diff --git a/iconloaderlib/build.gradle b/iconloaderlib/build.gradle
index d08029386a..a6433ad1a6 100644
--- a/iconloaderlib/build.gradle
+++ b/iconloaderlib/build.gradle
@@ -37,6 +37,11 @@ android {
     tasks.withType(JavaCompile) {
         options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 
diff --git a/src/com/android/launcher3/graphics/BitmapRenderer.java b/iconloaderlib/src/com/android/launcher3/icons/BitmapRenderer.java
similarity index 92%
rename from src/com/android/launcher3/graphics/BitmapRenderer.java
rename to iconloaderlib/src/com/android/launcher3/icons/BitmapRenderer.java
index 2a7f20ea33..a66b929efb 100644
--- a/src/com/android/launcher3/graphics/BitmapRenderer.java
+++ b/iconloaderlib/src/com/android/launcher3/icons/BitmapRenderer.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.android.launcher3.graphics;
+package com.android.launcher3.icons;
 
 import android.annotation.TargetApi;
 import android.graphics.Bitmap;
@@ -21,14 +21,12 @@ import android.graphics.Canvas;
 import android.graphics.Picture;
 import android.os.Build;
 
-import com.android.launcher3.Utilities;
-
 /**
  * Interface representing a bitmap draw operation.
  */
 public interface BitmapRenderer {
 
-    boolean USE_HARDWARE_BITMAP = Utilities.ATLEAST_P;
+    boolean USE_HARDWARE_BITMAP = Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
 
     static Bitmap createSoftwareBitmap(int width, int height, BitmapRenderer renderer) {
         Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
diff --git a/src/com/android/launcher3/util/ComponentKey.java b/iconloaderlib/src/com/android/launcher3/util/ComponentKey.java
similarity index 93%
rename from src/com/android/launcher3/util/ComponentKey.java
rename to iconloaderlib/src/com/android/launcher3/util/ComponentKey.java
index d478ffa541..34bed94270 100644
--- a/src/com/android/launcher3/util/ComponentKey.java
+++ b/iconloaderlib/src/com/android/launcher3/util/ComponentKey.java
@@ -29,8 +29,9 @@ public class ComponentKey {
     private final int mHashCode;
 
     public ComponentKey(ComponentName componentName, UserHandle user) {
-        Preconditions.assertNotNull(componentName);
-        Preconditions.assertNotNull(user);
+        if (componentName == null || user == null) {
+            throw new NullPointerException();
+        }
         this.componentName = componentName;
         this.user = user;
         mHashCode = Arrays.hashCode(new Object[] {componentName, user});
diff --git a/src/com/android/launcher3/util/NoLocaleSQLiteHelper.java b/iconloaderlib/src/com/android/launcher3/util/NoLocaleSQLiteHelper.java
similarity index 94%
rename from src/com/android/launcher3/util/NoLocaleSQLiteHelper.java
rename to iconloaderlib/src/com/android/launcher3/util/NoLocaleSQLiteHelper.java
index 05a7d27434..fe864a2847 100644
--- a/src/com/android/launcher3/util/NoLocaleSQLiteHelper.java
+++ b/iconloaderlib/src/com/android/launcher3/util/NoLocaleSQLiteHelper.java
@@ -18,8 +18,6 @@ package com.android.launcher3.util;
 
 import static android.database.sqlite.SQLiteDatabase.NO_LOCALIZED_COLLATORS;
 
-import static com.android.launcher3.Utilities.ATLEAST_P;
-
 import android.content.Context;
 import android.content.ContextWrapper;
 import android.database.DatabaseErrorHandler;
@@ -27,6 +25,7 @@ import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteDatabase.CursorFactory;
 import android.database.sqlite.SQLiteDatabase.OpenParams;
 import android.database.sqlite.SQLiteOpenHelper;
+import android.os.Build;
 
