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Commit 0a23ffb2 authored by Android Build Coastguard Worker's avatar Android Build Coastguard Worker
Browse files

Snap for 11426397 from 4c419e7d to 24Q2-release 

Change-Id: I0672ef6f0ccfc157d466b66504b239615858bc43
parents 3528324e 4c419e7d

AndroidManifest.xml

+1 −0
Original line number Diff line number Diff line
@@ -66,6 +66,7 @@ 
    <uses-permission android:name="android.permission.USE_FULL_SCREEN_INTENT"/>

    <uses-permission android:name="android.permission.ACCESS_LAST_KNOWN_CELL_ID"/>

    <uses-permission android:name="android.permission.STATUS_BAR_SERVICE" />

    <uses-permission android:name="android.permission.MODIFY_AUDIO_ROUTING" />



    <permission android:name="android.permission.BROADCAST_CALLLOG_INFO"

         android:label="Broadcast the call type/duration information"

src/com/android/server/telecom/AudioRoute.java

0 → 100644
+285 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2023 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.server.telecom;



import static com.android.server.telecom.CallAudioRouteAdapter.BT_AUDIO_CONNECTED;

import static com.android.server.telecom.CallAudioRouteAdapter.BT_AUDIO_DISCONNECTED;

import static com.android.server.telecom.CallAudioRouteAdapter.PENDING_ROUTE_FAILED;

import static com.android.server.telecom.CallAudioRouteAdapter.SPEAKER_OFF;

import static com.android.server.telecom.CallAudioRouteAdapter.SPEAKER_ON;



import android.annotation.IntDef;

import android.media.AudioDeviceInfo;

import android.media.AudioManager;

import android.telecom.Log;



import com.android.internal.annotations.VisibleForTesting;



import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Objects;

import java.util.Set;

import java.util.concurrent.CompletableFuture;

import java.util.concurrent.ExecutionException;

import java.util.concurrent.ScheduledExecutorService;

import java.util.concurrent.ScheduledThreadPoolExecutor;

import java.util.concurrent.TimeUnit;



public class AudioRoute {

    public static class Factory {

        private final ScheduledExecutorService mScheduledExecutorService =

                new ScheduledThreadPoolExecutor(1);

        private final CompletableFuture<AudioRoute> mAudioRouteFuture = new CompletableFuture<>();

        public AudioRoute create(@AudioRouteType int type, String bluetoothAddress,

                                 AudioManager audioManager) throws RuntimeException {

            createRetry(type, bluetoothAddress, audioManager, MAX_CONNECTION_RETRIES);

            try {

                return mAudioRouteFuture.get();

            } catch (InterruptedException | ExecutionException e) {

                throw new RuntimeException("Error when creating requested audio route");

            }

        }

        private void createRetry(@AudioRouteType int type, String bluetoothAddress,

                                       AudioManager audioManager, int retryCount) {

            if (retryCount == 0) {

                mAudioRouteFuture.complete(null);

            }



            Log.i(this, "creating AudioRoute with type %s and address %s, retry count %d",

                    DEVICE_TYPE_STRINGS.get(type), bluetoothAddress, retryCount);

            AudioDeviceInfo routeInfo = null;

            List<AudioDeviceInfo> infos = audioManager.getAvailableCommunicationDevices();

            List<Integer> possibleInfoTypes = AUDIO_ROUTE_TYPE_TO_DEVICE_INFO_TYPE.get(type);

            for (AudioDeviceInfo info : infos) {

                Log.i(this, "type: " + info.getType());

                if (possibleInfoTypes != null && possibleInfoTypes.contains(info.getType())) {

                    if (BT_AUDIO_ROUTE_TYPES.contains(type)) {

                        if (bluetoothAddress.equals(info.getAddress())) {

                            routeInfo = info;

                            break;

                        }

                    } else {

                        routeInfo = info;

                        break;

                    }

                }

            }

            if (routeInfo == null) {

                CompletableFuture<Boolean> future = new CompletableFuture<>();

                mScheduledExecutorService.schedule(new Runnable() {

                    @Override

                    public void run() {

                        createRetry(type, bluetoothAddress, audioManager, retryCount - 1);

