| /* |
| * Copyright (C) 2017 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 android.bluetooth.BluetoothDevice.METADATA_MODEL_NAME; |
| |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothProfile; |
| import android.content.Context; |
| import android.os.SystemProperties; |
| import android.provider.DeviceConfig; |
| import android.sysprop.BluetoothProperties; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceCategory; |
| import androidx.preference.PreferenceFragmentCompat; |
| import androidx.preference.PreferenceScreen; |
| import androidx.preference.SwitchPreferenceCompat; |
| import androidx.preference.TwoStatePreference; |
| |
| import com.android.settings.R; |
| import com.android.settings.core.SettingsUIDeviceConfig; |
| import com.android.settingslib.bluetooth.A2dpProfile; |
| import com.android.settingslib.bluetooth.BluetoothUtils; |
| import com.android.settingslib.bluetooth.CachedBluetoothDevice; |
| import com.android.settingslib.bluetooth.HeadsetProfile; |
| import com.android.settingslib.bluetooth.LeAudioProfile; |
| import com.android.settingslib.bluetooth.LocalBluetoothManager; |
| import com.android.settingslib.bluetooth.LocalBluetoothProfile; |
| import com.android.settingslib.bluetooth.LocalBluetoothProfileManager; |
| import com.android.settingslib.bluetooth.MapProfile; |
| import com.android.settingslib.bluetooth.PanProfile; |
| import com.android.settingslib.bluetooth.PbapServerProfile; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * This class adds switches for toggling the individual profiles that a Bluetooth device |
| * supports, such as "Phone audio", "Media audio", "Contact sharing", etc. |
| */ |
| public class BluetoothDetailsProfilesController extends BluetoothDetailsController |
| implements Preference.OnPreferenceClickListener, |
| LocalBluetoothProfileManager.ServiceListener { |
| private static final String TAG = "BtDetailsProfilesCtrl"; |
| |
| private static final String KEY_PROFILES_GROUP = "bluetooth_profiles"; |
| private static final String KEY_BOTTOM_PREFERENCE = "bottom_preference"; |
| private static final int ORDINAL = 99; |
| |
| @VisibleForTesting |
| static final String HIGH_QUALITY_AUDIO_PREF_TAG = "A2dpProfileHighQualityAudio"; |
| |
| private static final String ENABLE_DUAL_MODE_AUDIO = |
| "persist.bluetooth.enable_dual_mode_audio"; |
| private static final String LE_AUDIO_CONNECTION_BY_DEFAULT_PROPERTY = |
| "ro.bluetooth.leaudio.le_audio_connection_by_default"; |
| private static final boolean LE_AUDIO_TOGGLE_VISIBLE_DEFAULT_VALUE = true; |
| private static final String LE_AUDIO_TOGGLE_VISIBLE_PROPERTY = |
| "persist.bluetooth.leaudio.toggle_visible"; |
| |
| private LocalBluetoothManager mManager; |
| private LocalBluetoothProfileManager mProfileManager; |
| private CachedBluetoothDevice mCachedDevice; |
| private List<CachedBluetoothDevice> mAllOfCachedDevices; |
| private Map<String, List<CachedBluetoothDevice>> mProfileDeviceMap = |
| new HashMap<String, List<CachedBluetoothDevice>>(); |
| private boolean mIsLeContactSharingEnabled = false; |
| private boolean mIsLeAudioToggleEnabled = false; |
| |
| @VisibleForTesting |
| PreferenceCategory mProfilesContainer; |
| |
| public BluetoothDetailsProfilesController(Context context, PreferenceFragmentCompat fragment, |
| LocalBluetoothManager manager, CachedBluetoothDevice device, Lifecycle lifecycle) { |
| super(context, fragment, device, lifecycle); |
| mManager = manager; |
| mProfileManager = mManager.getProfileManager(); |
| mCachedDevice = device; |
