diff --git a/packages/SystemUI/res/layout/controls_management_favorites.xml b/packages/SystemUI/res/layout/controls_management_favorites.xml
index a36dd1247a04e..62056e60372d8 100644
--- a/packages/SystemUI/res/layout/controls_management_favorites.xml
+++ b/packages/SystemUI/res/layout/controls_management_favorites.xml
@@ -21,15 +21,32 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
+    <TextView
+        android:id="@+id/error_message"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/controls_management_list_margin"
+        android:text="@string/controls_favorite_load_error"
+        android:textAppearance="?android:attr/textAppearanceSmall"
+        android:visibility="gone"
+        android:gravity="center_horizontal"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/text_favorites"
+    />
+
     <TextView
         android:id="@+id/text_favorites"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="FAVORITES"
+        android:layout_marginTop="@dimen/controls_management_list_margin"
+        android:text="@string/controls_favorite_header_favorites"
         android:textAppearance="?android:attr/textAppearanceSmall"
+        android:textAllCaps="true"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintBottom_toTopOf="@id/divider1"
-        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/error_message"
         />
 
     <View
@@ -60,8 +77,9 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="@dimen/controls_management_list_margin"
-        android:text="ALL"
+        android:text="@string/controls_favorite_header_all"
         android:textAppearance="?android:attr/textAppearanceSmall"
+        android:textAllCaps="true"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintBottom_toTopOf="@id/divider2"
         app:layout_constraintTop_toBottomOf="@id/listFavorites"
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index d596a5d4ecc14..6dd89d88d252e 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -2595,4 +2595,10 @@
     <string name="controls_favorite_default_title">Controls</string>
     <!-- Controls management controls screen subtitle [CHAR LIMIT=NONE] -->
     <string name="controls_favorite_subtitle">Choose controls for quick access</string>
+    <!-- Controls management controls screen favorites header [CHAR LIMIT=50] -->
+    <string name="controls_favorite_header_favorites">Favorites</string>
+    <!-- Controls management controls screen all header [CHAR LIMIT=50] -->
+    <string name="controls_favorite_header_all">All</string>
+    <!-- Controls management controls screen error on load message [CHAR LIMIT=50] -->
+    <string name="controls_favorite_load_error">The list of all controls could not be loaded.</string>
 </resources>
diff --git a/packages/SystemUI/src/com/android/systemui/controls/UserAwareController.kt b/packages/SystemUI/src/com/android/systemui/controls/UserAwareController.kt
index 4f39f2255a759..d2776d27ae62c 100644
--- a/packages/SystemUI/src/com/android/systemui/controls/UserAwareController.kt
+++ b/packages/SystemUI/src/com/android/systemui/controls/UserAwareController.kt
@@ -18,8 +18,11 @@ package com.android.systemui.controls
 
 import android.os.UserHandle
 
+/**
+ * An interface for controllers that keep track of the current user and can be notified of user
+ * changes.
+ */
 interface UserAwareController {
-
     fun changeUser(newUser: UserHandle) {}
     val currentUserId: Int
 }
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlInfo.kt b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlInfo.kt
index b6cca3f5b4e10..f62412069b92b 100644
--- a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlInfo.kt
+++ b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlInfo.kt
@@ -22,6 +22,15 @@ import android.util.Log
 
 /**
  * Stores basic information about a [Control] to persist and keep track of favorites.
+ *
+ * The identifier of this [Control] is the combination of [component] and [controlId]. The other
+ * two fields are there for persistence. In this way, basic information can be shown to the user
+ * before the service has to report on the status.
+ *
+ * @property component the name of the component that provides the [Control].
+ * @property controlId unique (for the given [component]) identifier for this [Control].
+ * @property controlTitle last title reported for this [Control].
+ * @property deviceType last reported type for this [Control].
  */
 data class ControlInfo(
     val component: ComponentName,
@@ -33,6 +42,14 @@ data class ControlInfo(
     companion object {
         private const val TAG = "ControlInfo"
         private const val SEPARATOR = ":"
+
+        /**
+         * Creates a [ControlInfo] from a [SEPARATOR] separated list of fields.
+         *
+         * @param separator fields of a [ControlInfo] separated by [SEPARATOR]
+         * @return a [ControlInfo] or `null` if there was an error.
+         * @see [ControlInfo.toString]
+         */
         fun createFromString(string: String): ControlInfo? {
             val parts = string.split(SEPARATOR)
             val component = ComponentName.unflattenFromString(parts[0])
@@ -53,6 +70,12 @@ data class ControlInfo(
                     if (DeviceTypes.validDeviceType(type)) type else DeviceTypes.TYPE_UNKNOWN)
         }
     }
+
+    /**
+     * Returns a [String] representation of the fields separated using [SEPARATOR].
+     *
+     * @return a [String] representation of `this`
+     */
     override fun toString(): String {
         return component.flattenToString() +
                 "$SEPARATOR$controlId$SEPARATOR$controlTitle$SEPARATOR$deviceType"
diff --git a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsBindingController.kt b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsBindingController.kt
index 12c3ce9c69ee3..7fae6a3249c65 100644
--- a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsBindingController.kt
+++ b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsBindingController.kt
@@ -18,13 +18,72 @@ package com.android.systemui.controls.controller
 
 import android.content.ComponentName
 import android.service.controls.Control
+import android.service.controls.ControlsProviderService
 import android.service.controls.actions.ControlAction
 import com.android.systemui.controls.UserAwareController
+import java.util.function.Consumer
 
