diff --git a/src/com/android/launcher2/AllAppsPagedView.java b/src/com/android/launcher2/AllAppsPagedView.java
new file mode 100644
index 0000000..e0d248e
--- /dev/null
+++ b/src/com/android/launcher2/AllAppsPagedView.java
@@ -0,0 +1,352 @@
+/*
+ * Copyright (C) 2010 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.launcher2;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.drawable.BitmapDrawable;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.animation.AlphaAnimation;
+import android.view.animation.Animation;
+import android.view.animation.AnimationUtils;
+import android.view.animation.Animation.AnimationListener;
+import android.widget.TextView;
+
+import com.android.launcher.R;
+
+/**
+ * An implementation of PagedView that populates the pages of the workspace
+ * with all of the user's applications.
+ */
+public class AllAppsPagedView extends PagedView
+        implements AllAppsView, View.OnClickListener, View.OnLongClickListener, DragSource,
+        PagedViewCellLayout.DimmedBitmapSetupListener {
+
+    private static final String TAG = "AllAppsPagedView";
+    private static final boolean DEBUG = false;
+
+    private Launcher mLauncher;
+    private DragController mDragController;
+
+    // preserve compatibility with 3D all apps:
+    //    0.0 -> hidden
+    //    1.0 -> shown and opaque
+    //    intermediate values -> partially shown & partially opaque
+    private float mZoom;
+
+    // set of all applications
+    private ArrayList<ApplicationInfo> mApps;
+    private ArrayList<ApplicationInfo> mFilteredApps;
+
+    // the types of applications to filter
+    static final int ALL_APPS_FLAG = -1;
+    private int mAppFilter = ALL_APPS_FLAG;
+
+    private int mCellCountX;
+    private int mCellCountY;
+
+    private final LayoutInflater mInflater;
+
+    public AllAppsPagedView(Context context) {
+        this(context, null);
+    }
+
+    public AllAppsPagedView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public AllAppsPagedView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, defStyle, 0);
+        mCellCountX = a.getInt(R.styleable.PagedView_cellCountX, 6);
+        mCellCountY = a.getInt(R.styleable.PagedView_cellCountY, 4);
+        mInflater = LayoutInflater.from(context);
+        a.recycle();
+        setSoundEffectsEnabled(false);
+    }
+
+    @Override
+    public void setLauncher(Launcher launcher) {
+        mLauncher = launcher;
+    }
+
+    @Override
+    public void setDragController(DragController dragger) {
+        mDragController = dragger;
+    }
+
+    public void setAppFilter(int filterType) {
+        mAppFilter = filterType;
+        mFilteredApps = rebuildFilteredApps(mApps);
+        setCurrentScreen(0);
+        invalidatePageData();
+    }
+
+    @Override
+    public void zoom(float zoom, boolean animate) {
+        mZoom = zoom;
+        cancelLongPress();
+
+        if (isVisible()) {
+            getParent().bringChildToFront(this);
+            setVisibility(View.VISIBLE);
+            if (animate) {
+                startAnimation(AnimationUtils.loadAnimation(getContext(),
+                        R.anim.all_apps_2d_fade_in));
+            } else {
+                onAnimationEnd();
+            }
+        } else {
+            if (animate) {
+                startAnimation(AnimationUtils.loadAnimation(getContext(),
+                        R.anim.all_apps_2d_fade_out));
+            } else {
+                onAnimationEnd();
+            }
+        }
+    }
+
+    protected void onAnimationEnd() {
+        if (!isVisible()) {
+            setVisibility(View.GONE);
+            mZoom = 0.0f;
+        } else {
+            mZoom = 1.0f;
+        }
+
+        if (mLauncher != null)
+            mLauncher.zoomed(mZoom);
+    }
+
+    private int getChildIndexForGrandChild(View v) {
+        final int childCount = getChildCount();
+        for (int i = 0; i < childCount; ++i) {
+            PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(i);
+            if (layout.indexOfChild(v) > -1) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    @Override
+    public void onClick(View v) {
+        int childIndex = getChildIndexForGrandChild(v);
+        if (childIndex == getCurrentScreen()) {
+            final ApplicationInfo app = (ApplicationInfo) v.getTag();
+
+            AlphaAnimation anim = new AlphaAnimation(1.0f, 0.65f);
+            anim.setDuration(100);
+            anim.setFillAfter(true);
+            anim.setRepeatMode(AlphaAnimation.REVERSE);
+            anim.setRepeatCount(1);
+            anim.setAnimationListener(new AnimationListener() {
+                @Override
+                public void onAnimationStart(Animation animation) {}
+                @Override
+                public void onAnimationRepeat(Animation animation) {
+                    mLauncher.startActivitySafely(app.intent, app);
+                }
+                @Override
+                public void onAnimationEnd(Animation animation) {}
+            });
+            v.startAnimation(anim);
+        }
+    }
+
+    @Override
+    public boolean onLongClick(View v) {
+        if (!v.isInTouchMode()) {
+            return false;
+        }
+
+        ApplicationInfo app = (ApplicationInfo) v.getTag();
+        app = new ApplicationInfo(app);
+
+        mDragController.startDrag(v, this, app, DragController.DRAG_ACTION_COPY);
+        mLauncher.closeAllApps(true);
+        return true;
+    }
+
+    @Override
+    public void onDropCompleted(View target, boolean success) {
+        // do nothing
+    }
+
+    @Override
+    public boolean isVisible() {
+        return mZoom > 0.001f;
+    }
+
+    @Override
+    public boolean isAnimating() {
+        return (getAnimation() != null);
+    }
+
+    private ArrayList<ApplicationInfo> rebuildFilteredApps(ArrayList<ApplicationInfo> apps) {
+        ArrayList<ApplicationInfo> filteredApps = new ArrayList<ApplicationInfo>();
+        if (mAppFilter == ALL_APPS_FLAG) {
+            return apps;
+        } else {
+            final int length = apps.size();
+            for (int i = 0; i < length; ++i) {
+                ApplicationInfo info = apps.get(i);
+                if ((info.flags & mAppFilter) > 0) {
+                    filteredApps.add(info);
+                }
+            }
+        }
+        return filteredApps;
+    }
+
+    @Override
+    public void setApps(ArrayList<ApplicationInfo> list) {
+        mApps = list;
+        Collections.sort(mApps, new Comparator<ApplicationInfo>() {
+            @Override
+            public int compare(ApplicationInfo object1, ApplicationInfo object2) {
+                return object1.title.toString().compareTo(object2.title.toString());
+            }
+        });
+        mFilteredApps = rebuildFilteredApps(mApps);
+        invalidatePageData();
+    }
+
+    @Override
+    public void addApps(ArrayList<ApplicationInfo> list) {
+        // TODO: we need to add it in place, in alphabetical order
+        mApps.addAll(list);
+        mFilteredApps.addAll(rebuildFilteredApps(list));
+        invalidatePageData();
+    }
+
+    @Override
+    public void removeApps(ArrayList<ApplicationInfo> list) {
+        // loop through all the apps and remove apps that have the same component
+        final int length = list.size();
+        for (int i = 0; i < length; ++i) {
+            int removeIndex = findAppByComponent(mApps, list.get(i));
+            if (removeIndex > -1) {
+                mApps.remove(removeIndex);
+            }
+        }
+        mFilteredApps = rebuildFilteredApps(list);
+        invalidatePageData();
+    }
+
+    @Override
+    public void updateApps(ArrayList<ApplicationInfo> list) {
+        removeApps(list);
+        addApps(list);
+    }
+
+    private int findAppByComponent(ArrayList<ApplicationInfo> list, ApplicationInfo item) {
+        ComponentName removeComponent = item.intent.getComponent();
+        final int length = list.size();
+        for (int i = 0; i < length; ++i) {
+            ApplicationInfo info = list.get(i);
+            if (info.intent.getComponent().equals(removeComponent)) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    @Override
+    public void dumpState() {
+        ApplicationInfo.dumpApplicationInfoList(TAG, "mApps", mApps);
+    }
+
+    @Override
+    public void surrender() {
+        // do nothing?
+    }
+
+    @Override
+    public void syncPages() {
+        // ensure that we have the right number of pages
+        int numPages = (int) Math.ceil((float) mFilteredApps.size() / (mCellCountX * mCellCountY));
+        int curNumPages = getChildCount();
+        // remove any extra pages after the "last" page
+        int extraPageDiff = curNumPages - numPages;
+        for (int i = 0; i < extraPageDiff; ++i) {
+            removeViewAt(numPages);
+        }
+        // add any necessary pages
+        for (int i = curNumPages; i < numPages; ++i) {
+            PagedViewCellLayout layout = new PagedViewCellLayout(getContext());
+            layout.setCellCount(mCellCountX, mCellCountY);
+            layout.setDimmedBitmapSetupListener(this);
+            addView(layout);
+        }
+
+        // bound the current page
+        setCurrentScreen(Math.max(0, Math.min(numPages - 1, getCurrentScreen())));
+    }
+
+    @Override
+    public void syncPageItems(int page) {
+        // ensure that we have the right number of items on the pages
+        int numCells = mCellCountX * mCellCountY;
+        int startIndex = page * numCells;
+        int endIndex = Math.min(startIndex + numCells, mFilteredApps.size());
+        PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page);
+        // TODO: we can optimize by just re-applying to existing views
+        layout.removeAllViews();
+        for (int i = startIndex; i < endIndex; ++i) {
+            ApplicationInfo info = mFilteredApps.get(i);
+            TextView text = (TextView) mInflater.inflate(R.layout.all_apps_paged_view_application, layout, false);
+            text.setCompoundDrawablesWithIntrinsicBounds(null,
+                new BitmapDrawable(info.iconBitmap), null, null);
+            text.setText(info.title);
+            text.setTag(info);
+            text.setOnClickListener(this);
+            text.setOnLongClickListener(this);
+
+            int index = i - startIndex;
+            layout.addViewToCellLayout(text, index, i,
+                new PagedViewCellLayout.LayoutParams(index % mCellCountX, index / mCellCountX, 1, 1));
+        }
+    }
+
+    @Override
+    public void onPreUpdateDimmedBitmap(PagedViewCellLayout layout) {
+        // disable all children text for now
+        final int childCount = layout.getChildCount();
+        for (int i = 0; i < childCount; ++i) {
+            TextView text = (TextView) layout.getChildAt(i);
+            text.setText("");
+        }
+    }
+    @Override
+    public void onPostUpdateDimmedBitmap(PagedViewCellLayout layout) {
+        // re-enable all children text
+        final int childCount = layout.getChildCount();
+        for (int i = 0; i < childCount; ++i) {
+            TextView text = (TextView) layout.getChildAt(i);
+            final ApplicationInfo info = (ApplicationInfo) text.getTag();
+            text.setText(info.title);
+        }
+    }
+}
diff --git a/src/com/android/launcher2/AllAppsTabbed.java b/src/com/android/launcher2/AllAppsTabbed.java
index 7dbb1a5..0470cee 100644
--- a/src/com/android/launcher2/AllAppsTabbed.java
+++ b/src/com/android/launcher2/AllAppsTabbed.java
@@ -16,16 +16,20 @@
 
