diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardHostViewController.java b/packages/SystemUI/src/com/android/keyguard/KeyguardHostViewController.java
index 02a8958ef6574..31f1332b265c7 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardHostViewController.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardHostViewController.java
@@ -492,4 +492,11 @@ public class KeyguardHostViewController extends ViewController<KeyguardHostView>
             mKeyguardSecurityContainerController.updateResources();
         }
     }
+
+    /** Update keyguard position based on a tapped X coordinate. */
+    public void updateKeyguardPosition(float x) {
+        if (mKeyguardSecurityContainerController != null) {
+            mKeyguardSecurityContainerController.updateKeyguardPosition(x);
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
index 708b2d55b75aa..7ed63375a3342 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainer.java
@@ -267,6 +267,13 @@ public class KeyguardSecurityContainer extends FrameLayout {
         updateSecurityViewLocation(false);
     }
 
+    /** Update keyguard position based on a tapped X coordinate. */
+    public void updateKeyguardPosition(float x) {
+        if (mOneHandedMode) {
+            moveBouncerForXCoordinate(x, /* animate= */false);
+        }
+    }
+
     /** Return whether the one-handed keyguard should be enabled. */
     private boolean canUseOneHandedBouncer() {
         // Is it enabled?
@@ -488,9 +495,13 @@ public class KeyguardSecurityContainer extends FrameLayout {
             return;
         }
 
+        moveBouncerForXCoordinate(event.getX(), /* animate= */true);
+    }
+
+    private void moveBouncerForXCoordinate(float x, boolean animate) {
         // Did the tap hit the "other" side of the bouncer?
-        if ((mIsSecurityViewLeftAligned && (event.getX() > getWidth() / 2f))
-                || (!mIsSecurityViewLeftAligned && (event.getX() < getWidth() / 2f))) {
+        if ((mIsSecurityViewLeftAligned && (x > getWidth() / 2f))
+                || (!mIsSecurityViewLeftAligned && (x < getWidth() / 2f))) {
             mIsSecurityViewLeftAligned = !mIsSecurityViewLeftAligned;
 
             Settings.Global.putInt(
@@ -499,7 +510,7 @@ public class KeyguardSecurityContainer extends FrameLayout {
                     mIsSecurityViewLeftAligned ? Settings.Global.ONE_HANDED_KEYGUARD_SIDE_LEFT
                             : Settings.Global.ONE_HANDED_KEYGUARD_SIDE_RIGHT);
 
-            updateSecurityViewLocation(true);
+            updateSecurityViewLocation(animate);
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java
index 760eaecae2471..4827cab3b5c01 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java
@@ -515,6 +515,11 @@ public class KeyguardSecurityContainerController extends ViewController<Keyguard
         }
     }
 
+    /** Update keyguard position based on a tapped X coordinate. */
+    public void updateKeyguardPosition(float x) {
+        mView.updateKeyguardPosition(x);
+    }
+
     static class Factory {
 
         private final KeyguardSecurityContainer mView;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
index 6b69103f60301..5ff9b703924e8 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
@@ -555,6 +555,13 @@ public class KeyguardBouncer {
         pw.println("  mIsAnimatingAway: " + mIsAnimatingAway);
     }
 
+    /** Update keyguard position based on a tapped X coordinate. */
+    public void updateKeyguardPosition(float x) {
+        if (mKeyguardViewController != null) {
+            mKeyguardViewController.updateKeyguardPosition(x);
+        }
+    }
+
     public interface BouncerExpansionCallback {
         void onFullyShown();
         void onStartingToHide();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelViewController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelViewController.java
index d3da0bce0a155..51e4267b32f19 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelViewController.java
@@ -3495,6 +3495,12 @@ public class NotificationPanelViewController extends PanelViewController {
                     updateHorizontalPanelPosition(event.getX());
                     handled = true;
                 }
+
+                if (event.getActionMasked() == MotionEvent.ACTION_DOWN && isFullyExpanded()
+                        && mStatusBarKeyguardViewManager.isShowing()) {
+                    mStatusBarKeyguardViewManager.updateKeyguardPosition(event.getX());
+                }
+
                 handled |= super.onTouch(v, event);
                 return !mDozing || mPulsing || handled || showingOrAnimatingAltAuth;
             }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
index 7ee7aa4100d46..0b6bbcd407f2f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
@@ -1150,6 +1150,13 @@ public class StatusBarKeyguardViewManager implements RemoteInputController.Callb
                 || mAlternateAuthInterceptor.isAnimating());
     }
 
