Clean up PreviewFragment and its child classes (Part 1)

- Delete v1 layout file
- Remove USE_NEW_UI and related code
- Delete unused code

More to come
Bug: 157620059
Test: Manual

Change-Id: Iffe14f2bddf7a4a0e351ffbe0df9714cda85fa93
diff --git a/res/layout/fragment_image_preview.xml b/res/layout/fragment_image_preview.xml
deleted file mode 100755
index a7273fb..0000000
--- a/res/layout/fragment_image_preview.xml
+++ /dev/null
@@ -1,85 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     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.
--->
-
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-             xmlns:app="http://schemas.android.com/apk/res-auto"
-             android:layout_width="match_parent"
-             android:layout_height="match_parent"
-             android:fitsSystemWindows="false">
-
-  <ImageView
-    android:id="@+id/low_res_image"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:scaleType="centerCrop"
-    android:background="@android:color/black"/>
-
-  <com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
-      android:id="@+id/full_res_image"
-      android:layout_width="match_parent"
-      android:layout_height="match_parent" />
-
-  <androidx.core.widget.ContentLoadingProgressBar
-      android:id="@+id/loading_indicator"
-      style="@android:style/Widget.DeviceDefault.ProgressBar"
-      android:layout_width="wrap_content"
-      android:layout_height="wrap_content"
-      android:layout_gravity="center"
-      android:indeterminate="true"/>
-
-  <FrameLayout
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:fitsSystemWindows="true">
-
-      <androidx.coordinatorlayout.widget.CoordinatorLayout
-          android:id="@+id/coordinator_layout"
-          android:layout_width="match_parent"
-          android:layout_height="wrap_content"
-          android:layout_gravity="bottom">
-
-        <FrameLayout
-            android:id="@+id/bottom_sheet"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:background="@drawable/preview_bottom_sheet_background"
-            android:theme="@style/WallpaperPicker.BottomPaneStyle"
-            app:behavior_peekHeight="@dimen/preview_attribution_pane_collapsed_height"
-            app:layout_behavior="com.google.android.material.bottomsheet.BottomSheetBehavior">
-          <include
-              layout="@layout/preview_page_info"
-              android:layout_width="match_parent"
-              android:layout_height="wrap_content"/>
-        </FrameLayout>
-
-    </androidx.coordinatorlayout.widget.CoordinatorLayout>
-
-    <View
-        android:layout_width="match_parent"
-        android:layout_height="@dimen/preview_gradient_background_height"
-        android:layout_gravity="top"
-        android:background="@drawable/gradient_background"/>
-    <androidx.appcompat.widget.Toolbar
-        android:id="@+id/toolbar"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_gravity="top"
-        style="@style/TranslucentToolbarStyle"/>
-
-  </FrameLayout>
-
-</FrameLayout>
diff --git a/res/layout/fragment_live_preview.xml b/res/layout/fragment_live_preview.xml
deleted file mode 100755
index 0185272..0000000
--- a/res/layout/fragment_live_preview.xml
+++ /dev/null
@@ -1,93 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     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.
--->
-
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-             xmlns:app="http://schemas.android.com/apk/res-auto"
-             android:layout_width="match_parent"
-             android:layout_height="match_parent">
-
-      <FrameLayout
-          android:id="@+id/loading"
-          android:layout_width="match_parent"
-          android:layout_height="match_parent"
-          android:background="@android:color/black"
-          android:forceHasOverlappingRendering="false">
-
-          <androidx.core.widget.ContentLoadingProgressBar
-              android:id="@+id/loading_indicator"
-              style="@android:style/Widget.DeviceDefault.ProgressBar"
-              android:layout_width="wrap_content"
-              android:layout_height="wrap_content"
-              android:layout_gravity="center"
-              android:indeterminate="true"/>
-
-    </FrameLayout>
-
-    <FrameLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:fitsSystemWindows="true">
-
-        <androidx.coordinatorlayout.widget.CoordinatorLayout
-            android:id="@+id/coordinator_layout"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_gravity="bottom">
-
-            <LinearLayout
-                android:id="@+id/bottom_sheet"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="vertical"
-                android:background="@drawable/preview_bottom_sheet_background"
-                android:theme="@style/WallpaperPicker.BottomPaneStyle"
-                app:behavior_peekHeight="@dimen/preview_attribution_pane_collapsed_height"
-                app:layout_behavior="com.google.android.material.bottomsheet.BottomSheetBehavior">
-
-                <com.google.android.material.tabs.TabLayout
-                    android:id="@+id/tablayout"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    app:tabTextAppearance="@style/WallpaperPicker.Preview.TextAppearance.NoAllCaps"
-                    app:tabIndicatorColor="?android:attr/textColorPrimary"
-                    android:visibility="gone"/>
-
-                <com.android.wallpaper.widget.ConstraintViewPager
-                    android:id="@+id/viewpager"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content" />
-
-            </LinearLayout>
-
-        </androidx.coordinatorlayout.widget.CoordinatorLayout>
-
-        <View
-            android:layout_width="match_parent"
-            android:layout_height="@dimen/preview_gradient_background_height"
-            android:layout_gravity="top"
-            android:background="@drawable/gradient_background"/>
-
-        <androidx.appcompat.widget.Toolbar
-            android:id="@+id/toolbar"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_gravity="top"
-            style="@style/TranslucentToolbarStyle"/>
-
-    </FrameLayout>
-
-</FrameLayout>
diff --git a/src/com/android/wallpaper/picker/ImagePreviewFragment.java b/src/com/android/wallpaper/picker/ImagePreviewFragment.java
index 9c2e244..ce7c430 100755
--- a/src/com/android/wallpaper/picker/ImagePreviewFragment.java
+++ b/src/com/android/wallpaper/picker/ImagePreviewFragment.java
@@ -105,7 +105,7 @@
 
     @Override
     protected int getLayoutResId() {
-        return USE_NEW_UI ? R.layout.fragment_image_preview_v2 : R.layout.fragment_image_preview;
+        return R.layout.fragment_image_preview_v2;
     }
 
