diff --git a/core/java/android/window/BackMotionEvent.java b/core/java/android/window/BackMotionEvent.java
index 8012a1c26baca..c47572313eeb6 100644
--- a/core/java/android/window/BackMotionEvent.java
+++ b/core/java/android/window/BackMotionEvent.java
@@ -34,6 +34,8 @@ public final class BackMotionEvent implements Parcelable {
     private final float mTouchX;
     private final float mTouchY;
     private final float mProgress;
+    private final float mVelocityX;
+    private final float mVelocityY;
 
     @BackEvent.SwipeEdge
     private final int mSwipeEdge;
@@ -43,19 +45,32 @@ public final class BackMotionEvent implements Parcelable {
     /**
      * Creates a new {@link BackMotionEvent} instance.
      *
+     * <p>Note: Velocity is only computed for last event, for performance reasons.</p>
+     *
      * @param touchX Absolute X location of the touch point of this event.
      * @param touchY Absolute Y location of the touch point of this event.
      * @param progress Value between 0 and 1 on how far along the back gesture is.
+     * @param velocityX X velocity computed from the touch point of this event.
+     *                  Value in pixels/second. {@link Float#NaN} if was not computed.
+     * @param velocityY Y velocity computed from the touch point of this event.
+     *                  Value in pixels/second. {@link Float#NaN} if was not computed.
      * @param swipeEdge Indicates which edge the swipe starts from.
      * @param departingAnimationTarget The remote animation target of the departing
      *                                 application window.
      */
-    public BackMotionEvent(float touchX, float touchY, float progress,
+    public BackMotionEvent(
+            float touchX,
+            float touchY,
+            float progress,
+            float velocityX,
+            float velocityY,
             @BackEvent.SwipeEdge int swipeEdge,
             @Nullable RemoteAnimationTarget departingAnimationTarget) {
         mTouchX = touchX;
         mTouchY = touchY;
         mProgress = progress;
+        mVelocityX = velocityX;
+        mVelocityY = velocityY;
         mSwipeEdge = swipeEdge;
         mDepartingAnimationTarget = departingAnimationTarget;
     }
@@ -64,6 +79,8 @@ public final class BackMotionEvent implements Parcelable {
         mTouchX = in.readFloat();
         mTouchY = in.readFloat();
         mProgress = in.readFloat();
+        mVelocityX = in.readFloat();
+        mVelocityY = in.readFloat();
         mSwipeEdge = in.readInt();
         mDepartingAnimationTarget = in.readTypedObject(RemoteAnimationTarget.CREATOR);
     }
@@ -91,20 +108,12 @@ public final class BackMotionEvent implements Parcelable {
         dest.writeFloat(mTouchX);
         dest.writeFloat(mTouchY);
         dest.writeFloat(mProgress);
+        dest.writeFloat(mVelocityX);
+        dest.writeFloat(mVelocityY);
         dest.writeInt(mSwipeEdge);
         dest.writeTypedObject(mDepartingAnimationTarget, flags);
     }
 
-    /**
-     * Returns the progress of a {@link BackEvent}.
-     *
-     * @see BackEvent#getProgress()
-     */
-    @FloatRange(from = 0, to = 1)
-    public float getProgress() {
-        return mProgress;
-    }
-
     /**
      * Returns the absolute X location of the touch point.
      */
@@ -119,6 +128,34 @@ public final class BackMotionEvent implements Parcelable {
         return mTouchY;
     }
 
+    /**
+     * Returns the progress of a {@link BackEvent}.
+     *
+     * @see BackEvent#getProgress()
+     */
+    @FloatRange(from = 0, to = 1)
+    public float getProgress() {
+        return mProgress;
+    }
+
+    /**
+     * Returns the X velocity computed from the touch point.
+     *
+     * @return value in pixels/second or {@link Float#NaN} if was not computed.
+     */
+    public float getVelocityX() {
+        return mVelocityX;
+    }
+
+    /**
+     * Returns the Y velocity computed from the touch point.
+     *
+     * @return value in pixels/second or {@link Float#NaN} if was not computed.
+     */
+    public float getVelocityY() {
+        return mVelocityY;
+    }
+
     /**
      * Returns the screen edge that the swipe starts from.
      */
@@ -143,6 +180,8 @@ public final class BackMotionEvent implements Parcelable {
                 + "mTouchX=" + mTouchX
                 + ", mTouchY=" + mTouchY
                 + ", mProgress=" + mProgress
+                + ", mVelocityX=" + mVelocityX
+                + ", mVelocityY=" + mVelocityY
                 + ", mSwipeEdge" + mSwipeEdge
                 + ", mDepartingAnimationTarget" + mDepartingAnimationTarget
                 + "}";
diff --git a/core/tests/coretests/src/android/window/WindowOnBackInvokedDispatcherTest.java b/core/tests/coretests/src/android/window/WindowOnBackInvokedDispatcherTest.java
index 3b6e8eaafc22d..cde100cc20aaa 100644
--- a/core/tests/coretests/src/android/window/WindowOnBackInvokedDispatcherTest.java
+++ b/core/tests/coretests/src/android/window/WindowOnBackInvokedDispatcherTest.java
@@ -70,7 +70,13 @@ public class WindowOnBackInvokedDispatcherTest {
     private ApplicationInfo mApplicationInfo;
 
