Merge "Not crash when UI objects disappear during visible objects verification" into ub-launcher3-master
diff --git a/go/src/com/android/launcher3/model/WidgetsModel.java b/go/src/com/android/launcher3/model/WidgetsModel.java
index 7b8f4e6..7269b41 100644
--- a/go/src/com/android/launcher3/model/WidgetsModel.java
+++ b/go/src/com/android/launcher3/model/WidgetsModel.java
@@ -19,8 +19,10 @@
 import android.content.Context;
 import android.os.UserHandle;
 
-import com.android.launcher3.icons.ComponentWithLabel;
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.LauncherAppState;
+import com.android.launcher3.icons.ComponentWithLabel;
 import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.widget.WidgetListRowEntry;
 
@@ -29,8 +31,6 @@
 import java.util.List;
 import java.util.Set;
 
-import androidx.annotation.Nullable;
-
 /**
  * Widgets data model that is used by the adapters of the widget views and controllers.
  *
@@ -39,7 +39,7 @@
 public class WidgetsModel {
 
     // True is the widget support is disabled.
-    public static final boolean GO_DISABLE_WIDGETS = false;
+    public static final boolean GO_DISABLE_WIDGETS = true;
 
     private static final ArrayList<WidgetListRowEntry> EMPTY_WIDGET_LIST = new ArrayList<>();
 
diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index 826a275..5d871c3 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -91,6 +91,17 @@
                   android:taskAffinity="${packageName}.locktask"
                   android:directBootAware="true" />
 
+        <activity
+            android:name="com.android.quickstep.interaction.BackGestureTutorialActivity"
+            android:autoRemoveFromRecents="true"
+            android:excludeFromRecents="true"
+            android:screenOrientation="portrait">
+            <intent-filter>
+                <action android:name="com.android.quickstep.action.BACK_GESTURE_TUTORIAL" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+
     </application>
 
 </manifest>
diff --git a/quickstep/recents_ui_overrides/res/drawable/hotseat_edu_notification_icon.xml b/quickstep/recents_ui_overrides/res/drawable/hotseat_edu_notification_icon.xml
new file mode 100644
index 0000000..f0e70a8
--- /dev/null
+++ b/quickstep/recents_ui_overrides/res/drawable/hotseat_edu_notification_icon.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector android:height="24dp" android:viewportHeight="24"
+    android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@color/hotseat_edu_background" android:pathData="M19 9l1.25-2.75L23 5l-2.75-1.25L19 1l-1.25 2.75L15 5l2.75 1.25L19 9zm-7.5.5L9 4 6.5 9.5 1 12l5.5 2.5L9 20l2.5-5.5L17 12l-5.5-2.5zM19 15l-1.25 2.75L15 19l2.75 1.25L19 23l1.25-2.75L23 19l-2.75-1.25L19 15z"/>
+</vector>
diff --git a/quickstep/recents_ui_overrides/res/drawable/hotseat_prediction_edu_top.xml b/quickstep/recents_ui_overrides/res/drawable/hotseat_prediction_edu_top.xml
new file mode 100644
index 0000000..e3cc549
--- /dev/null
+++ b/quickstep/recents_ui_overrides/res/drawable/hotseat_prediction_edu_top.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector android:height="15.53398dp" android:viewportHeight="32"
+    android:viewportWidth="412" android:width="200dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@color/hotseat_edu_background" android:pathData="M412,32v-2.64C349.26,10.51 279.5,0 206,0S62.74,10.51 0,29.36V32H412z"/>
+</vector>
diff --git a/quickstep/recents_ui_overrides/res/layout/predicted_hotseat_edu.xml b/quickstep/recents_ui_overrides/res/layout/predicted_hotseat_edu.xml
new file mode 100644
index 0000000..ee38e3b
--- /dev/null
+++ b/quickstep/recents_ui_overrides/res/layout/predicted_hotseat_edu.xml
@@ -0,0 +1,102 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<com.android.launcher3.hybridhotseat.HotseatEduDialog xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:launcher="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_gravity="bottom"
+    android:layout_height="wrap_content"
+    android:gravity="bottom"
+    android:orientation="vertical">
+
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="32dp"
+        android:background="@drawable/hotseat_prediction_edu_top" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@color/hotseat_edu_background"
+        android:orientation="vertical">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="18dp"
+            android:fontFamily="google-sans"
+            android:paddingLeft="@dimen/hotseat_edu_padding"
+            android:paddingRight="@dimen/hotseat_edu_padding"
+            android:text="@string/hotseat_migrate_title"
+            android:textAlignment="center"
+            android:textColor="@android:color/white"
+            android:textSize="20sp" />
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="18dp"
+            android:layout_marginBottom="18dp"
+            android:fontFamily="roboto-medium"
+            android:paddingLeft="@dimen/hotseat_edu_padding"
+            android:paddingRight="@dimen/hotseat_edu_padding"
+            android:text="@string/hotseat_migrate_message"
+            android:textAlignment="center"
+            android:textColor="@android:color/white"
+            android:textSize="16sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:id="@+id/hotseat_wrapper"
+            android:orientation="vertical">
+
+            <com.android.launcher3.CellLayout
+                android:id="@+id/sample_prediction"
+                android:layout_width="match_parent"
+                android:layout_height="0dp"
+                launcher:containerType="hotseat" />
+
+            <FrameLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:paddingLeft="@dimen/hotseat_edu_padding"
+                android:paddingTop="8dp"
+                android:paddingRight="@dimen/hotseat_edu_padding">
+
+                <Button
+                    android:id="@+id/turn_predictions_on"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="end"
+                    android:background="?android:attr/selectableItemBackground"
+                    android:text="@string/hotseat_migrate_accept"
+                    android:textAlignment="textEnd"
+                    android:textColor="@android:color/white" />
+
+                <Button
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:id="@+id/no_thanks"
+                    android:text="@string/hotseat_migrate_dismiss"
+                    android:layout_gravity="start"
+                    android:background="?android:attr/selectableItemBackground"
+                    android:textColor="@android:color/white" />
+
+            </FrameLayout>
+        </LinearLayout>
+    </LinearLayout>
+
+</com.android.launcher3.hybridhotseat.HotseatEduDialog>
\ No newline at end of file
diff --git a/quickstep/recents_ui_overrides/res/values/colors.xml b/quickstep/recents_ui_overrides/res/values/colors.xml
index 7426e30..4fa5684 100644
--- a/quickstep/recents_ui_overrides/res/values/colors.xml
+++ b/quickstep/recents_ui_overrides/res/values/colors.xml
@@ -6,4 +6,6 @@
     <color name="all_apps_label_text_dark">#61FFFFFF</color>
     <color name="all_apps_prediction_row_separator">#3c000000</color>
     <color name="all_apps_prediction_row_separator_dark">#3cffffff</color>
+
+    <color name="hotseat_edu_background">#f01A73E8</color>
 </resources>
\ No newline at end of file
diff --git a/quickstep/recents_ui_overrides/res/values/dimens.xml b/quickstep/recents_ui_overrides/res/values/dimens.xml
index ee672d4..c458ec7 100644
--- a/quickstep/recents_ui_overrides/res/values/dimens.xml
+++ b/quickstep/recents_ui_overrides/res/values/dimens.xml
@@ -29,8 +29,7 @@
     <dimen name="swipe_up_y_overshoot">10dp</dimen>
     <dimen name="swipe_up_max_workspace_trans_y">-60dp</dimen>
 
-    <!-- Predicted icon related -->
-    <dimen name="predicted_icon_background_corner_radius">15dp</dimen>
-    <dimen name="predicted_icon_background_inset">8dp</dimen>
+    <!-- Hybrid hotseat related -->
+    <dimen name="hotseat_edu_padding">24dp</dimen>
 
 </resources>
\ No newline at end of file
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionUiStateManager.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionUiStateManager.java
index e45eded..06b9f1f 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionUiStateManager.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/PredictionUiStateManager.java
@@ -26,7 +26,6 @@
 
 import androidx.annotation.NonNull;
 