 package com.android.launcher2;
 
-import com.android.launcher.R;
+import java.util.ArrayList;
 
 import android.content.Context;
 import android.content.res.Resources;
+import android.graphics.Color;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.View;
+import android.widget.RelativeLayout;
 import android.widget.TabHost;
+import android.widget.TabWidget;
+import android.widget.TextView;
 
-import java.util.ArrayList;
+import com.android.launcher.R;
 
 /**
  * Implements a tabbed version of AllApps2D.
@@ -39,7 +43,7 @@
     private static final String TAG_GAMES = "GAMES";
     private static final String TAG_DOWNLOADED = "DOWNLOADED";
 
-    private AllApps2D mAllApps2D;
+    private AllAppsPagedView mAllApps;
     private Context mContext;
 
     public AllAppsTabbed(Context context, AttributeSet attrs) {
@@ -49,18 +53,20 @@
 
     @Override
     protected void onFinishInflate() {
+        // setup the tab host
+        setup();
+
         try {
-            mAllApps2D = (AllApps2D)findViewById(R.id.all_apps_2d);
-            if (mAllApps2D == null) throw new Resources.NotFoundException();
+            mAllApps = (AllAppsPagedView) findViewById(R.id.all_apps_paged_view);
+            if (mAllApps == null) throw new Resources.NotFoundException();
         } catch (Resources.NotFoundException e) {
             Log.e(TAG, "Can't find necessary layout elements for AllAppsTabbed");
         }
-        setup();
 
-        // This lets us share the same view between all tabs
+        // share the same AllApps workspace across all the tabs
         TabContentFactory contentFactory = new TabContentFactory() {
             public View createTabContent(String tag) {
-                return mAllApps2D;
+                return mAllApps;
             }
         };
 
@@ -76,51 +82,67 @@
         label = mContext.getString(R.string.all_apps_tab_downloaded);
         addTab(newTabSpec(TAG_DOWNLOADED).setIndicator(label).setContent(contentFactory));
 
+        // TEMP: just styling the tab widget to be a bit nicer until we get the actual
+        // new assets
+        TabWidget tabWidget = getTabWidget();
+        for (int i = 0; i < tabWidget.getChildCount(); ++i) {
+            RelativeLayout tab = (RelativeLayout) tabWidget.getChildTabViewAt(i);
+            TextView text = (TextView) tab.getChildAt(1);
+            text.setTextSize(20.0f);
+            text.setPadding(20, 0, 20, 0);
+            text.setShadowLayer(1.0f, 0.0f, 1.0f, Color.BLACK);
+            tab.setBackgroundDrawable(null);
+        }
+
         setOnTabChangedListener(new OnTabChangeListener() {
             public void onTabChanged(String tabId) {
                 String tag = getCurrentTabTag();
                 if (tag == TAG_ALL) {
-                    mAllApps2D.filterApps(AllApps2D.AppType.ALL);
+                    mAllApps.setAppFilter(AllAppsPagedView.ALL_APPS_FLAG);
                 } else if (tag == TAG_APPS) {
-                    mAllApps2D.filterApps(AllApps2D.AppType.APP);
+                    mAllApps.setAppFilter(ApplicationInfo.APP_FLAG);
                 } else if (tag == TAG_GAMES) {
-                    mAllApps2D.filterApps(AllApps2D.AppType.GAME);
+                    mAllApps.setAppFilter(ApplicationInfo.GAME_FLAG);
                 } else if (tag == TAG_DOWNLOADED) {
-                    mAllApps2D.filterApps(AllApps2D.AppType.DOWNLOADED);
+                    mAllApps.setAppFilter(ApplicationInfo.DOWNLOADED_FLAG);
                 }
             }
         });
 
         setCurrentTab(0);
+
+        // It needs to be INVISIBLE so that it will be measured in the layout.
+        // Otherwise the animations is messed up when we show it for the first time.
+        setVisibility(INVISIBLE);
     }
 
