From 2bf731033cb00f3cb6868d7ffbf05b59e7589d09 Mon Sep 17 00:00:00 2001
From: jasonwshsu <jasonwshsu@google.com>
Date: Wed, 20 Mar 2024 13:31:26 +0800
Subject: Implement Hearing Devices Quick Settings Tile (4/n)

This patch provides
* Show the ordered hearing device list
* Handle hearing device item click callback

Bug: 291423171
Bug: 319197158
Test: atest com.android.settingslib.bluetoth.BluetoothUtilsTest
Test: atest HearingDevicesDialogDelegateTest HearingDevicesListAdapterTest
Flag: ACONFIG com.android.systemui.hearing_aids_qs_tile_dialog DEVELOPMENT
Change-Id: Ic6b72055f73a7f3eafb6f6ec44fc7ea74dc7e2b3
---
 .../settingslib/bluetooth/BluetoothUtils.java      |  19 +++
 .../settingslib/bluetooth/BluetoothUtilsTest.java  |  10 ++
 .../res/layout/hearing_devices_tile_dialog.xml     |  10 +-
 .../hearingaid/HearingDevicesDialogDelegate.java   | 146 ++++++++++++++++++++-
 .../hearingaid/HearingDevicesListAdapter.java      | 137 +++++++++++++++++++
 .../qs/tiles/dialog/bluetooth/DeviceItemFactory.kt |  50 ++++++-
 .../tiles/dialog/bluetooth/DeviceItemInteractor.kt |   1 -
 .../HearingDevicesDialogDelegateTest.java          |  88 ++++++++++++-
 .../hearingaid/HearingDevicesListAdapterTest.java  |  82 ++++++++++++
 9 files changed, 535 insertions(+), 8 deletions(-)
 create mode 100644 packages/SystemUI/src/com/android/systemui/accessibility/hearingaid/HearingDevicesListAdapter.java
 create mode 100644 packages/SystemUI/tests/src/com/android/systemui/accessibility/hearingaid/HearingDevicesListAdapterTest.java

diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothUtils.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothUtils.java
index 09b1eafe4d78..57fcc7462a65 100644
--- a/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothUtils.java
+++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothUtils.java
@@ -541,6 +541,25 @@ public class BluetoothUtils {
         return isFilterMatched;
     }
 
+    /**
+     * Checks if the Bluetooth device is an available hearing device, which means:
+     * 1) currently connected
+     * 2) is Hearing Aid
+     * 3) connected profile match hearing aid related profiles (e.g. ASHA, HAP)
+     *
+     * @param cachedDevice the CachedBluetoothDevice
+     * @return if the device is Available hearing device
+     */
+    @WorkerThread
+    public static boolean isAvailableHearingDevice(CachedBluetoothDevice cachedDevice) {
+        if (isDeviceConnected(cachedDevice) && cachedDevice.isConnectedHearingAidDevice()) {
+            Log.d(TAG, "isFilterMatched() device : "
+                    + cachedDevice.getName() + ", the profile is connected.");
+            return true;
+        }
+        return false;
+    }
+
     /**
      * Check if the Bluetooth device is a ConnectedBluetoothDevice, which means:
      * 1) currently connected
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/BluetoothUtilsTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/BluetoothUtilsTest.java
index 475a6d65a845..1246fd85ee16 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/BluetoothUtilsTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/BluetoothUtilsTest.java
@@ -430,4 +430,14 @@ public class BluetoothUtilsTest {
         assertThat(BluetoothUtils.isExclusivelyManagedBluetoothDevice(mContext,
                 mBluetoothDevice)).isEqualTo(true);
     }
+
+    @Test
+    public void isAvailableHearingDevice_isConnectedHearingAid_returnTure() {
+        when(mCachedBluetoothDevice.isConnectedHearingAidDevice()).thenReturn(true);
+        when(mCachedBluetoothDevice.getDevice()).thenReturn(mBluetoothDevice);
+        when(mBluetoothDevice.getBondState()).thenReturn(BluetoothDevice.BOND_BONDED);
+        when(mBluetoothDevice.isConnected()).thenReturn(true);
+
+        assertThat(BluetoothUtils.isAvailableHearingDevice(mCachedBluetoothDevice)).isEqualTo(true);
+    }
 }
diff --git a/packages/SystemUI/res/layout/hearing_devices_tile_dialog.xml b/packages/SystemUI/res/layout/hearing_devices_tile_dialog.xml
index 8ceda9851314..a5cdaeb2f925 100644
--- a/packages/SystemUI/res/layout/hearing_devices_tile_dialog.xml
+++ b/packages/SystemUI/res/layout/hearing_devices_tile_dialog.xml
@@ -22,6 +22,14 @@
     android:layout_width="wrap_content"
     android:layout_height="wrap_content">
 
