Fixing SecondaryDisplay Launcher

> All apps layout broken in landscpae UI
> Crash when manager profile is added
> Wrong icon size on low resolution

Change-Id: If01dacf9f62a0384ebd8b31b62500178416d3ab4

res/layout/secondary_launcher.xml

@@ -17,7 +17,8 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:id="@+id/drag_layer" >
+    android:id="@+id/drag_layer"
+    android:padding="@dimen/dynamic_grid_edge_margin">
 
     <GridView
         android:layout_width="match_parent"
@@ -119,8 +120,7 @@
             android:singleLine="true"
             android:textColor="?android:attr/textColorSecondary"
             android:textColorHint="@drawable/all_apps_search_hint"
-            android:textSize="16sp"
+            android:textSize="16sp" />
-            android:translationY="24dp" />
 
         <include layout="@layout/all_apps_fast_scroller" />
     </com.android.launcher3.allapps.AllAppsContainerView>

robolectric_tests/config/robolectric.properties

@@ -1,5 +1,6 @@
 sdk=29
 shadows= \
+    com.android.launcher3.shadows.LShadowApplicationPackageManager \
     com.android.launcher3.shadows.LShadowAppPredictionManager \
     com.android.launcher3.shadows.LShadowAppWidgetManager \
     com.android.launcher3.shadows.LShadowBackupManager \

robolectric_tests/src/com/android/launcher3/secondarydisplay/SDWorkModeTest.java

@@ -0,0 +1,133 @@
+/*
+ * 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.secondarydisplay;
+
+import static com.android.launcher3.util.LauncherModelHelper.TEST_PACKAGE;
+import static com.android.launcher3.util.LauncherUIHelper.doLayout;
+import static com.android.launcher3.util.Preconditions.assertNotNull;
+
+import static org.junit.Assert.assertNotSame;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+
+import android.content.Context;
+import android.os.UserManager;
+import android.provider.Settings;
+
+import com.android.launcher3.InvariantDeviceProfile;
+import com.android.launcher3.allapps.AllAppsPagedView;
+import com.android.launcher3.allapps.AllAppsRecyclerView;
+import com.android.launcher3.logging.UserEventDispatcher;
+import com.android.launcher3.shadows.ShadowOverrides;
+import com.android.launcher3.util.LauncherLayoutBuilder;
+import com.android.launcher3.util.LauncherModelHelper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.LooperMode;
+import org.robolectric.annotation.LooperMode.Mode;
+import org.robolectric.shadow.api.Shadow;
+import org.robolectric.shadows.ShadowUserManager;
+
+/**
+ * Tests for {@link SecondaryDisplayLauncher} with work profile
+ */
+@RunWith(RobolectricTestRunner.class)
+@LooperMode(Mode.PAUSED)
+public class SDWorkModeTest {
+
+    private static final int SYSTEM_USER = 0;
+    private static final int FLAG_SYSTEM = 0x00000800;
+    private static final int WORK_PROFILE_ID = 10;
+    private static final int FLAG_PROFILE = 0x00001000;
+
+    private Context mTargetContext;
+    private InvariantDeviceProfile mIdp;
+    private LauncherModelHelper mModelHelper;
+
+    private LauncherLayoutBuilder mLayoutBuilder;
+
+    @Before
+    public void setup() throws Exception {
+        mModelHelper = new LauncherModelHelper();
+        mTargetContext = RuntimeEnvironment.application;
+        mIdp = InvariantDeviceProfile.INSTANCE.get(mTargetContext);
+        ShadowOverrides.setProvider(UserEventDispatcher.class,
+                c -> mock(UserEventDispatcher.class));
+        Settings.Global.putFloat(mTargetContext.getContentResolver(),
+                Settings.Global.WINDOW_ANIMATION_SCALE, 0);
+
+        mModelHelper.installApp(TEST_PACKAGE);
+        mLayoutBuilder = new LauncherLayoutBuilder();
+    }
+
+    @Test
+    public void testAllAppsList_noWorkProfile() throws Exception {
+        SecondaryDisplayLauncher launcher = loadLauncher();
+        launcher.showAppDrawer(true);
+        doLayout(launcher);
+
+        verifyRecyclerViewCount(launcher.getAppsView().getActiveRecyclerView());
+    }
+
+    @Test
+    public void testAllAppsList_workProfile() throws Exception {
+        ShadowUserManager sum = Shadow.extract(mTargetContext.getSystemService(UserManager.class));
+        sum.addUser(SYSTEM_USER, "me", FLAG_SYSTEM);
+        sum.addUser(WORK_PROFILE_ID, "work", FLAG_PROFILE);
+
+        SecondaryDisplayLauncher launcher = loadLauncher();
+        launcher.showAppDrawer(true);
+        doLayout(launcher);
+
+        AllAppsRecyclerView rv1 = launcher.getAppsView().getActiveRecyclerView();
+        verifyRecyclerViewCount(rv1);
+
+        assertNotNull(launcher.getAppsView().getWorkModeSwitch());
+        assertTrue(launcher.getAppsView().getRecyclerViewContainer() instanceof AllAppsPagedView);
+
+        AllAppsPagedView pagedView =
+                (AllAppsPagedView) launcher.getAppsView().getRecyclerViewContainer();
+        pagedView.snapToPageImmediately(1);
+        doLayout(launcher);
+
+        AllAppsRecyclerView rv2 = launcher.getAppsView().getActiveRecyclerView();
+        verifyRecyclerViewCount(rv2);
+        assertNotSame(rv1, rv2);
+    }
+
+    private SecondaryDisplayLauncher loadLauncher() throws Exception {
+        // Install 100 apps
+        for (int i = 0; i < 100; i++) {
+            mModelHelper.installApp(TEST_PACKAGE + i);
+        }
+        mModelHelper.setupDefaultLayoutProvider(new LauncherLayoutBuilder()).loadModelSync();
+        SecondaryDisplayLauncher launcher =
+                Robolectric.buildActivity(SecondaryDisplayLauncher.class).setup().get();
+        doLayout(launcher);
+        return launcher;
+    }
+
+    private void verifyRecyclerViewCount(AllAppsRecyclerView rv) {
+        int childCount = rv.getChildCount();
+        assertTrue(childCount > 0);
+        assertTrue(childCount < 100);
+    }
+}

