diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index d9286b3..7ce1d79 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -248,6 +248,15 @@
 }
 
 flag {
+   name: "centralized_status_bar_dimens_refactor"
+   namespace: "systemui"
+   description: "Refactors shade header and keyguard status bar to read status bar dimens from a"
+        " central place, instead of reading resources directly. This is to take into account display"
+        " cutouts and other special cases. "
+   bug: "317199366"
+}
+
+flag {
   name: "enable_layout_tracing"
   namespace: "systemui"
   description: "Enables detailed traversal slices during measure and layout in perfetto traces"
diff --git a/packages/SystemUI/res/layout/keyguard_status_bar.xml b/packages/SystemUI/res/layout/keyguard_status_bar.xml
index fc0bf24..4cb7591 100644
--- a/packages/SystemUI/res/layout/keyguard_status_bar.xml
+++ b/packages/SystemUI/res/layout/keyguard_status_bar.xml
@@ -23,7 +23,6 @@
     android:layout_width="match_parent"
     android:layout_height="@dimen/status_bar_header_height_keyguard"
     android:baselineAligned="false"
-    android:gravity="center_vertical"
     >
 
     <LinearLayout
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/ui/view/layout/sections/SplitShadeNotificationStackScrollLayoutSection.kt b/packages/SystemUI/src/com/android/systemui/keyguard/ui/view/layout/sections/SplitShadeNotificationStackScrollLayoutSection.kt
index 0f8e673..756a4cc 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/ui/view/layout/sections/SplitShadeNotificationStackScrollLayoutSection.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/ui/view/layout/sections/SplitShadeNotificationStackScrollLayoutSection.kt
@@ -23,11 +23,13 @@
 import androidx.constraintlayout.widget.ConstraintSet.PARENT_ID
 import androidx.constraintlayout.widget.ConstraintSet.START
 import androidx.constraintlayout.widget.ConstraintSet.TOP
+import com.android.systemui.Flags.centralizedStatusBarDimensRefactor
 import com.android.systemui.dagger.qualifiers.Main
 import com.android.systemui.keyguard.shared.KeyguardShadeMigrationNssl
 import com.android.systemui.keyguard.ui.viewmodel.KeyguardSmartspaceViewModel
 import com.android.systemui.res.R
 import com.android.systemui.scene.shared.flag.SceneContainerFlags
+import com.android.systemui.shade.LargeScreenHeaderHelper
 import com.android.systemui.shade.NotificationPanelView
 import com.android.systemui.statusbar.notification.stack.AmbientState
 import com.android.systemui.statusbar.notification.stack.NotificationStackScrollLayoutController
@@ -35,6 +37,7 @@
 import com.android.systemui.statusbar.notification.stack.ui.view.SharedNotificationContainer
 import com.android.systemui.statusbar.notification.stack.ui.viewmodel.NotificationStackAppearanceViewModel
 import com.android.systemui.statusbar.notification.stack.ui.viewmodel.SharedNotificationContainerViewModel
+import dagger.Lazy
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineDispatcher
 
@@ -53,6 +56,7 @@
     notificationStackSizeCalculator: NotificationStackSizeCalculator,
     private val smartspaceViewModel: KeyguardSmartspaceViewModel,
     @Main mainDispatcher: CoroutineDispatcher,
+    private val largeScreenHeaderHelperLazy: Lazy<LargeScreenHeaderHelper>,
 ) :
     NotificationStackScrollLayoutSection(
         context,
@@ -72,7 +76,13 @@
         }
         constraintSet.apply {
             val splitShadeTopMargin =
-                context.resources.getDimensionPixelSize(R.dimen.large_screen_shade_header_height)
+                if (centralizedStatusBarDimensRefactor()) {
+                    largeScreenHeaderHelperLazy.get().getLargeScreenHeaderHeight()
+                } else {
+                    context.resources.getDimensionPixelSize(
+                        R.dimen.large_screen_shade_header_height
+                    )
+                }
             connect(R.id.nssl_placeholder, TOP, PARENT_ID, TOP, splitShadeTopMargin)
 
             connect(R.id.nssl_placeholder, START, PARENT_ID, START)
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSContainerImpl.java b/packages/SystemUI/src/com/android/systemui/qs/QSContainerImpl.java
index 0644237..a3b9254 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSContainerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSContainerImpl.java
@@ -18,6 +18,8 @@
 
 import static android.app.StatusBarManager.DISABLE2_QUICK_SETTINGS;
 
+import static com.android.systemui.Flags.centralizedStatusBarDimensRefactor;
+
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Path;
@@ -30,6 +32,7 @@
 import com.android.systemui.Dumpable;
 import com.android.systemui.qs.customize.QSCustomizer;
 import com.android.systemui.res.R;
+import com.android.systemui.shade.LargeScreenHeaderHelper;
 import com.android.systemui.shade.TouchLogger;
 import com.android.systemui.util.LargeScreenUtils;
 
