Add Hearing Aid UI into Settings-Accessibility App
- dynamically show/hide preference by HearingAid profile is supported or not - add AccessibilityHearingAidPreferenceController to handle hearingAid preference - add HearingAidDialogFragment to handle dialog behavior Bug: 109948484 Test: make -j50 RunSettingsRoboTests Change-Id: Ic55dde475dc40311f7e652f4a86d342597f09f0e
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timhypeng
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.accessibility;
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import android.bluetooth.BluetoothAdapter;
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import android.bluetooth.BluetoothDevice;
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import android.bluetooth.BluetoothHearingAid;
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import android.bluetooth.BluetoothProfile;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.os.Bundle;
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import android.text.TextUtils;
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import android.util.Log;
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import androidx.annotation.VisibleForTesting;
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import androidx.fragment.app.FragmentManager;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.internal.logging.nano.MetricsProto;
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import com.android.settings.R;
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import com.android.settings.bluetooth.BluetoothDeviceDetailsFragment;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settings.core.SubSettingLauncher;
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import com.android.settingslib.bluetooth.CachedBluetoothDevice;
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import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
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import com.android.settingslib.bluetooth.LocalBluetoothManager;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.android.settingslib.core.lifecycle.events.OnPause;
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import com.android.settingslib.core.lifecycle.events.OnResume;
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import java.util.Iterator;
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import java.util.List;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.FutureTask;
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/**
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* Controller that shows and updates the bluetooth device name
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*/
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public class AccessibilityHearingAidPreferenceController extends BasePreferenceController
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implements LifecycleObserver, OnResume, OnPause {
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private static final String TAG = "AccessibilityHearingAidPreferenceController";
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private Preference mHearingAidPreference;
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private final BroadcastReceiver mHearingAidChangedReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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if (BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED.equals(intent.getAction())) {
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final int state = intent.getIntExtra(BluetoothHearingAid.EXTRA_STATE,
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BluetoothHearingAid.STATE_DISCONNECTED);
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if (state == BluetoothHearingAid.STATE_CONNECTED) {
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updateState(mHearingAidPreference);
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} else {
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mHearingAidPreference
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.setSummary(R.string.accessibility_hearingaid_not_connected_summary);
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}
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} else if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) {
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final int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE,
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BluetoothAdapter.ERROR);
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if (state != BluetoothAdapter.STATE_ON) {
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mHearingAidPreference
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.setSummary(R.string.accessibility_hearingaid_not_connected_summary);
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}
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}
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}
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};
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private final LocalBluetoothManager mLocalBluetoothManager;
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//cache value of supporting hearing aid or not
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private boolean mHearingAidProfileSupported;
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private FragmentManager mFragmentManager;
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public AccessibilityHearingAidPreferenceController(Context context, String preferenceKey) {
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super(context, preferenceKey);
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mLocalBluetoothManager = getLocalBluetoothManager();
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mHearingAidProfileSupported = isHearingAidProfileSupported();
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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mHearingAidPreference = screen.findPreference(getPreferenceKey());
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}
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@Override
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public int getAvailabilityStatus() {
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return mHearingAidProfileSupported ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
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}
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@Override
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public void onResume() {
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if (mHearingAidProfileSupported) {
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IntentFilter filter = new IntentFilter();
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filter.addAction(BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED);
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filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
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mContext.registerReceiver(mHearingAidChangedReceiver, filter);
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}
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}
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@Override
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public void onPause() {
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if (mHearingAidProfileSupported) {
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mContext.unregisterReceiver(mHearingAidChangedReceiver);
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}
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}
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@Override
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public boolean handlePreferenceTreeClick(Preference preference) {
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if (TextUtils.equals(preference.getKey(), getPreferenceKey())){
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final CachedBluetoothDevice device = getConnectedHearingAidDevice();
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if (device == null) {
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launchHearingAidInstructionDialog();
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} else {
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launchBluetoothDeviceDetailSetting(device);
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}
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return true;
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}
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return false;
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}
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@Override
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public CharSequence getSummary() {
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final CachedBluetoothDevice device = getConnectedHearingAidDevice();
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if (device == null) {
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return mContext.getText(R.string.accessibility_hearingaid_not_connected_summary);
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}
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return device.getName();
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}
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public void setFragmentManager(FragmentManager fragmentManager) {
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mFragmentManager = fragmentManager;
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}
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private CachedBluetoothDevice getConnectedHearingAidDevice() {
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if (!mHearingAidProfileSupported) {
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return null;
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}
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final LocalBluetoothAdapter localAdapter = mLocalBluetoothManager.getBluetoothAdapter();
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if (!localAdapter.isEnabled()) {
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return null;
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}
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final List<BluetoothDevice> deviceList = mLocalBluetoothManager.getProfileManager()
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.getHearingAidProfile().getConnectedDevices();
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final Iterator it = deviceList.iterator();
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if (it.hasNext()) {
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BluetoothDevice obj = (BluetoothDevice)it.next();
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return mLocalBluetoothManager.getCachedDeviceManager().findDevice(obj);
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}
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return null;
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}
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private boolean isHearingAidProfileSupported() {
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final LocalBluetoothAdapter localAdapter = mLocalBluetoothManager.getBluetoothAdapter();
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final List<Integer> supportedList = localAdapter.getSupportedProfiles();
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if (supportedList.contains(BluetoothProfile.HEARING_AID)) {
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return true;
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}
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return false;
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}
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private LocalBluetoothManager getLocalBluetoothManager() {
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final FutureTask<LocalBluetoothManager> localBtManagerFutureTask = new FutureTask<>(
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// Avoid StrictMode ThreadPolicy violation
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() -> com.android.settings.bluetooth.Utils.getLocalBtManager(mContext));
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try {
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localBtManagerFutureTask.run();
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return localBtManagerFutureTask.get();
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} catch (InterruptedException | ExecutionException e) {
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Log.w(TAG, "Error getting LocalBluetoothManager.", e);
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return null;
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}
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}
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@VisibleForTesting(otherwise = VisibleForTesting.NONE)
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void setPreference(Preference preference) {
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mHearingAidPreference = preference;
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}
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@VisibleForTesting
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void launchBluetoothDeviceDetailSetting(final CachedBluetoothDevice device) {
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if (device == null) {
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return;
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}
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final Bundle args = new Bundle();
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args.putString(BluetoothDeviceDetailsFragment.KEY_DEVICE_ADDRESS,
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device.getDevice().getAddress());
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new SubSettingLauncher(mContext)
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.setDestination(BluetoothDeviceDetailsFragment.class.getName())
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.setArguments(args)
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.setTitleRes(R.string.device_details_title)
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.setSourceMetricsCategory(MetricsProto.MetricsEvent.ACCESSIBILITY)
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.launch();
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}
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@VisibleForTesting
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void launchHearingAidInstructionDialog() {
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HearingAidDialogFragment fragment = HearingAidDialogFragment.newInstance();
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fragment.show(mFragmentManager, HearingAidDialogFragment.class.toString());
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}
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}
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