Merge changes from topic "hearingAidsInT" into tm-dev

* changes:
  Add 'Live Caption' preference for hearing aids device in Device details page
  Update summary in Accessibility -> Hearing aids
  Header for hearing aids now listed in one summary
diff --git a/res/xml/bluetooth_device_details_fragment.xml b/res/xml/bluetooth_device_details_fragment.xml
index b44a93d..f330b19 100644
--- a/res/xml/bluetooth_device_details_fragment.xml
+++ b/res/xml/bluetooth_device_details_fragment.xml
@@ -66,6 +66,18 @@
     <PreferenceCategory
         android:key="bluetooth_profiles"/>
 
+    <PreferenceCategory
+        android:key="bluetooth_related_tools"
+        android:title="@string/bluetooth_screen_related">
+        <Preference
+            android:key="live_caption"
+            android:icon="@drawable/ic_live_caption"
+            android:persistent="false"
+            android:summary="@string/live_caption_summary"
+            android:title="@string/live_caption_title"
+            settings:controller="com.android.settings.accessibility.LiveCaptionPreferenceController"/>
+    </PreferenceCategory>
+
     <com.android.settingslib.widget.FooterPreference
         android:key="device_details_footer"
         android:selectable="false"
diff --git a/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceController.java b/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceController.java
index 8f0ca3e..2cb7426 100644
--- a/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceController.java
+++ b/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceController.java
@@ -39,12 +39,13 @@
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.core.SubSettingLauncher;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
+import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager;
+import com.android.settingslib.bluetooth.HearingAidProfile;
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnStart;
 import com.android.settingslib.core.lifecycle.events.OnStop;
 
-import java.util.Iterator;
 import java.util.List;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.FutureTask;
@@ -82,15 +83,13 @@
 
     private final LocalBluetoothManager mLocalBluetoothManager;
     private final BluetoothAdapter mBluetoothAdapter;
-    //cache value of supporting hearing aid or not
-    private boolean mHearingAidProfileSupported;
+
     private FragmentManager mFragmentManager;
 
     public AccessibilityHearingAidPreferenceController(Context context, String preferenceKey) {
         super(context, preferenceKey);
         mLocalBluetoothManager = getLocalBluetoothManager();
         mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
-        mHearingAidProfileSupported = isHearingAidProfileSupported();
     }
 
     @Override
@@ -101,29 +100,25 @@
 
     @Override
     public int getAvailabilityStatus() {
-        return mHearingAidProfileSupported ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
+        return isHearingAidProfileSupported() ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
     }
 
     @Override
     public void onStart() {
-        if (mHearingAidProfileSupported) {
-            IntentFilter filter = new IntentFilter();
-            filter.addAction(BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED);
-            filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
-            mContext.registerReceiver(mHearingAidChangedReceiver, filter);
-        }
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED);
+        filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
+        mContext.registerReceiver(mHearingAidChangedReceiver, filter);
     }
 
     @Override
     public void onStop() {
-        if (mHearingAidProfileSupported) {
-            mContext.unregisterReceiver(mHearingAidChangedReceiver);
-        }
+        mContext.unregisterReceiver(mHearingAidChangedReceiver);
     }
 
     @Override
     public boolean handlePreferenceTreeClick(Preference preference) {
-        if (TextUtils.equals(preference.getKey(), getPreferenceKey())){
+        if (TextUtils.equals(preference.getKey(), getPreferenceKey())) {
             final CachedBluetoothDevice device = getConnectedHearingAidDevice();
             if (device == null) {
                 launchHearingAidInstructionDialog();
@@ -141,7 +136,27 @@
         if (device == null) {
             return mContext.getText(R.string.accessibility_hearingaid_not_connected_summary);
         }
-        return device.getName();
+
+        final int connectedNum = getConnectedHearingAidDeviceNum();
+        final CharSequence name = device.getName();
+        final int side = device.getDeviceSide();
+        final CachedBluetoothDevice subDevice = device.getSubDevice();
+        if (connectedNum > 1) {
+            return mContext.getString(R.string.accessibility_hearingaid_more_device_summary, name);
+        }
+        if (subDevice != null && subDevice.isConnected()) {
+            return mContext.getString(
+                    R.string.accessibility_hearingaid_left_and_right_side_device_summary, name);
+        }
+        if (side == HearingAidProfile.DeviceSide.SIDE_INVALID) {
+            return mContext.getString(
+                    R.string.accessibility_hearingaid_active_device_summary, name);
+        }
+        return (side == HearingAidProfile.DeviceSide.SIDE_LEFT)
+                ? mContext.getString(
+                        R.string.accessibility_hearingaid_left_side_device_summary, name)
+                : mContext.getString(
+                        R.string.accessibility_hearingaid_right_side_device_summary, name);
     }
 
     public void setFragmentManager(FragmentManager fragmentManager) {
@@ -150,33 +165,44 @@
 