robolectric_tests/src/com/android/launcher3/shadows/LShadowApplicationPackageManager.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.shadows;
+
+import android.os.Process;
+import android.os.UserHandle;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.shadows.ShadowApplicationPackageManager;
+
+/**
+ * Shadow for {@link ShadowApplicationPackageManager} which create mock predictors
+ */
+@Implements(className = "android.app.ApplicationPackageManager")
+public class LShadowApplicationPackageManager extends ShadowApplicationPackageManager {
+
+    @Implementation
+    public CharSequence getUserBadgedLabel(CharSequence label, UserHandle user) {
+        return Process.myUserHandle().equals(user) ? label : "Work " + label;
+    }
+}

robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java

@@ -30,7 +30,6 @@ import android.content.pm.PackageInstaller;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.pm.ShortcutInfo;
-import android.os.Process;
 import android.os.UserHandle;
 import android.util.ArraySet;
 
@@ -80,14 +79,15 @@ public class LShadowLauncherApps extends ShadowLauncherApps {
     protected LauncherActivityInfo resolveActivity(Intent intent, UserHandle user) {
         ResolveInfo ri = RuntimeEnvironment.application.getPackageManager()
                 .resolveActivity(intent, 0);
-        return ri == null ? null : getLauncherActivityInfo(ri.activityInfo);
+        return ri == null ? null : getLauncherActivityInfo(ri.activityInfo, user);
     }
 
-    public LauncherActivityInfo getLauncherActivityInfo(ActivityInfo activityInfo) {
+    public LauncherActivityInfo getLauncherActivityInfo(
+            ActivityInfo activityInfo, UserHandle user) {
         return callConstructor(LauncherActivityInfo.class,
                 ClassParameter.from(Context.class, RuntimeEnvironment.application),
                 ClassParameter.from(ActivityInfo.class, activityInfo),
-                ClassParameter.from(UserHandle.class, Process.myUserHandle()));
+                ClassParameter.from(UserHandle.class, user));
     }
 
     @Implementation
@@ -104,7 +104,7 @@ public class LShadowLauncherApps extends ShadowLauncherApps {
                 .setPackage(packageName);
         return RuntimeEnvironment.application.getPackageManager().queryIntentActivities(intent, 0)
                 .stream()
-                .map(ri -> getLauncherActivityInfo(ri.activityInfo))
+                .map(ri -> getLauncherActivityInfo(ri.activityInfo, user))
                 .collect(Collectors.toList());
     }
 
@@ -130,7 +130,7 @@ public class LShadowLauncherApps extends ShadowLauncherApps {
         Intent intent = new Intent(Intent.ACTION_CREATE_SHORTCUT).setPackage(packageName);
         return RuntimeEnvironment.application.getPackageManager().queryIntentActivities(intent, 0)
                 .stream()
-                .map(ri -> getLauncherActivityInfo(ri.activityInfo))
+                .map(ri -> getLauncherActivityInfo(ri.activityInfo, user))
                 .collect(Collectors.toList());
     }
 }

src/com/android/launcher3/DeviceProfile.java

@@ -22,7 +22,6 @@ import android.content.res.Resources;
 import android.graphics.Point;
 import android.graphics.PointF;
 import android.graphics.Rect;
-import android.util.DisplayMetrics;
 import android.view.Surface;
 
 import com.android.launcher3.CellLayout.ContainerType;
@@ -34,6 +33,7 @@ import com.android.launcher3.util.DefaultDisplay;
 public class DeviceProfile {
 
     public final InvariantDeviceProfile inv;
+    private final DefaultDisplay.Info mInfo;
 
     // Device properties
     public final boolean isTablet;
@@ -133,9 +133,9 @@ public class DeviceProfile {
     public DotRenderer mDotRendererWorkSpace;
     public DotRenderer mDotRendererAllApps;
 