+/**
+ * Controller for keeping track of any [ControlsProviderService] that needs to be bound.
+ *
+ * This controller serves as an interface between [ControlsController] and the services.
+ *
+ * This controller being a [UserAwareController] means that all binding and requests will be
+ * performed on services bound as the current user.
+ */
 interface ControlsBindingController : UserAwareController {
-    fun bindAndLoad(component: ComponentName, callback: (List<Control>) -> Unit)
+
+    /**
+     * Request bind to a service and load all controls.
+     *
+     * @param component The [ComponentName] of the service to bind
+     * @param callback a callback to return the loaded controls to (or an error).
+     */
+    fun bindAndLoad(component: ComponentName, callback: LoadCallback)
+
+    /**
+     * Request to bind to the given services.
+     *
+     * @param components a list of [ComponentName] of the services to bind
+     */
     fun bindServices(components: List<ComponentName>)
+
+    /**
+     * Send a subscribe message to retrieve status of a set of controls.
+     *
+     * The controls passed do not have to belong to a single [ControlsProviderService]. The
+     * corresponding service [ComponentName] is associated with each control.
+     *
+     * @param controls a list of controls with corresponding [ComponentName] to request status
+     *                 update
+     */
     fun subscribe(controls: List<ControlInfo>)
+
+    /**
+     * Send an action performed on a [Control].
+     *
+     * @param controlInfo information about the actioned control, including the [ComponentName]
+     * @param action the action performed on the control
+     */
     fun action(controlInfo: ControlInfo, action: ControlAction)
+
+    /**
+     * Unsubscribe from all services to stop status updates.
+     */
     fun unsubscribe()
+
+    /**
+     * Consumer for load calls.
+     *
+     * Supports also sending error messages.
+     */
+    interface LoadCallback : Consumer<List<Control>> {
+
+        /**
+         * Indicates an error loading.
+         *
+         * @message an error message.
+         */
+        fun error(message: String)
+    }
 }
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsBindingControllerImpl.kt b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsBindingControllerImpl.kt
index 0a2a9255c3eac..87bdfa8e04ec3 100644
--- a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsBindingControllerImpl.kt
+++ b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsBindingControllerImpl.kt
@@ -125,7 +125,10 @@ open class ControlsBindingControllerImpl @Inject constructor(
         }
     }
 
-    override fun bindAndLoad(component: ComponentName, callback: (List<Control>) -> Unit) {
+    override fun bindAndLoad(
+        component: ComponentName,
+        callback: ControlsBindingController.LoadCallback
+    ) {
         val provider = retrieveLifecycleManager(component)
         provider.maybeBindAndLoad(callback)
     }
@@ -230,7 +233,7 @@ open class ControlsBindingControllerImpl @Inject constructor(
                     return
                 }
             }
-            provider.lastLoadCallback?.invoke(list) ?: run {
+            provider.lastLoadCallback?.accept(list) ?: run {
                 Log.w(TAG, "Null callback")
             }
             provider.unbindService()
diff --git a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsController.kt b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsController.kt
index fce504120b624..4b89fd48972b3 100644
--- a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsController.kt
+++ b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsController.kt
@@ -18,33 +18,194 @@ package com.android.systemui.controls.controller
 
 import android.content.ComponentName
 import android.service.controls.Control
+import android.service.controls.ControlsProviderService
 import android.service.controls.actions.ControlAction
 import com.android.systemui.controls.ControlStatus
 import com.android.systemui.controls.UserAwareController
+import com.android.systemui.controls.management.ControlsFavoritingActivity
+import com.android.systemui.controls.ui.ControlsUiController
+import java.util.function.Consumer
 
+/**
+ * Controller to handle communication between different parts of the controls system.
+ *
+ * This controller is in charge of:
+ *  * Keeping track of favorites
+ *  * Determining and keeping track of whether controls are enabled
+ *  * Listening for user change and propagating that message in the system
+ *  * Communicate between the UI and the [ControlsBindingController]
+ *
+ *  This controller being a [UserAwareController] means that all operations will be conducted on
+ *  information for the current user only.
+ */
 interface ControlsController : UserAwareController {
+
+    /**
+     * Whether the controls system is available for the current user.
+     */
     val available: Boolean
 
-    fun getFavoriteControls(): List<ControlInfo>
+    // SERVICE COMMUNICATION
+
+    /**
+     * Load all available [Control] for a given service.
+     *
+     * @param componentName the [ComponentName] of the [ControlsProviderService] to load from
+     * @param dataCallback a callback in which to retrieve the result.
+     */
     fun loadForComponent(
         componentName: ComponentName,
-        callback: (List<ControlStatus>, List<String>) -> Unit
+        dataCallback: Consumer<LoadData>
     )
 
+    /**
+     * Request to subscribe for all favorite controls.
+     *
+     * @see [ControlsBindingController.subscribe]
+     */
     fun subscribeToFavorites()
-    fun changeFavoriteStatus(controlInfo: ControlInfo, state: Boolean)
-    fun replaceFavoritesForComponent(componentName: ComponentName, favorites: List<ControlInfo>)
-
-    fun getFavoritesForComponent(componentName: ComponentName): List<ControlInfo>
-    fun countFavoritesForComponent(componentName: ComponentName): Int
 