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/device_list"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/pair_new_device_button" />
+
     <Button
         android:id="@+id/pair_new_device_button"
         style="@style/BluetoothTileDialog.Device"
@@ -33,7 +41,7 @@
         android:contentDescription="@string/accessibility_hearing_device_pair_new_device"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/device_list"
         android:drawableStart="@drawable/ic_add"
         android:drawablePadding="20dp"
         android:drawableTint="?android:attr/textColorPrimary"
diff --git a/packages/SystemUI/src/com/android/systemui/accessibility/hearingaid/HearingDevicesDialogDelegate.java b/packages/SystemUI/src/com/android/systemui/accessibility/hearingaid/HearingDevicesDialogDelegate.java
index 6fbf3dd0d63f..96eb4b3a4c3f 100644
--- a/packages/SystemUI/src/com/android/systemui/accessibility/hearingaid/HearingDevicesDialogDelegate.java
+++ b/packages/SystemUI/src/com/android/systemui/accessibility/hearingaid/HearingDevicesDialogDelegate.java
@@ -19,18 +19,38 @@ package com.android.systemui.accessibility.hearingaid;
 import static android.view.View.GONE;
 import static android.view.View.VISIBLE;
 
+import static java.util.Collections.emptyList;
+
+import android.content.Context;
 import android.content.Intent;
+import android.media.AudioManager;
 import android.os.Bundle;
+import android.os.Handler;
 import android.provider.Settings;
 import android.view.LayoutInflater;
+import android.view.View;
 import android.view.View.Visibility;
 import android.widget.Button;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
+import com.android.settingslib.bluetooth.BluetoothCallback;
+import com.android.settingslib.bluetooth.CachedBluetoothDevice;
+import com.android.settingslib.bluetooth.LocalBluetoothManager;
+import com.android.systemui.accessibility.hearingaid.HearingDevicesListAdapter.HearingDeviceItemCallback;
 import com.android.systemui.animation.DialogTransitionAnimator;
+import com.android.systemui.dagger.qualifiers.Main;
 import com.android.systemui.plugins.ActivityStarter;
+import com.android.systemui.qs.tiles.dialog.bluetooth.ActiveHearingDeviceItemFactory;
+import com.android.systemui.qs.tiles.dialog.bluetooth.AvailableHearingDeviceItemFactory;
+import com.android.systemui.qs.tiles.dialog.bluetooth.ConnectedDeviceItemFactory;
+import com.android.systemui.qs.tiles.dialog.bluetooth.DeviceItem;
+import com.android.systemui.qs.tiles.dialog.bluetooth.DeviceItemFactory;
+import com.android.systemui.qs.tiles.dialog.bluetooth.SavedHearingDeviceItemFactory;
 import com.android.systemui.res.R;
 import com.android.systemui.statusbar.phone.SystemUIDialog;
 
@@ -38,18 +58,44 @@ import dagger.assisted.Assisted;
 import dagger.assisted.AssistedFactory;
 import dagger.assisted.AssistedInject;
 
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
 /**
  * Dialog for showing hearing devices controls.
  */
-public class HearingDevicesDialogDelegate implements SystemUIDialog.Delegate {
+public class HearingDevicesDialogDelegate implements SystemUIDialog.Delegate,
+        HearingDeviceItemCallback, BluetoothCallback {
 
+    @VisibleForTesting
+    static final String ACTION_BLUETOOTH_DEVICE_DETAILS =
+            "com.android.settings.BLUETOOTH_DEVICE_DETAIL_SETTINGS";
+    private static final String EXTRA_SHOW_FRAGMENT_ARGUMENTS = ":settings:show_fragment_args";
+    private static final String KEY_BLUETOOTH_ADDRESS = "device_address";
     private final SystemUIDialog.Factory mSystemUIDialogFactory;
     private final DialogTransitionAnimator mDialogTransitionAnimator;
     private final ActivityStarter mActivityStarter;
     private final boolean mShowPairNewDevice;
+    private final LocalBluetoothManager mLocalBluetoothManager;
+    private final Handler mMainHandler;
+    private final AudioManager mAudioManager;
 
