diff --git a/core/java/android/service/dreams/DreamOverlayService.java b/core/java/android/service/dreams/DreamOverlayService.java
index 163d6ed4b18ba..432444211bced 100644
--- a/core/java/android/service/dreams/DreamOverlayService.java
+++ b/core/java/android/service/dreams/DreamOverlayService.java
@@ -20,6 +20,7 @@ import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.TestApi;
 import android.app.Service;
+import android.content.ComponentName;
 import android.content.Intent;
 import android.os.IBinder;
 import android.os.RemoteException;
@@ -36,6 +37,7 @@ public abstract class DreamOverlayService extends Service {
     private static final String TAG = "DreamOverlayService";
     private static final boolean DEBUG = false;
     private boolean mShowComplications;
+    private ComponentName mDreamComponent;
 
     private IDreamOverlay mDreamOverlay = new IDreamOverlay.Stub() {
         @Override
@@ -56,6 +58,8 @@ public abstract class DreamOverlayService extends Service {
     public final IBinder onBind(@NonNull Intent intent) {
         mShowComplications = intent.getBooleanExtra(DreamService.EXTRA_SHOW_COMPLICATIONS,
                 DreamService.DEFAULT_SHOW_COMPLICATIONS);
+        mDreamComponent = intent.getParcelableExtra(DreamService.EXTRA_DREAM_COMPONENT,
+                ComponentName.class);
         return mDreamOverlay.asBinder();
     }
 
@@ -84,4 +88,12 @@ public abstract class DreamOverlayService extends Service {
     public final boolean shouldShowComplications() {
         return mShowComplications;
     }
+
+    /**
+     * Returns the active dream component.
+     * @hide
+     */
+    public final ComponentName getDreamComponent() {
+        return mDreamComponent;
+    }
 }
diff --git a/core/java/android/service/dreams/DreamService.java b/core/java/android/service/dreams/DreamService.java
index 75155383855bd..d066ee7730066 100644
--- a/core/java/android/service/dreams/DreamService.java
+++ b/core/java/android/service/dreams/DreamService.java
@@ -217,6 +217,12 @@ public class DreamService extends Service implements Window.Callback {
     public static final String EXTRA_SHOW_COMPLICATIONS =
             "android.service.dreams.SHOW_COMPLICATIONS";
 
+    /**
+     * Extra containing the component name for the active dream.
+     * @hide
+     */
+    public static final String EXTRA_DREAM_COMPONENT = "android.service.dreams.DREAM_COMPONENT";
+
     /**
      * The default value for whether to show complications on the overlay.
      * @hide
@@ -271,6 +277,7 @@ public class DreamService extends Service implements Window.Callback {
             overlayIntent.setComponent(overlayService);
             overlayIntent.putExtra(EXTRA_SHOW_COMPLICATIONS,
                     fetchShouldShowComplications(context, serviceInfo));
+            overlayIntent.putExtra(EXTRA_DREAM_COMPONENT, dreamService);
 
             context.bindService(overlayIntent,
                     this, Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE);
diff --git a/packages/SystemUI/Android.bp b/packages/SystemUI/Android.bp
index f50dc74210e69..df6f08df7c56c 100644
--- a/packages/SystemUI/Android.bp
+++ b/packages/SystemUI/Android.bp
@@ -124,6 +124,7 @@ android_library {
         "dagger2",
         "jsr330",
         "lottie",
+        "LowLightDreamLib",
     ],
     manifest: "AndroidManifest.xml",
 
@@ -227,6 +228,7 @@ android_library {
         "dagger2",
         "jsr330",
         "WindowManager-Shell",
+        "LowLightDreamLib",
     ],
     libs: [
         "android.test.runner",
diff --git a/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayService.java b/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayService.java
index 96f77b3654c58..696fc7254308d 100644
--- a/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayService.java
+++ b/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayService.java
@@ -16,6 +16,7 @@
 
 package com.android.systemui.dreams;
 