     @Override
     public void setLauncher(Launcher launcher) {
-        mAllApps2D.setLauncher(launcher);
+        mAllApps.setLauncher(launcher);
     }
 
     @Override
     public void setDragController(DragController dragger) {
-        mAllApps2D.setDragController(dragger);
+        mAllApps.setDragController(dragger);
     }
 
     @Override
     public void zoom(float zoom, boolean animate) {
         // NOTE: animate parameter is ignored for the TabHost itself
         setVisibility((zoom == 0.0f) ? View.GONE : View.VISIBLE);
-        mAllApps2D.zoom(zoom, animate);
+        mAllApps.zoom(zoom, animate);
     }
 
     @Override
     public void setVisibility(int visibility) {
         super.setVisibility(visibility);
         float zoom = visibility == View.VISIBLE ? 1.0f : 0.0f;
-        mAllApps2D.zoom(zoom, false);
+        mAllApps.zoom(zoom, false);
     }
 
     @Override
     public boolean isVisible() {
-        return mAllApps2D.isVisible();
+        return mAllApps.isVisible();
     }
 
     @Override
@@ -130,31 +152,31 @@
 
     @Override
     public void setApps(ArrayList<ApplicationInfo> list) {
-        mAllApps2D.setApps(list);
+        mAllApps.setApps(list);
     }
 
     @Override
     public void addApps(ArrayList<ApplicationInfo> list) {
-        mAllApps2D.addApps(list);
+        mAllApps.addApps(list);
     }
 
     @Override
     public void removeApps(ArrayList<ApplicationInfo> list) {
-        mAllApps2D.removeApps(list);
+        mAllApps.removeApps(list);
     }
 
     @Override
     public void updateApps(ArrayList<ApplicationInfo> list) {
-        mAllApps2D.updateApps(list);
+        mAllApps.updateApps(list);
     }
 
     @Override
     public void dumpState() {
-        mAllApps2D.dumpState();
+        mAllApps.dumpState();
     }
 
