diff --git a/res/drawable-hdpi/ic_pageindicator_current.png b/res/drawable-hdpi/ic_pageindicator_current.png
index 2e841f5..283f44d 100644
--- a/res/drawable-hdpi/ic_pageindicator_current.png
+++ b/res/drawable-hdpi/ic_pageindicator_current.png
Binary files differ
diff --git a/res/drawable-hdpi/ic_pageindicator_default.png b/res/drawable-hdpi/ic_pageindicator_default.png
index 07ab948..e63ee50 100644
--- a/res/drawable-hdpi/ic_pageindicator_default.png
+++ b/res/drawable-hdpi/ic_pageindicator_default.png
Binary files differ
diff --git a/res/drawable-mdpi/ic_pageindicator_current.png b/res/drawable-mdpi/ic_pageindicator_current.png
index 08f43b4..b41e1bb 100644
--- a/res/drawable-mdpi/ic_pageindicator_current.png
+++ b/res/drawable-mdpi/ic_pageindicator_current.png
Binary files differ
diff --git a/res/drawable-mdpi/ic_pageindicator_default.png b/res/drawable-mdpi/ic_pageindicator_default.png
index 635be4a..7584a9e 100644
--- a/res/drawable-mdpi/ic_pageindicator_default.png
+++ b/res/drawable-mdpi/ic_pageindicator_default.png
Binary files differ
diff --git a/res/drawable-xhdpi/ic_pageindicator_current.png b/res/drawable-xhdpi/ic_pageindicator_current.png
index 0e9a52f..8fa774d 100644
--- a/res/drawable-xhdpi/ic_pageindicator_current.png
+++ b/res/drawable-xhdpi/ic_pageindicator_current.png
Binary files differ
diff --git a/res/drawable-xhdpi/ic_pageindicator_default.png b/res/drawable-xhdpi/ic_pageindicator_default.png
index d0f14cd..f9c71b1 100644
--- a/res/drawable-xhdpi/ic_pageindicator_default.png
+++ b/res/drawable-xhdpi/ic_pageindicator_default.png
Binary files differ
diff --git a/res/drawable-xxhdpi/ic_pageindicator_current.png b/res/drawable-xxhdpi/ic_pageindicator_current.png
index b74e92e..22b290e 100644
--- a/res/drawable-xxhdpi/ic_pageindicator_current.png
+++ b/res/drawable-xxhdpi/ic_pageindicator_current.png
Binary files differ
diff --git a/res/drawable-xxhdpi/ic_pageindicator_default.png b/res/drawable-xxhdpi/ic_pageindicator_default.png
index e362ece..b9b5066 100644
--- a/res/drawable-xxhdpi/ic_pageindicator_default.png
+++ b/res/drawable-xxhdpi/ic_pageindicator_default.png
Binary files differ
diff --git a/res/layout-sw720dp/external_widget_drop_list_item.xml b/res/layout-sw720dp/external_widget_drop_list_item.xml
deleted file mode 100644
index 48e333b..0000000
--- a/res/layout-sw720dp/external_widget_drop_list_item.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2010 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-
-    android:layout_width="match_parent"
-    android:layout_height="64dp">
-    <ImageView
-        android:id="@+id/provider_icon"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical"
-        android:layout_marginStart="20dp"
-        android:maxWidth="32dp"
-        android:maxHeight="32dp"
-        android:scaleType="fitCenter"
-        android:src="@mipmap/ic_launcher_application" />
-    <TextView
-        android:id="@+id/provider"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_marginStart="5dp"
-        android:gravity="center_vertical"
-        android:textSize="18sp" />
-</LinearLayout>
diff --git a/res/mipmap-hdpi/ic_launcher_application.png b/res/mipmap-hdpi/ic_launcher_application.png
deleted file mode 100644
index b9aa101..0000000
--- a/res/mipmap-hdpi/ic_launcher_application.png
+++ /dev/null
Binary files differ
diff --git a/res/mipmap-mdpi/ic_launcher_application.png b/res/mipmap-mdpi/ic_launcher_application.png
deleted file mode 100644
index 4771b85..0000000
--- a/res/mipmap-mdpi/ic_launcher_application.png
+++ /dev/null
Binary files differ
diff --git a/res/mipmap-xhdpi/ic_launcher_application.png b/res/mipmap-xhdpi/ic_launcher_application.png
deleted file mode 100644
index 932f0f7..0000000
--- a/res/mipmap-xhdpi/ic_launcher_application.png
+++ /dev/null
Binary files differ
diff --git a/res/mipmap-xxhdpi/ic_launcher_application.png b/res/mipmap-xxhdpi/ic_launcher_application.png
deleted file mode 100644
index 7fc739a..0000000
--- a/res/mipmap-xxhdpi/ic_launcher_application.png
+++ /dev/null
Binary files differ
diff --git a/src/com/android/launcher3/InstallWidgetReceiver.java b/src/com/android/launcher3/InstallWidgetReceiver.java
deleted file mode 100644
index 74b9e3d..0000000
--- a/src/com/android/launcher3/InstallWidgetReceiver.java
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3;
-
-import android.appwidget.AppWidgetProviderInfo;
-import android.content.ClipData;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.database.DataSetObserver;
-import android.graphics.drawable.Drawable;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.ListAdapter;
-import android.widget.TextView;
-
-import java.util.List;
-
-
-/**
- * We will likely flesh this out later, to handle allow external apps to place widgets, but for now,
- * we just want to expose the action around for checking elsewhere.
- */
-public class InstallWidgetReceiver {
-    public static final String ACTION_INSTALL_WIDGET =
-            "com.android.launcher3.action.INSTALL_WIDGET";
-    public static final String ACTION_SUPPORTS_CLIPDATA_MIMETYPE =
-            "com.android.launcher3.action.SUPPORTS_CLIPDATA_MIMETYPE";
-
-    // Currently not exposed.  Put into Intent when we want to make it public.
-    // TEMP: Should we call this "EXTRA_APPWIDGET_PROVIDER"?
-    public static final String EXTRA_APPWIDGET_COMPONENT =
-        "com.android.launcher3.extra.widget.COMPONENT";
