diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 20ebc7a..c2c0936 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -78,6 +78,7 @@
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.ViewTreeObserver;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.animation.OvershootInterpolator;
 import android.widget.Toast;
@@ -125,6 +126,7 @@
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.touch.AllAppsSwipeController;
 import com.android.launcher3.touch.ItemClickHandler;
+import com.android.launcher3.uioverrides.BackgroundBlurController;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
@@ -328,6 +330,9 @@
     private boolean mDeferOverlayCallbacks;
     private final Runnable mDeferredOverlayCallbacks = this::checkIfOverlayStillDeferred;
 
+    private BackgroundBlurController mBackgroundBlurController =
+            new BackgroundBlurController(this);
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         Object traceToken = TraceHelper.INSTANCE.beginSection(ON_CREATE_EVT,
@@ -941,6 +946,7 @@
 
         NotificationListener.removeNotificationsChangedListener();
         getStateManager().moveToRestState();
+        getBackgroundBlurController().setSurfaceToLauncher(null);
 
         // Workaround for b/78520668, explicitly trim memory once UI is hidden
         onTrimMemory(TRIM_MEMORY_UI_HIDDEN);
@@ -968,6 +974,13 @@
         if (!mDeferOverlayCallbacks) {
             mOverlayManager.onActivityStarted(this);
         }
+        mDragLayer.getViewTreeObserver().addOnDrawListener(new ViewTreeObserver.OnDrawListener() {
+            @Override
+            public void onDraw() {
+                getBackgroundBlurController().setSurfaceToLauncher(mDragLayer);
+                mDragLayer.post(() -> mDragLayer.getViewTreeObserver().removeOnDrawListener(this));
+            }
+        });
 
         mAppWidgetHost.setListenIfResumed(true);
         TraceHelper.INSTANCE.endSection(traceToken);
@@ -2710,7 +2723,8 @@
     }
 
     protected StateHandler[] createStateHandlers() {
-        return new StateHandler[] { getAllAppsController(), getWorkspace() };
+        return new StateHandler[] { getAllAppsController(), getWorkspace(),
+                getBackgroundBlurController() };
     }
 
     public TouchController[] createTouchControllers() {
@@ -2739,8 +2753,12 @@
         return Stream.of(APP_INFO, WIDGETS, INSTALL);
     }
 
+    public BackgroundBlurController getBackgroundBlurController() {
+        return mBackgroundBlurController;
+    }
+
     public static Launcher getLauncher(Context context) {
-        return (Launcher) fromContext(context);
+        return fromContext(context);
     }
 
     /**
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index 36440c9..62b8927 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -41,6 +41,7 @@
 import static com.android.launcher3.testing.TestProtocol.QUICK_SWITCH_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.SPRING_LOADED_STATE_ORDINAL;
 
+import android.content.Context;
 import android.view.View;
 import android.view.animation.Interpolator;
 
@@ -269,6 +270,14 @@
         return 0;
     }
 
+    /**
+     * The amount of blur to apply to the background of either the app or Launcher surface in this
+     * state.
+     */
+    public int getBackgroundBlurRadius(Context context) {
+        return 0;
+    }
+
     public String getDescription(Launcher launcher) {
         return launcher.getWorkspace().getCurrentPageDescription();
     }
diff --git a/src/com/android/launcher3/folder/FolderAnimationManager.java b/src/com/android/launcher3/folder/FolderAnimationManager.java
index 1310d37..f72e674 100644
--- a/src/com/android/launcher3/folder/FolderAnimationManager.java
+++ b/src/com/android/launcher3/folder/FolderAnimationManager.java
@@ -21,6 +21,7 @@
 import static com.android.launcher3.folder.ClippedFolderIconLayoutRule.MAX_NUM_ITEMS_IN_PREVIEW;
 import static com.android.launcher3.graphics.IconShape.getShape;
 import static com.android.launcher3.icons.GraphicsUtils.setColorAlphaBound;
+import static com.android.launcher3.uioverrides.BackgroundBlurController.BACKGROUND_BLUR;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -46,6 +47,7 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.PropertyResetListener;
 import com.android.launcher3.dragndrop.DragLayer;
+import com.android.launcher3.uioverrides.BackgroundBlurController;
 import com.android.launcher3.util.Themes;
 
 import java.util.List;
@@ -220,6 +222,13 @@
         Animator z = getAnimator(mFolder, View.TRANSLATION_Z, -mFolder.getElevation(), 0);
         play(a, z, mIsOpening ? midDuration : 0, midDuration);
 
+        BackgroundBlurController blurController = mLauncher.getBackgroundBlurController();
+        int stateBackgroundBlur = mLauncher.getStateManager().getState()
+                .getBackgroundBlurRadius(mLauncher);
+        int folderBackgroundBlurAdjustment = blurController.getFolderBackgroundBlurAdjustment();
+        play(a, ObjectAnimator.ofInt(blurController, BACKGROUND_BLUR, mIsOpening
+                ? stateBackgroundBlur + folderBackgroundBlurAdjustment
+                : stateBackgroundBlur));
 
         // Store clip variables
         CellLayout cellLayout = mContent.getCurrentCellLayout();