Remove (Base)ComposeFacade

Bug: 295304993
Test: mp sysuig
Flag: N/A
Change-Id: I4f70577387ae3e76a807d7c4ee4b04eca481a5a0

25 files changed, 301 insertions, 616 deletions

diff --git a/packages/SystemUI/compose/facade/enabled/src/com/android/systemui/compose/ComposeFacade.kt b/packages/SystemUI/compose/facade/enabled/src/com/android/systemui/compose/ComposeFacade.kt
deleted file mode 100644
index 76931a2b4d41..000000000000
--- a/packages/SystemUI/compose/facade/enabled/src/com/android/systemui/compose/ComposeFacade.kt
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * Copyright (C) 2022 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.compose
-
-import android.content.Context
-import android.graphics.Point
-import android.view.View
-import android.view.WindowInsets
-import androidx.activity.ComponentActivity
-import androidx.activity.compose.setContent
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.ComposeView
-import androidx.compose.ui.unit.Dp
-import androidx.compose.ui.unit.dp
-import androidx.lifecycle.LifecycleOwner
-import com.android.compose.theme.LocalAndroidColorScheme
-import com.android.compose.theme.PlatformTheme
-import com.android.compose.ui.platform.DensityAwareComposeView
-import com.android.internal.policy.ScreenDecorationsUtils
-import com.android.systemui.bouncer.ui.BouncerDialogFactory
-import com.android.systemui.bouncer.ui.composable.BouncerContent
-import com.android.systemui.bouncer.ui.viewmodel.BouncerViewModel
-import com.android.systemui.common.ui.compose.windowinsets.CutoutLocation
-import com.android.systemui.common.ui.compose.windowinsets.DisplayCutout
-import com.android.systemui.common.ui.compose.windowinsets.ScreenDecorProvider
-import com.android.systemui.communal.ui.compose.CommunalContainer
-import com.android.systemui.communal.ui.compose.CommunalHub
-import com.android.systemui.communal.ui.viewmodel.BaseCommunalViewModel
-import com.android.systemui.communal.ui.viewmodel.CommunalViewModel
-import com.android.systemui.communal.widgets.WidgetConfigurator
-import com.android.systemui.keyboard.stickykeys.ui.view.createStickyKeyIndicatorView
-import com.android.systemui.keyboard.stickykeys.ui.viewmodel.StickyKeysIndicatorViewModel
-import com.android.systemui.keyguard.shared.model.LockscreenSceneBlueprint
-import com.android.systemui.keyguard.ui.composable.LockscreenContent
-import com.android.systemui.keyguard.ui.composable.blueprint.ComposableLockscreenSceneBlueprint
-import com.android.systemui.keyguard.ui.viewmodel.LockscreenContentViewModel
-import com.android.systemui.people.ui.compose.PeopleScreen
-import com.android.systemui.people.ui.viewmodel.PeopleViewModel
-import com.android.systemui.qs.footer.ui.compose.FooterActions
-import com.android.systemui.qs.footer.ui.viewmodel.FooterActionsViewModel
-import com.android.systemui.scene.shared.model.Scene
-import com.android.systemui.scene.shared.model.SceneDataSourceDelegator
-import com.android.systemui.scene.shared.model.SceneKey
-import com.android.systemui.scene.ui.composable.ComposableScene
-import com.android.systemui.scene.ui.composable.SceneContainer
-import com.android.systemui.scene.ui.viewmodel.SceneContainerViewModel
-import com.android.systemui.volume.panel.ui.composable.VolumePanelRoot
-import com.android.systemui.volume.panel.ui.viewmodel.VolumePanelViewModel
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.flow.SharingStarted
-import kotlinx.coroutines.flow.StateFlow
-import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.flow.stateIn
-
-/** The Compose facade, when Compose is available. */
-object ComposeFacade : BaseComposeFacade {
-    override fun isComposeAvailable(): Boolean = true
-
-    override fun composeInitializer(): ComposeInitializer = ComposeInitializerImpl
-
-    override fun setPeopleSpaceActivityContent(
-        activity: ComponentActivity,
-        viewModel: PeopleViewModel,
-        onResult: (PeopleViewModel.Result) -> Unit,
-    ) {
-        activity.setContent { PlatformTheme { PeopleScreen(viewModel, onResult) } }
-    }
-
-    override fun setCommunalEditWidgetActivityContent(
-        activity: ComponentActivity,
-        viewModel: BaseCommunalViewModel,
-        widgetConfigurator: WidgetConfigurator,
-        onOpenWidgetPicker: () -> Unit,
-        onEditDone: () -> Unit,
-    ) {
-        activity.setContent {
-            PlatformTheme {
-                Box(
-                    modifier =
-                        Modifier.fillMaxSize()
-                            .background(LocalAndroidColorScheme.current.outlineVariant),
-                ) {
-                    CommunalHub(
-                        viewModel = viewModel,
-                        onOpenWidgetPicker = onOpenWidgetPicker,
-                        widgetConfigurator = widgetConfigurator,
-                        onEditDone = onEditDone,
-                    )
-                }
-            }
-        }
-    }
-
-    override fun setVolumePanelActivityContent(
-        activity: ComponentActivity,
-        viewModel: VolumePanelViewModel,
-        onDismiss: () -> Unit,
-    ) {
-        activity.setContent {
-            VolumePanelRoot(
-                viewModel = viewModel,
-                onDismiss = onDismiss,
-            )
-        }
-    }
-
-    override fun createFooterActionsView(
-        context: Context,
-        viewModel: FooterActionsViewModel,
-        qsVisibilityLifecycleOwner: LifecycleOwner,
-    ): View {
-        return DensityAwareComposeView(context).apply {
-            setContent { PlatformTheme { FooterActions(viewModel, qsVisibilityLifecycleOwner) } }
-        }
-    }
-
-    override fun createSceneContainerView(
-        scope: CoroutineScope,
-        context: Context,
-        viewModel: SceneContainerViewModel,
-        windowInsets: StateFlow<WindowInsets?>,
-        sceneByKey: Map<SceneKey, Scene>,
-        dataSourceDelegator: SceneDataSourceDelegator,
-    ): View {
-        return ComposeView(context).apply {
-            setContent {
-                PlatformTheme {
-                    ScreenDecorProvider(
-                        displayCutout = displayCutoutFromWindowInsets(scope, context, windowInsets),
-                        screenCornerRadius = ScreenDecorationsUtils.getWindowCornerRadius(context)
-                    ) {
-                        SceneContainer(
-                            viewModel = viewModel,
-                            sceneByKey =
-                                sceneByKey.mapValues { (_, scene) -> scene as ComposableScene },
-                            dataSourceDelegator = dataSourceDelegator,
-                        )
-                    }
-                }
-            }
-        }
-    }
-
-    override fun createStickyKeysIndicatorContent(
-        context: Context,
-        viewModel: StickyKeysIndicatorViewModel
-    ): View {
-        return createStickyKeyIndicatorView(context, viewModel)
-    }
-
-    override fun createCommunalView(
-        context: Context,
-        viewModel: BaseCommunalViewModel,
-    ): View {
-        return ComposeView(context).apply {
-            setContent { PlatformTheme { CommunalHub(viewModel = viewModel) } }
-        }
-    }
-
-    override fun createCommunalContainer(context: Context, viewModel: CommunalViewModel): View {
-        return ComposeView(context).apply {
-            setContent { PlatformTheme { CommunalContainer(viewModel = viewModel) } }
-        }
-    }
-
-    // TODO(b/298525212): remove once Compose exposes window inset bounds.
