diff --git a/Android.mk b/Android.mk
index 110117b..632dd09 100644
--- a/Android.mk
+++ b/Android.mk
@@ -23,8 +23,6 @@
 
 LOCAL_MODULE_TAGS := optional
 
-LOCAL_STATIC_JAVA_LIBRARIES := android-support-v13
-
 LOCAL_SRC_FILES := $(call all-java-files-under, src) \
     $(call all-java-files-under, WallpaperPicker/src) \
     $(call all-renderscript-files-under, src) \
diff --git a/WallpaperPicker/AndroidManifest.xml b/WallpaperPicker/AndroidManifest.xml
index 5b6a007..cb1457b 100644
--- a/WallpaperPicker/AndroidManifest.xml
+++ b/WallpaperPicker/AndroidManifest.xml
@@ -4,7 +4,7 @@
         android:versionCode="1"
         android:versionName="1.0"
         >
-  
-    <uses-sdk android:minSdkVersion="15" android:targetSdkVersion="19" />
+
+    <uses-sdk android:minSdkVersion="16" android:targetSdkVersion="21" />
     <application/>
 </manifest>
diff --git a/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java b/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java
index a671ed2..6a816d9 100644
--- a/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java
+++ b/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java
@@ -18,17 +18,13 @@
 
 import android.graphics.Bitmap;
 import android.graphics.Bitmap.CompressFormat;
-import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Matrix;
 import android.graphics.Paint;
-import android.os.Build;
 import android.util.FloatMath;
 import android.util.Log;
 
 import java.io.ByteArrayOutputStream;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 
 public class BitmapUtils {
     private static final String TAG = "BitmapUtils";
@@ -187,54 +183,6 @@
         return bitmap;
     }
 
-    public static Bitmap createVideoThumbnail(String filePath) {
-        // MediaMetadataRetriever is available on API Level 8
-        // but is hidden until API Level 10
-        Class<?> clazz = null;
-        Object instance = null;
-        try {
-            clazz = Class.forName("android.media.MediaMetadataRetriever");
-            instance = clazz.newInstance();
-
-            Method method = clazz.getMethod("setDataSource", String.class);
-            method.invoke(instance, filePath);
-
-            // The method name changes between API Level 9 and 10.
-            if (Build.VERSION.SDK_INT <= 9) {
-                return (Bitmap) clazz.getMethod("captureFrame").invoke(instance);
-            } else {
-                byte[] data = (byte[]) clazz.getMethod("getEmbeddedPicture").invoke(instance);
-                if (data != null) {
-                    Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
-                    if (bitmap != null) return bitmap;
-                }
-                return (Bitmap) clazz.getMethod("getFrameAtTime").invoke(instance);
-            }
-        } catch (IllegalArgumentException ex) {
-            // Assume this is a corrupt video file
-        } catch (RuntimeException ex) {
-            // Assume this is a corrupt video file.
-        } catch (InstantiationException e) {
-            Log.e(TAG, "createVideoThumbnail", e);
-        } catch (InvocationTargetException e) {
-            Log.e(TAG, "createVideoThumbnail", e);
-        } catch (ClassNotFoundException e) {
-            Log.e(TAG, "createVideoThumbnail", e);
-        } catch (NoSuchMethodException e) {
-            Log.e(TAG, "createVideoThumbnail", e);
-        } catch (IllegalAccessException e) {
-            Log.e(TAG, "createVideoThumbnail", e);
-        } finally {
-            try {
-                if (instance != null) {
-                    clazz.getMethod("release").invoke(instance);
-                }
-            } catch (Exception ignored) {
-            }
-        }
-        return null;
-    }
-
     public static byte[] compressToBytes(Bitmap bitmap) {
         return compressToBytes(bitmap, DEFAULT_JPEG_QUALITY);
     }
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
index 09e0963..043f630 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -500,10 +500,9 @@
         if (lastPhoto != null) {
             ImageView galleryThumbnailBg =
                     (ImageView) pickImageTile.findViewById(R.id.wallpaper_image);
-            galleryThumbnailBg.setImageBitmap(getThumbnailOfLastPhoto());
+            galleryThumbnailBg.setImageBitmap(lastPhoto);
             int colorOverlay = getResources().getColor(R.color.wallpaper_picker_translucent_gray);
             galleryThumbnailBg.setColorFilter(colorOverlay, PorterDuff.Mode.SRC_ATOP);
-
         }
 
         PickImageInfo pickImageInfo = new PickImageInfo();
diff --git a/WallpaperPicker/src/com/android/photos/views/BlockingGLTextureView.java b/WallpaperPicker/src/com/android/photos/views/BlockingGLTextureView.java
deleted file mode 100644
index 8a05051..0000000
--- a/WallpaperPicker/src/com/android/photos/views/BlockingGLTextureView.java
+++ /dev/null
@@ -1,438 +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.photos.views;
-
-import android.content.Context;
-import android.graphics.SurfaceTexture;
-import android.opengl.GLSurfaceView.Renderer;
-import android.opengl.GLUtils;
-import android.util.Log;
-import android.view.TextureView;
-import android.view.TextureView.SurfaceTextureListener;
-
-import javax.microedition.khronos.egl.EGL10;
-import javax.microedition.khronos.egl.EGLConfig;
-import javax.microedition.khronos.egl.EGLContext;
-import javax.microedition.khronos.egl.EGLDisplay;
-import javax.microedition.khronos.egl.EGLSurface;
-import javax.microedition.khronos.opengles.GL10;
-
-/**
- * A TextureView that supports blocking rendering for synchronous drawing
- */
-public class BlockingGLTextureView extends TextureView
-        implements SurfaceTextureListener {
-
-    private RenderThread mRenderThread;
-
-    public BlockingGLTextureView(Context context) {
-        super(context);
-        setSurfaceTextureListener(this);
-    }
-
-    public void setRenderer(Renderer renderer) {
-        if (mRenderThread != null) {
-            throw new IllegalArgumentException("Renderer already set");
-        }
-        mRenderThread = new RenderThread(renderer);
-    }
-
-    public void render() {
-        mRenderThread.render();
-    }
-
-    public void destroy() {
-        if (mRenderThread != null) {
-            mRenderThread.finish();
-            mRenderThread = null;
-        }
-    }
-
-    @Override
-    public void onSurfaceTextureAvailable(SurfaceTexture surface, int width,
-            int height) {
-        mRenderThread.setSurface(surface);
-        mRenderThread.setSize(width, height);
-    }
-
-    @Override
-    public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width,
-            int height) {
-        mRenderThread.setSize(width, height);
-    }
-
-    @Override
-    public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
-        if (mRenderThread != null) {
-            mRenderThread.setSurface(null);
-        }
-        return false;
-    }
-
-    @Override
-    public void onSurfaceTextureUpdated(SurfaceTexture surface) {
-    }
-
-    @Override
-    protected void finalize() throws Throwable {
-        try {
-            destroy();
-        } catch (Throwable t) {
-            // Ignore
-        }
-        super.finalize();
-    }
-
-    /**
-     * An EGL helper class.
-     */
-
-    private static class EglHelper {
-        private static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;
-        private static final int EGL_OPENGL_ES2_BIT = 4;
-
-        EGL10 mEgl;
-        EGLDisplay mEglDisplay;
-        EGLSurface mEglSurface;
-        EGLConfig mEglConfig;
-        EGLContext mEglContext;
-
-        private EGLConfig chooseEglConfig() {
-            int[] configsCount = new int[1];
-            EGLConfig[] configs = new EGLConfig[1];
-            int[] configSpec = getConfig();
-            if (!mEgl.eglChooseConfig(mEglDisplay, configSpec, configs, 1, configsCount)) {
-                throw new IllegalArgumentException("eglChooseConfig failed " +
-                        GLUtils.getEGLErrorString(mEgl.eglGetError()));
-            } else if (configsCount[0] > 0) {
-                return configs[0];
-            }
-            return null;
-        }
-
-        private static int[] getConfig() {
-            return new int[] {
-                    EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
-                    EGL10.EGL_RED_SIZE, 8,
-                    EGL10.EGL_GREEN_SIZE, 8,
-                    EGL10.EGL_BLUE_SIZE, 8,
-                    EGL10.EGL_ALPHA_SIZE, 8,
-                    EGL10.EGL_DEPTH_SIZE, 0,
-                    EGL10.EGL_STENCIL_SIZE, 0,
-                    EGL10.EGL_NONE
-            };
-        }
-
-        EGLContext createContext(EGL10 egl, EGLDisplay eglDisplay, EGLConfig eglConfig) {
-            int[] attribList = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE };
-            return egl.eglCreateContext(eglDisplay, eglConfig, EGL10.EGL_NO_CONTEXT, attribList);
-        }
-
-        /**
-         * Initialize EGL for a given configuration spec.
-         */
-        public void start() {
-            /*
-             * Get an EGL instance
-             */
-            mEgl = (EGL10) EGLContext.getEGL();
-
-            /*
-             * Get to the default display.
-             */
-            mEglDisplay = mEgl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
-
-            if (mEglDisplay == EGL10.EGL_NO_DISPLAY) {
-                throw new RuntimeException("eglGetDisplay failed");
-            }
-
-            /*
-             * We can now initialize EGL for that display
-             */
-            int[] version = new int[2];
-            if (!mEgl.eglInitialize(mEglDisplay, version)) {
-                throw new RuntimeException("eglInitialize failed");
-            }
-            mEglConfig = chooseEglConfig();
-
-            /*
-            * Create an EGL context. We want to do this as rarely as we can, because an
-            * EGL context is a somewhat heavy object.
-            */
-            mEglContext = createContext(mEgl, mEglDisplay, mEglConfig);
-
-            if (mEglContext == null || mEglContext == EGL10.EGL_NO_CONTEXT) {
-                mEglContext = null;
-                throwEglException("createContext");
-            }
-
-            mEglSurface = null;
-        }
-
-        /**
-         * Create an egl surface for the current SurfaceTexture surface. If a surface
-         * already exists, destroy it before creating the new surface.
-         *
-         * @return true if the surface was created successfully.
-         */
-        public boolean createSurface(SurfaceTexture surface) {
-            /*
-             * Check preconditions.
-             */
-            if (mEgl == null) {
-                throw new RuntimeException("egl not initialized");
-            }
-            if (mEglDisplay == null) {
-                throw new RuntimeException("eglDisplay not initialized");
-            }
-            if (mEglConfig == null) {
-                throw new RuntimeException("mEglConfig not initialized");
-            }
-
-            /*
-             *  The window size has changed, so we need to create a new
-             *  surface.
-             */
-            destroySurfaceImp();
-
-            /*
-             * Create an EGL surface we can render into.
-             */
-            if (surface != null) {
-                mEglSurface = mEgl.eglCreateWindowSurface(mEglDisplay, mEglConfig, surface, null);
-            } else {
-                mEglSurface = null;
-            }
-
-            if (mEglSurface == null || mEglSurface == EGL10.EGL_NO_SURFACE) {
-                int error = mEgl.eglGetError();
-                if (error == EGL10.EGL_BAD_NATIVE_WINDOW) {
-                    Log.e("EglHelper", "createWindowSurface returned EGL_BAD_NATIVE_WINDOW.");
-                }
-                return false;
-            }
-
-            /*
-             * Before we can issue GL commands, we need to make sure
-             * the context is current and bound to a surface.
-             */
-            if (!mEgl.eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
-                /*
-                 * Could not make the context current, probably because the underlying
-                 * SurfaceView surface has been destroyed.
-                 */
-                logEglErrorAsWarning("EGLHelper", "eglMakeCurrent", mEgl.eglGetError());
-                return false;
-            }
-
-            return true;
-        }
-
-        /**
-         * Create a GL object for the current EGL context.
-         */
-        public GL10 createGL() {
-            return (GL10) mEglContext.getGL();
-        }
-
-        /**
-         * Display the current render surface.
-         * @return the EGL error code from eglSwapBuffers.
-         */
-        public int swap() {
-            if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
-                return mEgl.eglGetError();
-            }
-            return EGL10.EGL_SUCCESS;
-        }
-
-        public void destroySurface() {
-            destroySurfaceImp();
-        }
-
-        private void destroySurfaceImp() {
-            if (mEglSurface != null && mEglSurface != EGL10.EGL_NO_SURFACE) {
-                mEgl.eglMakeCurrent(mEglDisplay, EGL10.EGL_NO_SURFACE,
-                        EGL10.EGL_NO_SURFACE,
-                        EGL10.EGL_NO_CONTEXT);
-                mEgl.eglDestroySurface(mEglDisplay, mEglSurface);
-                mEglSurface = null;
-            }
-        }
-
-        public void finish() {
-            if (mEglContext != null) {
-                mEgl.eglDestroyContext(mEglDisplay, mEglContext);
-                mEglContext = null;
-            }
-            if (mEglDisplay != null) {
-                mEgl.eglTerminate(mEglDisplay);
-                mEglDisplay = null;
-            }
-        }
-
-        private void throwEglException(String function) {
-            throwEglException(function, mEgl.eglGetError());
-        }
-
-        public static void throwEglException(String function, int error) {
-            String message = formatEglError(function, error);
-            throw new RuntimeException(message);
-        }
-
-        public static void logEglErrorAsWarning(String tag, String function, int error) {
-            Log.w(tag, formatEglError(function, error));
-        }
-
-        public static String formatEglError(String function, int error) {
-            return function + " failed: " + error;
-        }
-
-    }
-
-    private static class RenderThread extends Thread {
-        private static final int INVALID = -1;
-        private static final int RENDER = 1;
-        private static final int CHANGE_SURFACE = 2;
-        private static final int RESIZE_SURFACE = 3;
-        private static final int FINISH = 4;
-
-        private EglHelper mEglHelper = new EglHelper();
-
-        private Object mLock = new Object();
-        private int mExecMsgId = INVALID;
-        private SurfaceTexture mSurface;
-        private Renderer mRenderer;
-        private int mWidth, mHeight;
-
-        private boolean mFinished = false;
-        private GL10 mGL;
-
-        public RenderThread(Renderer renderer) {
-            super("RenderThread");
-            mRenderer = renderer;
-            start();
-        }
-
-        private void checkRenderer() {
-            if (mRenderer == null) {
-                throw new IllegalArgumentException("Renderer is null!");
-            }
-        }
-
-        private void checkSurface() {
-            if (mSurface == null) {
-                throw new IllegalArgumentException("surface is null!");
-            }
-        }
-
-        public void setSurface(SurfaceTexture surface) {
-            // If the surface is null we're being torn down, don't need a
-            // renderer then
-            if (surface != null) {
-                checkRenderer();
-            }
-            mSurface = surface;
-            exec(CHANGE_SURFACE);
-        }
-
-        public void setSize(int width, int height) {
-            checkRenderer();
-            checkSurface();
-            mWidth = width;
-            mHeight = height;
-            exec(RESIZE_SURFACE);
-        }
-
-        public void render() {
-            checkRenderer();
-            if (mSurface != null) {
-                exec(RENDER);
-                mSurface.updateTexImage();
-            }
-        }
-
-        public void finish() {
-            mSurface = null;
-            exec(FINISH);
-            try {
-                join();
-            } catch (InterruptedException e) {
-                // Ignore
-            }
-        }
-
-        private void exec(int msgid) {
-            synchronized (mLock) {
-                if (mExecMsgId != INVALID) {
-                    throw new IllegalArgumentException(
-                            "Message already set - multithreaded access?");
-                }
-                mExecMsgId = msgid;
-                mLock.notify();
-                try {
-                    mLock.wait();
-                } catch (InterruptedException e) {
-                    // Ignore
-                }
-            }
-        }
-
-        private void handleMessageLocked(int what) {
-            switch (what) {
-            case CHANGE_SURFACE:
-                if (mEglHelper.createSurface(mSurface)) {
-                    mGL = mEglHelper.createGL();
-                    mRenderer.onSurfaceCreated(mGL, mEglHelper.mEglConfig);
-                }
-                break;
-            case RESIZE_SURFACE:
-                mRenderer.onSurfaceChanged(mGL, mWidth, mHeight);
-                break;
-            case RENDER:
-                mRenderer.onDrawFrame(mGL);
-                mEglHelper.swap();
-                break;
-            case FINISH:
-                mEglHelper.destroySurface();
-                mEglHelper.finish();
-                mFinished = true;
-                break;
-            }
-        }
-
-        @Override
-        public void run() {
-            synchronized (mLock) {
-                mEglHelper.start();
-                while (!mFinished) {
-                    while (mExecMsgId == INVALID) {
-                        try {
-                            mLock.wait();
-                        } catch (InterruptedException e) {
-                            // Ignore
-                        }
-                    }
-                    handleMessageLocked(mExecMsgId);
-                    mExecMsgId = INVALID;
-                    mLock.notify();
-                }
-                mExecMsgId = FINISH;
-            }
-        }
-    }
-}
diff --git a/WallpaperPicker/src/com/android/photos/views/TiledImageRenderer.java b/WallpaperPicker/src/com/android/photos/views/TiledImageRenderer.java
index c4e493b..b0292e6 100644
--- a/WallpaperPicker/src/com/android/photos/views/TiledImageRenderer.java
+++ b/WallpaperPicker/src/com/android/photos/views/TiledImageRenderer.java
@@ -20,9 +20,9 @@
 import android.graphics.Bitmap;
 import android.graphics.Rect;
 import android.graphics.RectF;
-import android.support.v4.util.LongSparseArray;
 import android.util.DisplayMetrics;
 import android.util.Log;
+import android.util.LongSparseArray;
 import android.util.Pools.Pool;
 import android.util.Pools.SynchronizedPool;
 import android.view.View;
diff --git a/WallpaperPicker/src/com/android/photos/views/TiledImageView.java b/WallpaperPicker/src/com/android/photos/views/TiledImageView.java
index 94063b0..524fa2e 100644
--- a/WallpaperPicker/src/com/android/photos/views/TiledImageView.java
+++ b/WallpaperPicker/src/com/android/photos/views/TiledImageView.java
@@ -16,8 +16,6 @@
 
