diff --git a/AndroidManifest-common.xml b/AndroidManifest-common.xml
index d7c16e6..979096c 100644
--- a/AndroidManifest-common.xml
+++ b/AndroidManifest-common.xml
@@ -153,6 +153,15 @@
             android:readPermission="${packageName}.permission.READ_SETTINGS" />
 
         <!--
+        The content provider for exposing various launcher grid options.
+        TODO: Add proper permissions
+        -->
+        <provider
+            android:name="com.android.launcher3.graphics.GridOptionsProvider"
+            android:authorities="${packageName}.grid_control"
+            android:exported="true" />
+
+        <!--
         The settings activity. To extend point settings_fragment_name to appropriate fragment class
         -->
         <activity
diff --git a/quickstep/src/com/android/quickstep/ActivityControlHelper.java b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
index 20aabae..8293083 100644
--- a/quickstep/src/com/android/quickstep/ActivityControlHelper.java
+++ b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
@@ -154,7 +154,7 @@
 
         @Override
         public LayoutListener createLayoutListener(Launcher activity) {
-            return new LauncherLayoutListener(activity);
+            return LauncherLayoutListener.resetAndGet(activity);
         }
 
         @Override
diff --git a/quickstep/src/com/android/quickstep/views/LauncherLayoutListener.java b/quickstep/src/com/android/quickstep/views/LauncherLayoutListener.java
index 1e5ea5f..a8205cd 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherLayoutListener.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherLayoutListener.java
@@ -40,17 +40,35 @@
 public class LauncherLayoutListener extends AbstractFloatingView
         implements Insettable, LayoutListener {
 
+    public static LauncherLayoutListener resetAndGet(Launcher launcher) {
+        LauncherRecentsView lrv = launcher.getOverviewPanel();
+        LauncherLayoutListener listener = lrv.mLauncherLayoutListener;
+        if (listener.isOpen()) {
+            listener.close(false);
+        }
+        listener.setHandler(null);
+        return listener;
+    }
+
     private final Launcher mLauncher;
     private final Paint mPaint = new Paint();
     private WindowTransformSwipeHandler mHandler;
     private RectF mCurrentRect;
     private float mCornerRadius;
 
-    public LauncherLayoutListener(Launcher launcher) {
+    private boolean mWillNotDraw;
+
+    /**
+     * package private
+     */
+    LauncherLayoutListener(Launcher launcher) {
         super(launcher, null);
         mLauncher = launcher;
         mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
         setLayoutParams(new FrameLayout.LayoutParams(MATCH_PARENT, MATCH_PARENT));
+
+        mWillNotDraw = willNotDraw();
+        super.setWillNotDraw(false);
     }
 
     @Override
@@ -71,6 +89,12 @@
     }
 
     @Override
+    public void setWillNotDraw(boolean willNotDraw) {
+        // Prevent super call as that causes additional relayout.
+        mWillNotDraw = willNotDraw;
+    }
+
+    @Override
     public void setHandler(WindowTransformSwipeHandler handler) {
         mHandler = handler;
     }
@@ -127,6 +151,8 @@
 
     @Override
     protected void onDraw(Canvas canvas) {
-        canvas.drawRoundRect(mCurrentRect, mCornerRadius, mCornerRadius, mPaint);
+        if (!mWillNotDraw) {
+            canvas.drawRoundRect(mCurrentRect, mCornerRadius, mCornerRadius, mPaint);
+        }
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
index 6396d1a..7389d65 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -35,6 +35,7 @@
 import android.view.ViewDebug;
 
 import com.android.launcher3.AbstractFloatingView;
+import com.android.launcher3.BaseActivity;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
@@ -70,6 +71,7 @@
     private float mTranslationYFactor;
 
     private final TransformParams mTransformParams = new TransformParams();
+    final LauncherLayoutListener mLauncherLayoutListener;
 
     public LauncherRecentsView(Context context) {
         this(context, null);
@@ -82,6 +84,7 @@
     public LauncherRecentsView(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         setContentAlpha(0);
+        mLauncherLayoutListener = new LauncherLayoutListener(BaseActivity.fromContext(context));
     }
 
     @Override
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index 3c0ef79..45bdea8 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -139,6 +139,13 @@
                 APPLY_CONFIG_AT_RUNTIME.get() ? this::onConfigChanged : this::killProcess);
     }
 
+    public InvariantDeviceProfile(Context context, String gridName) {
+        String newName = initGrid(context, gridName);
+        if (newName == null || !newName.equals(gridName)) {
+            throw new IllegalArgumentException("Unknown grid name");
+        }
+    }
+
     /**
      * Retrieve system defined or RRO overriden icon shape.
      */
@@ -150,7 +157,7 @@
         return context.getResources().getString(CONFIG_ICON_MASK_RES_ID);
     }
 