+    private HearingDevicesListAdapter mDeviceListAdapter;
     private SystemUIDialog mDialog;
+    private RecyclerView mDeviceList;
     private Button mPairButton;
+    private final List<DeviceItemFactory> mHearingDeviceItemFactoryList = List.of(
+            new ActiveHearingDeviceItemFactory(),
+            new AvailableHearingDeviceItemFactory(),
+            // TODO(b/331305850): setHearingAidInfo() for connected but not connect to profile
+            // hearing device only called from
+            // settings/bluetooth/DeviceListPreferenceFragment#handleLeScanResult, so we don't know
+            // it is connected but not yet connect to profile hearing device in systemui.
+            // Show all connected but not connect to profile bluetooth device for now.
+            new ConnectedDeviceItemFactory(),
+            new SavedHearingDeviceItemFactory()
+    );
 
     /** Factory to create a {@link HearingDevicesDialogDelegate} dialog instance. */
     @AssistedFactory
@@ -64,11 +110,17 @@ public class HearingDevicesDialogDelegate implements SystemUIDialog.Delegate {
             @Assisted boolean showPairNewDevice,
             SystemUIDialog.Factory systemUIDialogFactory,
             ActivityStarter activityStarter,
-            DialogTransitionAnimator dialogTransitionAnimator) {
+            DialogTransitionAnimator dialogTransitionAnimator,
+            @Nullable LocalBluetoothManager localBluetoothManager,
+            @Main Handler handler,
+            AudioManager audioManager) {
         mShowPairNewDevice = showPairNewDevice;
         mSystemUIDialogFactory = systemUIDialogFactory;
         mActivityStarter = activityStarter;
         mDialogTransitionAnimator = dialogTransitionAnimator;
+        mLocalBluetoothManager = localBluetoothManager;
+        mMainHandler = handler;
+        mAudioManager = audioManager;
     }
 
     @Override
@@ -80,6 +132,47 @@ public class HearingDevicesDialogDelegate implements SystemUIDialog.Delegate {
         return dialog;
     }
 
+    @Override
+    public void onDeviceItemGearClicked(@NonNull  DeviceItem deviceItem, @NonNull View view) {
+        dismissDialogIfExists();
+        Intent intent = new Intent(ACTION_BLUETOOTH_DEVICE_DETAILS);
+        Bundle bundle = new Bundle();
+        bundle.putString(KEY_BLUETOOTH_ADDRESS, deviceItem.getCachedBluetoothDevice().getAddress());
+        intent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, bundle);
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+        mActivityStarter.postStartActivityDismissingKeyguard(intent, /* delay= */ 0,
+                mDialogTransitionAnimator.createActivityTransitionController(view));
+    }
+
+    @Override
+    public void onDeviceItemOnClicked(@NonNull  DeviceItem deviceItem, @NonNull View view) {
+        CachedBluetoothDevice cachedBluetoothDevice = deviceItem.getCachedBluetoothDevice();
+        switch (deviceItem.getType()) {
+            case ACTIVE_MEDIA_BLUETOOTH_DEVICE, CONNECTED_BLUETOOTH_DEVICE ->
+                    cachedBluetoothDevice.disconnect();
+            case AVAILABLE_MEDIA_BLUETOOTH_DEVICE -> cachedBluetoothDevice.setActive();
+            case SAVED_BLUETOOTH_DEVICE -> cachedBluetoothDevice.connect();
+        }
+    }
+
+    @Override
+    public void onActiveDeviceChanged(@Nullable CachedBluetoothDevice activeDevice,
+            int bluetoothProfile) {
+        mMainHandler.post(() -> mDeviceListAdapter.refreshDeviceItemList(getHearingDevicesList()));
+    }
+
+    @Override
+    public void onProfileConnectionStateChanged(@NonNull CachedBluetoothDevice cachedDevice,
+            int state, int bluetoothProfile) {
+        mMainHandler.post(() -> mDeviceListAdapter.refreshDeviceItemList(getHearingDevicesList()));
+    }
+
+    @Override
+    public void onAclConnectionStateChanged(@NonNull CachedBluetoothDevice cachedDevice,
+            int state) {
+        mMainHandler.post(() -> mDeviceListAdapter.refreshDeviceItemList(getHearingDevicesList()));
+    }
+
     @Override
     public void beforeCreate(@NonNull SystemUIDialog dialog, @Nullable Bundle savedInstanceState) {
         dialog.setTitle(R.string.quick_settings_hearing_devices_dialog_title);
@@ -95,10 +188,34 @@ public class HearingDevicesDialogDelegate implements SystemUIDialog.Delegate {
     @Override
     public void onCreate(@NonNull SystemUIDialog dialog, @Nullable Bundle savedInstanceState) {
         mPairButton = dialog.requireViewById(R.id.pair_new_device_button);
+        mDeviceList = dialog.requireViewById(R.id.device_list);
 
+        setupDeviceListView(dialog);
         setupPairNewDeviceButton(dialog, mShowPairNewDevice ? VISIBLE : GONE);
     }
 
+    @Override
+    public void onStart(@NonNull SystemUIDialog dialog) {
+        if (mLocalBluetoothManager == null) {
+            return;
+        }
+        mLocalBluetoothManager.getEventManager().registerCallback(this);
+    }
+
+    @Override
+    public void onStop(@NonNull SystemUIDialog dialog) {
+        if (mLocalBluetoothManager == null) {
+            return;
+        }
+        mLocalBluetoothManager.getEventManager().unregisterCallback(this);
+    }
+
+    private void setupDeviceListView(SystemUIDialog dialog) {
+        mDeviceList.setLayoutManager(new LinearLayoutManager(dialog.getContext()));
+        mDeviceListAdapter = new HearingDevicesListAdapter(getHearingDevicesList(), this);
+        mDeviceList.setAdapter(mDeviceListAdapter);
+    }
+
     private void setupPairNewDeviceButton(SystemUIDialog dialog, @Visibility int visibility) {
         if (visibility == VISIBLE) {
             mPairButton.setOnClickListener(v -> {
@@ -113,6 +230,31 @@ public class HearingDevicesDialogDelegate implements SystemUIDialog.Delegate {
         }
     }
 