                    }

                }, RETRY_TIME_DELAY, TimeUnit.MILLISECONDS);

            } else {

                mAudioRouteFuture.complete(new AudioRoute(type, bluetoothAddress, routeInfo));

            }

        }

    }



    private static final long RETRY_TIME_DELAY = 500L;

    private static final int MAX_CONNECTION_RETRIES = 2;

    public static final int TYPE_INVALID = 0;

    public static final int TYPE_EARPIECE = 1;

    public static final int TYPE_WIRED = 2;

    public static final int TYPE_SPEAKER = 3;

    public static final int TYPE_DOCK = 4;

    public static final int TYPE_BLUETOOTH_SCO = 5;

    public static final int TYPE_BLUETOOTH_HA = 6;

    public static final int TYPE_BLUETOOTH_LE = 7;

    @IntDef(prefix = "TYPE", value = {

            TYPE_INVALID,

            TYPE_EARPIECE,

            TYPE_WIRED,

            TYPE_SPEAKER,

            TYPE_DOCK,

            TYPE_BLUETOOTH_SCO,

            TYPE_BLUETOOTH_HA,

            TYPE_BLUETOOTH_LE

    })

    @Retention(RetentionPolicy.SOURCE)

    public @interface AudioRouteType {}



    private @AudioRouteType int mAudioRouteType;

    private String mBluetoothAddress;

    private AudioDeviceInfo mInfo;

    public static final Set<Integer> BT_AUDIO_DEVICE_INFO_TYPES = Set.of(

            AudioDeviceInfo.TYPE_BLE_HEADSET,

            AudioDeviceInfo.TYPE_BLE_SPEAKER,

            AudioDeviceInfo.TYPE_BLE_BROADCAST,

            AudioDeviceInfo.TYPE_HEARING_AID,

            AudioDeviceInfo.TYPE_BLUETOOTH_SCO

    );



    public static final Set<Integer> BT_AUDIO_ROUTE_TYPES = Set.of(

            AudioRoute.TYPE_BLUETOOTH_SCO,

            AudioRoute.TYPE_BLUETOOTH_HA,

            AudioRoute.TYPE_BLUETOOTH_LE

    );



    public static final HashMap<Integer, String> DEVICE_TYPE_STRINGS;

    static {

        DEVICE_TYPE_STRINGS = new HashMap<>();

        DEVICE_TYPE_STRINGS.put(TYPE_EARPIECE, "TYPE_EARPIECE");

        DEVICE_TYPE_STRINGS.put(TYPE_WIRED, "TYPE_WIRED_HEADSET");

        DEVICE_TYPE_STRINGS.put(TYPE_SPEAKER, "TYPE_SPEAKER");

        DEVICE_TYPE_STRINGS.put(TYPE_DOCK, "TYPE_DOCK");

        DEVICE_TYPE_STRINGS.put(TYPE_BLUETOOTH_SCO, "TYPE_BLUETOOTH_SCO");

        DEVICE_TYPE_STRINGS.put(TYPE_BLUETOOTH_HA, "TYPE_BLUETOOTH_HA");

        DEVICE_TYPE_STRINGS.put(TYPE_BLUETOOTH_LE, "TYPE_BLUETOOTH_LE");

    }



    public static final HashMap<Integer, Integer> DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE;

    static {

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE = new HashMap<>();

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_BUILTIN_EARPIECE,

                TYPE_EARPIECE);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_BUILTIN_SPEAKER, TYPE_SPEAKER);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_WIRED_HEADSET, TYPE_WIRED);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_WIRED_HEADPHONES, TYPE_WIRED);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_BLUETOOTH_SCO,

                TYPE_BLUETOOTH_SCO);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_USB_DEVICE, TYPE_WIRED);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_USB_ACCESSORY, TYPE_WIRED);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_DOCK, TYPE_DOCK);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_USB_HEADSET, TYPE_WIRED);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_HEARING_AID,

                TYPE_BLUETOOTH_HA);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_BLE_HEADSET,

                TYPE_BLUETOOTH_LE);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_BLE_SPEAKER,