+    /**
+     * Request to unsubscribe to all providers.
+     *
+     * @see [ControlsBindingController.unsubscribe]
+     */
     fun unsubscribe()
+
+    /**
+     * Notify a [ControlsProviderService] that an action has been performed on a [Control].
+     *
+     * @param controlInfo information of the [Control] receiving the action
+     * @param action action performed on the [Control]
+     * @see [ControlsBindingController.action]
+     */
     fun action(controlInfo: ControlInfo, action: ControlAction)
+
+    /**
+     * Refresh the status of a [Control] with information provided from the service.
+     *
+     * @param componentName the name of the service that provides the [Control]
+     * @param control a stateful [Control] with updated information
+     * @see [ControlsUiController.onRefreshState]
+     */
     fun refreshStatus(componentName: ComponentName, control: Control)
+
+    /**
+     * Indicate the result of a [ControlAction] performed on a [Control].
+     *
+     * @param componentName the name of the service that provides the [Control]
+     * @param controlId the id of the [Control] the actioned was performed on
+     * @param response the result of the action.
+     * @see [ControlsUiController.onActionResponse]
+     */
     fun onActionResponse(
         componentName: ComponentName,
         controlId: String,
         @ControlAction.ResponseResult response: Int
     )
+
+    // FAVORITE MANAGEMENT
+
+    /**
+     * Get a list of all favorite controls.
+     *
+     * @return a list of [ControlInfo] with persistent information about the controls, including
+     *         their corresponding [ComponentName].
+     */
+    fun getFavoriteControls(): List<ControlInfo>
+
+    /**
+     * Get all the favorites for a given component.
+     *
+     * @param componentName the name of the component of the [ControlsProviderService] with
+     *                      which to filter the favorites.
+     * @return a list of the favorite controls for the given service. All the elements of the list
+     *         will have the same [ControlInfo.component] matching the one requested.
+     */
+    fun getFavoritesForComponent(componentName: ComponentName): List<ControlInfo>
+
+    /**
+     * Replaces the favorites for the given component.
+     *
+     * Calling this method will eliminate the previous selection of favorites and replace it with a
+     * new one.
+     *
+     * @param componentName The name of the component for the [ControlsProviderService]
+     * @param favorites a list of [ControlInfo] to replace the previous favorites.
+     */
+    fun replaceFavoritesForComponent(componentName: ComponentName, favorites: List<ControlInfo>)
+
+    /**
+     * Change the favorite status of a single [Control].
+     *
+     * If the control is added to favorites, it will be added to the end of the list for that
+     * particular component. Matching for removing the control will be done based on
+     * [ControlInfo.component] and [ControlInfo.controlId].
+     *
+     * Trying to add an already favorite control or trying to remove one that is not a favorite is
+     * a no-op.
+     *
+     * @param controlInfo persistent information about the [Control].
+     * @param state `true` to add to favorites and `false` to remove.
+     */
+    fun changeFavoriteStatus(controlInfo: ControlInfo, state: Boolean)
+
+    /**
+     * Return the number of favorites for a given component.
+     *
+     * This call returns the same as `getFavoritesForComponent(componentName).size`.
+     *
+     * @param componentName the name of the component
+     * @return the number of current favorites for the given component
+     */
+    fun countFavoritesForComponent(componentName: ComponentName): Int
+
+    /**
+     * Clears the list of all favorites.
+     *
+     * To clear the list of favorites for a given service, call [replaceFavoritesForComponent] with
+     * an empty list.
+     */
     fun clearFavorites()
+
+    /**
+     * Interface for structure to pass data to [ControlsFavoritingActivity].
+     */
+    interface LoadData {
+        /**
+         * All of the available controls for the loaded [ControlsProviderService].
+         *
+         * This will indicate if they are currently a favorite and whether they were removed (a
+         * favorite but not retrieved on load).
+         */
+        val allControls: List<ControlStatus>
+
+        /**
+         * Ordered list of ids of favorite controls.
+         */
+        val favoritesIds: List<String>
+
+        /**
+         * Whether there was an error in loading.
+         *
+         * In this case, [allControls] will only contain those that were favorited and will not be
+         * marked as removed.
+         */
+        val errorOnLoad: Boolean
+    }
+}
+
+/**
+ * Creates a basic implementation of a [LoadData].
+ */
+fun createLoadDataObject(
+    allControls: List<ControlStatus>,
+    favorites: List<String>,
+    error: Boolean = false
+): ControlsController.LoadData {
+    return object : ControlsController.LoadData {
+        override val allControls = allControls
+        override val favoritesIds = favorites
+        override val errorOnLoad = error
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsControllerImpl.kt b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsControllerImpl.kt
index e611197b78ae8..50ad515f0ae04 100644
--- a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsControllerImpl.kt
+++ b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsControllerImpl.kt
@@ -38,7 +38,6 @@ import com.android.systemui.DumpController
 import com.android.systemui.Dumpable
 import com.android.systemui.broadcast.BroadcastDispatcher
 import com.android.systemui.controls.ControlStatus
-import com.android.systemui.controls.management.ControlsFavoritingActivity
 import com.android.systemui.controls.management.ControlsListingController
 import com.android.systemui.controls.ui.ControlsUiController
 import com.android.systemui.dagger.qualifiers.Background
@@ -47,6 +46,7 @@ import java.io.FileDescriptor
 import java.io.PrintWriter
 import java.util.Optional
 import java.util.concurrent.TimeUnit
+import java.util.function.Consumer
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -188,47 +188,74 @@ class ControlsControllerImpl @Inject constructor (
 
