diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index ac520e8b3dec6..589ecc0a4de50 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -9964,15 +9964,18 @@ public final class Settings {
 
         /**
          * Controls the accessibility button mode. System will force-set the value to {@link
-         * #ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU} if {@link #NAVIGATION_MODE} is fully
-         * gestural.
+         * #ACCESSIBILITY_BUTTON_MODE_GESTURE} if {@link #NAVIGATION_MODE} is button; force-set the
+         * value to {@link ACCESSIBILITY_BUTTON_MODE_NAVIGATION_BAR} if {@link #NAVIGATION_MODE} is
+         * gestural; otherwise, remain the option.
          * <ul>
          *    <li> 0 = button in navigation bar </li>
          *    <li> 1 = button floating on the display </li>
+         *    <li> 2 = button using gesture to trigger </li>
          * </ul>
          *
          * @see #ACCESSIBILITY_BUTTON_MODE_NAVIGATION_BAR
          * @see #ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU
+         * @see #ACCESSIBILITY_BUTTON_MODE_GESTURE
          * @hide
          */
         public static final String ACCESSIBILITY_BUTTON_MODE =
@@ -9994,6 +9997,14 @@ public final class Settings {
          */
         public static final int ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU = 0x1;
 
+        /**
+         * Accessibility button mode value that specifying the accessibility service or feature to
+         * be toggled via the gesture.
+         *
+         * @hide
+         */
+        public static final int ACCESSIBILITY_BUTTON_MODE_GESTURE = 0x2;
+
         /**
          * The size of the accessibility floating menu.
          * <ul>
diff --git a/core/java/com/android/internal/accessibility/util/AccessibilityStatsLogUtils.java b/core/java/com/android/internal/accessibility/util/AccessibilityStatsLogUtils.java
index c57afbc674941..179ac8b1c528b 100644
--- a/core/java/com/android/internal/accessibility/util/AccessibilityStatsLogUtils.java
+++ b/core/java/com/android/internal/accessibility/util/AccessibilityStatsLogUtils.java
@@ -17,6 +17,7 @@
 package com.android.internal.accessibility.util;
 
 import static android.provider.Settings.Secure.ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU;
+import static android.provider.Settings.Secure.ACCESSIBILITY_BUTTON_MODE_GESTURE;
 import static android.provider.Settings.Secure.ACCESSIBILITY_MAGNIFICATION_MODE_ALL;
 import static android.provider.Settings.Secure.ACCESSIBILITY_MAGNIFICATION_MODE_FULLSCREEN;
 import static android.provider.Settings.Secure.ACCESSIBILITY_MAGNIFICATION_MODE_WINDOW;
@@ -30,6 +31,7 @@ import static com.android.internal.util.FrameworkStatsLog.ACCESSIBILITY_SHORTCUT
 import static com.android.internal.util.FrameworkStatsLog.ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__A11Y_BUTTON;
 import static com.android.internal.util.FrameworkStatsLog.ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__A11Y_BUTTON_LONG_PRESS;
 import static com.android.internal.util.FrameworkStatsLog.ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__A11Y_FLOATING_MENU;
+import static com.android.internal.util.FrameworkStatsLog.ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__A11Y_GESTURE;
 import static com.android.internal.util.FrameworkStatsLog.ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__TRIPLE_TAP;
 import static com.android.internal.util.FrameworkStatsLog.ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__UNKNOWN_TYPE;
 import static com.android.internal.util.FrameworkStatsLog.ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__VOLUME_KEY;
@@ -152,19 +154,29 @@ public final class AccessibilityStatsLogUtils {
                 convertToLoggingMagnificationMode(mode));
     }
 
-    private static boolean isFloatingMenuEnabled(Context context) {
+    private static boolean isAccessibilityFloatingMenuEnabled(Context context) {
         return Settings.Secure.getInt(context.getContentResolver(),
                 Settings.Secure.ACCESSIBILITY_BUTTON_MODE, /* def= */ -1)
                 == ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU;
     }
 
+    private static boolean isAccessibilityGestureEnabled(Context context) {
+        return Settings.Secure.getInt(context.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_BUTTON_MODE, /* def= */ -1)
+                == ACCESSIBILITY_BUTTON_MODE_GESTURE;
+    }
+
     private static int convertToLoggingShortcutType(Context context,
             @ShortcutType int shortcutType) {
         switch (shortcutType) {
             case ACCESSIBILITY_BUTTON:
-                return isFloatingMenuEnabled(context)
-                        ? ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__A11Y_FLOATING_MENU
-                        : ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__A11Y_BUTTON;
+                if (isAccessibilityFloatingMenuEnabled(context)) {
+                    return ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__A11Y_FLOATING_MENU;
+                } else if (isAccessibilityGestureEnabled(context)) {
+                    return ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__A11Y_GESTURE;
+                } else {
+                    return ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__A11Y_BUTTON;
+                }
             case ACCESSIBILITY_SHORTCUT_KEY:
                 return ACCESSIBILITY_SHORTCUT_REPORTED__SHORTCUT_TYPE__VOLUME_KEY;
         }
diff --git a/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java b/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
index 6d7fb027ee994..7a9f81e088cc1 100644
--- a/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
+++ b/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
@@ -276,7 +276,7 @@ public class SecureSettingsValidators {
         VALIDATORS.put(Secure.ACCESSIBILITY_BUTTON_MODE,
                 new InclusiveIntegerRangeValidator(
                         Secure.ACCESSIBILITY_BUTTON_MODE_NAVIGATION_BAR,
-                        Secure.ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU));
+                        Secure.ACCESSIBILITY_BUTTON_MODE_GESTURE));
         VALIDATORS.put(Secure.ACCESSIBILITY_FLOATING_MENU_SIZE,
                 new DiscreteValueValidator(new String[] {"0", "1"}));
         VALIDATORS.put(Secure.ACCESSIBILITY_FLOATING_MENU_ICON_TYPE,
diff --git a/packages/SystemUI/src/com/android/systemui/accessibility/AccessibilityButtonModeObserver.java b/packages/SystemUI/src/com/android/systemui/accessibility/AccessibilityButtonModeObserver.java
index 9bedb1ea75637..fbb909f301219 100644
--- a/packages/SystemUI/src/com/android/systemui/accessibility/AccessibilityButtonModeObserver.java
+++ b/packages/SystemUI/src/com/android/systemui/accessibility/AccessibilityButtonModeObserver.java
@@ -17,6 +17,7 @@
 package com.android.systemui.accessibility;
 