-import com.android.launcher3.HotseatPredictionController;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile.OnIDPChangeListener;
 import com.android.launcher3.ItemInfo;
@@ -39,6 +38,7 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.allapps.AllAppsContainerView;
 import com.android.launcher3.allapps.AllAppsStore.OnUpdateListener;
+import com.android.launcher3.hybridhotseat.HotseatPredictionController;
 import com.android.launcher3.icons.IconCache.ItemInfoUpdateReceiver;
 import com.android.launcher3.shortcuts.ShortcutKey;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatEduController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatEduController.java
new file mode 100644
index 0000000..0fd4aac
--- /dev/null
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatEduController.java
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.hybridhotseat;
+
+import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.content.Intent;
+import android.content.res.Configuration;
+import android.os.Build;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.core.app.NotificationCompat;
+
+import com.android.launcher3.ItemInfo;
+import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherSettings;
+import com.android.launcher3.R;
+import com.android.launcher3.WorkspaceItemInfo;
+import com.android.launcher3.uioverrides.QuickstepLauncher;
+import com.android.launcher3.util.ActivityTracker;
+
+import java.util.List;
+
+/**
+ * Controller class for managing user onboaridng flow for hybrid hotseat
+ */
+public class HotseatEduController {
+    public static final String KEY_HOTSEAT_EDU_SEEN = "hotseat_edu_seen";
+
+    private static final String NOTIFICATION_CHANNEL_ID = "launcher_onboarding";
+    private static final int ONBOARDING_NOTIFICATION_ID = 7641;
+
+    private final Launcher mLauncher;
+    private List<WorkspaceItemInfo> mPredictedApps;
+    private HotseatEduDialog mActiveDialog;
+
+    private final NotificationManager mNotificationManager;
+    private final Notification mNotification;
+
+    HotseatEduController(Launcher launcher) {
+        mLauncher = launcher;
+        mNotificationManager = mLauncher.getSystemService(NotificationManager.class);
+        createNotificationChannel();
+        mNotification = createNotification();
+    }
+
+    void migrate() {
+        ViewGroup hotseatVG = mLauncher.getHotseat().getShortcutsAndWidgets();
+        int workspacePageCount = mLauncher.getWorkspace().getPageCount();
+        for (int i = 0; i < hotseatVG.getChildCount(); i++) {
+            View child = hotseatVG.getChildAt(i);
+            ItemInfo tag = (ItemInfo) child.getTag();
+            mLauncher.getModelWriter().moveItemInDatabase(tag,
+                    LauncherSettings.Favorites.CONTAINER_DESKTOP, workspacePageCount, tag.screenId,
+                    0);
+        }
+    }
+
+    void removeNotification() {
+        mNotificationManager.cancel(ONBOARDING_NOTIFICATION_ID);
+    }
+
+    void finishOnboarding() {
+        mLauncher.rebindModel();
+        mLauncher.getSharedPrefs().edit().putBoolean(KEY_HOTSEAT_EDU_SEEN, true).apply();
+        removeNotification();
+    }
+
+    void setPredictedApps(List<WorkspaceItemInfo> predictedApps) {
+        mPredictedApps = predictedApps;
+        if (!mPredictedApps.isEmpty()
+                && mLauncher.getOrientation() == Configuration.ORIENTATION_PORTRAIT) {
+            mNotificationManager.notify(ONBOARDING_NOTIFICATION_ID, mNotification);
+        }
+    }
+
+    private void createNotificationChannel() {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return;
+        CharSequence name = mLauncher.getString(R.string.hotseat_migrate_title);
+        int importance = NotificationManager.IMPORTANCE_LOW;
+        NotificationChannel channel = new NotificationChannel(NOTIFICATION_CHANNEL_ID, name,
+                importance);
+        mNotificationManager.createNotificationChannel(channel);
+    }
+
+    private Notification createNotification() {
+        Intent intent = new Intent(mLauncher.getApplicationContext(), mLauncher.getClass());
+        intent = new NotificationHandler().addToIntent(intent);
+
+        CharSequence name = mLauncher.getString(R.string.hotseat_migrate_prompt_title);
+        String description = mLauncher.getString(R.string.hotseat_migrate_prompt_content);
+        NotificationCompat.Builder builder = new NotificationCompat.Builder(mLauncher,
+                NOTIFICATION_CHANNEL_ID)
+                .setContentTitle(name)
+                .setOngoing(true)
+                .setColor(mLauncher.getColor(R.color.hotseat_edu_background))
+                .setContentIntent(PendingIntent.getActivity(mLauncher, 0, intent,
+                        PendingIntent.FLAG_CANCEL_CURRENT))
+                .setSmallIcon(R.drawable.hotseat_edu_notification_icon)
+                .setContentText(description);
+        return builder.build();
+
+    }
+
+    void destroy() {
+        removeNotification();
+        if (mActiveDialog != null) {
+            mActiveDialog.setHotseatEduController(null);
+        }
+    }
+
+    void showDialog() {
+        if (mPredictedApps == null || mPredictedApps.isEmpty()) {
+            return;
+        }
+        if (mActiveDialog != null) {
+            mActiveDialog.handleClose(false);
+        }
+        mActiveDialog = HotseatEduDialog.getDialog(mLauncher);
+        mActiveDialog.setHotseatEduController(this);
+        mActiveDialog.show(mPredictedApps);
+    }
+
+    static class NotificationHandler implements
+            ActivityTracker.SchedulerCallback<QuickstepLauncher> {
+        @Override
+        public boolean init(QuickstepLauncher activity, boolean alreadyOnHome) {
+            activity.getHotseatPredictionController().showEduDialog();
+            return true;
+        }
+    }
+}
+
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java
new file mode 100644
index 0000000..4c87945
--- /dev/null
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.hybridhotseat;
+
+import android.animation.PropertyValuesHolder;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Button;
+import android.widget.Toast;
+
+import com.android.launcher3.CellLayout;
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.Insettable;
+import com.android.launcher3.Launcher;
+import com.android.launcher3.R;
+import com.android.launcher3.WorkspaceItemInfo;
+import com.android.launcher3.anim.Interpolators;
+import com.android.launcher3.uioverrides.PredictedAppIcon;
+import com.android.launcher3.userevent.nano.LauncherLogProto;
+import com.android.launcher3.views.AbstractSlideInView;
+
+import java.util.List;
+
+/**
+ * User education dialog for hybrid hotseat. Allows user to migrate hotseat items to a new page in
+ * the workspace and shows predictions on the whole hotseat
+ */
+public class HotseatEduDialog extends AbstractSlideInView implements Insettable {
+
+    private static final int DEFAULT_CLOSE_DURATION = 200;
+
+    public static boolean shown = false;
+
+    private final Rect mInsets = new Rect();
+    private View mHotseatWrapper;
+    private CellLayout mSampleHotseat;
+
+    public void setHotseatEduController(HotseatEduController hotseatEduController) {
+        mHotseatEduController = hotseatEduController;
+    }
+
+    private HotseatEduController mHotseatEduController;
+
+    public HotseatEduDialog(Context context, AttributeSet attr) {
+        this(context, attr, 0);
+    }
+
+    public HotseatEduDialog(Context context, AttributeSet attrs,
+            int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        mContent = this;
+    }
+
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        mHotseatWrapper = findViewById(R.id.hotseat_wrapper);
+        mSampleHotseat = findViewById(R.id.sample_prediction);
+
+        DeviceProfile grid = mLauncher.getDeviceProfile();
+        Rect padding = grid.getHotseatLayoutPadding();
+
+        mSampleHotseat.getLayoutParams().height = grid.cellHeightPx;
+        mSampleHotseat.setGridSize(grid.inv.numHotseatIcons, 1);
+        mSampleHotseat.setPadding(padding.left, 0, padding.right, 0);
+
+        Button turnOnBtn = findViewById(R.id.turn_predictions_on);
+        turnOnBtn.setOnClickListener(this::onMigrate);
+
+        Button learnMoreBtn = findViewById(R.id.no_thanks);
+        learnMoreBtn.setOnClickListener(this::onKeepDefault);
+
+    }
+
+    private void onMigrate(View v) {
+        if (mHotseatEduController == null) return;
+        handleClose(true);
+        mHotseatEduController.migrate();
+        mHotseatEduController.finishOnboarding();
+        Toast.makeText(mLauncher, R.string.hotseat_items_migrated, Toast.LENGTH_LONG).show();
+    }
+
+    private void onKeepDefault(View v) {
+        if (mHotseatEduController == null) return;
+        Toast.makeText(getContext(), R.string.hotseat_no_migration, Toast.LENGTH_LONG).show();
+        mHotseatEduController.finishOnboarding();
+        handleClose(true);
+    }
+
+    @Override
+    public void logActionCommand(int command) {
+        // Since this is on-boarding popup, it is not a user controlled action.
+    }
+
+    @Override
+    public int getLogContainerType() {
+        return LauncherLogProto.ContainerType.TIP;
+    }
+
+    @Override
+    protected boolean isOfType(int type) {
+        return (type & TYPE_ON_BOARD_POPUP) != 0;
+    }
+
+    @Override
+    public void setInsets(Rect insets) {
+        int leftInset = insets.left - mInsets.left;
+        int rightInset = insets.right - mInsets.right;
+        int bottomInset = insets.bottom - mInsets.bottom;
+        mInsets.set(insets);
+        setPadding(leftInset, getPaddingTop(), rightInset, 0);
+        mHotseatWrapper.setPadding(mHotseatWrapper.getPaddingLeft(), getPaddingTop(),
+                mHotseatWrapper.getPaddingRight(), bottomInset);
+        mHotseatWrapper.getLayoutParams().height =
+                mLauncher.getDeviceProfile().hotseatBarSizePx + insets.bottom;
+    }
+
+
+    private void animateOpen() {
+        if (mIsOpen || mOpenCloseAnimator.isRunning()) {
+            return;
+        }
+        mIsOpen = true;
+        mOpenCloseAnimator.setValues(
+                PropertyValuesHolder.ofFloat(TRANSLATION_SHIFT, TRANSLATION_SHIFT_OPENED));
+        mOpenCloseAnimator.setInterpolator(Interpolators.FAST_OUT_SLOW_IN);
+        mOpenCloseAnimator.start();
+    }
+
+    @Override
+    protected void handleClose(boolean animate) {
+        handleClose(true, DEFAULT_CLOSE_DURATION);
+    }
+
+    @Override
+    protected void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        handleClose(false);
+    }
+
+    /**
+     * Opens User education dialog with a list of suggested apps
+     */
+    public void show(List<WorkspaceItemInfo> predictions) {
+        if (getParent() != null
+                || predictions.size() < mLauncher.getDeviceProfile().inv.numHotseatIcons) {
+            return;
+        }
+        mLauncher.getDragLayer().addView(this);
+        animateOpen();
+        for (int i = 0; i < mLauncher.getDeviceProfile().inv.numHotseatIcons; i++) {
+            WorkspaceItemInfo info = predictions.get(i);
+            PredictedAppIcon icon = PredictedAppIcon.createIcon(mSampleHotseat, info);
+            icon.setEnabled(false);
+            icon.verifyHighRes();
+            CellLayout.LayoutParams lp = new CellLayout.LayoutParams(i, 0, 1, 1);
+            mSampleHotseat.addViewToCellLayout(icon, i, info.getViewId(), lp, true);
+        }
+    }
+
+    /**
+     * Factory method for HotseatPredictionUserEdu dialog
+     */
+    public static HotseatEduDialog getDialog(Launcher launcher) {
+        LayoutInflater layoutInflater = LayoutInflater.from(launcher);
+        return (HotseatEduDialog) layoutInflater.inflate(
+                R.layout.predicted_hotseat_edu, launcher.getDragLayer(),
+                false);
+
+    }
+}
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/HotseatPredictionController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
similarity index 92%
rename from quickstep/recents_ui_overrides/src/com/android/launcher3/HotseatPredictionController.java
rename to quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
index b94142a..8f6081b 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/HotseatPredictionController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.android.launcher3;
+package com.android.launcher3.hybridhotseat;
 
