diff --git a/WallpaperPicker/res/layout/wallpaper_cropper.xml b/WallpaperPicker/res/layout/wallpaper_cropper.xml
index abb8608..ffe8df0 100644
--- a/WallpaperPicker/res/layout/wallpaper_cropper.xml
+++ b/WallpaperPicker/res/layout/wallpaper_cropper.xml
@@ -19,7 +19,6 @@
 -->
 
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/wallpaper_root"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
     <com.android.launcher3.CropView
@@ -28,7 +27,7 @@
         android:layout_height="match_parent" />
     <ProgressBar
         android:id="@+id/loading"
-        style="@android:style/Widget.Holo.ProgressBar.Large"
+        style="?android:attr/progressBarStyleLarge"
         android:visibility="invisible"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
diff --git a/WallpaperPicker/res/layout/wallpaper_picker.xml b/WallpaperPicker/res/layout/wallpaper_picker.xml
index c36493d..0b970b0 100644
--- a/WallpaperPicker/res/layout/wallpaper_picker.xml
+++ b/WallpaperPicker/res/layout/wallpaper_picker.xml
@@ -18,60 +18,74 @@
 */
 -->
 
-<com.android.launcher3.WallpaperRootView
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/wallpaper_root"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:launcher="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent" >
+
     <com.android.launcher3.CropView
         android:id="@+id/cropView"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
+
     <ProgressBar
         android:id="@+id/loading"
-        style="@android:style/Widget.Holo.ProgressBar.Large"
-        android:visibility="invisible"
+        style="?android:attr/progressBarStyleLarge"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_centerInParent="true"
+        android:layout_gravity="center"
         android:indeterminate="true"
         android:indeterminateOnly="true"
-        android:background="@android:color/transparent" />
+        android:visibility="invisible" />
+
     <LinearLayout
         android:id="@+id/wallpaper_strip"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_alignParentBottom="true"
+        android:layout_gravity="bottom"
+        android:fitsSystemWindows="true"
         android:orientation="vertical" >
+
         <View
             android:layout_width="match_parent"
             android:layout_height="2dp"
             android:background="@drawable/tile_shadow_top" />
+
         <HorizontalScrollView
             android:id="@+id/wallpaper_scroll_container"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" >
-            <LinearLayout android:id="@+id/master_wallpaper_list"
+
+            <LinearLayout
+                android:id="@+id/master_wallpaper_list"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:orientation="horizontal" >
-                <LinearLayout android:id="@+id/wallpaper_list"
+
+                <LinearLayout
+                    android:id="@+id/wallpaper_list"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:orientation="horizontal" />
-                <LinearLayout android:id="@+id/live_wallpaper_list"
+
+                <LinearLayout
+                    android:id="@+id/live_wallpaper_list"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:orientation="horizontal" />
-                <LinearLayout android:id="@+id/third_party_wallpaper_list"
+
+                <LinearLayout
+                    android:id="@+id/third_party_wallpaper_list"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:orientation="horizontal" />
             </LinearLayout>
         </HorizontalScrollView>
+
         <View
             android:layout_width="match_parent"
             android:layout_height="2dp"
             android:background="@drawable/tile_shadow_bottom" />
     </LinearLayout>
-</com.android.launcher3.WallpaperRootView>
+
+</FrameLayout>
\ No newline at end of file
diff --git a/WallpaperPicker/res/layout/wallpaper_picker_image_picker_item.xml b/WallpaperPicker/res/layout/wallpaper_picker_image_picker_item.xml
index ae3c43d..dc65244 100644
--- a/WallpaperPicker/res/layout/wallpaper_picker_image_picker_item.xml
+++ b/WallpaperPicker/res/layout/wallpaper_picker_image_picker_item.xml
@@ -20,7 +20,6 @@
     android:layout_height="@dimen/wallpaperThumbnailHeight"
     android:focusable="true"
     android:clickable="true"
-    android:background="@drawable/wallpaper_tile_fg"
     android:foreground="@drawable/wallpaper_tile_fg">
     <ImageView
         android:id="@+id/wallpaper_image"
diff --git a/WallpaperPicker/res/layout/wallpaper_picker_item.xml b/WallpaperPicker/res/layout/wallpaper_picker_item.xml
index 0ac8f97..3f57fcd 100644
--- a/WallpaperPicker/res/layout/wallpaper_picker_item.xml
+++ b/WallpaperPicker/res/layout/wallpaper_picker_item.xml
@@ -20,7 +20,6 @@
     android:layout_height="@dimen/wallpaperThumbnailHeight"
     android:focusable="true"
     android:clickable="true"
-    android:background="@drawable/wallpaper_tile_fg"
     android:foreground="@drawable/wallpaper_tile_fg">
     <ImageView
         android:id="@+id/wallpaper_image"
diff --git a/WallpaperPicker/res/layout/wallpaper_picker_live_wallpaper_item.xml b/WallpaperPicker/res/layout/wallpaper_picker_live_wallpaper_item.xml
index 29fdb1b..2b152fc 100644
--- a/WallpaperPicker/res/layout/wallpaper_picker_live_wallpaper_item.xml
+++ b/WallpaperPicker/res/layout/wallpaper_picker_live_wallpaper_item.xml
@@ -20,7 +20,6 @@
     android:layout_height="@dimen/wallpaperThumbnailHeight"
     android:focusable="true"
     android:clickable="true"
-    android:background="@drawable/wallpaper_tile_fg"
     android:foreground="@drawable/wallpaper_tile_fg">
     <ImageView
         android:id="@+id/wallpaper_image"
diff --git a/WallpaperPicker/res/layout/wallpaper_picker_third_party_item.xml b/WallpaperPicker/res/layout/wallpaper_picker_third_party_item.xml
index 68661bc..a7e3a0c 100644
--- a/WallpaperPicker/res/layout/wallpaper_picker_third_party_item.xml
+++ b/WallpaperPicker/res/layout/wallpaper_picker_third_party_item.xml
@@ -20,7 +20,6 @@
     android:layout_height="@dimen/wallpaperThumbnailHeight"
     android:focusable="true"
     android:clickable="true"
-    android:background="@drawable/wallpaper_tile_fg"
     android:foreground="@drawable/wallpaper_tile_fg">
     <ImageView
         android:id="@+id/wallpaper_image"
diff --git a/WallpaperPicker/res/values-sw720dp-v19/styles.xml b/WallpaperPicker/res/values-sw720dp-v19/styles.xml
index 9107851..d8dab22 100644
--- a/WallpaperPicker/res/values-sw720dp-v19/styles.xml
+++ b/WallpaperPicker/res/values-sw720dp-v19/styles.xml
@@ -18,7 +18,7 @@
 -->
 
 <resources>
-    <style name="Theme" parent="android:Theme.Holo.Wallpaper.NoTitleBar">
+    <style name="Theme" parent="@android:style/Theme.DeviceDefault.Wallpaper.NoTitleBar">
         <item name="android:windowActionModeOverlay">true</item>
         <item name="android:windowTranslucentStatus">true</item>
         <item name="android:windowTranslucentNavigation">true</item>
diff --git a/WallpaperPicker/res/values-sw720dp/styles.xml b/WallpaperPicker/res/values-sw720dp/styles.xml
index b489090..12f8884 100644
--- a/WallpaperPicker/res/values-sw720dp/styles.xml
+++ b/WallpaperPicker/res/values-sw720dp/styles.xml
@@ -18,7 +18,7 @@
 -->
 
 <resources>
-    <style name="Theme" parent="android:Theme.Holo.Wallpaper.NoTitleBar">
+    <style name="Theme" parent="@android:style/Theme.DeviceDefault.Wallpaper.NoTitleBar">
         <item name="android:windowActionModeOverlay">true</item>
     </style>
 </resources>
diff --git a/WallpaperPicker/src/com/android/launcher3/LiveWallpaperListAdapter.java b/WallpaperPicker/src/com/android/launcher3/LiveWallpaperListAdapter.java
index 0a9050c..72f2d7e 100644
--- a/WallpaperPicker/src/com/android/launcher3/LiveWallpaperListAdapter.java
+++ b/WallpaperPicker/src/com/android/launcher3/LiveWallpaperListAdapter.java
@@ -90,8 +90,6 @@
             view = convertView;
         }
 
-        WallpaperPickerActivity.setWallpaperItemPaddingToZero((FrameLayout) view);
-
         LiveWallpaperTile wallpaperInfo = mWallpapers.get(position);
         wallpaperInfo.setView(view);
         ImageView image = (ImageView) view.findViewById(R.id.wallpaper_image);
diff --git a/WallpaperPicker/src/com/android/launcher3/ThirdPartyWallpaperPickerListAdapter.java b/WallpaperPicker/src/com/android/launcher3/ThirdPartyWallpaperPickerListAdapter.java
index 7a4d48c..27e65aa 100644
--- a/WallpaperPicker/src/com/android/launcher3/ThirdPartyWallpaperPickerListAdapter.java
+++ b/WallpaperPicker/src/com/android/launcher3/ThirdPartyWallpaperPickerListAdapter.java
@@ -126,8 +126,6 @@
             view = convertView;
         }
 
-        WallpaperPickerActivity.setWallpaperItemPaddingToZero((FrameLayout) view);
-
         ResolveInfo info = mThirdPartyWallpaperPickers.get(position).mResolveInfo;
         TextView label = (TextView) view.findViewById(R.id.wallpaper_item_label);
         label.setText(info.loadLabel(mPackageManager));
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
index cbed61b..d16fc31 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -34,11 +34,9 @@
 import android.graphics.Matrix;
 import android.graphics.Point;
 import android.graphics.PorterDuff;
-import android.graphics.Rect;
 import android.graphics.RectF;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
-import android.graphics.drawable.LevelListDrawable;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Build;
@@ -95,7 +93,7 @@
     private OnClickListener mThumbnailOnClickListener;
 
     private LinearLayout mWallpapersView;
-    private View mWallpaperStrip;
+    private HorizontalScrollView mWallpaperScrollContainer;
 
     private ActionMode.Callback mActionModeCallback;
     private ActionMode mActionMode;
@@ -313,10 +311,6 @@
         }
     }
 
-    public void setWallpaperStripYOffset(float offset) {
-        mWallpaperStrip.setPadding(0, 0, 0, (int) offset);
-    }
-
     /**
      * shows the system wallpaper behind the window and hides the {@link
      * #mCropView} if visible
@@ -369,9 +363,7 @@
         mCropView.setVisibility(View.INVISIBLE);
 
         mProgressView = findViewById(R.id.loading);
-
-
-        mWallpaperStrip = findViewById(R.id.wallpaper_strip);
+        mWallpaperScrollContainer = (HorizontalScrollView) findViewById(R.id.wallpaper_scroll_container);
         mCropView.setTouchCallback(new CropView.TouchCallback() {
             ViewPropertyAnimator mAnim;
             @Override
@@ -379,15 +371,15 @@
                 if (mAnim != null) {
                     mAnim.cancel();
                 }
-                if (mWallpaperStrip.getAlpha() == 1f) {
+                if (mWallpaperScrollContainer.getAlpha() == 1f) {
                     mIgnoreNextTap = true;
                 }
-                mAnim = mWallpaperStrip.animate();
+                mAnim = mWallpaperScrollContainer.animate();
                 mAnim.alpha(0f)
                     .setDuration(150)
                     .withEndAction(new Runnable() {
                         public void run() {
-                            mWallpaperStrip.setVisibility(View.INVISIBLE);
+                            mWallpaperScrollContainer.setVisibility(View.INVISIBLE);
                         }
                     });
                 mAnim.setInterpolator(new AccelerateInterpolator(0.75f));
@@ -405,8 +397,8 @@
                     if (mAnim != null) {
                         mAnim.cancel();
                     }
-                    mWallpaperStrip.setVisibility(View.VISIBLE);
-                    mAnim = mWallpaperStrip.animate();
+                    mWallpaperScrollContainer.setVisibility(View.VISIBLE);
+                    mAnim = mWallpaperScrollContainer.animate();
                     mAnim.alpha(1f)
                          .setDuration(150)
                          .setInterpolator(new DecelerateInterpolator(0.75f));
@@ -487,7 +479,6 @@
         LinearLayout masterWallpaperList = (LinearLayout) findViewById(R.id.master_wallpaper_list);
         FrameLayout pickImageTile = (FrameLayout) getLayoutInflater().
                 inflate(R.layout.wallpaper_picker_image_picker_item, masterWallpaperList, false);
-        setWallpaperItemPaddingToZero(pickImageTile);
         masterWallpaperList.addView(pickImageTile, 0);
 