     @Override
     public void surrender() {
-        mAllApps2D.surrender();
+        mAllApps.surrender();
     }
 }
diff --git a/src/com/android/launcher2/PagedView.java b/src/com/android/launcher2/PagedView.java
new file mode 100644
index 0000000..26805e0
--- /dev/null
+++ b/src/com/android/launcher2/PagedView.java
@@ -0,0 +1,788 @@
+/*
+ * Copyright (C) 2010 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.launcher2;
+
+import java.util.ArrayList;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.MotionEvent;
+import android.view.VelocityTracker;
+import android.view.View;
+import android.view.ViewConfiguration;
+import android.view.ViewGroup;
+import android.view.ViewParent;
+import android.widget.Scroller;
+
+/**
+ * An abstraction of the original Workspace which supports browsing through a
+ * sequential list of "pages" (or PagedViewCellLayouts).
+ */
+public abstract class PagedView extends ViewGroup {
+    private static final String TAG = "PagedView";
+    private static final int INVALID_SCREEN = -1;
+
+    // the velocity at which a fling gesture will cause us to snap to the next screen
+    private static final int SNAP_VELOCITY = 500;
+
+    // the min drag distance for a fling to register, to prevent random screen shifts
+    private static final int MIN_LENGTH_FOR_FLING = 50;
+
+    private boolean mFirstLayout = true;
+
+    private int mCurrentScreen;
+    private int mNextScreen = INVALID_SCREEN;
+    private Scroller mScroller;
+    private VelocityTracker mVelocityTracker;
+
+    private float mDownMotionX;
+    private float mLastMotionX;
+    private float mLastMotionY;
+
+    private final static int TOUCH_STATE_REST = 0;
+    private final static int TOUCH_STATE_SCROLLING = 1;
+    private final static int TOUCH_STATE_PREV_PAGE = 2;
+    private final static int TOUCH_STATE_NEXT_PAGE = 3;
+
+    private int mTouchState = TOUCH_STATE_REST;
+
+    private OnLongClickListener mLongClickListener;
+
+    private boolean mAllowLongPress = true;
+
+    private int mTouchSlop;
+    private int mPagingTouchSlop;
+    private int mMaximumVelocity;
+
+    private static final int INVALID_POINTER = -1;
+
+    private int mActivePointerId = INVALID_POINTER;
+
+    private ScreenSwitchListener mScreenSwitchListener;
+
+    private boolean mDimmedPagesDirty;
+
+    public interface ScreenSwitchListener {
+        void onScreenSwitch(View newScreen, int newScreenIndex);
+    }
+
+    /**
+     * Constructor
+     *
+     * @param context The application's context.
+     */
+    public PagedView(Context context) {
+        this(context, null);
+    }
+
+    public PagedView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public PagedView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+
+        setHapticFeedbackEnabled(false);
+        initWorkspace();
+    }
+
+    /**
+     * Initializes various states for this workspace.
+     */
+    private void initWorkspace() {
+        mScroller = new Scroller(getContext());
+        mCurrentScreen = 0;
+
+        final ViewConfiguration configuration = ViewConfiguration.get(getContext());
+        mTouchSlop = configuration.getScaledTouchSlop();
+        mPagingTouchSlop = configuration.getScaledPagingTouchSlop();
+        mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
+    }
+
+    public void setScreenSwitchListener(ScreenSwitchListener screenSwitchListener) {
+        mScreenSwitchListener = screenSwitchListener;
+        if (mScreenSwitchListener != null) {
+            mScreenSwitchListener.onScreenSwitch(getScreenAt(mCurrentScreen), mCurrentScreen);
+        }
+    }
+
+    /**
+     * Returns the index of the currently displayed screen.
+     *
+     * @return The index of the currently displayed screen.
+     */
+    int getCurrentScreen() {
+        return mCurrentScreen;
+    }
+
+    int getScreenCount() {
+        return getChildCount();
+    }
+
+    View getScreenAt(int index) {
+        return getChildAt(index);
+    }
+
+    int getScrollWidth() {
+        return getWidth();
+    }
+
+    /**
+     * Sets the current screen.
+     *
+     * @param currentScreen
+     */
+    void setCurrentScreen(int currentScreen) {
+        if (!mScroller.isFinished()) mScroller.abortAnimation();
+        if (getChildCount() == 0) return;
+
+        mCurrentScreen = Math.max(0, Math.min(currentScreen, getScreenCount() - 1));
+        scrollTo(getChildOffset(mCurrentScreen) - getRelativeChildOffset(mCurrentScreen), 0);
+        invalidate();
+        notifyScreenSwitchListener();
+    }
+
+    private void notifyScreenSwitchListener() {
+        if (mScreenSwitchListener != null) {
+            mScreenSwitchListener.onScreenSwitch(getScreenAt(mCurrentScreen), mCurrentScreen);
+        }
+    }
+
+    /**
+     * Registers the specified listener on each screen contained in this workspace.
+     *
+     * @param l The listener used to respond to long clicks.
+     */
+    @Override
+    public void setOnLongClickListener(OnLongClickListener l) {
+        mLongClickListener = l;
+        final int count = getScreenCount();
+        for (int i = 0; i < count; i++) {
+            getScreenAt(i).setOnLongClickListener(l);
+        }
+    }
+
+    @Override
+    public void computeScroll() {
+        if (mScroller.computeScrollOffset()) {
+            scrollTo(mScroller.getCurrX(), mScroller.getCurrY());
+            postInvalidate();
+        } else if (mNextScreen != INVALID_SCREEN) {
+            mCurrentScreen = Math.max(0, Math.min(mNextScreen, getScreenCount() - 1));
+            notifyScreenSwitchListener();
+            mNextScreen = INVALID_SCREEN;
+        }
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
+        final int widthSize = MeasureSpec.getSize(widthMeasureSpec);
+        if (widthMode != MeasureSpec.EXACTLY) {
+            throw new IllegalStateException("Workspace can only be used in EXACTLY mode.");
+        }
+
+        final int heightMode = MeasureSpec.getMode(heightMeasureSpec);
+        final int heightSize = MeasureSpec.getSize(heightMeasureSpec);
+        if (heightMode != MeasureSpec.EXACTLY) {
+            throw new IllegalStateException("Workspace can only be used in EXACTLY mode.");
+        }
+
+        // The children are given the same width and height as the workspace
+        final int childCount = getChildCount();
+        for (int i = 0; i < childCount; i++) {
+            getChildAt(i).measure(widthMeasureSpec, heightMeasureSpec);
+        }
+
+        setMeasuredDimension(widthSize, heightSize);
+
+        if (mFirstLayout) {
+            setHorizontalScrollBarEnabled(false);
+            scrollTo(mCurrentScreen * widthSize, 0);
+            setHorizontalScrollBarEnabled(true);
+            mFirstLayout = false;
+        }
+    }
+
+    @Override
+    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+        final int childCount = getChildCount();
+        int childLeft = 0;
+        if (childCount > 0) {
+            childLeft = (getMeasuredWidth() - getChildAt(0).getMeasuredWidth()) / 2;
+        }
+
+        for (int i = 0; i < childCount; i++) {
+            final View child = getChildAt(i);
+            if (child.getVisibility() != View.GONE) {
+                final int childWidth = child.getMeasuredWidth();
+                child.layout(childLeft, 0, childLeft + childWidth, child.getMeasuredHeight());
+                childLeft += childWidth;
+            }
+        }
+    }
+
+    protected void invalidateDimmedPages() {
+        mDimmedPagesDirty = true;
+    }
+
+    @Override
+    protected void dispatchDraw(Canvas canvas) {
+        if (mDimmedPagesDirty || (mTouchState == TOUCH_STATE_SCROLLING) ||
+                !mScroller.isFinished()) {
+            int screenCenter = mScrollX + (getMeasuredWidth() / 2);
+            final int childCount = getChildCount();
+            for (int i = 0; i < childCount; ++i) {
+                PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(i);
+                int childWidth = layout.getMeasuredWidth();
+                int halfChildWidth = (childWidth / 2);
+                int childCenter = getChildOffset(i) + halfChildWidth;
+                int distanceFromScreenCenter = Math.abs(childCenter - screenCenter);
+                float dimAlpha = 0.0f;
+                if (distanceFromScreenCenter < halfChildWidth) {
+                    dimAlpha = 0.0f;
+                } else if (distanceFromScreenCenter > childWidth) {
+                    dimAlpha = 1.0f;
+                } else {