                TYPE_BLUETOOTH_LE);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_BLE_BROADCAST,

                TYPE_BLUETOOTH_LE);

        DEVICE_INFO_TYPETO_AUDIO_ROUTE_TYPE.put(AudioDeviceInfo.TYPE_DOCK_ANALOG, TYPE_DOCK);

    }



    private static final HashMap<Integer, List<Integer>> AUDIO_ROUTE_TYPE_TO_DEVICE_INFO_TYPE;

    static {

        AUDIO_ROUTE_TYPE_TO_DEVICE_INFO_TYPE = new HashMap<>();

        List<Integer> earpieceDeviceInfoTypes = new ArrayList<>();

        earpieceDeviceInfoTypes.add(AudioDeviceInfo.TYPE_BUILTIN_EARPIECE);

        AUDIO_ROUTE_TYPE_TO_DEVICE_INFO_TYPE.put(TYPE_EARPIECE, earpieceDeviceInfoTypes);



        List<Integer> wiredDeviceInfoTypes = new ArrayList<>();

        wiredDeviceInfoTypes.add(AudioDeviceInfo.TYPE_WIRED_HEADSET);

        wiredDeviceInfoTypes.add(AudioDeviceInfo.TYPE_WIRED_HEADPHONES);

        wiredDeviceInfoTypes.add(AudioDeviceInfo.TYPE_USB_DEVICE);

        wiredDeviceInfoTypes.add(AudioDeviceInfo.TYPE_USB_ACCESSORY);

        wiredDeviceInfoTypes.add(AudioDeviceInfo.TYPE_USB_HEADSET);

        AUDIO_ROUTE_TYPE_TO_DEVICE_INFO_TYPE.put(TYPE_WIRED, wiredDeviceInfoTypes);



        List<Integer> speakerDeviceInfoTypes = new ArrayList<>();

        speakerDeviceInfoTypes.add(AudioDeviceInfo.TYPE_BUILTIN_SPEAKER);

        AUDIO_ROUTE_TYPE_TO_DEVICE_INFO_TYPE.put(TYPE_SPEAKER, speakerDeviceInfoTypes);



        List<Integer> dockDeviceInfoTypes = new ArrayList<>();

        dockDeviceInfoTypes.add(AudioDeviceInfo.TYPE_DOCK);

        dockDeviceInfoTypes.add(AudioDeviceInfo.TYPE_DOCK_ANALOG);

        AUDIO_ROUTE_TYPE_TO_DEVICE_INFO_TYPE.put(TYPE_DOCK, dockDeviceInfoTypes);



        List<Integer> bluetoothScoDeviceInfoTypes = new ArrayList<>();

        bluetoothScoDeviceInfoTypes.add(AudioDeviceInfo.TYPE_BLUETOOTH_A2DP);

        bluetoothScoDeviceInfoTypes.add(AudioDeviceInfo.TYPE_BLUETOOTH_SCO);

        AUDIO_ROUTE_TYPE_TO_DEVICE_INFO_TYPE.put(TYPE_BLUETOOTH_SCO, bluetoothScoDeviceInfoTypes);



        List<Integer> bluetoothHearingAidDeviceInfoTypes = new ArrayList<>();

        bluetoothHearingAidDeviceInfoTypes.add(AudioDeviceInfo.TYPE_HEARING_AID);

        AUDIO_ROUTE_TYPE_TO_DEVICE_INFO_TYPE.put(TYPE_BLUETOOTH_HA,

                bluetoothHearingAidDeviceInfoTypes);



        List<Integer> bluetoothLeDeviceInfoTypes = new ArrayList<>();

        bluetoothLeDeviceInfoTypes.add(AudioDeviceInfo.TYPE_BLE_HEADSET);

        bluetoothLeDeviceInfoTypes.add(AudioDeviceInfo.TYPE_BLE_SPEAKER);

        bluetoothLeDeviceInfoTypes.add(AudioDeviceInfo.TYPE_BLE_BROADCAST);