 import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
 
@@ -35,6 +35,20 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
+import com.android.launcher3.AppInfo;
+import com.android.launcher3.BubbleTextView;
+import com.android.launcher3.DragSource;
+import com.android.launcher3.DropTarget;
+import com.android.launcher3.Hotseat;
+import com.android.launcher3.InvariantDeviceProfile;
+import com.android.launcher3.ItemInfo;
+import com.android.launcher3.ItemInfoWithIcon;
+import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherSettings;
+import com.android.launcher3.LauncherState;
+import com.android.launcher3.R;
+import com.android.launcher3.Workspace;
+import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.allapps.AllAppsStore;
 import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.appprediction.ComponentKeyMapper;
@@ -93,6 +107,7 @@
     private AllAppsStore mAllAppsStore;
     private AnimatorSet mIconRemoveAnimators;
 
+    private HotseatEduController mHotseatEduController;
 
     private List<PredictedAppIcon.PredictedIconOutlineDrawing> mOutlineDrawings = new ArrayList<>();
 
@@ -118,6 +133,23 @@
         }
     }
 
+    /**
+     * Returns whether or not the prediction controller is ready to show predictions
+     */
+    public boolean isReady() {
+        return mLauncher.getSharedPrefs().getBoolean(HotseatEduController.KEY_HOTSEAT_EDU_SEEN,
+                false);
+    }
+
+    /**
+     * Transitions to NORMAL workspace mode and shows edu dialog
+     */
+    public void showEduDialog() {
+        if (mHotseatEduController == null) return;
+        mLauncher.getStateManager().goToState(LauncherState.NORMAL, true,
+                () -> mHotseatEduController.showDialog());
+    }
+
     @Override
     public void onViewAttachedToWindow(View view) {
         mLauncher.getDragController().addDragListener(this);
@@ -133,7 +165,7 @@
     }
 
     private void fillGapsWithPrediction(boolean animate, Runnable callback) {
-        if (mDragObject != null) {
+        if (!isReady() || mDragObject != null) {
             return;
         }
         List<WorkspaceItemInfo> predictedApps = mapToWorkspaceItemInfo(mComponentKeyMappers);
@@ -234,6 +266,12 @@
         mAppPredictor.registerPredictionUpdates(mLauncher.getMainExecutor(),
                 this::setPredictedApps);
 
+        if (!isReady()) {
+            if (mHotseatEduController != null) {
+                mHotseatEduController.destroy();
+            }
+            mHotseatEduController = new HotseatEduController(mLauncher);
+        }
         mAppPredictor.requestPredictionUpdate();
     }
 
@@ -244,6 +282,7 @@
         bundle.putParcelableArrayList(BUNDLE_KEY_WORKSPACE, getPinnedAppTargetsInViewGroup(
                 mLauncher.getWorkspace().getScreenWithId(
                         Workspace.FIRST_SCREEN_ID).getShortcutsAndWidgets()));
+
         return bundle;
     }
 
@@ -272,7 +311,11 @@
             mComponentKeyMappers.add(new ComponentKeyMapper(key, mDynamicItemCache));
         }
         updateDependencies();
-        fillGapsWithPrediction();
+        if (isReady()) {
+            fillGapsWithPrediction();
+        } else if (mHotseatEduController != null) {
+            mHotseatEduController.setPredictedApps(mapToWorkspaceItemInfo(mComponentKeyMappers));
+        }
     }
 
     private void updateDependencies() {
@@ -466,9 +509,7 @@
     }
 
     @Override
-    public void reapplyItemInfo(ItemInfoWithIcon info) {
-
-    }
+    public void reapplyItemInfo(ItemInfoWithIcon info) {}
 
     @Override
     public void onDropCompleted(View target, DropTarget.DragObject d, boolean success) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index cae01ae..4b5ba95 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -27,12 +27,12 @@
 
 import com.android.launcher3.BaseQuickstepLauncher;
 import com.android.launcher3.DeviceProfile;
-import com.android.launcher3.HotseatPredictionController;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.graphics.RotationMode;
+import com.android.launcher3.hybridhotseat.HotseatPredictionController;
 import com.android.launcher3.popup.SystemShortcut;
 import com.android.launcher3.uioverrides.touchcontrollers.FlingAndHoldTouchController;
 import com.android.launcher3.uioverrides.touchcontrollers.LandscapeEdgeSwipeController;
diff --git a/quickstep/res/drawable/ic_bulb_outline.xml b/quickstep/res/drawable/ic_bulb_outline.xml
deleted file mode 100644
index ef7bf9a..0000000
--- a/quickstep/res/drawable/ic_bulb_outline.xml
+++ /dev/null
@@ -1,29 +0,0 @@
-<!--
-    Copyright (C) 2020 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="192dp"
-    android:height="192dp"
-    android:viewportWidth="192"
-    android:viewportHeight="192">
-    <path
-        android:pathData="M96,90.01"
-        android:strokeWidth="2.4297"
-        android:fillColor="#00000000"
-        android:strokeColor="#FFC800"/>
-    <path
-        android:pathData="M153.24,48.09c-0.5,-1.51 -0.99,-2.86 -1.51,-4.12c-3.03,-7.1 -7.26,-13.45 -12.59,-18.88C127.68,13.42 112.4,7 96.1,7c-14,0 -27.66,4.93 -38.45,13.87C47,29.69 39.61,41.99 36.82,55.51c-0.76,3.9 -1.14,7.86 -1.14,11.78c0,16.39 6.36,31.77 17.9,43.3c2.65,2.65 5.59,5.08 8.74,7.23l0.09,24.14v22.03c0,5.33 4.82,10.01 10.32,10.01h0.41h3.85v0c0,6.23 4.53,10.93 10.53,10.93h16.94c6.01,0 10.54,-4.7 10.54,-10.93v0h4.31c5.56,0 10.26,-4.5 10.26,-9.83v-22.01c0.01,-0.06 0.01,-0.13 0.01,-0.2v-23.74c16.75,-11.15 26.73,-30.15 26.73,-50.94C156.31,60.76 155.28,54.3 153.24,48.09zM118.51,111.08l-0.46,0.29l-0.46,0.29v0.55v0.55v4.38v22.77l-14.12,0V95.9h14h2v-2v-8.5v-2h-2H74.53h-2v2v8.5v2h2h14v44.02l-14.13,0l-0.09,-23.21l-0.02,-4.3l0,-0.54l0,-0.54l-0.45,-0.29l-0.45,-0.29l-3.6,-2.36c-2.81,-1.84 -5.41,-3.95 -7.73,-6.28c-9.27,-9.26 -14.38,-21.63 -14.38,-34.82c0,-3.14 0.3,-6.31 0.9,-9.43C53.25,35.35 73.23,19 96.1,19c13.05,0 25.3,5.15 34.48,14.5c4.27,4.34 7.66,9.43 10.08,15.1c0.39,0.96 0.78,2.03 1.18,3.24c1.64,5 2.47,10.2 2.47,15.45c0,17.1 -8.27,32.58 -22.11,41.43L118.51,111.08z"
-        android:fillColor="#4285F4"/>
-</vector>
\ No newline at end of file
diff --git a/quickstep/res/values/strings.xml b/quickstep/res/values/strings.xml
index 378858f..ce87527 100644
--- a/quickstep/res/values/strings.xml
+++ b/quickstep/res/values/strings.xml
@@ -67,14 +67,30 @@
     <string name="all_apps_prediction_tip">Your predicted apps</string>
 
     <!-- Content description for a close button. [CHAR LIMIT=NONE] -->
-    <string name="back_gesture_tutorial_close_button_content_description" translatable="false">Close</string>
+    <string  name="back_gesture_tutorial_close_button_content_description" translatable="false">Close</string>
 
-    <!-- Title shown on the notification of Back gesture tutorial. [CHAR LIMIT=30] -->
-    <string name="back_gesture_tutorial_notification_title" translatable="false">Try the new back gesture</string>
-    <!-- Subtitle shown on the notification of Back gesture tutorial. [CHAR LIMIT=60] -->
-    <string name="back_gesture_tutorial_notification_subtitle" translatable="false">Learn how to go back while using your apps</string>
-    <!-- Action text shown on the notification of Back gesture tutorial. [CHAR LIMIT=14] -->
-    <string name="back_gesture_tutorial_notification_action_label" translatable="false">Try it</string>
+    <!-- Hotseat migration notification title -->
+    <string translatable="false" name="hotseat_migrate_prompt_title">Your Hotseat just got smarter</string>
+    <!-- Hotseat migration notification content -->
+    <string translatable="false" name="hotseat_migrate_prompt_content">Tap here to setup and learn more</string>
+    <!-- Hotseat migration wizard title -->
+    <string translatable="false" name="hotseat_migrate_title">Pixel Suggests apps you\'ll need next</string>
+    <!-- Hotseat migration wizard message -->
+    <string translatable="false" name="hotseat_migrate_message">Suggested apps will replace the bottom row of apps. To pin an app, drag it over a suggested app. Touch &amp; hold an app to hide it.</string>
+    <!-- Toast message user sees after opting into fully predicted hybrid hotseat -->
+    <string translatable="false" name="hotseat_items_migrated">Your hotseat items have been moved to the last page.</string>
+    <!-- Toast message user sees after opting into fully predicted hybrid hotseat -->
+    <string translatable="false" name="hotseat_no_migration">You can remove items from the hotseat manually to see suggested apps in their spot.</string>
+    <!-- Button text to opt in for fully predicted hotseat -->
+    <string translatable="false" name="hotseat_migrate_accept">Migrate</string>
+    <!-- Button text to dismiss opt in for fully predicted hotseat -->
+    <string translatable="false" name="hotseat_migrate_dismiss">No thanks</string>
+    <!-- Hotseat onboard notification title -->
+    <string translatable="false" name="hotseat_onboard_notification_title">Your hotseat just got smarter</string>
+    <!-- Hotseat onboard notification detail -->
+    <string translatable="false" name="hotseat_onboard_notification_detail">Tap here to set it up</string>
+
+
 
