diff --git a/src/com/android/launcher3/IconProvider.java b/src/com/android/launcher3/IconProvider.java
index ed8d03c..e1ef954 100644
--- a/src/com/android/launcher3/IconProvider.java
+++ b/src/com/android/launcher3/IconProvider.java
@@ -3,38 +3,19 @@
 import android.content.Context;
 import android.content.pm.LauncherActivityInfo;
 import android.graphics.drawable.Drawable;
-import android.os.Build;
 
 import com.android.launcher3.util.ResourceBasedOverride;
 
-import java.util.Locale;
-
 public class IconProvider implements ResourceBasedOverride {
 
-    protected String mSystemState;
-
     public static IconProvider newInstance(Context context) {
-        IconProvider provider = Overrides.getObject(
-                IconProvider.class, context, R.string.icon_provider_class);
-        provider.updateSystemStateString(context);
-        return provider;
+        return Overrides.getObject(IconProvider.class, context, R.string.icon_provider_class);
     }
 
     public IconProvider() { }
 
-    public void updateSystemStateString(Context context) {
-        final String locale;
-        if (Utilities.ATLEAST_NOUGAT) {
-            locale = context.getResources().getConfiguration().getLocales().toLanguageTags();
-        } else {
-            locale = Locale.getDefault().toString();
-        }
-
-        mSystemState = locale + "," + Build.VERSION.SDK_INT;
-    }
-
-    public String getIconSystemState(String packageName) {
-        return mSystemState;
+    public String getSystemStateForPackage(String systemState, String packageName) {
+        return systemState;
     }
 