         // Make its background the last photo taken on external storage
@@ -659,17 +650,14 @@
     }
 
     private void initializeScrollForRtl() {
-        final HorizontalScrollView scroll =
-                (HorizontalScrollView) findViewById(R.id.wallpaper_scroll_container);
-
-        if (scroll.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) {
-            final ViewTreeObserver observer = scroll.getViewTreeObserver();
+        if (mWallpaperScrollContainer.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) {
+            final ViewTreeObserver observer = mWallpaperScrollContainer.getViewTreeObserver();
             observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
                 public void onGlobalLayout() {
                     LinearLayout masterWallpaperList =
                             (LinearLayout) findViewById(R.id.master_wallpaper_list);
-                    scroll.scrollTo(masterWallpaperList.getWidth(), 0);
-                    scroll.getViewTreeObserver().removeOnGlobalLayoutListener(this);
+                    mWallpaperScrollContainer.scrollTo(masterWallpaperList.getWidth(), 0);
+                    mWallpaperScrollContainer.getViewTreeObserver().removeOnGlobalLayoutListener(this);
                 }
             });
         }
@@ -696,10 +684,10 @@
 
     protected void onStop() {
         super.onStop();
-        mWallpaperStrip = findViewById(R.id.wallpaper_strip);
-        if (mWallpaperStrip.getAlpha() < 1f) {
-            mWallpaperStrip.setAlpha(1f);
-            mWallpaperStrip.setVisibility(View.VISIBLE);
+        mWallpaperScrollContainer = (HorizontalScrollView) findViewById(R.id.wallpaper_scroll_container);
+        if (mWallpaperScrollContainer.getAlpha() < 1f) {
+            mWallpaperScrollContainer.setAlpha(1f);
+            mWallpaperScrollContainer.setVisibility(View.VISIBLE);
         }
     }
 
@@ -823,7 +811,6 @@
         final FrameLayout pickedImageThumbnail = (FrameLayout) getLayoutInflater().
                 inflate(R.layout.wallpaper_picker_item, mWallpapersView, false);
         pickedImageThumbnail.setVisibility(View.GONE);
-        setWallpaperItemPaddingToZero(pickedImageThumbnail);
         mWallpapersView.addView(pickedImageThumbnail, 0);
 
         // Load the thumbnail
@@ -886,11 +873,6 @@
         }
     }
 
-    static void setWallpaperItemPaddingToZero(FrameLayout frameLayout) {
-        frameLayout.setPadding(0, 0, 0, 0);
-        frameLayout.setForeground(new ZeroPaddingDrawable(frameLayout.getForeground()));
-    }
-
     private void addLongPressHandler(View v) {
         v.setOnLongClickListener(mLongClickListener);
     }
@@ -1089,20 +1071,6 @@
         return mSavedImages;
     }
 
-    static class ZeroPaddingDrawable extends LevelListDrawable {
-        public ZeroPaddingDrawable(Drawable d) {
-            super();
-            addLevel(0, 0, d);
-            setLevel(0);
-        }
-
-        @Override
-        public boolean getPadding(Rect padding) {
-            padding.set(0, 0, 0, 0);
-            return true;
-        }
-    }
-
     private static class SimpleWallpapersAdapter extends ArrayAdapter<WallpaperTileInfo> {
         private final LayoutInflater mLayoutInflater;
 
@@ -1130,8 +1098,6 @@
             view = convertView;
         }
 
-        setWallpaperItemPaddingToZero((FrameLayout) view);
-
         ImageView image = (ImageView) view.findViewById(R.id.wallpaper_image);
 
         if (thumb != null) {
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperRootView.java b/WallpaperPicker/src/com/android/launcher3/WallpaperRootView.java
deleted file mode 100644
index ceaa043..0000000
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperRootView.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3;
-
-import android.content.Context;
-import android.graphics.Rect;
-import android.util.AttributeSet;
-import android.widget.RelativeLayout;
-
-public class WallpaperRootView extends RelativeLayout {
-    private final WallpaperPickerActivity a;
-    public WallpaperRootView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        a = (WallpaperPickerActivity) context;
-    }
-    public WallpaperRootView(Context context, AttributeSet attrs, int defStyle) {
-        super(context, attrs, defStyle);
-        a = (WallpaperPickerActivity) context;
-    }
-
-    protected boolean fitSystemWindows(Rect insets) {
-        a.setWallpaperStripYOffset(insets.bottom);
-        return true;
-    }
-}
diff --git a/src/com/android/launcher3/AllAppsList.java b/src/com/android/launcher3/AllAppsList.java
index 72c6693..5ed7a62 100644
--- a/src/com/android/launcher3/AllAppsList.java
+++ b/src/com/android/launcher3/AllAppsList.java
@@ -98,14 +98,14 @@
                 user);
 
         for (LauncherActivityInfoCompat info : matches) {
-            add(new AppInfo(context, info, user, mIconCache, null));
+            add(new AppInfo(context, info, user, mIconCache));
         }
     }
 
     /**
      * Remove the apps for the given apk identified by packageName.
      */
-    public void removePackage(String packageName, UserHandleCompat user, boolean clearCache) {
+    public void removePackage(String packageName, UserHandleCompat user) {
         final List<AppInfo> data = this.data;
         for (int i = data.size() - 1; i >= 0; i--) {
             AppInfo info = data.get(i);
@@ -115,9 +115,6 @@
                 data.remove(i);
             }
         }
-        if (clearCache) {
-            mIconCache.remove(packageName, user);
-        }
     }
 
     /**
@@ -137,7 +134,6 @@
                         && packageName.equals(component.getPackageName())) {
                     if (!findActivity(matches, component)) {
                         removed.add(applicationInfo);
-                        mIconCache.remove(component, user);
                         data.remove(i);
                     }
                 }
@@ -150,10 +146,9 @@
                         info.getComponentName().getPackageName(), user,
                         info.getComponentName().getClassName());
                 if (applicationInfo == null) {
-                    add(new AppInfo(context, info, user, mIconCache, null));
+                    add(new AppInfo(context, info, user, mIconCache));
                 } else {
-                    mIconCache.remove(applicationInfo.componentName, user);
-                    mIconCache.getTitleAndIcon(applicationInfo, info, null);
+                    mIconCache.getTitleAndIcon(applicationInfo, info);
                     modified.add(applicationInfo);
                 }
             }
diff --git a/src/com/android/launcher3/AppInfo.java b/src/com/android/launcher3/AppInfo.java
index a66bac0..455c6d1 100644
--- a/src/com/android/launcher3/AppInfo.java
+++ b/src/com/android/launcher3/AppInfo.java
@@ -19,19 +19,15 @@
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager.NameNotFoundException;
-import android.content.pm.ResolveInfo;
 import android.graphics.Bitmap;
 import android.util.Log;
 
 import com.android.launcher3.compat.LauncherActivityInfoCompat;
-import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.compat.UserHandleCompat;
+import com.android.launcher3.compat.UserManagerCompat;
 
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.HashMap;
 
 /**
  * Represents an app in AllAppsView.
@@ -77,13 +73,13 @@
      * Must not hold the Context.
      */
     public AppInfo(Context context, LauncherActivityInfoCompat info, UserHandleCompat user,
-            IconCache iconCache, HashMap<Object, CharSequence> labelCache) {
+            IconCache iconCache) {
         this.componentName = info.getComponentName();
         this.container = ItemInfo.NO_ID;
 
         flags = initFlags(info);
         firstInstallTime = info.getFirstInstallTime();
-        iconCache.getTitleAndIcon(this, info, labelCache);
+        iconCache.getTitleAndIcon(this, info);
         intent = makeLaunchIntent(context, info, user);
         this.user = user;
     }
diff --git a/src/com/android/launcher3/AppsCustomizePagedView.java b/src/com/android/launcher3/AppsCustomizePagedView.java
index 875cd21..c1aa19a 100644
--- a/src/com/android/launcher3/AppsCustomizePagedView.java
+++ b/src/com/android/launcher3/AppsCustomizePagedView.java
@@ -358,7 +358,7 @@
         super.onLayout(changed, l, t, r, b);
 
         if (!isDataReady()) {
-            if ((LauncherAppState.isDisableAllApps() || !mApps.isEmpty()) && !mWidgets.isEmpty()) {
+            if ((!mApps.isEmpty()) && !mWidgets.isEmpty()) {
                 post(new Runnable() {
                     // This code triggers requestLayout so must be posted outside of the
                     // layout pass.
@@ -1402,11 +1402,9 @@
     }
 
     public void setApps(ArrayList<AppInfo> list) {
-        if (!LauncherAppState.isDisableAllApps()) {
-            mApps = list;
-            Collections.sort(mApps, LauncherModel.getAppNameComparator());
-            updatePageCountsAndInvalidateData();
-        }
+        mApps = list;
+        Collections.sort(mApps, LauncherModel.getAppNameComparator());
+        updatePageCountsAndInvalidateData();
     }
 
     public ArrayList<AppInfo> getApps() {
@@ -1425,10 +1423,8 @@
         }
     }
     public void addApps(ArrayList<AppInfo> list) {
-        if (!LauncherAppState.isDisableAllApps()) {
-            addAppsWithoutInvalidate(list);
-            updatePageCountsAndInvalidateData();
-        }
+        addAppsWithoutInvalidate(list);
+        updatePageCountsAndInvalidateData();
     }
     private int findAppByComponent(List<AppInfo> list, AppInfo item) {
         ComponentName removeComponent = item.intent.getComponent();
@@ -1454,20 +1450,16 @@
         }
     }
     public void removeApps(ArrayList<AppInfo> appInfos) {
-        if (!LauncherAppState.isDisableAllApps()) {
-            removeAppsWithoutInvalidate(appInfos);
-            updatePageCountsAndInvalidateData();
-        }
+        removeAppsWithoutInvalidate(appInfos);
+        updatePageCountsAndInvalidateData();
     }
     public void updateApps(ArrayList<AppInfo> list) {
         // We remove and re-add the updated applications list because it's properties may have
         // changed (ie. the title), and this will ensure that the items will be in their proper
         // place in the list.
-        if (!LauncherAppState.isDisableAllApps()) {
-            removeAppsWithoutInvalidate(list);
-            addAppsWithoutInvalidate(list);
-            updatePageCountsAndInvalidateData();
-        }
+        removeAppsWithoutInvalidate(list);
+        addAppsWithoutInvalidate(list);
+        updatePageCountsAndInvalidateData();
     }
 
     public void reset() {
diff --git a/src/com/android/launcher3/DeleteDropTarget.java b/src/com/android/launcher3/DeleteDropTarget.java
index ebe874f..1ada1a9 100644
--- a/src/com/android/launcher3/DeleteDropTarget.java
+++ b/src/com/android/launcher3/DeleteDropTarget.java
@@ -144,13 +144,11 @@
                 return true;
             }
 
-            if (!LauncherAppState.isDisableAllApps() &&
-                    item.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
+            if (item.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
                 return true;
             }
 
-            if (!LauncherAppState.isDisableAllApps() &&
-                    item.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION &&
+            if (item.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION &&
                     item instanceof AppInfo) {
                 AppInfo appInfo = (AppInfo) info;
                 return (appInfo.flags & AppInfo.DOWNLOADED_FLAG) != 0;
@@ -158,12 +156,7 @@
 
             if (item.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION &&
                 item instanceof ShortcutInfo) {
-                if (LauncherAppState.isDisableAllApps()) {
-                    ShortcutInfo shortcutInfo = (ShortcutInfo) info;
-                    return (shortcutInfo.flags & AppInfo.DOWNLOADED_FLAG) != 0;
-                } else {
-                    return true;
-                }
+                return true;
             }
         }
         return false;
@@ -173,8 +166,7 @@
     @Override
     public void onDragStart(DragSource source, Object info, int dragAction) {
         boolean isVisible = true;
-        boolean useUninstallLabel = !LauncherAppState.isDisableAllApps() &&
-                isAllAppsApplication(source, info);
+        boolean useUninstallLabel = isAllAppsApplication(source, info);
         boolean useDeleteLabel = !useUninstallLabel && source.supportsDeleteDropTarget();
 
