Merge "Migrate HearingDevicesTile" into main
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/HearingDevicesTileMapperTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/HearingDevicesTileMapperTest.kt
new file mode 100644
index 0000000..cdf6bda
--- /dev/null
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/HearingDevicesTileMapperTest.kt
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2024 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.qs.tiles.impl.hearingdevices.domain
+
+import android.graphics.drawable.TestStubDrawable
+import android.widget.Switch
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.common.shared.model.Icon
+import com.android.systemui.kosmos.Kosmos
+import com.android.systemui.qs.tiles.impl.custom.QSTileStateSubject
+import com.android.systemui.qs.tiles.impl.hearingdevices.domain.model.HearingDevicesTileModel
+import com.android.systemui.qs.tiles.impl.hearingdevices.qsHearingDevicesTileConfig
+import com.android.systemui.qs.tiles.viewmodel.QSTileState
+import com.android.systemui.res.R
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class HearingDevicesTileMapperTest : SysuiTestCase() {
+    private val kosmos = Kosmos()
+    private val qsTileConfig = kosmos.qsHearingDevicesTileConfig
+    private val mapper by lazy {
+        HearingDevicesTileMapper(
+            context.orCreateTestableResources
+                .apply { addOverride(R.drawable.qs_hearing_devices_icon, TestStubDrawable()) }
+                .resources,
+            context.theme,
+        )
+    }
+
+    @Test
+    fun map_anyActiveHearingDevice_anyPairedHearingDevice_activeState() {
+        val tileState: QSTileState =
+            mapper.map(
+                qsTileConfig,
+                HearingDevicesTileModel(
+                    isAnyActiveHearingDevice = true,
+                    isAnyPairedHearingDevice = true,
+                ),
+            )
+        val expectedState =
+            createHearingDevicesTileState(
+                QSTileState.ActivationState.ACTIVE,
+                context.getString(R.string.quick_settings_hearing_devices_connected),
+            )
+        QSTileStateSubject.assertThat(tileState).isEqualTo(expectedState)
+    }
+
+    @Test
+    fun map_noActiveHearingDevice_anyPairedHearingDevice_inactiveState() {
+        val tileState: QSTileState =
+            mapper.map(
+                qsTileConfig,
+                HearingDevicesTileModel(
+                    isAnyActiveHearingDevice = false,
+                    isAnyPairedHearingDevice = true,
+                ),
+            )
+        val expectedState =
+            createHearingDevicesTileState(
+                QSTileState.ActivationState.INACTIVE,
+                context.getString(R.string.quick_settings_hearing_devices_disconnected),
+            )
+        QSTileStateSubject.assertThat(tileState).isEqualTo(expectedState)
+    }
+
+    @Test
+    fun map_noActiveHearingDevice_noPairedHearingDevice_inactiveState() {
+        val tileState: QSTileState =
+            mapper.map(
+                qsTileConfig,
+                HearingDevicesTileModel(
+                    isAnyActiveHearingDevice = false,
+                    isAnyPairedHearingDevice = false,
+                ),
+            )
+        val expectedState =
+            createHearingDevicesTileState(QSTileState.ActivationState.INACTIVE, secondaryLabel = "")
+        QSTileStateSubject.assertThat(tileState).isEqualTo(expectedState)
+    }
+
+    private fun createHearingDevicesTileState(
+        activationState: QSTileState.ActivationState,
+        secondaryLabel: String,
+    ): QSTileState {
+        val label = context.getString(R.string.quick_settings_hearing_devices_label)
+        val iconRes = R.drawable.qs_hearing_devices_icon
+        return QSTileState(
+            { Icon.Loaded(context.getDrawable(iconRes)!!, null) },
+            iconRes,
+            label,
+            activationState,
+            secondaryLabel,