-    public DeviceProfile(Context context, InvariantDeviceProfile inv,
+    public DeviceProfile(Context context, InvariantDeviceProfile inv, DefaultDisplay.Info info,
-            Point minSize, Point maxSize,
+            Point minSize, Point maxSize, int width, int height, boolean isLandscape,
-            int width, int height, boolean isLandscape, boolean isMultiWindowMode) {
+            boolean isMultiWindowMode, boolean transposeLayoutWithOrientation) {
 
         this.inv = inv;
         this.isLandscape = isLandscape;
@@ -152,8 +152,8 @@ public class DeviceProfile {
             availableHeightPx = maxSize.y;
         }
 
+        mInfo = info;
         Resources res = context.getResources();
-        DisplayMetrics dm = res.getDisplayMetrics();
 
         // Constants from resources
         isTablet = res.getBoolean(R.bool.is_tablet);
@@ -163,8 +163,7 @@ public class DeviceProfile {
         boolean isTallDevice = Float.compare(aspectRatio, TALL_DEVICE_ASPECT_RATIO_THRESHOLD) >= 0;
 
         // Some more constants
-        transposeLayoutWithOrientation =
+        this.transposeLayoutWithOrientation = transposeLayoutWithOrientation;
-                res.getBoolean(R.bool.hotseat_transpose_layout_with_orientation);
 
         context = getContext(context, isVerticalBarLayout()
                 ? Configuration.ORIENTATION_LANDSCAPE
@@ -207,13 +206,14 @@ public class DeviceProfile {
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_side_padding);
         // Add a bit of space between nav bar and hotseat in vertical bar layout.
         hotseatBarSidePaddingStartPx = isVerticalBarLayout() ? workspacePageIndicatorHeight : 0;
-        hotseatBarSizePx = ResourceUtils.pxFromDp(inv.iconSize, dm) + (isVerticalBarLayout()
+        hotseatBarSizePx = ResourceUtils.pxFromDp(inv.iconSize, mInfo.metrics)
+                + (isVerticalBarLayout()
                 ? (hotseatBarSidePaddingStartPx + hotseatBarSidePaddingEndPx)
                 : (res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_extra_vertical_size)
                         + hotseatBarTopPaddingPx + hotseatBarBottomPaddingPx));
 
         // Calculate all of the remaining variables.
-        updateAvailableDimensions(dm, res);
+        updateAvailableDimensions(res);
 
         // Now that we have all of the variables calculated, we can tune certain sizes.
         if (!isVerticalBarLayout() && isPhone && isTallDevice) {
@@ -227,7 +227,7 @@ public class DeviceProfile {
             hotseatBarBottomPaddingPx += extraSpace;
 
             // Recalculate the available dimensions using the new hotseat size.
-            updateAvailableDimensions(dm, res);
+            updateAvailableDimensions(res);
         }
         updateWorkspacePadding();
 
@@ -239,12 +239,21 @@ public class DeviceProfile {
                         IconShape.DEFAULT_PATH_SIZE);
     }
 
-    public DeviceProfile copy(Context context) {
+    public Builder toBuilder(Context context) {
         Point size = new Point(availableWidthPx, availableHeightPx);
-        return new DeviceProfile(context, inv, size, size, widthPx, heightPx, isLandscape,
+        return new Builder(context, inv, mInfo)
-                isMultiWindowMode);
+                .setSizeRange(size, size)
+                .setSize(widthPx, heightPx)
+                .setMultiWindowMode(isMultiWindowMode);
     }
 
+    public DeviceProfile copy(Context context) {
+        return toBuilder(context).build();
+    }
+
+    /**
+     * TODO: Move this to the builder as part of setMultiWindowMode
+     */
     public DeviceProfile getMultiWindowProfile(Context context, Point mwSize) {
         // We take the minimum sizes of this profile and it's multi-window variant to ensure that
         // the system decor is always excluded.
@@ -253,8 +262,11 @@ public class DeviceProfile {
         // In multi-window mode, we can have widthPx = availableWidthPx
         // and heightPx = availableHeightPx because Launcher uses the InvariantDeviceProfiles'
         // widthPx and heightPx values where it's needed.
-        DeviceProfile profile = new DeviceProfile(context, inv, mwSize, mwSize, mwSize.x, mwSize.y,
+        DeviceProfile profile = toBuilder(context)
-                isLandscape, true);
+                .setSizeRange(mwSize, mwSize)
+                .setSize(mwSize.x, mwSize.y)
+                .setMultiWindowMode(true)
+                .build();
 
         // If there isn't enough vertical cell padding with the labels displayed, hide the labels.
         float workspaceCellPaddingY = profile.getCellSize().y - profile.iconSizePx
@@ -289,27 +301,30 @@ public class DeviceProfile {
         iconTextSizePx = 0;
         iconDrawablePaddingPx = 0;
         cellHeightPx = iconSizePx;
+        autoResizeAllAppsCells();
+    }
 
-        // In normal cases, All Apps cell height should equal the Workspace cell height.
+    /**
-        // Since we are removing labels from the Workspace, we need to manually compute the
+     * Re-computes the all-apps cell size to be independent of workspace
-        // All Apps cell height.
+     */
+    public void autoResizeAllAppsCells() {
         int topBottomPadding = allAppsIconDrawablePaddingPx * (isVerticalBarLayout() ? 2 : 1);
         allAppsCellHeightPx = allAppsIconSizePx + allAppsIconDrawablePaddingPx
                 + Utilities.calculateTextHeight(allAppsIconTextSizePx)
                 + topBottomPadding * 2;
     }
 