         // If we are dragging an application from AppsCustomize, only show the control if we can
@@ -277,12 +269,6 @@
     }
 
     private boolean isUninstallFromWorkspace(DragObject d) {
-        if (LauncherAppState.isDisableAllApps() && isDragSourceWorkspaceOrFolder(d)
-                && (d.dragInfo instanceof ShortcutInfo)) {
-            ShortcutInfo shortcut = (ShortcutInfo) d.dragInfo;
-            // Only allow manifest shortcuts to initiate an un-install.
-            return !InstallShortcutReceiver.isValidShortcutLaunchIntent(shortcut.intent);
-        }
         return false;
     }
 
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 34e1f3c..b97f0f2 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -137,7 +137,7 @@
     DeviceProfile(String n, float w, float h, float r, float c,
                   float is, float its, float hs, float his, int dlId) {
         // Ensure that we have an odd number of hotseat items (since we need to place all apps)
-        if (!LauncherAppState.isDisableAllApps() && hs % 2 == 0) {
+        if (hs % 2 == 0) {
             throw new RuntimeException("All Device Profiles must have an odd number of hotseat spaces");
         }
 
diff --git a/src/com/android/launcher3/DynamicGrid.java b/src/com/android/launcher3/DynamicGrid.java
index aa08148..24da97f 100644
--- a/src/com/android/launcher3/DynamicGrid.java
+++ b/src/com/android/launcher3/DynamicGrid.java
@@ -56,23 +56,22 @@
         DisplayMetrics dm = resources.getDisplayMetrics();
         ArrayList<DeviceProfile> deviceProfiles =
                 new ArrayList<DeviceProfile>();
-        boolean hasAA = !LauncherAppState.isDisableAllApps();
         DEFAULT_ICON_SIZE_PX = pxFromDp(DEFAULT_ICON_SIZE_DP, dm);
         // Our phone profiles include the bar sizes in each orientation
         deviceProfiles.add(new DeviceProfile("Super Short Stubby",
-                255, 300,  2, 3,  48, 13, (hasAA ? 3 : 5), 48, R.xml.default_workspace_4x4));
+                255, 300,  2, 3,  48, 13, 3, 48, R.xml.default_workspace_4x4));
         deviceProfiles.add(new DeviceProfile("Shorter Stubby",
-                255, 400,  3, 3,  48, 13, (hasAA ? 3 : 5), 48, R.xml.default_workspace_4x4));
+                255, 400,  3, 3,  48, 13, 3, 48, R.xml.default_workspace_4x4));
         deviceProfiles.add(new DeviceProfile("Short Stubby",
-                275, 420,  3, 4,  48, 13, (hasAA ? 5 : 5), 48, R.xml.default_workspace_4x4));
+                275, 420,  3, 4,  48, 13, 5, 48, R.xml.default_workspace_4x4));
         deviceProfiles.add(new DeviceProfile("Stubby",
-                255, 450,  3, 4,  48, 13, (hasAA ? 5 : 5), 48, R.xml.default_workspace_4x4));
+                255, 450,  3, 4,  48, 13, 5, 48, R.xml.default_workspace_4x4));
         deviceProfiles.add(new DeviceProfile("Nexus S",
-                296, 491.33f,  4, 4,  48, 13, (hasAA ? 5 : 5), 48, R.xml.default_workspace_4x4));
+                296, 491.33f,  4, 4,  48, 13, 5, 48, R.xml.default_workspace_4x4));
         deviceProfiles.add(new DeviceProfile("Nexus 4",
-                335, 567,  4, 4,  DEFAULT_ICON_SIZE_DP, 13, (hasAA ? 5 : 5), 56, R.xml.default_workspace_4x4));
+                335, 567,  4, 4,  DEFAULT_ICON_SIZE_DP, 13, 5, 56, R.xml.default_workspace_4x4));
         deviceProfiles.add(new DeviceProfile("Nexus 5",
-                359, 567,  4, 4,  DEFAULT_ICON_SIZE_DP, 13, (hasAA ? 5 : 5), 56, R.xml.default_workspace_4x4));
+                359, 567,  4, 4,  DEFAULT_ICON_SIZE_DP, 13, 5, 56, R.xml.default_workspace_4x4));
         deviceProfiles.add(new DeviceProfile("Large Phone",
                 406, 694,  5, 5,  64, 14.4f,  5, 56, R.xml.default_workspace_5x5));
         // The tablet profile is odd in that the landscape orientation
diff --git a/src/com/android/launcher3/Folder.java b/src/com/android/launcher3/Folder.java
index 786d4a2..11e9835 100644
--- a/src/com/android/launcher3/Folder.java
+++ b/src/com/android/launcher3/Folder.java
@@ -143,13 +143,8 @@
 
         Resources res = getResources();
         mMaxCountX = (int) grid.numColumns;
-        // Allow scrolling folders when DISABLE_ALL_APPS is true.
-        if (LauncherAppState.isDisableAllApps()) {
-            mMaxCountY = mMaxNumItems = Integer.MAX_VALUE;
-        } else {
-            mMaxCountY = (int) grid.numRows;
-            mMaxNumItems = mMaxCountX * mMaxCountY;
-        }
+        mMaxCountY = (int) grid.numRows;
+        mMaxNumItems = mMaxCountX * mMaxCountY;
 
         mInputMethodManager = (InputMethodManager)
                 getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
@@ -1012,13 +1007,7 @@
         int contentAreaHeightSpec = MeasureSpec.makeMeasureSpec(getContentAreaHeight(),
                 MeasureSpec.EXACTLY);
 
-        if (LauncherAppState.isDisableAllApps()) {
-            // Don't cap the height of the content to allow scrolling.
-            mContent.setFixedSize(getContentAreaWidth(), mContent.getDesiredHeight());
-        } else {
-            mContent.setFixedSize(getContentAreaWidth(), getContentAreaHeight());
-        }
-
+        mContent.setFixedSize(getContentAreaWidth(), getContentAreaHeight());
         mScrollView.measure(contentAreaWidthSpec, contentAreaHeightSpec);
         mFolderName.measure(contentAreaWidthSpec,
                 MeasureSpec.makeMeasureSpec(mFolderNameHeight, MeasureSpec.EXACTLY));
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index bd6c21a..b614bc6 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -24,12 +24,9 @@
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
-import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
-import java.util.ArrayList;
-
 public class Hotseat extends FrameLayout {
 
     private CellLayout mContent;
@@ -94,19 +91,11 @@
     }
 
     public int getAllAppsButtonRank() {
-        if (LauncherAppState.isDisableAllApps()) {
-            return -1;
-        } else {
-            return mAllAppsButtonRank;
-        }
+        return mAllAppsButtonRank;
     }
 
     public boolean isAllAppsButtonRank(int rank) {
-        if (LauncherAppState.isDisableAllApps()) {
-            return false;
-        } else {
-            return rank == mAllAppsButtonRank;
-        }
+        return rank == mAllAppsButtonRank;
     }
 
     /** This returns the coordinates of an app in a given cell, relative to the DragLayer */
@@ -149,35 +138,33 @@
     void resetLayout() {
         mContent.removeAllViewsInLayout();
 
-        if (!LauncherAppState.isDisableAllApps()) {
-            // Add the Apps button
-            Context context = getContext();
+        // Add the Apps button
+        Context context = getContext();
 
-            LayoutInflater inflater = LayoutInflater.from(context);
-            TextView allAppsButton = (TextView)
-                    inflater.inflate(R.layout.all_apps_button, mContent, false);
-            Drawable d = context.getResources().getDrawable(R.drawable.all_apps_button_icon);
+        LayoutInflater inflater = LayoutInflater.from(context);
+        TextView allAppsButton = (TextView)
+                inflater.inflate(R.layout.all_apps_button, mContent, false);
+        Drawable d = context.getResources().getDrawable(R.drawable.all_apps_button_icon);
 
-            Utilities.resizeIconDrawable(d);
-            allAppsButton.setCompoundDrawables(null, d, null, null);
+        Utilities.resizeIconDrawable(d);
+        allAppsButton.setCompoundDrawables(null, d, null, null);
 
-            allAppsButton.setContentDescription(context.getString(R.string.all_apps_button_label));
-            allAppsButton.setOnKeyListener(new HotseatIconKeyEventListener());
-            if (mLauncher != null) {
-                allAppsButton.setOnTouchListener(mLauncher.getHapticFeedbackTouchListener());
-                mLauncher.setAllAppsButton(allAppsButton);
-                allAppsButton.setOnClickListener(mLauncher);
-                allAppsButton.setOnFocusChangeListener(mLauncher.mFocusHandler);
-            }
-
-            // Note: We do this to ensure that the hotseat is always laid out in the orientation of
-            // the hotseat in order regardless of which orientation they were added
-            int x = getCellXFromOrder(mAllAppsButtonRank);
-            int y = getCellYFromOrder(mAllAppsButtonRank);
-            CellLayout.LayoutParams lp = new CellLayout.LayoutParams(x,y,1,1);
-            lp.canReorder = false;
-            mContent.addViewToCellLayout(allAppsButton, -1, allAppsButton.getId(), lp, true);
+        allAppsButton.setContentDescription(context.getString(R.string.all_apps_button_label));
+        allAppsButton.setOnKeyListener(new HotseatIconKeyEventListener());
+        if (mLauncher != null) {
+            allAppsButton.setOnTouchListener(mLauncher.getHapticFeedbackTouchListener());
+            mLauncher.setAllAppsButton(allAppsButton);
+            allAppsButton.setOnClickListener(mLauncher);
+            allAppsButton.setOnFocusChangeListener(mLauncher.mFocusHandler);
         }
+
+        // Note: We do this to ensure that the hotseat is always laid out in the orientation of
+        // the hotseat in order regardless of which orientation they were added
+        int x = getCellXFromOrder(mAllAppsButtonRank);
+        int y = getCellYFromOrder(mAllAppsButtonRank);
+        CellLayout.LayoutParams lp = new CellLayout.LayoutParams(x,y,1,1);
+        lp.canReorder = false;
+        mContent.addViewToCellLayout(allAppsButton, -1, allAppsButton.getId(), lp, true);
     }
 
     @Override
@@ -189,23 +176,4 @@
         }
         return false;
     }
-
-    void addAppsToAllAppsFolder(ArrayList<AppInfo> apps) {
-        if (LauncherAppState.isDisableAllApps()) {
-            View v = mContent.getChildAt(getCellXFromOrder(mAllAppsButtonRank), getCellYFromOrder(mAllAppsButtonRank));
-            FolderIcon fi = null;
-
-            if (v instanceof FolderIcon) {
-                fi = (FolderIcon) v;
-            } else {
-                return;
-            }
-
-            FolderInfo info = fi.getFolderInfo();
-            for (AppInfo a: apps) {
-                ShortcutInfo si = a.makeShortcut();
-                info.add(si);
-            }
-        }
-    }
 }
diff --git a/src/com/android/launcher3/IconCache.java b/src/com/android/launcher3/IconCache.java
index 5a0875b..91d4aaf 100644
--- a/src/com/android/launcher3/IconCache.java
+++ b/src/com/android/launcher3/IconCache.java
@@ -18,15 +18,19 @@
 
 import android.app.ActivityManager;
 import android.content.ComponentName;
+import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.Resources;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
 import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.drawable.Drawable;
 import android.text.TextUtils;
@@ -37,15 +41,10 @@
 import com.android.launcher3.compat.UserHandleCompat;
 import com.android.launcher3.compat.UserManagerCompat;
 
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
+import java.util.List;
 import java.util.Map.Entry;
 