+                    dimAlpha = (float) (distanceFromScreenCenter - halfChildWidth) / halfChildWidth;
+                    dimAlpha = (dimAlpha * dimAlpha);
+                }
+                layout.setDimmedBitmapAlpha(Math.max(0.0f, Math.min(1.0f, dimAlpha)));
+            }
+        }
+        super.dispatchDraw(canvas);
+    }
+
+    @Override
+    public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) {
+        int screen = indexOfChild(child);
+        if (screen != mCurrentScreen || !mScroller.isFinished()) {
+            snapToScreen(screen);
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {
+        int focusableScreen;
+        if (mNextScreen != INVALID_SCREEN) {
+            focusableScreen = mNextScreen;
+        } else {
+            focusableScreen = mCurrentScreen;
+        }
+        View v = getScreenAt(focusableScreen);
+        if (v != null) {
+            v.requestFocus(direction, previouslyFocusedRect);
+        }
+        return false;
+    }
+
+    @Override
+    public boolean dispatchUnhandledMove(View focused, int direction) {
+        if (direction == View.FOCUS_LEFT) {
+            if (getCurrentScreen() > 0) {
+                snapToScreen(getCurrentScreen() - 1);
+                return true;
+            }
+        } else if (direction == View.FOCUS_RIGHT) {
+            if (getCurrentScreen() < getScreenCount() - 1) {
+                snapToScreen(getCurrentScreen() + 1);
+                return true;
+            }
+        }
+        return super.dispatchUnhandledMove(focused, direction);
+    }
+
+    @Override
+    public void addFocusables(ArrayList<View> views, int direction, int focusableMode) {
+        if (mCurrentScreen >= 0 && mCurrentScreen < getScreenCount()) {
+            getScreenAt(mCurrentScreen).addFocusables(views, direction);
+        }
+        if (direction == View.FOCUS_LEFT) {
+            if (mCurrentScreen > 0) {
+                getScreenAt(mCurrentScreen - 1).addFocusables(views, direction);
+            }
+        } else if (direction == View.FOCUS_RIGHT){
+            if (mCurrentScreen < getScreenCount() - 1) {
+                getScreenAt(mCurrentScreen + 1).addFocusables(views, direction);
+            }
+        }
+    }
+
+    /**
+     * If one of our descendant views decides that it could be focused now, only
+     * pass that along if it's on the current screen.
+     *
+     * This happens when live folders requery, and if they're off screen, they
+     * end up calling requestFocus, which pulls it on screen.
+     */
+    @Override
+    public void focusableViewAvailable(View focused) {
+        View current = getScreenAt(mCurrentScreen);
+        View v = focused;
+        while (true) {
+            if (v == current) {
+                super.focusableViewAvailable(focused);
+                return;
+            }
+            if (v == this) {
+                return;
+            }
+            ViewParent parent = v.getParent();
+            if (parent instanceof View) {
+                v = (View)v.getParent();
+            } else {
+                return;
+            }
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) {
+        if (disallowIntercept) {
+            // We need to make sure to cancel our long press if
+            // a scrollable widget takes over touch events
+            final View currentScreen = getChildAt(mCurrentScreen);
+            currentScreen.cancelLongPress();
+        }
+        super.requestDisallowInterceptTouchEvent(disallowIntercept);
+    }
+
+    @Override
+    public boolean onInterceptTouchEvent(MotionEvent ev) {
+        /*
+         * This method JUST determines whether we want to intercept the motion.
+         * If we return true, onTouchEvent will be called and we do the actual
+         * scrolling there.
+         */
+
+        /*
+         * Shortcut the most recurring case: the user is in the dragging
+         * state and he is moving his finger.  We want to intercept this
+         * motion.
+         */
+        final int action = ev.getAction();
+        if ((action == MotionEvent.ACTION_MOVE) &&
+                (mTouchState == TOUCH_STATE_SCROLLING)) {
+            return true;
+        }
+
+
+        switch (action & MotionEvent.ACTION_MASK) {
+            case MotionEvent.ACTION_MOVE: {
+                /*
+                 * mIsBeingDragged == false, otherwise the shortcut would have caught it. Check
+                 * whether the user has moved far enough from his original down touch.
+                 */
+                determineScrollingStart(ev);
+                break;
+            }
+
+            case MotionEvent.ACTION_DOWN: {
+                final float x = ev.getX();
+                final float y = ev.getY();
+                // Remember location of down touch
+                mDownMotionX = x;
+                mLastMotionX = x;
+                mLastMotionY = y;
+                mActivePointerId = ev.getPointerId(0);
+                mAllowLongPress = true;
+
+                /*
+                 * If being flinged and user touches the screen, initiate drag;
+                 * otherwise don't.  mScroller.isFinished should be false when
+                 * being flinged.
+                 */
+                mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING;
+
+                // check if this can be the beginning of a tap on the side of the screens
+                // to scroll the current page
+                if ((mTouchState != TOUCH_STATE_PREV_PAGE) &&
+                        (mTouchState != TOUCH_STATE_NEXT_PAGE)) {
+                    if (getChildCount() > 0) {
+                        int relativeChildLeft = getChildOffset(0);
+                        int relativeChildRight = relativeChildLeft + getChildAt(0).getMeasuredWidth();
+                        if (x < relativeChildLeft) {
+                            mTouchState = TOUCH_STATE_PREV_PAGE;
+                        } else if (x > relativeChildRight) {
+                            mTouchState = TOUCH_STATE_NEXT_PAGE;
+                        }
+                    }
+                }
+                break;
+            }
+
+            case MotionEvent.ACTION_CANCEL:
+            case MotionEvent.ACTION_UP:
+                // Release the drag
+                mTouchState = TOUCH_STATE_REST;
+                mAllowLongPress = false;
+                mActivePointerId = INVALID_POINTER;
+
+                break;
+
+            case MotionEvent.ACTION_POINTER_UP:
+                onSecondaryPointerUp(ev);
+                break;
+        }
+
+        /*
+         * The only time we want to intercept motion events is if we are in the
+         * drag mode.
+         */
+        return mTouchState != TOUCH_STATE_REST;
+    }
+
+    /*
+     * Determines if we should change the touch state to start scrolling after the
+     * user moves their touch point too far.
+     */
+    private void determineScrollingStart(MotionEvent ev) {
+        /*
+         * Locally do absolute value. mLastMotionX is set to the y value
+         * of the down event.
+         */
+        final int pointerIndex = ev.findPointerIndex(mActivePointerId);
+        final float x = ev.getX(pointerIndex);
+        final float y = ev.getY(pointerIndex);
+        final int xDiff = (int) Math.abs(x - mLastMotionX);
+        final int yDiff = (int) Math.abs(y - mLastMotionY);
+
+        final int touchSlop = mTouchSlop;
+        boolean xPaged = xDiff > mPagingTouchSlop;
+        boolean xMoved = xDiff > touchSlop;
+        boolean yMoved = yDiff > touchSlop;
+
+        if (xMoved || yMoved) {
+            if (xPaged) {
+                // Scroll if the user moved far enough along the X axis
+                mTouchState = TOUCH_STATE_SCROLLING;
+                mLastMotionX = x;
+            }
+            // Either way, cancel any pending longpress
+            if (mAllowLongPress) {
+                mAllowLongPress = false;
+                // Try canceling the long press. It could also have been scheduled
+                // by a distant descendant, so use the mAllowLongPress flag to block
+                // everything
+                final View currentScreen = getScreenAt(mCurrentScreen);
+                currentScreen.cancelLongPress();
+            }
+        }
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent ev) {
+        if (mVelocityTracker == null) {
+            mVelocityTracker = VelocityTracker.obtain();
+        }
+        mVelocityTracker.addMovement(ev);
+
+        final int action = ev.getAction();