     override fun loadForComponent(
         componentName: ComponentName,
-        callback: (List<ControlStatus>, List<String>) -> Unit
+        dataCallback: Consumer<ControlsController.LoadData>
     ) {
         if (!confirmAvailability()) {
             if (userChanging) {
                 // Try again later, userChanging should not last forever. If so, we have bigger
                 // problems
                 executor.executeDelayed(
-                        { loadForComponent(componentName, callback) },
+                        { loadForComponent(componentName, dataCallback) },
                         USER_CHANGE_RETRY_DELAY,
                         TimeUnit.MILLISECONDS
                 )
             } else {
-                callback(emptyList(), emptyList())
+                dataCallback.accept(createLoadDataObject(emptyList(), emptyList(), true))
             }
             return
         }
-        bindingController.bindAndLoad(componentName) {
-            synchronized(currentFavorites) {
-                val favoritesForComponentKeys: List<String> =
-                        currentFavorites.getValue(componentName).map { it.controlId }
-                val changed = updateFavoritesLocked(componentName, it, favoritesForComponentKeys)
-                if (changed) {
-                    persistenceWrapper.storeFavorites(favoritesAsListLocked())
+        bindingController.bindAndLoad(
+                componentName,
+                object : ControlsBindingController.LoadCallback {
+                    override fun accept(controls: List<Control>) {
+                        val loadData = synchronized(currentFavorites) {
+                            val favoritesForComponentKeys: List<String> =
+                                    currentFavorites.getValue(componentName).map { it.controlId }
+                            val changed = updateFavoritesLocked(componentName, controls,
+                                    favoritesForComponentKeys)
+                            if (changed) {
+                                persistenceWrapper.storeFavorites(favoritesAsListLocked())
+                            }
+                            val removed = findRemovedLocked(favoritesForComponentKeys.toSet(),
+                                    controls)
+                            val controlsWithFavorite = controls.map {
+                                ControlStatus(it, it.controlId in favoritesForComponentKeys)
+                            }
+                            createLoadDataObject(
+                                    currentFavorites.getValue(componentName)
+                                            .filter { it.controlId in removed }
+                                            .map { createRemovedStatus(it) } +
+                                            controlsWithFavorite,
+                                    favoritesForComponentKeys
+                            )
+                        }
+                        dataCallback.accept(loadData)
+                    }
+
+                    override fun error(message: String) {
+                        val loadData = synchronized(currentFavorites) {
+                            val favoritesForComponent = currentFavorites.getValue(componentName)
+                            val favoritesForComponentKeys = favoritesForComponent
+                                    .map { it.controlId }
+                            createLoadDataObject(
+                                    favoritesForComponent.map { createRemovedStatus(it, false) },
+                                    favoritesForComponentKeys,
+                                    true
+                            )
+                        }
+                        dataCallback.accept(loadData)
+                    }
                 }
-                val removed = findRemovedLocked(favoritesForComponentKeys.toSet(), it)
-                val controlsWithFavorite =
-                        it.map { ControlStatus(it, it.controlId in favoritesForComponentKeys) }
-                callback(
-                        currentFavorites.getValue(componentName)
-                                .filter { it.controlId in removed }
-                                .map(::createRemovedStatus) + controlsWithFavorite,
-                        favoritesForComponentKeys
-                )
-            }
-        }
+        )
     }
 
-    private fun createRemovedStatus(controlInfo: ControlInfo): ControlStatus {
-        val intent = Intent(context, ControlsFavoritingActivity::class.java).apply {
-            putExtra(Intent.EXTRA_COMPONENT_NAME, controlInfo.component)
-            flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_SINGLE_TOP
+    private fun createRemovedStatus(
+        controlInfo: ControlInfo,
+        setRemoved: Boolean = true
+    ): ControlStatus {
+        val intent = Intent(Intent.ACTION_MAIN).apply {
+            addCategory(Intent.CATEGORY_LAUNCHER)
+            this.`package` = controlInfo.component.packageName
         }
         val pendingIntent = PendingIntent.getActivity(context,
                 controlInfo.component.hashCode(),
@@ -238,7 +265,7 @@ class ControlsControllerImpl @Inject constructor (
                 .setTitle(controlInfo.controlTitle)
                 .setDeviceType(controlInfo.deviceType)
                 .build()
-        return ControlStatus(control, true, true)
+        return ControlStatus(control, true, setRemoved)
     }
 
     @GuardedBy("currentFavorites")
diff --git a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsFavoritePersistenceWrapper.kt b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsFavoritePersistenceWrapper.kt
index 7d1df14bbf1b8..d7f3c73a0bec0 100644
--- a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsFavoritePersistenceWrapper.kt
+++ b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsFavoritePersistenceWrapper.kt
@@ -19,9 +19,7 @@ package com.android.systemui.controls.controller
 import android.content.ComponentName
 import android.util.AtomicFile
 import android.util.Log
-import android.util.Slog
 import android.util.Xml
-import com.android.systemui.util.concurrency.DelayableExecutor
 import libcore.io.IoUtils
 import org.xmlpull.v1.XmlPullParser
 import org.xmlpull.v1.XmlPullParserException
@@ -29,10 +27,18 @@ import java.io.File
 import java.io.FileInputStream
 import java.io.FileNotFoundException
 import java.io.IOException
+import java.util.concurrent.Executor
 
+/**
+ * Manages persistence of favorite controls.
+ *
+ * This class uses an [AtomicFile] to serialize the favorite controls to an xml.
+ * @property file a file location for storing/reading the favorites.
+ * @property executor an executor in which to execute storing the favorites.
+ */
 class ControlsFavoritePersistenceWrapper(
     private var file: File,
-    private var executor: DelayableExecutor
+    private val executor: Executor
 ) {
 
     companion object {
@@ -46,10 +52,20 @@ class ControlsFavoritePersistenceWrapper(
         private const val TAG_TYPE = "type"
     }
 
+    /**
+     * Change the file location for storing/reading the favorites
+     *
+     * @param fileName new location
+     */
     fun changeFile(fileName: File) {
         file = fileName
     }
 
+    /**
+     * Stores the list of favorites in the corresponding file.
+     *
+     * @param list a list of favorite controls. The list will be stored in the same order.
+     */
     fun storeFavorites(list: List<ControlInfo>) {
         executor.execute {
             Log.d(TAG, "Saving data to file: $file")
@@ -87,6 +103,12 @@ class ControlsFavoritePersistenceWrapper(
         }
     }
 
+    /**
+     * Stores the list of favorites in the corresponding file.
+     *
+     * @return a list of stored favorite controls. Return an empty list if the file is not found
+     * @throws [IllegalStateException] if there is an error while reading the file
+     */
     fun readFavorites(): List<ControlInfo> {
         if (!file.exists()) {
             Log.d(TAG, "No favorites, returning empty list")
@@ -95,7 +117,7 @@ class ControlsFavoritePersistenceWrapper(
         val reader = try {
             FileInputStream(file)
         } catch (fnfe: FileNotFoundException) {
-            Slog.i(TAG, "No file found")
+            Log.i(TAG, "No file found")
             return emptyList()
         }
         try {
diff --git a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsProviderLifecycleManager.kt b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsProviderLifecycleManager.kt
index b4bd82c84e1a5..e09d20b5069e9 100644
--- a/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsProviderLifecycleManager.kt
+++ b/packages/SystemUI/src/com/android/systemui/controls/controller/ControlsProviderLifecycleManager.kt
@@ -25,7 +25,7 @@ import android.os.Bundle
 import android.os.IBinder
 import android.os.RemoteException
 import android.os.UserHandle
-import android.service.controls.Control
+import android.service.controls.ControlsProviderService
 import android.service.controls.ControlsProviderService.CALLBACK_BUNDLE
 import android.service.controls.ControlsProviderService.CALLBACK_TOKEN
 import android.service.controls.IControlsActionCallback
@@ -40,7 +40,23 @@ import com.android.internal.annotations.GuardedBy
 import com.android.systemui.util.concurrency.DelayableExecutor
 import java.util.concurrent.TimeUnit
 