+import android.content.ComponentName;
 import android.content.Context;
 import android.graphics.drawable.ColorDrawable;
 import android.util.Log;
@@ -26,11 +27,13 @@ import android.view.WindowInsets;
 import android.view.WindowManager;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.lifecycle.Lifecycle;
 import androidx.lifecycle.LifecycleRegistry;
 import androidx.lifecycle.ViewModelStore;
 
+import com.android.dream.lowlight.dagger.LowLightDreamModule;
 import com.android.internal.logging.UiEvent;
 import com.android.internal.logging.UiEventLogger;
 import com.android.internal.policy.PhoneWindow;
@@ -44,6 +47,7 @@ import com.android.systemui.dreams.touch.DreamOverlayTouchMonitor;
 import java.util.concurrent.Executor;
 
 import javax.inject.Inject;
+import javax.inject.Named;
 
 /**
  * The {@link DreamOverlayService} is responsible for placing an overlay on top of a dream. The
@@ -62,6 +66,8 @@ public class DreamOverlayService extends android.service.dreams.DreamOverlayServ
     // content area).
     private final DreamOverlayContainerViewController mDreamOverlayContainerViewController;
     private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
+    @Nullable
+    private final ComponentName mLowLightDreamComponent;
     private final UiEventLogger mUiEventLogger;
 
     // A reference to the {@link Window} used to hold the dream overlay.
@@ -125,10 +131,13 @@ public class DreamOverlayService extends android.service.dreams.DreamOverlayServ
             DreamOverlayComponent.Factory dreamOverlayComponentFactory,
             DreamOverlayStateController stateController,
             KeyguardUpdateMonitor keyguardUpdateMonitor,
-            UiEventLogger uiEventLogger) {
+            UiEventLogger uiEventLogger,
+            @Nullable @Named(LowLightDreamModule.LOW_LIGHT_DREAM_COMPONENT)
+                    ComponentName lowLightDreamComponent) {
         mContext = context;
         mExecutor = executor;
         mKeyguardUpdateMonitor = keyguardUpdateMonitor;
+        mLowLightDreamComponent = lowLightDreamComponent;
         mKeyguardUpdateMonitor.registerCallback(mKeyguardCallback);
         mStateController = stateController;
         mUiEventLogger = uiEventLogger;
@@ -155,6 +164,7 @@ public class DreamOverlayService extends android.service.dreams.DreamOverlayServ
             windowManager.removeView(mWindow.getDecorView());
         }
         mStateController.setOverlayActive(false);
+        mStateController.setLowLightActive(false);
         mDestroyed = true;
         super.onDestroy();
     }
@@ -163,6 +173,9 @@ public class DreamOverlayService extends android.service.dreams.DreamOverlayServ
     public void onStartDream(@NonNull WindowManager.LayoutParams layoutParams) {
         mUiEventLogger.log(DreamOverlayEvent.DREAM_OVERLAY_ENTER_START);
         setCurrentState(Lifecycle.State.STARTED);
+        final ComponentName dreamComponent = getDreamComponent();
+        mStateController.setLowLightActive(
+                dreamComponent != null && dreamComponent.equals(mLowLightDreamComponent));
         mExecutor.execute(() -> {
             if (mDestroyed) {
                 // The task could still be executed after the service has been destroyed. Bail if
diff --git a/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayStateController.java b/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayStateController.java
index 69e41ba9b284b..72feaca59ace1 100644
--- a/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayStateController.java
+++ b/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayStateController.java
@@ -50,6 +50,7 @@ public class DreamOverlayStateController implements
     private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
 
     public static final int STATE_DREAM_OVERLAY_ACTIVE = 1 << 0;
+    public static final int STATE_LOW_LIGHT_ACTIVE = 1 << 1;
 
     private static final int OP_CLEAR_STATE = 1;
     private static final int OP_SET_STATE = 2;
@@ -193,6 +194,14 @@ public class DreamOverlayStateController implements
         return containsState(STATE_DREAM_OVERLAY_ACTIVE);
     }
 