 import static android.provider.Settings.Secure.ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU;
+import static android.provider.Settings.Secure.ACCESSIBILITY_BUTTON_MODE_GESTURE;
 import static android.provider.Settings.Secure.ACCESSIBILITY_BUTTON_MODE_NAVIGATION_BAR;
 
 import android.annotation.IntDef;
@@ -49,7 +50,8 @@ public class AccessibilityButtonModeObserver extends
     @Retention(RetentionPolicy.SOURCE)
     @IntDef({
             ACCESSIBILITY_BUTTON_MODE_NAVIGATION_BAR,
-            ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU
+            ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU,
+            ACCESSIBILITY_BUTTON_MODE_GESTURE
     })
     public @interface AccessibilityButtonMode {}
 
diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBar.java b/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBar.java
index 07e1cb23e685b..fe2ac31087bc4 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBar.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBar.java
@@ -25,6 +25,8 @@ import static android.app.StatusBarManager.WindowVisibleState;
 import static android.app.StatusBarManager.windowStateToString;
 import static android.app.WindowConfiguration.ROTATION_UNDEFINED;
 import static android.provider.Settings.Secure.ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU;
+import static android.provider.Settings.Secure.ACCESSIBILITY_BUTTON_MODE_GESTURE;
+import static android.provider.Settings.Secure.ACCESSIBILITY_BUTTON_MODE_NAVIGATION_BAR;
 import static android.view.Display.DEFAULT_DISPLAY;
 import static android.view.InsetsState.ITYPE_NAVIGATION_BAR;
 import static android.view.InsetsState.containsType;
@@ -589,7 +591,7 @@ public class NavigationBar implements View.OnAttachStateChangeListener,
         mDeviceProvisionedController.addCallback(mUserSetupListener);
         mNotificationShadeDepthController.addListener(mDepthListener);
 
-        setAccessibilityFloatingMenuModeIfNeeded();
+        updateAccessibilityButtonModeIfNeeded();
 
         return barView;
     }
@@ -1379,11 +1381,31 @@ public class NavigationBar implements View.OnAttachStateChangeListener,
         updateSystemUiStateFlags(a11yFlags);
     }
 
-    private void setAccessibilityFloatingMenuModeIfNeeded() {
-        if (QuickStepContract.isGesturalMode(mNavBarMode)) {
+    private void updateAccessibilityButtonModeIfNeeded() {
+        final int mode = Settings.Secure.getIntForUser(mContentResolver,
+                Settings.Secure.ACCESSIBILITY_BUTTON_MODE,
+                ACCESSIBILITY_BUTTON_MODE_NAVIGATION_BAR, UserHandle.USER_CURRENT);
+
+        // ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU is compatible under gestural or non-gestural
+        // mode, so we don't need to update it.
+        if (mode == ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU) {
+            return;
+        }
+
+        // ACCESSIBILITY_BUTTON_MODE_NAVIGATION_BAR is incompatible under gestural mode. Need to
+        // force update to ACCESSIBILITY_BUTTON_MODE_GESTURE.
+        if (QuickStepContract.isGesturalMode(mNavBarMode)
+                && mode == ACCESSIBILITY_BUTTON_MODE_NAVIGATION_BAR) {
+            Settings.Secure.putIntForUser(mContentResolver,
+                    Settings.Secure.ACCESSIBILITY_BUTTON_MODE, ACCESSIBILITY_BUTTON_MODE_GESTURE,
+                    UserHandle.USER_CURRENT);
+            // ACCESSIBILITY_BUTTON_MODE_GESTURE is incompatible under non gestural mode. Need to
+            // force update to ACCESSIBILITY_BUTTON_MODE_NAVIGATION_BAR.
+        } else if (!QuickStepContract.isGesturalMode(mNavBarMode)
+                && mode == ACCESSIBILITY_BUTTON_MODE_GESTURE) {
             Settings.Secure.putIntForUser(mContentResolver,
                     Settings.Secure.ACCESSIBILITY_BUTTON_MODE,
-                    ACCESSIBILITY_BUTTON_MODE_FLOATING_MENU, UserHandle.USER_CURRENT);
+                    ACCESSIBILITY_BUTTON_MODE_NAVIGATION_BAR, UserHandle.USER_CURRENT);
         }
     }
 
@@ -1511,7 +1533,7 @@ public class NavigationBar implements View.OnAttachStateChangeListener,
             }
         }
         updateScreenPinningGestures();
-        setAccessibilityFloatingMenuModeIfNeeded();
+        updateAccessibilityButtonModeIfNeeded();
 
         if (!canShowSecondaryHandle()) {
             resetSecondaryHandle();