-    private void initGrid(Context context, String gridName) {
+    private String initGrid(Context context, String gridName) {
         WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
         Display display = wm.getDefaultDisplay();
         DisplayMetrics dm = new DisplayMetrics();
@@ -218,6 +225,7 @@
         } else {
             defaultWallpaperSize = new Point(Math.max(smallSide * 2, largeSide), largeSide);
         }
+        return closestProfile.name;
     }
 
     @Nullable
@@ -441,11 +449,11 @@
     }
 
 
-    private static final class GridOption {
+    public static final class GridOption {
 
-        private final String name;
-        private final int numRows;
-        private final int numColumns;
+        public final String name;
+        public final int numRows;
+        public final int numColumns;
 
         private final int numFolderRows;
         private final int numFolderColumns;
@@ -457,7 +465,7 @@
 
         private final SparseArray<TypedValue> extraAttrs;
 
-        GridOption(Context context, AttributeSet attrs) {
+        public GridOption(Context context, AttributeSet attrs) {
             TypedArray a = context.obtainStyledAttributes(
                     attrs, R.styleable.GridDisplayOption);
             name = a.getString(R.styleable.GridDisplayOption_name);
diff --git a/src/com/android/launcher3/graphics/GridOptionsProvider.java b/src/com/android/launcher3/graphics/GridOptionsProvider.java
new file mode 100644
index 0000000..9b907ba
--- /dev/null
+++ b/src/com/android/launcher3/graphics/GridOptionsProvider.java
@@ -0,0 +1,157 @@
+package com.android.launcher3.graphics;
+
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.content.res.XmlResourceParser;
+import android.database.Cursor;
+import android.database.MatrixCursor;
+import android.graphics.Bitmap;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.ParcelFileDescriptor;
+import android.os.ParcelFileDescriptor.AutoCloseOutputStream;
+import android.text.TextUtils;
+import android.util.Log;
+import android.util.Xml;
+
+import com.android.launcher3.InvariantDeviceProfile;
+import com.android.launcher3.InvariantDeviceProfile.GridOption;
+import com.android.launcher3.R;
+import com.android.launcher3.util.LooperExecutor;
+import com.android.launcher3.util.UiThreadHelper;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.List;
+import java.util.concurrent.Future;
+
+/**
+ * Exposes various launcher grid options and allows the caller to change them.
+ * APIs:
+ *      /list_options: List the various available grip options, has following columns
+ *          name: name of the grid
+ *          rows: number of rows in the grid
+ *          cols: number of columns in the grid
+ *          preview_count: number of previews available for this grid option. The preview uri
+ *                         looks like /preview/<grid-name>/<preview index starting with 0>
+ *          is_default: true if this grid is currently active
+ *
+ *     /preview: Opens a file stream for the grid preview
+ */
+public class GridOptionsProvider extends ContentProvider {
+
+    private static final String TAG = "GridOptionsProvider";
+
+    private static final String KEY_NAME = "name";
+    private static final String KEY_ROWS = "rows";
+    private static final String KEY_COLS = "cols";
+    private static final String KEY_PREVIEW_COUNT = "preview_count";
+    private static final String KEY_IS_DEFAULT = "is_default";
+
+    private static final String KEY_PREVIEW = "preview";
+    private static final String MIME_TYPE_PNG = "image/png";
+
+    public static final PipeDataWriter<Future<Bitmap>> BITMAP_WRITER =
+            new PipeDataWriter<Future<Bitmap>>() {
+                @Override
+                public void writeDataToPipe(ParcelFileDescriptor output, Uri uri, String s,
+                        Bundle bundle, Future<Bitmap> bitmap) {
+                    try (AutoCloseOutputStream os = new AutoCloseOutputStream(output)) {
+                        bitmap.get().compress(Bitmap.CompressFormat.PNG, 100, os);
+                    } catch (Exception e) {
+                        Log.w(TAG, "fail to write to pipe", e);
+                    }
+                }
+            };
+
+    @Override
+    public boolean onCreate() {
+        return true;
+    }
+
+    @Override
+    public Cursor query(Uri uri, String[] projection, String selection,
+            String[] selectionArgs, String sortOrder) {
+        // TODO: Validate the query uri
+        MatrixCursor cursor = new MatrixCursor(new String[] {
+                KEY_NAME, KEY_ROWS, KEY_COLS, KEY_PREVIEW_COUNT, KEY_IS_DEFAULT});
+        InvariantDeviceProfile idp = InvariantDeviceProfile.INSTANCE.get(getContext());
+        try (XmlResourceParser parser = getContext().getResources().getXml(R.xml.device_profiles)) {
+            final int depth = parser.getDepth();
+            int type;
+            while (((type = parser.next()) != XmlPullParser.END_TAG ||
+                    parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) {
+                if ((type == XmlPullParser.START_TAG) && "grid-option".equals(parser.getName())) {
+                    GridOption gridOption = new GridOption(
+                            getContext(), Xml.asAttributeSet(parser));
+
+                    cursor.newRow()
+                            .add(KEY_NAME, gridOption.name)
+                            .add(KEY_ROWS, gridOption.numRows)
+                            .add(KEY_COLS, gridOption.numColumns)
+                            .add(KEY_PREVIEW_COUNT, 1)
+                            .add(KEY_IS_DEFAULT, idp.numColumns == gridOption.numColumns
+                                    && idp.numRows == gridOption.numRows);
+                }
+            }
+        } catch (IOException | XmlPullParserException e) {
+            Log.e(TAG, "Error parsing device profile", e);
+        }
+
+        return cursor;
+    }
+
+    @Override
+    public String getType(Uri uri) {
+        List<String> segments = uri.getPathSegments();
+        if (segments.size() > 0 && KEY_PREVIEW.equals(segments.get(0))) {
+            return MIME_TYPE_PNG;
+        }
+        return "vnd.android.cursor.dir/launcher_grid";
+    }
+
+    @Override
+    public Uri insert(Uri uri, ContentValues initialValues) {
+        return null;
+    }
+
+    @Override
+    public int delete(Uri uri, String selection, String[] selectionArgs) {
+        return 0;
+    }
+
+    @Override
+    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+        return 0;
+    }
+
+    @Override
+    public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException {
+        List<String> segments = uri.getPathSegments();
+        if (segments.size() < 2 || !KEY_PREVIEW.equals(segments.get(0))) {
+            throw new FileNotFoundException("Invalid preview url");
+        }
+        String profileName = segments.get(1);
+        if (TextUtils.isEmpty(profileName)) {
+            throw new FileNotFoundException("Invalid preview url");
+        }
+
+        InvariantDeviceProfile idp;
+        try {
+            idp = new InvariantDeviceProfile(getContext(), profileName);
+        } catch (Exception e) {
+            throw new FileNotFoundException(e.getMessage());
+        }
+
+        LooperExecutor executor = new LooperExecutor(UiThreadHelper.getBackgroundLooper());
+        try {
+            return openPipeHelper(uri, MIME_TYPE_PNG, null,
+                    executor.submit(new LauncherPreviewRenderer(getContext(), idp)), BITMAP_WRITER);
+        } catch (Exception e) {
+            throw new FileNotFoundException(e.getMessage());
+        }
+    }
+}
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index dc6f50f..e52fe66 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -61,6 +61,7 @@
 import com.android.launcher3.views.ActivityContext;
 import com.android.launcher3.views.BaseDragLayer;
 