-typealias LoadCallback = (List<Control>) -> Unit
+/**
+ * Manager for the lifecycle of the connection to a given [ControlsProviderService].
+ *
+ * This class handles binding and unbinding and requests to the service. The class will queue
+ * requests until the service is connected and dispatch them then.
+ *
+ * @property context A SystemUI context for binding to the services
+ * @property executor A delayable executor for posting timeouts
+ * @property loadCallbackService a callback interface to hand the remote service for loading
+ *                               controls
+ * @property actionCallbackService a callback interface to hand the remote service for sending
+ *                                 action responses
+ * @property subscriberService an "subscriber" interface for requesting and accepting updates for
+ *                             controls from the service.
+ * @property user the user for whose this service should be bound.
+ * @property componentName the name of the component for the service.
+ */
 class ControlsProviderLifecycleManager(
     private val context: Context,
     private val executor: DelayableExecutor,
@@ -51,7 +67,7 @@ class ControlsProviderLifecycleManager(
     val componentName: ComponentName
 ) : IBinder.DeathRecipient {
 
-    var lastLoadCallback: LoadCallback? = null
+    var lastLoadCallback: ControlsBindingController.LoadCallback? = null
         private set
     val token: IBinder = Binder()
     @GuardedBy("subscriptions")
@@ -187,7 +203,7 @@ class ControlsProviderLifecycleManager(
         }
     }
 
-    private fun invokeOrQueue(f: () -> Unit, msg: Message) {
+    private inline fun invokeOrQueue(f: () -> Unit, msg: Message) {
         wrapper?.run {
             f()
         } ?: run {
@@ -196,18 +212,37 @@ class ControlsProviderLifecycleManager(
         }
     }
 
-    fun maybeBindAndLoad(callback: LoadCallback) {
+    /**
+     * Request a call to [ControlsProviderService.loadAvailableControls].
+     *
+     * If the service is not bound, the call will be queued and the service will be bound first.
+     * The service will be bound after the controls are returned or the call times out.
+     *
+     * @param callback a callback in which to return the result back. If the call times out
+     *                 [ControlsBindingController.LoadCallback.error] will be called instead.
+     */
+    fun maybeBindAndLoad(callback: ControlsBindingController.LoadCallback) {
         unqueueMessage(Message.Unbind)
         lastLoadCallback = callback
         onLoadCanceller = executor.executeDelayed({
-            // Didn't receive a response in time, log and send back empty list
+            // Didn't receive a response in time, log and send back error
             Log.d(TAG, "Timeout waiting onLoad for $componentName")
-            loadCallbackService.accept(token, emptyList())
+            callback.error("Timeout waiting onLoad")
+            // Don't accept load callbacks after this
+            lastLoadCallback = null
+            unbindService()
         }, LOAD_TIMEOUT, TimeUnit.MILLISECONDS)
 
         invokeOrQueue(::load, Message.Load)
     }
 
+    /**
+     * Request a subscription to the [Publisher] returned by [ControlsProviderService.publisherFor]
+     *
+     * If the service is not bound, the call will be queued and the service will be bound first.
+     *
+     * @param controlIds a list of the ids of controls to send status back.
+     */
     fun maybeBindAndSubscribe(controlIds: List<String>) {
         invokeOrQueue({ subscribe(controlIds) }, Message.Subscribe(controlIds))
     }
@@ -222,6 +257,14 @@ class ControlsProviderLifecycleManager(
         }
     }
 
+    /**
+     * Request a call to [ControlsProviderService.performControlAction].
+     *
+     * If the service is not bound, the call will be queued and the service will be bound first.
+     *
+     * @param controlId the id of the [Control] the action is performed on
+     * @param action the action performed
+     */
     fun maybeBindAndSendAction(controlId: String, action: ControlAction) {
         invokeOrQueue({ action(controlId, action) }, Message.Action(controlId, action))
     }
@@ -236,6 +279,12 @@ class ControlsProviderLifecycleManager(
         }
     }
 
+    /**
+     * Starts the subscription to the [ControlsProviderService] and requests status of controls.
+     *
+     * @param subscription the subscriber to use to request controls
+     * @see maybeBindAndLoad
+     */
     fun startSubscription(subscription: IControlsSubscription) {
         synchronized(subscriptions) {
             subscriptions.add(subscription)
@@ -243,6 +292,9 @@ class ControlsProviderLifecycleManager(
         wrapper?.request(subscription, MAX_CONTROLS_REQUEST)
     }
 
+    /**
+     * Unsubscribe from this service, cancelling all status requests.
+     */
     fun unsubscribe() {
         if (DEBUG) {
             Log.d(TAG, "unsubscribe $componentName")
@@ -260,11 +312,17 @@ class ControlsProviderLifecycleManager(
         }
     }
 
+    /**
+     * Request bind to the service.
+     */
     fun bindService() {
         unqueueMessage(Message.Unbind)
         bindService(true)
     }
 
+    /**
+     * Request unbind from the service.
+     */
     fun unbindService() {
         lastLoadCallback = null
         onLoadCanceller?.run()
@@ -281,6 +339,9 @@ class ControlsProviderLifecycleManager(
         }.toString()
     }
 