-    private void updateAvailableDimensions(DisplayMetrics dm, Resources res) {
+    private void updateAvailableDimensions(Resources res) {
-        updateIconSize(1f, res, dm);
+        updateIconSize(1f, res);
 
         // Check to see if the icons fit within the available height.  If not, then scale down.
         float usedHeight = (cellHeightPx * inv.numRows);
         int maxHeight = (availableHeightPx - getTotalWorkspacePadding().y);
         if (usedHeight > maxHeight) {
             float scale = maxHeight / usedHeight;
-            updateIconSize(scale, res, dm);
+            updateIconSize(scale, res);
         }
-        updateAvailableFolderCellDimensions(dm, res);
+        updateAvailableFolderCellDimensions(res);
     }
 
     /**
@@ -317,12 +332,13 @@ public class DeviceProfile {
      * iconTextSizePx, iconDrawablePaddingPx, cellWidth/Height, allApps* variants,
      * hotseat sizes, workspaceSpringLoadedShrinkFactor, folderIconSizePx, and folderIconOffsetYPx.
      */
-    private void updateIconSize(float scale, Resources res, DisplayMetrics dm) {
+    private void updateIconSize(float scale, Resources res) {
         // Workspace
         final boolean isVerticalLayout = isVerticalBarLayout();
         float invIconSizeDp = isVerticalLayout ? inv.landscapeIconSize : inv.iconSize;
-        iconSizePx = Math.max(1, (int) (ResourceUtils.pxFromDp(invIconSizeDp, dm) * scale));
+        iconSizePx = Math.max(1, (int) (ResourceUtils.pxFromDp(invIconSizeDp, mInfo.metrics)
-        iconTextSizePx = (int) (Utilities.pxFromSp(inv.iconTextSize, dm) * scale);
+                * scale));
+        iconTextSizePx = (int) (Utilities.pxFromSp(inv.iconTextSize, mInfo.metrics) * scale);
         iconDrawablePaddingPx = (int) (iconDrawablePaddingOriginalPx * scale);
 
         cellHeightPx = iconSizePx + iconDrawablePaddingPx
@@ -340,8 +356,8 @@ public class DeviceProfile {
 
         // All apps
         if (allAppsHasDifferentNumColumns()) {
-            allAppsIconSizePx = ResourceUtils.pxFromDp(inv.allAppsIconSize, dm);
+            allAppsIconSizePx = ResourceUtils.pxFromDp(inv.allAppsIconSize, mInfo.metrics);
-            allAppsIconTextSizePx = Utilities.pxFromSp(inv.allAppsIconTextSize, dm);
+            allAppsIconTextSizePx = Utilities.pxFromSp(inv.allAppsIconTextSize, mInfo.metrics);
             allAppsCellHeightPx = getCellSize(inv.numAllAppsColumns, inv.numAllAppsColumns).y;
             allAppsIconDrawablePaddingPx = iconDrawablePaddingOriginalPx;
         } else {
@@ -381,12 +397,12 @@ public class DeviceProfile {
         folderIconOffsetYPx = (iconSizePx - folderIconSizePx) / 2;
     }
 
-    private void updateAvailableFolderCellDimensions(DisplayMetrics dm, Resources res) {
+    private void updateAvailableFolderCellDimensions(Resources res) {
         int folderBottomPanelSize = res.getDimensionPixelSize(R.dimen.folder_label_padding_top)
                 + res.getDimensionPixelSize(R.dimen.folder_label_padding_bottom)
                 + Utilities.calculateTextHeight(res.getDimension(R.dimen.folder_label_text_size));
 
-        updateFolderCellSize(1f, dm, res);
+        updateFolderCellSize(1f, res);
 
         // Don't let the folder get too close to the edges of the screen.
         int folderMargin = edgeMarginPx * 2;
@@ -405,12 +421,12 @@ public class DeviceProfile {
 
         float scale = Math.min(scaleX, scaleY);
         if (scale < 1f) {
-            updateFolderCellSize(scale, dm, res);
+            updateFolderCellSize(scale, res);
         }
     }
 
-    private void updateFolderCellSize(float scale, DisplayMetrics dm, Resources res) {
+    private void updateFolderCellSize(float scale, Resources res) {
-        folderChildIconSizePx = (int) (ResourceUtils.pxFromDp(inv.iconSize, dm) * scale);
+        folderChildIconSizePx = (int) (ResourceUtils.pxFromDp(inv.iconSize, mInfo.metrics) * scale);
         folderChildTextSizePx =
                 (int) (res.getDimensionPixelSize(R.dimen.folder_child_text_size) * scale);
 