 /**
  * Extension of {@link SQLiteOpenHelper} which avoids creating default locale table by
@@ -34,6 +33,9 @@ import android.database.sqlite.SQLiteOpenHelper;
  */
 public abstract class NoLocaleSQLiteHelper extends SQLiteOpenHelper {
 
+    private static final boolean ATLEAST_P =
+            Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
+
     public NoLocaleSQLiteHelper(Context context, String name, int version) {
         super(ATLEAST_P ? context : new NoLocalContext(context), name, null, version);
         if (ATLEAST_P) {
diff --git a/src/com/android/launcher3/util/Provider.java b/iconloaderlib/src/com/android/launcher3/util/Provider.java
similarity index 100%
rename from src/com/android/launcher3/util/Provider.java
rename to iconloaderlib/src/com/android/launcher3/util/Provider.java
diff --git a/src/com/android/launcher3/util/SQLiteCacheHelper.java b/iconloaderlib/src/com/android/launcher3/util/SQLiteCacheHelper.java
similarity index 93%
rename from src/com/android/launcher3/util/SQLiteCacheHelper.java
rename to iconloaderlib/src/com/android/launcher3/util/SQLiteCacheHelper.java
index 3faf0709a9..49de4bd1bf 100644
--- a/src/com/android/launcher3/util/SQLiteCacheHelper.java
+++ b/iconloaderlib/src/com/android/launcher3/util/SQLiteCacheHelper.java
@@ -9,9 +9,6 @@ import android.database.sqlite.SQLiteFullException;
 import android.database.sqlite.SQLiteOpenHelper;
 import android.util.Log;
 
-import com.android.launcher3.Utilities;
-import com.android.launcher3.config.FeatureFlags;
-
 /**
  * An extension of {@link SQLiteOpenHelper} with utility methods for a single table cache DB.
  * Any exception during write operations are ignored, and any version change causes a DB reset.
@@ -19,8 +16,7 @@ import com.android.launcher3.config.FeatureFlags;
 public abstract class SQLiteCacheHelper {
     private static final String TAG = "SQLiteCacheHelper";
 
-    private static final boolean NO_ICON_CACHE = FeatureFlags.IS_DOGFOOD_BUILD &&
-            Utilities.isPropertyEnabled(LogConfig.MEMORY_ONLY_ICON_CACHE);
+    private static final boolean IN_MEMORY_CACHE = false;
 
     private final String mTableName;
     private final MySQLiteOpenHelper mOpenHelper;
@@ -28,7 +24,7 @@ public abstract class SQLiteCacheHelper {
     private boolean mIgnoreWrites;
 
     public SQLiteCacheHelper(Context context, String name, int version, String tableName) {
-        if (NO_ICON_CACHE) {
+        if (IN_MEMORY_CACHE) {
             name = null;
         }
         mTableName = tableName;
diff --git a/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java b/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java
index 9f0d678bf2..e40397bf31 100644
--- a/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java
+++ b/src/com/android/launcher3/dragndrop/FolderAdaptiveIcon.java
@@ -36,7 +36,7 @@ import com.android.launcher3.MainThreadExecutor;
 import com.android.launcher3.R;
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.folder.PreviewBackground;
-import com.android.launcher3.graphics.BitmapRenderer;
+import com.android.launcher3.icons.BitmapRenderer;
 import com.android.launcher3.util.Preconditions;
 
 /**
diff --git a/src/com/android/launcher3/graphics/DragPreviewProvider.java b/src/com/android/launcher3/graphics/DragPreviewProvider.java
index 5094280f6a..75d3425e2b 100644
--- a/src/com/android/launcher3/graphics/DragPreviewProvider.java
+++ b/src/com/android/launcher3/graphics/DragPreviewProvider.java
@@ -33,6 +33,7 @@ import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.folder.FolderIcon;
+import com.android.launcher3.icons.BitmapRenderer;
 import com.android.launcher3.util.UiThreadHelper;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
 
diff --git a/src/com/android/launcher3/graphics/ShadowDrawable.java b/src/com/android/launcher3/graphics/ShadowDrawable.java
index 19e2768ccb..f10b972590 100644
--- a/src/com/android/launcher3/graphics/ShadowDrawable.java
+++ b/src/com/android/launcher3/graphics/ShadowDrawable.java
@@ -32,6 +32,7 @@ import android.os.Build;
 import android.util.AttributeSet;
 
 import com.android.launcher3.R;
+import com.android.launcher3.icons.BitmapRenderer;
 