+
+        switch (action & MotionEvent.ACTION_MASK) {
+        case MotionEvent.ACTION_DOWN:
+            /*
+             * If being flinged and user touches, stop the fling. isFinished
+             * will be false if being flinged.
+             */
+            if (!mScroller.isFinished()) {
+                mScroller.abortAnimation();
+            }
+
+            // Remember where the motion event started
+            mDownMotionX = mLastMotionX = ev.getX();
+            mActivePointerId = ev.getPointerId(0);
+            break;
+
+        case MotionEvent.ACTION_MOVE:
+            if (mTouchState == TOUCH_STATE_SCROLLING) {
+                // Scroll to follow the motion event
+                final int pointerIndex = ev.findPointerIndex(mActivePointerId);
+                final float x = ev.getX(pointerIndex);
+                final int deltaX = (int) (mLastMotionX - x);
+                mLastMotionX = x;
+
+                int sx = getScrollX();
+                if (deltaX < 0) {
+                    if (sx > 0) {
+                        scrollBy(Math.max(-sx, deltaX), 0);
+                    }
+                } else if (deltaX > 0) {
+                    final int lastChildIndex = getChildCount() - 1;
+                    final int availableToScroll = getChildOffset(lastChildIndex) -
+                        getRelativeChildOffset(lastChildIndex) - sx;
+                    if (availableToScroll > 0) {
+                        scrollBy(Math.min(availableToScroll, deltaX), 0);
+                    }
+                } else {
+                    awakenScrollBars();
+                }
+            } else if ((mTouchState == TOUCH_STATE_PREV_PAGE) ||
+                    (mTouchState == TOUCH_STATE_NEXT_PAGE)) {
+                determineScrollingStart(ev);
+            }
+            break;
+
+        case MotionEvent.ACTION_UP:
+            if (mTouchState == TOUCH_STATE_SCROLLING) {
+                final int activePointerId = mActivePointerId;
+                final int pointerIndex = ev.findPointerIndex(activePointerId);
+                final float x = ev.getX(pointerIndex);
+                final VelocityTracker velocityTracker = mVelocityTracker;
+                velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
+                int velocityX = (int) velocityTracker.getXVelocity(activePointerId);
+                boolean isfling = Math.abs(mDownMotionX - x) > MIN_LENGTH_FOR_FLING;
+
+                if (isfling && velocityX > SNAP_VELOCITY && mCurrentScreen > 0) {
+                    snapToScreen(mCurrentScreen - 1);
+                } else if (isfling && velocityX < -SNAP_VELOCITY &&
+                        mCurrentScreen < getChildCount() - 1) {
+                    snapToScreen(mCurrentScreen + 1);
+                } else {
+                    snapToDestination();
+                }
+
+                if (mVelocityTracker != null) {
+                    mVelocityTracker.recycle();
+                    mVelocityTracker = null;
+                }
+            } else if (mTouchState == TOUCH_STATE_PREV_PAGE) {
+                // at this point we have not moved beyond the touch slop
+                // (otherwise mTouchState would be TOUCH_STATE_SCROLLING), so
+                // we can just page
+                int nextScreen = Math.max(0, mCurrentScreen - 1);
+                if (nextScreen != mCurrentScreen) {
+                    snapToScreen(nextScreen);
+                } else {
+                    snapToDestination();
+                }
+            } else if (mTouchState == TOUCH_STATE_NEXT_PAGE) {
+                // at this point we have not moved beyond the touch slop
+                // (otherwise mTouchState would be TOUCH_STATE_SCROLLING), so
+                // we can just page
+                int nextScreen = Math.min(getChildCount() - 1, mCurrentScreen + 1);
+                if (nextScreen != mCurrentScreen) {
+                    snapToScreen(nextScreen);
+                } else {
+                    snapToDestination();
+                }
+            }
+            mTouchState = TOUCH_STATE_REST;
+            mActivePointerId = INVALID_POINTER;
+            break;
+
+        case MotionEvent.ACTION_CANCEL:
+            mTouchState = TOUCH_STATE_REST;
+            mActivePointerId = INVALID_POINTER;
+            break;
+
+        case MotionEvent.ACTION_POINTER_UP:
+            onSecondaryPointerUp(ev);
+            break;
+        }
+
+        return true;
+    }
+
+    private void onSecondaryPointerUp(MotionEvent ev) {
+        final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >>
+                MotionEvent.ACTION_POINTER_INDEX_SHIFT;
+        final int pointerId = ev.getPointerId(pointerIndex);
+        if (pointerId == mActivePointerId) {
+            // This was our active pointer going up. Choose a new
+            // active pointer and adjust accordingly.
+            // TODO: Make this decision more intelligent.
+            final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
+            mLastMotionX = mDownMotionX = ev.getX(newPointerIndex);
+            mLastMotionY = ev.getY(newPointerIndex);
+            mActivePointerId = ev.getPointerId(newPointerIndex);
+            if (mVelocityTracker != null) {
+                mVelocityTracker.clear();
+            }
+        }
+    }
+
+    @Override
+    public void requestChildFocus(View child, View focused) {
+        super.requestChildFocus(child, focused);
+        int screen = indexOfChild(child);
+        if (screen >= 0 && !isInTouchMode()) {
+            snapToScreen(screen);
+        }
+    }
+
+    protected int getRelativeChildOffset(int index) {
+        return (getMeasuredWidth() - getChildAt(index).getMeasuredWidth()) / 2;
+    }
+
+    protected int getChildOffset(int index) {
+        if (getChildCount() == 0)
+            return 0;
+
+        int offset = getRelativeChildOffset(0);
+        for (int i = 0; i < index; ++i) {
+            offset += getChildAt(i).getMeasuredWidth();
+        }
+        return offset;
+    }
+
+    protected void snapToDestination() {
+        int minDistanceFromScreenCenter = getMeasuredWidth();
+        int minDistanceFromScreenCenterIndex = -1;
+        int screenCenter = mScrollX + (getMeasuredWidth() / 2);
+        final int childCount = getChildCount();
+        for (int i = 0; i < childCount; ++i) {
+            PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(i);
+            int childWidth = layout.getMeasuredWidth();
+            int halfChildWidth = (childWidth / 2);
+            int childCenter = getChildOffset(i) + halfChildWidth;
+            int distanceFromScreenCenter = Math.abs(childCenter - screenCenter);
+            if (distanceFromScreenCenter < minDistanceFromScreenCenter) {
+                minDistanceFromScreenCenter = distanceFromScreenCenter;
+                minDistanceFromScreenCenterIndex = i;
+            }
+        }
+        snapToScreen(minDistanceFromScreenCenterIndex, 1000);
+    }
+
+    void snapToScreen(int whichScreen) {
+        snapToScreen(whichScreen, 1000);
+    }
+
+    void snapToScreen(int whichScreen, int duration) {
+        whichScreen = Math.max(0, Math.min(whichScreen, getScreenCount() - 1));
+
+        mNextScreen = whichScreen;
+
+        int newX = getChildOffset(whichScreen) - getRelativeChildOffset(whichScreen);
+        final int sX = getScrollX();
+        final int delta = newX - sX;
+        awakenScrollBars(duration);
+        if (duration == 0) {
+            duration = Math.abs(delta);
+        }
+
+        if (!mScroller.isFinished()) mScroller.abortAnimation();
+        mScroller.startScroll(sX, 0, delta, 0, duration);
+        invalidate();
+    }
+
+    @Override
+    protected Parcelable onSaveInstanceState() {
+        final SavedState state = new SavedState(super.onSaveInstanceState());
+        state.currentScreen = mCurrentScreen;
+        return state;
+    }
+
+    @Override
+    protected void onRestoreInstanceState(Parcelable state) {
+        SavedState savedState = (SavedState) state;
+        super.onRestoreInstanceState(savedState.getSuperState());
+        if (savedState.currentScreen != -1) {
+            mCurrentScreen = savedState.currentScreen;
+        }
+    }
+
+    public void scrollLeft() {
+        if (mScroller.isFinished()) {
+            if (mCurrentScreen > 0) snapToScreen(mCurrentScreen - 1);
+        } else {
+            if (mNextScreen > 0) snapToScreen(mNextScreen - 1);
+        }
+    }
+