 package com.android.photos.views;
 
-import android.annotation.SuppressLint;
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
@@ -28,11 +26,9 @@
 import android.graphics.RectF;
 import android.opengl.GLSurfaceView;
 import android.opengl.GLSurfaceView.Renderer;
-import android.os.Build;
 import android.util.AttributeSet;
 import android.view.Choreographer;
 import android.view.Choreographer.FrameCallback;
-import android.view.View;
 import android.widget.FrameLayout;
 
 import com.android.gallery3d.glrenderer.BasicTexture;
@@ -43,18 +39,10 @@
 import javax.microedition.khronos.opengles.GL10;
 
 /**
- * Shows an image using {@link TiledImageRenderer} using either {@link GLSurfaceView}
- * or {@link BlockingGLTextureView}.
+ * Shows an image using {@link TiledImageRenderer} using either {@link GLSurfaceView}.
  */
 public class TiledImageView extends FrameLayout {
 
-    private static final boolean USE_TEXTURE_VIEW = false;
-    private static final boolean IS_SUPPORTED =
-            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
-    private static final boolean USE_CHOREOGRAPHER =
-            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
-
-    private BlockingGLTextureView mTextureView;
     private GLSurfaceView mGLSurfaceView;
     private boolean mInvalPending = false;
     private FrameCallback mFrameCallback;
@@ -79,35 +67,19 @@
     protected Object mLock = new Object();
     protected ImageRendererWrapper mRenderer;
 
-    public static boolean isTilingSupported() {
-        return IS_SUPPORTED;
-    }
-
     public TiledImageView(Context context) {
         this(context, null);
     }
 
     public TiledImageView(Context context, AttributeSet attrs) {
         super(context, attrs);
-        if (!IS_SUPPORTED) {
-            return;
-        }
-
         mRenderer = new ImageRendererWrapper();
         mRenderer.image = new TiledImageRenderer(this);
-        View view;
-        if (USE_TEXTURE_VIEW) {
-            mTextureView = new BlockingGLTextureView(context);
-            mTextureView.setRenderer(new TileRenderer());
-            view = mTextureView;
-        } else {
-            mGLSurfaceView = new GLSurfaceView(context);
-            mGLSurfaceView.setEGLContextClientVersion(2);
-            mGLSurfaceView.setRenderer(new TileRenderer());
-            mGLSurfaceView.setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
-            view = mGLSurfaceView;
-        }
-        addView(view, new LayoutParams(
+        mGLSurfaceView = new GLSurfaceView(context);
+        mGLSurfaceView.setEGLContextClientVersion(2);
+        mGLSurfaceView.setRenderer(new TileRenderer());
+        mGLSurfaceView.setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
+        addView(mGLSurfaceView, new LayoutParams(
                 LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
         //setTileSource(new ColoredTiles());
     }
@@ -117,22 +89,11 @@
         super.setVisibility(visibility);
         // need to update inner view's visibility because it seems like we're causing it to draw
         // from {@link #dispatchDraw} or {@link #invalidate} even if we are invisible.
-        if (USE_TEXTURE_VIEW) {
-            mTextureView.setVisibility(visibility);
-        } else {
-            mGLSurfaceView.setVisibility(visibility);
-        }
+        mGLSurfaceView.setVisibility(visibility);
     }
 
     public void destroy() {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        if (USE_TEXTURE_VIEW) {
-            mTextureView.destroy();
-        } else {
-            mGLSurfaceView.queueEvent(mFreeTextures);
-        }
+        mGLSurfaceView.queueEvent(mFreeTextures);
     }
 
     private Runnable mFreeTextures = new Runnable() {
@@ -144,27 +105,14 @@
     };
 
     public void onPause() {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        if (!USE_TEXTURE_VIEW) {
-            mGLSurfaceView.onPause();
-        }
+        mGLSurfaceView.onPause();
     }
 
     public void onResume() {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        if (!USE_TEXTURE_VIEW) {
-            mGLSurfaceView.onResume();
-        }
+        mGLSurfaceView.onResume();
     }
 
     public void setTileSource(TileSource source, Runnable isReadyCallback) {
-        if (!IS_SUPPORTED) {
-            return;
-        }
         synchronized (mLock) {
             mRenderer.source = source;
             mRenderer.isReadyCallback = isReadyCallback;
@@ -181,9 +129,6 @@
     protected void onLayout(boolean changed, int left, int top, int right,
             int bottom) {
         super.onLayout(changed, left, top, right, bottom);
-        if (!IS_SUPPORTED) {
-            return;
-        }
         synchronized (mLock) {
             updateScaleIfNecessaryLocked(mRenderer);
         }
@@ -200,43 +145,10 @@
     }
 
     @Override
-    protected void dispatchDraw(Canvas canvas) {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        if (USE_TEXTURE_VIEW) {
-            mTextureView.render();
-        }
-        super.dispatchDraw(canvas);
-    }
-
-    @SuppressLint("NewApi")
-    @Override
-    public void setTranslationX(float translationX) {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        super.setTranslationX(translationX);
-    }
-
-    @Override
     public void invalidate() {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        if (USE_TEXTURE_VIEW) {
-            super.invalidate();
-            mTextureView.invalidate();
-        } else {
-            if (USE_CHOREOGRAPHER) {
-                invalOnVsync();
-            } else {
-                mGLSurfaceView.requestRender();
-            }
-        }
+        invalOnVsync();
     }
 