 
@@ -127,49 +127,44 @@
         mScreenSize = ScreenSizeCalculator.getInstance().getScreenSize(
                 activity.getWindowManager().getDefaultDisplay());
 
-        if (USE_NEW_UI) {
-            // TODO: Consider moving some part of this to the base class when live preview is ready.
-            view.findViewById(R.id.low_res_image).setVisibility(View.GONE);
-            view.findViewById(R.id.full_res_image).setVisibility(View.GONE);
-            mLoadingProgressBar.hide();
-            mContainer = view.findViewById(R.id.container);
-            mTouchForwardingLayout = mContainer.findViewById(R.id.touch_forwarding_layout);
+        // TODO: Consider moving some part of this to the base class when live preview is ready.
+        view.findViewById(R.id.low_res_image).setVisibility(View.GONE);
+        view.findViewById(R.id.full_res_image).setVisibility(View.GONE);
+        mLoadingProgressBar.hide();
+        mContainer = view.findViewById(R.id.container);
+        mTouchForwardingLayout = mContainer.findViewById(R.id.touch_forwarding_layout);
 
-            // Set aspect ratio on the preview card dynamically.
-            ConstraintSet set = new ConstraintSet();
-            set.clone(mContainer);
-            String ratio = String.format("%d:%d", mScreenSize.x, mScreenSize.y);
-            set.setDimensionRatio(mTouchForwardingLayout.getId(), ratio);
-            set.applyTo(mContainer);
+        // Set aspect ratio on the preview card dynamically.
+        ConstraintSet set = new ConstraintSet();
+        set.clone(mContainer);
+        String ratio = String.format("%d:%d", mScreenSize.x, mScreenSize.y);
+        set.setDimensionRatio(mTouchForwardingLayout.getId(), ratio);
+        set.applyTo(mContainer);
 
-            mWorkspaceSurface = mContainer.findViewById(R.id.workspace_surface);
-            mWorkspaceSurfaceCallback = new WorkspaceSurfaceHolderCallback(mWorkspaceSurface,
-                    getContext());
-            mWallpaperSurface = mContainer.findViewById(R.id.wallpaper_surface);
-            mLockOverlay = mContainer.findViewById(R.id.lock_overlay);
-            mLockScreenOverlayUpdater = new LockScreenOverlayUpdater(
-                    getContext(), mLockOverlay, getLifecycle());
-            mLockScreenOverlayUpdater.adjustOverlayLayout(true);
+        mWorkspaceSurface = mContainer.findViewById(R.id.workspace_surface);
+        mWorkspaceSurfaceCallback = new WorkspaceSurfaceHolderCallback(mWorkspaceSurface,
+                getContext());
+        mWallpaperSurface = mContainer.findViewById(R.id.wallpaper_surface);
+        mLockOverlay = mContainer.findViewById(R.id.lock_overlay);
+        mLockScreenOverlayUpdater = new LockScreenOverlayUpdater(
+                getContext(), mLockOverlay, getLifecycle());
+        mLockScreenOverlayUpdater.adjustOverlayLayout(true);
 
-            mTabs = view.findViewById(R.id.tabs_container);
-            View lock = mTabs.findViewById(R.id.lock);
-            View home = mTabs.findViewById(R.id.home);
-            lock.setOnClickListener(v -> showLockscreenPreview());
-            home.setOnClickListener(v -> showHomescreenPreview());
+        mTabs = view.findViewById(R.id.tabs_container);
+        View lock = mTabs.findViewById(R.id.lock);
+        View home = mTabs.findViewById(R.id.home);
+        lock.setOnClickListener(v -> showLockscreenPreview());
+        home.setOnClickListener(v -> showHomescreenPreview());
 
-            onBottomActionBarReady(mBottomActionBar);
-            view.measure(makeMeasureSpec(mScreenSize.x, EXACTLY),
-                    makeMeasureSpec(mScreenSize.y, EXACTLY));
+        onBottomActionBarReady(mBottomActionBar);
+        view.measure(makeMeasureSpec(mScreenSize.x, EXACTLY),
+                makeMeasureSpec(mScreenSize.y, EXACTLY));
 
-            ((CardView) mWorkspaceSurface.getParent())
-                    .setRadius(SizeCalculator.getPreviewCornerRadius(
-                            activity, mContainer.getMeasuredWidth()));
-            renderImageWallpaper();
-            renderWorkspaceSurface();
-        } else {
-            mFullResImageView = view.findViewById(R.id.full_res_image);
-            mLowResImageView = view.findViewById(R.id.low_res_image);
-        }
+        ((CardView) mWorkspaceSurface.getParent())
+                .setRadius(SizeCalculator.getPreviewCornerRadius(
+                        activity, mContainer.getMeasuredWidth()));
+        renderImageWallpaper();
+        renderWorkspaceSurface();
 
         mInfoPageController = new InfoPageController(view.findViewById(R.id.page_info),
                 mPreviewMode);
@@ -183,16 +178,10 @@
         // Load a low-res placeholder image if there's a thumbnail available from the asset that can
         // be shown to the user more quickly than the full-sized image.
         if (mWallpaperAsset.hasLowResDataSource()) {
-            if (!USE_NEW_UI) {
-                mWallpaperAsset.loadLowResDrawable(activity, mLowResImageView, Color.BLACK,
-                        new WallpaperPreviewBitmapTransformation(
-                                activity.getApplicationContext(), isRtl()));
-            } else {
-                mHandler.post(() ->
-                        mWallpaperAsset.loadLowResDrawable(activity, mLowResImageView, Color.BLACK,
-                                new WallpaperPreviewBitmapTransformation(
-                                        activity.getApplicationContext(), isRtl())));
-            }
+            mHandler.post(() ->
+                    mWallpaperAsset.loadLowResDrawable(activity, mLowResImageView, Color.BLACK,
+                            new WallpaperPreviewBitmapTransformation(
+                                    activity.getApplicationContext(), isRtl())));
         }
 
         mWallpaperAsset.decodeRawDimensions(getActivity(), dimensions -> {
@@ -209,11 +198,7 @@
 
             mRawWallpaperSize = dimensions;
 