     private final BackMotionEvent mBackEvent = new BackMotionEvent(
-            0, 0, 0, BackEvent.EDGE_LEFT, null);
+            /* touchX = */ 0,
+            /* touchY = */ 0,
+            /* progress = */ 0,
+            /* velocityX = */ 0,
+            /* velocityY = */ 0,
+            /* swipeEdge = */ BackEvent.EDGE_LEFT,
+            /* departingAnimationTarget = */ null);
 
     @Before
     public void setUp() throws Exception {
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimation.java b/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimation.java
index e84a78f426164..133fd87a2f63c 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimation.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimation.java
@@ -33,12 +33,19 @@ public interface BackAnimation {
      *
      * @param touchX the X touch position of the {@link MotionEvent}.
      * @param touchY the Y touch position of the {@link MotionEvent}.
+     * @param velocityX the X velocity computed from the {@link MotionEvent}.
+     * @param velocityY the Y velocity computed from the {@link MotionEvent}.
      * @param keyAction the original {@link KeyEvent#getAction()} when the event was dispatched to
      *               the process. This is forwarded separately because the input pipeline may mutate
      *               the {#event} action state later.
      * @param swipeEdge the edge from which the swipe begins.
      */
-    void onBackMotion(float touchX, float touchY, int keyAction,
+    void onBackMotion(
+            float touchX,
+            float touchY,
+            float velocityX,
+            float velocityY,
+            int keyAction,
             @BackEvent.SwipeEdge int swipeEdge);
 
     /**
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimationController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimationController.java
index 04f8477eb749a..47d3a5c520745 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimationController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/back/BackAnimationController.java
@@ -256,8 +256,20 @@ public class BackAnimationController implements RemoteCallable<BackAnimationCont
     private class BackAnimationImpl implements BackAnimation {
         @Override
         public void onBackMotion(
-                float touchX, float touchY, int keyAction, @BackEvent.SwipeEdge int swipeEdge) {
-            mShellExecutor.execute(() -> onMotionEvent(touchX, touchY, keyAction, swipeEdge));
+                float touchX,
+                float touchY,
+                float velocityX,
+                float velocityY,
+                int keyAction,
+                @BackEvent.SwipeEdge int swipeEdge
+        ) {
+            mShellExecutor.execute(() -> onMotionEvent(
+                    /* touchX = */ touchX,
+                    /* touchY = */ touchY,
+                    /* velocityX = */ velocityX,
+                    /* velocityY = */ velocityY,
+                    /* keyAction = */ keyAction,
+                    /* swipeEdge = */ swipeEdge));
         }
 
         @Override
@@ -332,13 +344,18 @@ public class BackAnimationController implements RemoteCallable<BackAnimationCont
      * Called when a new motion event needs to be transferred to this
      * {@link BackAnimationController}
      */
-    public void onMotionEvent(float touchX, float touchY, int keyAction,
+    public void onMotionEvent(
+            float touchX,
+            float touchY,
+            float velocityX,
+            float velocityY,
+            int keyAction,
             @BackEvent.SwipeEdge int swipeEdge) {
         if (mPostCommitAnimationInProgress) {
             return;
         }
 
-        mTouchTracker.update(touchX, touchY);
+        mTouchTracker.update(touchX, touchY, velocityX, velocityY);
         if (keyAction == MotionEvent.ACTION_DOWN) {
             if (!mBackGestureStarted) {
                 mShouldStartOnNextMoveEvent = true;
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/back/TouchTracker.java b/libs/WindowManager/Shell/src/com/android/wm/shell/back/TouchTracker.java
index 695ef4e663020..904574b085628 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/back/TouchTracker.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/back/TouchTracker.java
@@ -42,11 +42,13 @@ class TouchTracker {
      */
     private float mInitTouchX;
     private float mInitTouchY;
+    private float mLatestVelocityX;
+    private float mLatestVelocityY;
     private float mStartThresholdX;
     private int mSwipeEdge;
     private boolean mCancelled;
 