     <!-- Title shown during interactive part of Back gesture tutorial for right edge. [CHAR LIMIT=30] -->
     <string name="back_gesture_tutorial_playground_title_swipe_inward_right_edge" translatable="false">Try the back gesture</string>
diff --git a/quickstep/res/xml/notification_action.xml b/quickstep/res/xml/notification_action.xml
deleted file mode 100644
index cc3612e..0000000
--- a/quickstep/res/xml/notification_action.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<!--
-    Copyright (C) 2020 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<alias xmlns:android="http://schemas.android.com/apk/res/android">
-    <intent
-        android:action="com.android.quickstep.action.BACK_GESTURE_TUTORIAL" />
-</alias>
\ No newline at end of file
diff --git a/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialActivity.java b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialActivity.java
new file mode 100644
index 0000000..295ab48
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialActivity.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep.interaction;
+
+import android.graphics.Color;
+import android.os.Bundle;
+import android.view.View;
+import android.view.Window;
+
+import androidx.fragment.app.FragmentActivity;
+
+import com.android.launcher3.R;
+import com.android.quickstep.interaction.BackGestureTutorialFragment.TutorialStep;
+import com.android.quickstep.interaction.BackGestureTutorialFragment.TutorialType;
+
+import java.util.Optional;
+
+/** Shows the Back gesture interactive tutorial in full screen mode. */
+public class BackGestureTutorialActivity extends FragmentActivity {
+
+    Optional<BackGestureTutorialFragment> mFragment = Optional.empty();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        requestWindowFeature(Window.FEATURE_NO_TITLE);
+        setContentView(R.layout.back_gesture_tutorial_activity);
+
+        mFragment = Optional.of(BackGestureTutorialFragment.newInstance(TutorialStep.ENGAGED,
+                TutorialType.RIGHT_EDGE_BACK_NAVIGATION));
+        getSupportFragmentManager().beginTransaction()
+                .add(R.id.back_gesture_tutorial_fragment_container, mFragment.get())
+                .commit();
+    }
+
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if (hasFocus) {
+            hideSystemUI();
+        }
+    }
+
+    @Override
+    public void onBackPressed() {
+        if (mFragment.isPresent()) {
+            mFragment.get().onBackPressed();
+        }
+    }
+
+    private void hideSystemUI() {
+        getWindow().getDecorView().setSystemUiVisibility(
+                View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
+                        | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
+                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                        | View.SYSTEM_UI_FLAG_FULLSCREEN);
+        getWindow().setNavigationBarColor(Color.TRANSPARENT);
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialConfirmController.java b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialConfirmController.java
new file mode 100644
index 0000000..486d676
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialConfirmController.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep.interaction;
+
+import android.view.View;
+
+import com.android.launcher3.R;
+import com.android.quickstep.interaction.BackGestureTutorialFragment.TutorialStep;
+
+import java.util.Optional;
+
+/**
+ * An implementation of {@link BackGestureTutorialController} that defines the behavior of the
+ * {@link TutorialStep#CONFIRM}.
+ */
+final class BackGestureTutorialConfirmController extends BackGestureTutorialController {
+
+    BackGestureTutorialConfirmController(BackGestureTutorialFragment fragment,
+            BackGestureTutorialTypeInfo tutorialTypeInfo) {
+        super(fragment, TutorialStep.CONFIRM, Optional.of(tutorialTypeInfo));
+    }
+
+    @Override
+    Optional<Integer> getTitleStringId() {
+        return Optional.of(mTutorialTypeInfo.get().getTutorialConfirmTitleId());
+    }
+
+    @Override
+    Optional<Integer> getSubtitleStringId() {
+        return Optional.of(mTutorialTypeInfo.get().getTutorialConfirmSubtitleId());
+    }
+
+    @Override
+    Optional<Integer> getActionButtonStringId() {
+        return Optional.of(R.string.back_gesture_tutorial_action_button_label);
+    }
+
+    @Override
+    Optional<Integer> getActionTextButtonStringId() {
+        return Optional.of(R.string.back_gesture_tutorial_action_text_button_label);
+    }
+
+    @Override
+    void onActionButtonClicked(View button) {
+        hideHandCoachingAnimation();
+        if (button == mActionTextButton) {
+            mFragment.startSystemNavigationSetting();
+        }
+        mFragment.closeTutorial();
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialController.java b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialController.java
new file mode 100644
index 0000000..3fe91a3
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialController.java
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep.interaction;
+
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.android.launcher3.R;
+import com.android.quickstep.interaction.BackGestureTutorialFragment.TutorialStep;
+import com.android.quickstep.interaction.BackGestureTutorialFragment.TutorialType;
+
+import java.util.Optional;
+
+/**
+ * Defines the behavior of the particular {@link TutorialStep} and implements the transition to it.
+ */
+abstract class BackGestureTutorialController {
+
+    final BackGestureTutorialFragment mFragment;
+    final TutorialStep mTutorialStep;
+    final Optional<BackGestureTutorialTypeInfo> mTutorialTypeInfo;
+    final Button mActionTextButton;
+    final Button mActionButton;
+    final TextView mSubtitleTextView;
+    final ImageButton mCloseButton;
+    final BackGestureTutorialHandAnimation mHandCoachingAnimation;
+    final LinearLayout mTitlesContainer;
+
+    private final TextView mTitleTextView;
+    private final ImageView mHandCoachingView;
+
+    BackGestureTutorialController(
+            BackGestureTutorialFragment fragment,
+            TutorialStep tutorialStep,
+            Optional<BackGestureTutorialTypeInfo> tutorialTypeInfo) {
+        mFragment = fragment;
+        mTutorialStep = tutorialStep;
+        mTutorialTypeInfo = tutorialTypeInfo;
+
+        View rootView = fragment.getRootView();
+        mActionTextButton = rootView.findViewById(
+                R.id.back_gesture_tutorial_fragment_action_text_button);
+        mActionButton = rootView.findViewById(R.id.back_gesture_tutorial_fragment_action_button);
+        mSubtitleTextView = rootView.findViewById(
+                R.id.back_gesture_tutorial_fragment_subtitle_view);
+        mTitleTextView = rootView.findViewById(R.id.back_gesture_tutorial_fragment_title_view);
+        mHandCoachingView = rootView.findViewById(
+                R.id.back_gesture_tutorial_fragment_hand_coaching);
+        mHandCoachingAnimation = mFragment.getHandAnimation();
+        mHandCoachingView.bringToFront();
+        mCloseButton = rootView.findViewById(R.id.back_gesture_tutorial_fragment_close_button);
+        mTitlesContainer = rootView.findViewById(
+                R.id.back_gesture_tutorial_fragment_titles_container);
+    }
+
+    void transitToController() {
+        updateTitles();
+        updateActionButtons();
+    }
+
+    void hideHandCoachingAnimation() {
+        mHandCoachingAnimation.stop();
+    }
+
+    void onGestureDetected() {
+        hideHandCoachingAnimation();
+
+        if (mTutorialStep == TutorialStep.CONFIRM) {
+            mFragment.closeTutorial();
+            return;
+        }
+
+        if (mTutorialTypeInfo.get().getTutorialType() == TutorialType.RIGHT_EDGE_BACK_NAVIGATION) {
+            mFragment.changeController(TutorialStep.ENGAGED,
+                    TutorialType.LEFT_EDGE_BACK_NAVIGATION);
+            return;
+        }
+
+        mFragment.changeController(TutorialStep.CONFIRM);
+    }
+
+    abstract Optional<Integer> getTitleStringId();
+
+    abstract Optional<Integer> getSubtitleStringId();
+
+    abstract Optional<Integer> getActionButtonStringId();
+
+    abstract Optional<Integer> getActionTextButtonStringId();
+
+    abstract void onActionButtonClicked(View button);
+
+    private void updateActionButtons() {
+        updateButton(mActionButton, getActionButtonStringId(), this::onActionButtonClicked);
+        updateButton(mActionTextButton, getActionTextButtonStringId(), this::onActionButtonClicked);
+    }
+
+    private static void updateButton(Button button, Optional<Integer> stringId,
+            View.OnClickListener listener) {
+        if (!stringId.isPresent()) {
+            button.setVisibility(View.INVISIBLE);
+            return;
+        }
+
+        button.setVisibility(View.VISIBLE);
+        button.setText(stringId.get());
+        button.setOnClickListener(listener);
+    }
+
+    private void updateTitles() {
+        updateTitleView(mTitleTextView, getTitleStringId(),
+                R.style.TextAppearance_BackGestureTutorial_Title);
+        updateTitleView(mSubtitleTextView, getSubtitleStringId(),
+                R.style.TextAppearance_BackGestureTutorial_Subtitle);
+    }
+
+    private static void updateTitleView(TextView textView, Optional<Integer> stringId,
+            int styleId) {
+        if (!stringId.isPresent()) {
+            textView.setVisibility(View.GONE);
+            return;
+        }
+
+        textView.setVisibility(View.VISIBLE);
+        textView.setText(stringId.get());
+        textView.setTextAppearance(styleId);
+    }
+
+    /**
+     * Constructs {@link BackGestureTutorialController} for providing {@link TutorialType} and
+     * {@link TutorialStep}.
+     */
+    static Optional<BackGestureTutorialController> getTutorialController(
+            BackGestureTutorialFragment fragment, TutorialStep tutorialStep,
+            TutorialType tutorialType) {
+        BackGestureTutorialTypeInfo tutorialTypeInfo =
+                BackGestureTutorialTypeInfoProvider.getTutorialTypeInfo(tutorialType);
+        switch (tutorialStep) {
+            case ENGAGED:
+                return Optional.of(
+                        new BackGestureTutorialEngagedController(fragment, tutorialTypeInfo));
+            case CONFIRM:
+                return Optional.of(
+                        new BackGestureTutorialConfirmController(fragment, tutorialTypeInfo));
+            default:
+                throw new AssertionError("Unexpected tutorial step: " + tutorialStep);
+        }
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialEngagedController.java b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialEngagedController.java
new file mode 100644
index 0000000..c9ee1e2
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialEngagedController.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep.interaction;
+
+import android.view.View;
+
+import com.android.quickstep.interaction.BackGestureTutorialFragment.TutorialStep;
+
+import java.util.Optional;
+
+/**
+ * An implementation of {@link BackGestureTutorialController} that defines the behavior of the
+ * {@link TutorialStep#ENGAGED}.
+ */
+final class BackGestureTutorialEngagedController extends BackGestureTutorialController {
+
+    BackGestureTutorialEngagedController(
+            BackGestureTutorialFragment fragment, BackGestureTutorialTypeInfo tutorialTypeInfo) {
+        super(fragment, TutorialStep.ENGAGED, Optional.of(tutorialTypeInfo));
+    }
+
+    @Override
+    void transitToController() {
+        super.transitToController();
+        mHandCoachingAnimation.maybeStartLoopedAnimation(mTutorialTypeInfo.get().getTutorialType());
+    }
+
+    @Override
+    Optional<Integer> getTitleStringId() {
+        return Optional.of(mTutorialTypeInfo.get().getTutorialPlaygroundTitleId());
+    }
+
+    @Override
+    Optional<Integer> getSubtitleStringId() {
+        return Optional.of(mTutorialTypeInfo.get().getTutorialEngagedSubtitleId());
+    }
+
+    @Override
+    Optional<Integer> getActionButtonStringId() {
+        return Optional.empty();
+    }
+
+    @Override
+    Optional<Integer> getActionTextButtonStringId() {
+        return Optional.empty();
+    }
+
+    @Override
+    void onActionButtonClicked(View button) {
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialFragment.java b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialFragment.java
new file mode 100644
index 0000000..54408ce
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialFragment.java
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep.interaction;
+
+import android.content.ActivityNotFoundException;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.fragment.app.Fragment;
+
+import com.android.launcher3.R;
+
+import java.net.URISyntaxException;
+import java.util.Optional;
+
+/** Shows the Back gesture interactive tutorial. */
+public class BackGestureTutorialFragment extends Fragment {
+
+    private static final String LOG_TAG = "TutorialFragment";
+    private static final String KEY_TUTORIAL_STEP = "tutorialStep";
+    private static final String KEY_TUTORIAL_TYPE = "tutorialType";
+    private static final String SYSTEM_NAVIGATION_SETTING_INTENT =
+            "#Intent;action=com.android.settings.SEARCH_RESULT_TRAMPOLINE;S"
+                    + ".:settings:fragment_args_key=gesture_system_navigation_input_summary;S"
+                    + ".:settings:show_fragment=com.android.settings.gestures"
+                    + ".SystemNavigationGestureSettings;end";
+
+    private TutorialStep mTutorialStep;