+    private List<DeviceItem> getHearingDevicesList() {
+        if (mLocalBluetoothManager == null
+                || !mLocalBluetoothManager.getBluetoothAdapter().isEnabled()) {
+            return emptyList();
+        }
+
+        return mLocalBluetoothManager.getCachedDeviceManager().getCachedDevicesCopy().stream()
+                .map(this::createHearingDeviceItem)
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
+    }
+
+    private DeviceItem createHearingDeviceItem(CachedBluetoothDevice cachedDevice) {
+        final Context context = mDialog.getContext();
+        if (cachedDevice == null) {
+            return null;
+        }
+        for (DeviceItemFactory itemFactory : mHearingDeviceItemFactoryList) {
+            if (itemFactory.isFilterMatched(context, cachedDevice, mAudioManager)) {
+                return itemFactory.create(context, cachedDevice);
+            }
+        }
+        return null;
+    }
+
     private void dismissDialogIfExists() {
         if (mDialog != null) {
             mDialog.dismiss();
diff --git a/packages/SystemUI/src/com/android/systemui/accessibility/hearingaid/HearingDevicesListAdapter.java b/packages/SystemUI/src/com/android/systemui/accessibility/hearingaid/HearingDevicesListAdapter.java
new file mode 100644
index 000000000000..695d04f5df9d
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/accessibility/hearingaid/HearingDevicesListAdapter.java
@@ -0,0 +1,137 @@
+/*
+ * 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.accessibility.hearingaid;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.android.systemui.qs.tiles.dialog.bluetooth.DeviceItem;
+import com.android.systemui.res.R;
+
+import kotlin.Pair;
+
+import java.util.List;
+
+/**
+ * Adapter for showing hearing device item list {@link DeviceItem}.
+ */
+public class HearingDevicesListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    private final List<DeviceItem> mItemList;
+    private final HearingDeviceItemCallback mCallback;
+
+    public HearingDevicesListAdapter(List<DeviceItem> itemList,
+            HearingDeviceItemCallback callback) {
+        mItemList = itemList;
+        mCallback = callback;
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int position) {
+        View view = LayoutInflater.from(viewGroup.getContext()).inflate(
+                R.layout.bluetooth_device_item, viewGroup, false);
+        return new DeviceItemViewHolder(view, viewGroup.getContext());
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int position) {
+        DeviceItem item = mItemList.get(position);
+        ((DeviceItemViewHolder) viewHolder).bindView(item, mCallback);
+    }
+
+    @Override
+    public int getItemCount() {
+        return mItemList.size();
+    }
+
+    /**
+     * Updates items in the adapter.
+     *
+     * @param itemList bluetooth device item list
+     */
+    public void refreshDeviceItemList(List<DeviceItem> itemList) {
+        mItemList.clear();
+        mItemList.addAll(itemList);
+        notifyDataSetChanged();
+    }
+
+    /**
+     * Interface to provide callbacks when click on the device item in hearing device quick
+     * settings tile.
+     */
+    public interface HearingDeviceItemCallback {
+        /**
+         * Called when gear view in device item is clicked.
+         *
+         * @param deviceItem bluetooth device item
+         * @param view       the view that was clicked
+         */
+        void onDeviceItemGearClicked(@NonNull DeviceItem deviceItem, @NonNull View view);
+
+        /**
+         * Called when device item is clicked.
+         *
+         * @param deviceItem bluetooth device item
+         * @param view       the view that was clicked
+         */
+        void onDeviceItemOnClicked(@NonNull DeviceItem deviceItem, @NonNull View view);
+    }
+
+    private static class DeviceItemViewHolder extends RecyclerView.ViewHolder {
+        private final Context mContext;
+        private final View mContainer;
+        private final TextView mNameView;
+        private final TextView mSummaryView;
+        private final ImageView mIconView;
+        private final View mGearView;
+
+        DeviceItemViewHolder(@NonNull View itemView, Context context) {
+            super(itemView);
+            mContext = context;
+            mContainer = itemView.requireViewById(R.id.bluetooth_device_row);
+            mNameView = itemView.requireViewById(R.id.bluetooth_device_name);
+            mSummaryView = itemView.requireViewById(R.id.bluetooth_device_summary);
+            mIconView = itemView.requireViewById(R.id.bluetooth_device_icon);
+            mGearView = itemView.requireViewById(R.id.gear_icon);
+        }
+
+        public void bindView(DeviceItem item, HearingDeviceItemCallback callback) {
+            mContainer.setEnabled(item.isEnabled());
+            mContainer.setOnClickListener(view -> callback.onDeviceItemOnClicked(item, view));
+            Integer backgroundResId = item.getBackground();
+            if (backgroundResId != null) {
+                mContainer.setBackground(mContext.getDrawable(item.getBackground()));
+            }
+            mNameView.setText(item.getDeviceName());
+            mSummaryView.setText(item.getConnectionSummary());
+            Pair<Drawable, String> iconPair = item.getIconWithDescription();
+            if (iconPair != null) {
+                mIconView.setImageDrawable(iconPair.getFirst());
+                mIconView.setContentDescription(iconPair.getSecond());
+            }
+            mGearView.setOnClickListener(view -> callback.onDeviceItemGearClicked(item, view));
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/dialog/bluetooth/DeviceItemFactory.kt b/packages/SystemUI/src/com/android/systemui/qs/tiles/dialog/bluetooth/DeviceItemFactory.kt
index f13ecf3e91b9..56ba07941e4d 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/dialog/bluetooth/DeviceItemFactory.kt
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/dialog/bluetooth/DeviceItemFactory.kt
@@ -45,7 +45,7 @@ internal abstract class DeviceItemFactory {
     abstract fun create(context: Context, cachedDevice: CachedBluetoothDevice): DeviceItem
 }
 
-internal class ActiveMediaDeviceItemFactory : DeviceItemFactory() {
+internal open class ActiveMediaDeviceItemFactory : DeviceItemFactory() {
     override fun isFilterMatched(
         context: Context,
         cachedDevice: CachedBluetoothDevice,
@@ -72,7 +72,18 @@ internal class ActiveMediaDeviceItemFactory : DeviceItemFactory() {
     }
 }
 
-internal class AvailableMediaDeviceItemFactory : DeviceItemFactory() {
+internal class ActiveHearingDeviceItemFactory : ActiveMediaDeviceItemFactory() {
+    override fun isFilterMatched(
+        context: Context,
+        cachedDevice: CachedBluetoothDevice,
+        audioManager: AudioManager?
+    ): Boolean {
+        return BluetoothUtils.isActiveMediaDevice(cachedDevice) &&
+            BluetoothUtils.isAvailableHearingDevice(cachedDevice)
+    }
+}
+
+internal open class AvailableMediaDeviceItemFactory : DeviceItemFactory() {
     override fun isFilterMatched(
         context: Context,
         cachedDevice: CachedBluetoothDevice,
@@ -101,6 +112,17 @@ internal class AvailableMediaDeviceItemFactory : DeviceItemFactory() {
     }
 }
 
+internal class AvailableHearingDeviceItemFactory : ActiveMediaDeviceItemFactory() {
+    override fun isFilterMatched(
+        context: Context,
+        cachedDevice: CachedBluetoothDevice,
+        audioManager: AudioManager?
+    ): Boolean {
+        return !BluetoothUtils.isActiveMediaDevice(cachedDevice) &&
+            BluetoothUtils.isAvailableHearingDevice(cachedDevice)
+    }
+}
+
 internal class ConnectedDeviceItemFactory : DeviceItemFactory() {
     override fun isFilterMatched(
         context: Context,
@@ -135,7 +157,7 @@ internal class ConnectedDeviceItemFactory : DeviceItemFactory() {
     }
 }
 
-internal class SavedDeviceItemFactory : DeviceItemFactory() {
+internal open class SavedDeviceItemFactory : DeviceItemFactory() {
     override fun isFilterMatched(
         context: Context,
         cachedDevice: CachedBluetoothDevice,
@@ -168,3 +190,25 @@ internal class SavedDeviceItemFactory : DeviceItemFactory() {
         )
     }
 }
+
+internal class SavedHearingDeviceItemFactory : SavedDeviceItemFactory() {
+    override fun isFilterMatched(
+        context: Context,
+        cachedDevice: CachedBluetoothDevice,
+        audioManager: AudioManager?
+    ): Boolean {
+        return if (Flags.enableHideExclusivelyManagedBluetoothDevice()) {
+            !BluetoothUtils.isExclusivelyManagedBluetoothDevice(
+                context,
+                cachedDevice.getDevice()
+            ) &&
+                cachedDevice.isHearingAidDevice &&
+                cachedDevice.bondState == BluetoothDevice.BOND_BONDED &&
+                !cachedDevice.isConnected
+        } else {
+            cachedDevice.isHearingAidDevice &&
+                cachedDevice.bondState == BluetoothDevice.BOND_BONDED &&
+                !cachedDevice.isConnected
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/dialog/bluetooth/DeviceItemInteractor.kt b/packages/SystemUI/src/com/android/systemui/qs/tiles/dialog/bluetooth/DeviceItemInteractor.kt
index 1df496b17aa5..fce25ec68190 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/dialog/bluetooth/DeviceItemInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/dialog/bluetooth/DeviceItemInteractor.kt
@@ -137,7 +137,6 @@ constructor(
                             ?.create(context, cachedDevice)
                     }
                     .sort(displayPriority, bluetoothAdapter?.mostRecentlyConnectedDevices)
-
             // Only emit when the job is not cancelled
             if (isActive) {
                 mutableDeviceItemUpdate.tryEmit(deviceItems)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/accessibility/hearingaid/HearingDevicesDialogDelegateTest.java b/packages/SystemUI/tests/src/com/android/systemui/accessibility/hearingaid/HearingDevicesDialogDelegateTest.java
index 46010d5f8c73..b0f0363a3e97 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/accessibility/hearingaid/HearingDevicesDialogDelegateTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/accessibility/hearingaid/HearingDevicesDialogDelegateTest.java
@@ -27,6 +27,8 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.content.Intent;
+import android.media.AudioManager;
+import android.os.Handler;
 import android.provider.Settings;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
@@ -34,10 +36,17 @@ import android.view.View;
 
 import androidx.test.filters.SmallTest;
 