@@ -627,4 +643,55 @@ public class DeviceProfile {
          */
         void onDeviceProfileChanged(DeviceProfile dp);
     }
+
+    public static class Builder {
+        private Context mContext;
+        private InvariantDeviceProfile mInv;
+        private DefaultDisplay.Info mInfo;
+
+        private Point mMinSize, mMaxSize;
+        private int mWidth, mHeight;
+
+        private boolean mIsLandscape;
+        private boolean mIsMultiWindowMode = false;
+        private boolean mTransposeLayoutWithOrientation;
+
+        public Builder(Context context, InvariantDeviceProfile inv, DefaultDisplay.Info info) {
+            mContext = context;
+            mInv = inv;
+            mInfo = info;
+            mTransposeLayoutWithOrientation = context.getResources()
+                    .getBoolean(R.bool.hotseat_transpose_layout_with_orientation);
+        }
+
+        public Builder setSizeRange(Point minSize, Point maxSize) {
+            mMinSize = minSize;
+            mMaxSize = maxSize;
+            return this;
+        }
+
+        public Builder setSize(int width, int height) {
+            mWidth = width;
+            mHeight = height;
+            mIsLandscape = mWidth > mHeight;
+            return this;
+        }
+
+        public Builder setMultiWindowMode(boolean isMultiWindowMode) {
+            mIsMultiWindowMode = isMultiWindowMode;
+            return this;
+        }
+
+        public Builder setTransposeLayoutWithOrientation(boolean transposeLayoutWithOrientation) {
+            mTransposeLayoutWithOrientation = transposeLayoutWithOrientation;
+            return this;
+        }
+
+        public DeviceProfile build() {
+            return new DeviceProfile(mContext, mInv, mInfo, mMinSize, mMaxSize,
+                    mWidth, mHeight, mIsLandscape, mIsMultiWindowMode,
+                    mTransposeLayoutWithOrientation);
+        }
+    }
+
 }

src/com/android/launcher3/InvariantDeviceProfile.java

@@ -28,6 +28,7 @@ import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
@@ -159,10 +160,12 @@ public class InvariantDeviceProfile {
 
     @TargetApi(23)
     private InvariantDeviceProfile(Context context) {
-        String gridName = Utilities.getPrefs(context).getBoolean(GRID_OPTIONS_PREFERENCE_KEY, false)
+        String gridName = getCurrentGridName(context);
-                ? Utilities.getPrefs(context).getString(KEY_IDP_GRID_NAME, null)
+        String newGridName = initGrid(context, gridName);
-                : null;
+        if (!newGridName.equals(gridName)) {
-        initGrid(context, gridName);
+            Utilities.getPrefs(context).edit().putString(KEY_IDP_GRID_NAME, newGridName).apply();
+        }
+
         mConfigMonitor = new ConfigMonitor(context,
                 APPLY_CONFIG_AT_RUNTIME.get() ? this::onConfigChanged : this::killProcess);
         mOverlayMonitor = new OverlayMonitor(context);
@@ -178,17 +181,36 @@ public class InvariantDeviceProfile {
         }
     }
 
-/**
+    /**
      * This constructor should NOT have any monitors by design.
      */
     public InvariantDeviceProfile(Context context, Display display) {
-        initGrid(context, null, new Info(display));
+        // Ensure that the main device profile is initialized
+        InvariantDeviceProfile originalProfile = INSTANCE.get(context);
+        String gridName = getCurrentGridName(context);
+
+        // Get the display info based on default display and interpolate it to existing display
+        DisplayOption defaultDisplayOption = invDistWeightedInterpolate(
+                DefaultDisplay.INSTANCE.get(context).getInfo(),
+                getPredefinedDeviceProfiles(context, gridName));
+
+        Info myInfo = new Info(display);
+        DisplayOption myDisplayOption = invDistWeightedInterpolate(
+                myInfo, getPredefinedDeviceProfiles(context, gridName));
+
+        DisplayOption result = new DisplayOption(defaultDisplayOption.grid)
+                .add(myDisplayOption);
+        result.iconSize = defaultDisplayOption.iconSize;
+        result.landscapeIconSize = defaultDisplayOption.landscapeIconSize;
+        result.allAppsIconSize = Math.min(
+                defaultDisplayOption.allAppsIconSize, myDisplayOption.allAppsIconSize);
+        initGrid(context, myInfo, result);
     }
 
     public static String getCurrentGridName(Context context) {
-        return Utilities.getPrefs(context).getBoolean(GRID_OPTIONS_PREFERENCE_KEY, false)
+        SharedPreferences prefs = Utilities.getPrefs(context);
-                ? Utilities.getPrefs(context).getString(KEY_IDP_GRID_NAME, null)
+        return prefs.getBoolean(GRID_OPTIONS_PREFERENCE_KEY, false)
-                : null;
+                ? prefs.getString(KEY_IDP_GRID_NAME, null) : null;
     }
 
     /**
@@ -203,27 +225,17 @@ public class InvariantDeviceProfile {
     }
 
     private String initGrid(Context context, String gridName) {
-        return initGrid(context, gridName, DefaultDisplay.INSTANCE.get(context).getInfo());
+        DefaultDisplay.Info displayInfo = DefaultDisplay.INSTANCE.get(context).getInfo();
+        ArrayList<DisplayOption> allOptions = getPredefinedDeviceProfiles(context, gridName);
+
+        DisplayOption displayOption = invDistWeightedInterpolate(displayInfo, allOptions);
+        initGrid(context, displayInfo, displayOption);
+        return displayOption.grid.name;
     }
 