-            if (USE_NEW_UI) {
-                setUpExploreIntentAndLabel(ImagePreviewFragment.this::initFullResView);
-            } else {
-                setUpExploreIntent(ImagePreviewFragment.this::initFullResView);
-            }
+            setUpExploreIntentAndLabel(ImagePreviewFragment.this::initFullResView);
         });
 
         setUpLoadingIndicator();
@@ -224,19 +209,13 @@
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
-        if (USE_NEW_UI) {
-            WallpaperColorsLoader.getWallpaperColors(
-                    getContext(),
-                    mWallpaperAsset,
-                    mWallpaperSurface.getMeasuredWidth(),
-                    mWallpaperSurface.getMeasuredHeight(),
-                    mLockScreenOverlayUpdater::setColor);
-        }
-    }
 
-    @Override
-    protected void setUpBottomSheetView(ViewGroup bottomSheet) {
-        // Nothing needed here.
+        WallpaperColorsLoader.getWallpaperColors(
+                getContext(),
+                mWallpaperAsset,
+                mWallpaperSurface.getMeasuredWidth(),
+                mWallpaperSurface.getMeasuredHeight(),
+                mLockScreenOverlayUpdater::setColor);
     }
 
     @Override
@@ -259,9 +238,8 @@
             mLoadingProgressBar.hide();
         }
         mFullResImageView.recycle();
-        if (USE_NEW_UI) {
-            mWorkspaceSurfaceCallback.cleanUp();
-        }
+
+        mWorkspaceSurfaceCallback.cleanUp();
     }
 
     @Override
@@ -274,27 +252,25 @@
 
     @Override
     protected void onBottomActionBarReady(BottomActionBar bottomActionBar) {
-        if (USE_NEW_UI) {
-            super.onBottomActionBarReady(bottomActionBar);
+        super.onBottomActionBarReady(bottomActionBar);
 
-            mWallpaperInfoView = (WallpaperInfoView)
-                    LayoutInflater.from(getContext()).inflate(
-                            R.layout.wallpaper_info_view, /* root= */null);
-            mBottomActionBar.attachViewToBottomSheetAndBindAction(mWallpaperInfoView, INFORMATION);
-            mBottomActionBar.showActionsOnly(INFORMATION, EDIT, APPLY);
-            mBottomActionBar.bindBackButtonToSystemBackKey(getActivity());
-            mBottomActionBar.setActionClickListener(EDIT, v ->
+        mWallpaperInfoView = (WallpaperInfoView)
+                LayoutInflater.from(getContext()).inflate(
+                        R.layout.wallpaper_info_view, /* root= */null);
+        mBottomActionBar.attachViewToBottomSheetAndBindAction(mWallpaperInfoView, INFORMATION);
+        mBottomActionBar.showActionsOnly(INFORMATION, EDIT, APPLY);
+        mBottomActionBar.bindBackButtonToSystemBackKey(getActivity());
+        mBottomActionBar.setActionClickListener(EDIT, v ->
                 setEditingEnabled(mBottomActionBar.isActionSelected(EDIT))
-            );
-            mBottomActionBar.setActionSelectedListener(EDIT,
-                    selected -> {
-                        if (!selected) {
-                            setEditingEnabled(false);
-                        }
-                    });
-            mBottomActionBar.setActionClickListener(APPLY, v -> onSetWallpaperClicked(v));
-            mBottomActionBar.show();
-        }
+        );
+        mBottomActionBar.setActionSelectedListener(EDIT,
+                selected -> {
+                    if (!selected) {
+                        setEditingEnabled(false);
+                    }
+                });
+        mBottomActionBar.setActionClickListener(APPLY, v -> onSetWallpaperClicked(v));
+        mBottomActionBar.show();
     }
 
     @Override
@@ -312,14 +288,13 @@
      * initializing a zoom-scroll observer and click listener.
      */
     private void initFullResView() {
-        setEditingEnabled(!USE_NEW_UI);
+        setEditingEnabled(false);
         mFullResImageView.setMinimumScaleType(SubsamplingScaleImageView.SCALE_TYPE_CENTER_CROP);
 
         // Set a solid black "page bitmap" so MosaicView draws a black background while waiting
         // for the image to load or a transparent one if a thumbnail already loaded.
         Bitmap backgroundBitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);
-        int preColor = USE_NEW_UI ? ContextCompat.getColor(getContext(),
-                R.color.fullscreen_preview_background) : Color.BLACK;
+        int preColor = ContextCompat.getColor(getContext(), R.color.fullscreen_preview_background);
         int color = (mLowResImageView.getDrawable() == null) ? preColor : Color.TRANSPARENT;
         backgroundBitmap.setPixel(0, 0, color);
         mFullResImageView.setImage(ImageSource.bitmap(backgroundBitmap));
@@ -354,13 +329,9 @@
                     }
                     getActivity().invalidateOptionsMenu();
 
-                    if (USE_NEW_UI) {
-                        if (mWallpaperInfoView != null && mWallpaper != null) {
-                            mWallpaperInfoView.populateWallpaperInfo(mWallpaper, mActionLabel,
-                                    mExploreIntent, this::onExploreClicked);
-                        }
-                    } else {
-                        populateInfoPage(mInfoPageController);
+                    if (mWallpaperInfoView != null && mWallpaper != null) {
+                        mWallpaperInfoView.populateWallpaperInfo(mWallpaper, mActionLabel,
+                                mExploreIntent, this::onExploreClicked);
                     }
                 });
     }
@@ -411,37 +382,23 @@
      * and rendered to the layout.
      */
     private void setDefaultWallpaperZoomAndScroll() {
-        final float defaultWallpaperZoom;
-        final float minWallpaperZoom;
-        final PointF centerPosition;
+        // Determine minimum zoom to fit maximum visible area of wallpaper on crop surface.
+        int cropWidth = mWorkspaceSurface.getMeasuredWidth();
+        int cropHeight = mWorkspaceSurface.getMeasuredHeight();
+        Point crop = new Point(cropWidth, cropHeight);
+        Rect visibleRawWallpaperRect =
+                WallpaperCropUtils.calculateVisibleRect(mRawWallpaperSize, crop);
+        WallpaperCropUtils.adjustCurrentWallpaperCropRect(getContext(), mRawWallpaperSize,
+                visibleRawWallpaperRect);
+        Point visibleRawWallpaperSize = new Point(visibleRawWallpaperRect.width(),
+                visibleRawWallpaperRect.height());
 