-    void update(float touchX, float touchY) {
+    void update(float touchX, float touchY, float velocityX, float velocityY) {
         /**
          * If back was previously cancelled but the user has started swiping in the forward
          * direction again, restart back.
@@ -58,6 +60,8 @@ class TouchTracker {
         }
         mLatestTouchX = touchX;
         mLatestTouchY = touchY;
+        mLatestVelocityX = velocityX;
+        mLatestVelocityY = velocityY;
     }
 
     void setTriggerBack(boolean triggerBack) {
@@ -84,7 +88,14 @@ class TouchTracker {
     }
 
     BackMotionEvent createStartEvent(RemoteAnimationTarget target) {
-        return new BackMotionEvent(mInitTouchX, mInitTouchY, 0, mSwipeEdge, target);
+        return new BackMotionEvent(
+                /* touchX = */ mInitTouchX,
+                /* touchY = */ mInitTouchY,
+                /* progress = */ 0,
+                /* velocityX = */ 0,
+                /* velocityY = */ 0,
+                /* swipeEdge = */ mSwipeEdge,
+                /* departingAnimationTarget = */ target);
     }
 
     BackMotionEvent createProgressEvent() {
@@ -111,7 +122,14 @@ class TouchTracker {
     }
 
     BackMotionEvent createProgressEvent(float progress) {
-        return new BackMotionEvent(mLatestTouchX, mLatestTouchY, progress, mSwipeEdge, null);
+        return new BackMotionEvent(
+                /* touchX = */ mLatestTouchX,
+                /* touchY = */ mLatestTouchY,
+                /* progress = */ progress,
+                /* velocityX = */ mLatestVelocityX,
+                /* velocityY = */ mLatestVelocityY,
+                /* swipeEdge = */ mSwipeEdge,
+                /* departingAnimationTarget = */ null);
     }
 
     public void setProgressThreshold(float progressThreshold) {
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/BackAnimationControllerTest.java b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/BackAnimationControllerTest.java
index 0673484f6336b..d95c7a488ea1c 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/BackAnimationControllerTest.java
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/BackAnimationControllerTest.java
@@ -474,9 +474,12 @@ public class BackAnimationControllerTest extends ShellTestCase {
 
     private void doMotionEvent(int actionDown, int coordinate) {
         mController.onMotionEvent(
-                coordinate, coordinate,
-                actionDown,
-                BackEvent.EDGE_LEFT);
+                /* touchX */ coordinate,
+                /* touchY */ coordinate,
+                /* velocityX = */ 0,
+                /* velocityY = */ 0,
+                /* keyAction */ actionDown,
+                /* swipeEdge */ BackEvent.EDGE_LEFT);
     }
 
     private void simulateRemoteAnimationStart(int type) throws RemoteException {
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/BackProgressAnimatorTest.java b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/BackProgressAnimatorTest.java
index 3608474bd90e7..874ef80c29f01 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/BackProgressAnimatorTest.java
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/BackProgressAnimatorTest.java
@@ -16,8 +16,6 @@
 
 package com.android.wm.shell.back;
 
-import static android.window.BackEvent.EDGE_LEFT;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 
@@ -48,12 +46,21 @@ public class BackProgressAnimatorTest {
     private CountDownLatch mTargetProgressCalled = new CountDownLatch(1);
     private Handler mMainThreadHandler;
 
+    private BackMotionEvent backMotionEventFrom(float touchX, float progress) {
+        return new BackMotionEvent(
+                /* touchX = */ touchX,
+                /* touchY = */ 0,
+                /* progress = */ progress,
+                /* velocityX = */ 0,
+                /* velocityY = */ 0,
+                /* swipeEdge = */ BackEvent.EDGE_LEFT,
+                /* departingAnimationTarget = */ null);
+    }
+
     @Before
     public void setUp() throws Exception {
         mMainThreadHandler = new Handler(Looper.getMainLooper());
-        final BackMotionEvent backEvent = new BackMotionEvent(
-                0, 0,
-                0, EDGE_LEFT, null);
+        final BackMotionEvent backEvent = backMotionEventFrom(0, 0);
         mMainThreadHandler.post(
                 () -> {
                     mProgressAnimator = new BackProgressAnimator();
@@ -63,9 +70,7 @@ public class BackProgressAnimatorTest {
 