| mAllOfCachedDevices = Utils.getAllOfCachedBluetoothDevices(mManager, mCachedDevice); |
| lifecycle.addObserver(this); |
| } |
| |
| @Override |
| protected void init(PreferenceScreen screen) { |
| mProfilesContainer = (PreferenceCategory)screen.findPreference(getPreferenceKey()); |
| mProfilesContainer.setLayoutResource(R.layout.preference_bluetooth_profile_category); |
| // Call refresh here even though it will get called later in onResume, to avoid the |
| // list of switches appearing to "pop" into the page. |
| refresh(); |
| } |
| |
| /** |
| * Creates a switch preference for the particular profile. |
| * |
| * @param context The context to use when creating the TwoStatePreference |
| * @param profile The profile for which the preference controls. |
| * @return A preference that allows the user to choose whether this profile |
| * will be connected to. |
| */ |
| private TwoStatePreference createProfilePreference(Context context, |
| LocalBluetoothProfile profile) { |
| TwoStatePreference pref = new SwitchPreferenceCompat(context); |
| pref.setKey(profile.toString()); |
| pref.setTitle(profile.getNameResource(mCachedDevice.getDevice())); |
| pref.setOnPreferenceClickListener(this); |
| pref.setOrder(profile.getOrdinal()); |
| |
| boolean isLeEnabledByDefault = |
| SystemProperties.getBoolean(LE_AUDIO_CONNECTION_BY_DEFAULT_PROPERTY, true); |
| |
| if (profile instanceof LeAudioProfile && (!isLeEnabledByDefault || !isModelNameInAllowList( |
| BluetoothUtils.getStringMetaData(mCachedDevice.getDevice(), |
| METADATA_MODEL_NAME)))) { |
| pref.setSummary(R.string.device_details_leaudio_toggle_summary); |
| } |
| return pref; |
| } |
| |
| /** |
| * Checks if the device model name is in the LE audio allow list based on its model name. |
| * |
| * @param modelName The model name of the device to be checked. |
| * @return true if the device is in the allow list, false otherwise. |
| */ |
| @VisibleForTesting |
| boolean isModelNameInAllowList(String modelName) { |
| if (modelName == null || modelName.isEmpty()) { |
| return false; |
| } |
| return BluetoothProperties.le_audio_allow_list().contains(modelName); |
| } |
| |
| /** |
| * Refreshes the state for an existing TwoStatePreference for a profile. |
| */ |
| private void refreshProfilePreference(TwoStatePreference profilePref, |
| LocalBluetoothProfile profile) { |
| BluetoothDevice device = mCachedDevice.getDevice(); |
| boolean isLeAudioEnabled = isLeAudioEnabled(); |
| if (profile instanceof A2dpProfile || profile instanceof HeadsetProfile |
| || profile instanceof LeAudioProfile) { |
| List<CachedBluetoothDevice> deviceList = mProfileDeviceMap.get( |
| profile.toString()); |
| boolean isBusy = deviceList != null |
| && deviceList.stream().anyMatch(item -> item.isBusy()); |
| profilePref.setEnabled(!isBusy); |
| } else if (profile instanceof PbapServerProfile |
| && isLeAudioEnabled |
| && !mIsLeContactSharingEnabled) { |
| profilePref.setEnabled(false); |
| } else { |
| profilePref.setEnabled(!mCachedDevice.isBusy()); |
| } |
| |
| if (profile instanceof LeAudioProfile) { |
| profilePref.setVisible(mIsLeAudioToggleEnabled); |
| } |
| |
| if (profile instanceof MapProfile) { |
| profilePref.setChecked(device.getMessageAccessPermission() |
| == BluetoothDevice.ACCESS_ALLOWED); |
| } else if (profile instanceof PbapServerProfile) { |
| profilePref.setChecked(device.getPhonebookAccessPermission() |
| == BluetoothDevice.ACCESS_ALLOWED); |
| profilePref.setSummary(profile.getSummaryResourceForDevice(mCachedDevice.getDevice())); |
| } else if (profile instanceof PanProfile) { |
