diff --git a/Android.mk b/Android.mk
index e22d53c..3b1a244 100644
--- a/Android.mk
+++ b/Android.mk
@@ -32,7 +32,7 @@
 LOCAL_PROTOC_OPTIMIZE_TYPE := nano
 LOCAL_PROTOC_FLAGS := --proto_path=$(LOCAL_PATH)/protos/
 
-LOCAL_SDK_VERSION := 17
+LOCAL_SDK_VERSION := 19
 
 LOCAL_PACKAGE_NAME := Launcher3
 #LOCAL_CERTIFICATE := shared
diff --git a/res/values/strings.xml b/res/values/strings.xml
index dfccd98..9f4f20b 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -38,6 +38,9 @@
         <item quantity="one">%1$d selected</item>
         <item quantity="other">%1$d selected</item>
     </plurals>
+    <!-- Accessibility string used as a label for a particular wallpaper in the Wallpaper Picker list.
+         e.g. "Wallpaper 3 of 10" -->
+    <string name="wallpaper_accessibility_name">Wallpaper %1$d of %2$d</string>
 
     <!-- Label on button to delete wallpaper(s) -->
     <string name="wallpaper_delete">Delete</string>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 9f2a105..42704df 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -22,6 +22,7 @@
         <item name="android:actionBarStyle">@style/WallpaperCropperActionBar</item>
         <item name="android:windowFullscreen">true</item>
         <item name="android:windowActionBarOverlay">true</item>
+        <item name="android:windowTranslucentNavigation">true</item>
     </style>
 
     <style name="WallpaperCropperActionBar" parent="android:style/Widget.Holo.ActionBar">
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 7aceb41..201e583 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -270,6 +270,7 @@
     private IconCache mIconCache;
     private boolean mUserPresent = true;
     private boolean mVisible = false;
+    private boolean mHasFocus = false;
     private boolean mAttached = false;
     private static final boolean DISABLE_CLINGS = false;
     private static final boolean DISABLE_CUSTOM_CLINGS = true;
@@ -1009,25 +1010,11 @@
     }
 
     // We can't hide the IME if it was forced open.  So don't bother
-    /*
     @Override
     public void onWindowFocusChanged(boolean hasFocus) {
         super.onWindowFocusChanged(hasFocus);
-
-        if (hasFocus) {
-            final InputMethodManager inputManager = (InputMethodManager)
-                    getSystemService(Context.INPUT_METHOD_SERVICE);
-            WindowManager.LayoutParams lp = getWindow().getAttributes();
-            inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new
-                        android.os.Handler()) {
-                        protected void onReceiveResult(int resultCode, Bundle resultData) {
-                            Log.d(TAG, "ResultReceiver got resultCode=" + resultCode);
-                        }
-                    });
-            Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged");
-        }
+        mHasFocus = hasFocus;
     }
-    */
 
     private boolean acceptFilter() {
         final InputMethodManager inputManager = (InputMethodManager)
@@ -1485,7 +1472,7 @@
                 // Reset AllApps to its initial state only if we are not in the middle of
                 // processing a multi-step drop
                 if (mAppsCustomizeTabHost != null && mPendingAddInfo.container == ItemInfo.NO_ID) {
-                    showWorkspaceAndExitOverviewMode(false);
+                    showWorkspace(false);
                 }
             } else if (Intent.ACTION_USER_PRESENT.equals(action)) {
                 mUserPresent = true;
@@ -1669,9 +1656,9 @@
             // also will cancel mWaitingForResult.
             closeSystemDialogs();
 
-            final boolean alreadyOnHome =
-                    ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT)
-                        != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT);
+            final boolean alreadyOnHome = mHasFocus && ((intent.getFlags() &
+                    Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT)
+                    != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT);
 
             if (mWorkspace == null) {
                 // Can be cases where mWorkspace is null, this prevents a NPE
@@ -1691,7 +1678,7 @@
             // If we are already on home, then just animate back to the workspace,
             // otherwise, just wait until onResume to set the state back to Workspace
             if (alreadyOnHome) {
-                showWorkspaceAndExitOverviewMode(true);
+                showWorkspace(true);
             } else {
                 mOnResumeState = State.WORKSPACE;
             }
@@ -1708,21 +1695,12 @@
                 mAppsCustomizeTabHost.reset();
             }
         }
+
         if (DEBUG_RESUME_TIME) {
             Log.d(TAG, "Time spent in onNewIntent: " + (System.currentTimeMillis() - startTime));
         }
     }
 