 /**
@@ -56,7 +55,6 @@
     private static final String TAG = "Launcher.IconCache";
 
     private static final int INITIAL_ICON_CACHE_CAPACITY = 50;
-    private static final String RESOURCE_FILE_PREFIX = "icon_";
 
     // Empty class name is used for storing package default entry.
     private static final String EMPTY_CLASS_NAME = ".";
@@ -98,7 +96,8 @@
     private final LauncherAppsCompat mLauncherApps;
     private final HashMap<CacheKey, CacheEntry> mCache =
             new HashMap<CacheKey, CacheEntry>(INITIAL_ICON_CACHE_CAPACITY);
-    private int mIconDpi;
+    private final int mIconDpi;
+    private final IconDB mIconDb;
 
     public IconCache(Context context) {
         ActivityManager activityManager =
@@ -109,13 +108,10 @@
         mUserManager = UserManagerCompat.getInstance(mContext);
         mLauncherApps = LauncherAppsCompat.getInstance(mContext);
         mIconDpi = activityManager.getLauncherLargeIconDensity();
-
-        // need to set mIconDpi before getting default icon
-        UserHandleCompat myUser = UserHandleCompat.myUserHandle();
-        mDefaultIcons.put(myUser, makeDefaultIcon(myUser));
+        mIconDb = new IconDB(context);
     }
 
-    public Drawable getFullResDefaultActivityIcon() {
+    private Drawable getFullResDefaultActivityIcon() {
         return getFullResIcon(Resources.getSystem(), android.R.mipmap.sym_def_app_icon);
     }
 
@@ -188,9 +184,9 @@
     }
 
     /**
-     * Remove any records for the supplied package name.
+     * Remove any records for the supplied package name from memory.
      */
-    public synchronized void remove(String packageName, UserHandleCompat user) {
+    private void removeFromMemCacheLocked(String packageName, UserHandleCompat user) {
         HashSet<CacheKey> forDeletion = new HashSet<CacheKey>();
         for (CacheKey key: mCache.keySet()) {
             if (key.componentName.getPackageName().equals(packageName)
@@ -204,6 +200,140 @@
     }
 
     /**
+     * Updates the entries related to the given package in memory and persistent DB.
+     */
+    public synchronized void updateIconsForPkg(String packageName, UserHandleCompat user) {
+        removeIconsForPkg(packageName, user);
+        try {
+            PackageInfo info = mPackageManager.getPackageInfo(packageName,
+                    PackageManager.GET_UNINSTALLED_PACKAGES);
+            long userSerial = mUserManager.getSerialNumberForUser(user);
+            for (LauncherActivityInfoCompat app : mLauncherApps.getActivityList(packageName, user)) {
+                addIconToDB(app, info, userSerial);
+            }
+        } catch (NameNotFoundException e) {
+            Log.d(TAG, "Package not found", e);
+            return;
+        }
+    }
+
+    /**
+     * Removes the entries related to the given package in memory and persistent DB.
+     */
+    public synchronized void removeIconsForPkg(String packageName, UserHandleCompat user) {
+        removeFromMemCacheLocked(packageName, user);
+        long userSerial = mUserManager.getSerialNumberForUser(user);
+        mIconDb.getWritableDatabase().delete(IconDB.TABLE_NAME,
+                IconDB.COLUMN_COMPONENT + " LIKE ? AND " + IconDB.COLUMN_USER + " = ?",
+                new String[] {packageName + "/%", Long.toString(userSerial)});
+    }
+
+    /**
+     * Updates the persistent DB, such that only entries corresponding to {@param apps} remain in
+     * the DB and are updated.
+     * @return The set of packages for which icons have updated.
+     */
+    public HashSet<String> updateDBIcons(UserHandleCompat user, List<LauncherActivityInfoCompat> apps) {
+        long userSerial = mUserManager.getSerialNumberForUser(user);
+        PackageManager pm = mContext.getPackageManager();
+        HashMap<String, PackageInfo> pkgInfoMap = new HashMap<String, PackageInfo>();
+        for (PackageInfo info : pm.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES)) {
+            pkgInfoMap.put(info.packageName, info);
+        }
+
+        HashMap<ComponentName, LauncherActivityInfoCompat> componentMap = new HashMap<>();
+        for (LauncherActivityInfoCompat app : apps) {
+            componentMap.put(app.getComponentName(), app);
+        }
+
+        Cursor c = mIconDb.getReadableDatabase().query(IconDB.TABLE_NAME,
+                new String[] {IconDB.COLUMN_ROWID, IconDB.COLUMN_COMPONENT,
+                    IconDB.COLUMN_LAST_UPDATED, IconDB.COLUMN_VERSION},
+                IconDB.COLUMN_USER + " = ? ",
+                new String[] {Long.toString(userSerial)},
+                null, null, null);
+
+        final int indexComponent = c.getColumnIndex(IconDB.COLUMN_COMPONENT);
+        final int indexLastUpdate = c.getColumnIndex(IconDB.COLUMN_LAST_UPDATED);
+        final int indexVersion = c.getColumnIndex(IconDB.COLUMN_VERSION);
+        final int rowIndex = c.getColumnIndex(IconDB.COLUMN_ROWID);
+
+        HashSet<Integer> itemsToRemove = new HashSet<Integer>();
+        HashSet<String> updatedPackages = new HashSet<String>();
+
+        while (c.moveToNext()) {
+            String cn = c.getString(indexComponent);
+            ComponentName component = ComponentName.unflattenFromString(cn);
+            PackageInfo info = pkgInfoMap.get(component.getPackageName());
+            if (info == null) {
+                itemsToRemove.add(c.getInt(rowIndex));
+                continue;
+            }
+            if ((info.applicationInfo.flags & ApplicationInfo.FLAG_IS_DATA_ONLY) != 0) {
+                // Application is not present
+                continue;
+            }
+
+            long updateTime = c.getLong(indexLastUpdate);
+            int version = c.getInt(indexVersion);
+            LauncherActivityInfoCompat app = componentMap.remove(component);
+            if (version == info.versionCode && updateTime == info.lastUpdateTime) {
+                continue;
+            }
+            if (app == null) {
+                itemsToRemove.add(c.getInt(rowIndex));
+                continue;
+            }
+            ContentValues values = updateCacheAndGetContentValues(app);
+            mIconDb.getWritableDatabase().update(IconDB.TABLE_NAME, values,
+                    IconDB.COLUMN_COMPONENT + " = ?",
+                    new String[] { cn });
+
+            updatedPackages.add(component.getPackageName());
+        }
+        c.close();
+        if (!itemsToRemove.isEmpty()) {
+            mIconDb.getWritableDatabase().delete(IconDB.TABLE_NAME,
+                    IconDB.COLUMN_ROWID + " IN ( " + TextUtils.join(", ", itemsToRemove) +" )",
+                    null);
+        }
+
+        // Insert remaining apps.
+        for (LauncherActivityInfoCompat app : componentMap.values()) {
+            PackageInfo info = pkgInfoMap.get(app.getComponentName().getPackageName());
+            if (info == null) {
+                continue;
+            }
+            addIconToDB(app, info, userSerial);
+        }
+        return updatedPackages;
+    }
+
+    private void addIconToDB(LauncherActivityInfoCompat app, PackageInfo info, long userSerial) {
+        ContentValues values = updateCacheAndGetContentValues(app);
+        values.put(IconDB.COLUMN_COMPONENT, app.getComponentName().flattenToString());
+        values.put(IconDB.COLUMN_USER, userSerial);
+        values.put(IconDB.COLUMN_LAST_UPDATED, info.lastUpdateTime);
+        values.put(IconDB.COLUMN_VERSION, info.versionCode);
+        mIconDb.getWritableDatabase().insertWithOnConflict(IconDB.TABLE_NAME, null, values,
+                SQLiteDatabase.CONFLICT_REPLACE);
+    }
+
+    private ContentValues updateCacheAndGetContentValues(LauncherActivityInfoCompat app) {
+        CacheEntry entry = new CacheEntry();
+        entry.icon = Utilities.createIconBitmap(app.getBadgedIcon(mIconDpi), mContext);
+        entry.title = app.getLabel();
+        entry.contentDescription = mUserManager.getBadgedLabelForUser(entry.title, app.getUser());
+        mCache.put(new CacheKey(app.getComponentName(), app.getUser()), entry);
+
+        ContentValues values = new ContentValues();
+        values.put(IconDB.COLUMN_ICON, ItemInfo.flattenBitmap(entry.icon));
+        values.put(IconDB.COLUMN_LABEL, entry.title.toString());
+        return values;
+    }
+
+
+    /**
      * Empty out the cache.
      */
     public synchronized void flush() {
@@ -227,10 +357,8 @@
     /**
      * Fill in "application" with the icon and label for "info."
      */
-    public synchronized void getTitleAndIcon(AppInfo application, LauncherActivityInfoCompat info,
-            HashMap<Object, CharSequence> labelCache) {
-        CacheEntry entry = cacheLocked(application.componentName, info, labelCache,
-                info.getUser(), false);
+    public synchronized void getTitleAndIcon(AppInfo application, LauncherActivityInfoCompat info) {
+        CacheEntry entry = cacheLocked(application.componentName, info, info.getUser(), false);
 
         application.title = entry.title;
         application.iconBitmap = entry.icon;
@@ -246,15 +374,16 @@
         }
 
         LauncherActivityInfoCompat launcherActInfo = mLauncherApps.resolveActivity(intent, user);
-        CacheEntry entry = cacheLocked(component, launcherActInfo, null, user, true);
+        CacheEntry entry = cacheLocked(component, launcherActInfo, user, true);
         return entry.icon;
     }
 
     /**
-     * Fill in "shortcutInfo" with the icon and label for "info."
+     * Fill in {@param shortcutInfo} with the icon and label for {@param intent}. If the
+     * corresponding activity is not found, it reverts to the package icon.
      */
     public synchronized void getTitleAndIcon(ShortcutInfo shortcutInfo, Intent intent,
-            UserHandleCompat user, boolean usePkgIcon) {
+            UserHandleCompat user) {
         ComponentName component = intent.getComponent();
         // null info means not installed, but if we have a component from the intent then
         // we should still look in the cache for restored app icons.
@@ -263,16 +392,22 @@
             shortcutInfo.title = "";
             shortcutInfo.usingFallbackIcon = true;
         } else {
-            LauncherActivityInfoCompat launcherActInfo =
-                    mLauncherApps.resolveActivity(intent, user);
-            CacheEntry entry = cacheLocked(component, launcherActInfo, null, user, usePkgIcon);
-
-            shortcutInfo.setIcon(entry.icon);
-            shortcutInfo.title = entry.title;
-            shortcutInfo.usingFallbackIcon = isDefaultIcon(entry.icon, user);
+            LauncherActivityInfoCompat info = mLauncherApps.resolveActivity(intent, user);
+            getTitleAndIcon(shortcutInfo, component, info, user, true);
         }
     }
 
+    /**
+     * Fill in {@param shortcutInfo} with the icon and label for {@param info}
+     */
+    public synchronized void getTitleAndIcon(
+            ShortcutInfo shortcutInfo, ComponentName component, LauncherActivityInfoCompat info,
+            UserHandleCompat user, boolean usePkgIcon) {
+        CacheEntry entry = cacheLocked(component, info, user, usePkgIcon);
+        shortcutInfo.setIcon(entry.icon);
+        shortcutInfo.title = entry.title;
+        shortcutInfo.usingFallbackIcon = isDefaultIcon(entry.icon, user);
+    }
 
     public synchronized Bitmap getDefaultIcon(UserHandleCompat user) {
         if (!mDefaultIcons.containsKey(user)) {
@@ -281,16 +416,6 @@
         return mDefaultIcons.get(user);
     }
 