+import java.util.concurrent.Callable;
 import java.util.concurrent.CountDownLatch;
 
 /**
@@ -72,7 +73,7 @@
  *   4) Measure and draw the view on a canvas
  */
 @TargetApi(Build.VERSION_CODES.O)
-public class LauncherPreviewRenderer {
+public class LauncherPreviewRenderer implements Callable<Bitmap> {
 
     private static final String TAG = "LauncherPreviewRenderer";
 
@@ -110,7 +111,8 @@
                 context.getString(R.string.label_application);
     }
 
-    public Bitmap createScreenShot() {
+    @Override
+    public Bitmap call() {
         return BitmapRenderer.createHardwareBitmap(mDp.widthPx, mDp.heightPx, c -> {
 
             if (Looper.myLooper() == Looper.getMainLooper()) {
diff --git a/tests/tapl/com/android/launcher3/tapl/AllApps.java b/tests/tapl/com/android/launcher3/tapl/AllApps.java
index 84fd908..82ea8be 100644
--- a/tests/tapl/com/android/launcher3/tapl/AllApps.java
+++ b/tests/tapl/com/android/launcher3/tapl/AllApps.java
@@ -54,7 +54,7 @@
     @NonNull
     public AppIcon getAppIcon(String appName) {
         final UiObject2 allAppsContainer = verifyActiveContainer();
-        final BySelector appIconSelector = AppIcon.getAppIconSelector(appName);
+        final BySelector appIconSelector = AppIcon.getAppIconSelector(appName, mLauncher);
         if (!allAppsContainer.hasObject(appIconSelector)) {
             scrollBackToBeginning();
             int attempts = 0;
diff --git a/tests/tapl/com/android/launcher3/tapl/AppIcon.java b/tests/tapl/com/android/launcher3/tapl/AppIcon.java
index efefc0d..7582d53 100644
--- a/tests/tapl/com/android/launcher3/tapl/AppIcon.java
+++ b/tests/tapl/com/android/launcher3/tapl/AppIcon.java
@@ -31,8 +31,8 @@
         super(launcher, icon);
     }
 