-    protected void showWorkspaceAndExitOverviewMode(boolean animate) {
-        showWorkspace(animate);
-        if (mWorkspace.isInOverviewMode()) {
-            mWorkspace.exitOverviewMode(animate);
-        }
-    }
-    protected void showWorkspaceAndExitOverviewMode() {
-        showWorkspaceAndExitOverviewMode(false);
-    }
-
     @Override
     public void onRestoreInstanceState(Bundle state) {
         super.onRestoreInstanceState(state);
@@ -2079,7 +2057,6 @@
     }
 
     protected void startWallpaper() {
-        showWorkspace(true);
         final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER);
         pickWallpaper.setComponent(getWallpaperPickerComponent());
         startActivityForResult(pickWallpaper, REQUEST_PICK_WALLPAPER);
@@ -2125,7 +2102,12 @@
     @Override
     public void onBackPressed() {
         if (isAllAppsVisible()) {
-            showWorkspace(true);
+            if (mAppsCustomizeContent.getContentType() ==
+                    AppsCustomizePagedView.ContentType.Applications) {
+                showWorkspace(true);
+            } else {
+                showOverviewMode(true);
+            }
         } else if (mWorkspace.isInOverviewMode()) {
             mWorkspace.exitOverviewMode(true);
         } else if (mWorkspace.getOpenFolder() != null) {
@@ -2943,7 +2925,7 @@
      * This is the opposite of showAppsCustomizeHelper.
      * @param animated If true, the transition will be animated.
      */
-    private void hideAppsCustomizeHelper(State toState, final boolean animated,
+    private void hideAppsCustomizeHelper(Workspace.State toState, final boolean animated,
             final boolean springLoaded, final Runnable onCompleteRunnable) {
 
         if (mStateAnimation != null) {
@@ -2961,13 +2943,14 @@
         final View fromView = mAppsCustomizeTabHost;
         final View toView = mWorkspace;
         Animator workspaceAnim = null;
-        if (toState == State.WORKSPACE) {
+        if (toState == Workspace.State.NORMAL) {
             int stagger = res.getInteger(R.integer.config_appsCustomizeWorkspaceAnimationStagger);
             workspaceAnim = mWorkspace.getChangeStateAnimation(
-                    Workspace.State.NORMAL, animated, stagger, -1);
-        } else if (toState == State.APPS_CUSTOMIZE_SPRING_LOADED) {
+                    toState, animated, stagger, -1);
+        } else if (toState == Workspace.State.SPRING_LOADED ||
+                toState == Workspace.State.OVERVIEW) {
             workspaceAnim = mWorkspace.getChangeStateAnimation(
-                    Workspace.State.SPRING_LOADED, animated);
+                    toState, animated);
         }
 
         setPivotsForZoom(fromView, scaleFactor);
@@ -3039,15 +3022,22 @@
         }
     }
 
-    void showWorkspace(boolean animated) {
+    protected void showWorkspace(boolean animated) {
         showWorkspace(animated, null);
     }
 
+    protected void showWorkspace() {
+        showWorkspace(true);
+    }
+
     void showWorkspace(boolean animated, Runnable onCompleteRunnable) {
+        if (mWorkspace.isInOverviewMode()) {
+            mWorkspace.exitOverviewMode(animated);
+        }
         if (mState != State.WORKSPACE) {
             boolean wasInSpringLoadedMode = (mState != State.WORKSPACE);
             mWorkspace.setVisibility(View.VISIBLE);
-            hideAppsCustomizeHelper(State.WORKSPACE, animated, false, onCompleteRunnable);
+            hideAppsCustomizeHelper(Workspace.State.NORMAL, animated, false, onCompleteRunnable);
 
             // Show the search bar (only animate if we were showing the drop target bar in spring
             // loaded mode)
@@ -3075,6 +3065,13 @@
         onWorkspaceShown(animated);
     }
 
+    void showOverviewMode(boolean animated) {
+        mWorkspace.setVisibility(View.VISIBLE);
+        hideAppsCustomizeHelper(Workspace.State.OVERVIEW, animated, false, null);
+        mState = State.WORKSPACE;
+        onWorkspaceShown(animated);
+    }
+
     public void onWorkspaceShown(boolean animated) {
     }
 
@@ -3100,7 +3097,7 @@
 
     void enterSpringLoadedDragMode() {
         if (isAllAppsVisible()) {
-            hideAppsCustomizeHelper(State.APPS_CUSTOMIZE_SPRING_LOADED, true, true, null);
+            hideAppsCustomizeHelper(Workspace.State.SPRING_LOADED, true, true, null);
             mState = State.APPS_CUSTOMIZE_SPRING_LOADED;
         }
     }
diff --git a/src/com/android/launcher3/LiveWallpaperListAdapter.java b/src/com/android/launcher3/LiveWallpaperListAdapter.java
index 4b59794..54e0af7 100644
--- a/src/com/android/launcher3/LiveWallpaperListAdapter.java
+++ b/src/com/android/launcher3/LiveWallpaperListAdapter.java
@@ -93,6 +93,7 @@
         WallpaperPickerActivity.setWallpaperItemPaddingToZero((FrameLayout) view);
 