-        if (USE_NEW_UI) {
-            // Determine minimum zoom to fit maximum visible area of wallpaper on crop surface.
-            int cropWidth = mWorkspaceSurface.getMeasuredWidth();
-            int cropHeight = mWorkspaceSurface.getMeasuredHeight();
-            Point crop = new Point(cropWidth, cropHeight);
-            Rect visibleRawWallpaperRect =
-                    WallpaperCropUtils.calculateVisibleRect(mRawWallpaperSize, crop);
-            WallpaperCropUtils.adjustCurrentWallpaperCropRect(getContext(), mRawWallpaperSize,
-                    visibleRawWallpaperRect);
-            Point visibleRawWallpaperSize = new Point(visibleRawWallpaperRect.width(),
-                    visibleRawWallpaperRect.height());
+        final float defaultWallpaperZoom = WallpaperCropUtils.calculateMinZoom(
+                visibleRawWallpaperSize, crop);
+        final float minWallpaperZoom = defaultWallpaperZoom;
 
-            defaultWallpaperZoom = WallpaperCropUtils.calculateMinZoom(
-                    visibleRawWallpaperSize, crop);
-            minWallpaperZoom = defaultWallpaperZoom;
-
-            centerPosition = new PointF(visibleRawWallpaperRect.centerX(),
-                    visibleRawWallpaperRect.centerY());
-        } else {
-            // Determine minimum zoom to fit maximum visible area of wallpaper on crop surface.
-            defaultWallpaperZoom = WallpaperCropUtils.calculateMinZoom(
-                    mRawWallpaperSize, mDefaultCropSurfaceSize);
-            minWallpaperZoom =
-                    WallpaperCropUtils.calculateMinZoom(mRawWallpaperSize, mScreenSize);
-
-            centerPosition = new PointF(mRawWallpaperSize.x / 2f, mRawWallpaperSize.y / 2f);
-        }
+        final PointF centerPosition = new PointF(visibleRawWallpaperRect.centerX(),
+                visibleRawWallpaperRect.centerY());
 
         // Set min wallpaper zoom and max zoom on MosaicView widget.
         mFullResImageView.setMaxScale(Math.max(DEFAULT_WALLPAPER_MAX_ZOOM, defaultWallpaperZoom));
@@ -459,17 +416,13 @@
         Rect visibleFileRect = new Rect();
         mFullResImageView.visibleFileRect(visibleFileRect);
 
-        if (USE_NEW_UI) {
-            int cropWidth = mWorkspaceSurface.getMeasuredWidth();
-            int cropHeight = mWorkspaceSurface.getMeasuredHeight();
-            Point hostViewSize = new Point(cropWidth, cropHeight);
-            Rect cropRect = WallpaperCropUtils.calculateCropRect(context, hostViewSize,
-                    hostViewSize, mRawWallpaperSize, visibleFileRect, wallpaperZoom);
-            WallpaperCropUtils.adjustCropRect(context, cropRect, false /* zoomIn */);
-            return cropRect;
-        }
-        return WallpaperCropUtils.calculateCropRect(context, defaultDisplay, mRawWallpaperSize,
-                visibleFileRect, wallpaperZoom);
+        int cropWidth = mWorkspaceSurface.getMeasuredWidth();
+        int cropHeight = mWorkspaceSurface.getMeasuredHeight();
+        Point hostViewSize = new Point(cropWidth, cropHeight);
+        Rect cropRect = WallpaperCropUtils.calculateCropRect(context, hostViewSize,
+                hostViewSize, mRawWallpaperSize, visibleFileRect, wallpaperZoom);
+        WallpaperCropUtils.adjustCropRect(context, cropRect, false /* zoomIn */);
+        return cropRect;
     }
 
     @Override
@@ -537,19 +490,15 @@
     };
 
     private void setEditingEnabled(boolean enabled) {
-        if (USE_NEW_UI) {
-            mTouchForwardingLayout.setForwardingEnabled(enabled);
-        }
+        mTouchForwardingLayout.setForwardingEnabled(enabled);
     }
 
     private void showHomescreenPreview() {
-        // TODO (b/156129610): Update the behavior here.
         mWorkspaceSurface.setVisibility(View.VISIBLE);
         mLockOverlay.setVisibility(View.GONE);
     }
 
     private void showLockscreenPreview() {
-        // TODO (b/156129610): Update the behavior here.
         mWorkspaceSurface.setVisibility(View.GONE);
         mLockOverlay.setVisibility(View.VISIBLE);
     }
diff --git a/src/com/android/wallpaper/picker/LivePreviewFragment.java b/src/com/android/wallpaper/picker/LivePreviewFragment.java
index d4268da..0f5309c 100644
--- a/src/com/android/wallpaper/picker/LivePreviewFragment.java
+++ b/src/com/android/wallpaper/picker/LivePreviewFragment.java
@@ -48,9 +48,6 @@
 import android.util.Pair;
 import android.view.ContextThemeWrapper;
 import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.SurfaceView;
 import android.view.View;
@@ -59,14 +56,12 @@
 import android.widget.ImageView;
 import android.widget.TextView;
 
-import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.cardview.widget.CardView;
 import androidx.lifecycle.LiveData;
 import androidx.slice.Slice;
 import androidx.slice.widget.SliceLiveData;
 import androidx.slice.widget.SliceView;
-import androidx.viewpager.widget.PagerAdapter;
 import androidx.viewpager.widget.ViewPager;
 
 import com.android.wallpaper.R;
@@ -139,11 +134,7 @@
         super.onCreate(savedInstanceState);
         android.app.WallpaperInfo info = mWallpaper.getWallpaperComponent();
         mWallpaperIntent = getWallpaperIntent(info);
-        if (USE_NEW_UI) {
-            setUpExploreIntentAndLabel(null);
-        } else {
-            setUpExploreIntent(null);
-        }
+        setUpExploreIntentAndLabel(null);
 
