diff --git a/src/com/android/launcher3/IconCache.java b/src/com/android/launcher3/IconCache.java
index 736dfeb..1217030 100644
--- a/src/com/android/launcher3/IconCache.java
+++ b/src/com/android/launcher3/IconCache.java
@@ -37,6 +37,7 @@
 import android.graphics.Paint;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
+import android.os.Build;
 import android.os.Handler;
 import android.os.Process;
 import android.os.SystemClock;
@@ -194,7 +195,7 @@
 
     protected Bitmap makeDefaultIcon(UserHandle user) {
         Drawable unbadged = getFullResDefaultActivityIcon();
-        return LauncherIcons.createBadgedIconBitmap(unbadged, user, mContext);
+        return LauncherIcons.createBadgedIconBitmap(unbadged, user, mContext, Build.VERSION_CODES.O);
     }
 
     /**
@@ -380,7 +381,7 @@
         if (entry == null) {
             entry = new CacheEntry();
             entry.icon = LauncherIcons.createBadgedIconBitmap(getFullResIcon(app), app.getUser(),
-                    mContext);
+                    mContext,  app.getApplicationInfo().targetSdkVersion);
         }
         entry.title = app.getLabel();
         entry.contentDescription = mUserManager.getBadgedLabelForUser(entry.title, app.getUser());
@@ -437,10 +438,9 @@
      * Updates {@param application} only if a valid entry is found.
      */
     public synchronized void updateTitleAndIcon(AppInfo application) {
-        boolean usePackageIcon = application instanceof PromiseAppInfo;
         CacheEntry entry = cacheLocked(application.componentName,
                 Provider.<LauncherActivityInfo>of(null),
-                application.user, usePackageIcon, application.usingLowResIcon);
+                application.user, false, application.usingLowResIcon);
         if (entry.icon != null && !isDefaultIcon(entry.icon, application.user)) {
             applyCacheEntry(entry, application);
         }
@@ -538,7 +538,8 @@
 
                 if (info != null) {
                     entry.icon = LauncherIcons.createBadgedIconBitmap(
-                            getFullResIcon(info), info.getUser(), mContext);
+                            getFullResIcon(info), info.getUser(), mContext,
+                            infoProvider.get().getApplicationInfo().targetSdkVersion);
                 } else {
                     if (usePackageIcon) {
                         CacheEntry packageEntry = getEntryForPackageLocked(
@@ -635,7 +636,7 @@
                     // 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
                     Bitmap icon = LauncherIcons.createBadgedIconBitmap(
-                            appInfo.loadIcon(mPackageManager), user, mContext);
+                            appInfo.loadIcon(mPackageManager), user, mContext, appInfo.targetSdkVersion);
                     Bitmap lowResIcon =  generateLowResIcon(icon, mPackageBgColor);
                     entry.title = appInfo.loadLabel(mPackageManager);
                     entry.contentDescription = mUserManager.getBadgedLabelForUser(entry.title, user);
@@ -768,7 +769,7 @@
     }
 
     private static final class IconDB extends SQLiteCacheHelper {
-        private final static int DB_VERSION = 11;
+        private final static int DB_VERSION = 13;
 
         private final static int RELEASE_VERSION = DB_VERSION +
                 (FeatureFlags.LAUNCHER3_DISABLE_ICON_NORMALIZATION ? 0 : 1);
diff --git a/src/com/android/launcher3/WidgetPreviewLoader.java b/src/com/android/launcher3/WidgetPreviewLoader.java
index 4ae3649..c525cd4 100644
--- a/src/com/android/launcher3/WidgetPreviewLoader.java
+++ b/src/com/android/launcher3/WidgetPreviewLoader.java
@@ -22,6 +22,7 @@
 import android.graphics.RectF;
 import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
+import android.os.Build;
 import android.os.CancellationSignal;
 import android.os.Handler;
 import android.os.UserHandle;
@@ -435,20 +436,19 @@
         float shadowBlur = res.getDimension(R.dimen.widget_preview_shadow_blur);
         float keyShadowDistance = res.getDimension(R.dimen.widget_preview_key_shadow_distance);
         float corner = res.getDimension(R.dimen.widget_preview_corner_radius);
-        int shadowColor = ColorUtils.setAlphaComponent(
-                res.getColor(R.color.default_shadow_color_no_alpha),
-                ShadowGenerator.AMBIENT_SHADOW_ALPHA);
 
         RectF bounds = new RectF(shadowBlur, shadowBlur,
                 width - shadowBlur, height - shadowBlur - keyShadowDistance);
         p.setColor(Color.WHITE);
 
         // Key shadow
-        p.setShadowLayer(shadowBlur, 0, keyShadowDistance, shadowColor);
+        p.setShadowLayer(shadowBlur, 0, keyShadowDistance,
+                ShadowGenerator.KEY_SHADOW_ALPHA << 24);
         c.drawRoundRect(bounds, corner, corner, p);
 
         // Ambient shadow
-        p.setShadowLayer(shadowBlur, 0, 0, shadowColor);
+        p.setShadowLayer(shadowBlur, 0, 0,
+                ColorUtils.setAlphaComponent(Color.BLACK, ShadowGenerator.AMBIENT_SHADOW_ALPHA));
         c.drawRoundRect(bounds, corner, corner, p);
 
         p.clearShadowLayer();
@@ -482,7 +482,7 @@
         RectF boxRect = drawBoxWithShadow(c, p, size, size);
 