-    private String initGrid(Context context, String gridName, DefaultDisplay.Info displayInfo) {
+    private void initGrid(
-        Point smallestSize = new Point(displayInfo.smallestSize);
+            Context context, DefaultDisplay.Info displayInfo, DisplayOption displayOption) {
-        Point largestSize = new Point(displayInfo.largestSize);
+        GridOption closestProfile = displayOption.grid;
-
-        ArrayList<DisplayOption> allOptions = getPredefinedDeviceProfiles(context, gridName);
-        // This guarantees that width < height
-        float minWidthDps = Utilities.dpiFromPx(Math.min(smallestSize.x, smallestSize.y),
-                displayInfo.metrics);
-        float minHeightDps = Utilities.dpiFromPx(Math.min(largestSize.x, largestSize.y),
-                displayInfo.metrics);
-        // Sort the profiles based on the closeness to the device size
-        Collections.sort(allOptions, (a, b) ->
-                Float.compare(dist(minWidthDps, minHeightDps, a.minWidthDps, a.minHeightDps),
-                        dist(minWidthDps, minHeightDps, b.minWidthDps, b.minHeightDps)));
-        DisplayOption interpolatedDisplayOption =
-                invDistWeightedInterpolate(minWidthDps,  minHeightDps, allOptions);
-
-        GridOption closestProfile = allOptions.get(0).grid;
         numRows = closestProfile.numRows;
         numColumns = closestProfile.numColumns;
         numHotseatIcons = closestProfile.numHotseatIcons;
@@ -236,21 +248,16 @@ public class InvariantDeviceProfile {
 
         mExtraAttrs = closestProfile.extraAttrs;
 
-        if (!closestProfile.name.equals(gridName)) {
+        iconSize = displayOption.iconSize;
-            Utilities.getPrefs(context).edit()
-                    .putString(KEY_IDP_GRID_NAME, closestProfile.name).apply();
-        }
-
-        iconSize = interpolatedDisplayOption.iconSize;
         iconShapePath = getIconShapePath(context);
-        landscapeIconSize = interpolatedDisplayOption.landscapeIconSize;
+        landscapeIconSize = displayOption.landscapeIconSize;
         iconBitmapSize = ResourceUtils.pxFromDp(iconSize, displayInfo.metrics);
-        iconTextSize = interpolatedDisplayOption.iconTextSize;
+        iconTextSize = displayOption.iconTextSize;
         fillResIconDpi = getLauncherIconDensity(iconBitmapSize);
 
         if (Utilities.getPrefs(context).getBoolean(GRID_OPTIONS_PREFERENCE_KEY, false)) {
-            allAppsIconSize = interpolatedDisplayOption.allAppsIconSize;
+            allAppsIconSize = displayOption.allAppsIconSize;
-            allAppsIconTextSize = interpolatedDisplayOption.allAppsIconTextSize;
+            allAppsIconTextSize = displayOption.allAppsIconTextSize;
         } else {
             allAppsIconSize = iconSize;
             allAppsIconTextSize = iconTextSize;
@@ -266,10 +273,12 @@ public class InvariantDeviceProfile {
         int smallSide = Math.min(realSize.x, realSize.y);
         int largeSide = Math.max(realSize.x, realSize.y);
 
-        landscapeProfile = new DeviceProfile(context, this, smallestSize, largestSize,
+        DeviceProfile.Builder builder = new DeviceProfile.Builder(context, this, displayInfo)
-                largeSide, smallSide, true /* isLandscape */, false /* isMultiWindowMode */);
+                .setSizeRange(new Point(displayInfo.smallestSize),
-        portraitProfile = new DeviceProfile(context, this, smallestSize, largestSize,
+                        new Point(displayInfo.largestSize));
-                smallSide, largeSide, false /* isLandscape */, false /* isMultiWindowMode */);
+
+        landscapeProfile = builder.setSize(largeSide, smallSide).build();
+        portraitProfile = builder.setSize(smallSide, largeSide).build();
 
         // We need to ensure that there is enough extra space in the wallpaper
         // for the intended parallax effects
@@ -283,8 +292,6 @@ public class InvariantDeviceProfile {
 
         ComponentName cn = new ComponentName(context.getPackageName(), getClass().getName());
         defaultWidgetPadding = AppWidgetHostView.getDefaultPaddingForWidget(context, cn, null);
-
-        return closestProfile.name;
     }
 
     @Nullable
@@ -453,6 +460,41 @@ public class InvariantDeviceProfile {
         return (float) Math.hypot(x1 - x0, y1 - y0);
     }
 