-    private fun displayCutoutFromWindowInsets(
-        scope: CoroutineScope,
-        context: Context,
-        windowInsets: StateFlow<WindowInsets?>,
-    ): StateFlow<DisplayCutout> =
-        windowInsets
-            .map {
-                val boundingRect = it?.displayCutout?.boundingRectTop
-                val width = boundingRect?.let { boundingRect.right - boundingRect.left } ?: 0
-                val left = boundingRect?.left?.toDp(context) ?: 0.dp
-                val top = boundingRect?.top?.toDp(context) ?: 0.dp
-                val right = boundingRect?.right?.toDp(context) ?: 0.dp
-                val bottom = boundingRect?.bottom?.toDp(context) ?: 0.dp
-                val location =
-                    when {
-                        width <= 0f -> CutoutLocation.NONE
-                        left <= 0.dp -> CutoutLocation.LEFT
-                        right >= getDisplayWidth(context) -> CutoutLocation.RIGHT
-                        else -> CutoutLocation.CENTER
-                    }
-                DisplayCutout(
-                    left,
-                    top,
-                    right,
-                    bottom,
-                    location,
-                )
-            }
-            .stateIn(scope, SharingStarted.WhileSubscribed(), DisplayCutout())
-
-    // TODO(b/298525212): remove once Compose exposes window inset bounds.
-    private fun getDisplayWidth(context: Context): Dp {
-        val point = Point()
-        checkNotNull(context.display).getRealSize(point)
-        return point.x.dp
-    }
-
-    // TODO(b/298525212): remove once Compose exposes window inset bounds.
-    private fun Int.toDp(context: Context): Dp {
-        return (this.toFloat() / context.resources.displayMetrics.density).dp
-    }
-
-    override fun createBouncer(
-        context: Context,
-        viewModel: BouncerViewModel,
-        dialogFactory: BouncerDialogFactory,
-    ): View {
-        return ComposeView(context).apply {
-            setContent { PlatformTheme { BouncerContent(viewModel, dialogFactory) } }
-        }
-    }
-
-    override fun createLockscreen(
-        context: Context,
-        viewModel: LockscreenContentViewModel,
-        blueprints: Set<@JvmSuppressWildcards LockscreenSceneBlueprint>,
-    ): View {
-        val sceneBlueprints =
-            blueprints.mapNotNull { it as? ComposableLockscreenSceneBlueprint }.toSet()
-        return ComposeView(context).apply {
-            setContent {
-                LockscreenContent(viewModel = viewModel, blueprints = sceneBlueprints)
-                    .Content(modifier = Modifier.fillMaxSize())
-            }
-        }
-    }
-}
diff --git a/packages/SystemUI/compose/facade/enabled/src/com/android/systemui/compose/ComposeInitializerImpl.kt b/packages/SystemUI/compose/facade/enabled/src/com/android/systemui/compose/ComposeInitializerImpl.kt
deleted file mode 100644
index 1674591c30b5..000000000000
--- a/packages/SystemUI/compose/facade/enabled/src/com/android/systemui/compose/ComposeInitializerImpl.kt
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * 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.compose
-
-import android.view.View
-import androidx.lifecycle.findViewTreeLifecycleOwner
-import androidx.lifecycle.setViewTreeLifecycleOwner
-import androidx.lifecycle.Lifecycle
-import androidx.savedstate.SavedStateRegistryController
-import androidx.savedstate.SavedStateRegistryOwner
-import com.android.compose.animation.ViewTreeSavedStateRegistryOwner
-import com.android.systemui.lifecycle.ViewLifecycleOwner
-
-internal object ComposeInitializerImpl : ComposeInitializer {
-    override fun onAttachedToWindow(root: View) {
-        if (root.findViewTreeLifecycleOwner() != null) {
-            error("root $root already has a LifecycleOwner")
-        }
-
-        val parent = root.parent
-        if (parent is View && parent.id != android.R.id.content) {
-            error(
-                "ComposeInitializer.onAttachedToWindow(View) must be called on the content child." +
-                    "Outside of activities and dialogs, this is usually the top-most View of a " +
-                    "window."
-            )
-        }
-
-        // The lifecycle owner, which is STARTED when [root] is visible and RESUMED when [root] is
-        // both visible and focused.
-        val lifecycleOwner = ViewLifecycleOwner(root)
-
-        // We create a trivial implementation of [SavedStateRegistryOwner] that does not do any save
-        // or restore because SystemUI process is always running and top-level windows using this
-        // initializer are created once, when the process is started.
-        val savedStateRegistryOwner =
-            object : SavedStateRegistryOwner {
-                private val savedStateRegistryController =
-                    SavedStateRegistryController.create(this).apply { performRestore(null) }
-
-                override val savedStateRegistry = savedStateRegistryController.savedStateRegistry
-
-                override val lifecycle: Lifecycle
-                    get() = lifecycleOwner.lifecycle
-            }
-
-        // We must call [ViewLifecycleOwner.onCreate] after creating the [SavedStateRegistryOwner]
-        // because `onCreate` might move the lifecycle state to STARTED which will make
-        // [SavedStateRegistryController.performRestore] throw.
-        lifecycleOwner.onCreate()
-
-        // Set the owners on the root. They will be reused by any ComposeView inside the root
-        // hierarchy.
-        root.setViewTreeLifecycleOwner(lifecycleOwner)
-        ViewTreeSavedStateRegistryOwner.set(root, savedStateRegistryOwner)
-    }
-
-    override fun onDetachedFromWindow(root: View) {
-        (root.findViewTreeLifecycleOwner() as ViewLifecycleOwner).onDestroy()
-        root.setViewTreeLifecycleOwner(null)
-        ViewTreeSavedStateRegistryOwner.set(root, null)
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/BouncerViewBinder.kt b/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/BouncerViewBinder.kt
index 36d3ed52b655..f1a0e5e3539c 100644
--- a/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/BouncerViewBinder.kt
+++ b/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/BouncerViewBinder.kt
@@ -11,7 +11,6 @@ import com.android.systemui.bouncer.shared.flag.ComposeBouncerFlags
 import com.android.systemui.bouncer.ui.BouncerDialogFactory
 import com.android.systemui.bouncer.ui.viewmodel.BouncerViewModel
 import com.android.systemui.bouncer.ui.viewmodel.KeyguardBouncerViewModel
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.flags.Flags.COMPOSE_BOUNCER_ENABLED
 import com.android.systemui.keyguard.ui.viewmodel.PrimaryBouncerToGoneTransitionViewModel
@@ -60,11 +59,7 @@ constructor(
     private val composeBouncerDependencies: Lazy<ComposeBouncerDependencies>,
 ) {
     fun bind(view: ViewGroup) {
-        if (
-            COMPOSE_BOUNCER_ENABLED &&
-                composeBouncerFlags.isOnlyComposeBouncerEnabled() &&
-                ComposeFacade.isComposeAvailable()
-        ) {
+        if (COMPOSE_BOUNCER_ENABLED && composeBouncerFlags.isOnlyComposeBouncerEnabled()) {
             val deps = composeBouncerDependencies.get()
             ComposeBouncerViewBinder.bind(
                 view,
diff --git a/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/ComposeBouncerViewBinder.kt b/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/ComposeBouncerViewBinder.kt
index 7b053956091e..179fa874db79 100644
--- a/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/ComposeBouncerViewBinder.kt
+++ b/packages/SystemUI/src/com/android/systemui/bouncer/ui/binder/ComposeBouncerViewBinder.kt
@@ -1,15 +1,17 @@
 package com.android.systemui.bouncer.ui.binder
 
 import android.view.ViewGroup
+import androidx.compose.ui.platform.ComposeView
 import androidx.core.view.isVisible
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.repeatOnLifecycle
+import com.android.compose.theme.PlatformTheme
 import com.android.keyguard.ViewMediatorCallback
 import com.android.systemui.authentication.domain.interactor.AuthenticationInteractor
 import com.android.systemui.bouncer.domain.interactor.PrimaryBouncerInteractor
 import com.android.systemui.bouncer.ui.BouncerDialogFactory
+import com.android.systemui.bouncer.ui.composable.BouncerContent
 import com.android.systemui.bouncer.ui.viewmodel.BouncerViewModel
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.lifecycle.repeatWhenAttached
 import com.android.systemui.user.domain.interactor.SelectedUserInteractor
 import kotlinx.coroutines.flow.collectLatest
@@ -27,12 +29,11 @@ object ComposeBouncerViewBinder {
         viewMediatorCallback: ViewMediatorCallback?,
     ) {
         view.addView(
-            ComposeFacade.createBouncer(
-                view.context,
-                viewModel,
-                dialogFactory,
-            )
+            ComposeView(view.context).apply {
+                setContent { PlatformTheme { BouncerContent(viewModel, dialogFactory) } }