-    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
     private void invalOnVsync() {
         if (!mInvalPending) {
             mInvalPending = true;
@@ -255,9 +167,6 @@
 
     private RectF mTempRectF = new RectF();
     public void positionFromMatrix(Matrix matrix) {
-        if (!IS_SUPPORTED) {
-            return;
-        }
         if (mRenderer.source != null) {
             final int rotation = mRenderer.source.getRotation();
             final boolean swap = !(rotation % 180 == 0);
diff --git a/protos/backup.proto b/protos/backup.proto
index 44c4b09..09330ee 100644
--- a/protos/backup.proto
+++ b/protos/backup.proto
@@ -72,6 +72,17 @@
 }
 
 message Favorite {
+  // Type of the app, this target represents
+  enum TargetType {
+    TARGET_NONE = 0;
+    TARGET_PHONE = 1;
+    TARGET_MESSENGER = 2;
+    TARGET_EMAIL = 3;
+    TARGET_BROWSER = 4;
+    TARGET_GALLERY = 5;
+    TARGET_CAMERA = 6;
+  }
+
   required int64 id = 1;
   required int32 itemType = 2;
   optional string title = 3;
@@ -90,6 +101,7 @@
   optional string iconPackage = 16;
   optional string iconResource = 17;
   optional bytes icon = 18;
+  optional TargetType targetType = 19 [default = TARGET_NONE];
  }
 
 message Screen {
diff --git a/res/xml/app_target_browser.xml b/res/xml/app_target_browser.xml
new file mode 100644
index 0000000..d7c3ed5
--- /dev/null
+++ b/res/xml/app_target_browser.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     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.
+-->
+
+<resolve xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3" >
+
+    <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_BROWSER;end" />
+    <favorite launcher:uri="http://www.example.com/" />
+
+</resolve>
\ No newline at end of file
diff --git a/res/xml/app_target_camera.xml b/res/xml/app_target_camera.xml
new file mode 100644
index 0000000..f65a2b1
--- /dev/null
+++ b/res/xml/app_target_camera.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     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.
+-->
+
+<resolve xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3" >
+
+    <favorite launcher:uri="#Intent;action=android.media.action.STILL_IMAGE_CAMERA;end" />
+    <favorite launcher:uri="#Intent;action=android.intent.action.CAMERA_BUTTON;end" />
+
+</resolve>
\ No newline at end of file
diff --git a/res/xml/app_target_email.xml b/res/xml/app_target_email.xml
new file mode 100644
index 0000000..44f0a40
--- /dev/null
+++ b/res/xml/app_target_email.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     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.
+-->
+
+<resolve xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3" >
+
+    <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_EMAIL;end" />
+    <favorite launcher:uri="mailto:" />
+
+</resolve>
\ No newline at end of file
diff --git a/res/xml/app_target_gallery.xml b/res/xml/app_target_gallery.xml
new file mode 100644
index 0000000..c9d3492
--- /dev/null
+++ b/res/xml/app_target_gallery.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     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.
+-->
+
+<resolve xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3" >
+
+    <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_GALLERY;end" />
+    <favorite launcher:uri="#Intent;type=images/*;end" />
+
+</resolve>
\ No newline at end of file
diff --git a/res/xml/app_target_messenger.xml b/res/xml/app_target_messenger.xml
new file mode 100644
index 0000000..278eb5c
--- /dev/null
+++ b/res/xml/app_target_messenger.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     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.
+-->
+
+<resolve xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3" >
+
+    <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_MESSAGING;end" />
+    <favorite launcher:uri="sms:" />
+    <favorite launcher:uri="smsto:" />
+    <favorite launcher:uri="mms:" />
+    <favorite launcher:uri="mmsto:" />
+
+</resolve>
\ No newline at end of file
diff --git a/res/xml/app_target_phone.xml b/res/xml/app_target_phone.xml
new file mode 100644
index 0000000..5d6ca31
--- /dev/null
+++ b/res/xml/app_target_phone.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     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.
+-->
+
+<resolve xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3" >
+
+    <favorite launcher:uri="#Intent;action=android.intent.action.DIAL;end" />
+    <favorite launcher:uri="tel:123" />
+    <favorite launcher:uri="#Intent;action=android.intent.action.CALL_BUTTON;end" />
+
+</resolve>
\ No newline at end of file
diff --git a/src/com/android/launcher3/AutoInstallsLayout.java b/src/com/android/launcher3/AutoInstallsLayout.java
index 3820660..908bd3d 100644
--- a/src/com/android/launcher3/AutoInstallsLayout.java
+++ b/src/com/android/launcher3/AutoInstallsLayout.java
@@ -116,7 +116,7 @@
 
     private final Context mContext;
     private final AppWidgetHost mAppWidgetHost;
-    private final LayoutParserCallback mCallback;
+    protected final LayoutParserCallback mCallback;
 
     protected final PackageManager mPackageManager;
     protected final Resources mSourceRes;
@@ -126,13 +126,20 @@
 
     private final long[] mTemp = new long[2];
     private final ContentValues mValues;
-    private final String mRootTag;
+    protected final String mRootTag;
 
     protected SQLiteDatabase mDb;
 
     public AutoInstallsLayout(Context context, AppWidgetHost appWidgetHost,
             LayoutParserCallback callback, Resources res,
             int layoutId, String rootTag) {
+        this(context, appWidgetHost, callback, res, layoutId, rootTag,
+                LauncherAppState.getInstance().getDynamicGrid().getDeviceProfile().hotseatAllAppsRank);
+    }
+
+    public AutoInstallsLayout(Context context, AppWidgetHost appWidgetHost,
+            LayoutParserCallback callback, Resources res,
+            int layoutId, String rootTag, int hotseatAllAppsRank) {
         mContext = context;
         mAppWidgetHost = appWidgetHost;
         mCallback = callback;
@@ -143,8 +150,7 @@
 
         mSourceRes = res;
         mLayoutId = layoutId;
-        mHotseatAllAppsRank = LauncherAppState.getInstance()
-                .getDynamicGrid().getDeviceProfile().hotseatAllAppsRank;
+        mHotseatAllAppsRank = hotseatAllAppsRank;
     }
 
     /**
diff --git a/src/com/android/launcher3/CommonAppTypeParser.java b/src/com/android/launcher3/CommonAppTypeParser.java
new file mode 100644
index 0000000..fe2fbd7
--- /dev/null
+++ b/src/com/android/launcher3/CommonAppTypeParser.java
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2008 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.ContentValues;
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.XmlResourceParser;
+import android.database.sqlite.SQLiteDatabase;
+import android.util.Log;
+
+import com.android.launcher3.AutoInstallsLayout.LayoutParserCallback;
+import com.android.launcher3.LauncherSettings.Favorites;
+import com.android.launcher3.backup.BackupProtos.Favorite;
+
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+
+/**
+ * A class that parses content values corresponding to some common app types.
+ */
+public class CommonAppTypeParser implements LayoutParserCallback {
+    private static final String TAG = "CommonAppTypeParser";
+
+    // Including TARGET_NONE
+    public static final int SUPPORTED_TYPE_COUNT = 7;
+
+    private static final int RESTORE_FLAG_BIT_SHIFT = 4;
+
+
+    private final long mItemId;
+    private final int mResId;
+    private final Context mContext;
+
+    ContentValues parsedValues;
+    Intent parsedIntent;
+    String parsedTitle;
+
+    public CommonAppTypeParser(long itemId, int itemType, Context context) {
+        mItemId = itemId;
+        mContext = context;
+        mResId = getResourceForItemType(itemType);
+    }
+
+    @Override
+    public long generateNewItemId() {
+        return mItemId;
+    }
+
+    @Override
+    public long insertAndCheck(SQLiteDatabase db, ContentValues values) {
+        parsedValues = values;
+
+        // Remove unwanted values
+        values.put(Favorites.ICON_TYPE, (Integer) null);
+        values.put(Favorites.ICON_PACKAGE, (String) null);
+        values.put(Favorites.ICON_RESOURCE, (String) null);
+        values.put(Favorites.ICON, (byte[]) null);
+        return 1;
+    }
+
+    /**
+     * Tries to find a suitable app to the provided app type.
+     */
+    public boolean findDefaultApp() {
+        if (mResId == 0) {
+            return false;
+        }
+
+        parsedIntent = null;
+        parsedValues = null;
+        new MyLayoutParser().parseValues();
+        return (parsedValues != null) && (parsedIntent != null);
+    }
+
+    private class MyLayoutParser extends DefaultLayoutParser {
+
+        public MyLayoutParser() {
+            super(mContext, null, CommonAppTypeParser.this,
+                    mContext.getResources(), mResId, TAG_RESOLVE, 0);
+        }
+
+        @Override
+        protected long addShortcut(String title, Intent intent, int type) {
+            if (type == Favorites.ITEM_TYPE_APPLICATION) {
+                parsedIntent = intent;
+                parsedTitle = title;
+            }
+            return super.addShortcut(title, intent, type);
+        }
+
+        public void parseValues() {
+            XmlResourceParser parser = mSourceRes.getXml(mLayoutId);
+            try {
+                beginDocument(parser, mRootTag);
+                new ResolveParser().parseAndAdd(parser);
+            } catch (IOException | XmlPullParserException e) {
+                Log.e(TAG, "Unable to parse default app info", e);
+            }
+            parser.close();
+        }
+    }
+
+    public static int getResourceForItemType(int type) {
+        switch (type) {
+            case Favorite.TARGET_PHONE:
+                return R.xml.app_target_phone;
+
+            case Favorite.TARGET_MESSENGER:
+                return R.xml.app_target_messenger;
+
+            case Favorite.TARGET_EMAIL:
+                return R.xml.app_target_email;
+
+            case Favorite.TARGET_BROWSER:
+                return R.xml.app_target_browser;
+
+            case Favorite.TARGET_GALLERY:
+                return R.xml.app_target_gallery;
+
+            case Favorite.TARGET_CAMERA:
+                return R.xml.app_target_camera;
+
+            default:
+                return 0;
+        }
+    }
+
+    public static int encodeItemTypeToFlag(int itemType) {
+        return itemType << RESTORE_FLAG_BIT_SHIFT;
+    }
+
+    public static int decodeItemTypeFromFlag(int flag) {
+        return (flag & ShortcutInfo.FLAG_RESTORED_APP_TYPE) >> RESTORE_FLAG_BIT_SHIFT;
+    }
+
+}
diff --git a/src/com/android/launcher3/DefaultLayoutParser.java b/src/com/android/launcher3/DefaultLayoutParser.java
index 986ae81..6c3008b 100644
--- a/src/com/android/launcher3/DefaultLayoutParser.java
+++ b/src/com/android/launcher3/DefaultLayoutParser.java
@@ -28,15 +28,15 @@
 public class DefaultLayoutParser extends AutoInstallsLayout {
     private static final String TAG = "DefaultLayoutParser";
 
-    private static final String TAG_RESOLVE = "resolve";
+    protected static final String TAG_RESOLVE = "resolve";
     private static final String TAG_FAVORITES = "favorites";
-    private static final String TAG_FAVORITE = "favorite";
+    protected static final String TAG_FAVORITE = "favorite";
     private static final String TAG_APPWIDGET = "appwidget";
     private static final String TAG_SHORTCUT = "shortcut";
     private static final String TAG_FOLDER = "folder";
     private static final String TAG_PARTNER_FOLDER = "partner-folder";
 
-    private static final String ATTR_URI = "uri";
+    protected static final String ATTR_URI = "uri";
     private static final String ATTR_CONTAINER = "container";
     private static final String ATTR_SCREEN = "screen";
     private static final String ATTR_FOLDER_ITEMS = "folderItems";
@@ -44,7 +44,12 @@
     public DefaultLayoutParser(Context context, AppWidgetHost appWidgetHost,
             LayoutParserCallback callback, Resources sourceRes, int layoutId) {
         super(context, appWidgetHost, callback, sourceRes, layoutId, TAG_FAVORITES);
-        Log.e(TAG, "Default layout parser initialized");
+    }
+
+    public DefaultLayoutParser(Context context, AppWidgetHost appWidgetHost,
+            LayoutParserCallback callback, Resources sourceRes, int layoutId, String rootTag,
+            int hotseatAllAppsRank) {
+        super(context, appWidgetHost, callback, sourceRes, layoutId, rootTag, hotseatAllAppsRank);
     }
 