+            setOf(QSTileState.UserAction.CLICK, QSTileState.UserAction.LONG_CLICK),
+            label,
+            null,
+            QSTileState.SideViewIcon.Chevron,
+            QSTileState.EnabledState.ENABLED,
+            Switch::class.qualifiedName,
+        )
+    }
+}
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileDataInteractorTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileDataInteractorTest.kt
new file mode 100644
index 0000000..1dfa2cd
--- /dev/null
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileDataInteractorTest.kt
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2024 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.qs.tiles.impl.hearingdevices.domain.interactor
+
+import android.os.UserHandle
+import android.platform.test.annotations.DisableFlags
+import android.platform.test.annotations.EnableFlags
+import android.platform.test.annotations.EnabledOnRavenwood
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.android.systemui.Flags
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.accessibility.hearingaid.HearingDevicesChecker
+import com.android.systemui.coroutines.collectLastValue
+import com.android.systemui.coroutines.collectValues
+import com.android.systemui.kosmos.Kosmos
+import com.android.systemui.kosmos.testScope
+import com.android.systemui.qs.tiles.base.interactor.DataUpdateTrigger
+import com.android.systemui.qs.tiles.impl.hearingdevices.domain.model.HearingDevicesTileModel
+import com.android.systemui.statusbar.policy.fakeBluetoothController
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.test.runCurrent
+import kotlinx.coroutines.test.runTest
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.junit.MockitoJUnit
+import org.mockito.junit.MockitoRule
+import org.mockito.kotlin.whenever
+
+@OptIn(ExperimentalCoroutinesApi::class)
+@SmallTest
+@EnabledOnRavenwood
+@RunWith(AndroidJUnit4::class)
+class HearingDevicesTileDataInteractorTest : SysuiTestCase() {
+    private val kosmos = Kosmos()
+    private val testScope = kosmos.testScope
+    private val testUser = UserHandle.of(1)
+
+    private val controller = kosmos.fakeBluetoothController
+    private lateinit var underTest: HearingDevicesTileDataInteractor
+
+    @Rule @JvmField val mockitoRule: MockitoRule = MockitoJUnit.rule()
+    @Mock private lateinit var checker: HearingDevicesChecker
+
+    @Before
+    fun setup() {
+        underTest = HearingDevicesTileDataInteractor(testScope.testScheduler, controller, checker)
+    }
+
+    @EnableFlags(Flags.FLAG_HEARING_AIDS_QS_TILE_DIALOG)
+    @Test
+    fun availability_flagEnabled_returnTrue() =
+        testScope.runTest {
+            val availability by collectLastValue(underTest.availability(testUser))
+
+            assertThat(availability).isTrue()
+        }
+
+    @DisableFlags(Flags.FLAG_HEARING_AIDS_QS_TILE_DIALOG)
+    @Test
+    fun availability_flagDisabled_returnFalse() =
+        testScope.runTest {
+            val availability by collectLastValue(underTest.availability(testUser))
+
+            assertThat(availability).isFalse()
+        }
+
+    @Test
+    fun tileData_bluetoothStateChanged_dataMatchesChecker() =
+        testScope.runTest {
+            val flowValues: List<HearingDevicesTileModel> by
+                collectValues(
+                    underTest.tileData(testUser, flowOf(DataUpdateTrigger.InitialRequest))
+                )
+            runCurrent()
+            assertThat(flowValues.size).isEqualTo(1) // from addCallback in setup()
+
+            whenever(checker.isAnyPairedHearingDevice).thenReturn(false)
+            whenever(checker.isAnyActiveHearingDevice).thenReturn(false)
+            controller.isBluetoothEnabled = false
+            runCurrent()
+            assertThat(flowValues.size).isEqualTo(1) // model unchanged, no new flow value
+
+            whenever(checker.isAnyPairedHearingDevice).thenReturn(true)
+            whenever(checker.isAnyActiveHearingDevice).thenReturn(false)
+            controller.isBluetoothEnabled = true
+            runCurrent()