     /**
diff --git a/src/com/android/launcher3/icons/BaseIconCache.java b/src/com/android/launcher3/icons/BaseIconCache.java
deleted file mode 100644
index 61c8ccc..0000000
--- a/src/com/android/launcher3/icons/BaseIconCache.java
+++ /dev/null
@@ -1,526 +0,0 @@
-/*
- * Copyright (C) 2018 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.icons;
-
-import static com.android.launcher3.icons.BitmapInfo.LOW_RES_ICON;
-import static com.android.launcher3.icons.GraphicsUtils.setColorAlphaBound;
-
-import android.content.ComponentName;
-import android.content.ContentValues;
-import android.content.Context;
-import android.content.pm.ActivityInfo;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.PackageManager.NameNotFoundException;
-import android.content.res.Resources;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteException;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.graphics.drawable.Drawable;
-import android.os.Build;
-import android.os.Build.VERSION;
-import android.os.Handler;
-import android.os.Looper;
-import android.os.Process;
-import android.os.UserHandle;
-import android.text.TextUtils;
-import android.util.Log;
-
-import com.android.launcher3.IconProvider;
-import com.android.launcher3.util.ComponentKey;
-import com.android.launcher3.util.Preconditions;
-import com.android.launcher3.util.Provider;
-import com.android.launcher3.util.SQLiteCacheHelper;
-
-import java.util.HashMap;
-import java.util.HashSet;
-
-import androidx.annotation.NonNull;
-
-public abstract class BaseIconCache {
-
-    private static final String TAG = "BaseIconCache";
-    private static final boolean DEBUG = false;
-
-    private static final int INITIAL_ICON_CACHE_CAPACITY = 50;
-
-    // Empty class name is used for storing package default entry.
-    public static final String EMPTY_CLASS_NAME = ".";
-
-    public static class CacheEntry extends BitmapInfo {
-        public CharSequence title = "";
-        public CharSequence contentDescription = "";
-    }
-
-    private final HashMap<UserHandle, BitmapInfo> mDefaultIcons = new HashMap<>();
-
-    protected final Context mContext;
-    protected final PackageManager mPackageManager;
-    protected final IconProvider mIconProvider;
-
-    private final HashMap<ComponentKey, CacheEntry> mCache =
-            new HashMap<>(INITIAL_ICON_CACHE_CAPACITY);
-    protected final Handler mWorkerHandler;
-
-    protected int mIconDpi;
-    IconDB mIconDb;
-
-    private final String mDbFileName;
-    private final BitmapFactory.Options mDecodeOptions;
-    private final Looper mBgLooper;
-
-    public BaseIconCache(Context context, String dbFileName, Looper bgLooper,
-            int iconDpi, int iconPixelSize) {
-        mContext = context;
-        mDbFileName = dbFileName;
-        mPackageManager = context.getPackageManager();
-        mBgLooper = bgLooper;
-
-        mIconProvider = IconProvider.newInstance(context);
-        mWorkerHandler = new Handler(mBgLooper);
-
-        if (BitmapRenderer.USE_HARDWARE_BITMAP && Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            mDecodeOptions = new BitmapFactory.Options();
-            mDecodeOptions.inPreferredConfig = Bitmap.Config.HARDWARE;
-        } else {
-            mDecodeOptions = null;
-        }
-
-        mIconDpi = iconDpi;
-        mIconDb = new IconDB(context, dbFileName, iconPixelSize);
-    }
-
-    /**
-     * Returns the persistable serial number for {@param user}. Subclass should implement proper
-     * caching strategy to avoid making binder call every time.
-     */
-    protected abstract long getSerialNumberForUser(UserHandle user);
-
-    /**
-     * Return true if the given app is an instant app and should be badged appropriately.
-     */
-    protected abstract boolean isInstantApp(ApplicationInfo info);
-
-
-    public void updateIconParams(int iconDpi, int iconPixelSize) {
-        mWorkerHandler.post(() -> updateIconParamsBg(iconDpi, iconPixelSize));
-    }
-
-    private synchronized void updateIconParamsBg(int iconDpi, int iconPixelSize) {
-        mIconDpi = iconDpi;
-        mDefaultIcons.clear();
-
-        mIconDb.close();
-        mIconDb = new IconDB(mContext, mDbFileName, iconPixelSize);
-        mCache.clear();
-    }
-
-    private Drawable getFullResDefaultActivityIcon() {
-        return Resources.getSystem().getDrawableForDensity(
-                Build.VERSION.SDK_INT >= Build.VERSION_CODES.O
-                        ? android.R.drawable.sym_def_app_icon : android.R.mipmap.sym_def_app_icon,
-                mIconDpi);
-    }
-
-    private Drawable getFullResIcon(Resources resources, int iconId) {
-        if (resources != null && iconId != 0) {
-            try {
-                return resources.getDrawableForDensity(iconId, mIconDpi);
-            } catch (Resources.NotFoundException e) { }
-        }
-        return getFullResDefaultActivityIcon();
-    }
-
-    public Drawable getFullResIcon(String packageName, int iconId) {
-        try {
-            return getFullResIcon(mPackageManager.getResourcesForApplication(packageName), iconId);
-        } catch (PackageManager.NameNotFoundException e) { }
-        return getFullResDefaultActivityIcon();
-    }
-
-    public Drawable getFullResIcon(ActivityInfo info) {
-        try {
-            return getFullResIcon(mPackageManager.getResourcesForApplication(info.applicationInfo),
-                    info.getIconResource());
-        } catch (PackageManager.NameNotFoundException e) { }
-        return getFullResDefaultActivityIcon();
-    }
-
-    protected BitmapInfo makeDefaultIcon(UserHandle user) {
-        try (LauncherIcons li = LauncherIcons.obtain(mContext)) {
-            return li.createBadgedIconBitmap(
-                    getFullResDefaultActivityIcon(), user, VERSION.SDK_INT);
-        }
-    }
-
-    /**
-     * Remove any records for the supplied ComponentName.
-     */
-    public synchronized void remove(ComponentName componentName, UserHandle user) {
-        mCache.remove(new ComponentKey(componentName, user));
-    }
-
-    /**
-     * Remove any records for the supplied package name from memory.
-     */
-    private void removeFromMemCacheLocked(String packageName, UserHandle user) {
-        HashSet<ComponentKey> forDeletion = new HashSet<>();
-        for (ComponentKey key: mCache.keySet()) {
-            if (key.componentName.getPackageName().equals(packageName)
-                    && key.user.equals(user)) {
-                forDeletion.add(key);
-            }
-        }
-        for (ComponentKey condemned: forDeletion) {
-            mCache.remove(condemned);
-        }
-    }
-
-    /**
-     * Removes the entries related to the given package in memory and persistent DB.
-     */
-    public synchronized void removeIconsForPkg(String packageName, UserHandle user) {
-        removeFromMemCacheLocked(packageName, user);
-        long userSerial = getSerialNumberForUser(user);
-        mIconDb.delete(
-                IconDB.COLUMN_COMPONENT + " LIKE ? AND " + IconDB.COLUMN_USER + " = ?",
-                new String[]{packageName + "/%", Long.toString(userSerial)});
-    }
-
-    public IconCacheUpdateHandler getUpdateHandler() {
-        mIconProvider.updateSystemStateString(mContext);
-        return new IconCacheUpdateHandler(this);
-    }
-
-    /**
-     * Adds an entry into the DB and the in-memory cache.
-     * @param replaceExisting if true, it will recreate the bitmap even if it already exists in