     @Override
@@ -196,7 +201,7 @@
     /**
      * Contains a list of <favorite> nodes, and accepts the first successfully parsed node.
      */
-    private class ResolveParser implements TagParser {
+    protected class ResolveParser implements TagParser {
 
         private final AppShortcutWithUriParser mChildParser = new AppShortcutWithUriParser();
 
diff --git a/src/com/android/launcher3/Folder.java b/src/com/android/launcher3/Folder.java
index 66b6568..6925477 100644
--- a/src/com/android/launcher3/Folder.java
+++ b/src/com/android/launcher3/Folder.java
@@ -21,12 +21,13 @@
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.animation.PropertyValuesHolder;
+import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.PointF;
 import android.graphics.Rect;
+import android.os.Build;
 import android.os.SystemClock;
-import android.support.v4.widget.AutoScrollHelper;
 import android.text.InputType;
 import android.text.Selection;
 import android.text.Spannable;
@@ -123,8 +124,6 @@
 
     private boolean mDestroyed;
 
-    private AutoScrollHelper mAutoScrollHelper;
-
     private Runnable mDeferredAction;
     private boolean mDeferDropAfterUninstall;
     private boolean mUninstallSuccessful;
@@ -208,7 +207,6 @@
         mFolderName.setSelectAllOnFocus(true);
         mFolderName.setInputType(mFolderName.getInputType() |
                 InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS | InputType.TYPE_TEXT_FLAG_CAP_WORDS);
-        mAutoScrollHelper = new FolderAutoScrollHelper(mScrollView);
     }
 
     private ActionMode.Callback mActionModeCallback = new ActionMode.Callback() {
@@ -700,6 +698,7 @@
         }
     }
 
+    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
     public boolean isLayoutRtl() {
         return (getLayoutDirection() == LAYOUT_DIRECTION_RTL);
     }
@@ -715,29 +714,19 @@
         final MotionEvent translatedEv = MotionEvent.obtain(
                 downTime, downTime, MotionEvent.ACTION_MOVE, d.x, d.y, 0);
 
-        if (!mAutoScrollHelper.isEnabled()) {
-            mAutoScrollHelper.setEnabled(true);
-        }
-
-        final boolean handled = mAutoScrollHelper.onTouch(this, translatedEv);
         translatedEv.recycle();
-
-        if (handled) {
+        mTargetCell = mContent.findNearestArea(
+                (int) r[0], (int) r[1] + scrollOffset, 1, 1, mTargetCell);
+        if (isLayoutRtl()) {
+            mTargetCell[0] = mContent.getCountX() - mTargetCell[0] - 1;
+        }
+        if (mTargetCell[0] != mPreviousTargetCell[0]
+                || mTargetCell[1] != mPreviousTargetCell[1]) {
             mReorderAlarm.cancelAlarm();
-        } else {
-            mTargetCell = mContent.findNearestArea(
-                    (int) r[0], (int) r[1] + scrollOffset, 1, 1, mTargetCell);
-            if (isLayoutRtl()) {
-                mTargetCell[0] = mContent.getCountX() - mTargetCell[0] - 1;
-            }
-            if (mTargetCell[0] != mPreviousTargetCell[0]
-                    || mTargetCell[1] != mPreviousTargetCell[1]) {
-                mReorderAlarm.cancelAlarm();
-                mReorderAlarm.setOnAlarmListener(mReorderAlarmListener);
-                mReorderAlarm.setAlarm(REORDER_DELAY);
-                mPreviousTargetCell[0] = mTargetCell[0];
-                mPreviousTargetCell[1] = mTargetCell[1];
-            }
+            mReorderAlarm.setOnAlarmListener(mReorderAlarmListener);
+            mReorderAlarm.setAlarm(REORDER_DELAY);
+            mPreviousTargetCell[0] = mTargetCell[0];
+            mPreviousTargetCell[1] = mTargetCell[1];
         }
     }
 
@@ -783,8 +772,6 @@
     }
 
     public void onDragExit(DragObject d) {
-        // Exiting folder; stop the auto scroller.
-        mAutoScrollHelper.setEnabled(false);
         // We only close the folder if this is a true drag exit, ie. not because
         // a drop has occurred above the folder.
         if (!d.dragComplete) {
diff --git a/src/com/android/launcher3/FolderAutoScrollHelper.java b/src/com/android/launcher3/FolderAutoScrollHelper.java
deleted file mode 100644
index 40e8884..0000000
--- a/src/com/android/launcher3/FolderAutoScrollHelper.java
+++ /dev/null
@@ -1,59 +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.support.v4.widget.AutoScrollHelper;
-import android.widget.ScrollView;
-
-/**
- * An implementation of {@link AutoScrollHelper} that knows how to scroll
- * through a {@link Folder}.
- */
-public class FolderAutoScrollHelper extends AutoScrollHelper {
-    private static final float MAX_SCROLL_VELOCITY = 1500f;
-
-    private final ScrollView mTarget;
-
-    public FolderAutoScrollHelper(ScrollView target) {
-        super(target);
-
-        mTarget = target;
-
-        setActivationDelay(0);
-        setEdgeType(EDGE_TYPE_INSIDE_EXTEND);
-        setExclusive(true);
-        setMaximumVelocity(MAX_SCROLL_VELOCITY, MAX_SCROLL_VELOCITY);
-        setRampDownDuration(0);
-        setRampUpDuration(0);
-    }
-
-    @Override
-    public void scrollTargetBy(int deltaX, int deltaY) {
-        mTarget.scrollBy(deltaX, deltaY);
-    }
-
-    @Override
-    public boolean canTargetScrollHorizontally(int direction) {
-        // List do not scroll horizontally.
-        return false;
-    }
-
-    @Override
-    public boolean canTargetScrollVertically(int direction) {
-        return mTarget.canScrollVertically(direction);
-    }
-}
\ No newline at end of file
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index b08272f..289b08b 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -16,14 +16,12 @@
 
 package com.android.launcher3;
 
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
@@ -33,7 +31,6 @@
 import java.util.ArrayList;
 
 public class Hotseat extends FrameLayout {
-    private static final String TAG = "Hotseat";
 
     private CellLayout mContent;
 
@@ -182,38 +179,6 @@
         return false;
     }
 
-    void addAllAppsFolder(IconCache iconCache,
-            ArrayList<AppInfo> allApps, ArrayList<ComponentName> onWorkspace,
-            Launcher launcher, Workspace workspace) {
-        if (LauncherAppState.isDisableAllApps()) {
-            FolderInfo fi = new FolderInfo();
-
-            fi.cellX = getCellXFromOrder(mAllAppsButtonRank);
-            fi.cellY = getCellYFromOrder(mAllAppsButtonRank);
-            fi.spanX = 1;
-            fi.spanY = 1;
-            fi.container = LauncherSettings.Favorites.CONTAINER_HOTSEAT;
-            fi.screenId = mAllAppsButtonRank;
-            fi.itemType = LauncherSettings.Favorites.ITEM_TYPE_FOLDER;
-            fi.title = "More Apps";
-            LauncherModel.addItemToDatabase(launcher, fi, fi.container, fi.screenId, fi.cellX,
-                    fi.cellY, false);
-            FolderIcon folder = FolderIcon.fromXml(R.layout.folder_icon, launcher,
-                    getLayout(), fi, iconCache);
-            workspace.addInScreen(folder, fi.container, fi.screenId, fi.cellX, fi.cellY,
-                    fi.spanX, fi.spanY);
-
-            for (AppInfo info: allApps) {
-                ComponentName cn = info.intent.getComponent();
-                if (!onWorkspace.contains(cn)) {
-                    Log.d(TAG, "Adding to 'more apps': " + info.intent);
-                    ShortcutInfo si = info.makeShortcut();
-                    fi.add(si);
-                }
-            }
-        }
-    }
-
     void addAppsToAllAppsFolder(ArrayList<AppInfo> apps) {
         if (LauncherAppState.isDisableAllApps()) {
             View v = mContent.getChildAt(getCellXFromOrder(mAllAppsButtonRank), getCellYFromOrder(mAllAppsButtonRank));
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index eb2b5b8..7e2ae4e 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -115,9 +115,6 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintWriter;
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 import java.text.DateFormat;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -230,8 +227,6 @@
     private static final int ON_ACTIVITY_RESULT_ANIMATION_DELAY = 500;
     private static final int ACTIVITY_START_DELAY = 1000;
 
-    private static final Object sLock = new Object();
-
     private HashMap<Integer, Integer> mItemIdToViewId = new HashMap<Integer, Integer>();
     private static final AtomicInteger sNextGeneratedId = new AtomicInteger(1);
 
@@ -341,8 +336,6 @@
     // it from the context.
     private SharedPreferences mSharedPrefs;
 
-    private static ArrayList<ComponentName> mIntentsOnWorkspaceFromUpgradePath = null;
-
     // Holds the page that we need to animate to, and the icon views that we need to animate up
     // when we scroll to that page on resume.
     private ImageView mFolderIconImageView;
@@ -1689,40 +1682,19 @@
      * Sets up transparent navigation and status bars in LMP.
      * This method is a no-op for other platform versions.
      */
-    @TargetApi(19)
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
     private void setupTransparentSystemBarsForLmp() {
-        // TODO(sansid): use the APIs directly when compiling against L sdk.
-        // Currently we use reflection to access the flags and the API to set the transparency
-        // on the System bars.
         if (Utilities.isLmpOrAbove()) {
-            try {
-                getWindow().getAttributes().systemUiVisibility |=
-                        (View.SYSTEM_UI_FLAG_LAYOUT_STABLE
-                                | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
-                                | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
-                getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS
-                        | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
-                Field drawsSysBackgroundsField = WindowManager.LayoutParams.class.getField(
-                        "FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS");
-                getWindow().addFlags(drawsSysBackgroundsField.getInt(null));
-
-                Method setStatusBarColorMethod =
-                        Window.class.getDeclaredMethod("setStatusBarColor", int.class);
-                Method setNavigationBarColorMethod =
-                        Window.class.getDeclaredMethod("setNavigationBarColor", int.class);
-                setStatusBarColorMethod.invoke(getWindow(), Color.TRANSPARENT);
-                setNavigationBarColorMethod.invoke(getWindow(), Color.TRANSPARENT);
-            } catch (NoSuchFieldException e) {
-                Log.w(TAG, "NoSuchFieldException while setting up transparent bars");
-            } catch (NoSuchMethodException ex) {
-                Log.w(TAG, "NoSuchMethodException while setting up transparent bars");
-            } catch (IllegalAccessException e) {
-                Log.w(TAG, "IllegalAccessException while setting up transparent bars");
-            } catch (IllegalArgumentException e) {
-                Log.w(TAG, "IllegalArgumentException while setting up transparent bars");
-            } catch (InvocationTargetException e) {
-                Log.w(TAG, "InvocationTargetException while setting up transparent bars");
-            } finally {}
+            Window window = getWindow();
+            window.getAttributes().systemUiVisibility |=
+                    (View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                            | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
+            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS
+                    | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
+            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
+            window.setStatusBarColor(Color.TRANSPARENT);
+            window.setNavigationBarColor(Color.TRANSPARENT);
         }
     }
 
@@ -4487,10 +4459,10 @@
      *
      * Implementation of the method from LauncherModel.Callbacks.
      */
-    public void finishBindingItems(final boolean upgradePath) {
+    public void finishBindingItems() {
         Runnable r = new Runnable() {
             public void run() {
-                finishBindingItems(upgradePath);
+                finishBindingItems();
             }
         };
         if (waitUntilResume(r)) {
@@ -4525,14 +4497,10 @@
             sPendingAddItem = null;
         }
 
-        if (upgradePath) {
-            mWorkspace.getUniqueComponents(true, null);
-            mIntentsOnWorkspaceFromUpgradePath = mWorkspace.getUniqueComponents(true, null);
-        }
         PackageInstallerCompat.getInstance(this).onFinishBind();
 
         if (mLauncherCallbacks != null) {
-            mLauncherCallbacks.finishBindingItems(upgradePath);
+            mLauncherCallbacks.finishBindingItems(false);
         }
     }
 