+            }
         )
+
         view.repeatWhenAttached {
             repeatOnLifecycle(Lifecycle.State.CREATED) {
                 launch {
diff --git a/packages/SystemUI/src/com/android/systemui/communal/widgets/EditWidgetsActivity.kt b/packages/SystemUI/src/com/android/systemui/communal/widgets/EditWidgetsActivity.kt
index a5a390d7683b..48b3e4c3616d 100644
--- a/packages/SystemUI/src/com/android/systemui/communal/widgets/EditWidgetsActivity.kt
+++ b/packages/SystemUI/src/com/android/systemui/communal/widgets/EditWidgetsActivity.kt
@@ -25,14 +25,21 @@ import android.util.Log
 import android.view.IWindowManager
 import android.view.WindowInsets
 import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
 import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.contract.ActivityResultContracts.StartActivityForResult
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.ui.Modifier
+import com.android.compose.theme.LocalAndroidColorScheme
+import com.android.compose.theme.PlatformTheme
 import com.android.internal.logging.UiEventLogger
 import com.android.systemui.communal.shared.log.CommunalUiEvent
 import com.android.systemui.communal.shared.model.CommunalSceneKey
+import com.android.systemui.communal.ui.compose.CommunalHub
 import com.android.systemui.communal.ui.viewmodel.CommunalEditModeViewModel
 import com.android.systemui.communal.util.WidgetPickerIntentUtils.getWidgetExtraFromIntent
-import com.android.systemui.compose.ComposeFacade.setCommunalEditWidgetActivityContent
 import com.android.systemui.log.LogBuffer
 import com.android.systemui.log.core.Logger
 import com.android.systemui.log.dagger.CommunalLog
@@ -110,56 +117,68 @@ constructor(
         val preselectedKey = intent.getStringExtra(EXTRA_PRESELECTED_KEY)
         communalViewModel.setSelectedKey(preselectedKey)
 
-        setCommunalEditWidgetActivityContent(
-            activity = this,
-            viewModel = communalViewModel,
-            widgetConfigurator = widgetConfigurator,
-            onOpenWidgetPicker = {
-                val intent =
-                    Intent(Intent.ACTION_MAIN).also { it.addCategory(Intent.CATEGORY_HOME) }
-                packageManager
-                    .resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY)
-                    ?.activityInfo
-                    ?.packageName
-                    ?.let { packageName ->
-                        try {
-                            addWidgetActivityLauncher.launch(
-                                Intent(Intent.ACTION_PICK).apply {
-                                    setPackage(packageName)
-                                    putExtra(
-                                        EXTRA_DESIRED_WIDGET_WIDTH,
-                                        resources.getDimensionPixelSize(
-                                            R.dimen.communal_widget_picker_desired_width
-                                        )
-                                    )
-                                    putExtra(
-                                        EXTRA_DESIRED_WIDGET_HEIGHT,
-                                        resources.getDimensionPixelSize(
-                                            R.dimen.communal_widget_picker_desired_height
-                                        )
-                                    )
-                                    putExtra(
-                                        AppWidgetManager.EXTRA_CATEGORY_FILTER,
-                                        communalViewModel.getCommunalWidgetCategories
-                                    )
-                                }
+        setContent {
+            PlatformTheme {
+                Box(
+                    modifier =
+                        Modifier.fillMaxSize()
+                            .background(LocalAndroidColorScheme.current.outlineVariant),
+                ) {
+                    CommunalHub(
+                        viewModel = communalViewModel,
+                        onOpenWidgetPicker = ::onOpenWidgetPicker,
+                        widgetConfigurator = widgetConfigurator,
+                        onEditDone = ::onEditDone,
+                    )
+                }
+            }
+        }
+    }
+
+    private fun onOpenWidgetPicker() {
+        val intent = Intent(Intent.ACTION_MAIN).also { it.addCategory(Intent.CATEGORY_HOME) }
+        packageManager
+            .resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY)
+            ?.activityInfo
+            ?.packageName
+            ?.let { packageName ->
+                try {
+                    addWidgetActivityLauncher.launch(
+                        Intent(Intent.ACTION_PICK).apply {
+                            setPackage(packageName)
+                            putExtra(
+                                EXTRA_DESIRED_WIDGET_WIDTH,
+                                resources.getDimensionPixelSize(
+                                    R.dimen.communal_widget_picker_desired_width
+                                )
+                            )
+                            putExtra(
+                                EXTRA_DESIRED_WIDGET_HEIGHT,
+                                resources.getDimensionPixelSize(
+                                    R.dimen.communal_widget_picker_desired_height
+                                )
+                            )
+                            putExtra(
+                                AppWidgetManager.EXTRA_CATEGORY_FILTER,
+                                communalViewModel.getCommunalWidgetCategories
                             )
-                        } catch (e: Exception) {
-                            Log.e(TAG, "Failed to launch widget picker activity", e)
                         }
-                    }
-                    ?: run { Log.e(TAG, "Couldn't resolve launcher package name") }
-            },
-            onEditDone = {
-                try {
-                    communalViewModel.onSceneChanged(CommunalSceneKey.Communal)
-                    checkNotNull(windowManagerService).lockNow(/* options */ null)
-                    finish()
-                } catch (e: RemoteException) {
-                    Log.e(TAG, "Couldn't lock the device as WindowManager is dead.")
+                    )
+                } catch (e: Exception) {
+                    Log.e(TAG, "Failed to launch widget picker activity", e)
                 }
             }
-        )
+            ?: run { Log.e(TAG, "Couldn't resolve launcher package name") }
+    }
+
+    private fun onEditDone() {
+        try {
+            communalViewModel.onSceneChanged(CommunalSceneKey.Communal)
+            checkNotNull(windowManagerService).lockNow(/* options */ null)
+            finish()
+        } catch (e: RemoteException) {
+            Log.e(TAG, "Couldn't lock the device as WindowManager is dead.")
+        }
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
diff --git a/packages/SystemUI/src/com/android/systemui/compose/BaseComposeFacade.kt b/packages/SystemUI/src/com/android/systemui/compose/BaseComposeFacade.kt
deleted file mode 100644
index a0aaa906802a..000000000000
--- a/packages/SystemUI/src/com/android/systemui/compose/BaseComposeFacade.kt
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Copyright (C) 2022 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.compose
-
-import android.content.Context
-import android.view.View
-import android.view.WindowInsets
-import androidx.activity.ComponentActivity
-import androidx.lifecycle.LifecycleOwner
-import com.android.systemui.bouncer.ui.BouncerDialogFactory
-import com.android.systemui.bouncer.ui.viewmodel.BouncerViewModel
-import com.android.systemui.communal.ui.viewmodel.BaseCommunalViewModel
-import com.android.systemui.communal.ui.viewmodel.CommunalViewModel
-import com.android.systemui.communal.widgets.WidgetConfigurator
-import com.android.systemui.keyboard.stickykeys.ui.viewmodel.StickyKeysIndicatorViewModel
-import com.android.systemui.keyguard.shared.model.LockscreenSceneBlueprint
-import com.android.systemui.keyguard.ui.viewmodel.LockscreenContentViewModel
-import com.android.systemui.people.ui.viewmodel.PeopleViewModel
-import com.android.systemui.qs.footer.ui.viewmodel.FooterActionsViewModel
-import com.android.systemui.scene.shared.model.Scene
-import com.android.systemui.scene.shared.model.SceneDataSourceDelegator
-import com.android.systemui.scene.shared.model.SceneKey
-import com.android.systemui.scene.ui.viewmodel.SceneContainerViewModel
-import com.android.systemui.volume.panel.ui.viewmodel.VolumePanelViewModel
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.flow.StateFlow
-
-/**
- * A facade to interact with Compose, when it is available.
- *
- * You should access this facade by calling the static methods on
- * [com.android.systemui.compose.ComposeFacade] directly.
- */
-interface BaseComposeFacade {
-    /**
-     * Whether Compose is currently available. This function should be checked before calling any
-     * other functions on this facade.