+    /**
+     * Returns whether low light mode is active.
+     * @return {@code true} if in low light mode, {@code false} otherwise.
+     */
+    public boolean isLowLightActive() {
+        return containsState(STATE_LOW_LIGHT_ACTIVE);
+    }
+
     private boolean containsState(int state) {
         return (mState & state) != 0;
     }
@@ -221,6 +230,14 @@ public class DreamOverlayStateController implements
         modifyState(active ? OP_SET_STATE : OP_CLEAR_STATE, STATE_DREAM_OVERLAY_ACTIVE);
     }
 
+    /**
+     * Sets whether low light mode is active.
+     * @param active {@code true} if low light mode is active, {@code false} otherwise.
+     */
+    public void setLowLightActive(boolean active) {
+        modifyState(active ? OP_SET_STATE : OP_CLEAR_STATE, STATE_LOW_LIGHT_ACTIVE);
+    }
+
     /**
      * Returns the available complication types.
      */
diff --git a/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayStatusBarViewController.java b/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayStatusBarViewController.java
index aa59cc666caab..bb1c4303041ad 100644
--- a/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayStatusBarViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/dreams/DreamOverlayStatusBarViewController.java
@@ -20,7 +20,6 @@ import static android.app.StatusBarManager.WINDOW_STATE_HIDDEN;
 import static android.app.StatusBarManager.WINDOW_STATE_HIDING;
 import static android.app.StatusBarManager.WINDOW_STATE_SHOWING;
 
-import android.annotation.Nullable;
 import android.app.AlarmManager;
 import android.app.StatusBarManager;
 import android.content.res.Resources;
@@ -36,6 +35,8 @@ import android.text.format.DateFormat;
 import android.util.PluralsMessageFormatter;
 import android.view.View;
 
+import androidx.annotation.Nullable;
+
 import com.android.systemui.R;
 import com.android.systemui.dagger.qualifiers.Main;
 import com.android.systemui.dreams.DreamOverlayStatusBarItemsProvider.StatusBarItem;
@@ -73,6 +74,8 @@ public class DreamOverlayStatusBarViewController extends ViewController<DreamOve
     private final Optional<DreamOverlayNotificationCountProvider>
             mDreamOverlayNotificationCountProvider;
     private final ZenModeController mZenModeController;
+    private final DreamOverlayStateController mDreamOverlayStateController;
+    private final StatusBarWindowStateController mStatusBarWindowStateController;
     private final DreamOverlayStatusBarItemsProvider mStatusBarItemsProvider;
     private final Executor mMainExecutor;
     private final List<DreamOverlayStatusBarItemsProvider.StatusBarItem> mExtraStatusBarItems =
@@ -102,6 +105,14 @@ public class DreamOverlayStatusBarViewController extends ViewController<DreamOve
         }
     };
 
+    private final DreamOverlayStateController.Callback mDreamOverlayStateCallback =
+            new DreamOverlayStateController.Callback() {
+                @Override
+                public void onStateChanged() {
+                    updateLowLightState();
+                }
+            };
+
     private final IndividualSensorPrivacyController.Callback mSensorCallback =
             (sensor, blocked) -> updateMicCameraBlockedStatusIcon();
 
@@ -140,7 +151,8 @@ public class DreamOverlayStatusBarViewController extends ViewController<DreamOve
             Optional<DreamOverlayNotificationCountProvider> dreamOverlayNotificationCountProvider,
             ZenModeController zenModeController,
             StatusBarWindowStateController statusBarWindowStateController,
-            DreamOverlayStatusBarItemsProvider statusBarItemsProvider) {
+            DreamOverlayStatusBarItemsProvider statusBarItemsProvider,
+            DreamOverlayStateController dreamOverlayStateController) {
         super(view);
         mResources = resources;
         mMainExecutor = mainExecutor;
@@ -151,8 +163,10 @@ public class DreamOverlayStatusBarViewController extends ViewController<DreamOve
         mDateFormatUtil = dateFormatUtil;
         mSensorPrivacyController = sensorPrivacyController;
         mDreamOverlayNotificationCountProvider = dreamOverlayNotificationCountProvider;
+        mStatusBarWindowStateController = statusBarWindowStateController;
         mStatusBarItemsProvider = statusBarItemsProvider;
         mZenModeController = zenModeController;
+        mDreamOverlayStateController = dreamOverlayStateController;
 