+            assertThat(flowValues.size).isEqualTo(2)
+
+            whenever(checker.isAnyPairedHearingDevice).thenReturn(true)
+            whenever(checker.isAnyActiveHearingDevice).thenReturn(true)
+            controller.isBluetoothEnabled = true
+            runCurrent()
+            assertThat(flowValues.size).isEqualTo(3)
+
+            assertThat(flowValues.map { it.isAnyPairedHearingDevice })
+                .containsExactly(false, true, true)
+                .inOrder()
+            assertThat(flowValues.map { it.isAnyActiveHearingDevice })
+                .containsExactly(false, false, true)
+                .inOrder()
+        }
+
+    @Test
+    fun tileData_bluetoothDeviceChanged_dataMatchesChecker() =
+        testScope.runTest {
+            val flowValues: List<HearingDevicesTileModel> by
+                collectValues(
+                    underTest.tileData(testUser, flowOf(DataUpdateTrigger.InitialRequest))
+                )
+            runCurrent()
+            assertThat(flowValues.size).isEqualTo(1) // from addCallback in setup()
+
+            whenever(checker.isAnyPairedHearingDevice).thenReturn(false)
+            whenever(checker.isAnyActiveHearingDevice).thenReturn(false)
+            controller.onBluetoothDevicesChanged()
+            runCurrent()
+            assertThat(flowValues.size).isEqualTo(1) // model unchanged, no new flow value
+
+            whenever(checker.isAnyPairedHearingDevice).thenReturn(true)
+            whenever(checker.isAnyActiveHearingDevice).thenReturn(false)
+            controller.onBluetoothDevicesChanged()
+            runCurrent()
+            assertThat(flowValues.size).isEqualTo(2)
+
+            whenever(checker.isAnyPairedHearingDevice).thenReturn(true)
+            whenever(checker.isAnyActiveHearingDevice).thenReturn(true)
+            controller.onBluetoothDevicesChanged()
+            runCurrent()
+            assertThat(flowValues.size).isEqualTo(3)
+
+            assertThat(flowValues.map { it.isAnyPairedHearingDevice })
+                .containsExactly(false, true, true)
+                .inOrder()
+            assertThat(flowValues.map { it.isAnyActiveHearingDevice })
+                .containsExactly(false, false, true)
+                .inOrder()
+        }
+}
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileUserActionInteractorTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileUserActionInteractorTest.kt
new file mode 100644
index 0000000..00ee1c3
--- /dev/null
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileUserActionInteractorTest.kt
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2024 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.qs.tiles.impl.hearingdevices.domain.interactor
+
+import android.platform.test.annotations.EnabledOnRavenwood
+import android.provider.Settings
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.accessibility.hearingaid.HearingDevicesDialogManager
+import com.android.systemui.accessibility.hearingaid.HearingDevicesUiEventLogger.Companion.LAUNCH_SOURCE_QS_TILE
+import com.android.systemui.kosmos.Kosmos
+import com.android.systemui.kosmos.testScope
+import com.android.systemui.qs.tiles.base.actions.FakeQSTileIntentUserInputHandler
+import com.android.systemui.qs.tiles.base.actions.QSTileIntentUserInputHandlerSubject
+import com.android.systemui.qs.tiles.base.interactor.QSTileInputTestKtx
+import com.android.systemui.qs.tiles.impl.hearingdevices.domain.model.HearingDevicesTileModel
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.test.runTest
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.ArgumentMatchers.eq
+import org.mockito.Mock
+import org.mockito.junit.MockitoJUnit
+import org.mockito.junit.MockitoRule
+import org.mockito.kotlin.anyOrNull
+import org.mockito.kotlin.verify
+
+@SmallTest
+@EnabledOnRavenwood
+@RunWith(AndroidJUnit4::class)
+class HearingDevicesTileUserActionInteractorTest : SysuiTestCase() {
+    private val kosmos = Kosmos()
+    private val testScope = kosmos.testScope
+    private val inputHandler = FakeQSTileIntentUserInputHandler()
+
+    private lateinit var underTest: HearingDevicesTileUserActionInteractor
+
+    @Rule @JvmField val mockitoRule: MockitoRule = MockitoJUnit.rule()
+    @Mock private lateinit var dialogManager: HearingDevicesDialogManager
+
+    @Before
+    fun setUp() {
+        underTest =
+            HearingDevicesTileUserActionInteractor(
+                testScope.coroutineContext,
+                inputHandler,
+                dialogManager,
+            )
+    }
+
+    @Test
+    fun handleClick_launchDialog() =
+        testScope.runTest {
+            val input =
+                HearingDevicesTileModel(
+                    isAnyActiveHearingDevice = true,
+                    isAnyPairedHearingDevice = true,
+                )
+
+            underTest.handleInput(QSTileInputTestKtx.click(input))
+
+            verify(dialogManager).showDialog(anyOrNull(), eq(LAUNCH_SOURCE_QS_TILE))
+        }
+
+    @Test
+    fun handleLongClick_launchSettings() =
+        testScope.runTest {
+            val input =
+                HearingDevicesTileModel(
+                    isAnyActiveHearingDevice = true,
+                    isAnyPairedHearingDevice = true,
+                )
+
+            underTest.handleInput(QSTileInputTestKtx.longClick(input))
+
+            QSTileIntentUserInputHandlerSubject.assertThat(inputHandler).handledOneIntentInput {
+                assertThat(it.intent.action).isEqualTo(Settings.ACTION_HEARING_DEVICES_SETTINGS)
+            }
+        }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/accessibility/qs/QSAccessibilityModule.kt b/packages/SystemUI/src/com/android/systemui/accessibility/qs/QSAccessibilityModule.kt
index cd9efaf..610e3f8a 100644
--- a/packages/SystemUI/src/com/android/systemui/accessibility/qs/QSAccessibilityModule.kt
+++ b/packages/SystemUI/src/com/android/systemui/accessibility/qs/QSAccessibilityModule.kt
@@ -39,6 +39,10 @@
 import com.android.systemui.qs.tiles.impl.fontscaling.domain.interactor.FontScalingTileDataInteractor
 import com.android.systemui.qs.tiles.impl.fontscaling.domain.interactor.FontScalingTileUserActionInteractor
 import com.android.systemui.qs.tiles.impl.fontscaling.domain.model.FontScalingTileModel
+import com.android.systemui.qs.tiles.impl.hearingdevices.domain.HearingDevicesTileMapper
+import com.android.systemui.qs.tiles.impl.hearingdevices.domain.interactor.HearingDevicesTileDataInteractor
+import com.android.systemui.qs.tiles.impl.hearingdevices.domain.interactor.HearingDevicesTileUserActionInteractor
+import com.android.systemui.qs.tiles.impl.hearingdevices.domain.model.HearingDevicesTileModel
 import com.android.systemui.qs.tiles.impl.inversion.domain.ColorInversionTileMapper
 import com.android.systemui.qs.tiles.impl.inversion.domain.interactor.ColorInversionTileDataInteractor
 import com.android.systemui.qs.tiles.impl.inversion.domain.interactor.ColorInversionUserActionInteractor
@@ -159,6 +163,13 @@
         impl: NightDisplayTileDataInteractor
     ): QSTileAvailabilityInteractor
 
+    @Binds
+    @IntoMap
+    @StringKey(HEARING_DEVICES_TILE_SPEC)
+    fun provideHearingDevicesAvailabilityInteractor(
+        impl: HearingDevicesTileDataInteractor
+    ): QSTileAvailabilityInteractor
+
     companion object {
         const val COLOR_CORRECTION_TILE_SPEC = "color_correction"
         const val COLOR_INVERSION_TILE_SPEC = "inversion"
@@ -191,7 +202,7 @@
             factory: QSTileViewModelFactory.Static<ColorCorrectionTileModel>,
             mapper: ColorCorrectionTileMapper,
             stateInteractor: ColorCorrectionTileDataInteractor,
-            userActionInteractor: ColorCorrectionUserActionInteractor
+            userActionInteractor: ColorCorrectionUserActionInteractor,
         ): QSTileViewModel =
             factory.create(
                 TileSpec.create(COLOR_CORRECTION_TILE_SPEC),
@@ -223,7 +234,7 @@
             factory: QSTileViewModelFactory.Static<ColorInversionTileModel>,