-    public static final String EXTRA_APPWIDGET_CONFIGURATION_DATA_MIME_TYPE =
-        "com.android.launcher3.extra.widget.CONFIGURATION_DATA_MIME_TYPE";
-    public static final String EXTRA_APPWIDGET_CONFIGURATION_DATA =
-        "com.android.launcher3.extra.widget.CONFIGURATION_DATA";
-
-    /**
-     * A simple data class that contains per-item information that the adapter below can reference.
-     */
-    public static class WidgetMimeTypeHandlerData {
-        public ResolveInfo resolveInfo;
-        public AppWidgetProviderInfo widgetInfo;
-
-        public WidgetMimeTypeHandlerData(ResolveInfo rInfo, AppWidgetProviderInfo wInfo) {
-            resolveInfo = rInfo;
-            widgetInfo = wInfo;
-        }
-    }
-
-    /**
-     * The ListAdapter which presents all the valid widgets that can be created for a given drop.
-     */
-    public static class WidgetListAdapter implements ListAdapter, DialogInterface.OnClickListener {
-        private LayoutInflater mInflater;
-        private Launcher mLauncher;
-        private String mMimeType;
-        private ClipData mClipData;
-        private List<WidgetMimeTypeHandlerData> mActivities;
-        private int mTargetLayoutScreen;
-        private int[] mTargetLayoutPos;
-
-        public WidgetListAdapter(Launcher l, String mimeType, ClipData data,
-                List<WidgetMimeTypeHandlerData> list, int targetScreen, int[] targetPos) {
-            mLauncher = l;
-            mMimeType = mimeType;
-            mClipData = data;
-            mActivities = list;
-            mTargetLayoutScreen = targetScreen;
-            mTargetLayoutPos = targetPos;
-        }
-
-        @Override
-        public void registerDataSetObserver(DataSetObserver observer) {
-        }
-
-        @Override
-        public void unregisterDataSetObserver(DataSetObserver observer) {
-        }
-
-        @Override
-        public int getCount() {
-            return mActivities.size();
-        }
-
-        @Override
-        public Object getItem(int position) {
-            return null;
-        }
-
-        @Override
-        public long getItemId(int position) {
-            return position;
-        }
-
-        @Override
-        public boolean hasStableIds() {
-            return true;
-        }
-
-        @Override
-        public View getView(int position, View convertView, ViewGroup parent) {
-            final Context context = parent.getContext();
-            final PackageManager packageManager = context.getPackageManager();
-
-            // Lazy-create inflater
-            if (mInflater == null) {
-                mInflater = LayoutInflater.from(context);
-            }
-
-            // Use the convert-view where possible
-            if (convertView == null) {
-                convertView = mInflater.inflate(R.layout.external_widget_drop_list_item, parent,
-                        false);
-            }
-
-            final WidgetMimeTypeHandlerData data = mActivities.get(position);
-            final ResolveInfo resolveInfo = data.resolveInfo;
-            final AppWidgetProviderInfo widgetInfo = data.widgetInfo;
-
-            // Set the icon
-            Drawable d = resolveInfo.loadIcon(packageManager);
-            ImageView i = (ImageView) convertView.findViewById(R.id.provider_icon);
-            i.setImageDrawable(d);
-
-            // Set the text
-            final CharSequence component = resolveInfo.loadLabel(packageManager);
-            final int[] widgetSpan = new int[2];
-            CellLayout.rectToCell(widgetInfo.minWidth, widgetInfo.minHeight, widgetSpan);
-            TextView t = (TextView) convertView.findViewById(R.id.provider);
-            t.setText(context.getString(R.string.external_drop_widget_pick_format,
-                    component, widgetSpan[0], widgetSpan[1]));
-
-            return convertView;
-        }
-
-        @Override
-        public int getItemViewType(int position) {
-            return 0;
-        }
-
-        @Override
-        public int getViewTypeCount() {
-            return 1;
-        }
-
-        @Override
-        public boolean isEmpty() {
-            return mActivities.isEmpty();
-        }
-
-        @Override
-        public boolean areAllItemsEnabled() {
-            return false;
-        }
-
-        @Override
-        public boolean isEnabled(int position) {
-            return true;
-        }
-
-        @Override
-        public void onClick(DialogInterface dialog, int which) {
-            final AppWidgetProviderInfo widgetInfo = mActivities.get(which).widgetInfo;
-
-            final PendingAddWidgetInfo createInfo = new PendingAddWidgetInfo(widgetInfo, mMimeType,
-                    mClipData);
-            mLauncher.addAppWidgetFromDrop(createInfo, LauncherSettings.Favorites.CONTAINER_DESKTOP,
-                    mTargetLayoutScreen, null, null, mTargetLayoutPos);
-        }
-    }
-}
diff --git a/src/com/android/launcher3/compat/PackageInstallerCompatVL.java b/src/com/android/launcher3/compat/PackageInstallerCompatVL.java
index a84bf02..601f04c 100644
--- a/src/com/android/launcher3/compat/PackageInstallerCompatVL.java
+++ b/src/com/android/launcher3/compat/PackageInstallerCompatVL.java
@@ -20,6 +20,7 @@
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageInstaller.SessionCallback;
 import android.content.pm.PackageInstaller.SessionInfo;
+import android.os.Handler;
 import android.util.Log;
 import android.util.SparseArray;
 