         // Register to receive show/hide updates for the system status bar. Our custom status bar
         // needs to hide when the system status bar is showing to ovoid overlapping status bars.
@@ -180,6 +194,9 @@ public class DreamOverlayStatusBarViewController extends ViewController<DreamOve
 
         mStatusBarItemsProvider.addCallback(mStatusBarItemsProviderCallback);
 
+        mDreamOverlayStateController.addCallback(mDreamOverlayStateCallback);
+        updateLowLightState();
+
         mTouchInsetSession.addViewToTracking(mView);
     }
 
@@ -193,6 +210,7 @@ public class DreamOverlayStatusBarViewController extends ViewController<DreamOve
                 provider -> provider.removeCallback(mNotificationCountCallback));
         mStatusBarItemsProvider.removeCallback(mStatusBarItemsProviderCallback);
         mView.removeAllExtraStatusBarItemViews();
+        mDreamOverlayStateController.removeCallback(mDreamOverlayStateCallback);
         mTouchInsetSession.clear();
 
         mIsAttached = false;
@@ -217,6 +235,15 @@ public class DreamOverlayStatusBarViewController extends ViewController<DreamOve
                 hasAlarm ? buildAlarmContentDescription(alarm) : null);
     }
 
+    private void updateLowLightState() {
+        int visibility = View.VISIBLE;
+        if (mDreamOverlayStateController.isLowLightActive()
+                || mStatusBarWindowStateController.windowIsShowing()) {
+            visibility = View.INVISIBLE;
+        }
+        mView.setVisibility(visibility);
+    }
+
     private String buildAlarmContentDescription(AlarmManager.AlarmClockInfo alarm) {
         final String skeleton = mDateFormatUtil.is24HourFormat() ? "EHm" : "Ehma";
         final String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), skeleton);
@@ -272,7 +299,7 @@ public class DreamOverlayStatusBarViewController extends ViewController<DreamOve
 
     private void onSystemStatusBarStateChanged(@StatusBarManager.WindowVisibleState int state) {
         mMainExecutor.execute(() -> {
-            if (!mIsAttached) {
+            if (!mIsAttached || mDreamOverlayStateController.isLowLightActive()) {
                 return;
             }
 
diff --git a/packages/SystemUI/src/com/android/systemui/dreams/dagger/DreamModule.java b/packages/SystemUI/src/com/android/systemui/dreams/dagger/DreamModule.java
index 2dd2098a78b96..f9dca08ae14f7 100644
--- a/packages/SystemUI/src/com/android/systemui/dreams/dagger/DreamModule.java
+++ b/packages/SystemUI/src/com/android/systemui/dreams/dagger/DreamModule.java
@@ -19,6 +19,7 @@ package com.android.systemui.dreams.dagger;
 import android.content.Context;
 import android.content.res.Resources;
 