-     *
-     * This value will never change at runtime.
-     */
-    fun isComposeAvailable(): Boolean
-
-    /**
-     * Return the [ComposeInitializer] to make Compose usable in windows outside normal activities.
-     */
-    fun composeInitializer(): ComposeInitializer
-
-    /** Bind the content of [activity] to [viewModel]. */
-    fun setPeopleSpaceActivityContent(
-        activity: ComponentActivity,
-        viewModel: PeopleViewModel,
-        onResult: (PeopleViewModel.Result) -> Unit,
-    )
-
-    /** Bind the content of [activity] to [viewModel]. */
-    fun setCommunalEditWidgetActivityContent(
-        activity: ComponentActivity,
-        viewModel: BaseCommunalViewModel,
-        widgetConfigurator: WidgetConfigurator,
-        onOpenWidgetPicker: () -> Unit,
-        onEditDone: () -> Unit,
-    )
-
-    fun setVolumePanelActivityContent(
-        activity: ComponentActivity,
-        viewModel: VolumePanelViewModel,
-        onDismiss: () -> Unit,
-    )
-
-    /** Create a [View] to represent [viewModel] on screen. */
-    fun createFooterActionsView(
-        context: Context,
-        viewModel: FooterActionsViewModel,
-        qsVisibilityLifecycleOwner: LifecycleOwner,
-    ): View
-
-    /** Create a [View] to represent [viewModel] on screen. */
-    fun createSceneContainerView(
-        scope: CoroutineScope,
-        context: Context,
-        viewModel: SceneContainerViewModel,
-        windowInsets: StateFlow<WindowInsets?>,
-        sceneByKey: Map<SceneKey, Scene>,
-        dataSourceDelegator: SceneDataSourceDelegator,
-    ): View
-
-    /** Creates sticky key indicator content presenting provided [viewModel] */
-    fun createStickyKeysIndicatorContent(
-        context: Context,
-        viewModel: StickyKeysIndicatorViewModel
-    ): View
-
-    /** Create a [View] to represent [viewModel] on screen. */
-    fun createCommunalView(
-        context: Context,
-        viewModel: BaseCommunalViewModel,
-    ): View
-
-    /** Create a [View] to represent the [BouncerViewModel]. */
-    fun createBouncer(
-        context: Context,
-        viewModel: BouncerViewModel,
-        dialogFactory: BouncerDialogFactory,
-    ): View
-
-    /** Creates a container that hosts the communal UI and handles gesture transitions. */
-    fun createCommunalContainer(context: Context, viewModel: CommunalViewModel): View
-
-    /** Creates a [View] that represents the Lockscreen. */
-    fun createLockscreen(
-        context: Context,
-        viewModel: LockscreenContentViewModel,
-        blueprints: Set<@JvmSuppressWildcards LockscreenSceneBlueprint>,
-    ): View
-}
diff --git a/packages/SystemUI/src/com/android/systemui/compose/ComposeInitializer.kt b/packages/SystemUI/src/com/android/systemui/compose/ComposeInitializer.kt
index 90dc3a00daa2..813e0e025bf5 100644
--- a/packages/SystemUI/src/com/android/systemui/compose/ComposeInitializer.kt
+++ b/packages/SystemUI/src/com/android/systemui/compose/ComposeInitializer.kt
@@ -17,6 +17,13 @@
 package com.android.systemui.compose
 
 import android.view.View
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.findViewTreeLifecycleOwner
+import androidx.lifecycle.setViewTreeLifecycleOwner
+import androidx.savedstate.SavedStateRegistryController
+import androidx.savedstate.SavedStateRegistryOwner
+import com.android.compose.animation.ViewTreeSavedStateRegistryOwner
+import com.android.systemui.lifecycle.ViewLifecycleOwner
 
 /**
  * An initializer to use Compose outside of an Activity, e.g. inside a window added directly using
@@ -39,10 +46,55 @@ import android.view.View
  *    }
  * ```
  */
-interface ComposeInitializer {
+object ComposeInitializer {
     /** Function to be called on your window root view's [View.onAttachedToWindow] function. */
-    fun onAttachedToWindow(root: View)
+    fun onAttachedToWindow(root: View) {
+        if (root.findViewTreeLifecycleOwner() != null) {
+            error("root $root already has a LifecycleOwner")
+        }
+
+        val parent = root.parent
+        if (parent is View && parent.id != android.R.id.content) {
+            error(
+                "ComposeInitializer.onAttachedToWindow(View) must be called on the content child." +
+                    "Outside of activities and dialogs, this is usually the top-most View of a " +
+                    "window."
+            )
+        }
+
+        // The lifecycle owner, which is STARTED when [root] is visible and RESUMED when [root] is
+        // both visible and focused.
+        val lifecycleOwner = ViewLifecycleOwner(root)
+
+        // We create a trivial implementation of [SavedStateRegistryOwner] that does not do any save
+        // or restore because SystemUI process is always running and top-level windows using this
+        // initializer are created once, when the process is started.
+        val savedStateRegistryOwner =
+            object : SavedStateRegistryOwner {
+                private val savedStateRegistryController =
+                    SavedStateRegistryController.create(this).apply { performRestore(null) }
+
+                override val savedStateRegistry = savedStateRegistryController.savedStateRegistry
+
+                override val lifecycle: Lifecycle
+                    get() = lifecycleOwner.lifecycle
+            }
+
+        // We must call [ViewLifecycleOwner.onCreate] after creating the [SavedStateRegistryOwner]
+        // because `onCreate` might move the lifecycle state to STARTED which will make
+        // [SavedStateRegistryController.performRestore] throw.
+        lifecycleOwner.onCreate()
+
+        // Set the owners on the root. They will be reused by any ComposeView inside the root
+        // hierarchy.