+    @VisibleForTesting
+    static DisplayOption invDistWeightedInterpolate(
+            DefaultDisplay.Info displayInfo, ArrayList<DisplayOption> points) {
+        Point smallestSize = new Point(displayInfo.smallestSize);
+        Point largestSize = new Point(displayInfo.largestSize);
+
+        // This guarantees that width < height
+        float width = Utilities.dpiFromPx(Math.min(smallestSize.x, smallestSize.y),
+                displayInfo.metrics);
+        float height = Utilities.dpiFromPx(Math.min(largestSize.x, largestSize.y),
+                displayInfo.metrics);
+
+        // Sort the profiles based on the closeness to the device size
+        Collections.sort(points, (a, b) ->
+                Float.compare(dist(width, height, a.minWidthDps, a.minHeightDps),
+                        dist(width, height, b.minWidthDps, b.minHeightDps)));
+
+        GridOption closestOption = points.get(0).grid;
+        float weights = 0;
+
+        DisplayOption p = points.get(0);
+        if (dist(width, height, p.minWidthDps, p.minHeightDps) == 0) {
+            return p;
+        }
+
+        DisplayOption out = new DisplayOption(closestOption);
+        for (int i = 0; i < points.size() && i < KNEARESTNEIGHBOR; ++i) {
+            p = points.get(i);
+            float w = weight(width, height, p.minWidthDps, p.minHeightDps, WEIGHT_POWER);
+            weights += w;
+            out.add(new DisplayOption().add(p).multiply(w));
+        }
+        return out.multiply(1.0f / weights);
+    }
+
     @VisibleForTesting
     static DisplayOption invDistWeightedInterpolate(float width, float height,
             ArrayList<DisplayOption> points) {
@@ -573,7 +615,6 @@ public class InvariantDeviceProfile {
     private static final class DisplayOption {
         private final GridOption grid;
 
-        private final String name;
         private final float minWidthDps;
         private final float minHeightDps;
         private final boolean canBeDefault;
@@ -590,7 +631,6 @@ public class InvariantDeviceProfile {
             TypedArray a = context.obtainStyledAttributes(
                     attrs, R.styleable.ProfileDisplayOption);
 
-            name = a.getString(R.styleable.ProfileDisplayOption_name);
             minWidthDps = a.getFloat(R.styleable.ProfileDisplayOption_minWidthDps, 0);
             minHeightDps = a.getFloat(R.styleable.ProfileDisplayOption_minHeightDps, 0);
             canBeDefault = a.getBoolean(
@@ -609,8 +649,11 @@ public class InvariantDeviceProfile {
         }
 
         DisplayOption() {
-            grid = null;
+            this(null);
-            name = null;
+        }
+
+        DisplayOption(GridOption grid) {
+            this.grid = grid;
             minWidthDps = 0;
             minHeightDps = 0;
             canBeDefault = false;

src/com/android/launcher3/allapps/WorkModeSwitch.java

@@ -18,6 +18,7 @@ package com.android.launcher3.allapps;
 import static com.android.launcher3.util.PackageManagerHelper.hasShortcutsPermission;
 
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.graphics.Rect;
 import android.os.AsyncTask;
@@ -30,7 +31,6 @@ import android.view.ViewConfiguration;
 import android.widget.Switch;
 
 import com.android.launcher3.Insettable;
-import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.pm.UserCache;
@@ -79,9 +79,8 @@ public class WorkModeSwitch extends Switch implements Insettable {
 
     @Override
     public void toggle() {
-        Launcher launcher = Launcher.getLauncher(getContext());
         // don't show tip if user uses toggle
-        launcher.getSharedPrefs().edit().putInt(KEY_WORK_TIP_COUNTER, -1).apply();
+        Utilities.getPrefs(getContext()).edit().putInt(KEY_WORK_TIP_COUNTER, -1).apply();
         trySetQuietModeEnabledToAllProfilesAsync(isChecked());
     }
 
@@ -203,9 +202,8 @@ public class WorkModeSwitch extends Switch implements Insettable {
     }
 
     private boolean shouldShowWorkSwitch() {
-        Launcher launcher = Launcher.getLauncher(getContext());
+        return Utilities.ATLEAST_P && (hasShortcutsPermission(getContext())
-        return Utilities.ATLEAST_P && (hasShortcutsPermission(launcher)
+                || getContext().checkSelfPermission("android.permission.MODIFY_QUIET_MODE")
-                || launcher.checkSelfPermission("android.permission.MODIFY_QUIET_MODE")
                 == PackageManager.PERMISSION_GRANTED);
     }
 
@@ -213,12 +211,14 @@ public class WorkModeSwitch extends Switch implements Insettable {
      * Shows a work tip on the Nth work tab open
      */
     public void showTipifNeeded() {
-        Launcher launcher = Launcher.getLauncher(getContext());
+        Context context = getContext();
-        int tipCounter = launcher.getSharedPrefs().getInt(KEY_WORK_TIP_COUNTER, WORK_TIP_THRESHOLD);
+        SharedPreferences prefs = Utilities.getPrefs(context);
+        int tipCounter = prefs.getInt(KEY_WORK_TIP_COUNTER, WORK_TIP_THRESHOLD);
         if (tipCounter < 0) return;
         if (tipCounter == 0) {
-            new ArrowTipView(launcher).show(launcher.getString(R.string.work_switch_tip), getTop());
+            new ArrowTipView(context)
+                    .show(context.getString(R.string.work_switch_tip), getTop());
         }
-        launcher.getSharedPrefs().edit().putInt(KEY_WORK_TIP_COUNTER, tipCounter - 1).apply();
+        prefs.edit().putInt(KEY_WORK_TIP_COUNTER, tipCounter - 1).apply();
     }
 }

src/com/android/launcher3/secondarydisplay/SecondaryDisplayLauncher.java

@@ -89,17 +89,16 @@ public class SecondaryDisplayLauncher extends BaseDraggingActivity
         if (mDragLayer != null) {
             return;
         }
-        InvariantDeviceProfile mainIdp = LauncherAppState.getIDP(this);
         InvariantDeviceProfile currentDisplayIdp =
                 new InvariantDeviceProfile(this, getWindow().getDecorView().getDisplay());
 