+import com.android.dream.lowlight.dagger.LowLightDreamModule;
 import com.android.settingslib.dream.DreamBackend;
 import com.android.systemui.dagger.SysUISingleton;
 import com.android.systemui.dagger.qualifiers.Main;
@@ -37,6 +38,7 @@ import dagger.Provides;
  */
 @Module(includes = {
             RegisteredComplicationsModule.class,
+            LowLightDreamModule.class,
         },
         subcomponents = {
             DreamOverlayComponent.class,
diff --git a/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayServiceTest.java b/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayServiceTest.java
index 9d4275e65302c..eec33ca2ff78d 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayServiceTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayServiceTest.java
@@ -23,8 +23,10 @@ import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.content.ComponentName;
 import android.content.Intent;
 import android.os.IBinder;
+import android.os.RemoteException;
 import android.service.dreams.DreamService;
 import android.service.dreams.IDreamOverlay;
 import android.service.dreams.IDreamOverlayCallback;
@@ -57,6 +59,8 @@ import org.mockito.MockitoAnnotations;
 @SmallTest
 @RunWith(AndroidTestingRunner.class)
 public class DreamOverlayServiceTest extends SysuiTestCase {
+    private static final ComponentName LOW_LIGHT_COMPONENT = new ComponentName("package",
+            "lowlight");
     private final FakeSystemClock mFakeSystemClock = new FakeSystemClock();
     private final FakeExecutor mMainExecutor = new FakeExecutor(mFakeSystemClock);
 
@@ -129,7 +133,8 @@ public class DreamOverlayServiceTest extends SysuiTestCase {
                 mDreamOverlayComponentFactory,
                 mStateController,
                 mKeyguardUpdateMonitor,
-                mUiEventLogger);
+                mUiEventLogger,
+                LOW_LIGHT_COMPONENT);
     }
 
     @Test
@@ -203,6 +208,22 @@ public class DreamOverlayServiceTest extends SysuiTestCase {
         assertThat(mService.shouldShowComplications()).isTrue();
     }
 
+    @Test
+    public void testLowLightSetByIntentExtra() throws RemoteException {
+        final Intent intent = new Intent();
+        intent.putExtra(DreamService.EXTRA_DREAM_COMPONENT, LOW_LIGHT_COMPONENT);
+
+        final IBinder proxy = mService.onBind(intent);
+        final IDreamOverlay overlay = IDreamOverlay.Stub.asInterface(proxy);
+        assertThat(mService.getDreamComponent()).isEqualTo(LOW_LIGHT_COMPONENT);
+
+        // Inform the overlay service of dream starting.
+        overlay.startDream(mWindowParams, mDreamOverlayCallback);
+        mMainExecutor.runAllReady();
+
+        verify(mStateController).setLowLightActive(true);
+    }
+
     @Test
     public void testDestroy() {
         mService.onDestroy();
@@ -211,6 +232,7 @@ public class DreamOverlayServiceTest extends SysuiTestCase {
         verify(mKeyguardUpdateMonitor).removeCallback(any());
         verify(mLifecycleRegistry).setCurrentState(Lifecycle.State.DESTROYED);
         verify(mStateController).setOverlayActive(false);
+        verify(mStateController).setLowLightActive(false);
     }
 
     @Test
diff --git a/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayStateControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayStateControllerTest.java
index 2adf2857a3858..d1d32a13589a4 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayStateControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayStateControllerTest.java
@@ -218,4 +218,20 @@ public class DreamOverlayStateControllerTest extends SysuiTestCase {
         assertThat(stateController.getComplications(true).contains(complication))
                 .isTrue();
     }
+
+    @Test
+    public void testNotifyLowLightChanged() {
+        final DreamOverlayStateController stateController =
+                new DreamOverlayStateController(mExecutor);
+
+        stateController.addCallback(mCallback);
+        mExecutor.runAllReady();
+        assertThat(stateController.isLowLightActive()).isFalse();
+
+        stateController.setLowLightActive(true);
+
+        mExecutor.runAllReady();
+        verify(mCallback, times(1)).onStateChanged();
+        assertThat(stateController.isLowLightActive()).isTrue();
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayStatusBarViewControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayStatusBarViewControllerTest.java
index 4ebae98d1246d..aa021781296a2 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayStatusBarViewControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/dreams/DreamOverlayStatusBarViewControllerTest.java
@@ -24,6 +24,7 @@ import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.ArgumentMatchers.isNull;
 import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -101,6 +102,8 @@ public class DreamOverlayStatusBarViewControllerTest extends SysuiTestCase {
     DreamOverlayStatusBarItemsProvider.StatusBarItem mStatusBarItem;
     @Mock
     View mStatusBarItemView;
+    @Mock
+    DreamOverlayStateController mDreamOverlayStateController;
 
     private final Executor mMainExecutor = Runnable::run;
 