+    /** Update keyguard position based on a tapped X coordinate. */
+    public void updateKeyguardPosition(float x) {
+        if (mBouncer != null) {
+            mBouncer.updateKeyguardPosition(x);
+        }
+    }
+
     private static class DismissWithActionRequest {
         final OnDismissAction dismissAction;
         final Runnable cancelAction;
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardHostViewControllerTest.java b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardHostViewControllerTest.java
index 714f1f235c522..4d526508ce0f6 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardHostViewControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardHostViewControllerTest.java
@@ -124,4 +124,11 @@ public class KeyguardHostViewControllerTest extends SysuiTestCase {
                 ((FrameLayout.LayoutParams) mKeyguardHostView.getLayoutParams()).gravity,
                 Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM);
     }
+
+    @Test
+    public void testUpdateKeyguardPositionDelegatesToSecurityContainer() {
+        mKeyguardHostViewController.updateKeyguardPosition(1.0f);
+
+        verify(mKeyguardSecurityContainerController).updateKeyguardPosition(1.0f);
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerControllerTest.java b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerControllerTest.java
index 99b3f6f19f815..ca857c5dd05b5 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerControllerTest.java
@@ -177,4 +177,10 @@ public class KeyguardSecurityContainerControllerTest extends SysuiTestCase {
         mKeyguardSecurityContainerController.updateResources();
         verify(mView, times(1)).updateLayoutForSecurityMode(any());
     }
+
+    @Test
+    public void updateKeyguardPosition_callsThroughToView() {
+        mKeyguardSecurityContainerController.updateKeyguardPosition(1.0f);
+        verify(mView).updateKeyguardPosition(1.0f);
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerTest.java b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerTest.java
index 104318e0f4aef..9557d5cdb982f 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerTest.java
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSecurityContainerTest.java
@@ -19,6 +19,9 @@ package com.android.keyguard;
 import static android.view.WindowInsets.Type.ime;
 import static android.view.WindowInsets.Type.systemBars;
 
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -198,6 +201,46 @@ public class KeyguardSecurityContainerTest extends SysuiTestCase {
         verify(mSecurityViewFlipper).measure(FAKE_MEASURE_SPEC, expectedHeightMeasureSpec);
     }
 
+    private void setupForUpdateKeyguardPosition(SecurityMode securityMode) {
+        setUpKeyguard(
+                /* deviceConfigCanUseOneHandedKeyguard= */true,
+                /* sysuiResourceCanUseOneHandedKeyguard= */ true,
+                securityMode);
+
+        mKeyguardSecurityContainer.measure(FAKE_MEASURE_SPEC, FAKE_MEASURE_SPEC);
+        mKeyguardSecurityContainer.layout(0, 0, SCREEN_WIDTH, SCREEN_WIDTH);
+
+        // Start off left-aligned. This should happen anyway, but just do this to ensure
+        // definitely move to the left.
+        mKeyguardSecurityContainer.updateKeyguardPosition(0.0f);
+
+        // Clear any interactions with the mock so we know the interactions definitely come from the
+        // below testing.
+        reset(mSecurityViewFlipper);
+    }
+
+    @Test
+    public void updateKeyguardPosition_movesKeyguard() {
+        setupForUpdateKeyguardPosition(ONE_HANDED_SECURITY_MODE);
+
+        mKeyguardSecurityContainer.updateKeyguardPosition((SCREEN_WIDTH / 4f) * 3f);
+        verify(mSecurityViewFlipper).setTranslationX(SCREEN_WIDTH / 2.0f);
+
+        mKeyguardSecurityContainer.updateKeyguardPosition(0.0f);
+        verify(mSecurityViewFlipper).setTranslationX(0.0f);
+    }
+
+    @Test
+    public void updateKeyguardPosition_doesntMoveTwoHandedKeyguard() {
+        setupForUpdateKeyguardPosition(TWO_HANDED_SECURITY_MODE);
+
+        mKeyguardSecurityContainer.updateKeyguardPosition((SCREEN_WIDTH / 4f) * 3f);
+        verify(mSecurityViewFlipper, never()).setTranslationX(anyInt());
+
+        mKeyguardSecurityContainer.updateKeyguardPosition(0.0f);
+        verify(mSecurityViewFlipper, never()).setTranslationX(anyInt());
+    }
+
     private void setUpKeyguard(
             boolean deviceConfigCanUseOneHandedKeyguard,
             boolean sysuiResourceCanUseOneHandedKeyguard,
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardBouncerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardBouncerTest.java
index d9e938948f5e6..e5f2aa7a93c76 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardBouncerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardBouncerTest.java
@@ -441,4 +441,12 @@ public class KeyguardBouncerTest extends SysuiTestCase {
         // mKeyguardViewController.init(), only updateResources above.
         verify(mKeyguardHostViewController).updateResources();
     }
+
+    @Test
+    public void testUpdateKeyguardPosition_delegatesToRootView() {
+        mBouncer.ensureView();
+        mBouncer.updateKeyguardPosition(1.0f);
+
+        verify(mKeyguardHostViewController).updateKeyguardPosition(1.0f);
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java
index 45b7917159046..20261e060601d 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java
@@ -283,4 +283,11 @@ public class StatusBarKeyguardViewManagerTest extends SysuiTestCase {
 
         verify(mBouncer).updateResources();
     }
+
+    @Test
+    public void updateKeyguardPosition_delegatesToBouncer() {
+        mStatusBarKeyguardViewManager.updateKeyguardPosition(1.0f);
+
+        verify(mBouncer).updateKeyguardPosition(1.0f);
+    }
 }