphics.RotationMode;
-import com.android.launcher3.util.TouchController;
-
-import java.io.PrintWriter;
-
-public class UiFactory {
-
-    public static TouchController[] createTouchControllers(Launcher launcher) {
-        return new TouchController[] {
-                launcher.getDragController(), new AllAppsSwipeController(launcher)};
-    }
-
-    public static Runnable enableLiveUIChanges(Launcher l) {
-        return null;
-    }
-
-    public static StateHandler[] getStateHandler(Launcher launcher) {
-        return new StateHandler[] {
-                launcher.getAllAppsController(), launcher.getWorkspace() };
-    }
-
-    public static void resetOverview(Launcher launcher) { }
-
-    public static void onLauncherStateOrFocusChanged(Launcher launcher) { }
-
-    public static void onCreate(Launcher launcher) { }
-
-    public static void onStart(Launcher launcher) { }
-
-    public static void onEnterAnimationComplete(Context context) {}
-
-    public static void onLauncherStateOrResumeChanged(Launcher launcher) { }
-
-    public static void onTrimMemory(Launcher launcher, int level) { }
-
-    public static void useFadeOutAnimationForLauncherStart(Launcher launcher,
-            CancellationSignal cancellationSignal) { }
-
-    public static boolean dumpActivity(Activity activity, PrintWriter writer) {
-        return false;
-    }
-
-    public static void setBackButtonAlpha(Launcher launcher, float alpha, boolean animate) { }
-
-
-    public static ScaleAndTranslation getOverviewScaleAndTranslationForNormalState(Launcher l) {
-        return new ScaleAndTranslation(1.1f, 0f, 0f);
-    }
-
-    public static RotationMode getRotationMode(DeviceProfile dp) {
-        return RotationMode.NORMAL;
-    }
-
-    public static boolean startIntentSenderForResult(Activity activity, IntentSender intent,
-            int requestCode, Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags,
-            Bundle options) {
-        return false;
-    }
-
-    public static boolean startActivityForResult(Activity activity, Intent intent, int requestCode,
-            Bundle options) {
-        return false;
-    }
-
-    public static void resetPendingActivityResults(Launcher launcher, int requestCode) { }
-
-    public static Person[] getPersons(ShortcutInfo si) {
-        return Utilities.EMPTY_PERSON_ARRAY;
-    }
-}
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 41a4bdb..484cbb6 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -497,9 +497,7 @@
     }
 
     public void waitForLauncherInitialized() {
-        // b/136278866
-        final int attempts = android.os.Build.MODEL.contains("Cuttlefish") ? 600 : 100;
-        for (int i = 0; i < attempts; ++i) {
+        for (int i = 0; i < 100; ++i) {
             if (getTestInfo(
                     TestProtocol.REQUEST_IS_LAUNCHER_INITIALIZED).
                     getBoolean(TestProtocol.TEST_INFO_RESPONSE_FIELD)) {