+        root.setViewTreeLifecycleOwner(lifecycleOwner)
+        ViewTreeSavedStateRegistryOwner.set(root, savedStateRegistryOwner)
+    }
 
     /** Function to be called on your window root view's [View.onDetachedFromWindow] function. */
-    fun onDetachedFromWindow(root: View)
+    fun onDetachedFromWindow(root: View) {
+        (root.findViewTreeLifecycleOwner() as ViewLifecycleOwner).onDestroy()
+        root.setViewTreeLifecycleOwner(null)
+        ViewTreeSavedStateRegistryOwner.set(root, null)
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeyDialogFactory.kt b/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeyDialogFactory.kt
index 3ed58a7fe5ae..f9084e5a6191 100644
--- a/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeyDialogFactory.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeyDialogFactory.kt
@@ -26,9 +26,9 @@ import android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
 import android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
 import android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_SUB_PANEL
 import androidx.activity.ComponentDialog
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
+import com.android.systemui.keyboard.stickykeys.ui.view.createStickyKeyIndicatorView
 import com.android.systemui.keyboard.stickykeys.ui.viewmodel.StickyKeysIndicatorViewModel
 import com.android.systemui.res.R
 import javax.inject.Inject
@@ -48,7 +48,7 @@ constructor(
         return ComponentDialog(context, R.style.Theme_SystemUI_Dialog).apply {
             // because we're requesting window feature it must be called before setting content
             window?.setStickyKeyWindowAttributes()
-            setContentView(ComposeFacade.createStickyKeysIndicatorContent(context, viewModel))
+            setContentView(createStickyKeyIndicatorView(context, viewModel))
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeysIndicatorCoordinator.kt b/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeysIndicatorCoordinator.kt
index 842fd04bfcc5..78c4e77cad74 100644
--- a/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeysIndicatorCoordinator.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeysIndicatorCoordinator.kt
@@ -17,15 +17,13 @@
 package com.android.systemui.keyboard.stickykeys.ui
 
 import android.app.Dialog
-import android.util.Log
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
 import com.android.systemui.keyboard.stickykeys.StickyKeysLogger
 import com.android.systemui.keyboard.stickykeys.ui.viewmodel.StickyKeysIndicatorViewModel
+import javax.inject.Inject
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
-import javax.inject.Inject
 
 @SysUISingleton
 class StickyKeysIndicatorCoordinator
@@ -40,11 +38,6 @@ constructor(
     private var dialog: Dialog? = null
 
     fun startListening() {
-        // this check needs to be moved to PhysicalKeyboardCoreStartable
-        if (!ComposeFacade.isComposeAvailable()) {
-            Log.e("StickyKeysIndicatorCoordinator", "Compose is required for this UI")
-            return
-        }
         applicationScope.launch {
             viewModel.indicatorContent.collect { stickyKeys ->
                 stickyKeysLogger.logNewUiState(stickyKeys)
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewConfigurator.kt b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewConfigurator.kt
index 301942f6242b..106fdf1fbcbe 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewConfigurator.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewConfigurator.kt
@@ -20,6 +20,9 @@ package com.android.systemui.keyguard
 import android.content.Context
 import android.view.LayoutInflater
 import android.view.View
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.ComposeView
 import androidx.constraintlayout.widget.ConstraintSet
 import androidx.constraintlayout.widget.ConstraintSet.BOTTOM
 import androidx.constraintlayout.widget.ConstraintSet.END
@@ -35,7 +38,6 @@ import com.android.keyguard.dagger.KeyguardStatusViewComponent
 import com.android.systemui.CoreStartable
 import com.android.systemui.Flags.keyguardBottomAreaRefactor
 import com.android.systemui.common.ui.ConfigurationState
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.deviceentry.domain.interactor.DeviceEntryHapticsInteractor
 import com.android.systemui.deviceentry.shared.DeviceEntryUdfpsRefactor
@@ -45,6 +47,8 @@ import com.android.systemui.keyguard.shared.model.LockscreenSceneBlueprint
 import com.android.systemui.keyguard.ui.binder.KeyguardBlueprintViewBinder
 import com.android.systemui.keyguard.ui.binder.KeyguardIndicationAreaBinder
 import com.android.systemui.keyguard.ui.binder.KeyguardRootViewBinder
+import com.android.systemui.keyguard.ui.composable.LockscreenContent
+import com.android.systemui.keyguard.ui.composable.blueprint.ComposableLockscreenSceneBlueprint
 import com.android.systemui.keyguard.ui.view.KeyguardIndicationArea
 import com.android.systemui.keyguard.ui.view.KeyguardRootView
 import com.android.systemui.keyguard.ui.view.layout.KeyguardBlueprintCommandListener
@@ -132,7 +136,7 @@ constructor(
         if (!SceneContainerFlag.isEnabled) {
             if (ComposeLockscreen.isEnabled) {
                 val composeView =
-                    ComposeFacade.createLockscreen(
+                    createLockscreen(
                         context = context,
                         viewModel = lockscreenContentViewModel,
                         blueprints = lockscreenSceneBlueprintsLazy.get(),
@@ -207,6 +211,21 @@ constructor(
             )
     }
 
+    private fun createLockscreen(
+        context: Context,
+        viewModel: LockscreenContentViewModel,
+        blueprints: Set<@JvmSuppressWildcards LockscreenSceneBlueprint>,
+    ): View {
+        val sceneBlueprints =
+            blueprints.mapNotNull { it as? ComposableLockscreenSceneBlueprint }.toSet()
+        return ComposeView(context).apply {
+            setContent {
+                LockscreenContent(viewModel = viewModel, blueprints = sceneBlueprints)
+                    .Content(modifier = Modifier.fillMaxSize())
+            }
+        }
+    }
+
     /**
      * Temporary, to allow NotificationPanelViewController to use the same instance while code is
      * migrated: b/288242803
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/shared/ComposeLockscreen.kt b/packages/SystemUI/src/com/android/systemui/keyguard/shared/ComposeLockscreen.kt
index 7f0b483919b3..601fbfaf1b64 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/shared/ComposeLockscreen.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/shared/ComposeLockscreen.kt
@@ -17,7 +17,6 @@
 package com.android.systemui.keyguard.shared
 
 import com.android.systemui.Flags
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.flags.FlagToken
 import com.android.systemui.flags.RefactorFlagUtils
 
@@ -34,7 +33,7 @@ object ComposeLockscreen {
     /** Is the refactor enabled */
     @JvmStatic
     inline val isEnabled
-        get() = Flags.composeLockscreen() && ComposeFacade.isComposeAvailable()
+        get() = Flags.composeLockscreen()
 
     /**
      * Called to ensure code is only run when the flag is enabled. This protects users from the
diff --git a/packages/SystemUI/src/com/android/systemui/people/PeopleSpaceActivity.kt b/packages/SystemUI/src/com/android/systemui/people/PeopleSpaceActivity.kt
index 5b7eb454597c..deb0fed0ffc8 100644
--- a/packages/SystemUI/src/com/android/systemui/people/PeopleSpaceActivity.kt
+++ b/packages/SystemUI/src/com/android/systemui/people/PeopleSpaceActivity.kt
@@ -20,14 +20,15 @@ import android.appwidget.AppWidgetManager
 import android.os.Bundle
 import android.util.Log
 import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
-import com.android.systemui.compose.ComposeFacade.isComposeAvailable
-import com.android.systemui.compose.ComposeFacade.setPeopleSpaceActivityContent
+import com.android.compose.theme.PlatformTheme
 import com.android.systemui.flags.FeatureFlags
 import com.android.systemui.flags.Flags
+import com.android.systemui.people.ui.compose.PeopleScreen
 import com.android.systemui.people.ui.view.PeopleViewBinder
 import com.android.systemui.people.ui.view.PeopleViewBinder.bind
 import com.android.systemui.people.ui.viewmodel.PeopleViewModel
@@ -65,13 +66,11 @@ constructor(
         }
 
         // Set the content of the activity, using either the View or Compose implementation.
-        if (featureFlags.isEnabled(Flags.COMPOSE_PEOPLE_SPACE) && isComposeAvailable()) {
+        if (featureFlags.isEnabled(Flags.COMPOSE_PEOPLE_SPACE)) {
             Log.d(TAG, "Using the Compose implementation of the PeopleSpaceActivity")
-            setPeopleSpaceActivityContent(
-                activity = this,
-                viewModel,
-                onResult = { finishActivity(it) },
-            )
+            setContent {
+                PlatformTheme { PeopleScreen(viewModel, onResult = { finishActivity(it) }) }
+            }
         } else {
             Log.d(TAG, "Using the View implementation of the PeopleSpaceActivity")
             val view = PeopleViewBinder.create(this)
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSImpl.java b/packages/SystemUI/src/com/android/systemui/qs/QSImpl.java
index 741336277119..a000d63a2ee3 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSImpl.java
@@ -47,7 +47,6 @@ import com.android.app.animation.Interpolators;
 import com.android.keyguard.BouncerPanelExpansionCalculator;
 import com.android.systemui.Dumpable;
 import com.android.systemui.animation.ShadeInterpolation;
-import com.android.systemui.compose.ComposeFacade;
 import com.android.systemui.dump.DumpManager;
 import com.android.systemui.flags.FeatureFlags;
 import com.android.systemui.flags.Flags;
@@ -301,8 +300,7 @@ public class QSImpl implements QS, CommandQueue.Callbacks, StatusBarStateControl
     private void bindFooterActionsView(View root) {
         LinearLayout footerActionsView = root.findViewById(R.id.qs_footer_actions);
 
-        if (!mFeatureFlags.isEnabled(Flags.COMPOSE_QS_FOOTER_ACTIONS)
-                || !ComposeFacade.INSTANCE.isComposeAvailable()) {
+        if (!mFeatureFlags.isEnabled(Flags.COMPOSE_QS_FOOTER_ACTIONS)) {
             Log.d(TAG, "Binding the View implementation of the QS footer actions");
             mFooterActionsView = footerActionsView;
             mFooterActionsViewBinder.bind(footerActionsView, mQSFooterActionsViewModel,
@@ -312,7 +310,7 @@ public class QSImpl implements QS, CommandQueue.Callbacks, StatusBarStateControl
 
         // Compose is available, so let's use the Compose implementation of the footer actions.