+    private TutorialType mTutorialType;
+    private Optional<BackGestureTutorialController> mTutorialController = Optional.empty();
+    private View mRootView;
+    private BackGestureTutorialHandAnimation mHandCoachingAnimation;
+
+    public static BackGestureTutorialFragment newInstance(
+            TutorialStep tutorialStep, TutorialType tutorialType) {
+        BackGestureTutorialFragment fragment = new BackGestureTutorialFragment();
+        Bundle args = new Bundle();
+        args.putSerializable(KEY_TUTORIAL_STEP, tutorialStep);
+        args.putSerializable(KEY_TUTORIAL_TYPE, tutorialType);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Bundle args = savedInstanceState != null ? savedInstanceState : getArguments();
+        mTutorialStep = (TutorialStep) args.getSerializable(KEY_TUTORIAL_STEP);
+        mTutorialType = (TutorialType) args.getSerializable(KEY_TUTORIAL_TYPE);
+    }
+
+    @Override
+    public View onCreateView(
+            LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        super.onCreateView(inflater, container, savedInstanceState);
+
+        mRootView = inflater.inflate(R.layout.back_gesture_tutorial_fragment,
+                container, /* attachToRoot= */ false);
+        mRootView.findViewById(R.id.back_gesture_tutorial_fragment_close_button)
+                .setOnClickListener(this::onCloseButtonClicked);
+        mHandCoachingAnimation = new BackGestureTutorialHandAnimation(getContext(), mRootView);
+
+        return mRootView;
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        changeController(mTutorialStep, mTutorialType);
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        mHandCoachingAnimation.stop();
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle savedInstanceState) {
+        savedInstanceState.putSerializable(KEY_TUTORIAL_STEP, mTutorialStep);
+        savedInstanceState.putSerializable(KEY_TUTORIAL_TYPE, mTutorialType);
+        super.onSaveInstanceState(savedInstanceState);
+    }
+
+    View getRootView() {
+        return mRootView;
+    }
+
+    BackGestureTutorialHandAnimation getHandAnimation() {
+        return mHandCoachingAnimation;
+    }
+
+    void changeController(TutorialStep tutorialStep) {
+        changeController(tutorialStep, mTutorialType);
+    }
+
+    void changeController(TutorialStep tutorialStep, TutorialType tutorialType) {
+        Optional<BackGestureTutorialController> tutorialController =
+                BackGestureTutorialController.getTutorialController(/* fragment= */ this,
+                        tutorialStep, tutorialType);
+        if (!tutorialController.isPresent()) {
+            return;
+        }
+
+        mTutorialController = tutorialController;
+        mTutorialController.get().transitToController();
+        this.mTutorialStep = mTutorialController.get().mTutorialStep;
+        this.mTutorialType = tutorialType;
+    }
+
+    void onBackPressed() {
+        if (mTutorialController.isPresent()) {
+            mTutorialController.get().onGestureDetected();
+        }
+    }
+
+    void closeTutorial() {
+        getActivity().finish();
+    }
+
+    void startSystemNavigationSetting() {
+        try {
+            startActivityForResult(
+                    Intent.parseUri(SYSTEM_NAVIGATION_SETTING_INTENT, /* flags= */ 0),
+                    /* requestCode= */ 0);
+        } catch (URISyntaxException e) {
+            Log.e(LOG_TAG, "The launch Intent Uri is wrong syntax: " + e);
+        } catch (ActivityNotFoundException e) {
+            Log.e(LOG_TAG, "The launch Activity not found: " + e);
+        }
+    }
+
+    private void onCloseButtonClicked(View button) {
+        closeTutorial();
+    }
+
+    /** Denotes the step of the tutorial. */
+    enum TutorialStep {
+        ENGAGED,
+        CONFIRM,
+    }
+
+    /** Denotes the type of the tutorial. */
+    enum TutorialType {
+        RIGHT_EDGE_BACK_NAVIGATION,
+        LEFT_EDGE_BACK_NAVIGATION,
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialHandAnimation.java b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialHandAnimation.java
new file mode 100644
index 0000000..d03811d
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialHandAnimation.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep.interaction;
+
+import android.content.Context;
+import android.graphics.drawable.Animatable2;
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.graphics.drawable.Drawable;
+import android.view.View;
+import android.widget.ImageView;
+
+import androidx.core.content.ContextCompat;
+
+import com.android.launcher3.R;
+import com.android.quickstep.interaction.BackGestureTutorialFragment.TutorialType;
+
+import java.time.Duration;
+
+/** Hand coaching animation. */
+final class BackGestureTutorialHandAnimation {
+
+    // A delay for waiting the Activity fully launches.
+    private static final Duration ANIMATION_START_DELAY = Duration.ofMillis(300L);
+
+    private final ImageView mHandCoachingView;
+    private final AnimatedVectorDrawable mGestureAnimation;
+
+    private boolean mIsAnimationPlayed = false;
+
+    BackGestureTutorialHandAnimation(Context context, View rootView) {
+        mHandCoachingView = rootView.findViewById(
+                R.id.back_gesture_tutorial_fragment_hand_coaching);
+        mGestureAnimation = (AnimatedVectorDrawable) ContextCompat.getDrawable(context,
+                R.drawable.back_gesture);
+    }
+
+    boolean isRunning() {
+        return mGestureAnimation.isRunning();
+    }
+
+    /**
+     * Starts animation if the playground is launched for the first time.
+     */
+    void maybeStartLoopedAnimation(TutorialType tutorialType) {
+        if (isRunning() || mIsAnimationPlayed) {
+            return;
+        }
+
+        mIsAnimationPlayed = true;
+        clearAnimationCallbacks();
+        mGestureAnimation.registerAnimationCallback(
+                new Animatable2.AnimationCallback() {
+                    @Override
+                    public void onAnimationEnd(Drawable drawable) {
+                        super.onAnimationEnd(drawable);
+                        mGestureAnimation.start();
+                    }
+                });
+        start(tutorialType);
+    }
+
+    private void start(TutorialType tutorialType) {
+        // Because the gesture animation has only the right side form.
+        // The left side form of the gesture animation is made from flipping the View.
+        float rotationY = tutorialType == TutorialType.LEFT_EDGE_BACK_NAVIGATION ? 180f : 0f;
+        mHandCoachingView.setRotationY(rotationY);
+        mHandCoachingView.setImageDrawable(mGestureAnimation);
+        mHandCoachingView.postDelayed(() -> mGestureAnimation.start(),
+                ANIMATION_START_DELAY.toMillis());
+    }
+
+    private void clearAnimationCallbacks() {
+        mGestureAnimation.clearAnimationCallbacks();
+    }
+
+    void stop() {
+        mIsAnimationPlayed = false;
+        clearAnimationCallbacks();
+        mGestureAnimation.stop();
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialTypeInfo.java b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialTypeInfo.java
new file mode 100644
index 0000000..ac8443d
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialTypeInfo.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep.interaction;
+
+import com.android.quickstep.interaction.BackGestureTutorialFragment.TutorialType;
+
+/** Defines the UI element identifiers for the particular {@link TutorialType}. */
+final class BackGestureTutorialTypeInfo {
+
+    private final TutorialType mTutorialType;
+    private final int mTutorialPlaygroundTitleId;
+    private final int mTutorialEngagedSubtitleId;
+    private final int mTutorialConfirmTitleId;
+    private final int mTutorialConfirmSubtitleId;
+
+    TutorialType getTutorialType() {
+        return mTutorialType;
+    }
+
+    int getTutorialPlaygroundTitleId() {
+        return mTutorialPlaygroundTitleId;
+    }
+
+    int getTutorialEngagedSubtitleId() {
+        return mTutorialEngagedSubtitleId;
+    }
+
+    int getTutorialConfirmTitleId() {
+        return mTutorialConfirmTitleId;
+    }
+
+    int getTutorialConfirmSubtitleId() {
+        return mTutorialConfirmSubtitleId;
+    }
+
+    static Builder builder() {
+        return new Builder();
+    }
+
+    private BackGestureTutorialTypeInfo(
+            TutorialType tutorialType,
+            int tutorialPlaygroundTitleId,
+            int tutorialEngagedSubtitleId,
+            int tutorialConfirmTitleId,
+            int tutorialConfirmSubtitleId) {
+        mTutorialType = tutorialType;
+        mTutorialPlaygroundTitleId = tutorialPlaygroundTitleId;
+        mTutorialEngagedSubtitleId = tutorialEngagedSubtitleId;
+        mTutorialConfirmTitleId = tutorialConfirmTitleId;
+        mTutorialConfirmSubtitleId = tutorialConfirmSubtitleId;
+    }
+
+    /** Builder for producing {@link BackGestureTutorialTypeInfo} objects. */
+    static class Builder {
+
+        private TutorialType mTutorialType;
+        private Integer mTutorialPlaygroundTitleId;
+        private Integer mTutorialEngagedSubtitleId;
+        private Integer mTutorialConfirmTitleId;
+        private Integer mTutorialConfirmSubtitleId;
+
+        Builder setTutorialType(TutorialType tutorialType) {
+            mTutorialType = tutorialType;
+            return this;
+        }
+
+        Builder setTutorialPlaygroundTitleId(int stringId) {
+            mTutorialPlaygroundTitleId = stringId;
+            return this;
+        }
+
+        Builder setTutorialEngagedSubtitleId(int stringId) {
+            mTutorialEngagedSubtitleId = stringId;
+            return this;
+        }
+
+        Builder setTutorialConfirmTitleId(int stringId) {
+            mTutorialConfirmTitleId = stringId;
+            return this;
+        }
+
+        Builder setTutorialConfirmSubtitleId(int stringId) {
+            mTutorialConfirmSubtitleId = stringId;
+            return this;
+        }
+
+        BackGestureTutorialTypeInfo build() {
+            return new BackGestureTutorialTypeInfo(
+                    mTutorialType,
+                    mTutorialPlaygroundTitleId,
+                    mTutorialEngagedSubtitleId,
+                    mTutorialConfirmTitleId,
+                    mTutorialConfirmSubtitleId);
+        }
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialTypeInfoProvider.java b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialTypeInfoProvider.java
new file mode 100644
index 0000000..9575d83
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/interaction/BackGestureTutorialTypeInfoProvider.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep.interaction;
+
+import com.android.launcher3.R;
+import com.android.quickstep.interaction.BackGestureTutorialFragment.TutorialType;
+
+/** Provides instances of {@link BackGestureTutorialTypeInfo} for each {@link TutorialType}. */
+final class BackGestureTutorialTypeInfoProvider {
+
+    private static final BackGestureTutorialTypeInfo RIGHT_EDGE_BACK_NAV_TUTORIAL_INFO =
+            BackGestureTutorialTypeInfo.builder()
+                    .setTutorialType(TutorialType.RIGHT_EDGE_BACK_NAVIGATION)
+                    .setTutorialPlaygroundTitleId(
+                            R.string.back_gesture_tutorial_playground_title_swipe_inward_right_edge)
+                    .setTutorialEngagedSubtitleId(
+                            R.string.back_gesture_tutorial_engaged_subtitle_swipe_inward_right_edge)
+                    .setTutorialConfirmTitleId(R.string.back_gesture_tutorial_confirm_title)
+                    .setTutorialConfirmSubtitleId(R.string.back_gesture_tutorial_confirm_subtitle)
+                    .build();
+
+    private static final BackGestureTutorialTypeInfo LEFT_EDGE_BACK_NAV_TUTORIAL_INFO =
+            BackGestureTutorialTypeInfo.builder()
+                    .setTutorialType(TutorialType.LEFT_EDGE_BACK_NAVIGATION)
+                    .setTutorialPlaygroundTitleId(
+                            R.string.back_gesture_tutorial_playground_title_swipe_inward_left_edge)
+                    .setTutorialEngagedSubtitleId(
+                            R.string.back_gesture_tutorial_engaged_subtitle_swipe_inward_left_edge)
+                    .setTutorialConfirmTitleId(R.string.back_gesture_tutorial_confirm_title)
+                    .setTutorialConfirmSubtitleId(R.string.back_gesture_tutorial_confirm_subtitle)
+                    .build();
+
+    static BackGestureTutorialTypeInfo getTutorialTypeInfo(TutorialType tutorialType) {
+        switch (tutorialType) {
+            case RIGHT_EDGE_BACK_NAVIGATION:
+                return RIGHT_EDGE_BACK_NAV_TUTORIAL_INFO;
+            case LEFT_EDGE_BACK_NAVIGATION:
+                return LEFT_EDGE_BACK_NAV_TUTORIAL_INFO;
+            default:
+                throw new AssertionError("Unexpected tutorial type: " + tutorialType);
+        }
+    }
+
+    private BackGestureTutorialTypeInfoProvider() {
+    }
+}
diff --git a/res/values/strings.xml b/res/values/strings.xml
index dec8939..218f6db 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -103,7 +103,7 @@
     <!-- Label for install drop target. [CHAR_LIMIT=20] -->
     <string name="install_drop_target_label">Install</string>
     <!-- Label for install dismiss prediction. -->
-    <string translatable="false" name="dismiss_prediction_label">Dismiss prediction</string>
+    <string translatable="false" name="dismiss_prediction_label">Don\'t suggest app</string>
     <!-- Label for pinning predicted app. -->
     <string name="pin_prediction" translatable="false">Pin Prediction</string>
 