@@ -162,8 +165,12 @@
             QuickStatusBarHeaderController quickStatusBarHeaderController) {
         int topPadding = QSUtils.getQsHeaderSystemIconsAreaHeight(mContext);
         if (!LargeScreenUtils.shouldUseLargeScreenShadeHeader(mContext.getResources())) {
-            topPadding = mContext.getResources()
-                    .getDimensionPixelSize(R.dimen.large_screen_shade_header_height);
+            topPadding =
+                    centralizedStatusBarDimensRefactor()
+                            ? LargeScreenHeaderHelper.getLargeScreenHeaderHeight(mContext)
+                            : mContext.getResources()
+                                    .getDimensionPixelSize(
+                                            R.dimen.large_screen_shade_header_height);
         }
         mQSPanelContainer.setPaddingRelative(
                 mQSPanelContainer.getPaddingStart(),
diff --git a/packages/SystemUI/src/com/android/systemui/shade/LargeScreenHeaderHelper.kt b/packages/SystemUI/src/com/android/systemui/shade/LargeScreenHeaderHelper.kt
new file mode 100644
index 0000000..c74f038
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/shade/LargeScreenHeaderHelper.kt
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.shade
+
+import android.content.Context
+import com.android.internal.policy.SystemBarUtils
+import com.android.systemui.res.R
+import javax.inject.Inject
+import kotlin.math.max
+
+class LargeScreenHeaderHelper @Inject constructor(private val context: Context) {
+
+    fun getLargeScreenHeaderHeight(): Int = getLargeScreenHeaderHeight(context)
+
+    companion object {
+        @JvmStatic
+        fun getLargeScreenHeaderHeight(context: Context): Int {
+            val defaultHeight =
+                context.resources.getDimensionPixelSize(R.dimen.large_screen_shade_header_height)
+            val statusBarHeight = SystemBarUtils.getStatusBarHeight(context)
+            // Height has to be at least as tall as the status bar, as the status bar height takes
+            // into account display cutouts.
+            return max(defaultHeight, statusBarHeight)
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
index 286037e..d2399ed 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
@@ -1213,7 +1213,7 @@
                 .setMaxLengthSeconds(0.4f).build();
         mStatusBarMinHeight = SystemBarUtils.getStatusBarHeight(mView.getContext());
         mStatusBarHeaderHeightKeyguard = Utils.getStatusBarHeaderHeightKeyguard(mView.getContext());
-        mClockPositionAlgorithm.loadDimens(mResources);
+        mClockPositionAlgorithm.loadDimens(mView.getContext(), mResources);
         mIndicationBottomPadding = mResources.getDimensionPixelSize(
                 R.dimen.keyguard_indication_bottom_padding);
         int statusbarHeight = SystemBarUtils.getStatusBarHeight(mView.getContext());
diff --git a/packages/SystemUI/src/com/android/systemui/shade/NotificationsQSContainerController.kt b/packages/SystemUI/src/com/android/systemui/shade/NotificationsQSContainerController.kt
index 9c8a286..84cad1d 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/NotificationsQSContainerController.kt
+++ b/packages/SystemUI/src/com/android/systemui/shade/NotificationsQSContainerController.kt
@@ -27,6 +27,7 @@
 import androidx.constraintlayout.widget.ConstraintSet.START
 import androidx.constraintlayout.widget.ConstraintSet.TOP
 import androidx.lifecycle.lifecycleScope
+import com.android.systemui.Flags.centralizedStatusBarDimensRefactor
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Main
 import com.android.systemui.flags.FeatureFlags
@@ -47,10 +48,11 @@
 import com.android.systemui.util.LargeScreenUtils
 import com.android.systemui.util.ViewController
 import com.android.systemui.util.concurrency.DelayableExecutor
-import kotlinx.coroutines.launch
+import dagger.Lazy
 import java.util.function.Consumer
 import javax.inject.Inject
 import kotlin.reflect.KMutableProperty0
+import kotlinx.coroutines.launch
 
 @VisibleForTesting
 internal const val INSET_DEBOUNCE_MILLIS = 500L
@@ -67,7 +69,8 @@
         private val featureFlags: FeatureFlags,
         private val
             notificationStackScrollLayoutController: NotificationStackScrollLayoutController,
-        private val splitShadeStateController: SplitShadeStateController
+        private val splitShadeStateController: SplitShadeStateController,
+        private val largeScreenHeaderHelperLazy: Lazy<LargeScreenHeaderHelper>,
 ) : ViewController<NotificationsQuickSettingsContainer>(view), QSContainerController {
 