         Log.d(TAG, "Binding the Compose implementation of the QS footer actions");
-        View composeView = ComposeFacade.INSTANCE.createFooterActionsView(root.getContext(),
+        View composeView = QSUtils.createFooterActionsView(root.getContext(),
                 mQSFooterActionsViewModel, mListeningAndVisibilityLifecycleOwner);
         mFooterActionsView = composeView;
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSUtils.kt b/packages/SystemUI/src/com/android/systemui/qs/QSUtils.kt
index e42264f24e92..15c3f271469d 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSUtils.kt
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSUtils.kt
@@ -1,7 +1,13 @@
 package com.android.systemui.qs
 
 import android.content.Context
+import android.view.View
+import androidx.lifecycle.LifecycleOwner
+import com.android.compose.theme.PlatformTheme
+import com.android.compose.ui.platform.DensityAwareComposeView
 import com.android.internal.policy.SystemBarUtils
+import com.android.systemui.qs.footer.ui.compose.FooterActions
+import com.android.systemui.qs.footer.ui.viewmodel.FooterActionsViewModel
 import com.android.systemui.util.LargeScreenUtils.shouldUseLargeScreenShadeHeader
 
 object QSUtils {
@@ -21,4 +27,15 @@ object QSUtils {
             SystemBarUtils.getQuickQsOffsetHeight(context)
         }
     }
-}
\ No newline at end of file
+
+    @JvmStatic
+    fun createFooterActionsView(
+        context: Context,
+        viewModel: FooterActionsViewModel,
+        qsVisibilityLifecycleOwner: LifecycleOwner,
+    ): View {
+        return DensityAwareComposeView(context).apply {
+            setContent { PlatformTheme { FooterActions(viewModel, qsVisibilityLifecycleOwner) } }
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/scene/shared/flag/SceneContainerFlags.kt b/packages/SystemUI/src/com/android/systemui/scene/shared/flag/SceneContainerFlags.kt
index 8408c51c86dc..1808d98cd692 100644
--- a/packages/SystemUI/src/com/android/systemui/scene/shared/flag/SceneContainerFlags.kt
+++ b/packages/SystemUI/src/com/android/systemui/scene/shared/flag/SceneContainerFlags.kt
@@ -24,7 +24,6 @@ import com.android.systemui.Flags.FLAG_SCENE_CONTAINER
 import com.android.systemui.Flags.keyguardBottomAreaRefactor
 import com.android.systemui.Flags.migrateClocksToBlueprint
 import com.android.systemui.Flags.sceneContainer
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.flags.FlagToken
 import com.android.systemui.flags.Flags.SCENE_CONTAINER_ENABLED
@@ -47,9 +46,8 @@ object SceneContainerFlag {
                 keyguardBottomAreaRefactor() &&
                 migrateClocksToBlueprint() &&
                 ComposeLockscreen.isEnabled &&
-                MediaInSceneContainerFlag.isEnabled &&
-                // NOTE: Changes should also be made in getSecondaryFlags and @EnableSceneContainer
-                ComposeFacade.isComposeAvailable()
+                MediaInSceneContainerFlag.isEnabled
+    // NOTE: Changes should also be made in getSecondaryFlags and @EnableSceneContainer
 
     /**
      * The main static flag, SCENE_CONTAINER_ENABLED. This is an explicit static flag check that
@@ -74,11 +72,7 @@ object SceneContainerFlag {
 
     /** The full set of requirements for SceneContainer */
     inline fun getAllRequirements(): Sequence<FlagToken> {
-        val composeRequirement =
-            FlagToken("ComposeFacade.isComposeAvailable()", ComposeFacade.isComposeAvailable())
-        return sequenceOf(getMainStaticFlag(), getMainAconfigFlag()) +
-            getSecondaryFlags() +
-            composeRequirement
+        return sequenceOf(getMainStaticFlag(), getMainAconfigFlag()) + getSecondaryFlags()
     }
 
     /** Return all dependencies of this flag in pairs where [Pair.first] depends on [Pair.second] */
diff --git a/packages/SystemUI/src/com/android/systemui/scene/ui/view/SceneWindowRootViewBinder.kt b/packages/SystemUI/src/com/android/systemui/scene/ui/view/SceneWindowRootViewBinder.kt
index ee76c0582b9d..f2697b4e1c1e 100644
--- a/packages/SystemUI/src/com/android/systemui/scene/ui/view/SceneWindowRootViewBinder.kt
+++ b/packages/SystemUI/src/com/android/systemui/scene/ui/view/SceneWindowRootViewBinder.kt
@@ -16,17 +16,26 @@
 
 package com.android.systemui.scene.ui.view
 
+import android.content.Context
+import android.graphics.Point
 import android.view.View
 import android.view.ViewGroup
 import android.view.WindowInsets
 import androidx.activity.OnBackPressedDispatcher
 import androidx.activity.OnBackPressedDispatcherOwner
 import androidx.activity.setViewTreeOnBackPressedDispatcherOwner
+import androidx.compose.ui.platform.ComposeView
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
 import androidx.core.view.isVisible
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
-import com.android.systemui.compose.ComposeFacade
+import com.android.compose.theme.PlatformTheme
+import com.android.internal.policy.ScreenDecorationsUtils
+import com.android.systemui.common.ui.compose.windowinsets.CutoutLocation
+import com.android.systemui.common.ui.compose.windowinsets.DisplayCutout
+import com.android.systemui.common.ui.compose.windowinsets.ScreenDecorProvider
 import com.android.systemui.lifecycle.repeatWhenAttached
 import com.android.systemui.res.R
 import com.android.systemui.scene.shared.flag.SceneContainerFlags
@@ -34,10 +43,16 @@ import com.android.systemui.scene.shared.model.Scene
 import com.android.systemui.scene.shared.model.SceneContainerConfig
 import com.android.systemui.scene.shared.model.SceneDataSourceDelegator
 import com.android.systemui.scene.shared.model.SceneKey
+import com.android.systemui.scene.ui.composable.ComposableScene
+import com.android.systemui.scene.ui.composable.SceneContainer
 import com.android.systemui.scene.ui.viewmodel.SceneContainerViewModel
 import com.android.systemui.statusbar.notification.stack.shared.flexiNotifsEnabled
 import com.android.systemui.statusbar.notification.stack.ui.view.SharedNotificationContainer
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 
 object SceneWindowRootViewBinder {
@@ -83,7 +98,7 @@ object SceneWindowRootViewBinder {
                     )
 
                     view.addView(
-                        ComposeFacade.createSceneContainerView(
+                        createSceneContainerView(
                                 scope = this,
                                 context = view.context,
                                 viewModel = viewModel,
@@ -120,4 +135,74 @@ object SceneWindowRootViewBinder {
             }
         }
     }
+
+    private fun createSceneContainerView(
+        scope: CoroutineScope,
+        context: Context,
+        viewModel: SceneContainerViewModel,
+        windowInsets: StateFlow<WindowInsets?>,
+        sceneByKey: Map<SceneKey, Scene>,
+        dataSourceDelegator: SceneDataSourceDelegator,
+    ): View {
+        return ComposeView(context).apply {
+            setContent {
+                PlatformTheme {
+                    ScreenDecorProvider(
+                        displayCutout = displayCutoutFromWindowInsets(scope, context, windowInsets),
+                        screenCornerRadius = ScreenDecorationsUtils.getWindowCornerRadius(context)
+                    ) {
+                        SceneContainer(
+                            viewModel = viewModel,
+                            sceneByKey =
+                                sceneByKey.mapValues { (_, scene) -> scene as ComposableScene },
+                            dataSourceDelegator = dataSourceDelegator,
+                        )
+                    }
+                }
+            }
+        }
+    }
+
+    // TODO(b/298525212): remove once Compose exposes window inset bounds.