         String deleteAction = getDeleteAction(info);
         if (!TextUtils.isEmpty(deleteAction)) {
@@ -193,48 +184,39 @@
 
         mScreenSize = ScreenSizeCalculator.getInstance().getScreenSize(
                 activity.getWindowManager().getDefaultDisplay());
-        if (USE_NEW_UI) {
-            mViewGroup = view.findViewById(R.id.live_wallpaper_preview);
-            mHomePreviewCard = mViewGroup.findViewById(R.id.wallpaper_full_preview_card);
-            mTouchForwardingLayout = view.findViewById(R.id.touch_forwarding_layout);
-            mHomePreview = mHomePreviewCard.findViewById(R.id.wallpaper_preview_image);
-            mTouchForwardingLayout.setTargetView(mHomePreview);
-            mTouchForwardingLayout.setForwardingEnabled(true);
-            mLockScreenOverlay = mViewGroup.findViewById(R.id.lock_overlay);
-            mLockScreenOverlayUpdater =
-                    new LockScreenOverlayUpdater(getContext(), mLockScreenOverlay, getLifecycle());
-            mLockScreenOverlayUpdater.adjustOverlayLayout(/* isFullScreen= */ true);
-            mTab = view.findViewById(R.id.tabs_container);
-            mHomeTextView = mTab.findViewById(R.id.home);
-            mHomeTextView.setTextColor(
-                    getResources().getColorStateList(R.color.bottom_action_button_color_tint,
-                            getContext().getTheme()));
-            mLockTextView = mTab.findViewById(R.id.lock);
-            mLockTextView.setTextColor(
-                    getResources().getColorStateList(R.color.bottom_action_button_color_tint,
-                            getContext().getTheme()));
-            mWorkspaceSurface = mHomePreviewCard.findViewById(R.id.workspace_surface);
-            mWorkspaceSurfaceCallback = new WorkspaceSurfaceHolderCallback(
-                    mWorkspaceSurface, getContext());
-            updateScreenTab(/* isHomeSelected= */ true);
-            view.addOnLayoutChangeListener((thisView, left, top, right, bottom,
-                    oldLeft, oldTop, oldRight, oldBottom) ->
-                    setupPreview()
-            );
-            setupCurrentWallpaperPreview(view);
-            previewLiveWallpaper(container, mHomePreview);
-            setupPreview();
-            renderWorkspaceSurface();
-            onBottomActionBarReady(mBottomActionBar);
-        } else {
-            mWallpaperConnection = new WallpaperConnection(mWallpaperIntent, activity,
-                    this, null);
-            container.post(() -> {
-                if (!mWallpaperConnection.connect()) {
-                    mWallpaperConnection = null;
-                }
-            });
-        }
+
+        mViewGroup = view.findViewById(R.id.live_wallpaper_preview);
+        mHomePreviewCard = mViewGroup.findViewById(R.id.wallpaper_full_preview_card);
+        mTouchForwardingLayout = view.findViewById(R.id.touch_forwarding_layout);
+        mHomePreview = mHomePreviewCard.findViewById(R.id.wallpaper_preview_image);
+        mTouchForwardingLayout.setTargetView(mHomePreview);
+        mTouchForwardingLayout.setForwardingEnabled(true);
+        mLockScreenOverlay = mViewGroup.findViewById(R.id.lock_overlay);
+        mLockScreenOverlayUpdater =
+                new LockScreenOverlayUpdater(getContext(), mLockScreenOverlay, getLifecycle());
+        mLockScreenOverlayUpdater.adjustOverlayLayout(/* isFullScreen= */ true);
+        mTab = view.findViewById(R.id.tabs_container);
+        mHomeTextView = mTab.findViewById(R.id.home);
+        mHomeTextView.setTextColor(
+                getResources().getColorStateList(R.color.bottom_action_button_color_tint,
+                        getContext().getTheme()));
+        mLockTextView = mTab.findViewById(R.id.lock);
+        mLockTextView.setTextColor(
+                getResources().getColorStateList(R.color.bottom_action_button_color_tint,
+                        getContext().getTheme()));
+        mWorkspaceSurface = mHomePreviewCard.findViewById(R.id.workspace_surface);
+        mWorkspaceSurfaceCallback = new WorkspaceSurfaceHolderCallback(
+                mWorkspaceSurface, getContext());
+        updateScreenTab(/* isHomeSelected= */ true);
+        view.addOnLayoutChangeListener((thisView, left, top, right, bottom,
+                oldLeft, oldTop, oldRight, oldBottom) ->
+                setupPreview()
+        );
+        setupCurrentWallpaperPreview(view);
+        previewLiveWallpaper(container, mHomePreview);
+        setupPreview();
+        renderWorkspaceSurface();
+        onBottomActionBarReady(mBottomActionBar);
 
