diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index c6fd906833..ccd9e2529e 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -36,6 +36,7 @@ import com.android.launcher3.model.AppLaunchTracker;
 import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.uioverrides.DisplayRotationListener;
 import com.android.launcher3.uioverrides.WallpaperColorInfo;
+import com.android.launcher3.util.Themes;
 
 import androidx.annotation.Nullable;
 
@@ -69,7 +70,7 @@ public abstract class BaseDraggingActivity extends BaseActivity
         // Update theme
         WallpaperColorInfo wallpaperColorInfo = WallpaperColorInfo.getInstance(this);
         wallpaperColorInfo.addOnChangeListener(this);
-        int themeRes = getThemeRes(wallpaperColorInfo);
+        int themeRes = Themes.getActivityThemeRes(this);
         if (themeRes != mThemeRes) {
             mThemeRes = themeRes;
             setTheme(themeRes);
@@ -88,31 +89,11 @@ public abstract class BaseDraggingActivity extends BaseActivity
     }
 
     private void updateTheme() {
-        WallpaperColorInfo wallpaperColorInfo = WallpaperColorInfo.getInstance(this);
-        if (mThemeRes != getThemeRes(wallpaperColorInfo)) {
+        if (mThemeRes != Themes.getActivityThemeRes(this)) {
             recreate();
         }
     }
 
-    protected int getThemeRes(WallpaperColorInfo wallpaperColorInfo) {
-        boolean darkTheme;
-        if (Utilities.ATLEAST_Q) {
-            Configuration configuration = getResources().getConfiguration();
-            int nightMode = configuration.uiMode & Configuration.UI_MODE_NIGHT_MASK;
-            darkTheme = nightMode == Configuration.UI_MODE_NIGHT_YES;
-        } else {
-            darkTheme = wallpaperColorInfo.isDark();
-        }
-
-        if (darkTheme) {
-            return wallpaperColorInfo.supportsDarkText() ?
-                    R.style.AppTheme_Dark_DarkText : R.style.AppTheme_Dark;
-        } else {
-            return wallpaperColorInfo.supportsDarkText() ?
-                    R.style.AppTheme_DarkText : R.style.AppTheme;
-        }
-    }
-
     @Override
     public void onActionModeStarted(ActionMode mode) {
         super.onActionModeStarted(mode);
diff --git a/src/com/android/launcher3/util/Themes.java b/src/com/android/launcher3/util/Themes.java
index a45f17d325..0c44012329 100644
--- a/src/com/android/launcher3/util/Themes.java
+++ b/src/com/android/launcher3/util/Themes.java
@@ -17,6 +17,7 @@
 package com.android.launcher3.util;
 
 import android.content.Context;
+import android.content.res.Configuration;
 import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.graphics.ColorMatrix;
@@ -26,12 +27,34 @@ import android.util.SparseArray;
 import android.util.TypedValue;
 
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.uioverrides.WallpaperColorInfo;
 
 /**
  * Various utility methods associated with theming.
  */
 public class Themes {
 
+    public static int getActivityThemeRes(Context context) {
+        WallpaperColorInfo wallpaperColorInfo = WallpaperColorInfo.getInstance(context);
+        boolean darkTheme;
+        if (Utilities.ATLEAST_Q) {
+            Configuration configuration = context.getResources().getConfiguration();
+            int nightMode = configuration.uiMode & Configuration.UI_MODE_NIGHT_MASK;
+            darkTheme = nightMode == Configuration.UI_MODE_NIGHT_YES;
+        } else {
+            darkTheme = wallpaperColorInfo.isDark();
+        }
+
+        if (darkTheme) {
+            return wallpaperColorInfo.supportsDarkText() ?
+                    R.style.AppTheme_Dark_DarkText : R.style.AppTheme_Dark;
+        } else {
+            return wallpaperColorInfo.supportsDarkText() ?
+                    R.style.AppTheme_DarkText : R.style.AppTheme;
+        }
+    }
+
     public static String getDefaultBodyFont(Context context) {
         TypedArray ta = context.obtainStyledAttributes(android.R.style.TextAppearance_DeviceDefault,
                 new int[]{android.R.attr.fontFamily});