@@ -4599,13 +4567,6 @@
      */
     public void bindAllApplications(final ArrayList<AppInfo> apps) {
         if (LauncherAppState.isDisableAllApps()) {
-            if (mIntentsOnWorkspaceFromUpgradePath != null) {
-                if (LauncherModel.UPGRADE_USE_MORE_APPS_FOLDER) {
-                    getHotseat().addAllAppsFolder(mIconCache, apps,
-                            mIntentsOnWorkspaceFromUpgradePath, Launcher.this, mWorkspace);
-                }
-                mIntentsOnWorkspaceFromUpgradePath = null;
-            }
             if (mAppsCustomizeContent != null) {
                 mAppsCustomizeContent.onPackagesUpdated(
                         LauncherModel.getSortedWidgetsAndShortcuts(this));
@@ -4815,8 +4776,12 @@
 
     public void lockScreenOrientation() {
         if (Utilities.isRotationEnabled(this)) {
-            setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources()
-                    .getConfiguration().orientation));
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
+                setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources()
+                        .getConfiguration().orientation));
+            } else {
+                setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LOCKED);
+            }
         }
     }
     public void unlockScreenOrientation(boolean immediate) {
diff --git a/src/com/android/launcher3/LauncherBackupHelper.java b/src/com/android/launcher3/LauncherBackupHelper.java
index 32bea5b..353bf3f 100644
--- a/src/com/android/launcher3/LauncherBackupHelper.java
+++ b/src/com/android/launcher3/LauncherBackupHelper.java
@@ -19,13 +19,16 @@
 import android.app.backup.BackupDataOutput;
 import android.app.backup.BackupHelper;
 import android.app.backup.BackupManager;
-import android.appwidget.AppWidgetProviderInfo;
 import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.ResolveInfo;
+import android.content.res.XmlResourceParser;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
@@ -51,6 +54,9 @@
 import com.google.protobuf.nano.InvalidProtocolBufferNanoException;
 import com.google.protobuf.nano.MessageNano;
 
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
 import java.io.ByteArrayOutputStream;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
@@ -58,7 +64,6 @@
 import java.net.URISyntaxException;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.zip.CRC32;
 
@@ -138,6 +143,7 @@
     private final Context mContext;
     private final HashSet<String> mExistingKeys;
     private final ArrayList<Key> mKeys;
+    private final ItemTypeMatcher[] mItemTypeMatchers;
 
     private IconCache mIconCache;
     private BackupManager mBackupManager;
@@ -154,6 +160,7 @@
         mExistingKeys = new HashSet<String>();
         mKeys = new ArrayList<Key>();
         restoreSuccessful = true;
+        mItemTypeMatchers = new ItemTypeMatcher[CommonAppTypeParser.SUPPORTED_TYPE_COUNT];
     }
 
     private void dataChanged() {
@@ -753,6 +760,17 @@
         return checksum.getValue();
     }
 
+    /**
+     * @return true if its an hotseat item, that can be replaced during restore.
+     * TODO: Extend check for folders in hotseat.
+     */
+    private boolean isReplaceableHotseatItem(Favorite favorite) {
+        return favorite.container == Favorites.CONTAINER_HOTSEAT
+                && favorite.intent != null
+                && (favorite.itemType == Favorites.ITEM_TYPE_APPLICATION
+                || favorite.itemType == Favorites.ITEM_TYPE_SHORTCUT);
+    }
+
     /** Serialize a Favorite for persistence, including a checksum wrapper. */
     private Favorite packFavorite(Cursor c) {
         Favorite favorite = new Favorite();
@@ -785,9 +803,10 @@
             favorite.title = title;
         }
         String intentDescription = c.getString(INTENT_INDEX);
+        Intent intent = null;
         if (!TextUtils.isEmpty(intentDescription)) {
             try {
-                Intent intent = Intent.parseUri(intentDescription, 0);
+                intent = Intent.parseUri(intentDescription, 0);
                 intent.removeExtra(ItemInfo.EXTRA_PROFILE);
                 favorite.intent = intent.toUri(0);
             } catch (URISyntaxException e) {
@@ -803,6 +822,31 @@
             }
         }
 
+        if (isReplaceableHotseatItem(favorite)) {
+            if (intent != null && intent.getComponent() != null) {
+                PackageManager pm = mContext.getPackageManager();
+                ActivityInfo activity = null;;
+                try {
+                    activity = pm.getActivityInfo(intent.getComponent(), 0);
+                } catch (NameNotFoundException e) {
+                    Log.e(TAG, "Target not found", e);
+                }
+                if (activity == null) {
+                    return favorite;
+                }
+                for (int i = 0; i < mItemTypeMatchers.length; i++) {
+                    if (mItemTypeMatchers[i] == null) {
+                        mItemTypeMatchers[i] = new ItemTypeMatcher(
+                                CommonAppTypeParser.getResourceForItemType(i));
+                    }
+                    if (mItemTypeMatchers[i].matches(activity, pm)) {
+                        favorite.targetType = i;
+                        break;
+                    }
+                }
+            }
+        }
+
         return favorite;
     }
 
@@ -810,6 +854,7 @@
     private ContentValues unpackFavorite(byte[] buffer, int dataSize)
             throws IOException {
         Favorite favorite = unpackProto(new Favorite(), buffer, dataSize);
+
         ContentValues values = new ContentValues();
         values.put(Favorites._ID, favorite.id);
         values.put(Favorites.SCREEN, favorite.screen);
@@ -860,8 +905,17 @@
                 throw new InvalidBackupException("Widget not in screen bounds, aborting restore");
             }
         } else {
-            // Let LauncherModel know we've been here.
-            values.put(LauncherSettings.Favorites.RESTORED, 1);
+            // Check if it is an hotseat item, that can be replaced.
+            if (isReplaceableHotseatItem(favorite)
+                    && favorite.targetType != Favorite.TARGET_NONE
+                    && favorite.targetType < CommonAppTypeParser.SUPPORTED_TYPE_COUNT) {
+                Log.e(TAG, "Added item type flag");
+                values.put(LauncherSettings.Favorites.RESTORED,
+                        1 | CommonAppTypeParser.encodeItemTypeToFlag(favorite.targetType));
+            } else {
+                // Let LauncherModel know we've been here.
+                values.put(LauncherSettings.Favorites.RESTORED, 1);
+            }
 
             // Verify placement
             if (favorite.container == Favorites.CONTAINER_HOTSEAT) {
@@ -1128,6 +1182,9 @@
     }
 
     private class InvalidBackupException extends IOException {
+
+        private static final long serialVersionUID = 8931456637211665082L;
+
         private InvalidBackupException(Throwable cause) {
             super(cause);
         }
@@ -1136,4 +1193,54 @@
             super(reason);
         }
     }
+
+    /**
+     * A class to check if an activity can handle one of the intents from a list of
+     * predefined intents.
+     */
+    private class ItemTypeMatcher {
+
+        private final ArrayList<Intent> mIntents;
+
+        ItemTypeMatcher(int xml_res) {
+            mIntents = xml_res == 0 ? new ArrayList<Intent>() : parseIntents(xml_res);
+        }
+
+        private ArrayList<Intent> parseIntents(int xml_res) {
+            ArrayList<Intent> intents = new ArrayList<Intent>();
+            XmlResourceParser parser = mContext.getResources().getXml(xml_res);
+            try {
+                DefaultLayoutParser.beginDocument(parser, DefaultLayoutParser.TAG_RESOLVE);
+                final int depth = parser.getDepth();
+                int type;
+                while (((type = parser.next()) != XmlPullParser.END_TAG ||
+                        parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) {
+                    if (type != XmlPullParser.START_TAG) {
+                        continue;
+                    } else if (DefaultLayoutParser.TAG_FAVORITE.equals(parser.getName())) {
+                        final String uri = DefaultLayoutParser.getAttributeValue(
+                                parser, DefaultLayoutParser.ATTR_URI);
+                        intents.add(Intent.parseUri(uri, 0));
+                    }
+                }
+            } catch (URISyntaxException | XmlPullParserException | IOException e) {
+                Log.e(TAG, "Unable to parse " + xml_res, e);
+            } finally {
+                parser.close();
+            }
+            return intents;
+        }
+
+        public boolean matches(ActivityInfo activity, PackageManager pm) {
+            for (Intent intent : mIntents) {
+                intent.setPackage(activity.packageName);
+                ResolveInfo info = pm.resolveActivity(intent, 0);
+                if (info != null && (info.activityInfo.name.equals(activity.name)
+                        || info.activityInfo.name.equals(activity.targetActivity))) {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
 }
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 9f97631..3983835 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -75,7 +75,6 @@
 import java.util.List;
 import java.util.Map.Entry;
 import java.util.Set;
-import java.util.TreeMap;
 
 /**
  * Maintains in-memory state of the Launcher. It is expected that there should be only one
@@ -91,9 +90,6 @@
 
     static final String TAG = "Launcher.Model";
 
-    // true = use a "More Apps" folder for non-workspace apps on upgrade
-    // false = strew non-workspace apps across the workspace on upgrade
-    public static final boolean UPGRADE_USE_MORE_APPS_FOLDER = false;
     public static final int LOADER_FLAG_NONE = 0;
     public static final int LOADER_FLAG_CLEAR_WORKSPACE = 1 << 0;
     public static final int LOADER_FLAG_MIGRATE_SHORTCUTS = 1 << 1;
@@ -199,7 +195,7 @@
         public void bindScreens(ArrayList<Long> orderedScreenIds);
         public void bindAddScreens(ArrayList<Long> orderedScreenIds);
         public void bindFolders(HashMap<Long,FolderInfo> folders);
-        public void finishBindingItems(boolean upgradePath);
+        public void finishBindingItems();
         public void bindAppWidget(LauncherAppWidgetInfo info);
         public void bindAllApplications(ArrayList<AppInfo> apps);
         public void bindAppsAdded(ArrayList<Long> newScreens,
@@ -491,13 +487,7 @@
         Runnable r = new Runnable() {
             public void run() {
                 final ArrayList<Long> addedWorkspaceScreensFinal = new ArrayList<Long>();
-
-                ArrayList<Long> workspaceScreens = new ArrayList<Long>();
-                TreeMap<Integer, Long> orderedScreens = loadWorkspaceScreensDb(context);
-                for (Integer i : orderedScreens.keySet()) {
-                    long screenId = orderedScreens.get(i);
-                    workspaceScreens.add(screenId);
-                }
+                ArrayList<Long> workspaceScreens = loadWorkspaceScreensDb(context);
 
                 // Find appropriate space for the item.
                 Pair<Long, int[]> coords = findSpaceForItem(context, preferredScreen,
@@ -549,13 +539,7 @@
                 // Get the list of workspace screens.  We need to append to this list and
                 // can not use sBgWorkspaceScreens because loadWorkspace() may not have been
                 // called.
-                ArrayList<Long> workspaceScreens = new ArrayList<Long>();
-                TreeMap<Integer, Long> orderedScreens = loadWorkspaceScreensDb(context);
-                for (Integer i : orderedScreens.keySet()) {
-                    long screenId = orderedScreens.get(i);
-                    workspaceScreens.add(screenId);
-                }
-
+                ArrayList<Long> workspaceScreens = loadWorkspaceScreensDb(context);
                 synchronized(sBgLock) {
                     for (ItemInfo item : workspaceApps) {
                         if (!allowDuplicate) {
@@ -1443,40 +1427,31 @@
         }
     }
 
-    /** Loads the workspace screens db into a map of Rank -> ScreenId */
-    private static TreeMap<Integer, Long> loadWorkspaceScreensDb(Context context) {
+    /**
+     * Loads the workspace screen ids in an ordered list.
+     */
+    private static ArrayList<Long> loadWorkspaceScreensDb(Context context) {
         final ContentResolver contentResolver = context.getContentResolver();
         final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI;
-        final Cursor sc = contentResolver.query(screensUri, null, null, null, null);
-        TreeMap<Integer, Long> orderedScreens = new TreeMap<Integer, Long>();
 