     @VisibleForTesting
     CachedBluetoothDevice getConnectedHearingAidDevice() {
-        if (!mHearingAidProfileSupported) {
+        if (!isHearingAidProfileSupported()) {
             return null;
         }
-        if (mBluetoothAdapter == null || !mBluetoothAdapter.isEnabled()) {
-            return null;
-        }
-        final List<BluetoothDevice> deviceList = mLocalBluetoothManager.getProfileManager()
-                .getHearingAidProfile().getConnectedDevices();
-        final Iterator it = deviceList.iterator();
-        while (it.hasNext()) {
-            BluetoothDevice obj = (BluetoothDevice)it.next();
-            if (!mLocalBluetoothManager.getCachedDeviceManager().isSubDevice(obj)) {
-                return mLocalBluetoothManager.getCachedDeviceManager().findDevice(obj);
+
+        final CachedBluetoothDeviceManager deviceManager =
+                mLocalBluetoothManager.getCachedDeviceManager();
+        final HearingAidProfile hearingAidProfile =
+                mLocalBluetoothManager.getProfileManager().getHearingAidProfile();
+        final List<BluetoothDevice> deviceList = hearingAidProfile.getConnectedDevices();
+        for (BluetoothDevice obj : deviceList) {
+            if (!deviceManager.isSubDevice(obj)) {
+                return deviceManager.findDevice(obj);
             }
         }
         return null;
     }
 
+    private int getConnectedHearingAidDeviceNum() {
+        if (!isHearingAidProfileSupported()) {
+            return 0;
+        }
+
+        final CachedBluetoothDeviceManager deviceManager =
+                mLocalBluetoothManager.getCachedDeviceManager();
+        final HearingAidProfile hearingAidProfile =
+                mLocalBluetoothManager.getProfileManager().getHearingAidProfile();
+        final List<BluetoothDevice> deviceList = hearingAidProfile.getConnectedDevices();
+        return (int) deviceList.stream()
+                .filter(device -> !deviceManager.isSubDevice(device))
+                .count();
+    }
+
     private boolean isHearingAidProfileSupported() {
         if (mBluetoothAdapter == null || !mBluetoothAdapter.isEnabled()) {
             return false;
         }
         final List<Integer> supportedList = mBluetoothAdapter.getSupportedProfiles();
-        if (supportedList.contains(BluetoothProfile.HEARING_AID)) {
-            return true;
-        }
-        return false;
+        return supportedList.contains(BluetoothProfile.HEARING_AID);
     }
 