-    public synchronized Bitmap getIcon(ComponentName component, LauncherActivityInfoCompat info,
-            HashMap<Object, CharSequence> labelCache) {
-        if (info == null || component == null) {
-            return null;
-        }
-
-        CacheEntry entry = cacheLocked(component, info, labelCache, info.getUser(), false);
-        return entry.icon;
-    }
-
     public boolean isDefaultIcon(Bitmap icon, UserHandleCompat user) {
         return mDefaultIcons.get(user) == icon;
     }
@@ -300,35 +425,17 @@
      * This method is not thread safe, it must be called from a synchronized method.
      */
     private CacheEntry cacheLocked(ComponentName componentName, LauncherActivityInfoCompat info,
-            HashMap<Object, CharSequence> labelCache, UserHandleCompat user, boolean usePackageIcon) {
+            UserHandleCompat user, boolean usePackageIcon) {
         CacheKey cacheKey = new CacheKey(componentName, user);
         CacheEntry entry = mCache.get(cacheKey);
         if (entry == null) {
             entry = new CacheEntry();
-
             mCache.put(cacheKey, entry);
 
-            if (info != null) {
-                ComponentName labelKey = info.getComponentName();
-                if (labelCache != null && labelCache.containsKey(labelKey)) {
-                    entry.title = labelCache.get(labelKey).toString();
-                } else {
-                    entry.title = info.getLabel().toString();
-                    if (labelCache != null) {
-                        labelCache.put(labelKey, entry.title);
-                    }
-                }
-
-                entry.contentDescription = mUserManager.getBadgedLabelForUser(entry.title, user);
-                entry.icon = Utilities.createIconBitmap(
-                        info.getBadgedIcon(mIconDpi), mContext);
-            } else {
-                entry.title = "";
-                Bitmap preloaded = getPreloadedIcon(componentName, user);
-                if (preloaded != null) {
-                    if (DEBUG) Log.d(TAG, "using preloaded icon for " +
-                            componentName.toShortString());
-                    entry.icon = preloaded;
+            // Check the DB first.
+            if (!getEntryFromDB(componentName, user, entry)) {
+                if (info != null) {
+                    entry.icon = Utilities.createIconBitmap(info.getBadgedIcon(mIconDpi), mContext);
                 } else {
                     if (usePackageIcon) {
                         CacheEntry packageEntry = getEntryForPackage(
@@ -338,6 +445,7 @@
                                     componentName.toShortString());
                             entry.icon = packageEntry.icon;
                             entry.title = packageEntry.title;
+                            entry.contentDescription = packageEntry.contentDescription;
                         }
                     }
                     if (entry.icon == null) {
@@ -347,6 +455,11 @@
                     }
                 }
             }
+
+            if (TextUtils.isEmpty(entry.title) && info != null) {
+                entry.title = info.getLabel().toString();
+                entry.contentDescription = mUserManager.getBadgedLabelForUser(entry.title, user);
+            }
         }
         return entry;
     }
@@ -357,7 +470,7 @@
      */
     public synchronized void cachePackageInstallInfo(String packageName, UserHandleCompat user,
             Bitmap icon, CharSequence title) {
-        remove(packageName, user);
+        removeFromMemCacheLocked(packageName, user);
 
         CacheEntry entry = getEntryForPackage(packageName, user);
         if (!TextUtils.isEmpty(title)) {
@@ -379,48 +492,36 @@
         if (entry == null) {
             entry = new CacheEntry();
             entry.title = "";
+            entry.contentDescription = "";
             mCache.put(cacheKey, entry);
 
             try {
                 ApplicationInfo info = mPackageManager.getApplicationInfo(packageName, 0);
-                entry.title = info.loadLabel(mPackageManager);
                 entry.icon = Utilities.createIconBitmap(info.loadIcon(mPackageManager), mContext);
+                entry.title = info.loadLabel(mPackageManager);
+                entry.contentDescription = mUserManager.getBadgedLabelForUser(entry.title, user);
             } catch (NameNotFoundException e) {
                 if (DEBUG) Log.d(TAG, "Application not installed " + packageName);
             }
-
-            if (entry.icon == null) {
-                entry.icon = getPreloadedIcon(cn, user);
-            }
         }
         return entry;
     }
 
-    public synchronized HashMap<ComponentName,Bitmap> getAllIcons() {
-        HashMap<ComponentName,Bitmap> set = new HashMap<ComponentName,Bitmap>();
-        for (CacheKey ck : mCache.keySet()) {
-            final CacheEntry e = mCache.get(ck);
-            set.put(ck.componentName, e.icon);
-        }
-        return set;
-    }
-
     /**
      * Pre-load an icon into the persistent cache.
      *
      * <P>Queries for a component that does not exist in the package manager
      * will be answered by the persistent cache.
      *
-     * @param context application context
      * @param componentName the icon should be returned for this component
      * @param icon the icon to be persisted
      * @param dpi the native density of the icon
      */
-    public static void preloadIcon(Context context, ComponentName componentName, Bitmap icon,
-            int dpi) {
+    public void preloadIcon(ComponentName componentName, Bitmap icon, int dpi, String label,
+            long userSerial) {
         // TODO rescale to the correct native DPI
         try {
-            PackageManager packageManager = context.getPackageManager();
+            PackageManager packageManager = mContext.getPackageManager();
             packageManager.getActivityIcon(componentName);
             // component is present on the system already, do nothing
             return;
@@ -428,100 +529,86 @@
             // pass
         }
 
-        final String key = componentName.flattenToString();
-        FileOutputStream resourceFile = null;
+        ContentValues values = new ContentValues();
+        values.put(IconDB.COLUMN_COMPONENT, componentName.flattenToString());
+        values.put(IconDB.COLUMN_USER, userSerial);
+        values.put(IconDB.COLUMN_ICON, ItemInfo.flattenBitmap(icon));
+        values.put(IconDB.COLUMN_LABEL, label);
+        mIconDb.getWritableDatabase().insertWithOnConflict(IconDB.TABLE_NAME, null, values,
+                SQLiteDatabase.CONFLICT_REPLACE);
+    }
+
+    private boolean getEntryFromDB(ComponentName component, UserHandleCompat user, CacheEntry entry) {
+        Cursor c = mIconDb.getReadableDatabase().query(IconDB.TABLE_NAME,
+                new String[] {IconDB.COLUMN_ICON, IconDB.COLUMN_LABEL},
+                IconDB.COLUMN_COMPONENT + " = ? AND " + IconDB.COLUMN_USER + " = ?",
+                new String[] {component.flattenToString(),
+                    Long.toString(mUserManager.getSerialNumberForUser(user))},
+                null, null, null);
         try {
-            resourceFile = context.openFileOutput(getResourceFilename(componentName),
-                    Context.MODE_PRIVATE);
-            ByteArrayOutputStream os = new ByteArrayOutputStream();
-            if (icon.compress(android.graphics.Bitmap.CompressFormat.PNG, 75, os)) {
-                byte[] buffer = os.toByteArray();
-                resourceFile.write(buffer, 0, buffer.length);
-            } else {
-                Log.w(TAG, "failed to encode cache for " + key);
-                return;
-            }
-        } catch (FileNotFoundException e) {
-            Log.w(TAG, "failed to pre-load cache for " + key, e);
-        } catch (IOException e) {
-            Log.w(TAG, "failed to pre-load cache for " + key, e);
-        } finally {
-            if (resourceFile != null) {
-                try {
-                    resourceFile.close();
-                } catch (IOException e) {
-                    Log.d(TAG, "failed to save restored icon for: " + key, e);
+            if (c.moveToNext()) {
+                entry.icon = Utilities.createIconBitmap(c, 0, mContext);
+                entry.title = c.getString(1);
+                if (entry.title == null) {
+                    entry.title = "";
+                    entry.contentDescription = "";
+                } else {
+                    entry.contentDescription = mUserManager.getBadgedLabelForUser(entry.title, user);
                 }
+                return true;
             }
-        }
-    }
-
-    /**
-     * Read a pre-loaded icon from the persistent icon cache.
-     *
-     * @param componentName the component that should own the icon
-     * @returns a bitmap if one is cached, or null.
-     */
-    private Bitmap getPreloadedIcon(ComponentName componentName, UserHandleCompat user) {
-        final String key = componentName.flattenToShortString();
-
-        // We don't keep icons for other profiles in persistent cache.
-        if (!user.equals(UserHandleCompat.myUserHandle())) {
-            return null;
-        }
-
-        if (DEBUG) Log.v(TAG, "looking for pre-load icon for " + key);
-        Bitmap icon = null;
-        FileInputStream resourceFile = null;
-        try {
-            resourceFile = mContext.openFileInput(getResourceFilename(componentName));
-            byte[] buffer = new byte[1024];
-            ByteArrayOutputStream bytes = new ByteArrayOutputStream();
-            int bytesRead = 0;
-            while(bytesRead >= 0) {
-                bytes.write(buffer, 0, bytesRead);
-                bytesRead = resourceFile.read(buffer, 0, buffer.length);
-            }
-            if (DEBUG) Log.d(TAG, "read " + bytes.size());
-            icon = BitmapFactory.decodeByteArray(bytes.toByteArray(), 0, bytes.size());
-            if (icon == null) {
-                Log.w(TAG, "failed to decode pre-load icon for " + key);
-            }
-        } catch (FileNotFoundException e) {
-            if (DEBUG) Log.d(TAG, "there is no restored icon for: " + key);
-        } catch (IOException e) {
-            Log.w(TAG, "failed to read pre-load icon for: " + key, e);
         } finally {
-            if(resourceFile != null) {
-                try {
-                    resourceFile.close();
-                } catch (IOException e) {
-                    Log.d(TAG, "failed to manage pre-load icon file: " + key, e);
-                }
+            c.close();
+        }
+        return false;
+    }
+
+    private static final class IconDB extends SQLiteOpenHelper {
+        private final static int DB_VERSION = 1;
+
+        private final static String TABLE_NAME = "icons";
+        private final static String COLUMN_ROWID = "rowid";
+        private final static String COLUMN_COMPONENT = "componentName";
+        private final static String COLUMN_USER = "profileId";
+        private final static String COLUMN_LAST_UPDATED = "lastUpdated";
+        private final static String COLUMN_VERSION = "version";
+        private final static String COLUMN_ICON = "icon";
+        private final static String COLUMN_LABEL = "label";
+
+        public IconDB(Context context) {
+            super(context, LauncherFiles.APP_ICONS_DB, null, DB_VERSION);
+        }
+
+        @Override
+        public void onCreate(SQLiteDatabase db) {
+            db.execSQL("CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " (" +
+                    COLUMN_COMPONENT + " TEXT NOT NULL, " +
+                    COLUMN_USER + " INTEGER NOT NULL, " +
+                    COLUMN_LAST_UPDATED + " INTEGER NOT NULL DEFAULT 0, " +
+                    COLUMN_VERSION + " INTEGER NOT NULL DEFAULT 0, " +
+                    COLUMN_ICON + " BLOB, " +
+                    COLUMN_LABEL + " TEXT, " +
+                    "PRIMARY KEY (" + COLUMN_COMPONENT + ", " + COLUMN_USER + ") " +
+                    ");");
+        }
+
+        @Override
+        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+            if (oldVersion != newVersion) {
+                clearDB(db);
             }
         }
 
-        return icon;
-    }
-
-    /**
-     * Remove a pre-loaded icon from the persistent icon cache.
-     *
-     * @param componentName the component that should own the icon
-     */
-    public void deletePreloadedIcon(ComponentName componentName, UserHandleCompat user) {
-        // We don't keep icons for other profiles in persistent cache.
-        if (!user.equals(UserHandleCompat.myUserHandle()) || componentName == null) {
-            return;
+        @Override
+        public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+            if (oldVersion != newVersion) {
+                clearDB(db);
+            }
         }
-        remove(componentName, user);
-        boolean success = mContext.deleteFile(getResourceFilename(componentName));
-        if (DEBUG && success) Log.d(TAG, "removed pre-loaded icon from persistent cache");
-    }
 
-    private static String getResourceFilename(ComponentName component) {
-        String resourceName = component.flattenToShortString();
-        String filename = resourceName.replace(File.separatorChar, '_');
-        return RESOURCE_FILE_PREFIX + filename;
+        private void clearDB(SQLiteDatabase db) {
+            db.execSQL("DROP TABLE IF EXISTS " + TABLE_NAME);
+            onCreate(db);
+        }
     }
 }
diff --git a/src/com/android/launcher3/InstallShortcutReceiver.java b/src/com/android/launcher3/InstallShortcutReceiver.java
index 1ab3085..201531e 100644
--- a/src/com/android/launcher3/InstallShortcutReceiver.java
+++ b/src/com/android/launcher3/InstallShortcutReceiver.java
@@ -186,11 +186,6 @@
                 final PendingInstallShortcutInfo pendingInfo = iter.next();
                 final Intent intent = pendingInfo.launchIntent;
 