+        // Get screens ordered by rank.
+        final Cursor sc = contentResolver.query(screensUri, null, null, null,
+                LauncherSettings.WorkspaceScreens.SCREEN_RANK);
+        ArrayList<Long> screenIds = new ArrayList<Long>();
         try {
-            final int idIndex = sc.getColumnIndexOrThrow(
-                    LauncherSettings.WorkspaceScreens._ID);
-            final int rankIndex = sc.getColumnIndexOrThrow(
-                    LauncherSettings.WorkspaceScreens.SCREEN_RANK);
+            final int idIndex = sc.getColumnIndexOrThrow(LauncherSettings.WorkspaceScreens._ID);
             while (sc.moveToNext()) {
                 try {
-                    long screenId = sc.getLong(idIndex);
-                    int rank = sc.getInt(rankIndex);
-                    orderedScreens.put(rank, screenId);
+                    screenIds.add(sc.getLong(idIndex));
                 } catch (Exception e) {
-                    Launcher.addDumpLog(TAG, "Desktop items loading interrupted - invalid screens: " + e, true);
+                    Launcher.addDumpLog(TAG, "Desktop items loading interrupted"
+                            + " - invalid screens: " + e, true);
                 }
             }
         } finally {
             sc.close();
         }
-
-        // Log to disk
-        Launcher.addDumpLog(TAG, "11683562 - loadWorkspaceScreensDb()", true);
-        ArrayList<String> orderedScreensPairs= new ArrayList<String>();
-        for (Integer i : orderedScreens.keySet()) {
-            orderedScreensPairs.add("{ " + i + ": " + orderedScreens.get(i) + " }");
-        }
-        Launcher.addDumpLog(TAG, "11683562 -   screens: " +
-                TextUtils.join(", ", orderedScreensPairs), true);
-        return orderedScreens;
+        return screenIds;
     }
 
     public boolean isAllAppsLoaded() {
@@ -1523,8 +1498,7 @@
             return mIsLoadingAndBindingWorkspace;
         }
 
-        /** Returns whether this is an upgrade path */
-        private boolean loadAndBindWorkspace() {
+        private void loadAndBindWorkspace() {
             mIsLoadingAndBindingWorkspace = true;
 
             // Load the workspace
@@ -1532,20 +1506,18 @@
                 Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded);
             }
 
-            boolean isUpgradePath = false;
             if (!mWorkspaceLoaded) {
-                isUpgradePath = loadWorkspace();
+                loadWorkspace();
                 synchronized (LoaderTask.this) {
                     if (mStopped) {
-                        return isUpgradePath;
+                        return;
                     }
                     mWorkspaceLoaded = true;
                 }
             }
 
             // Bind the workspace
-            bindWorkspace(-1, isUpgradePath);
-            return isUpgradePath;
+            bindWorkspace(-1);
         }
 
         private void waitForIdle() {
@@ -1614,15 +1586,13 @@
 
             // Divide the set of loaded items into those that we are binding synchronously, and
             // everything else that is to be bound normally (asynchronously).
-            bindWorkspace(synchronousBindPage, false);
+            bindWorkspace(synchronousBindPage);
             // XXX: For now, continue posting the binding of AllApps as there are other issues that
             //      arise from that.
             onlyBindAllApps();
         }
 
         public void run() {
-            boolean isUpgrade = false;
-
             synchronized (mLock) {
                 mIsLoaderTaskRunning = true;
             }
@@ -1639,7 +1609,7 @@
                             ? Process.THREAD_PRIORITY_DEFAULT : Process.THREAD_PRIORITY_BACKGROUND);
                 }
                 if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace");
-                isUpgrade = loadAndBindWorkspace();
+                loadAndBindWorkspace();
 
                 if (mStopped) {
                     break keep_running;
@@ -1677,9 +1647,7 @@
             if (LauncherAppState.isDisableAllApps()) {
                 // Ensure that all the applications that are in the system are
                 // represented on the home screen.
-                if (!UPGRADE_USE_MORE_APPS_FOLDER || !isUpgrade) {
-                    verifyApplications();
-                }
+                verifyApplications();
             }
 
             // Clear out this reference, otherwise we end up holding it until all of the
@@ -1856,8 +1824,7 @@
             }
         }
 
-        /** Returns whether this is an upgrade path */
-        private boolean loadWorkspace() {
+        private void loadWorkspace() {
             // Log to disk
             Launcher.addDumpLog(TAG, "11683562 - loadWorkspace()", true);
 
@@ -1891,12 +1858,6 @@
                 LauncherAppState.getLauncherProvider().loadDefaultFavoritesIfNecessary();
             }
 
-            // This code path is for our old migration code and should no longer be exercised
-            boolean loadedOldDb = false;
-
-            // Log to disk
-            Launcher.addDumpLog(TAG, "11683562 -   loadedOldDb: " + loadedOldDb, true);
-
             synchronized (sBgLock) {
                 clearSBgDataStructures();
                 final HashSet<String> installingPkgs = PackageInstallerCompat
@@ -1977,6 +1938,7 @@
                                 user = mUserManager.getUserForSerialNumber(serialNumber);
                                 int promiseType = c.getInt(restoredIndex);
                                 int disabledState = 0;
+                                boolean itemReplaced = false;
                                 if (user == null) {
                                     // User has been deleted remove the item.
                                     itemsToRemove.add(id);
@@ -2008,9 +1970,7 @@
                                                     ContentValues values = new ContentValues();
                                                     values.put(LauncherSettings.Favorites.INTENT,
                                                             intent.toUri(0));
-                                                    String where = BaseColumns._ID + "= ?";
-                                                    String[] args = {Long.toString(id)};
-                                                    contentResolver.update(contentUri, values, where, args);
+                                                    updateItem(id, values);
                                                 }
                                             }
 
@@ -2040,10 +2000,27 @@
                                                 ContentValues values = new ContentValues();
                                                 values.put(LauncherSettings.Favorites.RESTORED,
                                                         promiseType);
-                                                String where = BaseColumns._ID + "= ?";
-                                                String[] args = {Long.toString(id)};
-                                                contentResolver.update(contentUri, values, where, args);
+                                                updateItem(id, values);
+                                            } else if ((promiseType & ShortcutInfo.FLAG_RESTORED_APP_TYPE) != 0) {
+                                                // This is a common app. Try to replace this.
+                                                int appType = CommonAppTypeParser.decodeItemTypeFromFlag(promiseType);
+                                                CommonAppTypeParser parser = new CommonAppTypeParser(id, appType, context);
+                                                if (parser.findDefaultApp()) {
+                                                    // Default app found. Replace it.
+                                                    intent = parser.parsedIntent;
+                                                    cn = intent.getComponent();
+                                                    ContentValues values = parser.parsedValues;
+                                                    values.put(LauncherSettings.Favorites.RESTORED, 0);
+                                                    updateItem(id, values);
+                                                    restored = false;
+                                                    itemReplaced = true;
 
+                                                } else if (REMOVE_UNRESTORED_ICONS) {
+                                                    Launcher.addDumpLog(TAG,
+                                                            "Unrestored package removed: " + cn, true);
+                                                    itemsToRemove.add(id);
+                                                    continue;
+                                                }
                                             } else if (REMOVE_UNRESTORED_ICONS) {
                                                 Launcher.addDumpLog(TAG,
                                                         "Unrestored package removed: " + cn, true);
@@ -2089,7 +2066,16 @@
                                     continue;
                                 }
 
-                                if (restored) {
+                                if (itemReplaced) {
+                                    if (user.equals(UserHandleCompat.myUserHandle())) {
+                                        info = getShortcutInfo(manager, intent, user, context, null,
+                                                iconIndex, titleIndex, mLabelCache, false);
+                                    } else {
+                                        // Don't replace items for other profiles.
+                                        itemsToRemove.add(id);
+                                        continue;
+                                    }
+                                } else if (restored) {
                                     if (user.equals(UserHandleCompat.myUserHandle())) {
                                         Launcher.addDumpLog(TAG,
                                                 "constructing info for partially restored package",
@@ -2323,9 +2309,7 @@
                                                     providerName);
                                             values.put(LauncherSettings.Favorites.RESTORED,
                                                     appWidgetInfo.restoreStatus);
-                                            String where = BaseColumns._ID + "= ?";
-                                            String[] args = {Long.toString(id)};
-                                            contentResolver.update(contentUri, values, where, args);
+                                            updateItem(id, values);
                                         }
                                     }
                                     sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo);
@@ -2346,7 +2330,7 @@
                 // Break early if we've stopped loading
                 if (mStopped) {
                     clearSBgDataStructures();
-                    return false;
+                    return;
                 }
 
                 if (itemsToRemove.size() > 0) {
@@ -2392,63 +2376,29 @@
                             null, sWorker);
                 }
 
-                if (loadedOldDb) {
-                    long maxScreenId = 0;
-                    // If we're importing we use the old screen order.
-                    for (ItemInfo item: sBgItemsIdMap.values()) {
-                        long screenId = item.screenId;
-                        if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
-                                !sBgWorkspaceScreens.contains(screenId)) {
-                            sBgWorkspaceScreens.add(screenId);
-                            if (screenId > maxScreenId) {
-                                maxScreenId = screenId;
-                            }
-                        }
-                    }
-                    Collections.sort(sBgWorkspaceScreens);
-                    // Log to disk
-                    Launcher.addDumpLog(TAG, "11683562 -   maxScreenId: " + maxScreenId, true);
-                    Launcher.addDumpLog(TAG, "11683562 -   sBgWorkspaceScreens: " +
-                            TextUtils.join(", ", sBgWorkspaceScreens), true);
+                sBgWorkspaceScreens.addAll(loadWorkspaceScreensDb(mContext));
+                // Log to disk
+                Launcher.addDumpLog(TAG, "11683562 -   sBgWorkspaceScreens: " +
+                        TextUtils.join(", ", sBgWorkspaceScreens), true);
 
-                    LauncherAppState.getLauncherProvider().updateMaxScreenId(maxScreenId);
+                // Remove any empty screens
+                ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgWorkspaceScreens);
+                for (ItemInfo item: sBgItemsIdMap.values()) {
+                    long screenId = item.screenId;
+                    if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
+                            unusedScreens.contains(screenId)) {
+                        unusedScreens.remove(screenId);
+                    }
+                }
+
+                // If there are any empty screens remove them, and update.
+                if (unusedScreens.size() != 0) {
+                    // Log to disk
+                    Launcher.addDumpLog(TAG, "11683562 -   unusedScreens (to be removed): " +
+                            TextUtils.join(", ", unusedScreens), true);
+
+                    sBgWorkspaceScreens.removeAll(unusedScreens);
                     updateWorkspaceScreenOrder(context, sBgWorkspaceScreens);
-
-                    // Update the max item id after we load an old db
-                    long maxItemId = 0;
-                    // If we're importing we use the old screen order.
-                    for (ItemInfo item: sBgItemsIdMap.values()) {
-                        maxItemId = Math.max(maxItemId, item.id);
-                    }
-                    LauncherAppState.getLauncherProvider().updateMaxItemId(maxItemId);
-                } else {
-                    TreeMap<Integer, Long> orderedScreens = loadWorkspaceScreensDb(mContext);
-                    for (Integer i : orderedScreens.keySet()) {
-                        sBgWorkspaceScreens.add(orderedScreens.get(i));
-                    }
-                    // Log to disk
-                    Launcher.addDumpLog(TAG, "11683562 -   sBgWorkspaceScreens: " +
-                            TextUtils.join(", ", sBgWorkspaceScreens), true);
-
-                    // Remove any empty screens
-                    ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgWorkspaceScreens);
-                    for (ItemInfo item: sBgItemsIdMap.values()) {
-                        long screenId = item.screenId;
-                        if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
-                                unusedScreens.contains(screenId)) {
-                            unusedScreens.remove(screenId);
-                        }
-                    }
-
-                    // If there are any empty screens remove them, and update.
-                    if (unusedScreens.size() != 0) {
-                        // Log to disk
-                        Launcher.addDumpLog(TAG, "11683562 -   unusedScreens (to be removed): " +
-                                TextUtils.join(", ", unusedScreens), true);
-
-                        sBgWorkspaceScreens.removeAll(unusedScreens);
-                        updateWorkspaceScreenOrder(context, sBgWorkspaceScreens);
-                    }
                 }
 
                 if (DEBUG_LOADERS) {
@@ -2477,7 +2427,17 @@
                     }
                 }
             }
-            return loadedOldDb;
+        }
+
+        /**
+         * Partially updates the item without any notification. Must be called on the worker thread.
+         */
+        private void updateItem(long itemId, ContentValues update) {
+            mContext.getContentResolver().update(
+                    LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION,
+                    update,
+                    BaseColumns._ID + "= ?",
+                    new String[]{Long.toString(itemId)});
         }
 