-     *                        the memory. This is useful then the previous bitmap was created using
-     *                        old data.
-     * package private
-     */
-    synchronized <T> void addIconToDBAndMemCache(T object, CachingLogic<T> cachingLogic,
-            PackageInfo info, long userSerial, boolean replaceExisting) {
-        UserHandle user = cachingLogic.getUser(object);
-        ComponentName componentName = cachingLogic.getComponent(object);
-
-        final ComponentKey key = new ComponentKey(componentName, user);
-        CacheEntry entry = null;
-        if (!replaceExisting) {
-            entry = mCache.get(key);
-            // We can't reuse the entry if the high-res icon is not present.
-            if (entry == null || entry.icon == null || entry.isLowRes()) {
-                entry = null;
-            }
-        }
-        if (entry == null) {
-            entry = new CacheEntry();
-            cachingLogic.loadIcon(mContext, object, entry);
-        }
-        entry.title = cachingLogic.getLabel(object);
-        entry.contentDescription = mPackageManager.getUserBadgedLabel(entry.title, user);
-        mCache.put(key, entry);
-
-        ContentValues values = newContentValues(entry, entry.title.toString(),
-                componentName.getPackageName());
-        addIconToDB(values, componentName, info, userSerial);
-    }
-
-    /**
-     * Updates {@param values} to contain versioning information and adds it to the DB.
-     * @param values {@link ContentValues} containing icon & title
-     */
-    private void addIconToDB(ContentValues values, ComponentName key,
-            PackageInfo info, long userSerial) {
-        values.put(IconDB.COLUMN_COMPONENT, key.flattenToString());
-        values.put(IconDB.COLUMN_USER, userSerial);
-        values.put(IconDB.COLUMN_LAST_UPDATED, info.lastUpdateTime);
-        values.put(IconDB.COLUMN_VERSION, info.versionCode);
-        mIconDb.insertOrReplace(values);
-    }
-
-    public synchronized BitmapInfo getDefaultIcon(UserHandle user) {
-        if (!mDefaultIcons.containsKey(user)) {
-            mDefaultIcons.put(user, makeDefaultIcon(user));
-        }
-        return mDefaultIcons.get(user);
-    }
-
-    public boolean isDefaultIcon(Bitmap icon, UserHandle user) {
-        return getDefaultIcon(user).icon == icon;
-    }
-
-    /**
-     * Retrieves the entry from the cache. If the entry is not present, it creates a new entry.
-     * This method is not thread safe, it must be called from a synchronized method.
-     */
-    protected <T> CacheEntry cacheLocked(
-            @NonNull ComponentName componentName, @NonNull UserHandle user,
-            @NonNull Provider<T> infoProvider, @NonNull CachingLogic<T> cachingLogic,
-            boolean usePackageIcon, boolean useLowResIcon) {
-        return cacheLocked(componentName, user, infoProvider, cachingLogic, usePackageIcon,
-                useLowResIcon, true);
-    }
-
-    protected <T> CacheEntry cacheLocked(
-            @NonNull ComponentName componentName, @NonNull UserHandle user,
-            @NonNull Provider<T> infoProvider, @NonNull CachingLogic<T> cachingLogic,
-            boolean usePackageIcon, boolean useLowResIcon, boolean addToMemCache) {
-        Preconditions.assertWorkerThread();
-        ComponentKey cacheKey = new ComponentKey(componentName, user);
-        CacheEntry entry = mCache.get(cacheKey);
-        if (entry == null || (entry.isLowRes() && !useLowResIcon)) {
-            entry = new CacheEntry();
-            if (addToMemCache) {
-                mCache.put(cacheKey, entry);
-            }
-
-            // Check the DB first.
-            T object = null;
-            boolean providerFetchedOnce = false;
-
-            if (!getEntryFromDB(cacheKey, entry, useLowResIcon)) {
-                object = infoProvider.get();
-                providerFetchedOnce = true;
-
-                if (object != null) {
-                    cachingLogic.loadIcon(mContext, object, entry);
-                } else {
-                    if (usePackageIcon) {
-                        CacheEntry packageEntry = getEntryForPackageLocked(
-                                componentName.getPackageName(), user, false);
-                        if (packageEntry != null) {
-                            if (DEBUG) Log.d(TAG, "using package default icon for " +
-                                    componentName.toShortString());
-                            packageEntry.applyTo(entry);
-                            entry.title = packageEntry.title;
-                            entry.contentDescription = packageEntry.contentDescription;
-                        }
-                    }
-                    if (entry.icon == null) {
-                        if (DEBUG) Log.d(TAG, "using default icon for " +
-                                componentName.toShortString());
-                        getDefaultIcon(user).applyTo(entry);
-                    }
-                }
-            }
-
-            if (TextUtils.isEmpty(entry.title)) {
-                if (object == null && !providerFetchedOnce) {
-                    object = infoProvider.get();
-                    providerFetchedOnce = true;
-                }
-                if (object != null) {
-                    entry.title = cachingLogic.getLabel(object);
-                    entry.contentDescription = mPackageManager.getUserBadgedLabel(entry.title, user);
-                }
-            }
-        }
-        return entry;
-    }
-
-    public synchronized void clear() {
-        Preconditions.assertWorkerThread();
-        mIconDb.clear();
-    }
-
-    /**
-     * Adds a default package entry in the cache. This entry is not persisted and will be removed
-     * when the cache is flushed.
-     */
-    public synchronized void cachePackageInstallInfo(String packageName, UserHandle user,
-            Bitmap icon, CharSequence title) {
-        removeFromMemCacheLocked(packageName, user);
-
-        ComponentKey cacheKey = getPackageKey(packageName, user);
-        CacheEntry entry = mCache.get(cacheKey);
-
-        // For icon caching, do not go through DB. Just update the in-memory entry.
-        if (entry == null) {
-            entry = new CacheEntry();
-        }
-        if (!TextUtils.isEmpty(title)) {
-            entry.title = title;
-        }
-        if (icon != null) {
-            LauncherIcons li = LauncherIcons.obtain(mContext);
-            li.createIconBitmap(icon).applyTo(entry);
-            li.recycle();
-        }
-        if (!TextUtils.isEmpty(title) && entry.icon != null) {
-            mCache.put(cacheKey, entry);
-        }
-    }
-
-    private static ComponentKey getPackageKey(String packageName, UserHandle user) {
-        ComponentName cn = new ComponentName(packageName, packageName + EMPTY_CLASS_NAME);
-        return new ComponentKey(cn, user);
-    }
-
-    /**
-     * Gets an entry for the package, which can be used as a fallback entry for various components.
-     * This method is not thread safe, it must be called from a synchronized method.
-     */
-    protected CacheEntry getEntryForPackageLocked(String packageName, UserHandle user,
-            boolean useLowResIcon) {
-        Preconditions.assertWorkerThread();
-        ComponentKey cacheKey = getPackageKey(packageName, user);
-        CacheEntry entry = mCache.get(cacheKey);
-
-        if (entry == null || (entry.isLowRes() && !useLowResIcon)) {
-            entry = new CacheEntry();
-            boolean entryUpdated = true;
-