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index 03ee707..b89e727 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -49,12 +49,17 @@
         super(context, attrs, defStyle);
     }
 
-    /* Get the orientation specific coordinates given an invariant order in the hotseat. */
-    int getCellXFromOrder(int rank) {
+    /**
+     * Returns orientation specific cell X given invariant order in the hotseat
+     */
+    public int getCellXFromOrder(int rank) {
         return mHasVerticalHotseat ? 0 : rank;
     }
 
-    int getCellYFromOrder(int rank) {
+    /**
+     * Returns orientation specific cell Y given invariant order in the hotseat
+     */
+    public int getCellYFromOrder(int rank) {
         return mHasVerticalHotseat ? (getCountY() - (rank + 1)) : 0;
     }
 
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 7af979c..f96e735 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -418,9 +418,6 @@
         }
 
         // Always enter the spring loaded mode
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_DRAG_TO_WORKSPACE, "Switching to SPRING_LOADED");
-        }
         mLauncher.getStateManager().goToState(SPRING_LOADED);
     }
 
@@ -1760,9 +1757,6 @@
     public void prepareAccessibilityDrop() { }
 
     public void onDrop(final DragObject d, DragOptions options) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_DRAG_TO_WORKSPACE, "Workspace.onDrop");
-        }
         mDragViewVisualCenter = d.getVisualCenter(mDragViewVisualCenter);
         CellLayout dropTargetLayout = mDropToLayout;
 