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
diff --git a/src/com/android/launcher3/icons/BaseIconCache.java b/src/com/android/launcher3/icons/BaseIconCache.java
index 9a2e287dbe..61c8ccc402 100644
--- a/src/com/android/launcher3/icons/BaseIconCache.java
+++ b/src/com/android/launcher3/icons/BaseIconCache.java
@@ -36,14 +36,13 @@ 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.LauncherModel;
-import com.android.launcher3.graphics.BitmapRenderer;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.util.Provider;
@@ -58,7 +57,6 @@ public abstract class BaseIconCache {
 
     private static final String TAG = "BaseIconCache";
     private static final boolean DEBUG = false;
-    private static final boolean DEBUG_IGNORE_CACHE = false;
 
     private static final int INITIAL_ICON_CACHE_CAPACITY = 50;
 
@@ -78,21 +76,24 @@ public abstract class BaseIconCache {
 
     private final HashMap<ComponentKey, CacheEntry> mCache =
             new HashMap<>(INITIAL_ICON_CACHE_CAPACITY);
-    final Handler mWorkerHandler;
+    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, int iconDpi, int iconPixelSize) {
+    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(LauncherModel.getWorkerLooper());
+        mWorkerHandler = new Handler(mBgLooper);
 
         if (BitmapRenderer.USE_HARDWARE_BITMAP && Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
             mDecodeOptions = new BitmapFactory.Options();
@@ -294,7 +295,7 @@ public abstract class BaseIconCache {
             T object = null;
             boolean providerFetchedOnce = false;
 
-            if (!getEntryFromDB(cacheKey, entry, useLowResIcon) || DEBUG_IGNORE_CACHE) {
+            if (!getEntryFromDB(cacheKey, entry, useLowResIcon)) {
                 object = infoProvider.get();
                 providerFetchedOnce = true;
 
diff --git a/src/com/android/launcher3/icons/IconCache.java b/src/com/android/launcher3/icons/IconCache.java
index 9c0a36374a..7b318048af 100644
--- a/src/com/android/launcher3/icons/IconCache.java
+++ b/src/com/android/launcher3/icons/IconCache.java
@@ -66,7 +66,8 @@ public class IconCache extends BaseIconCache {
     private int mPendingIconRequestCount = 0;
 
     public IconCache(Context context, InvariantDeviceProfile inv) {
-        super(context, LauncherFiles.APP_ICONS_DB, inv.fillResIconDpi, inv.iconBitmapSize);
+        super(context, LauncherFiles.APP_ICONS_DB, LauncherModel.getWorkerLooper(),
+                inv.fillResIconDpi, inv.iconBitmapSize);
         mComponentWithLabelCachingLogic = new ComponentCachingLogic(context);
         mLauncherActivityInfoCachingLogic = new LauncherActivtiyCachingLogic(this);
         mLauncherApps = LauncherAppsCompat.getInstance(mContext);
diff --git a/src/com/android/launcher3/icons/LauncherIcons.java b/src/com/android/launcher3/icons/LauncherIcons.java
index c96d35db56..0cf1a72585 100644
--- a/src/com/android/launcher3/icons/LauncherIcons.java
+++ b/src/com/android/launcher3/icons/LauncherIcons.java
@@ -31,7 +31,6 @@ import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.ItemInfoWithIcon;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.graphics.BitmapRenderer;
 import com.android.launcher3.model.PackageItemInfo;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutInfoCompat;