9e8f83db6d
If they were null, then the Parcelable would fail to work. Bug: 126726802 Test: manual Change-Id: I7929ffa2f20e5de1c8e68e8263cca99496e9d014 Exempt-From-Owner-Approval: Trivial API annotations
292 lines
9.8 KiB
Java
292 lines
9.8 KiB
Java
/*
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* Copyright (C) 2014 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 android.telecom;
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import android.annotation.IntDef;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.annotation.TestApi;
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import android.bluetooth.BluetoothDevice;
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import android.os.Parcel;
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import android.os.Parcelable;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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import java.util.Locale;
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import java.util.Objects;
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import java.util.stream.Collectors;
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/**
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* Encapsulates the telecom audio state, including the current audio routing, supported audio
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* routing and mute.
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*/
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public final class CallAudioState implements Parcelable {
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/** @hide */
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@Retention(RetentionPolicy.SOURCE)
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@IntDef(value={ROUTE_EARPIECE, ROUTE_BLUETOOTH, ROUTE_WIRED_HEADSET, ROUTE_SPEAKER},
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flag=true)
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public @interface CallAudioRoute {}
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/** Direct the audio stream through the device's earpiece. */
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public static final int ROUTE_EARPIECE = 0x00000001;
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/** Direct the audio stream through Bluetooth. */
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public static final int ROUTE_BLUETOOTH = 0x00000002;
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/** Direct the audio stream through a wired headset. */
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public static final int ROUTE_WIRED_HEADSET = 0x00000004;
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/** Direct the audio stream through the device's speakerphone. */
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public static final int ROUTE_SPEAKER = 0x00000008;
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/**
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* Direct the audio stream through the device's earpiece or wired headset if one is
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* connected.
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*/
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public static final int ROUTE_WIRED_OR_EARPIECE = ROUTE_EARPIECE | ROUTE_WIRED_HEADSET;
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/**
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* Bit mask of all possible audio routes.
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*
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* @hide
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**/
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public static final int ROUTE_ALL = ROUTE_EARPIECE | ROUTE_BLUETOOTH | ROUTE_WIRED_HEADSET |
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ROUTE_SPEAKER;
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private final boolean isMuted;
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private final int route;
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private final int supportedRouteMask;
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private final BluetoothDevice activeBluetoothDevice;
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private final Collection<BluetoothDevice> supportedBluetoothDevices;
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/**
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* Constructor for a {@link CallAudioState} object.
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*
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* @param muted {@code true} if the call is muted, {@code false} otherwise.
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* @param route The current audio route being used.
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* Allowed values:
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* {@link #ROUTE_EARPIECE}
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* {@link #ROUTE_BLUETOOTH}
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* {@link #ROUTE_WIRED_HEADSET}
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* {@link #ROUTE_SPEAKER}
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* @param supportedRouteMask Bit mask of all routes supported by this call. This should be a
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* bitwise combination of the following values:
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* {@link #ROUTE_EARPIECE}
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* {@link #ROUTE_BLUETOOTH}
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* {@link #ROUTE_WIRED_HEADSET}
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* {@link #ROUTE_SPEAKER}
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*/
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public CallAudioState(boolean muted, @CallAudioRoute int route,
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@CallAudioRoute int supportedRouteMask) {
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this(muted, route, supportedRouteMask, null, Collections.emptyList());
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}
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/** @hide */
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@TestApi
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public CallAudioState(boolean isMuted, @CallAudioRoute int route,
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@CallAudioRoute int supportedRouteMask,
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@Nullable BluetoothDevice activeBluetoothDevice,
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@NonNull Collection<BluetoothDevice> supportedBluetoothDevices) {
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this.isMuted = isMuted;
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this.route = route;
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this.supportedRouteMask = supportedRouteMask;
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this.activeBluetoothDevice = activeBluetoothDevice;
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this.supportedBluetoothDevices = supportedBluetoothDevices;
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}
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/** @hide */
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public CallAudioState(CallAudioState state) {
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isMuted = state.isMuted();
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route = state.getRoute();
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supportedRouteMask = state.getSupportedRouteMask();
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activeBluetoothDevice = state.activeBluetoothDevice;
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supportedBluetoothDevices = state.getSupportedBluetoothDevices();
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}
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/** @hide */
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@SuppressWarnings("deprecation")
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public CallAudioState(AudioState state) {
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isMuted = state.isMuted();
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route = state.getRoute();
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supportedRouteMask = state.getSupportedRouteMask();
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activeBluetoothDevice = null;
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supportedBluetoothDevices = Collections.emptyList();
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}
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@Override
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public boolean equals(Object obj) {
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if (obj == null) {
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return false;
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}
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if (!(obj instanceof CallAudioState)) {
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return false;
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}
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CallAudioState state = (CallAudioState) obj;
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if (supportedBluetoothDevices.size() != state.supportedBluetoothDevices.size()) {
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return false;
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}
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for (BluetoothDevice device : supportedBluetoothDevices) {
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if (!state.supportedBluetoothDevices.contains(device)) {
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return false;
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}
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}
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return Objects.equals(activeBluetoothDevice, state.activeBluetoothDevice) && isMuted() ==
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state.isMuted() && getRoute() == state.getRoute() && getSupportedRouteMask() ==
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state.getSupportedRouteMask();
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}
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@Override
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public String toString() {
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String bluetoothDeviceList = supportedBluetoothDevices.stream()
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.map(BluetoothDevice::getAddress).collect(Collectors.joining(", "));
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return String.format(Locale.US,
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"[AudioState isMuted: %b, route: %s, supportedRouteMask: %s, " +
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"activeBluetoothDevice: [%s], supportedBluetoothDevices: [%s]]",
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isMuted,
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audioRouteToString(route),
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audioRouteToString(supportedRouteMask),
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activeBluetoothDevice,
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bluetoothDeviceList);
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}
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/**
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* @return {@code true} if the call is muted, {@code false} otherwise.
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*/
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public boolean isMuted() {
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return isMuted;
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}
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/**
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* @return The current audio route being used.
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*/
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@CallAudioRoute
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public int getRoute() {
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return route;
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}
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/**
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* @return Bit mask of all routes supported by this call.
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*/
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@CallAudioRoute
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public int getSupportedRouteMask() {
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return supportedRouteMask;
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}
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/**
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* @return The {@link BluetoothDevice} through which audio is being routed.
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* Will not be {@code null} if {@link #getRoute()} returns {@link #ROUTE_BLUETOOTH}.
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*/
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public BluetoothDevice getActiveBluetoothDevice() {
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return activeBluetoothDevice;
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}
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/**
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* @return {@link List} of {@link BluetoothDevice}s that can be used for this call.
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*/
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public Collection<BluetoothDevice> getSupportedBluetoothDevices() {
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return supportedBluetoothDevices;
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}
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/**
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* Converts the provided audio route into a human readable string representation.
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*
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* @param route to convert into a string.
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*
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* @return String representation of the provided audio route.
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*/
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public static String audioRouteToString(int route) {
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if (route == 0 || (route & ~ROUTE_ALL) != 0x0) {
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return "UNKNOWN";
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}
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StringBuffer buffer = new StringBuffer();
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if ((route & ROUTE_EARPIECE) == ROUTE_EARPIECE) {
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listAppend(buffer, "EARPIECE");
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}
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if ((route & ROUTE_BLUETOOTH) == ROUTE_BLUETOOTH) {
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listAppend(buffer, "BLUETOOTH");
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}
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if ((route & ROUTE_WIRED_HEADSET) == ROUTE_WIRED_HEADSET) {
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listAppend(buffer, "WIRED_HEADSET");
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}
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if ((route & ROUTE_SPEAKER) == ROUTE_SPEAKER) {
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listAppend(buffer, "SPEAKER");
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}
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return buffer.toString();
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}
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/**
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* Responsible for creating AudioState objects for deserialized Parcels.
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*/
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public static final @android.annotation.NonNull Parcelable.Creator<CallAudioState> CREATOR =
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new Parcelable.Creator<CallAudioState> () {
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@Override
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public CallAudioState createFromParcel(Parcel source) {
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boolean isMuted = source.readByte() == 0 ? false : true;
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int route = source.readInt();
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int supportedRouteMask = source.readInt();
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BluetoothDevice activeBluetoothDevice = source.readParcelable(
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ClassLoader.getSystemClassLoader());
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List<BluetoothDevice> supportedBluetoothDevices = new ArrayList<>();
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source.readParcelableList(supportedBluetoothDevices,
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ClassLoader.getSystemClassLoader());
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return new CallAudioState(isMuted, route,
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supportedRouteMask, activeBluetoothDevice, supportedBluetoothDevices);
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}
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@Override
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public CallAudioState[] newArray(int size) {
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return new CallAudioState[size];
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}
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};
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/**
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* {@inheritDoc}
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*/
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@Override
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public int describeContents() {
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return 0;
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}
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/**
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* Writes AudioState object into a serializeable Parcel.
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*/
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@Override
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public void writeToParcel(Parcel destination, int flags) {
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destination.writeByte((byte) (isMuted ? 1 : 0));
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destination.writeInt(route);
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destination.writeInt(supportedRouteMask);
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destination.writeParcelable(activeBluetoothDevice, 0);
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destination.writeParcelableList(new ArrayList<>(supportedBluetoothDevices), 0);
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}
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private static void listAppend(StringBuffer buffer, String str) {
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if (buffer.length() > 0) {
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buffer.append(", ");
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}
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buffer.append(str);
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}
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}
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