     private var splitShadeEnabled = false
@@ -186,7 +189,11 @@
     }
 
     private fun calculateLargeShadeHeaderHeight(): Int {
-        return resources.getDimensionPixelSize(R.dimen.large_screen_shade_header_height)
+        return if (centralizedStatusBarDimensRefactor()) {
+            largeScreenHeaderHelperLazy.get().getLargeScreenHeaderHeight()
+        } else {
+            resources.getDimensionPixelSize(R.dimen.large_screen_shade_header_height)
+        }
     }
 
     private fun calculateShadeHeaderHeight(): Int {
diff --git a/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsController.java b/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsController.java
index 8397caa..9273540 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsController.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/QuickSettingsController.java
@@ -20,6 +20,7 @@
 import static android.view.WindowInsets.Type.ime;
 
 import static com.android.internal.jank.InteractionJankMonitor.CUJ_NOTIFICATION_SHADE_QS_EXPAND_COLLAPSE;
+import static com.android.systemui.Flags.centralizedStatusBarDimensRefactor;
 import static com.android.systemui.classifier.Classifier.QS_COLLAPSE;
 import static com.android.systemui.shade.NotificationPanelViewController.COUNTER_PANEL_OPEN_QS;
 import static com.android.systemui.shade.NotificationPanelViewController.FLING_COLLAPSE;
@@ -126,6 +127,7 @@
     private final Lazy<NotificationPanelViewController> mPanelViewControllerLazy;
 
     private final NotificationPanelView mPanelView;
+    private final Lazy<LargeScreenHeaderHelper> mLargeScreenHeaderHelperLazy;
     private final KeyguardStatusBarView mKeyguardStatusBar;
     private final FrameLayout mQsFrame;
 
@@ -344,10 +346,12 @@
             ActiveNotificationsInteractor activeNotificationsInteractor,
             JavaAdapter javaAdapter,
             CastController castController,
-            SplitShadeStateController splitShadeStateController
+            SplitShadeStateController splitShadeStateController,
+            Lazy<LargeScreenHeaderHelper> largeScreenHeaderHelperLazy
     ) {
         mPanelViewControllerLazy = panelViewControllerLazy;
         mPanelView = panelView;
+        mLargeScreenHeaderHelperLazy = largeScreenHeaderHelperLazy;
         mQsFrame = mPanelView.findViewById(R.id.qs_frame);
         mKeyguardStatusBar = mPanelView.findViewById(R.id.keyguard_header);
         mResources = mPanelView.getResources();
@@ -449,7 +453,10 @@
         mUseLargeScreenShadeHeader =
                 LargeScreenUtils.shouldUseLargeScreenShadeHeader(mPanelView.getResources());
         mLargeScreenShadeHeaderHeight =
-                mResources.getDimensionPixelSize(R.dimen.large_screen_shade_header_height);
+                centralizedStatusBarDimensRefactor()
+                        ? mLargeScreenHeaderHelperLazy.get().getLargeScreenHeaderHeight()
+                        : mResources.getDimensionPixelSize(
+                                R.dimen.large_screen_shade_header_height);
         int topMargin = mUseLargeScreenShadeHeader ? mLargeScreenShadeHeaderHeight :
                 mResources.getDimensionPixelSize(R.dimen.notification_panel_margin_top);
         mShadeHeaderController.setLargeScreenActive(mUseLargeScreenShadeHeader);
diff --git a/packages/SystemUI/src/com/android/systemui/shade/ShadeHeaderController.kt b/packages/SystemUI/src/com/android/systemui/shade/ShadeHeaderController.kt
index 2460a33..a66bacd 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/ShadeHeaderController.kt
+++ b/packages/SystemUI/src/com/android/systemui/shade/ShadeHeaderController.kt
@@ -38,6 +38,7 @@
 import com.android.app.animation.Interpolators
 import com.android.settingslib.Utils
 import com.android.systemui.Dumpable
+import com.android.systemui.Flags.centralizedStatusBarDimensRefactor
 import com.android.systemui.animation.ShadeInterpolation
 import com.android.systemui.battery.BatteryMeterView
 import com.android.systemui.battery.BatteryMeterViewController
@@ -432,6 +433,9 @@
             changes += combinedShadeHeadersConstraintManager.emptyCutoutConstraints()
         }
 
+        if (centralizedStatusBarDimensRefactor()) {
+            view.setPadding(view.paddingLeft, sbInsets.top, view.paddingRight, view.paddingBottom)
+        }
         view.updateAllConstraints(changes)
         updateBatteryMode()
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/domain/interactor/SharedNotificationContainerInteractor.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/domain/interactor/SharedNotificationContainerInteractor.kt
index 625fdc1..4b8fb1e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/domain/interactor/SharedNotificationContainerInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/domain/interactor/SharedNotificationContainerInteractor.kt
@@ -18,12 +18,15 @@
 package com.android.systemui.statusbar.notification.stack.domain.interactor
 