             mapper: ColorInversionTileMapper,
             stateInteractor: ColorInversionTileDataInteractor,
-            userActionInteractor: ColorInversionUserActionInteractor
+            userActionInteractor: ColorInversionUserActionInteractor,
         ): QSTileViewModel =
             factory.create(
                 TileSpec.create(COLOR_INVERSION_TILE_SPEC),
@@ -255,7 +266,7 @@
             factory: QSTileViewModelFactory.Static<FontScalingTileModel>,
             mapper: FontScalingTileMapper,
             stateInteractor: FontScalingTileDataInteractor,
-            userActionInteractor: FontScalingTileUserActionInteractor
+            userActionInteractor: FontScalingTileUserActionInteractor,
         ): QSTileViewModel =
             factory.create(
                 TileSpec.create(FONT_SCALING_TILE_SPEC),
@@ -279,21 +290,6 @@
                 category = TileCategory.DISPLAY,
             )
 
-        @Provides
-        @IntoMap
-        @StringKey(HEARING_DEVICES_TILE_SPEC)
-        fun provideHearingDevicesTileConfig(uiEventLogger: QsEventLogger): QSTileConfig =
-            QSTileConfig(
-                tileSpec = TileSpec.create(HEARING_DEVICES_TILE_SPEC),
-                uiConfig =
-                    QSTileUIConfig.Resource(
-                        iconRes = R.drawable.qs_hearing_devices_icon,
-                        labelRes = R.string.quick_settings_hearing_devices_label,
-                    ),
-                instanceId = uiEventLogger.getNewInstanceId(),
-                category = TileCategory.ACCESSIBILITY,
-            )
-
         /**
          * Inject Reduce Bright Colors Tile into tileViewModelMap in QSModule. The tile is hidden
          * behind a flag.
@@ -305,7 +301,7 @@
             factory: QSTileViewModelFactory.Static<ReduceBrightColorsTileModel>,
             mapper: ReduceBrightColorsTileMapper,
             stateInteractor: ReduceBrightColorsTileDataInteractor,
-            userActionInteractor: ReduceBrightColorsTileUserActionInteractor
+            userActionInteractor: ReduceBrightColorsTileUserActionInteractor,
         ): QSTileViewModel =
             if (Flags.qsNewTilesFuture())
                 factory.create(
@@ -339,7 +335,7 @@
             factory: QSTileViewModelFactory.Static<OneHandedModeTileModel>,
             mapper: OneHandedModeTileMapper,
             stateInteractor: OneHandedModeTileDataInteractor,
-            userActionInteractor: OneHandedModeTileUserActionInteractor
+            userActionInteractor: OneHandedModeTileUserActionInteractor,
         ): QSTileViewModel =
             if (Flags.qsNewTilesFuture())
                 factory.create(
@@ -376,7 +372,7 @@
             factory: QSTileViewModelFactory.Static<NightDisplayTileModel>,
             mapper: NightDisplayTileMapper,
             stateInteractor: NightDisplayTileDataInteractor,
-            userActionInteractor: NightDisplayTileUserActionInteractor
+            userActionInteractor: NightDisplayTileUserActionInteractor,
         ): QSTileViewModel =
             if (Flags.qsNewTilesFuture())
                 factory.create(
@@ -386,5 +382,43 @@
                     mapper,
                 )
             else StubQSTileViewModel
+
+        @Provides
+        @IntoMap
+        @StringKey(HEARING_DEVICES_TILE_SPEC)
+        fun provideHearingDevicesTileConfig(uiEventLogger: QsEventLogger): QSTileConfig =
+            QSTileConfig(
+                tileSpec = TileSpec.create(HEARING_DEVICES_TILE_SPEC),
+                uiConfig =
+                    QSTileUIConfig.Resource(
+                        iconRes = R.drawable.qs_hearing_devices_icon,
+                        labelRes = R.string.quick_settings_hearing_devices_label,
+                    ),
+                instanceId = uiEventLogger.getNewInstanceId(),
+                category = TileCategory.ACCESSIBILITY,
+            )
+
+        /**
+         * Inject HearingDevices Tile into tileViewModelMap in QSModule. The tile is hidden behind a
+         * flag.