     @Test
     public void testBackProgressed() throws InterruptedException {
-        final BackMotionEvent backEvent = new BackMotionEvent(
-                100, 0,
-                mTargetProgress, EDGE_LEFT, null);
+        final BackMotionEvent backEvent = backMotionEventFrom(100, mTargetProgress);
         mMainThreadHandler.post(
                 () -> mProgressAnimator.onBackProgressed(backEvent));
 
@@ -78,9 +83,7 @@ public class BackProgressAnimatorTest {
     @Test
     public void testBackCancelled() throws InterruptedException {
         // Give the animator some progress.
-        final BackMotionEvent backEvent = new BackMotionEvent(
-                100, 0,
-                mTargetProgress, EDGE_LEFT, null);
+        final BackMotionEvent backEvent = backMotionEventFrom(100, mTargetProgress);
         mMainThreadHandler.post(
                 () -> mProgressAnimator.onBackProgressed(backEvent));
         mTargetProgressCalled.await(1, TimeUnit.SECONDS);
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/TouchTrackerTest.java b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/TouchTrackerTest.java
index ba9c159bad284..d62e6601723a2 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/TouchTrackerTest.java
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/back/TouchTrackerTest.java
@@ -47,43 +47,45 @@ public class TouchTrackerTest {
     public void generatesProgress_leftEdge() {
         mTouchTracker.setGestureStartLocation(INITIAL_X_LEFT_EDGE, 0, BackEvent.EDGE_LEFT);
         float touchX = 10;
+        float velocityX = 0;
+        float velocityY = 0;
 
         // Pre-commit
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), (touchX - INITIAL_X_LEFT_EDGE) / FAKE_THRESHOLD, 0f);
 
         // Post-commit
         touchX += 100;
         mTouchTracker.setTriggerBack(true);
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), (touchX - INITIAL_X_LEFT_EDGE) / FAKE_THRESHOLD, 0f);
 
         // Cancel
         touchX -= 10;
         mTouchTracker.setTriggerBack(false);
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), 0, 0f);
 
         // Cancel more
         touchX -= 10;
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), 0, 0f);
 
         // Restart
         touchX += 10;
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), 0, 0f);
 
         // Restarted, but pre-commit
         float restartX = touchX;
         touchX += 10;
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), (touchX - restartX) / FAKE_THRESHOLD, 0f);
 
         // Restarted, post-commit
         touchX += 10;
         mTouchTracker.setTriggerBack(true);
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), (touchX - INITIAL_X_LEFT_EDGE) / FAKE_THRESHOLD, 0f);
     }
 
@@ -91,43 +93,45 @@ public class TouchTrackerTest {
     public void generatesProgress_rightEdge() {
         mTouchTracker.setGestureStartLocation(INITIAL_X_RIGHT_EDGE, 0, BackEvent.EDGE_RIGHT);
         float touchX = INITIAL_X_RIGHT_EDGE - 10; // Fake right edge
+        float velocityX = 0f;
+        float velocityY = 0f;
 
         // Pre-commit
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), (INITIAL_X_RIGHT_EDGE - touchX) / FAKE_THRESHOLD, 0f);
 
         // Post-commit
         touchX -= 100;
         mTouchTracker.setTriggerBack(true);
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), (INITIAL_X_RIGHT_EDGE - touchX) / FAKE_THRESHOLD, 0f);
 
         // Cancel
         touchX += 10;
         mTouchTracker.setTriggerBack(false);
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), 0, 0f);
 
         // Cancel more
         touchX += 10;
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), 0, 0f);
 
         // Restart
         touchX -= 10;
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), 0, 0f);
 
         // Restarted, but pre-commit
         float restartX = touchX;
         touchX -= 10;
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), (restartX - touchX) / FAKE_THRESHOLD, 0f);
 
         // Restarted, post-commit
         touchX -= 10;
         mTouchTracker.setTriggerBack(true);
-        mTouchTracker.update(touchX, 0);
+        mTouchTracker.update(touchX, 0, velocityX, velocityY);
         assertEquals(getProgress(), (INITIAL_X_RIGHT_EDGE - touchX) / FAKE_THRESHOLD, 0f);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java b/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java
index 26b0e8dd98958..b9ef916eebdf3 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/EdgeBackGestureHandler.java
@@ -55,6 +55,7 @@ import android.view.KeyCharacterMap;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.Surface;
+import android.view.VelocityTracker;
 import android.view.ViewConfiguration;
 import android.view.WindowInsets;
 import android.view.WindowManager;
@@ -173,7 +174,7 @@ public class EdgeBackGestureHandler implements PluginListener<NavigationEdgeBack
                 }
             };
 