+    public void scrollRight() {
+        if (mScroller.isFinished()) {
+            if (mCurrentScreen < getChildCount() -1) snapToScreen(mCurrentScreen + 1);
+        } else {
+            if (mNextScreen < getChildCount() -1) snapToScreen(mNextScreen + 1);
+        }
+    }
+
+    public int getScreenForView(View v) {
+        int result = -1;
+        if (v != null) {
+            ViewParent vp = v.getParent();
+            int count = getChildCount();
+            for (int i = 0; i < count; i++) {
+                if (vp == getChildAt(i)) {
+                    return i;
+                }
+            }
+        }
+        return result;
+    }
+
+    /**
+     * @return True is long presses are still allowed for the current touch
+     */
+    public boolean allowLongPress() {
+        return mAllowLongPress;
+    }
+
+    public static class SavedState extends BaseSavedState {
+        int currentScreen = -1;
+
+        SavedState(Parcelable superState) {
+            super(superState);
+        }
+
+        private SavedState(Parcel in) {
+            super(in);
+            currentScreen = in.readInt();
+        }
+
+        @Override
+        public void writeToParcel(Parcel out, int flags) {
+            super.writeToParcel(out, flags);
+            out.writeInt(currentScreen);
+        }
+
+        public static final Parcelable.Creator<SavedState> CREATOR =
+                new Parcelable.Creator<SavedState>() {
+            public SavedState createFromParcel(Parcel in) {
+                return new SavedState(in);
+            }
+
+            public SavedState[] newArray(int size) {
+                return new SavedState[size];
+            }
+        };
+    }
+
+    public abstract void syncPages();
+    public abstract void syncPageItems(int page);
+    public void invalidatePageData() {
+        syncPages();
+        for (int i = 0; i < getChildCount(); ++i) {
+            syncPageItems(i);
+        }
+        invalidateDimmedPages();
+        requestLayout();
+    }
+}
diff --git a/src/com/android/launcher2/PagedViewCellLayout.java b/src/com/android/launcher2/PagedViewCellLayout.java
new file mode 100644
index 0000000..6c9ff6d
--- /dev/null
+++ b/src/com/android/launcher2/PagedViewCellLayout.java
@@ -0,0 +1,447 @@
+/*
+ * Copyright (C) 2010 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.launcher2;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewDebug;
+import android.view.ViewGroup;
+
+/**
+ * An abstraction of the original CellLayout which supports laying out items
+ * which span multiple cells into a grid-like layout.  Also supports dimming
+ * to give a preview of its contents.
+ */
+public class PagedViewCellLayout extends ViewGroup {
+    public interface DimmedBitmapSetupListener {
+        public void onPreUpdateDimmedBitmap(PagedViewCellLayout layout);
+        public void onPostUpdateDimmedBitmap(PagedViewCellLayout layout);
+    }
+
+    static final String TAG = "PagedViewCellLayout";
+
+    // we make the dimmed bitmap smaller than the screen itself for memory + perf reasons
+    static final float DIMMED_BITMAP_SCALE = 0.75f;
+
+    // a dimmed version of the layout for rendering when in the periphery
+    private Bitmap mDimmedBitmap;
+    private Canvas mDimmedBitmapCanvas;
+    private float mDimmedBitmapAlpha;
+    private boolean mDimmedBitmapDirty;
+    private final Paint mDimmedBitmapPaint = new Paint();
+    private final Rect mLayoutRect = new Rect();
+    private final Rect mDimmedBitmapRect = new Rect();
+
+    private int mCellCountX;
+    private int mCellCountY;
+    private int mCellWidth;
+    private int mCellHeight;
+    private static int sDefaultCellDimensions = 96;
+
+    private DimmedBitmapSetupListener mDimmedBitmapSetupListener;
+
+    public PagedViewCellLayout(Context context) {
+        this(context, null);
+    }
+
+    public PagedViewCellLayout(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public PagedViewCellLayout(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+
+        // enable drawing if we have to display a dimmed version of this layout
+        setWillNotDraw(false);
+        setAlwaysDrawnWithCacheEnabled(false);
+
+        // setup default cell parameters
+        mCellWidth = mCellHeight = sDefaultCellDimensions;
+        mCellCountX = LauncherModel.getCellCountX();
+        mCellCountY = LauncherModel.getCellCountY();
+
+        mDimmedBitmapPaint.setFilterBitmap(true);
+    }
+
+    public void setDimmedBitmapSetupListener(DimmedBitmapSetupListener listener) {
+        mDimmedBitmapSetupListener = listener;
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+
+        if (mDimmedBitmap != null && mDimmedBitmapAlpha > 0.0f) {
+            if (mDimmedBitmapDirty) {
+                updateDimmedBitmap();
+                mDimmedBitmapDirty = false;
+            }
+            mDimmedBitmapPaint.setAlpha((int) (mDimmedBitmapAlpha * 255));
+
+            canvas.drawBitmap(mDimmedBitmap, mDimmedBitmapRect, mLayoutRect, mDimmedBitmapPaint);
+        }
+    }
+
+    @Override
+    public void cancelLongPress() {
+        super.cancelLongPress();
+
+        // Cancel long press for all children
+        final int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            final View child = getChildAt(i);
+            child.cancelLongPress();
+        }
+    }
+
+    public boolean addViewToCellLayout(View child, int index, int childId,
+            PagedViewCellLayout.LayoutParams params) {
+        final PagedViewCellLayout.LayoutParams lp = params;
+
+        // Generate an id for each view, this assumes we have at most 256x256 cells
+        // per workspace screen
+        if (lp.cellX >= 0 && lp.cellX <= (mCellCountX - 1) &&
+                lp.cellY >= 0 && (lp.cellY <= mCellCountY - 1)) {
+            // If the horizontal or vertical span is set to -1, it is taken to
+            // mean that it spans the extent of the CellLayout
+            if (lp.cellHSpan < 0) lp.cellHSpan = mCellCountX;
+            if (lp.cellVSpan < 0) lp.cellVSpan = mCellCountY;
+
+            child.setId(childId);
+
+            // We might be in the middle or end of shrinking/fading to a dimmed view
+            // Make sure this view's alpha is set the same as all the rest of the views
+            child.setAlpha(1.0f - mDimmedBitmapAlpha);
+
+            addView(child, index, lp);
+
+            // next time we draw the dimmed bitmap we need to update it
+            mDimmedBitmapDirty = true;
+            invalidate();
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public void removeView(View view) {
+        super.removeView(view);
+
+        // next time we draw the dimmed bitmap we need to update it
+        mDimmedBitmapDirty = true;
+        invalidate();
+    }
+
+    @Override
+    public void requestChildFocus(View child, View focused) {
+        super.requestChildFocus(child, focused);
+        if (child != null) {
+            Rect r = new Rect();
+            child.getDrawingRect(r);
+            requestRectangleOnScreen(r);
+        }
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        // TODO: currently ignoring padding
+
+        int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);
+        int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec);
+
+        int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
+        int heightSpecSize =  MeasureSpec.getSize(heightMeasureSpec);
+
+        if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) {
+            throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions");
+        }
+
+        final int cellWidth = mCellWidth;
+        final int cellHeight = mCellHeight;
+
+        int numWidthGaps = mCellCountX - 1;
+        int numHeightGaps = mCellCountY - 1;
+
+        int vSpaceLeft = heightSpecSize - mPaddingTop
+                - mPaddingBottom - (cellHeight * mCellCountY);
+        int heightGap = vSpaceLeft / numHeightGaps;
+
+        int hSpaceLeft = widthSpecSize - mPaddingLeft
+                - mPaddingRight - (cellWidth * mCellCountX);
+        int widthGap = hSpaceLeft / numWidthGaps;
+
+        // center it around the min gaps
+        int minGap = Math.min(widthGap, heightGap);
+        int paddingLeft = mPaddingLeft;
+        int paddingTop = mPaddingTop;
+        /*
+        if (minGap < heightGap) {
+            // vertical space has shrunken, so change padding accordingly
+            paddingTop += ((heightGap - minGap) * (mCellCountY - 1)) / 2;
+        } else if (minGap < widthGap) {