         LiveWallpaperTile wallpaperInfo = mWallpapers.get(position);
+        wallpaperInfo.setView(view);
         ImageView image = (ImageView) view.findViewById(R.id.wallpaper_image);
         ImageView icon = (ImageView) view.findViewById(R.id.wallpaper_icon);
         if (wallpaperInfo.mThumbnail != null) {
@@ -174,46 +175,10 @@
                 Intent launchIntent = new Intent(WallpaperService.SERVICE_INTERFACE);
                 launchIntent.setClassName(info.getPackageName(), info.getServiceName());
                 LiveWallpaperTile wallpaper = new LiveWallpaperTile(thumb, info, launchIntent);
-
-                // TODO: generate a default thumb
-                /*
-                final Resources res = mContext.getResources();
-                Canvas canvas = new Canvas();
-                Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG);
-                paint.setTextAlign(Paint.Align.CENTER);
-                BitmapDrawable galleryIcon = (BitmapDrawable) res.getDrawable(
-                        R.drawable.livewallpaper_placeholder);
-                if (thumb == null) {
-                    int thumbWidth = res.getDimensionPixelSize(
-                            R.dimen.live_wallpaper_thumbnail_width);
-                    int thumbHeight = res.getDimensionPixelSize(
-                            R.dimen.live_wallpaper_thumbnail_height);
-
-                    Bitmap thumbnail = Bitmap.createBitmap(thumbWidth, thumbHeight,
-                            Bitmap.Config.ARGB_8888);
-
-                    paint.setColor(res.getColor(R.color.live_wallpaper_thumbnail_background));
-                    canvas.setBitmap(thumbnail);
-                    canvas.drawPaint(paint);
-
-                    galleryIcon.setBounds(0, 0, thumbWidth, thumbHeight);
-                    galleryIcon.setGravity(Gravity.CENTER);
-                    galleryIcon.draw(canvas);
-
-                    String title = info.loadLabel(packageManager).toString();
-
-                    paint.setColor(res.getColor(R.color.live_wallpaper_thumbnail_text_color));
-                    paint.setTextSize(
-                            res.getDimensionPixelSize(R.dimen.live_wallpaper_thumbnail_text_size));
-
-                    canvas.drawText(title, (int) (thumbWidth * 0.5),
-                            thumbHeight - res.getDimensionPixelSize(
-                                    R.dimen.live_wallpaper_thumbnail_text_offset), paint);
-
-                    thumb = new BitmapDrawable(res, thumbnail);
-                }*/
                 publishProgress(wallpaper);
             }
+            // Send a null object to show loading is finished
+            publishProgress((LiveWallpaperTile) null);
 
             return null;
         }
@@ -221,6 +186,10 @@
         @Override
         protected void onProgressUpdate(LiveWallpaperTile...infos) {
             for (LiveWallpaperTile info : infos) {
+                if (info == null) {
+                    LiveWallpaperListAdapter.this.notifyDataSetChanged();
+                    break;
+                }
                 info.mThumbnail.setDither(true);
                 if (mWallpaperPosition < mWallpapers.size()) {
                     mWallpapers.set(mWallpaperPosition, info);
@@ -228,9 +197,6 @@
                     mWallpapers.add(info);
                 }
                 mWallpaperPosition++;
-                if (mWallpaperPosition == getCount()) {
-                    LiveWallpaperListAdapter.this.notifyDataSetChanged();
-                }
             }
         }
     }
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 003b2db..b209436 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -668,11 +668,10 @@
         if (am.isEnabled()) {
             AccessibilityEvent ev =
                     AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_SCROLLED);
-            ev.getText().add("");
             ev.setItemCount(getChildCount());
             ev.setFromIndex(mCurrentPage);
-            int action = AccessibilityNodeInfo.ACTION_SCROLL_FORWARD;
 
+            final int action;
             if (getNextPage() >= mCurrentPage) {
                 action = AccessibilityNodeInfo.ACTION_SCROLL_FORWARD;
             } else {
@@ -2754,6 +2753,14 @@
     }
 