         return view;
     }
@@ -247,30 +229,28 @@
     }
 
     private void setupPreview() {
-        if (USE_NEW_UI) {
-            float screenAspectRatio = (float) mScreenSize.y / mScreenSize.x;
-            int measuredViewHeight = mViewGroup.getMeasuredHeight();
-            int measuredViewWidth = mViewGroup.getMeasuredWidth();
-            int absoluteViewWidth = (int) ((measuredViewHeight - mViewGroup.getPaddingBottom()
-                    - mViewGroup.getPaddingTop()) / screenAspectRatio);
-            int horizontalPadding = (measuredViewWidth - absoluteViewWidth) / 2;
-            mViewGroup.setPaddingRelative(
-                    horizontalPadding,
-                    mViewGroup.getPaddingTop(),
-                    horizontalPadding,
-                    mViewGroup.getPaddingBottom());
-            mHomeTextView.setOnClickListener(view ->
-                    updateScreenTab(/* isHomeSelected= */ true)
-            );
-            mLockTextView.setOnClickListener(view ->
-                    updateScreenTab(/* isHomeSelected= */ false)
-            );
-            repositionPreview(mHomePreview);
+        float screenAspectRatio = (float) mScreenSize.y / mScreenSize.x;
+        int measuredViewHeight = mViewGroup.getMeasuredHeight();
+        int measuredViewWidth = mViewGroup.getMeasuredWidth();
+        int absoluteViewWidth = (int) ((measuredViewHeight - mViewGroup.getPaddingBottom()
+                - mViewGroup.getPaddingTop()) / screenAspectRatio);
+        int horizontalPadding = (measuredViewWidth - absoluteViewWidth) / 2;
+        mViewGroup.setPaddingRelative(
+                horizontalPadding,
+                mViewGroup.getPaddingTop(),
+                horizontalPadding,
+                mViewGroup.getPaddingBottom());
+        mHomeTextView.setOnClickListener(view ->
+                updateScreenTab(/* isHomeSelected= */ true)
+        );
+        mLockTextView.setOnClickListener(view ->
+                updateScreenTab(/* isHomeSelected= */ false)
+        );
+        repositionPreview(mHomePreview);
 
-            ((CardView) mHomePreview.getParent())
-                    .setRadius(SizeCalculator.getPreviewCornerRadius(
-                            getActivity(), mHomePreviewCard.getMeasuredWidth()));
-        }
+        ((CardView) mHomePreview.getParent())
+                .setRadius(SizeCalculator.getPreviewCornerRadius(
+                        getActivity(), mHomePreviewCard.getMeasuredWidth()));
     }
 
     private void repositionPreview(ImageView previewView) {
@@ -331,81 +311,12 @@
             mWallpaperConnection.disconnect();
         }
         mWallpaperConnection = null;
-        if (USE_NEW_UI) {
-            mWorkspaceSurfaceCallback.cleanUp();
-        }
+
+        mWorkspaceSurfaceCallback.cleanUp();
+
         super.onDestroy();
     }
 
-    @Override
-    protected void setUpBottomSheetView(ViewGroup bottomSheet) {
-        if (USE_NEW_UI) {
-            return;
-        }
-
-        initInfoPage();
-        initSettingsPage();
-
-        mViewPager = bottomSheet.findViewById(R.id.viewpager);
-        mTabLayout = bottomSheet.findViewById(R.id.tablayout);
-
-        // Create PagerAdapter
-        final PagerAdapter pagerAdapter = new PagerAdapter() {
-            @Override
-            public Object instantiateItem(ViewGroup container, int position) {
-                final View page = mPages.get(position).second;
-                container.addView(page);
-                return page;
-            }
-
-            @Override
-            public void destroyItem(@NonNull ViewGroup container, int position,
-                    @NonNull Object object) {
-                if (object instanceof View) {
-                    container.removeView((View) object);
-                }
-            }
-
-            @Override
-            public int getCount() {
-                return mPages.size();
-            }
-
-            @Override
-            public CharSequence getPageTitle(int position) {
-                try {
-                    return mPages.get(position).first;
-                } catch (IndexOutOfBoundsException e) {
-                    return null;
-                }
-            }
-
-            @Override
-            public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
-                return (view == object);
-            }
-        };
-
-        // Add OnPageChangeListener to re-measure ViewPager's height
-        mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
-            @Override
-            public void onPageSelected(int position) {
-                mViewPager.requestLayout();
-                logLiveWallpaperPageSelected(position);
-            }
-        });
-
-        // Set PagerAdapter
-        mViewPager.setAdapter(pagerAdapter);
-
-        // Make TabLayout visible if there are more than one page
-        if (mPages.size() > 1) {
-            mTabLayout.setVisibility(View.VISIBLE);
-            mTabLayout.setupWithViewPager(mViewPager);
-        }
-        mViewPager.setCurrentItem(0);
-    }
-
     private void previewLiveWallpaper(ViewGroup container, ImageView thumbnailView) {
         container.post(() -> {
             mWallpaper.getThumbAsset(requireActivity().getApplicationContext()).loadPreviewImage(
@@ -495,43 +406,41 @@
     }
 