-                if (LauncherAppState.isDisableAllApps() && !isValidShortcutLaunchIntent(intent)) {
-                    if (DBG) Log.d(TAG, "Ignoring shortcut with launchIntent:" + intent);
-                    continue;
-                }
-
                 // If the intent specifies a package, make sure the package exists
                 String packageName = pendingInfo.getTargetPackage();
                 if (!TextUtils.isEmpty(packageName)) {
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 58b0854..1ad8b27 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -167,7 +167,6 @@
     // To turn on these properties, type
     // adb shell setprop log.tag.PROPERTY_NAME [VERBOSE | SUPPRESS]
     static final String DUMP_STATE_PROPERTY = "launcher_dump_state";
-    static final String DISABLE_ALL_APPS_PROPERTY = "launcher_noallapps";
 
     // The Intent extra that defines whether to ignore the launch animation
     static final String INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION =
@@ -3344,8 +3343,7 @@
                 Workspace.State.OVERVIEW_HIDDEN : Workspace.State.NORMAL_HIDDEN;
         Animator workspaceAnim =
                 mWorkspace.getChangeStateAnimation(workspaceState, animated, layerViews);
-        if (!LauncherAppState.isDisableAllApps()
-                || contentType == AppsCustomizePagedView.ContentType.Widgets) {
+        if (contentType == AppsCustomizePagedView.ContentType.Widgets) {
             // Set the content type for the all apps/widgets space
             mAppsCustomizeTabHost.setContentTypeImmediate(contentType);
         }
@@ -4238,8 +4236,7 @@
         // Remove the extra empty screen
         mWorkspace.removeExtraEmptyScreen(false, false);
 
-        if (!LauncherAppState.isDisableAllApps() &&
-                addedApps != null && mAppsCustomizeContent != null) {
+        if (addedApps != null && mAppsCustomizeContent != null) {
             mAppsCustomizeContent.addApps(addedApps);
         }
     }
@@ -4614,17 +4611,10 @@
      * Implementation of the method from LauncherModel.Callbacks.
      */
     public void bindAllApplications(final ArrayList<AppInfo> apps) {
-        if (LauncherAppState.isDisableAllApps()) {
-            if (mAppsCustomizeContent != null) {
-                mAppsCustomizeContent.onPackagesUpdated(
-                        LauncherModel.getSortedWidgetsAndShortcuts(this));
-            }
-        } else {
-            if (mAppsCustomizeContent != null) {
-                mAppsCustomizeContent.setApps(apps);
-                mAppsCustomizeContent.onPackagesUpdated(
-                        LauncherModel.getSortedWidgetsAndShortcuts(this));
-            }
+        if (mAppsCustomizeContent != null) {
+            mAppsCustomizeContent.setApps(apps);
+            mAppsCustomizeContent.onPackagesUpdated(
+                    LauncherModel.getSortedWidgetsAndShortcuts(this));
         }
         if (mLauncherCallbacks != null) {
             mLauncherCallbacks.bindAllApplications(apps);
@@ -4646,8 +4636,7 @@
             return;
         }
 
-        if (!LauncherAppState.isDisableAllApps() &&
-                mAppsCustomizeContent != null) {
+        if (mAppsCustomizeContent != null) {
             mAppsCustomizeContent.updateApps(apps);
         }
     }
@@ -4762,8 +4751,7 @@
         }
 
         // Update AllApps
-        if (!LauncherAppState.isDisableAllApps() &&
-                mAppsCustomizeContent != null) {
+        if (mAppsCustomizeContent != null) {
             mAppsCustomizeContent.removeApps(appInfos);
         }
     }
@@ -5033,7 +5021,7 @@
         if (activityInfo == null) {
             return null;
         }
-        return new AppInfo(this, activityInfo, myUser, mIconCache, null);
+        return new AppInfo(this, activityInfo, myUser, mIconCache);
     }
 
     public ItemInfo createShortcutDragInfo(Intent shortcutIntent, CharSequence caption,
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 87e9aae..8e6557f 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -43,9 +43,6 @@
 import java.util.ArrayList;
 
 public class LauncherAppState implements DeviceProfile.DeviceProfileCallbacks {
-    private static final String TAG = "LauncherAppState";
-
-    private static final boolean DEBUG = false;
 
     private final AppFilter mAppFilter;
     private final BuildInfo mBuildInfo;
@@ -283,12 +280,6 @@
         Utilities.setIconSize(grid.iconSizePx);
     }
 
-    public static boolean isDisableAllApps() {
-        // Returns false on non-dogfood builds.
-        return getInstance().mBuildInfo.isDogfoodBuild() &&
-                Utilities.isPropertyEnabled(Launcher.DISABLE_ALL_APPS_PROPERTY);
-    }
-
     public static boolean isDogfoodBuild() {
         return getInstance().mBuildInfo.isDogfoodBuild();
     }
diff --git a/src/com/android/launcher3/LauncherBackupHelper.java b/src/com/android/launcher3/LauncherBackupHelper.java
index 353bf3f..97ff327 100644
--- a/src/com/android/launcher3/LauncherBackupHelper.java
+++ b/src/com/android/launcher3/LauncherBackupHelper.java
@@ -144,6 +144,7 @@
     private final HashSet<String> mExistingKeys;
     private final ArrayList<Key> mKeys;
     private final ItemTypeMatcher[] mItemTypeMatchers;
+    private final long mUserSerial;
 
     private IconCache mIconCache;
     private BackupManager mBackupManager;
@@ -161,6 +162,9 @@
         mKeys = new ArrayList<Key>();
         restoreSuccessful = true;
         mItemTypeMatchers = new ItemTypeMatcher[CommonAppTypeParser.SUPPORTED_TYPE_COUNT];
+
+        UserManagerCompat userManager = UserManagerCompat.getInstance(mContext);
+        mUserSerial = userManager.getSerialNumberForUser(UserHandleCompat.myUserHandle());
     }
 
     private void dataChanged() {
@@ -297,6 +301,12 @@
         if (!restoreSuccessful) {
             return;
         }
+        if (!initializeIconCache()) {
+            // During restore we do not need an initialized instance of IconCache. We can create
+            // a temporary icon cache here, as the process will be rebooted after restore
+            // is complete.
+            mIconCache = new IconCache(mContext);
+        }
 
         int dataSize = data.size();
         if (mBuffer.length < dataSize) {
@@ -601,7 +611,8 @@
             Log.w(TAG, "failed to unpack icon for " + key.name);
         }
         if (VERBOSE) Log.v(TAG, "saving restored icon as: " + key.name);
-        IconCache.preloadIcon(mContext, ComponentName.unflattenFromString(key.name), icon, res.dpi);
+        mIconCache.preloadIcon(ComponentName.unflattenFromString(key.name), icon, res.dpi,
+                "" /* label */, mUserSerial);
     }
 
     /**
@@ -693,8 +704,8 @@
             if (icon == null) {
                 Log.w(TAG, "failed to unpack widget icon for " + key.name);
             } else {
-                IconCache.preloadIcon(mContext, ComponentName.unflattenFromString(widget.provider),
-                        icon, widget.icon.dpi);
+                mIconCache.preloadIcon(ComponentName.unflattenFromString(widget.provider),
+                        icon, widget.icon.dpi, widget.label, mUserSerial);
             }
         }
 
@@ -1145,9 +1156,11 @@
 
         final LauncherAppState appState = LauncherAppState.getInstanceNoCreate();
         if (appState == null) {
-            Throwable stackTrace = new Throwable();
-            stackTrace.fillInStackTrace();
-            Log.w(TAG, "Failed to get app state during backup/restore", stackTrace);
+            if (DEBUG) {
+                Throwable stackTrace = new Throwable();
+                stackTrace.fillInStackTrace();
+                Log.w(TAG, "Failed to get app state during backup/restore", stackTrace);
+            }
             return false;
         }
         mIconCache = appState.getIconCache();
diff --git a/src/com/android/launcher3/LauncherFiles.java b/src/com/android/launcher3/LauncherFiles.java
index fa05365..cedb397 100644
--- a/src/com/android/launcher3/LauncherFiles.java
+++ b/src/com/android/launcher3/LauncherFiles.java
@@ -25,6 +25,7 @@
             WallpaperCropActivity.class.getName();
     public static final String WALLPAPER_IMAGES_DB = "saved_wallpaper_images.db";
     public static final String WIDGET_PREVIEWS_DB = "widgetpreviews.db";
+    public static final String APP_ICONS_DB = "app_icons.db";
 
     public static final List<String> ALL_FILES = Collections.unmodifiableList(Arrays.asList(
             DEFAULT_WALLPAPER_THUMBNAIL,
@@ -36,5 +37,6 @@
             STATS_LOG,
             WALLPAPER_CROP_PREFERENCES_KEY + XML,
             WALLPAPER_IMAGES_DB,
-            WIDGET_PREVIEWS_DB));
+            WIDGET_PREVIEWS_DB,
+            APP_ICONS_DB));
 }
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 3983835..cb9d12e 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -36,7 +36,6 @@
 import android.content.res.Resources;
 import android.database.Cursor;
 import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
 import android.graphics.Rect;
 import android.net.Uri;
 import android.os.Environment;
@@ -163,9 +162,6 @@
     // sBgFolders is all FolderInfos created by LauncherModel. Passed to bindFolders()
     static final HashMap<Long, FolderInfo> sBgFolders = new HashMap<Long, FolderInfo>();
 
-    // sBgDbIconCache is the set of ItemInfos that need to have their icons updated in the database
-    static final HashMap<Object, byte[]> sBgDbIconCache = new HashMap<Object, byte[]>();
-
     // sBgWorkspaceScreens is the ordered set of workspace screens.
     static final ArrayList<Long> sBgWorkspaceScreens = new ArrayList<Long>();
 
@@ -1131,7 +1127,6 @@
                                 break;
                         }
                         sBgItemsIdMap.remove(item.id);
-                        sBgDbIconCache.remove(item);
                     }
                 }
             }
@@ -1204,7 +1199,6 @@
                 synchronized (sBgLock) {
                     sBgItemsIdMap.remove(info.id);
                     sBgFolders.remove(info.id);
-                    sBgDbIconCache.remove(info);
                     sBgWorkspaceItems.remove(info);
                 }
 
@@ -1214,7 +1208,6 @@
                 synchronized (sBgLock) {
                     for (ItemInfo childInfo : info.contents) {
                         sBgItemsIdMap.remove(childInfo.id);
-                        sBgDbIconCache.remove(childInfo);
                     }
                 }
             }
@@ -1481,12 +1474,9 @@
         private boolean mLoadAndBindStepFinished;
         private int mFlags;
 
-        private HashMap<Object, CharSequence> mLabelCache;
-
         LoaderTask(Context context, boolean isLaunching, int flags) {
             mContext = context;
             mIsLaunching = isLaunching;
-            mLabelCache = new HashMap<Object, CharSequence>();
             mFlags = flags;
         }
 
@@ -1635,21 +1625,6 @@
                 }
             }
 
-            // Update the saved icons if necessary
-            if (DEBUG_LOADERS) Log.d(TAG, "Comparing loaded icons to database icons");
-            synchronized (sBgLock) {
-                for (Object key : sBgDbIconCache.keySet()) {
-                    updateSavedIcon(mContext, (ShortcutInfo) key, sBgDbIconCache.get(key));
-                }
-                sBgDbIconCache.clear();
-            }
-
-            if (LauncherAppState.isDisableAllApps()) {
-                // Ensure that all the applications that are in the system are
-                // represented on the home screen.
-                verifyApplications();
-            }
-
             // Clear out this reference, otherwise we end up holding it until all of the
             // callback runnables are done.
             mContext = null;
@@ -1700,28 +1675,6 @@
             }
         }
 