-    static BySelector getAppIconSelector(String appName) {
-        return By.clazz(TextView.class).text(appName).pkg(LauncherInstrumentation.LAUNCHER_PKG);
+    static BySelector getAppIconSelector(String appName, LauncherInstrumentation launcher) {
+        return By.clazz(TextView.class).text(appName).pkg(launcher.mLauncherPackageName);
     }
 
     /**
diff --git a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
index 4fce211..5f60113 100644
--- a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
+++ b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
@@ -16,13 +16,13 @@
 
 package com.android.launcher3.tapl;
 
-import java.util.Collections;
-import java.util.List;
-
 import androidx.annotation.NonNull;
 import androidx.test.uiautomator.Direction;
 import androidx.test.uiautomator.UiObject2;
 
+import java.util.Collections;
+import java.util.List;
+
 /**
  * Common overview pane for both Launcher and fallback recents
  */
@@ -69,7 +69,7 @@
     public OverviewTask getCurrentTask() {
         verifyActiveContainer();
         final List<UiObject2> taskViews = mLauncher.getDevice().findObjects(
-                LauncherInstrumentation.getLauncherObjectSelector("snapshot"));
+                mLauncher.getLauncherObjectSelector("snapshot"));
         LauncherInstrumentation.assertNotEquals("Unable to find a task", 0, taskViews.size());
 
         // taskViews contains up to 3 task views: the 'main' (having the widest visible
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index bd1c657..096d8a0 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -83,13 +83,13 @@
     private static final String APPS_RES_ID = "apps_view";
     private static final String OVERVIEW_RES_ID = "overview_panel";
     private static final String WIDGETS_RES_ID = "widgets_list_view";
-    static final String LAUNCHER_PKG = "com.google.android.apps.nexuslauncher";
     public static final int WAIT_TIME_MS = 60000;
     private static final String SYSTEMUI_PACKAGE = "com.android.systemui";
 
     private static WeakReference<VisibleContainer> sActiveContainer = new WeakReference<>(null);
 
     private final UiDevice mDevice;
+    final String mLauncherPackageName;
     private final boolean mSwipeUpEnabled;
     private Boolean mSwipeUpEnabledOverride = null;
     private final Instrumentation mInstrumentation;
@@ -101,6 +101,7 @@
     public LauncherInstrumentation(Instrumentation instrumentation) {
         mInstrumentation = instrumentation;
         mDevice = UiDevice.getInstance(instrumentation);
+        mLauncherPackageName = mDevice.getLauncherPackageName();
         final boolean swipeUpEnabledDefault =
                 !SwipeUpSetting.isSwipeUpSettingAvailable() ||
                         SwipeUpSetting.isSwipeUpEnabledDefaultValue();
@@ -385,8 +386,8 @@
         return object;
     }
 
-    static BySelector getLauncherObjectSelector(String resName) {
-        return By.res(LAUNCHER_PKG, resName);
+    BySelector getLauncherObjectSelector(String resName) {
+        return By.res(mLauncherPackageName, resName);
     }
 
     @NonNull
diff --git a/tests/tapl/com/android/launcher3/tapl/Workspace.java b/tests/tapl/com/android/launcher3/tapl/Workspace.java
index c45f0f0..5e6ad4d 100644
--- a/tests/tapl/com/android/launcher3/tapl/Workspace.java
+++ b/tests/tapl/com/android/launcher3/tapl/Workspace.java
@@ -69,7 +69,7 @@
     @Nullable
     public AppIcon tryGetWorkspaceAppIcon(String appName) {
         final UiObject2 workspace = verifyActiveContainer();
-        final UiObject2 icon = workspace.findObject(AppIcon.getAppIconSelector(appName));
+        final UiObject2 icon = workspace.findObject(AppIcon.getAppIconSelector(appName, mLauncher));
         return icon != null ? new AppIcon(mLauncher, icon) : null;
     }
 
@@ -85,7 +85,7 @@
         return new AppIcon(mLauncher,
                 mLauncher.getObjectInContainer(
                         verifyActiveContainer(),
-                        AppIcon.getAppIconSelector(appName)));
+                        AppIcon.getAppIconSelector(appName, mLauncher)));
     }
 
     /**
@@ -108,7 +108,7 @@
     @NonNull
     private AppIcon getHotseatAppIcon(String appName) {
         return new AppIcon(mLauncher, mLauncher.getObjectInContainer(
-                mHotseat, AppIcon.getAppIconSelector(appName)));
+                mHotseat, AppIcon.getAppIconSelector(appName, mLauncher)));
     }
 
     private void dragIconToNextScreen(AppIcon app, UiObject2 workspace) {