-        // Pick the device profile with the smaller icon size so that the cached icons are
+        // Disable transpose layout and use multi-window mode so that the icons are scaled properly
-        // shown properly
+        mDeviceProfile = currentDisplayIdp.getDeviceProfile(this)
-        if (mainIdp.iconBitmapSize <= currentDisplayIdp.iconBitmapSize) {
+                .toBuilder(this)
-            mDeviceProfile = mainIdp.getDeviceProfile(this).copy(this);
+                .setMultiWindowMode(true)
-        } else {
+                .setTransposeLayoutWithOrientation(false)
-            mDeviceProfile = currentDisplayIdp.getDeviceProfile(this);
+                .build();
-        }
+        mDeviceProfile.autoResizeAllAppsCells();
 
         setContentView(R.layout.secondary_launcher);
         mDragLayer = findViewById(R.id.drag_layer);

src/com/android/launcher3/secondarydisplay/SecondaryDragLayer.java

@@ -117,10 +117,12 @@ public class SecondaryDragLayer extends BaseDragLayer<SecondaryDisplayLauncher>
             if (child == mAppsView) {
                 int padding = 2 * (grid.desiredWorkspaceLeftRightMarginPx
                         + grid.cellLayoutPaddingLeftRightPx);
-                int maxWidth = grid.allAppsCellWidthPx * idp.numAllAppsColumns + padding;
 
+                int maxWidth = grid.allAppsCellWidthPx * idp.numAllAppsColumns + padding;
                 int appsWidth = Math.min(width, maxWidth);
-                int appsHeight = Math.round(appsWidth * (float) height / (float) width);
+
+                int maxHeight = grid.allAppsCellHeightPx * idp.numAllAppsColumns + padding;
+                int appsHeight = Math.min(height, maxHeight);
 
                 mAppsView.measure(
                         makeMeasureSpec(appsWidth, EXACTLY), makeMeasureSpec(appsHeight, EXACTLY));

src/com/android/launcher3/views/ArrowTipView.java

@@ -32,7 +32,7 @@ import android.widget.TextView;
 import androidx.core.content.ContextCompat;
 
 import com.android.launcher3.AbstractFloatingView;
-import com.android.launcher3.Launcher;
+import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.R;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.dragndrop.DragLayer;
@@ -48,13 +48,13 @@ public class ArrowTipView extends AbstractFloatingView {
     private static final long SHOW_DURATION_MS = 300;
     private static final long HIDE_DURATION_MS = 100;
 
-    protected final Launcher mLauncher;
+    protected final BaseDraggingActivity mActivity;
     private final Handler mHandler = new Handler();
     private Runnable mOnClosed;
 
     public ArrowTipView(Context context) {
         super(context, null, 0);
-        mLauncher = Launcher.getLauncher(context);
+        mActivity = BaseDraggingActivity.fromContext(context);
         init(context);
     }
 
@@ -75,11 +75,11 @@ public class ArrowTipView extends AbstractFloatingView {
                         .setStartDelay(0)
                         .setDuration(HIDE_DURATION_MS)
                         .setInterpolator(Interpolators.ACCEL)
-                        .withEndAction(() -> mLauncher.getDragLayer().removeView(this))
+                        .withEndAction(() -> mActivity.getDragLayer().removeView(this))
                         .start();
             } else {
                 animate().cancel();
-                mLauncher.getDragLayer().removeView(this);
+                mActivity.getDragLayer().removeView(this);
             }
             if (mOnClosed != null) mOnClosed.run();
             mIsOpen = false;
@@ -126,12 +126,12 @@ public class ArrowTipView extends AbstractFloatingView {
      */
     public ArrowTipView show(String text, int top) {
         ((TextView) findViewById(R.id.text)).setText(text);
-        mLauncher.getDragLayer().addView(this);
+        mActivity.getDragLayer().addView(this);
 
         DragLayer.LayoutParams params = (DragLayer.LayoutParams) getLayoutParams();
         params.gravity = Gravity.CENTER_HORIZONTAL;
-        params.leftMargin = mLauncher.getDeviceProfile().workspacePadding.left;
+        params.leftMargin = mActivity.getDeviceProfile().workspacePadding.left;
-        params.rightMargin = mLauncher.getDeviceProfile().workspacePadding.right;
+        params.rightMargin = mActivity.getDeviceProfile().workspacePadding.right;
         post(() -> setY(top - getHeight()));
         setAlpha(0);
         animate()