@@ -2440,9 +2434,6 @@
      * to add an item to one of the workspace screens.
      */
     private void onDropExternal(final int[] touchXY, final CellLayout cellLayout, DragObject d) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_DRAG_TO_WORKSPACE, "Workspace.onDropExternal");
-        }
         if (d.dragInfo instanceof PendingAddShortcutInfo) {
             WorkspaceItemInfo si = ((PendingAddShortcutInfo) d.dragInfo)
                     .activityInfo.createWorkspaceItemInfo();
diff --git a/src/com/android/launcher3/dragndrop/DragController.java b/src/com/android/launcher3/dragndrop/DragController.java
index dcdf5d6..8adec27 100644
--- a/src/com/android/launcher3/dragndrop/DragController.java
+++ b/src/com/android/launcher3/dragndrop/DragController.java
@@ -594,9 +594,6 @@
     }
 
     private void drop(DropTarget dropTarget, Runnable flingAnimation) {
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_DRAG_TO_WORKSPACE, "DragController.drop");
-        }
         final int[] coordinates = mCoordinatesTemp;
         mDragObject.x = coordinates[0];
         mDragObject.y = coordinates[1];
diff --git a/src/com/android/launcher3/dragndrop/DragDriver.java b/src/com/android/launcher3/dragndrop/DragDriver.java
index 01e0f92..87461d5 100644
--- a/src/com/android/launcher3/dragndrop/DragDriver.java
+++ b/src/com/android/launcher3/dragndrop/DragDriver.java
@@ -54,16 +54,10 @@
                 mEventListener.onDriverDragMove(ev.getX(), ev.getY());
                 break;
             case MotionEvent.ACTION_UP:
-                if (TestProtocol.sDebugTracing) {
-                    Log.d(TestProtocol.NO_DRAG_TO_WORKSPACE, "DragDriver.ACTION_UP");
-                }
                 mEventListener.onDriverDragMove(ev.getX(), ev.getY());
                 mEventListener.onDriverDragEnd(ev.getX(), ev.getY());
                 break;
             case MotionEvent.ACTION_CANCEL:
-                if (TestProtocol.sDebugTracing) {
-                    Log.d(TestProtocol.NO_DRAG_TO_WORKSPACE, "DragDriver.ACTION_CANCEL");
-                }
                 mEventListener.onDriverDragCancel();
                 break;
         }
diff --git a/src/com/android/launcher3/folder/FolderIcon.java b/src/com/android/launcher3/folder/FolderIcon.java
index 7bbd45d..f322061 100644
--- a/src/com/android/launcher3/folder/FolderIcon.java
+++ b/src/com/android/launcher3/folder/FolderIcon.java
@@ -180,6 +180,14 @@
         icon.mLauncher = launcher;
         icon.mDotRenderer = grid.mDotRendererWorkSpace;
         icon.setContentDescription(launcher.getString(R.string.folder_name_format, folderInfo.title));
+
+        // Keep the notification dot up to date with the sum of all the content's dots.
+        FolderDotInfo folderDotInfo = new FolderDotInfo();
+        for (WorkspaceItemInfo si : folderInfo.contents) {
+            folderDotInfo.addDotInfo(launcher.getDotInfoForItem(si));
+        }
+        icon.setDotInfo(folderDotInfo);
+
         Folder folder = Folder.fromXml(launcher);
         folder.setDragController(launcher.getDragController());
         folder.setFolderIcon(icon);
diff --git a/src/com/android/launcher3/notification/NotificationFooterLayout.java b/src/com/android/launcher3/notification/NotificationFooterLayout.java
index c7de5b0..fd3d41a 100644
--- a/src/com/android/launcher3/notification/NotificationFooterLayout.java
+++ b/src/com/android/launcher3/notification/NotificationFooterLayout.java
@@ -80,17 +80,28 @@
         int iconSize = res.getDimensionPixelSize(R.dimen.notification_footer_icon_size);
         mIconLayoutParams = new LayoutParams(iconSize, iconSize);
         mIconLayoutParams.gravity = Gravity.CENTER_VERTICAL;
-        // Compute margin start for each icon such that the icons between the first one
-        // and the ellipsis are evenly spaced out.
+        setWidth((int) res.getDimension(R.dimen.bg_popup_item_width));
+        mBackgroundColor = Themes.getAttrColor(context, R.attr.popupColorPrimary);
+    }
+
+
+    /**
+     * Compute margin start for each icon such that the icons between the first one and the ellipsis
+     * are evenly spaced out.
+     */
+    public void setWidth(int width) {
+        if (getLayoutParams() != null) {
+            getLayoutParams().width = width;
+        }
+        Resources res = getResources();
+        int iconSize = res.getDimensionPixelSize(R.dimen.notification_footer_icon_size);
+
         int paddingEnd = res.getDimensionPixelSize(R.dimen.notification_footer_icon_row_padding);
         int ellipsisSpace = res.getDimensionPixelSize(R.dimen.horizontal_ellipsis_offset)
                 + res.getDimensionPixelSize(R.dimen.horizontal_ellipsis_size);
-        int footerWidth = res.getDimensionPixelSize(R.dimen.bg_popup_item_width);
-        int availableIconRowSpace = footerWidth - paddingEnd - ellipsisSpace
+        int availableIconRowSpace = width - paddingEnd - ellipsisSpace
                 - iconSize * MAX_FOOTER_NOTIFICATIONS;
         mIconLayoutParams.setMarginStart(availableIconRowSpace / MAX_FOOTER_NOTIFICATIONS);
-
-        mBackgroundColor = Themes.getAttrColor(context, R.attr.popupColorPrimary);
     }
 
     @Override
diff --git a/src/com/android/launcher3/notification/NotificationItemView.java b/src/com/android/launcher3/notification/NotificationItemView.java
index 021fb30..0320aa3 100644
--- a/src/com/android/launcher3/notification/NotificationItemView.java
+++ b/src/com/android/launcher3/notification/NotificationItemView.java
@@ -86,6 +86,13 @@
         }
     }
 
+    /**
+     * Sets width for notification footer and spaces out items evenly
+     */
+    public void setFooterWidth(int footerWidth) {
+        mFooter.setWidth(footerWidth);
+    }
+
     public void removeFooter() {
         if (mContainer.indexOfChild(mFooter) >= 0) {
             mContainer.removeView(mFooter);
diff --git a/src/com/android/launcher3/popup/PopupContainerWithArrow.java b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
index e70673a..72c95c4 100644
--- a/src/com/android/launcher3/popup/PopupContainerWithArrow.java
+++ b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
@@ -37,7 +37,6 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.util.Pair;
 import android.view.MotionEvent;
 import android.view.View;
@@ -66,7 +65,6 @@
 import com.android.launcher3.popup.PopupDataProvider.PopupDataChangeListener;
 import com.android.launcher3.shortcuts.DeepShortcutView;
 import com.android.launcher3.shortcuts.ShortcutDragPreviewProvider;
-import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.touch.ItemClickHandler;
 import com.android.launcher3.touch.ItemLongClickListener;
 import com.android.launcher3.util.PackageUserKey;
@@ -257,6 +255,16 @@
         mNumNotifications = notificationKeys.size();
         mOriginalIcon = originalIcon;
 
+        boolean hasDeepShortcuts = shortcutCount > 0;
+        int containerWidth = (int) getResources().getDimension(R.dimen.bg_popup_item_width);
+
+        // if there are deep shortcuts, we might want to increase the width of shortcuts to fit
+        // horizontally laid out system shortcuts.
+        if (hasDeepShortcuts) {
+            containerWidth = (int) Math.max(containerWidth,
+                    systemShortcuts.size() * getResources().getDimension(
+                            R.dimen.system_shortcut_header_icon_touch_size));
+        }
         // Add views
         if (mNumNotifications > 0) {
             // Add notification entries
@@ -265,18 +273,22 @@
             if (mNumNotifications == 1) {
                 mNotificationItemView.removeFooter();
             }
+            else {
+                mNotificationItemView.setFooterWidth(containerWidth);
+            }
             updateNotificationHeader();
         }
         int viewsToFlip = getChildCount();
         mSystemShortcutContainer = this;
-
-        if (shortcutCount > 0) {
+        if (hasDeepShortcuts) {
             if (mNotificationItemView != null) {
                 mNotificationItemView.addGutter();
             }
 
             for (int i = shortcutCount; i > 0; i--) {
-                mShortcuts.add(inflateAndAdd(R.layout.deep_shortcut, this));
+                DeepShortcutView v = inflateAndAdd(R.layout.deep_shortcut, this);
+                v.getLayoutParams().width = containerWidth;
+                mShortcuts.add(v);
             }
             updateHiddenShortcuts();
 
diff --git a/src/com/android/launcher3/popup/SystemShortcut.java b/src/com/android/launcher3/popup/SystemShortcut.java
index b580bd6..48f1c49 100644
--- a/src/com/android/launcher3/popup/SystemShortcut.java
+++ b/src/com/android/launcher3/popup/SystemShortcut.java
@@ -178,7 +178,10 @@
 
     public static final Factory<Launcher> DISMISS_PREDICTION = (launcher, itemInfo) -> {
         if (!FeatureFlags.ENABLE_PREDICTION_DISMISS.get()) return null;
-        if (itemInfo.container != LauncherSettings.Favorites.CONTAINER_PREDICTION) return null;
+        if (itemInfo.container != LauncherSettings.Favorites.CONTAINER_PREDICTION
+                && itemInfo.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION) {
+            return null;
+        }
         return new DismissPrediction(launcher, itemInfo);
     };
 