     protected void onBottomActionBarReady(BottomActionBar bottomActionBar) {
-        if (USE_NEW_UI) {
-            super.onBottomActionBarReady(bottomActionBar);
-            mBottomActionBar.showActionsOnly(INFORMATION, DELETE, CUSTOMIZE, APPLY);
-            mBottomActionBar.bindBackButtonToSystemBackKey(getActivity());
-            mBottomActionBar.setActionClickListener(APPLY, unused ->
-                    this.onSetWallpaperClicked(null));
-            mWallpaperInfoView = (WallpaperInfoView) LayoutInflater.from(getContext())
-                    .inflate(R.layout.wallpaper_info_view, /* root= */ null);
-            mBottomActionBar.attachViewToBottomSheetAndBindAction(mWallpaperInfoView, INFORMATION);
-            final Uri uriSettingsSlice = getSettingsSliceUri(mWallpaper.getWallpaperComponent());
-            if (uriSettingsSlice != null) {
-                View previewPage = LayoutInflater.from(getContext())
-                        .inflate(R.layout.preview_customize_settings, null);
-                mSettingsSliceView = previewPage.findViewById(R.id.settings_slice);
-                mSettingsSliceView.setMode(SliceView.MODE_LARGE);
-                mSettingsSliceView.setScrollable(false);
-                mSettingsLiveData = SliceLiveData.fromUri(requireContext(), uriSettingsSlice);
-                mSettingsLiveData.observeForever(mSettingsSliceView);
-                mBottomActionBar.attachViewToBottomSheetAndBindAction(previewPage, CUSTOMIZE);
+        super.onBottomActionBarReady(bottomActionBar);
+        mBottomActionBar.showActionsOnly(INFORMATION, DELETE, CUSTOMIZE, APPLY);
+        mBottomActionBar.bindBackButtonToSystemBackKey(getActivity());
+        mBottomActionBar.setActionClickListener(APPLY, unused ->
+                this.onSetWallpaperClicked(null));
+        mWallpaperInfoView = (WallpaperInfoView) LayoutInflater.from(getContext())
+                .inflate(R.layout.wallpaper_info_view, /* root= */ null);
+        mBottomActionBar.attachViewToBottomSheetAndBindAction(mWallpaperInfoView, INFORMATION);
+        final Uri uriSettingsSlice = getSettingsSliceUri(mWallpaper.getWallpaperComponent());
+        if (uriSettingsSlice != null) {
+            View previewPage = LayoutInflater.from(getContext())
+                    .inflate(R.layout.preview_customize_settings, null);
+            mSettingsSliceView = previewPage.findViewById(R.id.settings_slice);
+            mSettingsSliceView.setMode(SliceView.MODE_LARGE);
+            mSettingsSliceView.setScrollable(false);
+            mSettingsLiveData = SliceLiveData.fromUri(requireContext(), uriSettingsSlice);
+            mSettingsLiveData.observeForever(mSettingsSliceView);
+            mBottomActionBar.attachViewToBottomSheetAndBindAction(previewPage, CUSTOMIZE);
+        } else {
+            if (mSettingsIntent != null) {
+                mBottomActionBar.setActionClickListener(CUSTOMIZE, listener ->
+                        startActivity(mSettingsIntent));
             } else {
-                if (mSettingsIntent != null) {
-                    mBottomActionBar.setActionClickListener(CUSTOMIZE, listener ->
-                            startActivity(mSettingsIntent));
-                } else {
-                    mBottomActionBar.hideActions(CUSTOMIZE);
-                }
+                mBottomActionBar.hideActions(CUSTOMIZE);
             }
-
-            final String deleteAction = getDeleteAction(mWallpaper.getWallpaperComponent());
-            if (TextUtils.isEmpty(deleteAction)) {
-                mBottomActionBar.hideActions(DELETE);
-            } else {
-                mBottomActionBar.setActionClickListener(DELETE, listener ->
-                        showDeleteConfirmDialog());
-            }
-            mBottomActionBar.show();
         }
+
+        final String deleteAction = getDeleteAction(mWallpaper.getWallpaperComponent());
+        if (TextUtils.isEmpty(deleteAction)) {
+            mBottomActionBar.hideActions(DELETE);
+        } else {
+            mBottomActionBar.setActionClickListener(DELETE, listener ->
+                    showDeleteConfirmDialog());
+        }
+        mBottomActionBar.show();
     }
 
     private void logLiveWallpaperPageSelected(int position) {
@@ -617,7 +526,7 @@
 
     @Override
     protected int getLayoutResId() {
-        return USE_NEW_UI ? R.layout.fragment_live_preview_v2 : R.layout.fragment_live_preview;
+        return R.layout.fragment_live_preview_v2;
     }
 
     @Override
@@ -691,34 +600,6 @@
         }
     }
 
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        super.onCreateOptionsMenu(menu, inflater);
-        if (USE_NEW_UI) {
-            return;
-        }
-        menu.findItem(R.id.configure).setVisible(mSettingsIntent != null);
-        menu.findItem(R.id.delete_wallpaper).setVisible(mDeleteIntent != null);
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        if (USE_NEW_UI) {
-            return false;
-        }
-        int id = item.getItemId();
-        if (id == R.id.configure) {
-            if (getActivity() != null) {
-                startActivity(mSettingsIntent);
-                return true;
-            }
-        } else if (id == R.id.delete_wallpaper) {
-            showDeleteConfirmDialog();
-            return true;
-        }
-        return super.onOptionsItemSelected(item);
-    }
-
     private void showDeleteConfirmDialog() {
         final AlertDialog alertDialog = new AlertDialog.Builder(
                 new ContextThemeWrapper(getContext(), getDeviceDefaultTheme()))
diff --git a/src/com/android/wallpaper/picker/PreviewFragment.java b/src/com/android/wallpaper/picker/PreviewFragment.java
index 243c6cd..e03243d 100755
--- a/src/com/android/wallpaper/picker/PreviewFragment.java
+++ b/src/com/android/wallpaper/picker/PreviewFragment.java
@@ -26,19 +26,14 @@
 import android.content.res.ColorStateList;
 import android.content.res.Resources.NotFoundException;
 import android.content.res.TypedArray;
-import android.graphics.Insets;
 import android.net.Uri;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.ContextThemeWrapper;
 import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
-import android.view.WindowInsets;
 import android.widget.Button;
 import android.widget.CheckBox;
 import android.widget.TextView;
@@ -51,7 +46,6 @@
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
-import androidx.core.view.ViewCompat;
 import androidx.core.widget.ContentLoadingProgressBar;
 import androidx.fragment.app.FragmentActivity;
 
@@ -106,8 +100,6 @@
     public static final String ARG_PREVIEW_MODE = "preview_mode";
     public static final String ARG_TESTING_MODE_ENABLED = "testing_mode_enabled";
 
-    protected static final boolean USE_NEW_UI = ViewOnlyPreviewActivity.USE_NEW_UI;
-
     /**
      * Creates and returns new instance of {@link ImagePreviewFragment} with the provided wallpaper
      * set as an argument.
@@ -208,12 +200,11 @@
 
         // Set toolbar as the action bar.
         Toolbar toolbar = view.findViewById(R.id.toolbar);
-        if (USE_NEW_UI) {
-            TextView titleTextView = toolbar.findViewById(R.id.custom_toolbar_title);
-            if (titleTextView != null) {
-                titleTextView.setText(R.string.preview);
-            }
+        TextView titleTextView = toolbar.findViewById(R.id.custom_toolbar_title);
+        if (titleTextView != null) {
+            titleTextView.setText(R.string.preview);
         }
+
         AppCompatActivity activity = (AppCompatActivity) requireActivity();
         activity.setSupportActionBar(toolbar);
         activity.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
@@ -221,25 +212,12 @@
         toolbar.getNavigationIcon().setTint(getAttrColor(activity, android.R.attr.colorPrimary));
         toolbar.getNavigationIcon().setAutoMirrored(true);
 