        AUDIO_ROUTE_TYPE_TO_DEVICE_INFO_TYPE.put(TYPE_BLUETOOTH_LE, bluetoothLeDeviceInfoTypes);

    }



    int getType() {

        return mAudioRouteType;

    }



    String getBluetoothAddress() {

        return mBluetoothAddress;

    }



    // Invoked when entered pending route whose dest route is this route

    void onDestRouteAsPendingRoute(boolean active, PendingAudioRoute pendingAudioRoute,

                                   AudioManager audioManager) {

        if (pendingAudioRoute.isActive() && !active) {

            audioManager.clearCommunicationDevice();

        } else if (active) {

            if (mAudioRouteType == TYPE_BLUETOOTH_SCO) {

                pendingAudioRoute.addMessage(BT_AUDIO_CONNECTED);

            } else if (mAudioRouteType == TYPE_SPEAKER) {

                pendingAudioRoute.addMessage(SPEAKER_ON);

            }

            if (!audioManager.setCommunicationDevice(mInfo)) {

                pendingAudioRoute.onMessageReceived(PENDING_ROUTE_FAILED);

            }

        }

    }



    void onOrigRouteAsPendingRoute(boolean active, PendingAudioRoute pendingAudioRoute,

                                   AudioManager audioManager) {

        if (active) {

            if (mAudioRouteType == TYPE_BLUETOOTH_SCO) {

                pendingAudioRoute.addMessage(BT_AUDIO_DISCONNECTED);

            } else if (mAudioRouteType == TYPE_SPEAKER) {

                pendingAudioRoute.addMessage(SPEAKER_OFF);

            }

        }

    }



    @VisibleForTesting

    public AudioRoute(@AudioRouteType int type, String bluetoothAddress, AudioDeviceInfo info) {

        mAudioRouteType = type;

        mBluetoothAddress = bluetoothAddress;

        mInfo = info;

    }



    @Override

    public boolean equals(Object obj) {

        if (obj == null) {

            return false;

        }

        if (!(obj instanceof AudioRoute otherRoute)) {

            return false;

        }

        if (mAudioRouteType != otherRoute.getType()) {

            return false;

        }

        return !BT_AUDIO_ROUTE_TYPES.contains(mAudioRouteType) || mBluetoothAddress.equals(

                otherRoute.getBluetoothAddress());

    }



    @Override

    public int hashCode() {

        return Objects.hash(mAudioRouteType, mBluetoothAddress);

    }



    @Override

    public String toString() {

        return getClass().getSimpleName() + "[Type=" + DEVICE_TYPE_STRINGS.get(mAudioRouteType)

                + ", Address=" + ((mBluetoothAddress != null) ? mBluetoothAddress : "invalid")

                + "]";

    }

}

src/com/android/server/telecom/CallAudioCommunicationDeviceTracker.java

+4 −9
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 


package com.android.server.telecom;



import static com.android.server.telecom.AudioRoute.BT_AUDIO_DEVICE_INFO_TYPES;



import android.bluetooth.BluetoothDevice;

import android.content.Context;

import android.media.AudioDeviceInfo;
@@ -28,7 +30,6 @@ import com.android.server.telecom.flags.Flags; 


import java.util.Arrays;

import java.util.List;

import java.util.Set;

import java.util.concurrent.Semaphore;



/**
@@ -41,12 +42,6 @@ public class CallAudioCommunicationDeviceTracker { 


    // Use -1 indicates device is not set for any communication use case

    private static final int sAUDIO_DEVICE_TYPE_INVALID = -1;

    // Possible bluetooth audio device types

    private static final Set<Integer> sBT_AUDIO_DEVICE_TYPES = Set.of(

            AudioDeviceInfo.TYPE_BLE_HEADSET,

            AudioDeviceInfo.TYPE_HEARING_AID,

            AudioDeviceInfo.TYPE_BLUETOOTH_SCO

    );

    private AudioManager mAudioManager;

    private BluetoothRouteManager mBluetoothRouteManager;

    private int mAudioDeviceType = sAUDIO_DEVICE_TYPE_INVALID;
@@ -101,7 +96,7 @@ public class CallAudioCommunicationDeviceTracker { 
            mLock.tryAcquire();