         /** Filters the set of items who are directly or indirectly (via another container) on the
@@ -2674,7 +2634,7 @@
         /**
          * Binds all loaded data to actual views on the main thread.
          */
-        private void bindWorkspace(int synchronizeBindPage, final boolean isUpgradePath) {
+        private void bindWorkspace(int synchronizeBindPage) {
             final long t = SystemClock.uptimeMillis();
             Runnable r;
 
@@ -2778,7 +2738,7 @@
                 public void run() {
                     Callbacks callbacks = tryGetCallbacks(oldCallbacks);
                     if (callbacks != null) {
-                        callbacks.finishBindingItems(isUpgradePath);
+                        callbacks.finishBindingItems();
                     }
 
                     // If we're profiling, ensure this is the last thing in the queue.
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 0088f26..ab1347b 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -57,7 +57,6 @@
     private static final String TAG = "Launcher.LauncherProvider";
     private static final boolean LOGD = false;
 
-    private static final int MIN_DATABASE_VERSION = 12;
     private static final int DATABASE_VERSION = 21;
 
     static final String OLD_AUTHORITY = "com.android.launcher2.settings";
@@ -66,7 +65,6 @@
     static final String TABLE_FAVORITES = "favorites";
     static final String TABLE_WORKSPACE_SCREENS = "workspaceScreens";
     static final String PARAMETER_NOTIFY = "notify";
-    static final String UPGRADED_FROM_OLD_DATABASE = "UPGRADED_FROM_OLD_DATABASE";
     static final String EMPTY_DATABASE_CREATED = "EMPTY_DATABASE_CREATED";
 
     private static final String URI_PARAM_IS_EXTERNAL_ADD = "isExternalAdd";
@@ -251,12 +249,6 @@
         return mOpenHelper.generateNewScreenId();
     }
 
-    // This is only required one time while loading the workspace during the
-    // upgrade path, and should never be called from anywhere else.
-    public void updateMaxScreenId(long maxScreenId) {
-        mOpenHelper.updateMaxScreenId(maxScreenId);
-    }
-
     /**
      * Clears all the data for a fresh start.
      */
@@ -474,135 +466,112 @@
         private void setFlagJustLoadedOldDb() {
             String spKey = LauncherAppState.getSharedPreferencesKey();
             SharedPreferences sp = mContext.getSharedPreferences(spKey, Context.MODE_PRIVATE);
-            SharedPreferences.Editor editor = sp.edit();
-            editor.putBoolean(UPGRADED_FROM_OLD_DATABASE, true);
-            editor.putBoolean(EMPTY_DATABASE_CREATED, false);
-            editor.commit();
+            sp.edit().putBoolean(EMPTY_DATABASE_CREATED, false).commit();
         }
 
         private void setFlagEmptyDbCreated() {
             String spKey = LauncherAppState.getSharedPreferencesKey();
             SharedPreferences sp = mContext.getSharedPreferences(spKey, Context.MODE_PRIVATE);
-            SharedPreferences.Editor editor = sp.edit();
-            editor.putBoolean(EMPTY_DATABASE_CREATED, true);
-            editor.putBoolean(UPGRADED_FROM_OLD_DATABASE, false);
-            editor.commit();
+            sp.edit().putBoolean(EMPTY_DATABASE_CREATED, true).commit();
         }
 
         @Override
         public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
             if (LOGD) Log.d(TAG, "onUpgrade triggered: " + oldVersion);
-
-            int version = oldVersion;
-            if (version < MIN_DATABASE_VERSION) {
-                // The version cannot be lower that this, as Launcher3 never supported a lower
+            switch (oldVersion) {
+                // The version cannot be lower that 12, as Launcher3 never supported a lower
                 // version of the DB.
-                createEmptyDB(db);
-                version = DATABASE_VERSION;
-            }
-
-            if (version < 13) {
-                // With the new shrink-wrapped and re-orderable workspaces, it makes sense
-                // to persist workspace screens and their relative order.
-                mMaxScreenId = 0;
-
-                addWorkspacesTable(db);
-                version = 13;
-            }
-
-            if (version < 14) {
-                db.beginTransaction();
-                try {
-                    // Insert new column for holding widget provider name
-                    db.execSQL("ALTER TABLE favorites " +
-                            "ADD COLUMN appWidgetProvider TEXT;");
-                    db.setTransactionSuccessful();
-                    version = 14;
-                } catch (SQLException ex) {
-                    // Old version remains, which means we wipe old data
-                    Log.e(TAG, ex.getMessage(), ex);
-                } finally {
-                    db.endTransaction();
+                case 12: {
+                    // With the new shrink-wrapped and re-orderable workspaces, it makes sense
+                    // to persist workspace screens and their relative order.
+                    mMaxScreenId = 0;
+                    addWorkspacesTable(db);
+                }
+                case 13: {
+                    db.beginTransaction();
+                    try {
+                        // Insert new column for holding widget provider name
+                        db.execSQL("ALTER TABLE favorites " +
+                                "ADD COLUMN appWidgetProvider TEXT;");
+                        db.setTransactionSuccessful();
+                    } catch (SQLException ex) {
+                        Log.e(TAG, ex.getMessage(), ex);
+                        // Old version remains, which means we wipe old data
+                        break;
+                    } finally {
+                        db.endTransaction();
+                    }
+                }
+                case 14: {
+                    db.beginTransaction();
+                    try {
+                        // Insert new column for holding update timestamp
+                        db.execSQL("ALTER TABLE favorites " +
+                                "ADD COLUMN modified INTEGER NOT NULL DEFAULT 0;");
+                        db.execSQL("ALTER TABLE workspaceScreens " +
+                                "ADD COLUMN modified INTEGER NOT NULL DEFAULT 0;");
+                        db.setTransactionSuccessful();
+                    } catch (SQLException ex) {
+                        Log.e(TAG, ex.getMessage(), ex);
+                        // Old version remains, which means we wipe old data
+                        break;
+                    } finally {
+                        db.endTransaction();
+                    }
+                }
+                case 15: {
+                    db.beginTransaction();
+                    try {
+                        // Insert new column for holding restore status
+                        db.execSQL("ALTER TABLE favorites " +
+                                "ADD COLUMN restored INTEGER NOT NULL DEFAULT 0;");
+                        db.setTransactionSuccessful();
+                    } catch (SQLException ex) {
+                        Log.e(TAG, ex.getMessage(), ex);
+                        // Old version remains, which means we wipe old data
+                        break;
+                    } finally {
+                        db.endTransaction();
+                    }
+                }
+                case 16: {
+                    // We use the db version upgrade here to identify users who may not have seen
+                    // clings yet (because they weren't available), but for whom the clings are now
+                    // available (tablet users). Because one of the possible cling flows (migration)
+                    // is very destructive (wipes out workspaces), we want to prevent this from showing
+                    // until clear data. We do so by marking that the clings have been shown.
+                    LauncherClings.synchonouslyMarkFirstRunClingDismissed(mContext);
+                }
+                case 17: {
+                    // No-op
+                }
+                case 18: {
+                    // Due to a data loss bug, some users may have items associated with screen ids
+                    // which no longer exist. Since this can cause other problems, and since the user
+                    // will never see these items anyway, we use database upgrade as an opportunity to
+                    // clean things up.
+                    removeOrphanedItems(db);
+                }
+                case 19: {
+                    // Add userId column
+                    if (!addProfileColumn(db)) {
+                        // Old version remains, which means we wipe old data
+                        break;
+                    }
+                }
+                case 20:
+                    if (!updateFolderItemsRank(db, true)) {
+                        break;
+                    }
+                case 21: {
+                    // DB Upgraded successfully
+                    return;
                 }
             }
 
-            if (version < 15) {
-                db.beginTransaction();
-                try {
-                    // Insert new column for holding update timestamp
-                    db.execSQL("ALTER TABLE favorites " +
-                            "ADD COLUMN modified INTEGER NOT NULL DEFAULT 0;");
-                    db.execSQL("ALTER TABLE workspaceScreens " +
-                            "ADD COLUMN modified INTEGER NOT NULL DEFAULT 0;");
-                    db.setTransactionSuccessful();
-                    version = 15;
-                } catch (SQLException ex) {
-                    // Old version remains, which means we wipe old data
-                    Log.e(TAG, ex.getMessage(), ex);
-                } finally {
-                    db.endTransaction();
-                }
-            }
-
-
-            if (version < 16) {
-                db.beginTransaction();
-                try {
-                    // Insert new column for holding restore status
-                    db.execSQL("ALTER TABLE favorites " +
-                            "ADD COLUMN restored INTEGER NOT NULL DEFAULT 0;");
-                    db.setTransactionSuccessful();
-                    version = 16;
-                } catch (SQLException ex) {
-                    // Old version remains, which means we wipe old data
-                    Log.e(TAG, ex.getMessage(), ex);
-                } finally {
-                    db.endTransaction();
-                }
-            }
-
-            if (version < 17) {
-                // We use the db version upgrade here to identify users who may not have seen
-                // clings yet (because they weren't available), but for whom the clings are now
-                // available (tablet users). Because one of the possible cling flows (migration)
-                // is very destructive (wipes out workspaces), we want to prevent this from showing
-                // until clear data. We do so by marking that the clings have been shown.
-                LauncherClings.synchonouslyMarkFirstRunClingDismissed(mContext);
-                version = 17;
-            }
-
-            if (version < 18) {
-                // No-op
-                version = 18;
-            }
-
-            if (version < 19) {
-                // Due to a data loss bug, some users may have items associated with screen ids
-                // which no longer exist. Since this can cause other problems, and since the user
-                // will never see these items anyway, we use database upgrade as an opportunity to
-                // clean things up.
-                removeOrphanedItems(db);
-                version = 19;
-            }
-
-            if (version < 20) {
-                // Add userId column
-                if (addProfileColumn(db)) {
-                    version = 20;
-                }
-                // else old version remains, which means we wipe old data
-            }
-
-            if (version < 21) {
-                if (updateFolderItemsRank(db, true)) {
-                    version  = 21;
-                }
-            }
-
-            if (version != DATABASE_VERSION) {
-                Log.w(TAG, "Destroying all old data.");
-                createEmptyDB(db);
-            }
+            // DB was not upgraded
+            Log.w(TAG, "Destroying all old data.");
+            createEmptyDB(db);
         }
 
         @Override
@@ -745,12 +714,6 @@
             return mMaxScreenId;
         }
 
-        public void updateMaxScreenId(long maxScreenId) {
-            // Log to disk
-            Launcher.addDumpLog(TAG, "11683562 - updateMaxScreenId(): " + maxScreenId, true);
-            mMaxScreenId = maxScreenId;
-        }
-
         private long initializeMaxScreenId(SQLiteDatabase db) {
             Cursor c = db.rawQuery("SELECT MAX(" + LauncherSettings.WorkspaceScreens._ID + ") FROM " + TABLE_WORKSPACE_SCREENS, null);
 
diff --git a/src/com/android/launcher3/ShortcutInfo.java b/src/com/android/launcher3/ShortcutInfo.java
index 01f7931..15d6a3e 100644
--- a/src/com/android/launcher3/ShortcutInfo.java
+++ b/src/com/android/launcher3/ShortcutInfo.java
@@ -46,18 +46,24 @@
      * be present along with {@link #FLAG_RESTORED_ICON}, and is set during default layout
      * parsing.
      */
-    public static final int FLAG_AUTOINTALL_ICON = 2;
+    public static final int FLAG_AUTOINTALL_ICON = 2; //0B10;
 
     /**
      * The icon is being installed. If {@link FLAG_RESTORED_ICON} or {@link FLAG_AUTOINTALL_ICON}
      * is set, then the icon is either being installed or is in a broken state.
      */
-    public static final int FLAG_INSTALL_SESSION_ACTIVE = 4;
+    public static final int FLAG_INSTALL_SESSION_ACTIVE = 4; // 0B100;
 