 import android.content.Context
+import com.android.systemui.Flags.centralizedStatusBarDimensRefactor
 import com.android.systemui.common.ui.data.repository.ConfigurationRepository
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.deviceentry.domain.interactor.DeviceEntryUdfpsInteractor
 import com.android.systemui.keyguard.domain.interactor.KeyguardInteractor
 import com.android.systemui.res.R
+import com.android.systemui.shade.LargeScreenHeaderHelper
 import com.android.systemui.statusbar.policy.SplitShadeStateController
+import dagger.Lazy
 import javax.inject.Inject
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
@@ -45,6 +48,7 @@
     private val splitShadeStateController: SplitShadeStateController,
     keyguardInteractor: KeyguardInteractor,
     deviceEntryUdfpsInteractor: DeviceEntryUdfpsInteractor,
+    largeScreenHeaderHelperLazy: Lazy<LargeScreenHeaderHelper>,
 ) {
 
     private val _topPosition = MutableStateFlow(0f)
@@ -72,7 +76,11 @@
                             getDimensionPixelSize(R.dimen.notification_panel_margin_bottom),
                         marginTop = getDimensionPixelSize(R.dimen.notification_panel_margin_top),
                         marginTopLargeScreen =
-                            getDimensionPixelSize(R.dimen.large_screen_shade_header_height),
+                            if (centralizedStatusBarDimensRefactor()) {
+                                largeScreenHeaderHelperLazy.get().getLargeScreenHeaderHeight()
+                            } else {
+                                getDimensionPixelSize(R.dimen.large_screen_shade_header_height)
+                            },
                         keyguardSplitShadeTopMargin =
                             getDimensionPixelSize(R.dimen.keyguard_split_shade_top_margin),
                     )
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardClockPositionAlgorithm.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardClockPositionAlgorithm.java
index 0a03af7..ca3e3c6 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardClockPositionAlgorithm.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardClockPositionAlgorithm.java
@@ -16,10 +16,12 @@
 
 package com.android.systemui.statusbar.phone;
 
+import static com.android.systemui.Flags.centralizedStatusBarDimensRefactor;
 import static com.android.systemui.doze.util.BurnInHelperKt.getBurnInOffset;
 import static com.android.systemui.doze.util.BurnInHelperKt.getBurnInScale;
 import static com.android.systemui.statusbar.notification.NotificationUtils.interpolate;
 
+import android.content.Context;
 import android.content.res.Resources;
 import android.util.MathUtils;
 
@@ -30,6 +32,7 @@
 import com.android.systemui.log.core.Logger;
 import com.android.systemui.log.dagger.KeyguardClockLog;
 import com.android.systemui.res.R;
+import com.android.systemui.shade.LargeScreenHeaderHelper;
 import com.android.systemui.shade.ShadeViewController;
 import com.android.systemui.statusbar.policy.KeyguardUserSwitcherListView;
 
@@ -160,14 +163,14 @@
         mLogger = new Logger(logBuffer, TAG);
     }
 
-    /**
-     * Refreshes the dimension values.
-     */
-    public void loadDimens(Resources res) {
-        mStatusViewBottomMargin = res.getDimensionPixelSize(
-                R.dimen.keyguard_status_view_bottom_margin);
+    /** Refreshes the dimension values. */
+    public void loadDimens(Context context, Resources res) {
+        mStatusViewBottomMargin =
+                res.getDimensionPixelSize(R.dimen.keyguard_status_view_bottom_margin);
         mSplitShadeTopNotificationsMargin =
-                res.getDimensionPixelSize(R.dimen.large_screen_shade_header_height);
+                centralizedStatusBarDimensRefactor()
+                        ? LargeScreenHeaderHelper.getLargeScreenHeaderHeight(context)
+                        : res.getDimensionPixelSize(R.dimen.large_screen_shade_header_height);
         mSplitShadeTargetTopMargin =
                 res.getDimensionPixelSize(R.dimen.keyguard_split_shade_top_margin);
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
index 7cc0888..7691459 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
@@ -16,6 +16,7 @@
 
 package com.android.systemui.statusbar.phone;
 
+import static com.android.systemui.Flags.centralizedStatusBarDimensRefactor;
 import static com.android.systemui.ScreenDecorations.DisplayCutoutView.boundsFromDirection;
 import static com.android.systemui.util.Utils.getStatusBarHeaderHeightKeyguard;
 
@@ -130,6 +131,9 @@
         mUserSwitcherContainer = findViewById(R.id.user_switcher_container);
         mIsPrivacyDotEnabled = mContext.getResources().getBoolean(R.bool.config_enablePrivacyDot);
         loadDimens();
+        if (!centralizedStatusBarDimensRefactor()) {
+            setGravity(Gravity.CENTER_VERTICAL);
+        }
     }
 
     /**
@@ -307,7 +311,8 @@
         final int minRight = (!isLayoutRtl() && mIsPrivacyDotEnabled)
                 ? Math.max(mMinDotWidth, mPadding.right) : mPadding.right;
 