        }

        // There is only one audio device type associated with each type of BT device.

        boolean isBtDevice = sBT_AUDIO_DEVICE_TYPES.contains(audioDeviceType);

        boolean isBtDevice = BT_AUDIO_DEVICE_INFO_TYPES.contains(audioDeviceType);

        Log.i(this, "setCommunicationDevice: type = %s, isBtDevice = %s, btDevice = %s",

                audioDeviceType, isBtDevice, btDevice);
@@ -182,7 +177,7 @@ public class CallAudioCommunicationDeviceTracker { 
            mLock.tryAcquire();

        }

        // There is only one audio device type associated with each type of BT device.

        boolean isBtDevice = sBT_AUDIO_DEVICE_TYPES.contains(audioDeviceType);

        boolean isBtDevice = BT_AUDIO_DEVICE_INFO_TYPES.contains(audioDeviceType);

        Log.i(this, "clearCommunicationDevice: type = %s, isBtDevice = %s",

                audioDeviceType, isBtDevice);

src/com/android/server/telecom/CallAudioRouteAdapter.java

+116 −0
Original line number Diff line number Diff line 
package com.android.server.telecom;



import android.bluetooth.BluetoothDevice;

import android.os.Handler;

import android.telecom.CallAudioState;

import android.util.SparseArray;



import com.android.internal.util.IndentingPrintWriter;



public interface CallAudioRouteAdapter {

    /** Valid values for msg.what */

    int CONNECT_WIRED_HEADSET = 1;

    int DISCONNECT_WIRED_HEADSET = 2;

    int CONNECT_DOCK = 5;

    int DISCONNECT_DOCK = 6;

    int BLUETOOTH_DEVICE_LIST_CHANGED = 7;

    int BT_ACTIVE_DEVICE_PRESENT = 8;

    int BT_ACTIVE_DEVICE_GONE = 9;

    int BT_DEVICE_ADDED = 10;

    int BT_DEVICE_REMOVED = 11;



    int SWITCH_EARPIECE = 1001;

    int SWITCH_BLUETOOTH = 1002;

    int SWITCH_HEADSET = 1003;

    int SWITCH_SPEAKER = 1004;

    // Wired headset, earpiece, or speakerphone, in that order of precedence.

    int SWITCH_BASELINE_ROUTE = 1005;



    // Messages denoting that the speakerphone was turned on/off. Used to update state when we

    // weren't the ones who turned it on/off

    int SPEAKER_ON = 1006;

    int SPEAKER_OFF = 1007;



    // Messages denoting that the streaming route switch request was sent.

    int STREAMING_FORCE_ENABLED = 1008;

    int STREAMING_FORCE_DISABLED = 1009;



    int USER_SWITCH_EARPIECE = 1101;

    int USER_SWITCH_BLUETOOTH = 1102;

    int USER_SWITCH_HEADSET = 1103;

    int USER_SWITCH_SPEAKER = 1104;

    int USER_SWITCH_BASELINE_ROUTE = 1105;



    int UPDATE_SYSTEM_AUDIO_ROUTE = 1201;



    // These three messages indicate state changes that come from BluetoothRouteManager.

    // They may be triggered by the BT stack doing something on its own or they may be sent after

    // we request that the BT stack do something. Any logic for these messages should take into

    // account the possibility that the event indicated has already been processed (i.e. handling

    // should be idempotent).

    int BT_AUDIO_DISCONNECTED = 1301;

    int BT_AUDIO_CONNECTED = 1302;

    int BT_AUDIO_PENDING = 1303;



    int MUTE_ON = 3001;

    int MUTE_OFF = 3002;

    int TOGGLE_MUTE = 3003;

    int MUTE_EXTERNALLY_CHANGED = 3004;



    int SWITCH_FOCUS = 4001;



    // Used in testing to execute verifications. Not compatible with subsessions.

    int RUN_RUNNABLE = 9001;



    // Used for PendingAudioRoute to notify audio switch success

    int EXIT_PENDING_ROUTE = 10001;

    // Used for PendingAudioRoute to notify audio switch timeout

    int PENDING_ROUTE_TIMEOUT = 10002;