-        if (!USE_NEW_UI) {
-            ViewCompat.setPaddingRelative(toolbar,
-                    /* start */ getResources().getDimensionPixelSize(
-                            R.dimen.preview_toolbar_up_button_start_padding),
-                    /* top */ 0,
-                    /* end */ getResources().getDimensionPixelSize(
-                            R.dimen.preview_toolbar_set_wallpaper_button_end_padding),
-                    /* bottom */ 0);
-        }
-
         mLoadingProgressBar = view.findViewById(getLoadingIndicatorResId());
         mLoadingProgressBar.show();
 
-        if (USE_NEW_UI) {
-            mBottomActionBar = view.findViewById(R.id.bottom_actionbar);
-        }
+        mBottomActionBar = view.findViewById(R.id.bottom_actionbar);
 
         mBottomSheet = view.findViewById(getBottomSheetResId());
-        setUpBottomSheetView(mBottomSheet);
 
         SizeCalculator.adjustBackgroundCornerRadius(mBottomSheet);
 
@@ -247,22 +225,6 @@
                 : savedInstanceState.getInt(KEY_BOTTOM_SHEET_STATE, STATE_EXPANDED);
         setUpBottomSheetListeners();
 
-        if (!USE_NEW_UI) {
-            view.setOnApplyWindowInsetsListener((v, windowInsets) -> {
-                toolbar.setPadding(toolbar.getPaddingLeft(),
-                        toolbar.getPaddingTop() + windowInsets.getSystemWindowInsetTop(),
-                        toolbar.getPaddingRight(), toolbar.getPaddingBottom());
-                mBottomSheet.setPadding(mBottomSheet.getPaddingLeft(),
-                        mBottomSheet.getPaddingTop(), mBottomSheet.getPaddingRight(),
-                        mBottomSheet.getPaddingBottom()
-                                + windowInsets.getSystemWindowInsetBottom());
-                WindowInsets.Builder builder = new WindowInsets.Builder(windowInsets);
-                builder.setSystemWindowInsets(Insets.of(windowInsets.getSystemWindowInsetLeft(),
-                        0, windowInsets.getStableInsetRight(), 0));
-                return builder.build();
-            });
-        }
-
         return view;
     }
 
@@ -312,8 +274,6 @@
     @LayoutRes
     protected abstract int getLayoutResId();
 
-    protected abstract void setUpBottomSheetView(ViewGroup bottomSheet);
-
     @IdRes
     protected abstract int getBottomSheetResId();
 
@@ -347,48 +307,6 @@
         }
     }
 
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        super.onCreateOptionsMenu(menu, inflater);
-        if (USE_NEW_UI) {
-            return;
-        }
-        inflater.inflate(R.menu.preview_menu, menu);
-    }
-
-    @Override
-    public void onPrepareOptionsMenu(Menu menu) {
-        super.onPrepareOptionsMenu(menu);
-        if (USE_NEW_UI) {
-            return;
-        }
-        setupPreviewMenu(menu);
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        if (USE_NEW_UI) {
-            return false;
-        }
-        int id = item.getItemId();
-        if (id == android.R.id.home) {
-            // The Preview screen has multiple entry points. It could be opened from either
-            // the IndividualPreviewActivity, the "My photos" selection (by way of
-            // TopLevelPickerActivity), or from a system "crop and set wallpaper" intent.
-            // Therefore, handle the Up button as a global Back.
-            requireActivity().onBackPressed();
-            return true;
-        }
-
-        return false;
-    }
-
-    private void setupPreviewMenu(Menu menu) {
-        mPreview = (CheckBox) menu.findItem(R.id.preview).getActionView();
-        mPreview.setChecked(mBottomSheetInitialState == STATE_COLLAPSED);
-        mPreview.setOnClickListener(this::setPreviewBehavior);
-    }
-
     protected void setPreviewChecked(boolean checked) {
         if (mPreview != null) {
             mPreview.setChecked(checked);
@@ -398,17 +316,6 @@
         }
     }
 
-    private void setPreviewBehavior(View v) {
-        CheckBox checkbox = (CheckBox) v;
-        BottomSheetBehavior<?> behavior = BottomSheetBehavior.from(mBottomSheet);
-
-        if (checkbox.isChecked()) {
-            behavior.setState(STATE_COLLAPSED);
-        } else {
-            behavior.setState(STATE_EXPANDED);
-        }
-    }
-
     protected void setUpExploreIntentAndLabel(@Nullable Runnable callback) {
         Context context = getContext();
         if (context == null) {
@@ -473,9 +380,7 @@
 
     @Override
     public void onDialogDismissed(boolean withItemSelected) {
-        if (USE_NEW_UI) {
-            mBottomActionBar.setActionSelected(APPLY, false /* selected */);
-        }
+        mBottomActionBar.setActionSelected(APPLY, false /* selected */);
     }
 
     @Override
diff --git a/src/com/android/wallpaper/picker/ViewOnlyPreviewActivity.java b/src/com/android/wallpaper/picker/ViewOnlyPreviewActivity.java
index 2846f5d..b4c4f5f 100755
--- a/src/com/android/wallpaper/picker/ViewOnlyPreviewActivity.java
+++ b/src/com/android/wallpaper/picker/ViewOnlyPreviewActivity.java
@@ -33,7 +33,6 @@
  */
 public class ViewOnlyPreviewActivity extends BasePreviewActivity {
 
-    public static boolean USE_NEW_UI = true;
     /**
      * Returns a new Intent with the provided WallpaperInfo instance put as an extra.
      */
@@ -45,10 +44,8 @@
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        if (USE_NEW_UI) {
-            setTheme(R.style.WallpaperTheme);
-            getWindow().setFormat(PixelFormat.TRANSLUCENT);
-        }
+        setTheme(R.style.WallpaperTheme);
+        getWindow().setFormat(PixelFormat.TRANSLUCENT);
         setContentView(R.layout.activity_preview);
     }