-        private void verifyApplications() {
-            final Context context = mApp.getContext();
-
-            // Cross reference all the applications in our apps list with items in the workspace
-            ArrayList<ItemInfo> tmpInfos;
-            ArrayList<ItemInfo> added = new ArrayList<ItemInfo>();
-            synchronized (sBgLock) {
-                for (AppInfo app : mBgAllAppsList.data) {
-                    tmpInfos = getItemInfoForComponentName(app.componentName, app.user);
-                    if (tmpInfos.isEmpty()) {
-                        // We are missing an application icon, so add this to the workspace
-                        added.add(app);
-                        // This is a rare event, so lets log it
-                        Log.e(TAG, "Missing Application on load: " + app);
-                    }
-                }
-            }
-            if (!added.isEmpty()) {
-                addAndBindAddedWorkspaceApps(context, added);
-            }
-        }
-
         // check & update map of what's occupied; used to discard overlapping/invalid items
         private boolean checkItemPlacement(HashMap<Long, ItemInfo[][]> occupied, ItemInfo item) {
             LauncherAppState app = LauncherAppState.getInstance();
@@ -1819,7 +1772,6 @@
                 sBgAppWidgets.clear();
                 sBgFolders.clear();
                 sBgItemsIdMap.clear();
-                sBgDbIconCache.clear();
                 sBgWorkspaceScreens.clear();
             }
         }
@@ -2068,8 +2020,8 @@
 
                                 if (itemReplaced) {
                                     if (user.equals(UserHandleCompat.myUserHandle())) {
-                                        info = getShortcutInfo(manager, intent, user, context, null,
-                                                iconIndex, titleIndex, mLabelCache, false);
+                                        info = getAppShortcutInfo(manager, intent, user, context, null,
+                                                iconIndex, titleIndex, false);
                                     } else {
                                         // Don't replace items for other profiles.
                                         itemsToRemove.add(id);
@@ -2089,8 +2041,8 @@
                                     }
                                 } else if (itemType ==
                                         LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
-                                    info = getShortcutInfo(manager, intent, user, context, c,
-                                            iconIndex, titleIndex, mLabelCache, allowMissingTarget);
+                                    info = getAppShortcutInfo(manager, intent, user, context, c,
+                                            iconIndex, titleIndex, allowMissingTarget);
                                 } else {
                                     info = getShortcutInfo(c, context, iconTypeIndex,
                                             iconPackageIndex, iconResourceIndex, iconIndex,
@@ -2145,10 +2097,6 @@
                                         break;
                                     }
                                     sBgItemsIdMap.put(info.id, info);
-
-                                    // now that we've loaded everthing re-save it with the
-                                    // icon in case it disappears somehow.
-                                    queueIconToBeChecked(sBgDbIconCache, info, c, iconIndex);
                                 } else {
                                     throw new RuntimeException("Unexpected null ShortcutInfo");
                                 }
@@ -2842,20 +2790,48 @@
                 if (apps == null || apps.isEmpty()) {
                     return;
                 }
-                // Sort the applications by name
-                final long sortTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0;
-                Collections.sort(apps,
-                        new LauncherModel.ShortcutNameComparator(mLabelCache));
-                if (DEBUG_LOADERS) {
-                    Log.d(TAG, "sort took "
-                            + (SystemClock.uptimeMillis()-sortTime) + "ms");
+
+                // Update icon cache
+                HashSet<String> updatedPackages = mIconCache.updateDBIcons(user, apps);
+
+                // If any package icon has changed (app was updated while launcher was dead),
+                // update the corresponding shortcuts.
+                if (!updatedPackages.isEmpty()) {
+                    final ArrayList<ShortcutInfo> updates = new ArrayList<ShortcutInfo>();
+                    synchronized (sBgLock) {
+                        for (ItemInfo info : sBgItemsIdMap.values()) {
+                            if (info instanceof ShortcutInfo && user.equals(info.user)
+                                    && info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
+                                ShortcutInfo si = (ShortcutInfo) info;
+                                ComponentName cn = si.getTargetComponent();
+                                if (cn != null && updatedPackages.contains(cn.getPackageName())) {
+                                    si.updateIcon(mIconCache);
+                                    updates.add(si);
+                                }
+                            }
+                        }
+                    }
+
+                    if (!updates.isEmpty()) {
+                        final UserHandleCompat userFinal = user;
+                        mHandler.post(new Runnable() {
+
+                            public void run() {
+                                Callbacks cb = getCallback();
+                                if (cb != null) {
+                                    cb.bindShortcutsChanged(
+                                            updates, new ArrayList<ShortcutInfo>(), userFinal);
+                                }
+                            }
+                        });
+                    }
                 }
 
                 // Create the ApplicationInfos
                 for (int i = 0; i < apps.size(); i++) {
                     LauncherActivityInfoCompat app = apps.get(i);
                     // This builds the icon bitmaps.
-                    mBgAllAppsList.add(new AppInfo(mContext, app, user, mIconCache, mLabelCache));
+                    mBgAllAppsList.add(new AppInfo(mContext, app, user, mIconCache));
                 }
 
                 if (ADD_MANAGED_PROFILE_SHORTCUTS && !user.equals(UserHandleCompat.myUserHandle())) {
@@ -2987,7 +2963,7 @@
                 case OP_ADD:
                     for (int i=0; i<N; i++) {
                         if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]);
-                        mIconCache.remove(packages[i], mUser);
+                        mIconCache.updateIconsForPkg(packages[i], mUser);
                         mBgAllAppsList.addPackage(context, packages[i], mUser);
                     }
 
@@ -3019,6 +2995,7 @@
                 case OP_UPDATE:
                     for (int i=0; i<N; i++) {
                         if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]);
+                        mIconCache.updateIconsForPkg(packages[i], mUser);
                         mBgAllAppsList.updatePackage(context, packages[i], mUser);
                         WidgetPreviewLoader.removePackageFromDb(
                                 mApp.getWidgetPreviewCacheDb(), packages[i]);
@@ -3038,12 +3015,15 @@
                         shortcutSet.removeAll(Arrays.asList(mPackages));
                         prefs.edit().putStringSet(shortcutsSetKey, shortcutSet).commit();
                     }
-                    // Fall through
-                case OP_UNAVAILABLE:
-                    boolean clearCache = mOp == OP_REMOVE;
                     for (int i=0; i<N; i++) {
                         if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]);
-                        mBgAllAppsList.removePackage(packages[i], mUser, clearCache);
+                        mIconCache.removeIconsForPkg(packages[i], mUser);
+                    }
+                    // Fall through
+                case OP_UNAVAILABLE:
+                    for (int i=0; i<N; i++) {
+                        if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]);
+                        mBgAllAppsList.removePackage(packages[i], mUser);
                         WidgetPreviewLoader.removePackageFromDb(
                                 mApp.getWidgetPreviewCacheDb(), packages[i]);
                     }
@@ -3077,13 +3057,7 @@
                     new HashMap<ComponentName, AppInfo>();
 
             if (added != null) {
-                // Ensure that we add all the workspace applications to the db
-                if (LauncherAppState.isDisableAllApps()) {
-                    final ArrayList<ItemInfo> addedInfos = new ArrayList<ItemInfo>(added);
-                    addAndBindAddedWorkspaceApps(context, addedInfos);
-                } else {
-                    addAppsToAllApps(context, added);
-                }
+                addAppsToAllApps(context, added);
                 for (AppInfo ai : added) {
                     addedOrUpdatedApps.put(ai.componentName, ai);
                 }
@@ -3136,7 +3110,6 @@
                                 AppInfo appInfo = addedOrUpdatedApps.get(cn);
 
                                 if (si.isPromise()) {
-                                    mIconCache.deletePreloadedIcon(cn, mUser);
                                     if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) {
                                         // Auto install icon
                                         PackageManager pm = context.getPackageManager();
@@ -3381,7 +3354,7 @@
             int promiseType) {
         final ShortcutInfo info = new ShortcutInfo();
         info.user = UserHandleCompat.myUserHandle();
-        mIconCache.getTitleAndIcon(info, intent, info.user, true);
+        mIconCache.getTitleAndIcon(info, intent, info.user);
 
         if ((promiseType & ShortcutInfo.FLAG_RESTORED_ICON) != 0) {
             String title = (cursor != null) ? cursor.getString(titleIndex) : null;
@@ -3424,22 +3397,13 @@
     }
 
     /**
-     * This is called from the code that adds shortcuts from the intent receiver.  This
-     * doesn't have a Cursor, but
-     */
-    public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent,
-            UserHandleCompat user, Context context) {
-        return getShortcutInfo(manager, intent, user, context, null, -1, -1, null, false);
-    }
-
-    /**
      * Make an ShortcutInfo object for a shortcut that is an application.
      *
      * If c is not null, then it will be used to fill in missing data like the title and icon.
      */
-    public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent,
+    public ShortcutInfo getAppShortcutInfo(PackageManager manager, Intent intent,
             UserHandleCompat user, Context context, Cursor c, int iconIndex, int titleIndex,
-            HashMap<Object, CharSequence> labelCache, boolean allowMissingTarget) {
+            boolean allowMissingTarget) {
         if (user == null) {
             Log.d(TAG, "Null user found in getShortcutInfo");
             return null;
@@ -3461,48 +3425,22 @@
         }
 
         final ShortcutInfo info = new ShortcutInfo();
-
-        // the resource -- This may implicitly give us back the fallback icon,
-        // but don't worry about that.  All we're doing with usingFallbackIcon is
-        // to avoid saving lots of copies of that in the database, and most apps
-        // have icons anyway.
-        Bitmap icon = mIconCache.getIcon(componentName, lai, labelCache);
-
-        // the db
-        if (icon == null) {
-            if (c != null) {
-                icon = getIconFromCursor(c, iconIndex, context);
-            }
-        }
-        // the fallback icon
-        if (icon == null) {
-            icon = mIconCache.getDefaultIcon(user);
-            info.usingFallbackIcon = true;
-        }
-        info.setIcon(icon);
-
-        // From the cache.
-        if (labelCache != null) {
-            info.title = labelCache.get(componentName);
+        mIconCache.getTitleAndIcon(info, componentName, lai, user, false);
+        if (mIconCache.isDefaultIcon(info.getIcon(mIconCache), user) && c != null) {
+            Bitmap icon = Utilities.createIconBitmap(c, iconIndex, context);
+            info.setIcon(icon == null ? mIconCache.getDefaultIcon(user) : icon);
         }
 
-        // from the resource
-        if (info.title == null && lai != null) {
-            info.title = lai.getLabel();
-            if (labelCache != null) {
-                labelCache.put(componentName, info.title);
-            }
-        }
         // from the db
-        if (info.title == null) {
-            if (c != null) {
-                info.title =  c.getString(titleIndex);
-            }
+        if (TextUtils.isEmpty(info.title) && c != null) {
+            info.title =  c.getString(titleIndex);
         }
+
         // fall back to the class name of the activity
         if (info.title == null) {
             info.title = componentName.getClassName();
         }
+
         info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
         info.user = user;
         info.contentDescription = mUserManager.getBadgedLabelForUser(
@@ -3581,7 +3519,7 @@
             icon = Utilities.createIconBitmap(packageName, resourceName, mIconCache, context);
             // the db
             if (icon == null) {
-                icon = getIconFromCursor(c, iconIndex, context);
+                icon = Utilities.createIconBitmap(c, iconIndex, context);
             }
             // the fallback icon
             if (icon == null) {
@@ -3590,7 +3528,7 @@
             }
             break;
         case LauncherSettings.Favorites.ICON_TYPE_BITMAP:
-            icon = getIconFromCursor(c, iconIndex, context);
+            icon = Utilities.createIconBitmap(c, iconIndex, context);
             if (icon == null) {
                 icon = mIconCache.getDefaultIcon(info.user);
                 info.customIcon = false;
@@ -3609,22 +3547,6 @@
         return info;
     }
 