diff --git a/src/com/android/launcher3/provider/RestoreDbTask.java b/src/com/android/launcher3/provider/RestoreDbTask.java
index 36ff07e..9987994 100644
--- a/src/com/android/launcher3/provider/RestoreDbTask.java
+++ b/src/com/android/launcher3/provider/RestoreDbTask.java
@@ -114,9 +114,7 @@
         }
         try {
             int itemsDeleted = db.delete(Favorites.TABLE_NAME, whereClause.toString(), profileIds);
-            if (itemsDeleted > 0) {
-                FileLog.d(TAG, itemsDeleted + " items from unrestored user(s) were deleted");
-            }
+            FileLog.d(TAG, itemsDeleted + " items from unrestored user(s) were deleted");
         } catch (IllegalArgumentException exception) {
             // b/147114476
             FileLog.e(TAG, new StringBuilder("Failed to execute delete, where clause: '")
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index 5aae841..dd8df88 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -86,6 +86,5 @@
     public static final String PERMANENT_DIAG_TAG = "TaplTarget";
 
     public static final String NO_BACKGROUND_TO_OVERVIEW_TAG = "b/138251824";
-    public static final String NO_DRAG_TO_WORKSPACE = "b/138729456";
     public static final String APP_NOT_DISABLED = "b/139891609";
 }
diff --git a/src/com/android/launcher3/views/BaseDragLayer.java b/src/com/android/launcher3/views/BaseDragLayer.java
index e43fc8a..cae2c3a 100644
--- a/src/com/android/launcher3/views/BaseDragLayer.java
+++ b/src/com/android/launcher3/views/BaseDragLayer.java
@@ -261,10 +261,6 @@
             }
             case ACTION_CANCEL:
             case ACTION_UP:
-                if (TestProtocol.sDebugTracing) {
-                    Log.d(TestProtocol.NO_DRAG_TO_WORKSPACE,
-                            "BaseDragLayer.ACTION_UP/CANCEL " + ev);
-                }
                 mTouchDispatchState &= ~TOUCH_DISPATCHING_GESTURE;
                 mTouchDispatchState &= ~TOUCH_DISPATCHING_VIEW;
                 break;
diff --git a/src/com/android/launcher3/views/OptionsPopupView.java b/src/com/android/launcher3/views/OptionsPopupView.java
index 88d34da..5ba931d 100644
--- a/src/com/android/launcher3/views/OptionsPopupView.java
+++ b/src/com/android/launcher3/views/OptionsPopupView.java
@@ -47,7 +47,6 @@
 import java.util.ArrayList;
 import java.util.List;
 
-
 /**
  * Popup shown on long pressing an empty space in launcher
  */
diff --git a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
index d7096b0..7ea70a1 100644
--- a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
+++ b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
@@ -18,6 +18,9 @@
 
 import static androidx.test.InstrumentationRegistry.getInstrumentation;
 
+import static com.android.launcher3.util.rule.TestStabilityRule.LOCAL;
+import static com.android.launcher3.util.rule.TestStabilityRule.UNBUNDLED_POSTSUBMIT;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
@@ -36,6 +39,7 @@
 import com.android.launcher3.tapl.AppIconMenuItem;
 import com.android.launcher3.tapl.Widgets;
 import com.android.launcher3.tapl.Workspace;
+import com.android.launcher3.util.rule.TestStabilityRule.Stability;
 import com.android.launcher3.views.OptionsPopupView;
 import com.android.launcher3.widget.WidgetsFullSheet;
 import com.android.launcher3.widget.WidgetsRecyclerView;
@@ -100,6 +104,16 @@
         mLauncher.pressHome();
     }
 
+    // b/146432215: remove @Stability after 1/1/2020 if this test doesn't flake
+    @Test
+    @Stability(flavors = LOCAL | UNBUNDLED_POSTSUBMIT)
+    public void testOpenHomeSettingsFromWorkspace() {
+        mDevice.pressMenu();
+        mDevice.waitForIdle();
+        mLauncher.getWorkspace().getMenu().getMenuItem("Home settings").launch(
+                "com.google.android.apps.nexuslauncher");
+    }
+
     @Test
     @Ignore
     public void testPressHomeOnAllAppsContextMenu() throws Exception {
diff --git a/tests/tapl/com/android/launcher3/tapl/AppIcon.java b/tests/tapl/com/android/launcher3/tapl/AppIcon.java
index 44fc3f7..2da6344 100644
--- a/tests/tapl/com/android/launcher3/tapl/AppIcon.java
+++ b/tests/tapl/com/android/launcher3/tapl/AppIcon.java
@@ -16,9 +16,6 @@
 
 package com.android.launcher3.tapl;
 
-import android.graphics.Point;
-import android.os.SystemClock;
-import android.view.MotionEvent;
 import android.widget.TextView;
 
 import androidx.test.uiautomator.By;
@@ -41,14 +38,8 @@
      * Long-clicks the icon to open its menu.
      */
     public AppIconMenu openMenu() {
-        final Point iconCenter = mObject.getVisibleCenter();
-        final long downTime = SystemClock.uptimeMillis();
-        mLauncher.sendPointer(downTime, downTime, MotionEvent.ACTION_DOWN, iconCenter);
-        final UiObject2 deepShortcutsContainer = mLauncher.waitForLauncherObject(
-                "deep_shortcuts_container");
-        mLauncher.sendPointer(
-                downTime, SystemClock.uptimeMillis(), MotionEvent.ACTION_UP, iconCenter);
-        return new AppIconMenu(mLauncher, deepShortcutsContainer);
+        return new AppIconMenu(mLauncher, mLauncher.clickAndGet(
+                mObject, "deep_shortcuts_container"));
     }
 
     @Override
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 28c9e7a..44687ad 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -999,6 +999,16 @@
         return getSystemIntegerRes(context, "config_navBarInteractionMode");
     }
 
+    @NonNull
+    public UiObject2 clickAndGet(@NonNull final UiObject2 target, @NonNull String resName) {
+        final Point targetCenter = target.getVisibleCenter();
+        final long downTime = SystemClock.uptimeMillis();
+        sendPointer(downTime, downTime, MotionEvent.ACTION_DOWN, targetCenter);
+        final UiObject2 result = waitForLauncherObject(resName);
+        sendPointer(downTime, SystemClock.uptimeMillis(), MotionEvent.ACTION_UP, targetCenter);
+        return result;
+    }
+
     private static int getSystemIntegerRes(Context context, String resName) {
         Resources res = context.getResources();
         int resId = res.getIdentifier(resName, "integer", "android");
diff --git a/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenu.java b/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenu.java
new file mode 100644
index 0000000..14cc2a1
--- /dev/null
+++ b/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenu.java
@@ -0,0 +1,43 @@
+/*
+ * 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.tapl;
+
+import androidx.annotation.NonNull;
+import androidx.test.uiautomator.UiObject2;
+
+public class OptionsPopupMenu {
+
+    private final LauncherInstrumentation mLauncher;
+    private final UiObject2 mDeepShortcutsContainer;
+
+    OptionsPopupMenu(LauncherInstrumentation launcher,
+                UiObject2 deepShortcutsContainer) {
+        mLauncher = launcher;
+        mDeepShortcutsContainer = deepShortcutsContainer;
+    }
+
+    /**
+     * Returns a menu item with a given label. Fails if it doesn't exist.
+     */
+    @NonNull
+    public OptionsPopupMenuItem getMenuItem(@NonNull final String label) {
+        final UiObject2 obj = mLauncher
+                .getObjectsInContainer(mDeepShortcutsContainer, "bubble_text").stream()
+                .filter(menuItem -> label.equals(menuItem.getText())).findFirst().orElseThrow(() ->
+                        new IllegalStateException("Cannot find option with label: " + label));
+        return new OptionsPopupMenuItem(mLauncher, obj);
+    }
+}
diff --git a/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenuItem.java b/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenuItem.java
new file mode 100644
index 0000000..600d79d
--- /dev/null
+++ b/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenuItem.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.tapl;
+
+import androidx.annotation.NonNull;
+import androidx.test.uiautomator.By;
+import androidx.test.uiautomator.UiObject2;
+import androidx.test.uiautomator.Until;
+
+public class OptionsPopupMenuItem {
+
+    private final LauncherInstrumentation mLauncher;
+    private final UiObject2 mObject;
+
+    OptionsPopupMenuItem(@NonNull LauncherInstrumentation launcher, @NonNull UiObject2 shortcut) {
+        mLauncher = launcher;
+        mObject = shortcut;
+    }
+
+    /**
+     * Clicks the option.
+     */
+    @NonNull
+    public void launch(@NonNull String expectedPackageName) {
+        LauncherInstrumentation.log("OptionsPopupMenuItem before click "
+                + mObject.getVisibleCenter() + " in " + mObject.getVisibleBounds());
+        mObject.click();
+        mLauncher.assertTrue(
+                "App didn't start: " + By.pkg(expectedPackageName),
+                mLauncher.getDevice().wait(Until.hasObject(By.pkg(expectedPackageName)),
+                        LauncherInstrumentation.WAIT_TIME_MS));
+    }
+}
diff --git a/tests/tapl/com/android/launcher3/tapl/Workspace.java b/tests/tapl/com/android/launcher3/tapl/Workspace.java
index 3299d5d..3b3bbda 100644
--- a/tests/tapl/com/android/launcher3/tapl/Workspace.java
+++ b/tests/tapl/com/android/launcher3/tapl/Workspace.java
@@ -276,4 +276,15 @@
                 By.clazz("com.android.launcher3.widget.PendingAppWidgetHostView"), timeout);
         return widget != null ? new Widget(mLauncher, widget) : null;
     }
+
+    /**
+     * Long-clicks the workspace to open menu.
+     */
+    public OptionsPopupMenu getMenu() {
+        try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
+                "want to open menu from workspace")) {
+            return new OptionsPopupMenu(mLauncher, mLauncher.waitForLauncherObject(
+                    "deep_shortcuts_container"));
+        }
+    }
 }
\ No newline at end of file