     @Override
+    public void sendAccessibilityEvent(int eventType) {
+        // Don't let the view send real scroll events.
+        if (eventType != AccessibilityEvent.TYPE_VIEW_SCROLLED) {
+            super.sendAccessibilityEvent(eventType);
+        }
+    }
+
+    @Override
     public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
         super.onInitializeAccessibilityEvent(event);
         event.setScrollable(true);
diff --git a/src/com/android/launcher3/SavedWallpaperImages.java b/src/com/android/launcher3/SavedWallpaperImages.java
index 531672a..ee4888d 100644
--- a/src/com/android/launcher3/SavedWallpaperImages.java
+++ b/src/com/android/launcher3/SavedWallpaperImages.java
@@ -79,6 +79,10 @@
         public boolean isSelectable() {
             return true;
         }
+        @Override
+        public boolean isNamelessWallpaper() {
+            return true;
+        }
     }
 
     public SavedWallpaperImages(Activity context) {
diff --git a/src/com/android/launcher3/WallpaperCropActivity.java b/src/com/android/launcher3/WallpaperCropActivity.java
index 78c8964..fe09a55 100644
--- a/src/com/android/launcher3/WallpaperCropActivity.java
+++ b/src/com/android/launcher3/WallpaperCropActivity.java
@@ -102,8 +102,6 @@
                         cropImageAndSetWallpaper(imageUri, null, finishActivityWhenDone);
                     }
                 });
-        TranslucentDecor transparentDecor = new TranslucentDecor(findViewById(R.id.wallpaper_root));
-        transparentDecor.requestTranslucentDecor(true);
     }
 
     public boolean enableRotation() {
diff --git a/src/com/android/launcher3/WallpaperPickerActivity.java b/src/com/android/launcher3/WallpaperPickerActivity.java
index 82c9977..9d3164b 100644
--- a/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -92,10 +92,20 @@
     private WallpaperInfo mLiveWallpaperInfoOnPickerLaunch;
 
     public static abstract class WallpaperTileInfo {
+        protected View mView;
+        public void setView(View v) {
+            mView = v;
+        }
         public void onClick(WallpaperPickerActivity a) {}
         public void onSave(WallpaperPickerActivity a) {}
         public void onDelete(WallpaperPickerActivity a) {}
         public boolean isSelectable() { return false; }
+        public boolean isNamelessWallpaper() { return false; }
+        public void onIndexUpdated(CharSequence label) {
+            if (isNamelessWallpaper()) {
+                mView.setContentDescription(label);
+            }
+        }
     }
 
     public static class PickImageInfo extends WallpaperTileInfo {
@@ -136,6 +146,10 @@
         public boolean isSelectable() {
             return true;
         }
+        @Override
+        public boolean isNamelessWallpaper() {
+            return true;
+        }
     }
 
     public static class ResourceWallpaperInfo extends WallpaperTileInfo {
@@ -171,6 +185,10 @@
         public boolean isSelectable() {
             return true;
         }
+        @Override
+        public boolean isNamelessWallpaper() {
+            return true;
+        }
     }
 
     public void setWallpaperStripYOffset(float offset) {
@@ -181,8 +199,6 @@
     protected void init() {
         setContentView(R.layout.wallpaper_picker);
         final WallpaperRootView root = (WallpaperRootView) findViewById(R.id.wallpaper_root);
-        TranslucentDecor transparentDecor = new TranslucentDecor(root);
-        transparentDecor.requestTranslucentDecor(true);
 
         mCropView = (CropView) findViewById(R.id.cropView);
         mWallpaperStrip = findViewById(R.id.wallpaper_strip);
@@ -282,6 +298,7 @@
                 liveWallpapersView.removeAllViews();
                 populateWallpapersFromAdapter(liveWallpapersView, a, false, false);
                 initializeScrollForRtl();
+                updateTileIndices();
             }
         });
 
@@ -294,16 +311,16 @@
 
         // Add a tile for the Gallery
         LinearLayout masterWallpaperList = (LinearLayout) findViewById(R.id.master_wallpaper_list);
-        FrameLayout galleryThumbnail = (FrameLayout) getLayoutInflater().
+        FrameLayout pickImageTile = (FrameLayout) getLayoutInflater().
                 inflate(R.layout.wallpaper_picker_image_picker_item, masterWallpaperList, false);
-        setWallpaperItemPaddingToZero(galleryThumbnail);
-        masterWallpaperList.addView(galleryThumbnail, 0);
+        setWallpaperItemPaddingToZero(pickImageTile);
+        masterWallpaperList.addView(pickImageTile, 0);
 