+    private fun displayCutoutFromWindowInsets(
+        scope: CoroutineScope,
+        context: Context,
+        windowInsets: StateFlow<WindowInsets?>,
+    ): StateFlow<DisplayCutout> =
+        windowInsets
+            .map {
+                val boundingRect = it?.displayCutout?.boundingRectTop
+                val width = boundingRect?.let { boundingRect.right - boundingRect.left } ?: 0
+                val left = boundingRect?.left?.toDp(context) ?: 0.dp
+                val top = boundingRect?.top?.toDp(context) ?: 0.dp
+                val right = boundingRect?.right?.toDp(context) ?: 0.dp
+                val bottom = boundingRect?.bottom?.toDp(context) ?: 0.dp
+                val location =
+                    when {
+                        width <= 0f -> CutoutLocation.NONE
+                        left <= 0.dp -> CutoutLocation.LEFT
+                        right >= getDisplayWidth(context) -> CutoutLocation.RIGHT
+                        else -> CutoutLocation.CENTER
+                    }
+                DisplayCutout(
+                    left,
+                    top,
+                    right,
+                    bottom,
+                    location,
+                )
+            }
+            .stateIn(scope, SharingStarted.WhileSubscribed(), DisplayCutout())
+
+    // TODO(b/298525212): remove once Compose exposes window inset bounds.
+    private fun getDisplayWidth(context: Context): Dp {
+        val point = Point()
+        checkNotNull(context.display).getRealSize(point)
+        return point.x.dp
+    }
+
+    // TODO(b/298525212): remove once Compose exposes window inset bounds.
+    private fun Int.toDp(context: Context): Dp {
+        return (this.toFloat() / context.resources.displayMetrics.density).dp
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/scene/ui/view/WindowRootView.kt b/packages/SystemUI/src/com/android/systemui/scene/ui/view/WindowRootView.kt
index 4c2c97981702..22645c4532f6 100644
--- a/packages/SystemUI/src/com/android/systemui/scene/ui/view/WindowRootView.kt
+++ b/packages/SystemUI/src/com/android/systemui/scene/ui/view/WindowRootView.kt
@@ -25,7 +25,7 @@ import android.view.View
 import android.view.WindowInsets
 import android.widget.FrameLayout
 import androidx.core.view.updateMargins
-import com.android.systemui.compose.ComposeFacade
+import com.android.systemui.compose.ComposeInitializer
 import com.android.systemui.res.R
 
 /** A view that can serve as the root of the main SysUI window. */
@@ -45,16 +45,16 @@ open class WindowRootView(
     override fun onAttachedToWindow() {
         super.onAttachedToWindow()
 
-        if (ComposeFacade.isComposeAvailable() && isRoot()) {
-            ComposeFacade.composeInitializer().onAttachedToWindow(this)
+        if (isRoot()) {
+            ComposeInitializer.onAttachedToWindow(this)
         }
     }
 
     override fun onDetachedFromWindow() {
         super.onDetachedFromWindow()
 
-        if (ComposeFacade.isComposeAvailable() && isRoot()) {
-            ComposeFacade.composeInitializer().onDetachedFromWindow(this)
+        if (isRoot()) {
+            ComposeInitializer.onDetachedFromWindow(this)
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/shade/GlanceableHubContainerController.kt b/packages/SystemUI/src/com/android/systemui/shade/GlanceableHubContainerController.kt
index df845f559f2e..d3869baf16a2 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/GlanceableHubContainerController.kt
+++ b/packages/SystemUI/src/com/android/systemui/shade/GlanceableHubContainerController.kt
@@ -23,11 +23,12 @@ import android.view.GestureDetector
 import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
+import androidx.compose.ui.platform.ComposeView
+import com.android.compose.theme.PlatformTheme
 import com.android.internal.annotations.VisibleForTesting
 import com.android.systemui.communal.domain.interactor.CommunalInteractor
+import com.android.systemui.communal.ui.compose.CommunalContainer
 import com.android.systemui.communal.ui.viewmodel.CommunalViewModel
-import com.android.systemui.compose.ComposeFacade.createCommunalContainer
-import com.android.systemui.compose.ComposeFacade.isComposeAvailable
 import com.android.systemui.keyguard.domain.interactor.KeyguardTransitionInteractor
 import com.android.systemui.keyguard.shared.model.KeyguardState
 import com.android.systemui.res.R
@@ -35,7 +36,6 @@ import com.android.systemui.shade.domain.interactor.ShadeInteractor
 import com.android.systemui.util.kotlin.collectFlow
 import javax.inject.Inject
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.flowOf
 
 /**
  * Controller that's responsible for the glanceable hub container view and its touch handling.
@@ -107,8 +107,7 @@ constructor(
     private var shadeShowing = false
 
     /** Returns a flow that tracks whether communal hub is available. */
-    fun communalAvailable(): Flow<Boolean> =
-        if (isComposeAvailable()) communalInteractor.isCommunalAvailable else flowOf(false)
+    fun communalAvailable(): Flow<Boolean> = communalInteractor.isCommunalAvailable
 
     /**
      * Creates the container view containing the glanceable hub UI.
@@ -118,7 +117,11 @@ constructor(
     fun initView(
         context: Context,
     ): View {
-        return initView(createCommunalContainer(context, communalViewModel))
+        return initView(
+            ComposeView(context).apply {
+                setContent { PlatformTheme { CommunalContainer(viewModel = communalViewModel) } }
+            }
+        )
     }
 
     /** Override for testing. */
diff --git a/packages/SystemUI/src/com/android/systemui/volume/panel/shared/flag/VolumePanelFlag.kt b/packages/SystemUI/src/com/android/systemui/volume/panel/shared/flag/VolumePanelFlag.kt
index d90a9c75deec..485f4b5cbfd7 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/panel/shared/flag/VolumePanelFlag.kt
+++ b/packages/SystemUI/src/com/android/systemui/volume/panel/shared/flag/VolumePanelFlag.kt
@@ -17,23 +17,18 @@
 package com.android.systemui.volume.panel.shared.flag
 
 import com.android.systemui.Flags
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.flags.RefactorFlagUtils
 import javax.inject.Inject
 
 /** Provides a flag to check for the new Compose based Volume Panel availability. */
 class VolumePanelFlag @Inject constructor() {
 
-    /**
-     * Returns true when the new Volume Panel is available and false the otherwise. The new panel
-     * can only be available when [ComposeFacade.isComposeAvailable] is true.