-    Bitmap getIconFromCursor(Cursor c, int iconIndex, Context context) {
-        @SuppressWarnings("all") // suppress dead code warning
-        final boolean debug = false;
-        if (debug) {
-            Log.d(TAG, "getIconFromCursor app="
-                    + c.getString(c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE)));
-        }
-        byte[] data = c.getBlob(iconIndex);
-        try {
-            return Utilities.createIconBitmap(
-                    BitmapFactory.decodeByteArray(data, 0, data.length), context);
-        } catch (Exception e) {
-            return null;
-        }
-    }
-
     ShortcutInfo infoFromShortcutIntent(Context context, Intent data) {
         Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT);
         String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
@@ -3673,45 +3595,6 @@
         return info;
     }
 
-    boolean queueIconToBeChecked(HashMap<Object, byte[]> cache, ShortcutInfo info, Cursor c,
-            int iconIndex) {
-        // If apps can't be on SD, don't even bother.
-        if (!mAppsCanBeOnRemoveableStorage) {
-            return false;
-        }
-        // If this icon doesn't have a custom icon, check to see
-        // what's stored in the DB, and if it doesn't match what
-        // we're going to show, store what we are going to show back
-        // into the DB.  We do this so when we're loading, if the
-        // package manager can't find an icon (for example because
-        // the app is on SD) then we can use that instead.
-        if (!info.customIcon && !info.usingFallbackIcon) {
-            cache.put(info, c.getBlob(iconIndex));
-            return true;
-        }
-        return false;
-    }
-    void updateSavedIcon(Context context, ShortcutInfo info, byte[] data) {
-        boolean needSave = false;
-        try {
-            if (data != null) {
-                Bitmap saved = BitmapFactory.decodeByteArray(data, 0, data.length);
-                Bitmap loaded = info.getIcon(mIconCache);
-                needSave = !saved.sameAs(loaded);
-            } else {
-                needSave = true;
-            }
-        } catch (Exception e) {
-            needSave = true;
-        }
-        if (needSave) {
-            Log.d(TAG, "going to save icon bitmap for info=" + info);
-            // This is slower than is ideal, but this only happens once
-            // or when the app is updated with a new icon.
-            updateItemInDatabase(context, info);
-        }
-    }
-
     /**
      * Return an existing FolderInfo object if we have encountered this ID previously,
      * or make a new one.
@@ -3761,38 +3644,7 @@
             return new ComponentName(info.serviceInfo.packageName, info.serviceInfo.name);
         }
     }
-    public static class ShortcutNameComparator implements Comparator<LauncherActivityInfoCompat> {
-        private Collator mCollator;
-        private HashMap<Object, CharSequence> mLabelCache;
-        ShortcutNameComparator(PackageManager pm) {
-            mLabelCache = new HashMap<Object, CharSequence>();
-            mCollator = Collator.getInstance();
-        }
-        ShortcutNameComparator(HashMap<Object, CharSequence> labelCache) {
-            mLabelCache = labelCache;
-            mCollator = Collator.getInstance();
-        }
-        public final int compare(LauncherActivityInfoCompat a, LauncherActivityInfoCompat b) {
-            String labelA, labelB;
-            ComponentName keyA = a.getComponentName();
-            ComponentName keyB = b.getComponentName();
-            if (mLabelCache.containsKey(keyA)) {
-                labelA = mLabelCache.get(keyA).toString();
-            } else {
-                labelA = a.getLabel().toString().trim();
 
-                mLabelCache.put(keyA, labelA);
-            }
-            if (mLabelCache.containsKey(keyB)) {
-                labelB = mLabelCache.get(keyB).toString();
-            } else {
-                labelB = b.getLabel().toString().trim();
-
-                mLabelCache.put(keyB, labelB);
-            }
-            return mCollator.compare(labelA, labelB);
-        }
-    };
     public static class WidgetAndShortcutNameComparator implements Comparator<Object> {
         private final AppWidgetManagerCompat mManager;
         private final PackageManager mPackageManager;
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 0cdd64c..b618444 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -151,7 +151,7 @@
         SQLiteDatabase db = mOpenHelper.getWritableDatabase();
         addModifiedTime(initialValues);
         final long rowId = dbInsertAndCheck(mOpenHelper, db, args.table, null, initialValues);
-        if (rowId <= 0) return null;
+        if (rowId < 0) return null;
 
         uri = ContentUris.withAppendedId(uri, rowId);
         sendNotify(uri);
diff --git a/src/com/android/launcher3/ShortcutInfo.java b/src/com/android/launcher3/ShortcutInfo.java
index 15d6a3e..08ffaa2 100644
--- a/src/com/android/launcher3/ShortcutInfo.java
+++ b/src/com/android/launcher3/ShortcutInfo.java
@@ -23,6 +23,7 @@
 import android.graphics.Bitmap;
 import android.util.Log;
 
+import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.compat.UserHandleCompat;
 
 import java.util.ArrayList;
@@ -190,8 +191,9 @@
     }
 
     public void updateIcon(IconCache iconCache) {
-        mIcon = iconCache.getIcon(promisedIntent != null ? promisedIntent : intent, user);
-        usingFallbackIcon = iconCache.isDefaultIcon(mIcon, user);
+        if (itemType == Favorites.ITEM_TYPE_APPLICATION) {
+            iconCache.getTitleAndIcon(this, promisedIntent != null ? promisedIntent : intent, user);
+        }
     }
 
     @Override
@@ -213,9 +215,9 @@
             if (!usingFallbackIcon) {
                 writeBitmap(values, mIcon);
             }
-            values.put(LauncherSettings.BaseLauncherColumns.ICON_TYPE,
-                    LauncherSettings.BaseLauncherColumns.ICON_TYPE_RESOURCE);
             if (iconResource != null) {
+                values.put(LauncherSettings.BaseLauncherColumns.ICON_TYPE,
+                        LauncherSettings.BaseLauncherColumns.ICON_TYPE_RESOURCE);
                 values.put(LauncherSettings.BaseLauncherColumns.ICON_PACKAGE,
                         iconResource.packageName);
                 values.put(LauncherSettings.BaseLauncherColumns.ICON_RESOURCE,
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 1a9b9a1..497b438 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -31,7 +31,9 @@
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
+import android.database.Cursor;
 import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Matrix;
@@ -112,6 +114,15 @@
         return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
     }
 
+    static Bitmap createIconBitmap(Cursor c, int iconIndex, Context context) {
+        byte[] data = c.getBlob(iconIndex);
+        try {
+            return createIconBitmap(BitmapFactory.decodeByteArray(data, 0, data.length), context);
+        } catch (Exception e) {
+            return null;
+        }
+    }
+
     /**
      * Returns a bitmap suitable for the all apps view. If the package or the resource do not
      * exist, it returns null.
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 626154e..b9c1f4d 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -4772,7 +4772,7 @@
                         if (shortcutInfo.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) {
                             // For auto install apps update the icon as well as label.
                             mIconCache.getTitleAndIcon(shortcutInfo,
-                                    shortcutInfo.promisedIntent, user, true);
+                                    shortcutInfo.promisedIntent, user);
                         } else {
                             // Only update the icon for restored apps.
                             shortcutInfo.updateIcon(mIconCache);
diff --git a/tests/Android.mk b/tests/Android.mk
index 762a52b..eba4ade 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -1,4 +1,4 @@
-# Copyright (C) 2011 The Android Open Source Project
+# Copyright (C) 2015 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.
@@ -12,5 +12,26 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-#LOCAL_PATH := $(call my-dir)
-#include $(call all-makefiles-under,$(LOCAL_PATH))
+
+LOCAL_PATH := $(call my-dir)
+
+src_dirs := src
+res_dirs := res
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := tests
+
+LOCAL_STATIC_JAVA_LIBRARIES := android-support-test
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+LOCAL_RESOURCE_DIR := $(addprefix $(LOCAL_PATH)/, $(res_dirs))
+LOCAL_AAPT_FLAGS := --auto-add-overlay
+
+LOCAL_SDK_VERSION := 21
+
+LOCAL_PACKAGE_NAME := Launcher3Tests
+
+LOCAL_INSTRUMENTATION_FOR := Launcher3
+
+include $(BUILD_PACKAGE)
diff --git a/tests/stress/AndroidManifest.xml b/tests/AndroidManifest.xml
similarity index 83%
rename from tests/stress/AndroidManifest.xml
rename to tests/AndroidManifest.xml
index bcca1ff..42ae5a3 100644
--- a/tests/stress/AndroidManifest.xml
+++ b/tests/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="2.0" encoding="utf-8"?>
-<!-- Copyright (C) 2010 The Android Open Source Project
+<!-- Copyright (C) 2015 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.
@@ -15,7 +15,7 @@
 -->
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.android.launcher3.stress.launcherrotation">
+    package="com.android.launcher3.tests">
 
     <application>
         <uses-library android:name="android.test.runner" />
@@ -24,6 +24,6 @@
     <instrumentation
         android:name="android.test.InstrumentationTestRunner"
         android:targetPackage="com.android.launcher3"
-        android:label="Rotation stress test using Launcher2">
+        android:label="Unit tests for Launcher3">
     </instrumentation>
 </manifest>
diff --git a/tests/src/com/android/launcher3/util/FocusLogicTest.java b/tests/src/com/android/launcher3/util/FocusLogicTest.java
new file mode 100644
index 0000000..fd2e2a8
--- /dev/null
+++ b/tests/src/com/android/launcher3/util/FocusLogicTest.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.launcher3;
+
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+/**
+ * Tests the {@link FocusLogic} class that handles key event based focus handling.
+ */
+@SmallTest
+public final class FocusLogicTest extends AndroidTestCase {
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        // Nothing to set up as this class only tests static methods.
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        // Nothing to tear down as this class only tests static methods.
+    }
+
+    public void testShouldConsume() {
+        // write tests.
+    }
+}
diff --git a/tests/stress/Android.mk b/tests/stress/Android.mk
deleted file mode 100644
index 68289bd..0000000
--- a/tests/stress/Android.mk
+++ /dev/null
@@ -1,31 +0,0 @@
-# Copyright (C) 2011 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.
-#
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-
-# We only want this apk build for tests.
-LOCAL_MODULE_TAGS := tests
-
-LOCAL_JAVA_LIBRARIES := android.test.runner
-
-LOCAL_SRC_FILES := $(call all-java-files-under, src)
-
-LOCAL_PACKAGE_NAME := LauncherRotationStressTest
-
-LOCAL_CERTIFICATE := shared
-
-LOCAL_INSTRUMENTATION_FOR := Launcher2
-
-include $(BUILD_PACKAGE)
diff --git a/tests/stress/src/com/android/launcher3/stress/LauncherRotationStressTest.java b/tests/stress/src/com/android/launcher3/stress/LauncherRotationStressTest.java
deleted file mode 100644
index a5b85eb..0000000
--- a/tests/stress/src/com/android/launcher3/stress/LauncherRotationStressTest.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.stress;
-
-
-import com.android.launcher3.Launcher;
-
-import android.content.pm.ActivityInfo;
-import android.os.SystemClock;
-import android.test.ActivityInstrumentationTestCase2;
-import android.test.RepetitiveTest;
-import android.util.Log;
-
-/**
- * Run rotation stress test using Launcher2 for 50 iterations.
- */
-public class LauncherRotationStressTest extends ActivityInstrumentationTestCase2<Launcher> {
-
-    private static final int NUM_ITERATIONS = 50;
-    private static final int WAIT_TIME_MS = 500;
-    private static final String LOG_TAG = "LauncherRotationStressTest";
-
-    public LauncherRotationStressTest() {
-        super(Launcher.class);
-    }
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-    }
-
-    @Override
-    protected void tearDown() throws Exception {
-        super.tearDown();
-    }
-
-    @RepetitiveTest(numIterations=NUM_ITERATIONS)
-    public void testLauncherRotationStress() throws Exception {
-        Launcher launcher = getActivity();
-        getInstrumentation().waitForIdleSync();
-        SystemClock.sleep(WAIT_TIME_MS);
-        launcher.setRequestedOrientation(
-                ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
-        getInstrumentation().waitForIdleSync();
-        SystemClock.sleep(WAIT_TIME_MS);
-        launcher.setRequestedOrientation(
-                ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
-    }
-}