-        setPadding(minLeft, waterfallTop, minRight, 0);
+        int top = centralizedStatusBarDimensRefactor() ? waterfallTop + mPadding.top : waterfallTop;
+        setPadding(minLeft, top, minRight, 0);
     }
 
     private boolean updateLayoutParamsNoCutout() {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationPanelViewControllerBaseTest.java b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationPanelViewControllerBaseTest.java
index e572dcc..520e43e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationPanelViewControllerBaseTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationPanelViewControllerBaseTest.java
@@ -344,6 +344,7 @@
     @Mock private ActiveNotificationsInteractor mActiveNotificationsInteractor;
     @Mock private KeyguardClockPositionAlgorithm mKeyguardClockPositionAlgorithm;
     @Mock private NaturalScrollingSettingObserver mNaturalScrollingSettingObserver;
+    @Mock private LargeScreenHeaderHelper mLargeScreenHeaderHelper;
 
     protected final int mMaxUdfpsBurnInOffsetY = 5;
     protected FakeFeatureFlagsClassic mFeatureFlags = new FakeFeatureFlagsClassic();
@@ -425,7 +426,8 @@
                                 mContext,
                                 new ResourcesSplitShadeStateController(),
                                 mKeyguardInteractor,
-                                deviceEntryUdfpsInteractor
+                                deviceEntryUdfpsInteractor,
+                                () -> mLargeScreenHeaderHelper
                         ),
                         mShadeRepository
                 )
@@ -806,7 +808,8 @@
                 mActiveNotificationsInteractor,
                 mJavaAdapter,
                 mCastController,
-                new ResourcesSplitShadeStateController()
+                new ResourcesSplitShadeStateController(),
+                () -> mLargeScreenHeaderHelper
         );
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationShadeWindowControllerImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationShadeWindowControllerImplTest.java
index 9d8b214..437d00a 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationShadeWindowControllerImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationShadeWindowControllerImplTest.java
@@ -143,6 +143,7 @@
     @Mock private SelectedUserInteractor mSelectedUserInteractor;
     @Mock private UserTracker mUserTracker;
     @Mock private SceneContainerFlags mSceneContainerFlags;
+    @Mock private LargeScreenHeaderHelper mLargeScreenHeaderHelper;
     @Captor private ArgumentCaptor<WindowManager.LayoutParams> mLayoutParameters;
     @Captor private ArgumentCaptor<StatusBarStateController.StateListener> mStateListener;
 
@@ -261,7 +262,8 @@
                                 mContext,
                                 new ResourcesSplitShadeStateController(),
                                 keyguardInteractor,
-                                deviceEntryUdfpsInteractor),
+                                deviceEntryUdfpsInteractor,
+                                () -> mLargeScreenHeaderHelper),
                         shadeRepository
                 )
         );
diff --git a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationsQSContainerControllerLegacyTest.kt b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationsQSContainerControllerLegacyTest.kt
index 88a47eb..ea3caa3 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationsQSContainerControllerLegacyTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationsQSContainerControllerLegacyTest.kt
@@ -42,6 +42,7 @@
 import com.android.systemui.statusbar.policy.ResourcesSplitShadeStateController
 import com.android.systemui.util.concurrency.FakeExecutor
 import com.android.systemui.util.mockito.capture
+import com.android.systemui.util.mockito.mock
 import com.android.systemui.util.mockito.whenever
 import com.android.systemui.util.time.FakeSystemClock
 import com.google.common.truth.Truth.assertThat
@@ -52,7 +53,6 @@
 import org.junit.runner.RunWith
 import org.mockito.ArgumentCaptor
 import org.mockito.Captor
-import org.mockito.Mock
 import org.mockito.Mockito
 import org.mockito.Mockito.RETURNS_DEEP_STUBS
 import org.mockito.Mockito.any
@@ -74,15 +74,16 @@
 @SmallTest
 class NotificationsQSContainerControllerLegacyTest : SysuiTestCase() {
 
-    @Mock lateinit var view: NotificationsQuickSettingsContainer
-    @Mock lateinit var navigationModeController: NavigationModeController
-    @Mock lateinit var overviewProxyService: OverviewProxyService
-    @Mock lateinit var shadeHeaderController: ShadeHeaderController
-    @Mock lateinit var shadeInteractor: ShadeInteractor
-    @Mock lateinit var fragmentService: FragmentService
-    @Mock lateinit var fragmentHostManager: FragmentHostManager
-    @Mock
-    lateinit var notificationStackScrollLayoutController: NotificationStackScrollLayoutController
+    private val view = mock<NotificationsQuickSettingsContainer>()
+    private val navigationModeController = mock<NavigationModeController>()
+    private val overviewProxyService = mock<OverviewProxyService>()
+    private val shadeHeaderController = mock<ShadeHeaderController>()
+    private val shadeInteractor = mock<ShadeInteractor>()
+    private val fragmentService = mock<FragmentService>()
+    private val fragmentHostManager = mock<FragmentHostManager>()
+    private val notificationStackScrollLayoutController =
+        mock<NotificationStackScrollLayoutController>()
+    private val largeScreenHeaderHelper = mock<LargeScreenHeaderHelper>()
 
     @Captor lateinit var navigationModeCaptor: ArgumentCaptor<ModeChangedListener>
     @Captor lateinit var taskbarVisibilityCaptor: ArgumentCaptor<OverviewProxyListener>
@@ -123,7 +124,8 @@
                 delayableExecutor,
                 featureFlags,
                 notificationStackScrollLayoutController,
-                ResourcesSplitShadeStateController()
+                ResourcesSplitShadeStateController(),
+                largeScreenHeaderHelperLazy = { largeScreenHeaderHelper }
             )
 
         overrideResource(R.dimen.split_shade_notifications_scrim_margin_bottom, SCRIM_MARGIN)
@@ -480,7 +482,8 @@
                 delayableExecutor,
                 featureFlags,
                 notificationStackScrollLayoutController,
-                ResourcesSplitShadeStateController()
+                ResourcesSplitShadeStateController(),
+                largeScreenHeaderHelperLazy = { largeScreenHeaderHelper }
             )
         controller.updateConstraints()
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationsQSContainerControllerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationsQSContainerControllerTest.kt
index 1f37ca0..c1bc303 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationsQSContainerControllerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationsQSContainerControllerTest.kt
@@ -43,6 +43,7 @@
 import com.android.systemui.statusbar.policy.ResourcesSplitShadeStateController
 import com.android.systemui.util.concurrency.FakeExecutor
 import com.android.systemui.util.mockito.capture
+import com.android.systemui.util.mockito.mock
 import com.android.systemui.util.mockito.whenever
 import com.android.systemui.util.time.FakeSystemClock
 import com.google.common.truth.Truth.assertThat
@@ -53,7 +54,6 @@
 import org.junit.runner.RunWith
 import org.mockito.ArgumentCaptor
 import org.mockito.Captor
-import org.mockito.Mock
 import org.mockito.Mockito
 import org.mockito.Mockito.RETURNS_DEEP_STUBS
 import org.mockito.Mockito.any
@@ -71,15 +71,16 @@
 @SmallTest
 class NotificationsQSContainerControllerTest : SysuiTestCase() {
 
-    @Mock lateinit var view: NotificationsQuickSettingsContainer
-    @Mock lateinit var navigationModeController: NavigationModeController
-    @Mock lateinit var overviewProxyService: OverviewProxyService
-    @Mock lateinit var shadeHeaderController: ShadeHeaderController
-    @Mock lateinit var shadeInteractor: ShadeInteractor
-    @Mock lateinit var fragmentService: FragmentService
-    @Mock lateinit var fragmentHostManager: FragmentHostManager
-    @Mock
-    lateinit var notificationStackScrollLayoutController: NotificationStackScrollLayoutController
+    private val view = mock<NotificationsQuickSettingsContainer>()
+    private val navigationModeController = mock<NavigationModeController>()
+    private val overviewProxyService = mock<OverviewProxyService>()
+    private val shadeHeaderController = mock<ShadeHeaderController>()
+    private val shadeInteractor = mock<ShadeInteractor>()
+    private val fragmentService = mock<FragmentService>()
+    private val fragmentHostManager = mock<FragmentHostManager>()
+    private val notificationStackScrollLayoutController =
+        mock<NotificationStackScrollLayoutController>()
+    private val largeScreenHeaderHelper = mock<LargeScreenHeaderHelper>()
 
     @Captor lateinit var navigationModeCaptor: ArgumentCaptor<ModeChangedListener>
     @Captor lateinit var taskbarVisibilityCaptor: ArgumentCaptor<OverviewProxyListener>
@@ -122,7 +123,8 @@
                 delayableExecutor,
                 featureFlags,
                 notificationStackScrollLayoutController,
-                ResourcesSplitShadeStateController()
+                ResourcesSplitShadeStateController(),
+                largeScreenHeaderHelperLazy = { largeScreenHeaderHelper }
             )
 
         overrideResource(R.dimen.split_shade_notifications_scrim_margin_bottom, SCRIM_MARGIN)
@@ -463,7 +465,8 @@
                 delayableExecutor,
                 featureFlags,
                 notificationStackScrollLayoutController,
-                ResourcesSplitShadeStateController()
+                ResourcesSplitShadeStateController(),
+                largeScreenHeaderHelperLazy = { largeScreenHeaderHelper }
             )
         controller.updateConstraints()
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/shade/QuickSettingsControllerBaseTest.java b/packages/SystemUI/tests/src/com/android/systemui/shade/QuickSettingsControllerBaseTest.java
index eb5633b..c631e33 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/shade/QuickSettingsControllerBaseTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/shade/QuickSettingsControllerBaseTest.java
@@ -176,6 +176,7 @@
     @Mock protected CastController mCastController;
     @Mock protected UserSwitcherInteractor mUserSwitcherInteractor;
     @Mock protected SelectedUserInteractor mSelectedUserInteractor;
+    @Mock protected LargeScreenHeaderHelper mLargeScreenHeaderHelper;
 
     protected FakeDisableFlagsRepository mDisableFlagsRepository =
             new FakeDisableFlagsRepository();
@@ -299,7 +300,8 @@
                                 mContext,
                                 splitShadeStateController,
                                 keyguardInteractor,
-                                deviceEntryUdfpsInteractor),
+                                deviceEntryUdfpsInteractor,
+                                () -> mLargeScreenHeaderHelper),
                         mShadeRepository
                 )
         );
@@ -384,7 +386,8 @@
                 mActiveNotificationsInteractor,
                 new JavaAdapter(mTestScope.getBackgroundScope()),
                 mCastController,
-                splitShadeStateController
+                splitShadeStateController,
+                () -> mLargeScreenHeaderHelper
         );
         mQsController.init();
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarStateControllerImplTest.kt b/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarStateControllerImplTest.kt
index f25ce0a..aed6163 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarStateControllerImplTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/StatusBarStateControllerImplTest.kt
@@ -27,7 +27,7 @@
 import com.android.systemui.classifier.FalsingCollectorFake
 import com.android.systemui.common.ui.data.repository.FakeConfigurationRepository
 import com.android.systemui.common.ui.domain.interactor.ConfigurationInteractor
-import com.android.systemui.deviceentry.domain.interactor.DeviceEntryUdfpsInteractor;
+import com.android.systemui.deviceentry.domain.interactor.DeviceEntryUdfpsInteractor
 import com.android.systemui.flags.FakeFeatureFlagsClassic
 import com.android.systemui.keyguard.data.repository.FakeCommandQueue
 import com.android.systemui.keyguard.data.repository.FakeKeyguardRepository
@@ -44,6 +44,7 @@
 import com.android.systemui.power.domain.interactor.PowerInteractor
 import com.android.systemui.scene.SceneTestUtils
 import com.android.systemui.scene.shared.flag.FakeSceneContainerFlags
+import com.android.systemui.shade.LargeScreenHeaderHelper
 import com.android.systemui.shade.data.repository.FakeShadeRepository
 import com.android.systemui.shade.domain.interactor.ShadeInteractor
 import com.android.systemui.shade.domain.interactor.ShadeInteractorImpl
@@ -65,7 +66,6 @@
 import org.mockito.ArgumentMatchers.anyFloat
 import org.mockito.ArgumentMatchers.anyInt
 import org.mockito.ArgumentMatchers.eq
-import org.mockito.Mock
 import org.mockito.Mockito
 import org.mockito.Mockito.mock
 import org.mockito.Mockito.verify
@@ -83,9 +83,10 @@
     private lateinit var fromLockscreenTransitionInteractor: FromLockscreenTransitionInteractor
     private lateinit var fromPrimaryBouncerTransitionInteractor:
         FromPrimaryBouncerTransitionInteractor
-    @Mock lateinit var interactionJankMonitor: InteractionJankMonitor
-    @Mock lateinit var mockDarkAnimator: ObjectAnimator
-    @Mock lateinit var deviceEntryUdfpsInteractor: DeviceEntryUdfpsInteractor
+    private val interactionJankMonitor = mock<InteractionJankMonitor>()
+    private val mockDarkAnimator = mock<ObjectAnimator>()
+    private val deviceEntryUdfpsInteractor = mock<DeviceEntryUdfpsInteractor>()
+    private val largeScreenHeaderHelper = mock<LargeScreenHeaderHelper>()
 
     private lateinit var controller: StatusBarStateControllerImpl
     private lateinit var uiEventLogger: UiEventLoggerFake
@@ -189,6 +190,7 @@
                         ResourcesSplitShadeStateController(),
                         keyguardInteractor,
                         deviceEntryUdfpsInteractor,
+                        largeScreenHeaderHelperLazy = { largeScreenHeaderHelper }
                     ),
                     shadeRepository,
                 )
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardClockPositionAlgorithmTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardClockPositionAlgorithmTest.java
index 3556703..4dc4798 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardClockPositionAlgorithmTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardClockPositionAlgorithmTest.java
@@ -84,7 +84,7 @@
         LogBuffer logBuffer = FakeLogBuffer.Factory.Companion.create();
         mClockPositionAlgorithm = new KeyguardClockPositionAlgorithm(logBuffer);
         when(mResources.getDimensionPixelSize(anyInt())).thenReturn(0);
-        mClockPositionAlgorithm.loadDimens(mResources);
+        mClockPositionAlgorithm.loadDimens(mContext, mResources);
 