+         */
+        @Provides
+        @IntoMap
+        @StringKey(HEARING_DEVICES_TILE_SPEC)
+        fun provideHearingDevicesTileViewModel(
+            factory: QSTileViewModelFactory.Static<HearingDevicesTileModel>,
+            mapper: HearingDevicesTileMapper,
+            stateInteractor: HearingDevicesTileDataInteractor,
+            userActionInteractor: HearingDevicesTileUserActionInteractor,
+        ): QSTileViewModel {
+            return if (Flags.hearingAidsQsTileDialog() && Flags.qsNewTilesFuture()) {
+                factory.create(
+                    TileSpec.create(HEARING_DEVICES_TILE_SPEC),
+                    userActionInteractor,
+                    stateInteractor,
+                    mapper,
+                )
+            } else StubQSTileViewModel
+        }
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/HearingDevicesTileMapper.kt b/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/HearingDevicesTileMapper.kt
new file mode 100644
index 0000000..8dd611f
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/HearingDevicesTileMapper.kt
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2024 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.qs.tiles.impl.hearingdevices.domain
+
+import android.content.res.Resources
+import com.android.systemui.common.shared.model.Icon
+import com.android.systemui.dagger.qualifiers.Main
+import com.android.systemui.qs.tiles.base.interactor.QSTileDataToStateMapper
+import com.android.systemui.qs.tiles.impl.hearingdevices.domain.model.HearingDevicesTileModel
+import com.android.systemui.qs.tiles.viewmodel.QSTileConfig
+import com.android.systemui.qs.tiles.viewmodel.QSTileState
+import com.android.systemui.res.R
+import javax.inject.Inject
+
+/** Maps [HearingDevicesTileModel] to [QSTileState]. */
+class HearingDevicesTileMapper
+@Inject
+constructor(@Main private val resources: Resources, private val theme: Resources.Theme) :
+    QSTileDataToStateMapper<HearingDevicesTileModel> {
+
+    override fun map(config: QSTileConfig, data: HearingDevicesTileModel): QSTileState =
+        QSTileState.build(resources, theme, config.uiConfig) {
+            label = resources.getString(R.string.quick_settings_hearing_devices_label)
+            iconRes = R.drawable.qs_hearing_devices_icon
+            val loadedIcon =
+                Icon.Loaded(resources.getDrawable(iconRes!!, theme), contentDescription = null)
+            icon = { loadedIcon }
+            sideViewIcon = QSTileState.SideViewIcon.Chevron
+            contentDescription = label
+            if (data.isAnyActiveHearingDevice) {
+                activationState = QSTileState.ActivationState.ACTIVE
+                secondaryLabel =
+                    resources.getString(R.string.quick_settings_hearing_devices_connected)
+            } else if (data.isAnyPairedHearingDevice) {
+                activationState = QSTileState.ActivationState.INACTIVE
+                secondaryLabel =
+                    resources.getString(R.string.quick_settings_hearing_devices_disconnected)
+            } else {
+                activationState = QSTileState.ActivationState.INACTIVE
+                secondaryLabel = ""
+            }
+            supportedActions =
+                setOf(QSTileState.UserAction.CLICK, QSTileState.UserAction.LONG_CLICK)
+        }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileDataInteractor.kt b/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileDataInteractor.kt
new file mode 100644
index 0000000..ec0a4e9
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileDataInteractor.kt
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2024 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.qs.tiles.impl.hearingdevices.domain.interactor
+
+import android.os.UserHandle
+import com.android.systemui.Flags
+import com.android.systemui.accessibility.hearingaid.HearingDevicesChecker
+import com.android.systemui.dagger.qualifiers.Background
+import com.android.systemui.qs.tiles.base.interactor.DataUpdateTrigger
+import com.android.systemui.qs.tiles.base.interactor.QSTileDataInteractor
+import com.android.systemui.qs.tiles.impl.hearingdevices.domain.model.HearingDevicesTileModel
+import com.android.systemui.statusbar.policy.BluetoothController
+import com.android.systemui.utils.coroutines.flow.conflatedCallbackFlow
+import javax.inject.Inject
+import kotlin.coroutines.CoroutineContext