     private LocalBluetoothManager getLocalBluetoothManager() {
diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
index 9c7aa58..06a71f0 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
@@ -75,10 +75,8 @@
         if (TextUtils.isEmpty(summaryText)) {
             // If first summary is unavailable, not to show second summary.
             mHeaderController.setSecondSummary((CharSequence)null);
-        } else {
-            // If both the hearing aids are connected, two device status should be shown.
-            mHeaderController.setSecondSummary(mDeviceManager.getSubDeviceSummary(mCachedDevice));
         }
+
         mHeaderController.setLabel(mCachedDevice.getName());
         mHeaderController.setIcon(pair.first);
         mHeaderController.setIconContentDescription(pair.second);
diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsRelatedToolsController.java b/src/com/android/settings/bluetooth/BluetoothDetailsRelatedToolsController.java
new file mode 100644
index 0000000..71d6049
--- /dev/null
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsRelatedToolsController.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.bluetooth;
+
+
+import android.content.Context;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceFragmentCompat;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settingslib.bluetooth.CachedBluetoothDevice;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+/**
+ * This class adds related tools preference.
+ */
+public class BluetoothDetailsRelatedToolsController extends BluetoothDetailsController{
+    private static final String KEY_RELATED_TOOLS_GROUP = "bluetooth_related_tools";
+    private static final String KEY_LIVE_CAPTION = "live_caption";
+
+    public BluetoothDetailsRelatedToolsController(Context context,
+            PreferenceFragmentCompat fragment, CachedBluetoothDevice device, Lifecycle lifecycle) {
+        super(context, fragment, device, lifecycle);
+        lifecycle.addObserver(this);
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return mCachedDevice.isHearingAidDevice();
+    }
+
+    @Override
+    protected void init(PreferenceScreen screen) {
+        if (!mCachedDevice.isHearingAidDevice()) {
+            return;
+        }
+
+        final PreferenceCategory preferenceCategory = screen.findPreference(getPreferenceKey());
+        final Preference liveCaptionPreference = screen.findPreference(KEY_LIVE_CAPTION);
+        if (!liveCaptionPreference.isVisible()) {
+            preferenceCategory.removePreference(liveCaptionPreference);
+        }
+
+        if (preferenceCategory.getPreferenceCount() == 0) {
+            screen.removePreference(preferenceCategory);
+        }
+    }
+
+    @Override
+    protected void refresh() {}
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_RELATED_TOOLS_GROUP;
+    }
+}
diff --git a/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java b/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java
index fdf0f38..ca212f3 100644
--- a/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java
+++ b/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java
@@ -246,6 +246,8 @@
                     mCachedDevice, lifecycle));
             controllers.add(new BluetoothDetailsMacAddressController(context, this, mCachedDevice,
                     lifecycle));
+            controllers.add(new BluetoothDetailsRelatedToolsController(context, this, mCachedDevice,
+                    lifecycle));
         }
         return controllers;
     }
diff --git a/tests/robotests/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceControllerTest.java
index a455648..1b8c8c3 100644
--- a/tests/robotests/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceControllerTest.java
@@ -18,9 +18,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.doNothing;
-import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -48,7 +46,6 @@
 
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -63,7 +60,6 @@
 import java.util.List;
 
 @RunWith(RobolectricTestRunner.class)
-@Ignore
 @Config(shadows = {ShadowBluetoothAdapter.class, ShadowBluetoothUtils.class})
 public class AccessibilityHearingAidPreferenceControllerTest {
     private static final String TEST_DEVICE_ADDRESS = "00:A1:A1:A1:A1:A1";
@@ -82,6 +78,8 @@
     @Mock
     private CachedBluetoothDevice mCachedBluetoothDevice;
     @Mock
+    private CachedBluetoothDevice mCachedSubBluetoothDevice;
+    @Mock
     private CachedBluetoothDeviceManager mCachedDeviceManager;
     @Mock
     private LocalBluetoothManager mLocalBluetoothManager;
@@ -111,18 +109,54 @@
     }
 
     @Test
-    public void onHearingAidStateChanged_connected_updateHearingAidSummary() {
+    public void getSummary_connectedHearingAidRightSide_connectedRightSideSummary() {
+        when(mCachedBluetoothDevice.getDeviceSide()).thenReturn(
+                HearingAidProfile.DeviceSide.SIDE_RIGHT);
         when(mHearingAidProfile.getConnectedDevices()).thenReturn(generateHearingAidDeviceList());
         mPreferenceController.onStart();
         Intent intent = new Intent(BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED);
         intent.putExtra(BluetoothHearingAid.EXTRA_STATE, BluetoothHearingAid.STATE_CONNECTED);
         sendIntent(intent);
 
-        assertThat(mHearingAidPreference.getSummary()).isEqualTo(TEST_DEVICE_NAME);
+        assertThat(mHearingAidPreference.getSummary().toString().contentEquals(
+                "TEST_HEARING_AID_BT_DEVICE_NAME, right only")).isTrue();
     }
 