-            // Check the DB first.
-            if (!getEntryFromDB(cacheKey, entry, useLowResIcon)) {
-                try {
-                    int flags = Process.myUserHandle().equals(user) ? 0 :
-                            PackageManager.GET_UNINSTALLED_PACKAGES;
-                    PackageInfo info = mPackageManager.getPackageInfo(packageName, flags);
-                    ApplicationInfo appInfo = info.applicationInfo;
-                    if (appInfo == null) {
-                        throw new NameNotFoundException("ApplicationInfo is null");
-                    }
-
-                    LauncherIcons li = LauncherIcons.obtain(mContext);
-                    // Load the full res icon for the application, but if useLowResIcon is set, then
-                    // only keep the low resolution icon instead of the larger full-sized icon
-                    BitmapInfo iconInfo = li.createBadgedIconBitmap(
-                            appInfo.loadIcon(mPackageManager), user, appInfo.targetSdkVersion,
-                            isInstantApp(appInfo));
-                    li.recycle();
-
-                    entry.title = appInfo.loadLabel(mPackageManager);
-                    entry.contentDescription = mPackageManager.getUserBadgedLabel(entry.title, user);
-                    entry.icon = useLowResIcon ? LOW_RES_ICON : iconInfo.icon;
-                    entry.color = iconInfo.color;
-
-                    // Add the icon in the DB here, since these do not get written during
-                    // package updates.
-                    ContentValues values = newContentValues(
-                            iconInfo, entry.title.toString(), packageName);
-                    addIconToDB(values, cacheKey.componentName, info, getSerialNumberForUser(user));
-
-                } catch (NameNotFoundException e) {
-                    if (DEBUG) Log.d(TAG, "Application not installed " + packageName);
-                    entryUpdated = false;
-                }
-            }
-
-            // Only add a filled-out entry to the cache
-            if (entryUpdated) {
-                mCache.put(cacheKey, entry);
-            }
-        }
-        return entry;
-    }
-
-    private boolean getEntryFromDB(ComponentKey cacheKey, CacheEntry entry, boolean lowRes) {
-        Cursor c = null;
-        try {
-            c = mIconDb.query(
-                    lowRes ? IconDB.COLUMNS_LOW_RES : IconDB.COLUMNS_HIGH_RES,
-                    IconDB.COLUMN_COMPONENT + " = ? AND " + IconDB.COLUMN_USER + " = ?",
-                    new String[]{
-                            cacheKey.componentName.flattenToString(),
-                            Long.toString(getSerialNumberForUser(cacheKey.user))});
-            if (c.moveToNext()) {
-                // Set the alpha to be 255, so that we never have a wrong color
-                entry.color = setColorAlphaBound(c.getInt(0), 255);
-                entry.title = c.getString(1);
-                if (entry.title == null) {
-                    entry.title = "";
-                    entry.contentDescription = "";
-                } else {
-                    entry.contentDescription = mPackageManager.getUserBadgedLabel(
-                            entry.title, cacheKey.user);
-                }
-
-                if (lowRes) {
-                    entry.icon = LOW_RES_ICON;
-                } else {
-                    byte[] data = c.getBlob(2);
-                    try {
-                        entry.icon = BitmapFactory.decodeByteArray(data, 0, data.length,
-                                mDecodeOptions);
-                    } catch (Exception e) { }
-                }
-                return true;
-            }
-        } catch (SQLiteException e) {
-            Log.d(TAG, "Error reading icon cache", e);
-        } finally {
-            if (c != null) {
-                c.close();
-            }
-        }
-        return false;
-    }
-
-    static final class IconDB extends SQLiteCacheHelper {
-        private final static int RELEASE_VERSION = 25;
-
-        public final static String TABLE_NAME = "icons";
-        public final static String COLUMN_ROWID = "rowid";
-        public final static String COLUMN_COMPONENT = "componentName";
-        public final static String COLUMN_USER = "profileId";
-        public final static String COLUMN_LAST_UPDATED = "lastUpdated";
-        public final static String COLUMN_VERSION = "version";
-        public final static String COLUMN_ICON = "icon";
-        public final static String COLUMN_ICON_COLOR = "icon_color";
-        public final static String COLUMN_LABEL = "label";
-        public final static String COLUMN_SYSTEM_STATE = "system_state";
-
-        public final static String[] COLUMNS_HIGH_RES = new String[] {
-                IconDB.COLUMN_ICON_COLOR, IconDB.COLUMN_LABEL, IconDB.COLUMN_ICON };
-        public final static String[] COLUMNS_LOW_RES = new String[] {
-                IconDB.COLUMN_ICON_COLOR, IconDB.COLUMN_LABEL };
-
-        public IconDB(Context context, String dbFileName, int iconPixelSize) {
-            super(context, dbFileName, (RELEASE_VERSION << 16) + iconPixelSize, TABLE_NAME);
-        }
-
-        @Override
-        protected void onCreateTable(SQLiteDatabase db) {
-            db.execSQL("CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " (" +
-                    COLUMN_COMPONENT + " TEXT NOT NULL, " +
-                    COLUMN_USER + " INTEGER NOT NULL, " +
-                    COLUMN_LAST_UPDATED + " INTEGER NOT NULL DEFAULT 0, " +
-                    COLUMN_VERSION + " INTEGER NOT NULL DEFAULT 0, " +
-                    COLUMN_ICON + " BLOB, " +
-                    COLUMN_ICON_COLOR + " INTEGER NOT NULL DEFAULT 0, " +
-                    COLUMN_LABEL + " TEXT, " +
-                    COLUMN_SYSTEM_STATE + " TEXT, " +
-                    "PRIMARY KEY (" + COLUMN_COMPONENT + ", " + COLUMN_USER + ") " +
-                    ");");
-        }
-    }
-
-    private ContentValues newContentValues(BitmapInfo bitmapInfo, String label, String packageName) {
-        ContentValues values = new ContentValues();
-        values.put(IconDB.COLUMN_ICON,
-                bitmapInfo.isLowRes() ? null : GraphicsUtils.flattenBitmap(bitmapInfo.icon));
-        values.put(IconDB.COLUMN_ICON_COLOR, bitmapInfo.color);
-
-        values.put(IconDB.COLUMN_LABEL, label);
-        values.put(IconDB.COLUMN_SYSTEM_STATE, mIconProvider.getIconSystemState(packageName));
-
-        return values;
-    }
-}
diff --git a/src/com/android/launcher3/icons/CachingLogic.java b/src/com/android/launcher3/icons/CachingLogic.java
deleted file mode 100644
index 0a3da04..0000000
--- a/src/com/android/launcher3/icons/CachingLogic.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (C) 2018 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.icons;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.os.UserHandle;
-
-public interface CachingLogic<T> {
-
-    ComponentName getComponent(T object);
-
-    UserHandle getUser(T object);
-
-    CharSequence getLabel(T object);
-
-    void loadIcon(Context context, T object, BitmapInfo target);
-}
diff --git a/src/com/android/launcher3/icons/ComponentWithLabel.java b/src/com/android/launcher3/icons/ComponentWithLabel.java
index 7bb8832..46b5002 100644
--- a/src/com/android/launcher3/icons/ComponentWithLabel.java
+++ b/src/com/android/launcher3/icons/ComponentWithLabel.java
@@ -20,6 +20,8 @@
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
 