| profilePref.setChecked(profile.getConnectionStatus(device) == |
| BluetoothProfile.STATE_CONNECTED); |
| } else { |
| profilePref.setChecked(profile.isEnabled(device)); |
| } |
| |
| if (profile instanceof A2dpProfile) { |
| A2dpProfile a2dp = (A2dpProfile) profile; |
| TwoStatePreference highQualityPref = |
| mProfilesContainer.findPreference(HIGH_QUALITY_AUDIO_PREF_TAG); |
| if (highQualityPref != null) { |
| if (a2dp.isEnabled(device) && a2dp.supportsHighQualityAudio(device)) { |
| highQualityPref.setVisible(true); |
| highQualityPref.setTitle(a2dp.getHighQualityAudioOptionLabel(device)); |
| highQualityPref.setChecked(a2dp.isHighQualityAudioEnabled(device)); |
| highQualityPref.setEnabled(!mCachedDevice.isBusy()); |
| } else { |
| highQualityPref.setVisible(false); |
| } |
| } |
| } |
| } |
| |
| private boolean isLeAudioEnabled(){ |
| LocalBluetoothProfile leAudio = mProfileManager.getLeAudioProfile(); |
| if (leAudio != null) { |
| List<CachedBluetoothDevice> leAudioDeviceList = mProfileDeviceMap.get( |
| leAudio.toString()); |
| if (leAudioDeviceList != null |
| && leAudioDeviceList.stream() |
| .anyMatch(item -> leAudio.isEnabled(item.getDevice()))) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Helper method to enable a profile for a device. |
| */ |
| private void enableProfile(LocalBluetoothProfile profile) { |
| final BluetoothDevice bluetoothDevice = mCachedDevice.getDevice(); |
| if (profile instanceof PbapServerProfile) { |
| bluetoothDevice.setPhonebookAccessPermission(BluetoothDevice.ACCESS_ALLOWED); |
| // We don't need to do the additional steps below for this profile. |
| return; |
| } |
| if (profile instanceof MapProfile) { |
| bluetoothDevice.setMessageAccessPermission(BluetoothDevice.ACCESS_ALLOWED); |
| } |
| |
| if (profile instanceof LeAudioProfile) { |
| enableLeAudioProfile(profile); |
| return; |
| } |
| |
| profile.setEnabled(bluetoothDevice, true); |
| } |
| |
| /** |
| * Helper method to disable a profile for a device |
| */ |
| private void disableProfile(LocalBluetoothProfile profile) { |
| if (profile instanceof LeAudioProfile) { |
| disableLeAudioProfile(profile); |
| return; |
| } |
| |
| final BluetoothDevice bluetoothDevice = mCachedDevice.getDevice(); |
| profile.setEnabled(bluetoothDevice, false); |
| |
| if (profile instanceof MapProfile) { |
| bluetoothDevice.setMessageAccessPermission(BluetoothDevice.ACCESS_REJECTED); |
| } else if (profile instanceof PbapServerProfile) { |
| bluetoothDevice.setPhonebookAccessPermission(BluetoothDevice.ACCESS_REJECTED); |
| } |
| } |
| |
| /** |
| * When the pref for a bluetooth profile is clicked on, we want to toggle the enabled/disabled |
| * state for that profile. |
| */ |
| @Override |
| public boolean onPreferenceClick(Preference preference) { |
| LocalBluetoothProfile profile = mProfileManager.getProfileByName(preference.getKey()); |
| if (profile == null) { |
| // It might be the PbapServerProfile, which is not stored by name. |
| PbapServerProfile psp = mManager.getProfileManager().getPbapProfile(); |
| if (TextUtils.equals(preference.getKey(), psp.toString())) { |
| profile = psp; |
| } else { |
| return false; |
| } |
| } |
| TwoStatePreference profilePref = (TwoStatePreference) preference; |
| if (profilePref.isChecked()) { |
| enableProfile(profile); |
| } else { |
| disableProfile(profile); |
| } |
| refreshProfilePreference(profilePref, profile); |
| return true; |
| } |
| |
| /** |
| * Helper to get the list of connectable and special profiles. |
| */ |