         mClockPosition = new KeyguardClockPositionAlgorithm.Result();
     }
@@ -297,7 +297,7 @@
                 .thenReturn(100);
         when(mResources.getDimensionPixelSize(R.dimen.large_screen_shade_header_height))
                 .thenReturn(70);
-        mClockPositionAlgorithm.loadDimens(mResources);
+        mClockPositionAlgorithm.loadDimens(mContext, mResources);
         givenLockScreen();
         mIsSplitShade = true;
         // WHEN the position algorithm is run
@@ -589,7 +589,7 @@
     private void setSplitShadeTopMargin(int value) {
         when(mResources.getDimensionPixelSize(R.dimen.keyguard_split_shade_top_margin))
                 .thenReturn(value);
-        mClockPositionAlgorithm.loadDimens(mResources);
+        mClockPositionAlgorithm.loadDimens(mContext, mResources);
     }
 
     private void givenHighestBurnInOffset() {
@@ -603,7 +603,7 @@
     private void givenMaxBurnInOffset(int offset) {
         when(mResources.getDimensionPixelSize(R.dimen.burn_in_prevention_offset_y_clock))
                 .thenReturn(offset);
-        mClockPositionAlgorithm.loadDimens(mResources);
+        mClockPositionAlgorithm.loadDimens(mContext, mResources);
     }
 
     private void givenAOD() {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/wmshell/BubblesTest.java b/packages/SystemUI/tests/src/com/android/systemui/wmshell/BubblesTest.java
index 814ea19..b7529a8 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/wmshell/BubblesTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/wmshell/BubblesTest.java
@@ -126,6 +126,7 @@
 import com.android.systemui.scene.shared.logger.SceneLogger;
 import com.android.systemui.settings.FakeDisplayTracker;
 import com.android.systemui.settings.UserTracker;
+import com.android.systemui.shade.LargeScreenHeaderHelper;
 import com.android.systemui.shade.NotificationShadeWindowControllerImpl;
 import com.android.systemui.shade.NotificationShadeWindowView;
 import com.android.systemui.shade.ShadeController;
@@ -349,6 +350,8 @@
     private Display mDefaultDisplay;
     @Mock
     private SceneContainerFlags mSceneContainerFlags;
+    @Mock
+    private LargeScreenHeaderHelper mLargeScreenHeaderHelper;
 
     private final SceneTestUtils mUtils = new SceneTestUtils(this);
     private final TestScope mTestScope = mUtils.getTestScope();
@@ -490,7 +493,8 @@
                                         mContext,
                                         splitShadeStateController,
                                         keyguardInteractor,
-                                        deviceEntryUdfpsInteractor),
+                                        deviceEntryUdfpsInteractor,
+                                        () -> mLargeScreenHeaderHelper),
                                 shadeRepository
                         )
                 );
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/shade/LargeScreenHeaderHelperKosmos.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/shade/LargeScreenHeaderHelperKosmos.kt
new file mode 100644
index 0000000..d3e7574
--- /dev/null
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/shade/LargeScreenHeaderHelperKosmos.kt
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.shade
+
+import com.android.systemui.kosmos.Kosmos
+import com.android.systemui.kosmos.Kosmos.Fixture
+import com.android.systemui.util.mockito.mock
+
+var Kosmos.largeScreenHeaderHelper by Fixture { mockLargeScreenHeaderHelper }
+val Kosmos.mockLargeScreenHeaderHelper by Fixture { mock<LargeScreenHeaderHelper>() }
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/notification/stack/domain/interactor/SharedNotificationContainerInteractorKosmos.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/notification/stack/domain/interactor/SharedNotificationContainerInteractorKosmos.kt
index 13d577b..8909d75 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/notification/stack/domain/interactor/SharedNotificationContainerInteractorKosmos.kt
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/notification/stack/domain/interactor/SharedNotificationContainerInteractorKosmos.kt
@@ -21,6 +21,7 @@
 import com.android.systemui.deviceentry.domain.interactor.deviceEntryUdfpsInteractor
 import com.android.systemui.keyguard.domain.interactor.keyguardInteractor
 import com.android.systemui.kosmos.Kosmos
+import com.android.systemui.shade.largeScreenHeaderHelper
 import com.android.systemui.statusbar.policy.splitShadeStateController
 
 val Kosmos.sharedNotificationContainerInteractor by
@@ -31,5 +32,6 @@
             splitShadeStateController = splitShadeStateController,
             keyguardInteractor = keyguardInteractor,
             deviceEntryUdfpsInteractor = deviceEntryUdfpsInteractor,
+            largeScreenHeaderHelperLazy = { largeScreenHeaderHelper }
         )
     }