-     */
+    /** Returns true when the new Volume Panel is available and false the otherwise. */
     fun canUseNewVolumePanel(): Boolean {
-        return ComposeFacade.isComposeAvailable() && Flags.newVolumePanel()
+        return Flags.newVolumePanel()
     }
 
     fun assertNewVolumePanel() {
-        require(ComposeFacade.isComposeAvailable())
         RefactorFlagUtils.assertInNewMode(Flags.newVolumePanel(), Flags.FLAG_NEW_VOLUME_PANEL)
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/volume/panel/ui/activity/VolumePanelActivity.kt b/packages/SystemUI/src/com/android/systemui/volume/panel/ui/activity/VolumePanelActivity.kt
index 53e1b8b5bb70..d430e65770fd 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/panel/ui/activity/VolumePanelActivity.kt
+++ b/packages/SystemUI/src/com/android/systemui/volume/panel/ui/activity/VolumePanelActivity.kt
@@ -18,11 +18,12 @@ package com.android.systemui.volume.panel.ui.activity
 
 import android.os.Bundle
 import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
 import androidx.activity.viewModels
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.statusbar.policy.ConfigurationController
 import com.android.systemui.volume.panel.shared.flag.VolumePanelFlag
+import com.android.systemui.volume.panel.ui.composable.VolumePanelRoot
 import com.android.systemui.volume.panel.ui.viewmodel.VolumePanelViewModel
 import javax.inject.Inject
 import javax.inject.Provider
@@ -44,7 +45,7 @@ constructor(
 
         volumePanelFlag.assertNewVolumePanel()
 
-        ComposeFacade.setVolumePanelActivityContent(this, viewModel) { finish() }
+        setContent { VolumePanelRoot(viewModel = viewModel, onDismiss = ::finish) }
     }
 
     override fun onContentChanged() {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/compose/ComposeInitializerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/compose/ComposeInitializerTest.kt
index 3e6cc3bb4f6b..03e4f9ae1685 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/compose/ComposeInitializerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/compose/ComposeInitializerTest.kt
@@ -32,10 +32,6 @@ import org.junit.runner.RunWith
 class ComposeInitializerTest : SysuiTestCase() {
     @Test
     fun testCanAddComposeViewInInitializedWindow() {
-        if (!ComposeFacade.isComposeAvailable()) {
-            return
-        }
-
         val root = TestWindowRoot(context)
         try {
             runOnMainThreadAndWaitForIdleSync { ViewUtils.attachView(root) }
@@ -55,12 +51,12 @@ class ComposeInitializerTest : SysuiTestCase() {
     class TestWindowRoot(context: Context) : FrameLayout(context) {
         override fun onAttachedToWindow() {
             super.onAttachedToWindow()
-            ComposeFacade.composeInitializer().onAttachedToWindow(this)
+            ComposeInitializer.onAttachedToWindow(this)
         }
 
         override fun onDetachedFromWindow() {
             super.onDetachedFromWindow()
-            ComposeFacade.composeInitializer().onDetachedFromWindow(this)
+            ComposeInitializer.onDetachedFromWindow(this)
         }
     }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeysIndicatorCoordinatorTest.kt b/packages/SystemUI/tests/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeysIndicatorCoordinatorTest.kt
index a992956f5121..59d8fc3d3fd0 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeysIndicatorCoordinatorTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyboard/stickykeys/ui/StickyKeysIndicatorCoordinatorTest.kt
@@ -19,7 +19,6 @@ package com.android.systemui.keyboard.stickykeys.ui
 import android.app.Dialog
 import androidx.test.filters.SmallTest
 import com.android.systemui.SysuiTestCase
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.keyboard.data.repository.FakeStickyKeysRepository
 import com.android.systemui.keyboard.data.repository.keyboardRepository
 import com.android.systemui.keyboard.stickykeys.StickyKeysLogger
@@ -34,7 +33,6 @@ import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.StandardTestDispatcher
 import kotlinx.coroutines.test.TestScope
 import kotlinx.coroutines.test.runCurrent
-import org.junit.Assume
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -54,19 +52,22 @@ class StickyKeysIndicatorCoordinatorTest : SysuiTestCase() {
 
     @Before
     fun setup() {
-        Assume.assumeTrue(ComposeFacade.isComposeAvailable())
         val dialogFactory = mock<StickyKeyDialogFactory>()
         whenever(dialogFactory.create(any())).thenReturn(dialog)
         val keyboardRepository = Kosmos().keyboardRepository
-        val viewModel = StickyKeysIndicatorViewModel(
+        val viewModel =
+            StickyKeysIndicatorViewModel(
                 stickyKeysRepository,
                 keyboardRepository,
-                testScope.backgroundScope)
-        coordinator = StickyKeysIndicatorCoordinator(
+                testScope.backgroundScope
+            )
+        coordinator =
+            StickyKeysIndicatorCoordinator(
                 testScope.backgroundScope,
                 dialogFactory,
                 viewModel,
-                mock<StickyKeysLogger>())
+                mock<StickyKeysLogger>()
+            )
         coordinator.startListening()
         keyboardRepository.setIsAnyKeyboardConnected(true)
     }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/shade/GlanceableHubContainerControllerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/shade/GlanceableHubContainerControllerTest.kt
index 665fc750c742..96574e245d2d 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/shade/GlanceableHubContainerControllerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/shade/GlanceableHubContainerControllerTest.kt
@@ -35,7 +35,6 @@ import com.android.systemui.communal.domain.interactor.communalInteractor
 import com.android.systemui.communal.domain.interactor.setCommunalAvailable
 import com.android.systemui.communal.shared.model.CommunalSceneKey
 import com.android.systemui.communal.ui.viewmodel.CommunalViewModel
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.keyguard.domain.interactor.KeyguardTransitionInteractor
 import com.android.systemui.kosmos.Kosmos
 import com.android.systemui.kosmos.testDispatcher
@@ -52,9 +51,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.test.UnconfinedTestDispatcher
 import org.junit.After
 import org.junit.Assert.assertThrows
-import org.junit.Assume.assumeTrue
 import org.junit.Before
-import org.junit.BeforeClass
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.mockito.Mock
@@ -305,13 +302,5 @@ class GlanceableHubContainerControllerTest : SysuiTestCase() {
             MotionEvent.obtain(0L, 0L, MotionEvent.ACTION_DOWN, 0f, CONTAINER_HEIGHT.toFloat(), 0)
         private val MOVE_EVENT = MotionEvent.obtain(0L, 0L, MotionEvent.ACTION_MOVE, 0f, 0f, 0)
         private val UP_EVENT = MotionEvent.obtain(0L, 0L, MotionEvent.ACTION_UP, 0f, 0f, 0)
-
-        @BeforeClass
-        @JvmStatic
-        fun beforeClass() {
-            // Glanceable hub requires Compose, no point running any of these tests if compose isn't
-            // enabled.
-            assumeTrue(ComposeFacade.isComposeAvailable())
-        }
     }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationShadeWindowViewControllerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationShadeWindowViewControllerTest.kt
index b426d1de0b00..960fd59b4f10 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationShadeWindowViewControllerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/shade/NotificationShadeWindowViewControllerTest.kt
@@ -16,6 +16,7 @@
 
 package com.android.systemui.shade
 
+import org.mockito.Mockito.`when` as whenever
 import android.content.Context
 import android.testing.AndroidTestingRunner
 import android.testing.TestableLooper.RunWithLooper
@@ -33,7 +34,6 @@ import com.android.systemui.bouncer.domain.interactor.AlternateBouncerInteractor
 import com.android.systemui.bouncer.domain.interactor.PrimaryBouncerInteractor
 import com.android.systemui.bouncer.ui.binder.BouncerViewBinder
 import com.android.systemui.classifier.FalsingCollectorFake
-import com.android.systemui.compose.ComposeFacade.isComposeAvailable
 import com.android.systemui.dock.DockManager
 import com.android.systemui.dump.DumpManager
 import com.android.systemui.flags.FakeFeatureFlagsClassic
@@ -88,7 +88,6 @@ import org.mockito.Mockito.mock
 import org.mockito.Mockito.never
 import org.mockito.Mockito.times
 import org.mockito.Mockito.verify
-import org.mockito.Mockito.`when` as whenever
 import org.mockito.MockitoAnnotations
 
 @OptIn(ExperimentalCoroutinesApi::class)
@@ -511,10 +510,6 @@ class NotificationShadeWindowViewControllerTest : SysuiTestCase() {
     @Test
     @Ignore("b/321332798")
     fun setsUpCommunalHubLayout_whenFlagEnabled() {
-        if (!isComposeAvailable()) {
-            return
-        }
-
         whenever(mGlanceableHubContainerController.communalAvailable())
             .thenReturn(MutableStateFlow(true))
 
@@ -537,10 +532,6 @@ class NotificationShadeWindowViewControllerTest : SysuiTestCase() {
 
     @Test
     fun doesNotSetupCommunalHubLayout_whenFlagDisabled() {
-        if (!isComposeAvailable()) {
-            return
-        }
-
         whenever(mGlanceableHubContainerController.communalAvailable())
             .thenReturn(MutableStateFlow(false))
 
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/flags/SceneContainerRule.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/flags/SceneContainerRule.kt
index 3faa6eb8f5f2..4e05de27bb33 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/flags/SceneContainerRule.kt
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/flags/SceneContainerRule.kt
@@ -17,7 +17,6 @@
 package com.android.systemui.flags
 
 import android.util.Log
-import com.android.systemui.compose.ComposeFacade
 import com.android.systemui.scene.shared.flag.SceneContainerFlag
 import org.junit.Assert
 import org.junit.Assume
@@ -42,10 +41,6 @@ class SceneContainerRule : TestRule {
                         null || description?.getAnnotation(EnableSceneContainer::class.java) != null
                 if (hasAnnotation) {
                     Assume.assumeTrue(
-                        "Compose must be available for @EnableSceneContainer test",
-                        ComposeFacade.isComposeAvailable()
-                    )
-                    Assume.assumeTrue(
                         "Couldn't set Flags.SCENE_CONTAINER_ENABLED for @EnableSceneContainer test",
                         trySetSceneContainerEnabled(true)
                     )