| private List<LocalBluetoothProfile> getProfiles() { |
| List<LocalBluetoothProfile> result = new ArrayList<LocalBluetoothProfile>(); |
| mProfileDeviceMap.clear(); |
| if (mAllOfCachedDevices == null || mAllOfCachedDevices.isEmpty()) { |
| return result; |
| } |
| for (CachedBluetoothDevice cachedItem : mAllOfCachedDevices) { |
| List<LocalBluetoothProfile> tmpResult = cachedItem.getConnectableProfiles(); |
| for (LocalBluetoothProfile profile : tmpResult) { |
| if (mProfileDeviceMap.containsKey(profile.toString())) { |
| mProfileDeviceMap.get(profile.toString()).add(cachedItem); |
| } else { |
| List<CachedBluetoothDevice> tmpCachedDeviceList = |
| new ArrayList<CachedBluetoothDevice>(); |
| tmpCachedDeviceList.add(cachedItem); |
| mProfileDeviceMap.put(profile.toString(), tmpCachedDeviceList); |
| result.add(profile); |
| } |
| } |
| } |
| |
| final BluetoothDevice device = mCachedDevice.getDevice(); |
| final int pbapPermission = device.getPhonebookAccessPermission(); |
| // Only provide PBAP cabability if the client device has requested PBAP. |
| if (pbapPermission != BluetoothDevice.ACCESS_UNKNOWN) { |
| final PbapServerProfile psp = mManager.getProfileManager().getPbapProfile(); |
| result.add(psp); |
| } |
| |
| final MapProfile mapProfile = mManager.getProfileManager().getMapProfile(); |
| final int mapPermission = device.getMessageAccessPermission(); |
| if (mapPermission != BluetoothDevice.ACCESS_UNKNOWN) { |
| result.add(mapProfile); |
| } |
| |
| // Removes phone calls & media audio toggles for dual mode devices |
| boolean leAudioSupported = result.contains( |
| mManager.getProfileManager().getLeAudioProfile()); |
| boolean classicAudioSupported = result.contains( |
| mManager.getProfileManager().getA2dpProfile()) || result.contains( |
| mManager.getProfileManager().getHeadsetProfile()); |
| if (leAudioSupported && classicAudioSupported) { |
| result.remove(mManager.getProfileManager().getA2dpProfile()); |
| result.remove(mManager.getProfileManager().getHeadsetProfile()); |
| } |
| Log.d(TAG, "getProfiles:Map:" + mProfileDeviceMap); |
| return result; |
| } |
| |
| /** |
| * Disable the Le Audio profile for each of the Le Audio devices. |
| * |
| * @param profile the LeAudio profile |
| */ |
| private void disableLeAudioProfile(LocalBluetoothProfile profile) { |
| if (profile == null || mProfileDeviceMap.get(profile.toString()) == null) { |
| Log.e(TAG, "There is no the LE profile or no device in mProfileDeviceMap. Do nothing."); |
| return; |
| } |
| |
| LocalBluetoothProfile asha = mProfileManager.getHearingAidProfile(); |
| |
| for (CachedBluetoothDevice leAudioDevice : mProfileDeviceMap.get(profile.toString())) { |
| Log.d(TAG, |
| "device:" + leAudioDevice.getDevice().getAnonymizedAddress() |
| + "disable LE profile"); |
| profile.setEnabled(leAudioDevice.getDevice(), false); |
| if (asha != null) { |
| asha.setEnabled(leAudioDevice.getDevice(), true); |
| } |
| } |
| |
| if (!SystemProperties.getBoolean(ENABLE_DUAL_MODE_AUDIO, false)) { |
| Log.i(TAG, "Enabling classic audio profiles because dual mode is disabled"); |
| enableProfileAfterUserDisablesLeAudio(mProfileManager.getA2dpProfile()); |
| enableProfileAfterUserDisablesLeAudio(mProfileManager.getHeadsetProfile()); |
| } |
| } |
| |
| /** |
| * Enable the Le Audio profile for each of the Le Audio devices. |
| * |
| * @param profile the LeAudio profile |
| */ |
| private void enableLeAudioProfile(LocalBluetoothProfile profile) { |
| if (profile == null || mProfileDeviceMap.get(profile.toString()) == null) { |