+            // horizontal space has shrunken, so change padding accordingly
+            paddingLeft += ((widthGap - minGap) * (mCellCountX - 1)) / 2;
+        }
+        */
+        widthGap = heightGap = minGap;
+
+        int newWidth = mPaddingLeft + mPaddingRight + (mCellCountX * cellWidth) +
+            ((mCellCountX - 1) * minGap);
+        int newHeight = mPaddingTop + mPaddingBottom + (mCellCountY * cellHeight) +
+            ((mCellCountY - 1) * minGap);
+
+        final int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            View child = getChildAt(i);
+            PagedViewCellLayout.LayoutParams lp =
+                (PagedViewCellLayout.LayoutParams) child.getLayoutParams();
+            lp.setup(cellWidth, cellHeight, widthGap, heightGap,
+                    paddingLeft, paddingTop);
+
+            int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(lp.width,
+                    MeasureSpec.EXACTLY);
+            int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(lp.height,
+                    MeasureSpec.EXACTLY);
+
+            child.measure(childWidthMeasureSpec, childheightMeasureSpec);
+        }
+
+        setMeasuredDimension(newWidth, newHeight);
+    }
+
+    @Override
+    protected void onLayout(boolean changed, int l, int t, int r, int b) {
+        int count = getChildCount();
+
+        for (int i = 0; i < count; i++) {
+            View child = getChildAt(i);
+            if (child.getVisibility() != GONE) {
+                PagedViewCellLayout.LayoutParams lp =
+                    (PagedViewCellLayout.LayoutParams) child.getLayoutParams();
+
+                int childLeft = lp.x;
+                int childTop = lp.y;
+                child.layout(childLeft, childTop, childLeft + lp.width, childTop + lp.height);
+            }
+        }
+    }
+
+    @Override
+    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        super.onSizeChanged(w, h, oldw, oldh);
+        mLayoutRect.set(0, 0, w, h);
+        mDimmedBitmapRect.set(0, 0, (int) (DIMMED_BITMAP_SCALE * w), (int) (DIMMED_BITMAP_SCALE * h));
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        return super.onTouchEvent(event) || true;
+    }
+
+    @Override
+    protected void setChildrenDrawingCacheEnabled(boolean enabled) {
+        final int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            final View view = getChildAt(i);
+            view.setDrawingCacheEnabled(enabled);
+            // Update the drawing caches
+            view.buildDrawingCache(true);
+        }
+    }
+
+    public void setCellCount(int xCount, int yCount) {
+        mCellCountX = xCount;
+        mCellCountY = yCount;
+        requestLayout();
+    }
+
+    public float getDimmedBitmapAlpha() {
+        return mDimmedBitmapAlpha;
+    }
+
+    public void setDimmedBitmapAlpha(float alpha) {
+        // If we're dimming the screen after it was not dimmed, refresh
+        // to allow for updated widgets. We don't continually refresh it
+        // after this point, however, as an optimization
+        if (mDimmedBitmapAlpha == 0.0f && alpha > 0.0f) {
+            updateDimmedBitmap();
+        }
+        mDimmedBitmapAlpha = alpha;
+        setChildrenAlpha(1.0f - mDimmedBitmapAlpha);
+    }
+
+    public void updateDimmedBitmap() {
+        if (mDimmedBitmapSetupListener != null) {
+            mDimmedBitmapSetupListener.onPreUpdateDimmedBitmap(this);
+        }
+
+        if (mDimmedBitmap == null) {
+            mDimmedBitmap = Bitmap.createBitmap((int) (getWidth() * DIMMED_BITMAP_SCALE),
+                    (int) (getHeight() * DIMMED_BITMAP_SCALE), Bitmap.Config.ARGB_8888);
+            mDimmedBitmapCanvas = new Canvas(mDimmedBitmap);
+            mDimmedBitmapCanvas.scale(DIMMED_BITMAP_SCALE, DIMMED_BITMAP_SCALE);
+        }
+        // clear the canvas
+        mDimmedBitmapCanvas.drawColor(0x00000000, PorterDuff.Mode.CLEAR);
+
+        // draw the screen into the bitmap
+        // just for drawing to the bitmap, make all the items on the screen opaque
+        setChildrenAlpha(1.0f);
+        dispatchDraw(mDimmedBitmapCanvas);
+        setChildrenAlpha(1.0f - mDimmedBitmapAlpha);
+
+        // make the bitmap 'dimmed' ie colored regions are dark grey,
+        // the rest is light grey
+        // We draw grey to the whole bitmap, but filter where we draw based on
+        // what regions are transparent or not (SRC_OUT), causing the intended effect
+
+        // First, draw light grey everywhere in the background (currently transparent) regions
+        // This will leave the regions with the widgets as mostly transparent
+        mDimmedBitmapCanvas.drawColor(Color.argb(80, 0, 0, 0), PorterDuff.Mode.SRC_IN);
+
+        if (mDimmedBitmapSetupListener != null) {
+            mDimmedBitmapSetupListener.onPostUpdateDimmedBitmap(this);
+        }
+    }
+
+    private void setChildrenAlpha(float alpha) {
+        for (int i = 0; i < getChildCount(); i++) {
+            getChildAt(i).setAlpha(alpha);
+        }
+    }
+
+    /**
+     * Start dragging the specified child
+     *
+     * @param child The child that is being dragged
+     */
+    void onDragChild(View child) {
+        PagedViewCellLayout.LayoutParams lp = (PagedViewCellLayout.LayoutParams) child.getLayoutParams();
+        lp.isDragging = true;
+    }
+
+    @Override
+    public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) {
+        return new PagedViewCellLayout.LayoutParams(getContext(), attrs);
+    }
+
+    @Override
+    protected boolean checkLayoutParams(ViewGroup.LayoutParams p) {
+        return p instanceof PagedViewCellLayout.LayoutParams;
+    }
+
+    @Override
+    protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) {
+        return new PagedViewCellLayout.LayoutParams(p);
+    }
+
+    public static class LayoutParams extends ViewGroup.MarginLayoutParams {
+        /**
+         * Horizontal location of the item in the grid.
+         */
+        @ViewDebug.ExportedProperty
+        public int cellX;
+
+        /**
+         * Vertical location of the item in the grid.
+         */
+        @ViewDebug.ExportedProperty
+        public int cellY;
+
+        /**
+         * Number of cells spanned horizontally by the item.
+         */
+        @ViewDebug.ExportedProperty
+        public int cellHSpan;
+
+        /**
+         * Number of cells spanned vertically by the item.
+         */
+        @ViewDebug.ExportedProperty
+        public int cellVSpan;
+
+        /**
+         * Is this item currently being dragged
+         */
+        public boolean isDragging;
+
+        // X coordinate of the view in the layout.
+        @ViewDebug.ExportedProperty
+        int x;
+        // Y coordinate of the view in the layout.
+        @ViewDebug.ExportedProperty
+        int y;
+
+        public LayoutParams(Context c, AttributeSet attrs) {
+            super(c, attrs);
+            cellHSpan = 1;
+            cellVSpan = 1;
+        }
+
+        public LayoutParams(ViewGroup.LayoutParams source) {
+            super(source);
+            cellHSpan = 1;
+            cellVSpan = 1;
+        }
+
+        public LayoutParams(LayoutParams source) {
+            super(source);
+            this.cellX = source.cellX;
+            this.cellY = source.cellY;
+            this.cellHSpan = source.cellHSpan;
+            this.cellVSpan = source.cellVSpan;
+        }
+
+        public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) {
+            super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
+            this.cellX = cellX;
+            this.cellY = cellY;
+            this.cellHSpan = cellHSpan;
+            this.cellVSpan = cellVSpan;
+        }
+
+        public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap,
+                int hStartPadding, int vStartPadding) {
+
+            final int myCellHSpan = cellHSpan;
+            final int myCellVSpan = cellVSpan;
+            final int myCellX = cellX;
+            final int myCellY = cellY;
+
+            width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) -
+                    leftMargin - rightMargin;
+            height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) -
+                    topMargin - bottomMargin;
+
+            x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin;
+            y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin;
+        }
+
+        public String toString() {
+            return "(" + this.cellX + ", " + this.cellY + ")";
+        }
+    }
+}