+import com.android.settingslib.bluetooth.BluetoothEventManager;
+import com.android.settingslib.bluetooth.CachedBluetoothDevice;
+import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager;
+import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
+import com.android.settingslib.bluetooth.LocalBluetoothManager;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.animation.DialogTransitionAnimator;
 import com.android.systemui.model.SysUiState;
 import com.android.systemui.plugins.ActivityStarter;
+import com.android.systemui.qs.tiles.dialog.bluetooth.DeviceItem;
+import com.android.systemui.qs.tiles.dialog.bluetooth.DeviceItemType;
 import com.android.systemui.res.R;
 import com.android.systemui.statusbar.phone.SystemUIDialog;
 import com.android.systemui.statusbar.phone.SystemUIDialogManager;
@@ -51,6 +60,9 @@ import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnit;
 import org.mockito.junit.MockitoRule;
 
+import java.util.ArrayList;
+import java.util.List;
+
 /** Tests for {@link HearingDevicesDialogDelegate}. */
 @RunWith(AndroidTestingRunner.class)
 @TestableLooper.RunWithLooper(setAsMainLooper = true)
@@ -59,6 +71,8 @@ public class HearingDevicesDialogDelegateTest extends SysuiTestCase {
     @Rule
     public MockitoRule mockito = MockitoJUnit.rule();
 
+    private static final String DEVICE_ADDRESS = "AA:BB:CC:DD:EE:FF";
+
     @Mock
     private SystemUIDialog.Factory mSystemUIDialogFactory;
     @Mock
@@ -69,12 +83,36 @@ public class HearingDevicesDialogDelegateTest extends SysuiTestCase {
     private DialogTransitionAnimator mDialogTransitionAnimator;
     @Mock
     private ActivityStarter mActivityStarter;
+    @Mock
+    private LocalBluetoothManager mLocalBluetoothManager;
+    @Mock
+    private LocalBluetoothAdapter mLocalBluetoothAdapter;
+    @Mock
+    private CachedBluetoothDeviceManager mCachedDeviceManager;
+    @Mock
+    private BluetoothEventManager mBluetoothEventManager;
+    @Mock
+    private AudioManager mAudioManager;
+    @Mock
+    private CachedBluetoothDevice mCachedDevice;
+    @Mock
+    private DeviceItem mHearingDeviceItem;
     private SystemUIDialog mDialog;
     private HearingDevicesDialogDelegate mDialogDelegate;
+    private TestableLooper mTestableLooper;
+    private final List<CachedBluetoothDevice> mDevices = new ArrayList<>();
 
     @Before
     public void setUp() {
+        mTestableLooper = TestableLooper.get(this);
+        when(mLocalBluetoothManager.getBluetoothAdapter()).thenReturn(mLocalBluetoothAdapter);
+        when(mLocalBluetoothAdapter.isEnabled()).thenReturn(true);
+        when(mLocalBluetoothManager.getCachedDeviceManager()).thenReturn(mCachedDeviceManager);
+        when(mCachedDeviceManager.getCachedDevicesCopy()).thenReturn(mDevices);
+        when(mLocalBluetoothManager.getEventManager()).thenReturn(mBluetoothEventManager);
         when(mSysUiState.setFlag(anyInt(), anyBoolean())).thenReturn(mSysUiState);
+        when(mCachedDevice.getAddress()).thenReturn(DEVICE_ADDRESS);
+        when(mHearingDeviceItem.getCachedBluetoothDevice()).thenReturn(mCachedDevice);
 
         setUpPairNewDeviceDialog();
 
@@ -100,12 +138,60 @@ public class HearingDevicesDialogDelegateTest extends SysuiTestCase {
                 Settings.ACTION_HEARING_DEVICE_PAIRING_SETTINGS);
     }
 