| Log.e(TAG, "There is no the LE profile or no device in mProfileDeviceMap. Do nothing."); |
| return; |
| } |
| |
| if (!SystemProperties.getBoolean(ENABLE_DUAL_MODE_AUDIO, false)) { |
| Log.i(TAG, "Disabling classic audio profiles because dual mode is disabled"); |
| disableProfileBeforeUserEnablesLeAudio(mProfileManager.getA2dpProfile()); |
| disableProfileBeforeUserEnablesLeAudio(mProfileManager.getHeadsetProfile()); |
| } |
| LocalBluetoothProfile asha = mProfileManager.getHearingAidProfile(); |
| |
| for (CachedBluetoothDevice leAudioDevice : mProfileDeviceMap.get(profile.toString())) { |
| Log.d(TAG, |
| "device:" + leAudioDevice.getDevice().getAnonymizedAddress() |
| + "enable LE profile"); |
| profile.setEnabled(leAudioDevice.getDevice(), true); |
| if (asha != null) { |
| asha.setEnabled(leAudioDevice.getDevice(), false); |
| } |
| } |
| } |
| |
| private void disableProfileBeforeUserEnablesLeAudio(LocalBluetoothProfile profile) { |
| if (profile != null && mProfileDeviceMap.get(profile.toString()) != null) { |
| Log.d(TAG, "Disable " + profile.toString() + " before user enables LE"); |
| for (CachedBluetoothDevice profileDevice : mProfileDeviceMap.get(profile.toString())) { |
| if (profile.isEnabled(profileDevice.getDevice())) { |
| Log.d(TAG, "The " + profileDevice.getDevice().getAnonymizedAddress() + ":" |
| + profile.toString() + " set disable"); |
| profile.setEnabled(profileDevice.getDevice(), false); |
| } else { |
| Log.d(TAG, "The " + profileDevice.getDevice().getAnonymizedAddress() + ":" |
| + profile.toString() + " profile is disabled. Do nothing."); |
| } |
| } |
| } else { |
| if (profile == null) { |
| Log.w(TAG, "profile is null"); |
| } else { |
| Log.w(TAG, profile.toString() + " is not in " + mProfileDeviceMap); |
| } |
| } |
| } |
| |
| private void enableProfileAfterUserDisablesLeAudio(LocalBluetoothProfile profile) { |
| if (profile != null && mProfileDeviceMap.get(profile.toString()) != null) { |
| Log.d(TAG, "enable " + profile.toString() + "after user disables LE"); |
| for (CachedBluetoothDevice profileDevice : mProfileDeviceMap.get(profile.toString())) { |
| if (!profile.isEnabled(profileDevice.getDevice())) { |
| Log.d(TAG, "The " + profileDevice.getDevice().getAnonymizedAddress() + ":" |
| + profile.toString() + " set enable"); |
| profile.setEnabled(profileDevice.getDevice(), true); |
| } else { |
| Log.d(TAG, "The " + profileDevice.getDevice().getAnonymizedAddress() + ":" |
| + profile.toString() + " profile is enabled. Do nothing."); |
| } |
| } |
| } else { |
| if (profile == null) { |
| Log.w(TAG, "profile is null"); |
| } else { |
| Log.w(TAG, profile.toString() + " is not in " + mProfileDeviceMap); |
| } |
| } |
| } |
| |
| /** |
| * This is a helper method to be called after adding a Preference for a profile. If that |
| * profile happened to be A2dp and the device supports high quality audio, it will add a |
| * separate preference for controlling whether to actually use high quality audio. |
| * |
| * @param profile the profile just added |
| */ |
| private void maybeAddHighQualityAudioPref(LocalBluetoothProfile profile) { |
| if (!(profile instanceof A2dpProfile)) { |
| return; |
| } |
| BluetoothDevice device = mCachedDevice.getDevice(); |
| A2dpProfile a2dp = (A2dpProfile) profile; |
| if (a2dp.isProfileReady() && a2dp.supportsHighQualityAudio(device)) { |
| TwoStatePreference highQualityAudioPref = new SwitchPreferenceCompat( |
| mProfilesContainer.getContext()); |
| highQualityAudioPref.setKey(HIGH_QUALITY_AUDIO_PREF_TAG); |
| highQualityAudioPref.setVisible(false); |