+import com.android.launcher3.icons.cache.CachingLogic;
+
 public interface ComponentWithLabel {
 
     ComponentName getComponent();
diff --git a/src/com/android/launcher3/icons/HandlerRunnable.java b/src/com/android/launcher3/icons/HandlerRunnable.java
deleted file mode 100644
index e7132cd..0000000
--- a/src/com/android/launcher3/icons/HandlerRunnable.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright (C) 2018 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.icons;
-
-import android.os.Handler;
-
-/**
- * A runnable that can be posted to a {@link Handler} which can be canceled.
- */
-public abstract class HandlerRunnable implements Runnable {
-
-    private final Handler mHandler;
-    private final Runnable mEndRunnable;
-
-    private boolean mEnded = false;
-    private boolean mCanceled = false;
-
-    public HandlerRunnable(Handler handler, Runnable endRunnable) {
-        mHandler = handler;
-        mEndRunnable = endRunnable;
-    }
-
-    /**
-     * Cancels this runnable from being run, only if it has not already run.
-     */
-    public void cancel() {
-        mHandler.removeCallbacks(this);
-        // TODO: This can actually cause onEnd to be called twice if the handler is already running
-        //       this runnable
-        // NOTE: This is currently run on whichever thread the caller is run on.
-        mCanceled = true;
-        onEnd();
-    }
-
-    /**
-     * @return whether this runnable was canceled.
-     */
-    protected boolean isCanceled() {
-        return mCanceled;
-    }
-
-    /**
-     * To be called by the implemention of this runnable. The end callback is done on whichever
-     * thread the caller is calling from.
-     */
-    public void onEnd() {
-        if (!mEnded) {
-            mEnded = true;
-            if (mEndRunnable != null) {
-                mEndRunnable.run();
-            }
-        }
-    }
-}
diff --git a/src/com/android/launcher3/icons/IconCache.java b/src/com/android/launcher3/icons/IconCache.java
index 7b31804..6bb9dab 100644
--- a/src/com/android/launcher3/icons/IconCache.java
+++ b/src/com/android/launcher3/icons/IconCache.java
@@ -30,6 +30,7 @@
 import android.util.Log;
 