+import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.flowOn
+
+/** Observes hearing devices state changes providing the [HearingDevicesTileModel]. */
+class HearingDevicesTileDataInteractor
+@Inject
+constructor(
+    @Background private val backgroundContext: CoroutineContext,
+    private val bluetoothController: BluetoothController,
+    private val hearingDevicesChecker: HearingDevicesChecker,
+) : QSTileDataInteractor<HearingDevicesTileModel> {
+    override fun tileData(
+        user: UserHandle,
+        triggers: Flow<DataUpdateTrigger>,
+    ): Flow<HearingDevicesTileModel> =
+        conflatedCallbackFlow {
+                val callback =
+                    object : BluetoothController.Callback {
+                        override fun onBluetoothStateChange(enabled: Boolean) {
+                            trySend(getModel())
+                        }
+
+                        override fun onBluetoothDevicesChanged() {
+                            trySend(getModel())
+                        }
+                    }
+                bluetoothController.addCallback(callback)
+                awaitClose { bluetoothController.removeCallback(callback) }
+            }
+            .flowOn(backgroundContext)
+            .distinctUntilChanged()
+
+    override fun availability(user: UserHandle): Flow<Boolean> =
+        flowOf(Flags.hearingAidsQsTileDialog())
+
+    private fun getModel() =
+        HearingDevicesTileModel(
+            hearingDevicesChecker.isAnyActiveHearingDevice,
+            hearingDevicesChecker.isAnyPairedHearingDevice,
+        )
+}
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileUserActionInteractor.kt b/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileUserActionInteractor.kt
new file mode 100644
index 0000000..5e7172e
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/interactor/HearingDevicesTileUserActionInteractor.kt
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2024 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.qs.tiles.impl.hearingdevices.domain.interactor
+
+import android.content.Intent
+import android.provider.Settings
+import com.android.systemui.accessibility.hearingaid.HearingDevicesDialogManager
+import com.android.systemui.accessibility.hearingaid.HearingDevicesUiEventLogger.Companion.LAUNCH_SOURCE_QS_TILE
+import com.android.systemui.dagger.qualifiers.Main
+import com.android.systemui.qs.tiles.base.actions.QSTileIntentUserInputHandler
+import com.android.systemui.qs.tiles.base.interactor.QSTileInput
+import com.android.systemui.qs.tiles.base.interactor.QSTileUserActionInteractor
+import com.android.systemui.qs.tiles.impl.hearingdevices.domain.model.HearingDevicesTileModel
+import com.android.systemui.qs.tiles.viewmodel.QSTileUserAction
+import javax.inject.Inject
+import kotlin.coroutines.CoroutineContext
+import kotlinx.coroutines.withContext
+
+/** Handles hearing devices tile clicks. */
+class HearingDevicesTileUserActionInteractor
+@Inject
+constructor(
+    @Main private val mainContext: CoroutineContext,
+    private val qsTileIntentUserActionHandler: QSTileIntentUserInputHandler,
+    private val hearingDevicesDialogManager: HearingDevicesDialogManager,
+) : QSTileUserActionInteractor<HearingDevicesTileModel> {
+
+    override suspend fun handleInput(input: QSTileInput<HearingDevicesTileModel>) =
+        with(input) {
+            when (action) {
+                is QSTileUserAction.Click -> {
+                    withContext(mainContext) {
+                        hearingDevicesDialogManager.showDialog(
+                            action.expandable,
+                            LAUNCH_SOURCE_QS_TILE,
+                        )
+                    }
+                }
+                is QSTileUserAction.LongClick -> {
+                    qsTileIntentUserActionHandler.handle(
+                        action.expandable,
+                        Intent(Settings.ACTION_HEARING_DEVICES_SETTINGS),
+                    )
+                }
+                is QSTileUserAction.ToggleClick -> {}
+            }
+        }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/model/HearingDevicesTileModel.kt b/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/model/HearingDevicesTileModel.kt
new file mode 100644
index 0000000..4e37b77
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/impl/hearingdevices/domain/model/HearingDevicesTileModel.kt