| highQualityAudioPref.setOnPreferenceClickListener(clickedPref -> { |
| boolean enable = ((TwoStatePreference) clickedPref).isChecked(); |
| a2dp.setHighQualityAudioEnabled(mCachedDevice.getDevice(), enable); |
| return true; |
| }); |
| mProfilesContainer.addPreference(highQualityAudioPref); |
| } |
| } |
| |
| @Override |
| public void onPause() { |
| for (CachedBluetoothDevice item : mAllOfCachedDevices) { |
| item.unregisterCallback(this); |
| } |
| mProfileManager.removeServiceListener(this); |
| } |
| |
| @Override |
| public void onResume() { |
| updateLeAudioConfig(); |
| for (CachedBluetoothDevice item : mAllOfCachedDevices) { |
| item.registerCallback(this); |
| } |
| mProfileManager.addServiceListener(this); |
| refresh(); |
| } |
| |
| private void updateLeAudioConfig() { |
| mIsLeContactSharingEnabled = DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_SETTINGS_UI, |
| SettingsUIDeviceConfig.BT_LE_AUDIO_CONTACT_SHARING_ENABLED, true); |
| boolean isLeAudioToggleVisible = SystemProperties.getBoolean( |
| LE_AUDIO_TOGGLE_VISIBLE_PROPERTY, LE_AUDIO_TOGGLE_VISIBLE_DEFAULT_VALUE); |
| boolean isLeEnabledByDefault = |
| SystemProperties.getBoolean(LE_AUDIO_CONNECTION_BY_DEFAULT_PROPERTY, true); |
| mIsLeAudioToggleEnabled = isLeAudioToggleVisible || isLeEnabledByDefault; |
| Log.d(TAG, "BT_LE_AUDIO_CONTACT_SHARING_ENABLED:" + mIsLeContactSharingEnabled |
| + ", LE_AUDIO_TOGGLE_VISIBLE_PROPERTY:" + isLeAudioToggleVisible |
| + ", LE_AUDIO_CONNECTION_BY_DEFAULT_PROPERTY:" + isLeEnabledByDefault); |
| } |
| |
| @Override |
| public void onDeviceAttributesChanged() { |
| for (CachedBluetoothDevice item : mAllOfCachedDevices) { |
| item.unregisterCallback(this); |
| } |
| mAllOfCachedDevices = Utils.getAllOfCachedBluetoothDevices(mManager, mCachedDevice); |
| for (CachedBluetoothDevice item : mAllOfCachedDevices) { |
| item.registerCallback(this); |
| } |
| |
| super.onDeviceAttributesChanged(); |
| } |
| |
| @Override |
| public void onServiceConnected() { |
| refresh(); |
| } |
| |
| @Override |
| public void onServiceDisconnected() { |
| refresh(); |
| } |
| |
| /** |
| * Refreshes the state of the switches for all profiles, possibly adding or removing switches as |
| * needed. |
| */ |
| @Override |
| protected void refresh() { |
| for (LocalBluetoothProfile profile : getProfiles()) { |
| if (profile == null || !profile.isProfileReady()) { |
| continue; |
| } |
| TwoStatePreference pref = mProfilesContainer.findPreference(profile.toString()); |
| if (pref == null) { |
| pref = createProfilePreference(mProfilesContainer.getContext(), profile); |
| mProfilesContainer.addPreference(pref); |
| maybeAddHighQualityAudioPref(profile); |
| } |
| refreshProfilePreference(pref, profile); |
| } |
| for (LocalBluetoothProfile removedProfile : mCachedDevice.getRemovedProfiles()) { |
| final TwoStatePreference pref = |
| mProfilesContainer.findPreference(removedProfile.toString()); |
| if (pref != null) { |
| mProfilesContainer.removePreference(pref); |
| } |
| } |
| |
| Preference preference = mProfilesContainer.findPreference(KEY_BOTTOM_PREFERENCE); |
| if (preference == null) { |
| preference = new Preference(mContext); |
| preference.setLayoutResource(R.layout.preference_bluetooth_profile_category); |
| preference.setEnabled(false); |
| preference.setKey(KEY_BOTTOM_PREFERENCE); |
| preference.setOrder(ORDINAL); |
| preference.setSelectable(false); |
| mProfilesContainer.addPreference(preference); |
| } |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY_PROFILES_GROUP; |
| } |
| } |