 import com.android.launcher3.AppInfo;
+import com.android.launcher3.IconProvider;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.ItemInfoWithIcon;
 import com.android.launcher3.LauncherFiles;
@@ -40,6 +41,9 @@
 import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.icons.ComponentWithLabel.ComponentCachingLogic;
+import com.android.launcher3.icons.cache.BaseIconCache;
+import com.android.launcher3.icons.cache.CachingLogic;
+import com.android.launcher3.icons.cache.HandlerRunnable;
 import com.android.launcher3.model.PackageItemInfo;
 import com.android.launcher3.util.InstantAppResolver;
 import com.android.launcher3.util.Preconditions;
@@ -62,6 +66,7 @@
     private final LauncherAppsCompat mLauncherApps;
     private final UserManagerCompat mUserManager;
     private final InstantAppResolver mInstantAppResolver;
+    private final IconProvider mIconProvider;
 
     private int mPendingIconRequestCount = 0;
 
@@ -73,6 +78,7 @@
         mLauncherApps = LauncherAppsCompat.getInstance(mContext);
         mUserManager = UserManagerCompat.getInstance(mContext);
         mInstantAppResolver = InstantAppResolver.newInstance(mContext);
+        mIconProvider = IconProvider.newInstance(context);
     }
 
     @Override
@@ -85,6 +91,11 @@
         return mInstantAppResolver.isInstantApp(info);
     }
 
+    @Override
+    protected BaseIconFactory getIconFactory() {
+        return LauncherIcons.obtain(mContext);
+    }
+
     /**
      * Updates the entries related to the given package in memory and persistent DB.
      */
@@ -223,6 +234,11 @@
         return mIconProvider.getIcon(info, mIconDpi, flattenDrawable);
     }
 