@@ -126,7 +129,8 @@ public class DreamOverlayStatusBarViewControllerTest extends SysuiTestCase {
                 Optional.of(mDreamOverlayNotificationCountProvider),
                 mZenModeController,
                 mStatusBarWindowStateController,
-                mDreamOverlayStatusBarItemsProvider);
+                mDreamOverlayStatusBarItemsProvider,
+                mDreamOverlayStateController);
     }
 
     @Test
@@ -137,6 +141,7 @@ public class DreamOverlayStatusBarViewControllerTest extends SysuiTestCase {
         verify(mZenModeController).addCallback(any());
         verify(mDreamOverlayNotificationCountProvider).addCallback(any());
         verify(mDreamOverlayStatusBarItemsProvider).addCallback(any());
+        verify(mDreamOverlayStateController).addCallback(any());
     }
 
     @Test
@@ -266,7 +271,8 @@ public class DreamOverlayStatusBarViewControllerTest extends SysuiTestCase {
                 Optional.empty(),
                 mZenModeController,
                 mStatusBarWindowStateController,
-                mDreamOverlayStatusBarItemsProvider);
+                mDreamOverlayStatusBarItemsProvider,
+                mDreamOverlayStateController);
         controller.onViewAttached();
         verify(mView, never()).showIcon(
                 eq(DreamOverlayStatusBarView.STATUS_ICON_NOTIFICATIONS), eq(true), any());
@@ -305,6 +311,7 @@ public class DreamOverlayStatusBarViewControllerTest extends SysuiTestCase {
         verify(mZenModeController).removeCallback(any());
         verify(mDreamOverlayNotificationCountProvider).removeCallback(any());
         verify(mDreamOverlayStatusBarItemsProvider).removeCallback(any());
+        verify(mDreamOverlayStateController).removeCallback(any());
     }
 
     @Test
@@ -458,6 +465,7 @@ public class DreamOverlayStatusBarViewControllerTest extends SysuiTestCase {
     @Test
     public void testStatusBarShownWhenSystemStatusBarHidden() {
         mController.onViewAttached();
+        reset(mView);
 
         final ArgumentCaptor<StatusBarWindowStateListener>
                 callbackCapture = ArgumentCaptor.forClass(StatusBarWindowStateListener.class);
@@ -471,6 +479,7 @@ public class DreamOverlayStatusBarViewControllerTest extends SysuiTestCase {
     public void testUnattachedStatusBarVisibilityUnchangedWhenSystemStatusBarHidden() {
         mController.onViewAttached();
         mController.onViewDetached();
+        reset(mView);
 
         final ArgumentCaptor<StatusBarWindowStateListener>
                 callbackCapture = ArgumentCaptor.forClass(StatusBarWindowStateListener.class);
@@ -493,4 +502,21 @@ public class DreamOverlayStatusBarViewControllerTest extends SysuiTestCase {
 
         verify(mView).setExtraStatusBarItemViews(List.of(mStatusBarItemView));
     }
+
+    @Test
+    public void testLowLightHidesStatusBar() {
+        when(mDreamOverlayStateController.isLowLightActive()).thenReturn(true);
+        mController.onViewAttached();
+
+        verify(mView).setVisibility(View.INVISIBLE);
+        reset(mView);
+
+        when(mDreamOverlayStateController.isLowLightActive()).thenReturn(false);
+        final ArgumentCaptor<DreamOverlayStateController.Callback> callbackCapture =
+                ArgumentCaptor.forClass(DreamOverlayStateController.Callback.class);
+        verify(mDreamOverlayStateController).addCallback(callbackCapture.capture());
+        callbackCapture.getValue().onStateChanged();
+
+        verify(mView).setVisibility(View.VISIBLE);
+    }
 }