+    /**
+     * Messages for the internal queue.
+     */
     sealed class Message {
         abstract val type: Int
         object Load : Message() {
diff --git a/packages/SystemUI/src/com/android/systemui/controls/controller/ServiceWrapper.kt b/packages/SystemUI/src/com/android/systemui/controls/controller/ServiceWrapper.kt
index 5c812b1347e54..b90f892d5d266 100644
--- a/packages/SystemUI/src/com/android/systemui/controls/controller/ServiceWrapper.kt
+++ b/packages/SystemUI/src/com/android/systemui/controls/controller/ServiceWrapper.kt
@@ -25,12 +25,17 @@ import android.service.controls.IControlsSubscription
 import android.service.controls.actions.ControlActionWrapper
 import android.util.Log
 
+/**
+ * Wrapper for the service calls.
+ *
+ * Calling all [IControlsProvider] methods through here will wrap them in a try/catch block.
+ */
 class ServiceWrapper(val service: IControlsProvider) {
     companion object {
         private const val TAG = "ServiceWrapper"
     }
 
-    private fun callThroughService(block: () -> Unit): Boolean {
+    private inline fun callThroughService(block: () -> Unit): Boolean {
         try {
             block()
             return true
diff --git a/packages/SystemUI/src/com/android/systemui/controls/management/ControlsFavoritingActivity.kt b/packages/SystemUI/src/com/android/systemui/controls/management/ControlsFavoritingActivity.kt
index 1e52371481880..9952b976a2542 100644
--- a/packages/SystemUI/src/com/android/systemui/controls/management/ControlsFavoritingActivity.kt
+++ b/packages/SystemUI/src/com/android/systemui/controls/management/ControlsFavoritingActivity.kt
@@ -21,6 +21,7 @@ import android.content.ComponentName
 import android.content.Intent
 import android.os.Bundle
 import android.view.LayoutInflater
+import android.view.View
 import android.view.ViewStub
 import android.widget.Button
 import android.widget.TextView
@@ -34,6 +35,7 @@ import com.android.systemui.controls.controller.ControlsControllerImpl
 import com.android.systemui.dagger.qualifiers.Main
 import com.android.systemui.settings.CurrentUserTracker
 import java.util.concurrent.Executor
+import java.util.function.Consumer
 import javax.inject.Inject
 
 class ControlsFavoritingActivity @Inject constructor(
@@ -51,6 +53,7 @@ class ControlsFavoritingActivity @Inject constructor(
     private lateinit var adapterAll: ControlAdapter
     private lateinit var recyclerViewFavorites: RecyclerView
     private lateinit var adapterFavorites: ControlAdapter
+    private lateinit var errorText: TextView
     private var component: ComponentName? = null
 
     private var currentModel: FavoriteModel? = null
@@ -96,6 +99,7 @@ class ControlsFavoritingActivity @Inject constructor(
 
         val app = intent.getCharSequenceExtra(EXTRA_APP)
         component = intent.getParcelableExtra<ComponentName>(Intent.EXTRA_COMPONENT_NAME)
+        errorText = requireViewById(R.id.error_message)
 
         setUpRecyclerViews()
 
@@ -118,7 +122,10 @@ class ControlsFavoritingActivity @Inject constructor(
         }
 
         component?.let {
-            controller.loadForComponent(it) { allControls, favoriteKeys ->
+            controller.loadForComponent(it, Consumer { data ->
+                val allControls = data.allControls
+                val favoriteKeys = data.favoritesIds
+                val error = data.errorOnLoad
                 executor.execute {
                     val favoriteModel = FavoriteModel(
                         allControls,
@@ -128,8 +135,9 @@ class ControlsFavoritingActivity @Inject constructor(
                     adapterAll.changeFavoritesModel(favoriteModel)
                     adapterFavorites.changeFavoritesModel(favoriteModel)
                     currentModel = favoriteModel
+                    errorText.visibility = if (error) View.VISIBLE else View.GONE
                 }
-            }
+            })
         }
 
         currentUserTracker.startTracking()
diff --git a/packages/SystemUI/src/com/android/systemui/controls/management/ControlsListingController.kt b/packages/SystemUI/src/com/android/systemui/controls/management/ControlsListingController.kt
index 34db684022fb0..d893caabdb36b 100644
--- a/packages/SystemUI/src/com/android/systemui/controls/management/ControlsListingController.kt
+++ b/packages/SystemUI/src/com/android/systemui/controls/management/ControlsListingController.kt
@@ -21,11 +21,26 @@ import com.android.settingslib.widget.CandidateInfo
 import com.android.systemui.controls.UserAwareController
 import com.android.systemui.statusbar.policy.CallbackController
 
+/**
+ * Controller for keeping track of services that can be bound given a particular [ServiceListing].
+ */
 interface ControlsListingController :
         CallbackController<ControlsListingController.ControlsListingCallback>,
         UserAwareController {
 
+    /**
+     * @return the current list of services that satisfies the [ServiceListing].
+     */
     fun getCurrentServices(): List<CandidateInfo>
+
+    /**
+     * Get the app label for a given component.
+     *
+     * This call may do Binder calls (to [PackageManager])
+     *
+     * @param name the component name to retrieve the label
+     * @return the label for the component
+     */
     fun getAppLabel(name: ComponentName): CharSequence? = ""
 
     @FunctionalInterface
diff --git a/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsBindingControllerImplTest.kt b/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsBindingControllerImplTest.kt
index 89c1636e953fa..40075c8413d2b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsBindingControllerImplTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsBindingControllerImplTest.kt
@@ -86,7 +86,11 @@ class ControlsBindingControllerTest : SysuiTestCase() {
 
     @Test
     fun testBindAndLoad() {
-        val callback: (List<Control>) -> Unit = {}
+        val callback = object : ControlsBindingController.LoadCallback {
+            override fun error(message: String) {}
+
+            override fun accept(t: List<Control>) {}
+        }
         controller.bindAndLoad(TEST_COMPONENT_NAME_1, callback)
 
         assertEquals(1, providers.size)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsControllerImplTest.kt b/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsControllerImplTest.kt
index 751217f03fa3d..e5ec2dd887674 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsControllerImplTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsControllerImplTest.kt
@@ -56,6 +56,7 @@ import org.mockito.Mockito.reset
 import org.mockito.Mockito.verify
 import org.mockito.MockitoAnnotations
 import java.util.Optional
+import java.util.function.Consumer
 