+    @Override
+    protected String getIconSystemState(String packageName) {
+        return mIconProvider.getSystemStateForPackage(mSystemState, packageName);
+    }
+
     public static abstract class IconLoadRequest extends HandlerRunnable {
         IconLoadRequest(Handler handler, Runnable endRunnable) {
             super(handler, endRunnable);
diff --git a/src/com/android/launcher3/icons/IconCacheUpdateHandler.java b/src/com/android/launcher3/icons/IconCacheUpdateHandler.java
deleted file mode 100644
index 0c601b9..0000000
--- a/src/com/android/launcher3/icons/IconCacheUpdateHandler.java
+++ /dev/null
@@ -1,301 +0,0 @@
-/*
- * Copyright (C) 2018 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.icons;
-
-import android.content.ComponentName;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteException;
-import android.os.SystemClock;
-import android.os.UserHandle;
-import android.text.TextUtils;
-import android.util.Log;
-import android.util.SparseBooleanArray;
-
-import com.android.launcher3.icons.BaseIconCache.IconDB;
-
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map.Entry;
-import java.util.Set;
-import java.util.Stack;
-
-/**
- * Utility class to handle updating the Icon cache
- */
-public class IconCacheUpdateHandler {
-
-    private static final String TAG = "IconCacheUpdateHandler";
-
-    /**
-     * In this mode, all invalid icons are marked as to-be-deleted in {@link #mItemsToDelete}.
-     * This mode is used for the first run.
-     */
-    private static final boolean MODE_SET_INVALID_ITEMS = true;
-
-    /**
-     * In this mode, any valid icon is removed from {@link #mItemsToDelete}. This is used for all
-     * subsequent runs, which essentially acts as set-union of all valid items.
-     */
-    private static final boolean MODE_CLEAR_VALID_ITEMS = false;
-
-    private static final Object ICON_UPDATE_TOKEN = new Object();
-
-    private final HashMap<String, PackageInfo> mPkgInfoMap;
-    private final BaseIconCache mIconCache;
-
-    private final HashMap<UserHandle, Set<String>> mPackagesToIgnore = new HashMap<>();
-
-    private final SparseBooleanArray mItemsToDelete = new SparseBooleanArray();
-    private boolean mFilterMode = MODE_SET_INVALID_ITEMS;
-
-    IconCacheUpdateHandler(BaseIconCache cache) {
-        mIconCache = cache;
-
-        mPkgInfoMap = new HashMap<>();
-
-        // Remove all active icon update tasks.
-        mIconCache.mWorkerHandler.removeCallbacksAndMessages(ICON_UPDATE_TOKEN);
-
-        createPackageInfoMap();
-    }
-
-    public void setPackagesToIgnore(UserHandle userHandle, Set<String> packages) {
-        mPackagesToIgnore.put(userHandle, packages);
-    }
-
-    private void createPackageInfoMap() {
-        PackageManager pm = mIconCache.mPackageManager;
-        for (PackageInfo info : pm.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES)) {
-            mPkgInfoMap.put(info.packageName, info);
-        }
-    }
-
-    /**
-     * Updates the persistent DB, such that only entries corresponding to {@param apps} remain in
-     * the DB and are updated.
-     * @return The set of packages for which icons have updated.
-     */
-    public <T> void updateIcons(List<T> apps, CachingLogic<T> cachingLogic,
-            OnUpdateCallback onUpdateCallback) {
-        // Filter the list per user
-        HashMap<UserHandle, HashMap<ComponentName, T>> userComponentMap = new HashMap<>();
-        int count = apps.size();
-        for (int i = 0; i < count; i++) {
-            T app = apps.get(i);
-            UserHandle userHandle = cachingLogic.getUser(app);
-            HashMap<ComponentName, T> componentMap = userComponentMap.get(userHandle);
-            if (componentMap == null) {
-                componentMap = new HashMap<>();
-                userComponentMap.put(userHandle, componentMap);
-            }
-            componentMap.put(cachingLogic.getComponent(app), app);
-        }
-
-        for (Entry<UserHandle, HashMap<ComponentName, T>> entry : userComponentMap.entrySet()) {
-            updateIconsPerUser(entry.getKey(), entry.getValue(), cachingLogic, onUpdateCallback);
-        }
-
-        // From now on, clear every valid item from the global valid map.
-        mFilterMode = MODE_CLEAR_VALID_ITEMS;
-    }
-
-    /**
-     * Updates the persistent DB, such that only entries corresponding to {@param apps} remain in
-     * the DB and are updated.
-     * @return The set of packages for which icons have updated.
-     */
-    private <T> void updateIconsPerUser(UserHandle user, HashMap<ComponentName, T> componentMap,
-            CachingLogic<T> cachingLogic, OnUpdateCallback onUpdateCallback) {
-        Set<String> ignorePackages = mPackagesToIgnore.get(user);
-        if (ignorePackages == null) {
-            ignorePackages = Collections.emptySet();
-        }
-        long userSerial = mIconCache.getSerialNumberForUser(user);
-
-        Stack<T> appsToUpdate = new Stack<>();
-
-        try (Cursor c = mIconCache.mIconDb.query(
-                new String[]{IconDB.COLUMN_ROWID, IconDB.COLUMN_COMPONENT,
-                        IconDB.COLUMN_LAST_UPDATED, IconDB.COLUMN_VERSION,
-                        IconDB.COLUMN_SYSTEM_STATE},
-                IconDB.COLUMN_USER + " = ? ",
-                new String[]{Long.toString(userSerial)})) {
-
-            final int indexComponent = c.getColumnIndex(IconDB.COLUMN_COMPONENT);
-            final int indexLastUpdate = c.getColumnIndex(IconDB.COLUMN_LAST_UPDATED);
-            final int indexVersion = c.getColumnIndex(IconDB.COLUMN_VERSION);
-            final int rowIndex = c.getColumnIndex(IconDB.COLUMN_ROWID);
-            final int systemStateIndex = c.getColumnIndex(IconDB.COLUMN_SYSTEM_STATE);
-
-            while (c.moveToNext()) {
-                String cn = c.getString(indexComponent);
-                ComponentName component = ComponentName.unflattenFromString(cn);
-                PackageInfo info = mPkgInfoMap.get(component.getPackageName());
-
-                int rowId = c.getInt(rowIndex);
-                if (info == null) {
-                    if (!ignorePackages.contains(component.getPackageName())) {
-
-                        if (mFilterMode == MODE_SET_INVALID_ITEMS) {
-                            mIconCache.remove(component, user);
-                            mItemsToDelete.put(rowId, true);
-                        }
-                    }
-                    continue;
-                }
-                if ((info.applicationInfo.flags & ApplicationInfo.FLAG_IS_DATA_ONLY) != 0) {
-                    // Application is not present
-                    continue;
-                }
-
-                long updateTime = c.getLong(indexLastUpdate);
-                int version = c.getInt(indexVersion);
-                T app = componentMap.remove(component);
-                if (version == info.versionCode && updateTime == info.lastUpdateTime &&
-                        TextUtils.equals(c.getString(systemStateIndex),
-                                mIconCache.mIconProvider.getIconSystemState(info.packageName))) {
-
-                    if (mFilterMode == MODE_CLEAR_VALID_ITEMS) {
-                        mItemsToDelete.put(rowId, false);
-                    }
-                    continue;
-                }
-                if (app == null) {
-                    if (mFilterMode == MODE_SET_INVALID_ITEMS) {
-                        mIconCache.remove(component, user);
-                        mItemsToDelete.put(rowId, true);
-                    }
-                } else {
-                    appsToUpdate.add(app);
-                }
-            }
-        } catch (SQLiteException e) {
-            Log.d(TAG, "Error reading icon cache", e);
-            // Continue updating whatever we have read so far
-        }
-
-        // Insert remaining apps.
-        if (!componentMap.isEmpty() || !appsToUpdate.isEmpty()) {
-            Stack<T> appsToAdd = new Stack<>();
-            appsToAdd.addAll(componentMap.values());
-            new SerializedIconUpdateTask(userSerial, user, appsToAdd, appsToUpdate, cachingLogic,
-                    onUpdateCallback).scheduleNext();
-        }
-    }
-
-    /**
-     * Commits all updates as part of the update handler to disk. Not more calls should be made
-     * to this class after this.
-     */
-    public void finish() {
-        // Commit all deletes
-        int deleteCount = 0;
-        StringBuilder queryBuilder = new StringBuilder()
-                .append(IconDB.COLUMN_ROWID)
-                .append(" IN (");
-
-        int count = mItemsToDelete.size();
-        for (int i = 0;  i < count; i++) {
-            if (mItemsToDelete.valueAt(i)) {
-                if (deleteCount > 0) {
-                    queryBuilder.append(", ");
-                }
-                queryBuilder.append(mItemsToDelete.keyAt(i));
-                deleteCount++;
-            }
-        }
-        queryBuilder.append(')');
-
-        if (deleteCount > 0) {
-            mIconCache.mIconDb.delete(queryBuilder.toString(), null);
-        }
-    }
-
-
-    /**
-     * A runnable that updates invalid icons and adds missing icons in the DB for the provided
-     * LauncherActivityInfo list. Items are updated/added one at a time, so that the
-     * worker thread doesn't get blocked.
-     */
-    private class SerializedIconUpdateTask<T> implements Runnable {
-        private final long mUserSerial;
-        private final UserHandle mUserHandle;
-        private final Stack<T> mAppsToAdd;
-        private final Stack<T> mAppsToUpdate;
-        private final CachingLogic<T> mCachingLogic;
-        private final HashSet<String> mUpdatedPackages = new HashSet<>();
-        private final OnUpdateCallback mOnUpdateCallback;
-
-        SerializedIconUpdateTask(long userSerial, UserHandle userHandle,
-                Stack<T> appsToAdd, Stack<T> appsToUpdate, CachingLogic<T> cachingLogic,
-                OnUpdateCallback onUpdateCallback) {
-            mUserHandle = userHandle;
-            mUserSerial = userSerial;
-            mAppsToAdd = appsToAdd;
-            mAppsToUpdate = appsToUpdate;
-            mCachingLogic = cachingLogic;
-            mOnUpdateCallback = onUpdateCallback;
-        }
-
-        @Override
-        public void run() {
-            if (!mAppsToUpdate.isEmpty()) {
-                T app = mAppsToUpdate.pop();
-                String pkg = mCachingLogic.getComponent(app).getPackageName();
-                PackageInfo info = mPkgInfoMap.get(pkg);
-                mIconCache.addIconToDBAndMemCache(
-                        app, mCachingLogic, info, mUserSerial, true /*replace existing*/);
-                mUpdatedPackages.add(pkg);
-
-                if (mAppsToUpdate.isEmpty() && !mUpdatedPackages.isEmpty()) {
-                    // No more app to update. Notify callback.
-                    mOnUpdateCallback.onPackageIconsUpdated(mUpdatedPackages, mUserHandle);
-                }
-
-                // Let it run one more time.
-                scheduleNext();
-            } else if (!mAppsToAdd.isEmpty()) {
-                T app = mAppsToAdd.pop();
-                PackageInfo info = mPkgInfoMap.get(mCachingLogic.getComponent(app).getPackageName());
-                // We do not check the mPkgInfoMap when generating the mAppsToAdd. Although every
-                // app should have package info, this is not guaranteed by the api
-                if (info != null) {
-                    mIconCache.addIconToDBAndMemCache(app, mCachingLogic, info,
-                            mUserSerial, false /*replace existing*/);
-                }
-
-                if (!mAppsToAdd.isEmpty()) {
-                    scheduleNext();
-                }
-            }
-        }
-
-        public void scheduleNext() {
-            mIconCache.mWorkerHandler.postAtTime(this, ICON_UPDATE_TOKEN,
-                    SystemClock.uptimeMillis() + 1);
-        }
-    }
-
-    public interface OnUpdateCallback {
-
-        void onPackageIconsUpdated(HashSet<String> updatedPackages, UserHandle user);
-    }
-}
diff --git a/src/com/android/launcher3/icons/LauncherActivtiyCachingLogic.java b/src/com/android/launcher3/icons/LauncherActivtiyCachingLogic.java
index 8c85b1c..7c99633 100644
--- a/src/com/android/launcher3/icons/LauncherActivtiyCachingLogic.java
+++ b/src/com/android/launcher3/icons/LauncherActivtiyCachingLogic.java
@@ -20,6 +20,8 @@
 import android.content.pm.LauncherActivityInfo;
 import android.os.UserHandle;
 