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2024 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.qs.tiles.impl.hearingdevices.domain.model
+
+/** Hearing devices tile model */
+data class HearingDevicesTileModel(
+    val isAnyActiveHearingDevice: Boolean,
+    val isAnyPairedHearingDevice: Boolean,
+)
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/qs/tiles/impl/hearingdevices/HearingDevicesTileKosmos.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/qs/tiles/impl/hearingdevices/HearingDevicesTileKosmos.kt
new file mode 100644
index 0000000..e16756b
--- /dev/null
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/qs/tiles/impl/hearingdevices/HearingDevicesTileKosmos.kt
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2024 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.qs.tiles.impl.hearingdevices
+
+import com.android.systemui.accessibility.qs.QSAccessibilityModule
+import com.android.systemui.kosmos.Kosmos
+import com.android.systemui.qs.qsEventLogger
+
+val Kosmos.qsHearingDevicesTileConfig by
+    Kosmos.Fixture { QSAccessibilityModule.provideHearingDevicesTileConfig(qsEventLogger) }
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/policy/BluetoothControllerKosmos.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/policy/BluetoothControllerKosmos.kt
new file mode 100644
index 0000000..14f4d75
--- /dev/null
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/policy/BluetoothControllerKosmos.kt
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2024 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.statusbar.policy
+
+import com.android.systemui.kosmos.Kosmos
+
+val Kosmos.fakeBluetoothController by Kosmos.Fixture { FakeBluetoothController() }
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/policy/FakeBluetoothController.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/policy/FakeBluetoothController.kt
new file mode 100644
index 0000000..4876cd8
--- /dev/null
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/statusbar/policy/FakeBluetoothController.kt
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2024 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.statusbar.policy
+
+import android.bluetooth.BluetoothAdapter
+import com.android.internal.annotations.VisibleForTesting
+import com.android.settingslib.bluetooth.CachedBluetoothDevice
+import com.android.systemui.statusbar.policy.BluetoothController.Callback
+import java.io.PrintWriter
+import java.util.Collections
+import java.util.concurrent.Executor
+
+class FakeBluetoothController : BluetoothController {
+
+    private var callbacks = mutableListOf<Callback>()
+    private var enabled = false
+
+    override fun addCallback(listener: Callback) {
+        callbacks += listener
+        listener.onBluetoothStateChange(isBluetoothEnabled)
+    }
+
+    override fun removeCallback(listener: Callback) {
+        callbacks -= listener
+    }
+
+    override fun dump(pw: PrintWriter, args: Array<out String>) {}
+
+    override fun isBluetoothSupported(): Boolean = false
+
+    override fun isBluetoothEnabled(): Boolean = enabled
+
+    override fun getBluetoothState(): Int = 0
+
+    override fun isBluetoothConnected(): Boolean = false
+
+    override fun isBluetoothConnecting(): Boolean = false
+
+    override fun isBluetoothAudioProfileOnly(): Boolean = false
+
+    override fun isBluetoothAudioActive(): Boolean = false
+
+    override fun getConnectedDeviceName(): String? = null
+
+    override fun setBluetoothEnabled(enabled: Boolean) {
+        this.enabled = enabled
+        callbacks.forEach { it.onBluetoothStateChange(enabled) }
+    }
+
+    override fun canConfigBluetooth(): Boolean = false
+
+    override fun getConnectedDevices(): MutableList<CachedBluetoothDevice> = Collections.emptyList()
+
+    override fun addOnMetadataChangedListener(
+        device: CachedBluetoothDevice?,
+        executor: Executor?,
+        listener: BluetoothAdapter.OnMetadataChangedListener?,
+    ) {}
+
+    override fun removeOnMetadataChangedListener(
+        device: CachedBluetoothDevice?,
+        listener: BluetoothAdapter.OnMetadataChangedListener?,
+    ) {}
+
+    /** Trigger the [Callback.onBluetoothDevicesChanged] method for all registered callbacks. */
+    @VisibleForTesting
+    fun onBluetoothDevicesChanged() {
+        callbacks.forEach { it.onBluetoothDevicesChanged() }
+    }
+}