         Bitmap icon = LauncherIcons.createScaledBitmapWithoutShadow(
-                mutateOnMainThread(info.getFullResIcon(mIconCache)), mContext);
+                mutateOnMainThread(info.getFullResIcon(mIconCache)), mContext, Build.VERSION_CODES.O);
         Rect src = new Rect(0, 0, icon.getWidth(), icon.getHeight());
 
         boxRect.set(0, 0, iconSize, iconSize);
diff --git a/src/com/android/launcher3/graphics/LauncherIcons.java b/src/com/android/launcher3/graphics/LauncherIcons.java
index f652a5c..e671a82 100644
--- a/src/com/android/launcher3/graphics/LauncherIcons.java
+++ b/src/com/android/launcher3/graphics/LauncherIcons.java
@@ -32,6 +32,7 @@
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.PaintDrawable;
+import android.os.Build;
 import android.os.Process;
 import android.os.UserHandle;
 
@@ -94,13 +95,13 @@
      * The bitmap is also visually normalized with other icons.
      */
     public static Bitmap createBadgedIconBitmap(
-            Drawable icon, UserHandle user, Context context) {
+            Drawable icon, UserHandle user, Context context, int iconAppTargetSdk) {
 
         IconNormalizer normalizer;
         float scale = 1f;
         if (!FeatureFlags.LAUNCHER3_DISABLE_ICON_NORMALIZATION) {
             normalizer = IconNormalizer.getInstance(context);
-            if (Utilities.isAtLeastO()) {
+            if (Utilities.isAtLeastO() && iconAppTargetSdk >= Build.VERSION_CODES.O) {
                 boolean[] outShape = new boolean[1];
                 AdaptiveIconDrawable dr = (AdaptiveIconDrawable)
                         context.getDrawable(R.drawable.adaptive_icon_drawable_wrapper).mutate();
@@ -148,13 +149,13 @@
      * Creates a normalized bitmap suitable for the all apps view. The bitmap is also visually
      * normalized with other icons and has enough spacing to add shadow.
      */
-    public static Bitmap createScaledBitmapWithoutShadow(Drawable icon, Context context) {
+    public static Bitmap createScaledBitmapWithoutShadow(Drawable icon, Context context, int iconAppTargetSdk) {
         RectF iconBounds = new RectF();
         IconNormalizer normalizer;
         float scale = 1f;
         if (!FeatureFlags.LAUNCHER3_DISABLE_ICON_NORMALIZATION) {
             normalizer = IconNormalizer.getInstance(context);
-            if (Utilities.isAtLeastO()) {
+            if (Utilities.isAtLeastO() && iconAppTargetSdk >= Build.VERSION_CODES.O) {
                 boolean[] outShape = new boolean[1];
                 AdaptiveIconDrawable dr = (AdaptiveIconDrawable)
                         context.getDrawable(R.drawable.adaptive_icon_drawable_wrapper).mutate();
@@ -179,7 +180,7 @@
 
     /**
      * Adds a shadow to the provided icon. It assumes that the icon has already been scaled using
-     * {@link #createScaledBitmapWithoutShadow(Drawable, Context)}
+     * {@link #createScaledBitmapWithoutShadow(Drawable, Context, int)}
      */
     public static Bitmap addShadowToIcon(Bitmap icon, Context context) {
         return ShadowGenerator.getInstance(context).recreateIcon(icon);
@@ -318,7 +319,8 @@
         IconCache cache = app.getIconCache();
         Bitmap unbadgedBitmap = unbadgedDrawable == null
                 ? cache.getDefaultIcon(Process.myUserHandle())
-                : LauncherIcons.createScaledBitmapWithoutShadow(unbadgedDrawable, context);
+                : LauncherIcons.createScaledBitmapWithoutShadow(unbadgedDrawable, context,
+                Build.VERSION_CODES.O);
 
         if (!badged) {
             return unbadgedBitmap;
diff --git a/src/com/android/launcher3/widget/PendingItemDragHelper.java b/src/com/android/launcher3/widget/PendingItemDragHelper.java
index b411879..6628971 100644
--- a/src/com/android/launcher3/widget/PendingItemDragHelper.java
+++ b/src/com/android/launcher3/widget/PendingItemDragHelper.java
@@ -22,6 +22,7 @@
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
+import android.os.Build;
 import android.view.View;
 import android.widget.RemoteViews;
 
@@ -115,7 +116,7 @@
         } else {
             PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) mAddInfo;
             Drawable icon = createShortcutInfo.activityInfo.getFullResIcon(app.getIconCache());
-            preview = LauncherIcons.createScaledBitmapWithoutShadow(icon, launcher);
+            preview = LauncherIcons.createScaledBitmapWithoutShadow(icon, launcher, Build.VERSION_CODES.O);
             mAddInfo.spanX = mAddInfo.spanY = 1;
             scale = ((float) launcher.getDeviceProfile().iconSizePx) / preview.getWidth();