diff --git a/quickstep/res/values/strings.xml b/quickstep/res/values/strings.xml
index 2b5975d..3d174d3 100644
--- a/quickstep/res/values/strings.xml
+++ b/quickstep/res/values/strings.xml
@@ -278,6 +278,10 @@
     <string name="taskbar_button_quick_settings">Quick Settings</string>
     <!-- Accessibility title for the Taskbar window. [CHAR_LIMIT=NONE] -->
     <string name="taskbar_a11y_title">Taskbar</string>
+    <!-- Accessibility title for the Taskbar window appeared. [CHAR_LIMIT=NONE] -->
+    <string name="taskbar_a11y_shown_title">Taskbar shown</string>
+    <!-- Accessibility title for the Taskbar window being close. [CHAR_LIMIT=NONE] -->
+    <string name="taskbar_a11y_hidden_title">Taskbar hidden</string>
     <!-- Accessibility title for the Taskbar window on phones. [CHAR_LIMIT=NONE] -->
     <string name="taskbar_phone_a11y_title">Navigation bar</string>
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index babafd5..150d3db 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -600,6 +600,7 @@
                 if (!mIsStashed) {
                     tryStartTaskbarTimeout();
                 }
+                mControllers.taskbarViewController.announceForAccessibility();
             }
         });
     }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
index 3d5089f..dee867e 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
@@ -16,15 +16,18 @@
 package com.android.launcher3.taskbar;
 
 import static android.content.pm.PackageManager.FEATURE_PC;
+import static android.view.accessibility.AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED;
 
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.graphics.Rect;
+import android.os.Bundle;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.FrameLayout;
 
 import androidx.annotation.LayoutRes;
@@ -153,7 +156,26 @@
 
         // TODO: Disable touch events on QSB otherwise it can crash.
         mQsb = LayoutInflater.from(context).inflate(R.layout.search_container_hotseat, this, false);
+    }
 
+    @Override
+    public boolean performAccessibilityActionInternal(int action, Bundle arguments) {
+        if (action == AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS) {
+            announceForAccessibility(mContext.getString(R.string.taskbar_a11y_shown_title));
+        } else if (action == AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS) {
+            announceForAccessibility(mContext.getString(R.string.taskbar_a11y_hidden_title));
+        }
+        return super.performAccessibilityActionInternal(action, arguments);
+
+    }
+
+    protected void announceAccessibilityChanges() {
+        this.performAccessibilityAction(
+                isVisibleToUser() ? AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS
+                        : AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS, null);
+
+        ActivityContext.lookupContext(getContext()).getDragLayer()
+                .sendAccessibilityEvent(TYPE_WINDOW_CONTENT_CHANGED);
     }
 
     private int getColorWithGivenLuminance(int color, float luminance) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
index 3143f23..8b009e6 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
@@ -189,6 +189,13 @@
         mActivity.addOnDeviceProfileChangeListener(mDeviceProfileChangeListener);
     }
 
+    /**
+     * Announcement for Accessibility when Taskbar stashes/unstashes.
+     */
+    public void announceForAccessibility() {
+        mTaskbarView.announceAccessibilityChanges();
+    }
+
     public void onDestroy() {
         LauncherAppState.getInstance(mActivity).getModel().removeCallbacks(mModelCallbacks);
         mActivity.removeOnDeviceProfileChangeListener(mDeviceProfileChangeListener);
diff --git a/src/com/android/launcher3/views/IconButtonView.java b/src/com/android/launcher3/views/IconButtonView.java
index 71f6756..0ac1919 100644
--- a/src/com/android/launcher3/views/IconButtonView.java
+++ b/src/com/android/launcher3/views/IconButtonView.java
@@ -29,6 +29,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.util.AttributeSet;
+import android.view.accessibility.AccessibilityEvent;
 
 import androidx.annotation.ColorInt;
 import androidx.annotation.NonNull;
@@ -78,6 +79,12 @@
         }
     }
 
+    @Override
+    public void onPopulateAccessibilityEvent(AccessibilityEvent event) {
+        super.onPopulateAccessibilityEvent(event);
+        event.getText().add(this.getContentDescription());
+    }
+
     /** Sets given Drawable as icon */
     public void setIconDrawable(@NonNull Drawable drawable) {
         ColorStateList tintList = getBackgroundTintList();