     @Test
-    public void onHearingAidStateChanged_disconnected_updateHearingAidSummary() {
+    public void getSummary_connectedHearingAidBothSide_connectedBothSideSummary() {
+        when(mCachedBluetoothDevice.getDeviceSide()).thenReturn(
+                HearingAidProfile.DeviceSide.SIDE_LEFT);
+        when(mCachedSubBluetoothDevice.isConnected()).thenReturn(true);
+        when(mCachedBluetoothDevice.getSubDevice()).thenReturn(mCachedSubBluetoothDevice);
+        when(mHearingAidProfile.getConnectedDevices()).thenReturn(generateHearingAidDeviceList());
+        mPreferenceController.onStart();
+        Intent intent = new Intent(BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED);
+        intent.putExtra(BluetoothHearingAid.EXTRA_STATE, BluetoothHearingAid.STATE_CONNECTED);
+        sendIntent(intent);
+
+        assertThat(mHearingAidPreference.getSummary().toString().contentEquals(
+                "TEST_HEARING_AID_BT_DEVICE_NAME, left and right")).isTrue();
+    }
+
+    @Test
+    public void getSummary_connectedMultipleHearingAids_connectedBothSideSummary() {
+        when(mCachedBluetoothDevice.getDeviceSide()).thenReturn(
+                HearingAidProfile.DeviceSide.SIDE_LEFT);
+        when(mCachedSubBluetoothDevice.isConnected()).thenReturn(true);
+        when(mCachedBluetoothDevice.getSubDevice()).thenReturn(mCachedSubBluetoothDevice);
+        when(mHearingAidProfile.getConnectedDevices()).thenReturn(
+                generateMultipleHearingAidDeviceList());
+        mPreferenceController.onStart();
+        Intent intent = new Intent(BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED);
+        intent.putExtra(BluetoothHearingAid.EXTRA_STATE, BluetoothHearingAid.STATE_CONNECTED);
+        sendIntent(intent);
+
+        assertThat(mHearingAidPreference.getSummary().toString().contentEquals(
+                "TEST_HEARING_AID_BT_DEVICE_NAME +1 more")).isTrue();
+    }
+
+    @Test
+    public void getSummary_disconnectedHearingAid_disconnectedSummary() {
         mPreferenceController.onStart();
         Intent intent = new Intent(BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED);
         intent.putExtra(BluetoothHearingAid.EXTRA_STATE, BluetoothHearingAid.STATE_DISCONNECTED);
@@ -133,7 +167,7 @@
     }
 
     @Test
-    public void onBluetoothStateChanged_bluetoothOff_updateHearingAidSummary() {
+    public void getSummary_bluetoothOff_disconnectedSummary() {
         mPreferenceController.onStart();
         Intent intent = new Intent(BluetoothAdapter.ACTION_STATE_CHANGED);
         intent.putExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.STATE_OFF);
@@ -168,19 +202,14 @@
     }
 
     @Test
-    public void onNotSupportHearingAidProfile_doNotDoReceiverOperation() {
+    public void onNotSupportHearingAidProfile_isNotAvailable() {
         //clear bluetooth supported profile
         mShadowBluetoothAdapter.clearSupportedProfiles();
         mPreferenceController = new AccessibilityHearingAidPreferenceController(mContext,
                 HEARING_AID_PREFERENCE);
         mPreferenceController.setPreference(mHearingAidPreference);
-        //not call registerReceiver()
-        mPreferenceController.onStart();
-        verify(mContext, never()).registerReceiver(any(), any());
 
-        //not call unregisterReceiver()
-        mPreferenceController.onStop();
-        verify(mContext, never()).unregisterReceiver(any());
+        assertThat(mPreferenceController.isAvailable()).isFalse();
     }
 
     @Test
@@ -224,4 +253,11 @@
         deviceList.add(mBluetoothDevice);
         return deviceList;
     }
+
+    private List<BluetoothDevice> generateMultipleHearingAidDeviceList() {
+        final List<BluetoothDevice> deviceList = new ArrayList<>(2);
+        deviceList.add(mBluetoothDevice);
+        deviceList.add(mBluetoothDevice);
+        return deviceList;
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsRelatedToolsControllerTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsRelatedToolsControllerTest.java
new file mode 100644
index 0000000..2035f06
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsRelatedToolsControllerTest.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.bluetooth;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+/** Tests for {@link BluetoothDetailsRelatedToolsController}. */
+@RunWith(RobolectricTestRunner.class)
+public class BluetoothDetailsRelatedToolsControllerTest extends BluetoothDetailsControllerTestBase {
+    private BluetoothDetailsRelatedToolsController mController;
+
+    @Override
+    public void setUp() {
+        super.setUp();
+        mController = new BluetoothDetailsRelatedToolsController(mContext, mFragment, mCachedDevice,
+                mLifecycle);
+    }
+
+    @Test
+    public void isAvailable_isHearingAidDevice_available() {
+        when(mCachedDevice.isHearingAidDevice()).thenReturn(true);
+
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void isAvailable_notHearingAidDevice_notAvailable() {
+        when(mCachedDevice.isHearingAidDevice()).thenReturn(false);
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+}