+import com.android.launcher3.icons.cache.CachingLogic;
+
 public class LauncherActivtiyCachingLogic implements CachingLogic<LauncherActivityInfo> {
 
     private final IconCache mCache;
diff --git a/src/com/android/launcher3/icons/LauncherIcons.java b/src/com/android/launcher3/icons/LauncherIcons.java
index 0cf1a72..153c565 100644
--- a/src/com/android/launcher3/icons/LauncherIcons.java
+++ b/src/com/android/launcher3/icons/LauncherIcons.java
@@ -21,16 +21,13 @@
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.drawable.Drawable;
-import android.os.Build;
 import android.os.Process;
-import android.os.UserHandle;
 
 import com.android.launcher3.AppInfo;
 import com.android.launcher3.FastBitmapDrawable;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.ItemInfoWithIcon;
 import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.model.PackageItemInfo;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutInfoCompat;
@@ -112,29 +109,6 @@
         recycle();
     }
 
-    public BitmapInfo createBadgedIconBitmap(Drawable icon, UserHandle user,
-            int iconAppTargetSdk) {
-        return createBadgedIconBitmap(icon, user, iconAppTargetSdk, false);
-    }
-
-    public BitmapInfo createBadgedIconBitmap(Drawable icon, UserHandle user,
-            int iconAppTargetSdk, boolean isInstantApp) {
-        return createBadgedIconBitmap(icon, user, iconAppTargetSdk, isInstantApp, null);
-    }
-
-    public BitmapInfo createBadgedIconBitmap(Drawable icon, UserHandle user,
-            int iconAppTargetSdk, boolean isInstantApp, float[] scale) {
-        boolean shrinkNonAdaptiveIcons = Utilities.ATLEAST_P ||
-                (Utilities.ATLEAST_OREO && iconAppTargetSdk >= Build.VERSION_CODES.O);
-        return createBadgedIconBitmap(icon, user, shrinkNonAdaptiveIcons, isInstantApp, scale);
-    }
-
-    public Bitmap createScaledBitmapWithoutShadow(Drawable icon, int iconAppTargetSdk) {
-        boolean shrinkNonAdaptiveIcons = Utilities.ATLEAST_P ||
-                (Utilities.ATLEAST_OREO && iconAppTargetSdk >= Build.VERSION_CODES.O);
-        return  createScaledBitmapWithoutShadow(icon, shrinkNonAdaptiveIcons);
-    }
-
     // below methods should also migrate to BaseIconFactory
 
     public BitmapInfo createShortcutIcon(ShortcutInfoCompat shortcutInfo) {
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 8551e6f..2ecebb7 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -45,7 +45,7 @@
 import com.android.launcher3.FolderInfo;
 import com.android.launcher3.icons.ComponentWithLabel;
 import com.android.launcher3.icons.ComponentWithLabel.ComponentCachingLogic;
-import com.android.launcher3.icons.IconCacheUpdateHandler;
+import com.android.launcher3.icons.cache.IconCacheUpdateHandler;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.InstallShortcutReceiver;
 import com.android.launcher3.ItemInfo;