@@ -29,15 +30,18 @@
 import java.util.ArrayList;
 import java.util.HashSet;
 
-public class PackageInstallerCompatVL extends PackageInstallerCompat {
+public class PackageInstallerCompatVL extends PackageInstallerCompat implements Runnable {
 
     private static final String TAG = "PackageInstallerCompatVL";
     private static final boolean DEBUG = false;
 
+    // All updates to these sets must happen on the {@link #mWorker} thread.
     private final SparseArray<SessionInfo> mPendingReplays = new SparseArray<SessionInfo>();
     private final HashSet<String> mPendingBadgeUpdates = new HashSet<String>();
+
     private final PackageInstaller mInstaller;
     private final IconCache mCache;
+    private final Handler mWorker;
 
     private boolean mResumed;
     private boolean mBound;
@@ -46,16 +50,23 @@
         mInstaller = context.getPackageManager().getPackageInstaller();
         LauncherAppState.setApplicationContext(context.getApplicationContext());
         mCache = LauncherAppState.getInstance().getIconCache();
+        mWorker = new Handler();
 
         mResumed = false;
         mBound = false;
 
-        mInstaller.registerSessionCallback(mCallback);
+        mInstaller.registerSessionCallback(mCallback, mWorker);
 
         // On start, send updates for all active sessions
-        for (SessionInfo info : mInstaller.getAllSessions()) {
-            mPendingReplays.append(info.getSessionId(), info);
-        }
+        mWorker.post(new Runnable() {
+
+            @Override
+            public void run() {
+                for (SessionInfo info : mInstaller.getAllSessions()) {
+                    mPendingReplays.append(info.getSessionId(), info);
+                }
+            }
+        });
     }
 
     @Override
@@ -87,7 +98,7 @@
     @Override
     public void onFinishBind() {
         mBound = true;
-        replayUpdates(null);
+        mWorker.post(this);
     }
 
     @Override
@@ -98,7 +109,7 @@
     @Override
     public void onResume() {
         mResumed = true;
-        replayUpdates(null);
+        mWorker.post(this);
     }
 
     @Override
@@ -106,6 +117,12 @@
         // No op
     }
 
+    @Override
+    public void run() {
+        // Called on mWorker thread.
+        replayUpdates(null);
+    }
+
     private void replayUpdates(PackageInstallInfo newInfo) {
         if (DEBUG) Log.d(TAG, "updates resumed");
         if (!mResumed || !mBound) {