 @SmallTest
 @RunWith(AndroidTestingRunner::class)
@@ -79,7 +80,8 @@ class ControlsControllerImplTest : SysuiTestCase() {
     @Captor
     private lateinit var controlInfoListCaptor: ArgumentCaptor<List<ControlInfo>>
     @Captor
-    private lateinit var controlLoadCallbackCaptor: ArgumentCaptor<(List<Control>) -> Unit>
+    private lateinit var controlLoadCallbackCaptor:
+            ArgumentCaptor<ControlsBindingController.LoadCallback>
     @Captor
     private lateinit var broadcastReceiverCaptor: ArgumentCaptor<BroadcastReceiver>
 
@@ -226,13 +228,13 @@ class ControlsControllerImplTest : SysuiTestCase() {
         val newControlInfo = TEST_CONTROL_INFO.copy(controlTitle = TEST_CONTROL_TITLE_2)
         val control = builderFromInfo(newControlInfo).build()
 
-        controller.loadForComponent(TEST_COMPONENT) { _, _ -> Unit }
+        controller.loadForComponent(TEST_COMPONENT, Consumer {})
 
         reset(persistenceWrapper)
         verify(bindingController).bindAndLoad(eq(TEST_COMPONENT),
                 capture(controlLoadCallbackCaptor))
 
-        controlLoadCallbackCaptor.value.invoke(listOf(control))
+        controlLoadCallbackCaptor.value.accept(listOf(control))
 
         verify(persistenceWrapper).storeFavorites(listOf(newControlInfo))
     }
@@ -294,19 +296,22 @@ class ControlsControllerImplTest : SysuiTestCase() {
         var loaded = false
         val control = builderFromInfo(TEST_CONTROL_INFO).build()
 
-        controller.loadForComponent(TEST_COMPONENT) { controls, favorites ->
+        controller.loadForComponent(TEST_COMPONENT, Consumer { data ->
+            val controls = data.allControls
+            val favorites = data.favoritesIds
             loaded = true
             assertEquals(1, controls.size)
             val controlStatus = controls[0]
             assertEquals(ControlStatus(control, false), controlStatus)
 
             assertTrue(favorites.isEmpty())
-        }
+            assertFalse(data.errorOnLoad)
+        })
 
         verify(bindingController).bindAndLoad(eq(TEST_COMPONENT),
                 capture(controlLoadCallbackCaptor))
 
-        controlLoadCallbackCaptor.value.invoke(listOf(control))
+        controlLoadCallbackCaptor.value.accept(listOf(control))
 
         assertTrue(loaded)
     }
@@ -318,7 +323,9 @@ class ControlsControllerImplTest : SysuiTestCase() {
         val control2 = builderFromInfo(TEST_CONTROL_INFO_2).build()
         controller.changeFavoriteStatus(TEST_CONTROL_INFO, true)
 
-        controller.loadForComponent(TEST_COMPONENT) { controls, favorites ->
+        controller.loadForComponent(TEST_COMPONENT, Consumer { data ->
+            val controls = data.allControls
+            val favorites = data.favoritesIds
             loaded = true
             assertEquals(2, controls.size)
             val controlStatus = controls.first { it.control.controlId == TEST_CONTROL_ID }
@@ -329,12 +336,13 @@ class ControlsControllerImplTest : SysuiTestCase() {
 
             assertEquals(1, favorites.size)
             assertEquals(TEST_CONTROL_ID, favorites[0])
-        }
+            assertFalse(data.errorOnLoad)
+        })
 
         verify(bindingController).bindAndLoad(eq(TEST_COMPONENT),
                 capture(controlLoadCallbackCaptor))
 
-        controlLoadCallbackCaptor.value.invoke(listOf(control, control2))
+        controlLoadCallbackCaptor.value.accept(listOf(control, control2))
 
         assertTrue(loaded)
     }
@@ -344,7 +352,9 @@ class ControlsControllerImplTest : SysuiTestCase() {
         var loaded = false
         controller.changeFavoriteStatus(TEST_CONTROL_INFO, true)
 
-        controller.loadForComponent(TEST_COMPONENT) { controls, favorites ->
+        controller.loadForComponent(TEST_COMPONENT, Consumer { data ->
+            val controls = data.allControls
+            val favorites = data.favoritesIds
             loaded = true
             assertEquals(1, controls.size)
             val controlStatus = controls[0]
@@ -354,12 +364,41 @@ class ControlsControllerImplTest : SysuiTestCase() {
 
             assertEquals(1, favorites.size)
             assertEquals(TEST_CONTROL_ID, favorites[0])
-        }
+            assertFalse(data.errorOnLoad)
+        })
 
         verify(bindingController).bindAndLoad(eq(TEST_COMPONENT),
                 capture(controlLoadCallbackCaptor))
 
-        controlLoadCallbackCaptor.value.invoke(emptyList())
+        controlLoadCallbackCaptor.value.accept(emptyList())
+
+        assertTrue(loaded)
+    }
+
+    @Test
+    fun testErrorOnLoad_notRemoved() {
+        var loaded = false
+        controller.changeFavoriteStatus(TEST_CONTROL_INFO, true)
+
+        controller.loadForComponent(TEST_COMPONENT, Consumer { data ->
+            val controls = data.allControls
+            val favorites = data.favoritesIds
+            loaded = true
+            assertEquals(1, controls.size)
+            val controlStatus = controls[0]
+            assertEquals(TEST_CONTROL_ID, controlStatus.control.controlId)
+            assertTrue(controlStatus.favorite)
+            assertFalse(controlStatus.removed)
+
+            assertEquals(1, favorites.size)
+            assertEquals(TEST_CONTROL_ID, favorites[0])
+            assertTrue(data.errorOnLoad)
+        })
+
+        verify(bindingController).bindAndLoad(eq(TEST_COMPONENT),
+                capture(controlLoadCallbackCaptor))
+
+        controlLoadCallbackCaptor.value.error("")
 
         assertTrue(loaded)
     }
@@ -370,12 +409,12 @@ class ControlsControllerImplTest : SysuiTestCase() {
         val newControlInfo = TEST_CONTROL_INFO.copy(controlTitle = TEST_CONTROL_TITLE_2)
         val control = builderFromInfo(newControlInfo).build()
 
