1 /* 2 * Copyright 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.development; 18 19 import android.bluetooth.BluetoothAdapter; 20 import android.bluetooth.BluetoothManager; 21 import android.bluetooth.BluetoothStatusCodes; 22 import android.content.Context; 23 import android.os.SystemProperties; 24 import android.sysprop.BluetoothProperties; 25 26 import androidx.annotation.Nullable; 27 import androidx.annotation.VisibleForTesting; 28 import androidx.preference.Preference; 29 import androidx.preference.TwoStatePreference; 30 31 import com.android.settings.core.PreferenceControllerMixin; 32 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 33 34 /** 35 * Preference controller to control Bluetooth LE audio feature 36 */ 37 public class BluetoothLeAudioPreferenceController 38 extends DeveloperOptionsPreferenceController 39 implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin { 40 41 private static final String PREFERENCE_KEY = "bluetooth_disable_leaudio"; 42 43 private static final String LE_AUDIO_DYNAMIC_SWITCH_PROPERTY = 44 "ro.bluetooth.leaudio_switcher.supported"; 45 @VisibleForTesting 46 static final String LE_AUDIO_SWITCHER_DISABLED_PROPERTY = 47 "persist.bluetooth.leaudio_switcher.disabled"; 48 49 @Nullable private final DevelopmentSettingsDashboardFragment mFragment; 50 51 @VisibleForTesting 52 BluetoothAdapter mBluetoothAdapter; 53 54 @VisibleForTesting 55 boolean mChanged = false; 56 BluetoothLeAudioPreferenceController(Context context, @Nullable DevelopmentSettingsDashboardFragment fragment)57 public BluetoothLeAudioPreferenceController(Context context, 58 @Nullable DevelopmentSettingsDashboardFragment fragment) { 59 super(context); 60 mFragment = fragment; 61 mBluetoothAdapter = context.getSystemService(BluetoothManager.class).getAdapter(); 62 } 63 64 @Override getPreferenceKey()65 public String getPreferenceKey() { 66 return PREFERENCE_KEY; 67 } 68 69 @Override isAvailable()70 public boolean isAvailable() { 71 return BluetoothProperties.isProfileBapUnicastClientEnabled().orElse(false) 72 && !BluetoothProperties.isProfileBapBroadcastSourceEnabled().orElse(false); 73 } 74 75 @Override onPreferenceChange(Preference preference, Object newValue)76 public boolean onPreferenceChange(Preference preference, Object newValue) { 77 BluetoothRebootDialog.show(mFragment); 78 mChanged = true; 79 return false; 80 } 81 82 @Override updateState(Preference preference)83 public void updateState(Preference preference) { 84 if (mBluetoothAdapter == null) { 85 return; 86 } 87 88 final boolean leAudioSwitchSupported = 89 SystemProperties.getBoolean(LE_AUDIO_DYNAMIC_SWITCH_PROPERTY, false); 90 91 final int isLeAudioSupportedStatus = mBluetoothAdapter.isLeAudioSupported(); 92 final boolean leAudioEnabled = 93 (isLeAudioSupportedStatus == BluetoothStatusCodes.FEATURE_SUPPORTED); 94 95 ((TwoStatePreference) mPreference).setChecked(!leAudioEnabled); 96 97 // Disable option if Bluetooth is disabled or if switch is not supported 98 if (isLeAudioSupportedStatus == BluetoothStatusCodes.ERROR_BLUETOOTH_NOT_ENABLED 99 || !leAudioSwitchSupported) { 100 mPreference.setEnabled(false); 101 } 102 } 103 104 /** 105 * Called when the RebootDialog confirm is clicked. 106 */ onRebootDialogConfirmed()107 public void onRebootDialogConfirmed() { 108 if (!mChanged || mBluetoothAdapter == null) { 109 return; 110 } 111 112 final boolean leAudioDisabled = 113 (mBluetoothAdapter.isLeAudioSupported() != BluetoothStatusCodes.FEATURE_SUPPORTED); 114 SystemProperties.set(LE_AUDIO_SWITCHER_DISABLED_PROPERTY, 115 Boolean.toString(!leAudioDisabled)); 116 } 117 118 /** 119 * Called when the RebootDialog cancel is clicked. 120 */ onRebootDialogCanceled()121 public void onRebootDialogCanceled() { 122 mChanged = false; 123 } 124 } 125