-
+    private final VelocityTracker mVelocityTracker = VelocityTracker.obtain();
     private final Context mContext;
     private final UserTracker mUserTracker;
     private final OverviewProxyService mOverviewProxyService;
@@ -901,6 +902,10 @@ public class EdgeBackGestureHandler implements PluginListener<NavigationEdgeBack
                 Log.d(DEBUG_MISSING_GESTURE_TAG, "Start gesture: " + ev);
             }
 
+            // ACTION_UP or ACTION_CANCEL is not guaranteed to be called before a new
+            // ACTION_DOWN, in that case we should just reuse the old instance.
+            mVelocityTracker.clear();
+
             // Verify if this is in within the touch region and we aren't in immersive mode, and
             // either the bouncer is showing or the notification panel is hidden
             mInputEventReceiver.setBatchingEnabled(false);
@@ -1027,11 +1032,30 @@ public class EdgeBackGestureHandler implements PluginListener<NavigationEdgeBack
 
     private void dispatchToBackAnimation(MotionEvent event) {
         if (mBackAnimation != null) {
+            mVelocityTracker.addMovement(event);
+
+            final float velocityX;
+            final float velocityY;
+            if (event.getAction() == MotionEvent.ACTION_UP) {
+                // Compute the current velocity is expensive (see computeCurrentVelocity), so we
+                // are only doing it when the user completes the gesture.
+                int unitPixelPerSecond = 1000;
+                int maxVelocity = mViewConfiguration.getScaledMaximumFlingVelocity();
+                mVelocityTracker.computeCurrentVelocity(unitPixelPerSecond, maxVelocity);
+                velocityX = mVelocityTracker.getXVelocity();
+                velocityY = mVelocityTracker.getYVelocity();
+            } else {
+                velocityX = Float.NaN;
+                velocityY = Float.NaN;
+            }
+
             mBackAnimation.onBackMotion(
-                    event.getX(),
-                    event.getY(),
-                    event.getActionMasked(),
-                    mIsOnLeftEdge ? BackEvent.EDGE_LEFT : BackEvent.EDGE_RIGHT);
+                    /* touchX = */ event.getX(),
+                    /* touchY = */ event.getY(),
+                    /* velocityX = */ velocityX,
+                    /* velocityY = */ velocityY,
+                    /* keyAction = */ event.getActionMasked(),
+                    /* swipeEdge = */ mIsOnLeftEdge ? BackEvent.EDGE_LEFT : BackEvent.EDGE_RIGHT);
         }
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/animation/back/OnBackAnimationCallbackExtensionTest.kt b/packages/SystemUI/tests/src/com/android/systemui/animation/back/OnBackAnimationCallbackExtensionTest.kt
index 921f9a8fc7d6f..2b95973363ad5 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/animation/back/OnBackAnimationCallbackExtensionTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/animation/back/OnBackAnimationCallbackExtensionTest.kt
@@ -37,7 +37,13 @@ class OnBackAnimationCallbackExtensionTest : SysuiTestCase() {
 
     @Test
     fun onBackProgressed_shouldInvoke_onBackProgress() {
-        val backEvent = BackEvent(0f, 0f, 0f, BackEvent.EDGE_LEFT)
+        val backEvent =
+            BackEvent(
+                /* touchX = */ 0f,
+                /* touchY = */ 0f,
+                /* progress = */ 0f,
+                /* swipeEdge = */ BackEvent.EDGE_LEFT
+            )
         onBackAnimationCallback.onBackStarted(backEvent)
 
         onBackAnimationCallback.onBackProgressed(backEvent)
@@ -47,7 +53,13 @@ class OnBackAnimationCallbackExtensionTest : SysuiTestCase() {
 
     @Test
     fun onBackStarted_shouldInvoke_onBackStart() {
-        val backEvent = BackEvent(0f, 0f, 0f, BackEvent.EDGE_LEFT)
+        val backEvent =
+            BackEvent(
+                /* touchX = */ 0f,
+                /* touchY = */ 0f,
+                /* progress = */ 0f,
+                /* swipeEdge = */ BackEvent.EDGE_LEFT
+            )
 
         onBackAnimationCallback.onBackStarted(backEvent)