+    @Test
+    public void onDeviceItemGearClicked_intentActionMatch() {
+        setUpDeviceListDialog();
+
+        mDialogDelegate.onDeviceItemGearClicked(mHearingDeviceItem, new View(mContext));
+
+        ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(Intent.class);
+        verify(mActivityStarter).postStartActivityDismissingKeyguard(intentCaptor.capture(),
+                anyInt(), any());
+        assertThat(intentCaptor.getValue().getAction()).isEqualTo(
+                HearingDevicesDialogDelegate.ACTION_BLUETOOTH_DEVICE_DETAILS);
+
+    }
+
+    @Test
+    public void onDeviceItemOnClicked_connectedDevice_disconnect() {
+        when(mHearingDeviceItem.getType()).thenReturn(DeviceItemType.CONNECTED_BLUETOOTH_DEVICE);
+
+        mDialogDelegate.onDeviceItemOnClicked(mHearingDeviceItem, new View(mContext));
+
+        verify(mCachedDevice).disconnect();
+    }
+
     private void setUpPairNewDeviceDialog() {
         mDialogDelegate = new HearingDevicesDialogDelegate(
                 true,
                 mSystemUIDialogFactory,
                 mActivityStarter,
-                mDialogTransitionAnimator
+                mDialogTransitionAnimator,
+                mLocalBluetoothManager,
+                new Handler(mTestableLooper.getLooper()),
+                mAudioManager
+        );
+        mDialog = new SystemUIDialog(
+                mContext,
+                0,
+                DEFAULT_DISMISS_ON_DEVICE_LOCK,
+                mSystemUIDialogManager,
+                mSysUiState,
+                getFakeBroadcastDispatcher(),
+                mDialogTransitionAnimator,
+                mDialogDelegate
+        );
+    }
+
+    private void setUpDeviceListDialog() {
+        mDialogDelegate = new HearingDevicesDialogDelegate(
+                false,
+                mSystemUIDialogFactory,
+                mActivityStarter,
+                mDialogTransitionAnimator,
+                mLocalBluetoothManager,
+                new Handler(mTestableLooper.getLooper()),
+                mAudioManager
         );
         mDialog = new SystemUIDialog(
                 mContext,
diff --git a/packages/SystemUI/tests/src/com/android/systemui/accessibility/hearingaid/HearingDevicesListAdapterTest.java b/packages/SystemUI/tests/src/com/android/systemui/accessibility/hearingaid/HearingDevicesListAdapterTest.java
new file mode 100644
index 000000000000..95d5597ef645
--- /dev/null
+++ b/packages/SystemUI/tests/src/com/android/systemui/accessibility/hearingaid/HearingDevicesListAdapterTest.java
@@ -0,0 +1,82 @@
+/*
+ * 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.accessibility.hearingaid;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import android.testing.AndroidTestingRunner;
+import android.testing.TestableLooper;
+
+import androidx.test.filters.SmallTest;
+
+import com.android.settingslib.bluetooth.CachedBluetoothDevice;
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.qs.tiles.dialog.bluetooth.DeviceItem;
+
+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 java.util.ArrayList;
+import java.util.List;
+
+/** Tests for {@link HearingDevicesListAdapter}. */
+@RunWith(AndroidTestingRunner.class)
+@TestableLooper.RunWithLooper(setAsMainLooper = true)
+@SmallTest
+public class HearingDevicesListAdapterTest extends SysuiTestCase {
+    @Rule
+    public MockitoRule mockito = MockitoJUnit.rule();
+
+    private static final String DEVICE_ADDRESS = "AA:BB:CC:DD:EE:FF";
+
+    @Mock
+    private DeviceItem mHearingDeviceItem;
+    @Mock
+    private CachedBluetoothDevice mCachedDevice;
+    @Mock
+    private HearingDevicesListAdapter.HearingDeviceItemCallback mDeviceItemCallback;
+    private HearingDevicesListAdapter mAdapter;
+
+    @Before
+    public void setUp() {
+        when(mCachedDevice.getAddress()).thenReturn(DEVICE_ADDRESS);
+        when(mHearingDeviceItem.getCachedBluetoothDevice()).thenReturn(mCachedDevice);
+    }
+
+    @Test
+    public void constructor_oneItem_getOneCount() {
+        mAdapter = new HearingDevicesListAdapter(List.of(mHearingDeviceItem), mDeviceItemCallback);
+
+        assertThat(mAdapter.getItemCount()).isEqualTo(1);
+    }
+
+    @Test
+    public void refreshDeviceItemList_oneItem_getOneCount() {
+        mAdapter = new HearingDevicesListAdapter(new ArrayList<>(), mDeviceItemCallback);
+
+        mAdapter.refreshDeviceItemList(List.of(mHearingDeviceItem));
+
+        assertThat(mAdapter.getItemCount()).isEqualTo(1);
+    }
+}
-- 
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