         // Make its background the last photo taken on external storage
         Bitmap lastPhoto = getThumbnailOfLastPhoto();
         if (lastPhoto != null) {
             ImageView galleryThumbnailBg =
-                    (ImageView) galleryThumbnail.findViewById(R.id.wallpaper_image);
+                    (ImageView) pickImageTile.findViewById(R.id.wallpaper_image);
             galleryThumbnailBg.setImageBitmap(getThumbnailOfLastPhoto());
             int colorOverlay = getResources().getColor(R.color.wallpaper_picker_translucent_gray);
             galleryThumbnailBg.setColorFilter(colorOverlay, PorterDuff.Mode.SRC_ATOP);
@@ -311,8 +328,12 @@
         }
 
         PickImageInfo pickImageInfo = new PickImageInfo();
-        galleryThumbnail.setTag(pickImageInfo);
-        galleryThumbnail.setOnClickListener(mThumbnailOnClickListener);
+        pickImageTile.setTag(pickImageInfo);
+        pickImageInfo.setView(pickImageTile);
+        pickImageTile.setOnClickListener(mThumbnailOnClickListener);
+        pickImageInfo.setView(pickImageTile);
+
+        updateTileIndices();
 
         // Update the scroll for RTL
         initializeScrollForRtl();
@@ -396,6 +417,7 @@
                     for (View v : viewsToRemove) {
                         mWallpapersView.removeView(v);
                     }
+                    updateTileIndices();
                     mode.finish(); // Action picked, so close the CAB
                     return true;
                 } else {
@@ -479,7 +501,9 @@
         for (int i = 0; i < adapter.getCount(); i++) {
             FrameLayout thumbnail = (FrameLayout) adapter.getView(i, null, parent);
             parent.addView(thumbnail, i);
-            thumbnail.setTag(adapter.getItem(i));
+            WallpaperTileInfo info = (WallpaperTileInfo) adapter.getItem(i);
+            thumbnail.setTag(info);
+            info.setView(thumbnail);
             if (addLongPressHandler) {
                 addLongPressHandler(thumbnail);
             }
@@ -490,6 +514,48 @@
         }
     }
 
+    private void updateTileIndices() {
+        LinearLayout masterWallpaperList = (LinearLayout) findViewById(R.id.master_wallpaper_list);
+        final int childCount = masterWallpaperList.getChildCount();
+        ArrayList<WallpaperTileInfo> tiles = new ArrayList<WallpaperTileInfo>();
+        final Resources res = getResources();
+
+        // Do two passes; the first pass gets the total number of tiles
+        int numTiles = 0;
+        for (int passNum = 0; passNum < 2; passNum++) {
+            int tileIndex = 0;
+            for (int i = 0; i < childCount; i++) {
+                View child = masterWallpaperList.getChildAt(i);
+                LinearLayout subList;
+
+                int subListStart;
+                int subListEnd;
+                if (child.getTag() instanceof WallpaperTileInfo) {
+                    subList = masterWallpaperList;
+                    subListStart = i;
+                    subListEnd = i + 1;
+                } else { // if (child instanceof LinearLayout) {
+                    subList = (LinearLayout) child;
+                    subListStart = 0;
+                    subListEnd = subList.getChildCount();
+                }
+
+                for (int j = subListStart; j < subListEnd; j++) {
+                    WallpaperTileInfo info = (WallpaperTileInfo) subList.getChildAt(j).getTag();
+                    if (info.isNamelessWallpaper()) {
+                        if (passNum == 0) {
+                            numTiles++;
+                        } else {
+                            CharSequence label = res.getString(
+                                    R.string.wallpaper_accessibility_name, ++tileIndex, numTiles);
+                            info.onIndexUpdated(label);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
     private static Point getDefaultThumbnailSize(Resources res) {
         return new Point(res.getDimensionPixelSize(R.dimen.wallpaperThumbnailWidth),
                 res.getDimensionPixelSize(R.dimen.wallpaperThumbnailHeight));
@@ -545,9 +611,11 @@
             Log.e(TAG, "Error loading thumbnail for uri=" + uri);
         }
         mWallpapersView.addView(pickedImageThumbnail, 0);
+        updateTileIndices();
 
         UriWallpaperInfo info = new UriWallpaperInfo(uri);
         pickedImageThumbnail.setTag(info);
+        info.setView(pickedImageThumbnail);
         pickedImageThumbnail.setOnClickListener(mThumbnailOnClickListener);
         mThumbnailOnClickListener.onClick(pickedImageThumbnail);
     }
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index d7d17ed..a23d7d0 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -2075,7 +2075,7 @@
                     R.integer.config_appsCustomizeSpringLoadedBgAlpha) / 100f, true);
         } else {
             // Fade the background gradient away
-            animateBackgroundGradient(0f, true);
+            animateBackgroundGradient(0f, animated);
         }
         return anim;
     }