    // Used for PendingAudioRoute to notify audio switch failed

    int PENDING_ROUTE_FAILED = 10003;



    /** Valid values for mAudioFocusType */

    int NO_FOCUS = 1;

    int ACTIVE_FOCUS = 2;

    int RINGING_FOCUS = 3;



    /** Valid arg for BLUETOOTH_DEVICE_LIST_CHANGED */

    int DEVICE_CONNECTED = 1;

    int DEVICE_DISCONNECTED = 2;



    SparseArray<String> MESSAGE_CODE_TO_NAME = new SparseArray<String>() {{

        put(CONNECT_WIRED_HEADSET, "CONNECT_WIRED_HEADSET");

        put(DISCONNECT_WIRED_HEADSET, "DISCONNECT_WIRED_HEADSET");

        put(CONNECT_DOCK, "CONNECT_DOCK");

        put(DISCONNECT_DOCK, "DISCONNECT_DOCK");

        put(BLUETOOTH_DEVICE_LIST_CHANGED, "BLUETOOTH_DEVICE_LIST_CHANGED");

        put(BT_ACTIVE_DEVICE_PRESENT, "BT_ACTIVE_DEVICE_PRESENT");

        put(BT_ACTIVE_DEVICE_GONE, "BT_ACTIVE_DEVICE_GONE");

        put(BT_DEVICE_ADDED, "BT_DEVICE_ADDED");

        put(BT_DEVICE_REMOVED, "BT_DEVICE_REMOVED");



        put(SWITCH_EARPIECE, "SWITCH_EARPIECE");

        put(SWITCH_BLUETOOTH, "SWITCH_BLUETOOTH");

        put(SWITCH_HEADSET, "SWITCH_HEADSET");

        put(SWITCH_SPEAKER, "SWITCH_SPEAKER");

        put(SWITCH_BASELINE_ROUTE, "SWITCH_BASELINE_ROUTE");

        put(SPEAKER_ON, "SPEAKER_ON");

        put(SPEAKER_OFF, "SPEAKER_OFF");



        put(USER_SWITCH_EARPIECE, "USER_SWITCH_EARPIECE");

        put(USER_SWITCH_BLUETOOTH, "USER_SWITCH_BLUETOOTH");

        put(USER_SWITCH_HEADSET, "USER_SWITCH_HEADSET");

        put(USER_SWITCH_SPEAKER, "USER_SWITCH_SPEAKER");

        put(USER_SWITCH_BASELINE_ROUTE, "USER_SWITCH_BASELINE_ROUTE");



        put(UPDATE_SYSTEM_AUDIO_ROUTE, "UPDATE_SYSTEM_AUDIO_ROUTE");



        put(BT_AUDIO_DISCONNECTED, "BT_AUDIO_DISCONNECTED");

        put(BT_AUDIO_CONNECTED, "BT_AUDIO_CONNECTED");

        put(BT_AUDIO_PENDING, "BT_AUDIO_PENDING");



        put(MUTE_ON, "MUTE_ON");

        put(MUTE_OFF, "MUTE_OFF");

        put(TOGGLE_MUTE, "TOGGLE_MUTE");

        put(MUTE_EXTERNALLY_CHANGED, "MUTE_EXTERNALLY_CHANGED");



        put(SWITCH_FOCUS, "SWITCH_FOCUS");



        put(RUN_RUNNABLE, "RUN_RUNNABLE");



        put(EXIT_PENDING_ROUTE, "EXIT_PENDING_ROUTE");

    }};



    void initialize();

    void sendMessageWithSessionInfo(int message);

    void sendMessageWithSessionInfo(int message, int arg);

    void sendMessageWithSessionInfo(int message, int arg, String data);

    void sendMessageWithSessionInfo(int message, int arg, BluetoothDevice bluetoothDevice);

    void sendMessage(int message, Runnable r);

    void setCallAudioManager(CallAudioManager callAudioManager);

    CallAudioState getCurrentCallAudioState();

src/com/android/server/telecom/CallAudioRouteController.java

+472 −6

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