-        controller.loadForComponent(TEST_COMPONENT) { _, _ -> Unit }
+        controller.loadForComponent(TEST_COMPONENT, Consumer {})
 
         verify(bindingController).bindAndLoad(eq(TEST_COMPONENT),
                 capture(controlLoadCallbackCaptor))
 
-        controlLoadCallbackCaptor.value.invoke(listOf(control))
+        controlLoadCallbackCaptor.value.accept(listOf(control))
 
         val favorites = controller.getFavoriteControls()
         assertEquals(1, favorites.size)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsProviderLifecycleManagerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsProviderLifecycleManagerTest.kt
index 40566dc39c9e5..ddd6b125dcfae 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsProviderLifecycleManagerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/controls/controller/ControlsProviderLifecycleManagerTest.kt
@@ -18,7 +18,6 @@ package com.android.systemui.controls.controller
 
 import android.content.ComponentName
 import android.os.UserHandle
-import android.service.controls.Control
 import android.service.controls.IControlsActionCallback
 import android.service.controls.IControlsLoadCallback
 import android.service.controls.IControlsProvider
@@ -28,7 +27,6 @@ import android.service.controls.actions.ControlActionWrapper
 import android.testing.AndroidTestingRunner
 import androidx.test.filters.SmallTest
 import com.android.systemui.SysuiTestCase
-import com.android.systemui.util.concurrency.DelayableExecutor
 import com.android.systemui.util.concurrency.FakeExecutor
 import com.android.systemui.util.time.FakeSystemClock
 import org.junit.After
@@ -41,6 +39,7 @@ import org.junit.Test
 import org.junit.runner.RunWith
 import org.mockito.ArgumentCaptor
 import org.mockito.ArgumentMatchers
+import org.mockito.ArgumentMatchers.anyString
 import org.mockito.ArgumentMatchers.eq
 import org.mockito.Captor
 import org.mockito.Mock
@@ -53,20 +52,22 @@ import org.mockito.MockitoAnnotations
 class ControlsProviderLifecycleManagerTest : SysuiTestCase() {
 
     @Mock
-    private lateinit var actionCallback: IControlsActionCallback.Stub
+    private lateinit var actionCallbackService: IControlsActionCallback.Stub
     @Mock
-    private lateinit var loadCallback: IControlsLoadCallback.Stub
+    private lateinit var loadCallbackService: IControlsLoadCallback.Stub
     @Mock
-    private lateinit var subscriber: IControlsSubscriber.Stub
+    private lateinit var subscriberService: IControlsSubscriber.Stub
     @Mock
     private lateinit var service: IControlsProvider.Stub
+    @Mock
+    private lateinit var loadCallback: ControlsBindingController.LoadCallback
 
     @Captor
     private lateinit var wrapperCaptor: ArgumentCaptor<ControlActionWrapper>
 
     private val componentName = ComponentName("test.pkg", "test.cls")
     private lateinit var manager: ControlsProviderLifecycleManager
-    private lateinit var executor: DelayableExecutor
+    private lateinit var executor: FakeExecutor
 
     companion object {
         fun <T> capture(argumentCaptor: ArgumentCaptor<T>): T = argumentCaptor.capture()
@@ -84,9 +85,9 @@ class ControlsProviderLifecycleManagerTest : SysuiTestCase() {
         manager = ControlsProviderLifecycleManager(
                 context,
                 executor,
-                loadCallback,
-                actionCallback,
-                subscriber,
+                loadCallbackService,
+                actionCallbackService,
+                subscriberService,
                 UserHandle.of(0),
                 componentName
         )
@@ -112,31 +113,40 @@ class ControlsProviderLifecycleManagerTest : SysuiTestCase() {
 
     @Test
     fun testMaybeBindAndLoad() {
-        val callback: (List<Control>) -> Unit = {}
-        manager.maybeBindAndLoad(callback)
+        manager.maybeBindAndLoad(loadCallback)
 
-        verify(service).load(loadCallback)
+        verify(service).load(loadCallbackService)
 
         assertTrue(mContext.isBound(componentName))
-        assertEquals(callback, manager.lastLoadCallback)
+        assertEquals(loadCallback, manager.lastLoadCallback)
     }
 
     @Test
     fun testMaybeUnbind_bindingAndCallback() {
-        manager.maybeBindAndLoad {}
+        manager.maybeBindAndLoad(loadCallback)
 
         manager.unbindService()
         assertFalse(mContext.isBound(componentName))
         assertNull(manager.lastLoadCallback)
     }
 
+    @Test
+    fun testMaybeBindAndLoad_timeout() {
+        manager.maybeBindAndLoad(loadCallback)
+
+        executor.advanceClockToLast()
+        executor.runAllReady()
+
+        verify(loadCallback).error(anyString())
+    }
+
     @Test
     fun testMaybeBindAndSubscribe() {
         val list = listOf("TEST_ID")
         manager.maybeBindAndSubscribe(list)
 
         assertTrue(mContext.isBound(componentName))
-        verify(service).subscribe(list, subscriber)
+        verify(service).subscribe(list, subscriberService)
     }
 
     @Test
@@ -147,7 +157,7 @@ class ControlsProviderLifecycleManagerTest : SysuiTestCase() {
 
         assertTrue(mContext.isBound(componentName))
         verify(service).action(eq(controlId), capture(wrapperCaptor),
-                eq(actionCallback))
+                eq(actionCallbackService))
         assertEquals(action, wrapperCaptor.getValue().getWrappedAction())
     }
 }
\ No newline at end of file