     /**
      * Indicates that the widget restore has started.
      */
-    public static final int FLAG_RESTORE_STARTED = 8;
+    public static final int FLAG_RESTORE_STARTED = 8; //0B1000;
+
+    /**
+     * Indicates if it represents a common type mentioned in {@link CommonAppTypeParser}.
+     * Upto 15 different types supported.
+     */
+    public static final int FLAG_RESTORED_APP_TYPE = 0B0011110000;
 
     /**
      * The intent used to start the application.
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 4021727..661c3ce 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -43,12 +43,10 @@
 import android.graphics.Rect;
 import android.graphics.Region.Op;
 import android.graphics.drawable.Drawable;
-import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Parcelable;
-import android.support.v4.view.ViewCompat;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.SparseArray;
@@ -492,7 +490,7 @@
         CellLayout cl = ((CellLayout) child);
         cl.setOnInterceptTouchListener(this);
         cl.setClickable(true);
-        cl.setImportantForAccessibility(ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_NO);
+        cl.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
         super.onChildViewAdded(parent, child);
     }
 
@@ -561,10 +559,6 @@
     }
 
     public long insertNewWorkspaceScreen(long screenId, int insertIndex) {
-        // Log to disk
-        Launcher.addDumpLog(TAG, "11683562 - insertNewWorkspaceScreen(): " + screenId +
-                " at index: " + insertIndex, true);
-
         if (mWorkspaceScreens.containsKey(screenId)) {
             throw new RuntimeException("Screen id " + screenId + " already exists!");
         }
@@ -664,9 +658,6 @@
     }
 
     public void addExtraEmptyScreenOnDrag() {
-        // Log to disk
-        Launcher.addDumpLog(TAG, "11683562 - addExtraEmptyScreenOnDrag()", true);
-
         boolean lastChildOnScreen = false;
         boolean childOnFinalScreen = false;
 
@@ -693,9 +684,6 @@
     }
 
     public boolean addExtraEmptyScreen() {
-        // Log to disk
-        Launcher.addDumpLog(TAG, "11683562 - addExtraEmptyScreen()", true);
-
         if (!mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)) {
             insertNewWorkspaceScreen(EXTRA_EMPTY_SCREEN_ID);
             return true;
@@ -704,9 +692,6 @@
     }
 
     private void convertFinalScreenToEmptyScreenIfNecessary() {
-        // Log to disk
-        Launcher.addDumpLog(TAG, "11683562 - convertFinalScreenToEmptyScreenIfNecessary()", true);
-
         if (mLauncher.isWorkspaceLoading()) {
             // Invalid and dangerous operation if workspace is loading
             Launcher.addDumpLog(TAG, "    - workspace loading, skip", true);
@@ -731,7 +716,6 @@
 
             // Update the model if we have changed any screens
             mLauncher.getModel().updateWorkspaceScreenOrder(mLauncher, mScreenOrder);
-            Launcher.addDumpLog(TAG, "11683562 -   extra empty screen: " + finalScreenId, true);
         }
     }
 
@@ -741,8 +725,6 @@
 
     public void removeExtraEmptyScreenDelayed(final boolean animate, final Runnable onComplete,
             final int delay, final boolean stripEmptyScreens) {
-        // Log to disk
-        Launcher.addDumpLog(TAG, "11683562 - removeExtraEmptyScreen()", true);
         if (mLauncher.isWorkspaceLoading()) {
             // Don't strip empty screens if the workspace is still loading
             Launcher.addDumpLog(TAG, "    - workspace loading, skip", true);
@@ -784,9 +766,7 @@
 
     private void fadeAndRemoveEmptyScreen(int delay, int duration, final Runnable onComplete,
             final boolean stripEmptyScreens) {
-        // Log to disk
         // XXX: Do we need to update LM workspace screens below?
-        Launcher.addDumpLog(TAG, "11683562 - fadeAndRemoveEmptyScreen()", true);
         PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0f);
         PropertyValuesHolder bgAlpha = PropertyValuesHolder.ofFloat("backgroundAlpha", 0f);
 
@@ -830,8 +810,6 @@
     }
 
     public long commitExtraEmptyScreen() {
-        // Log to disk
-        Launcher.addDumpLog(TAG, "11683562 - commitExtraEmptyScreen()", true);
         if (mLauncher.isWorkspaceLoading()) {
             // Invalid and dangerous operation if workspace is loading
             Launcher.addDumpLog(TAG, "    - workspace loading, skip", true);
@@ -890,9 +868,6 @@
     }
 
     public void stripEmptyScreens() {
-        // Log to disk
-        Launcher.addDumpLog(TAG, "11683562 - stripEmptyScreens()", true);
-
         if (mLauncher.isWorkspaceLoading()) {
             // Don't strip empty screens if the workspace is still loading.
             // This is dangerous and can result in data loss.
@@ -920,7 +895,6 @@
 
         int pageShift = 0;
         for (Long id: removeScreens) {
-            Launcher.addDumpLog(TAG, "11683562 -   removing id: " + id, true);
             CellLayout cl = mWorkspaceScreens.get(id);
             mWorkspaceScreens.remove(id);
             mScreenOrder.remove(id);
@@ -2210,8 +2184,8 @@
 
     private void updateAccessibilityFlags() {
         int accessible = mState == State.NORMAL ?
-                ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES :
-                ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS;
+                IMPORTANT_FOR_ACCESSIBILITY_YES :
+                IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS;
         setImportantForAccessibility(accessible);
     }
 
@@ -4116,7 +4090,6 @@
 
         // In the case where we've prebound the widget, we remove it from the DragLayer
         if (finalView instanceof AppWidgetHostView && external) {
-            Log.d(TAG, "6557954 Animate widget drop, final view is appWidgetHostView");
             mLauncher.getDragLayer().removeView(finalView);
         }
 
@@ -4307,88 +4280,6 @@
         }
     }
 
-    ArrayList<ComponentName> getUniqueComponents(boolean stripDuplicates, ArrayList<ComponentName> duplicates) {
-        ArrayList<ComponentName> uniqueIntents = new ArrayList<ComponentName>();
-        getUniqueIntents((CellLayout) mLauncher.getHotseat().getLayout(), uniqueIntents, duplicates, false);
-        int count = getChildCount();
-        for (int i = 0; i < count; i++) {
-            CellLayout cl = (CellLayout) getChildAt(i);
-            getUniqueIntents(cl, uniqueIntents, duplicates, false);
-        }
-        return uniqueIntents;
-    }
-
-    void getUniqueIntents(CellLayout cl, ArrayList<ComponentName> uniqueIntents,
-            ArrayList<ComponentName> duplicates, boolean stripDuplicates) {
-        int count = cl.getShortcutsAndWidgets().getChildCount();
-
-        ArrayList<View> children = new ArrayList<View>();
-        for (int i = 0; i < count; i++) {
-            View v = cl.getShortcutsAndWidgets().getChildAt(i);
-            children.add(v);
-        }
-
-        for (int i = 0; i < count; i++) {
-            View v = children.get(i);
-            ItemInfo info = (ItemInfo) v.getTag();
-            // Null check required as the AllApps button doesn't have an item info
-            if (info instanceof ShortcutInfo) {
-                ShortcutInfo si = (ShortcutInfo) info;
-                ComponentName cn = si.intent.getComponent();
-
-                Uri dataUri = si.intent.getData();
-                // If dataUri is not null / empty or if this component isn't one that would
-                // have previously showed up in the AllApps list, then this is a widget-type
-                // shortcut, so ignore it.
-                if (dataUri != null && !dataUri.equals(Uri.EMPTY)) {
-                    continue;
-                }
-
-                if (!uniqueIntents.contains(cn)) {
-                    uniqueIntents.add(cn);
-                } else {
-                    if (stripDuplicates) {
-                        cl.removeViewInLayout(v);
-                        LauncherModel.deleteItemFromDatabase(mLauncher, si);
-                    }
-                    if (duplicates != null) {
-                        duplicates.add(cn);
-                    }
-                }
-            }
-            if (v instanceof FolderIcon) {
-                FolderIcon fi = (FolderIcon) v;
-                ArrayList<View> items = fi.getFolder().getItemsInReadingOrder();
-                for (int j = 0; j < items.size(); j++) {
-                    if (items.get(j).getTag() instanceof ShortcutInfo) {
-                        ShortcutInfo si = (ShortcutInfo) items.get(j).getTag();
-                        ComponentName cn = si.intent.getComponent();
-
-                        Uri dataUri = si.intent.getData();
-                        // If dataUri is not null / empty or if this component isn't one that would
-                        // have previously showed up in the AllApps list, then this is a widget-type
-                        // shortcut, so ignore it.
-                        if (dataUri != null && !dataUri.equals(Uri.EMPTY)) {
-                            continue;
-                        }
-
-                        if (!uniqueIntents.contains(cn)) {
-                            uniqueIntents.add(cn);
-                        }  else {
-                            if (stripDuplicates) {
-                                fi.getFolderInfo().remove(si);
-                                LauncherModel.deleteItemFromDatabase(mLauncher, si);
-                            }
-                            if (duplicates != null) {
-                                duplicates.add(cn);
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    }
-
     void saveWorkspaceToDb() {
         saveWorkspaceScreenToDb((CellLayout) mLauncher.getHotseat().getLayout());
         int count = getChildCount();
diff --git a/src/com/android/launcher3/compat/LauncherActivityInfoCompatV16.java b/src/com/android/launcher3/compat/LauncherActivityInfoCompatV16.java
index 1d41a6f..ea51aac 100644
--- a/src/com/android/launcher3/compat/LauncherActivityInfoCompatV16.java
+++ b/src/com/android/launcher3/compat/LauncherActivityInfoCompatV16.java
@@ -29,13 +29,15 @@
 
 
 public class LauncherActivityInfoCompatV16 extends LauncherActivityInfoCompat {
-    private ActivityInfo mActivityInfo;
-    private ComponentName mComponentName;
-    private PackageManager mPm;
+    private final ResolveInfo mResolveInfo;
+    private final ActivityInfo mActivityInfo;
+    private final ComponentName mComponentName;
+    private final PackageManager mPm;
 
     LauncherActivityInfoCompatV16(Context context, ResolveInfo info) {
         super();
-        this.mActivityInfo = info.activityInfo;
+        mResolveInfo = info;
+        mActivityInfo = info.activityInfo;
         mComponentName = new ComponentName(mActivityInfo.packageName, mActivityInfo.name);
         mPm = context.getPackageManager();
     }
@@ -49,31 +51,30 @@
     }
 
     public CharSequence getLabel() {
-        return mActivityInfo.loadLabel(mPm);
+        return mResolveInfo.loadLabel(mPm);
     }
 
     public Drawable getIcon(int density) {
-        Drawable d = null;
-        if (mActivityInfo.getIconResource() != 0) {
-            Resources resources;
+        int iconRes = mResolveInfo.getIconResource();
+        Resources resources = null;
+        Drawable icon = null;
+        // Get the preferred density icon from the app's resources
+        if (density != 0 && iconRes != 0) {
             try {
-                resources = mPm.getResourcesForApplication(mActivityInfo.packageName);
-            } catch (PackageManager.NameNotFoundException e) {
-                resources = null;
-            }
-            if (resources != null) {
-                try {
-                    d = resources.getDrawableForDensity(mActivityInfo.getIconResource(), density);
-                } catch (Resources.NotFoundException e) {
-                    // Return default icon below.
-                }
+                resources = mPm.getResourcesForApplication(mActivityInfo.applicationInfo);
+                icon = resources.getDrawableForDensity(iconRes, density);
+            } catch (NameNotFoundException | Resources.NotFoundException exc) {
             }
         }
-        if (d == null) {
-            Resources resources = Resources.getSystem();
-            d = resources.getDrawableForDensity(android.R.mipmap.sym_def_app_icon, density);
+        // Get the default density icon
+        if (icon == null) {
+            icon = mResolveInfo.loadIcon(mPm);
         }
-        return d;
+        if (icon == null) {
+            resources = Resources.getSystem();
+            icon = resources.getDrawableForDensity(android.R.mipmap.sym_def_app_icon, density);
+        }
+        return icon;
     }
 
     public ApplicationInfo getApplicationInfo() {