Merge changes from topic "APIs for CS" into main (8bc860ba) · Commits · e / os / android_packages_modules_Bluetooth

android/app/aidl/android/bluetooth/IBluetoothGatt.aidl

+6 −0

Original line number	Diff line number	Diff line
		@@ -190,4 +190,10 @@ oneway interface IBluetoothGatt {
		@JavaPassthrough(annotation="@android.annotation.RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT,android.Manifest.permission.BLUETOOTH_PRIVILEGED})")
		void stopDistanceMeasurement(in ParcelUuid uuid, in BluetoothDevice device, in int method, in AttributionSource attributionSource,
		in SynchronousResultReceiver receiver);
		@JavaPassthrough(annotation="@android.annotation.RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT,android.Manifest.permission.BLUETOOTH_PRIVILEGED})")
		void getChannelSoundingMaxSupportedSecurityLevel(in BluetoothDevice remoteDevice, in AttributionSource attributionSource,
		in SynchronousResultReceiver receiver);
		@JavaPassthrough(annotation="@android.annotation.RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT,android.Manifest.permission.BLUETOOTH_PRIVILEGED})")
		void getLocalChannelSoundingMaxSupportedSecurityLevel(in AttributionSource attributionSource,
		in SynchronousResultReceiver receiver);
		}

android/app/src/com/android/bluetooth/gatt/DistanceMeasurementManager.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package com.android.bluetooth.gatt;
		import android.bluetooth.BluetoothDevice;
		import android.bluetooth.BluetoothStatusCodes;
		import android.bluetooth.BluetoothUtils;
		import android.bluetooth.le.ChannelSoundingParams;
		import android.bluetooth.le.DistanceMeasurementMethod;
		import android.bluetooth.le.DistanceMeasurementParams;
		import android.bluetooth.le.DistanceMeasurementResult;
		@@ -140,6 +141,14 @@ public class DistanceMeasurementManager {
		}
		}

		int getChannelSoundingMaxSupportedSecurityLevel(BluetoothDevice remoteDevice) {
		return ChannelSoundingParams.CS_SECURITY_LEVEL_ONE;
		}

		int getLocalChannelSoundingMaxSupportedSecurityLevel() {
		return ChannelSoundingParams.CS_SECURITY_LEVEL_ONE;
		}

		private synchronized int stopRssiTracker(UUID uuid, String identityAddress,
		boolean timeout) {
		HashSet<DistanceMeasurementTracker> set = mRssiTrackers.get(identityAddress);

android/app/src/com/android/bluetooth/gatt/GattService.java

+68 −0

Original line number	Diff line number	Diff line
		@@ -43,6 +43,7 @@ import android.bluetooth.IBluetoothGattServerCallback;
		import android.bluetooth.le.AdvertiseData;
		import android.bluetooth.le.AdvertisingSetParameters;
		import android.bluetooth.le.BluetoothLeScanner;
		import android.bluetooth.le.ChannelSoundingParams;
		import android.bluetooth.le.DistanceMeasurementMethod;
		import android.bluetooth.le.DistanceMeasurementParams;
		import android.bluetooth.le.IAdvertisingSetCallback;
		@@ -1857,6 +1858,64 @@ public class GattService extends ProfileService {
		enforceBluetoothPrivilegedPermission(service);
		return service.stopDistanceMeasurement(uuid.getUuid(), device, method);
		}

		@Override
		public void getChannelSoundingMaxSupportedSecurityLevel(
		BluetoothDevice remoteDevice,
		AttributionSource attributionSource,
		SynchronousResultReceiver receiver) {
		try {
		receiver.send(
		getChannelSoundingMaxSupportedSecurityLevel(
		remoteDevice, attributionSource));
		} catch (RuntimeException e) {
		receiver.propagateException(e);
		}
		}

		private int getChannelSoundingMaxSupportedSecurityLevel(
		BluetoothDevice remoteDevice, AttributionSource attributionSource) {
		GattService service = getService();
		if (service == null
		\|\| !callerIsSystemOrActiveOrManagedUser(
		service, TAG, "GattService getChannelSoundingMaxSupportedSecurityLevel")
		\|\| !Utils.checkConnectPermissionForDataDelivery(
		service,
		attributionSource,
		"GattService getChannelSoundingMaxSupportedSecurityLevel")) {
		return ChannelSoundingParams.CS_SECURITY_LEVEL_UNKNOWN;
		}
		enforceBluetoothPrivilegedPermission(service);
		return service.getChannelSoundingMaxSupportedSecurityLevel(remoteDevice);
		}

		@Override
		public void getLocalChannelSoundingMaxSupportedSecurityLevel(
		AttributionSource attributionSource, SynchronousResultReceiver receiver) {
		try {
		receiver.send(getLocalChannelSoundingMaxSupportedSecurityLevel(attributionSource));
		} catch (RuntimeException e) {
		receiver.propagateException(e);
		}
		}

		private int getLocalChannelSoundingMaxSupportedSecurityLevel(
		AttributionSource attributionSource) {
		GattService service = getService();
		if (service == null
		\|\| !callerIsSystemOrActiveOrManagedUser(
		service,
		TAG,
		"GattService getLocalChannelSoundingMaxSupportedSecurityLevel")
		\|\| !Utils.checkConnectPermissionForDataDelivery(
		service,
		attributionSource,
		"GattService getLocalChannelSoundingMaxSupportedSecurityLevel")) {
		return ChannelSoundingParams.CS_SECURITY_LEVEL_UNKNOWN;
		}
		enforceBluetoothPrivilegedPermission(service);
		return service.getLocalChannelSoundingMaxSupportedSecurityLevel();
		}
		};

		/**************************************************************************
		@@ -3599,6 +3658,15 @@ public class GattService extends ProfileService {
		return mDistanceMeasurementManager.stopDistanceMeasurement(uuid, device, method, false);
		}

		int getChannelSoundingMaxSupportedSecurityLevel(BluetoothDevice remoteDevice) {
		return mDistanceMeasurementManager.getChannelSoundingMaxSupportedSecurityLevel(
		remoteDevice);
		}

		int getLocalChannelSoundingMaxSupportedSecurityLevel() {
		return mDistanceMeasurementManager.getLocalChannelSoundingMaxSupportedSecurityLevel();
		}

		/**************************************************************************
		* GATT Service functions - CLIENT
		*************************************************************************/

framework/api/system-current.txt

+48 −0

Original line number	Diff line number	Diff line
		@@ -1227,7 +1227,37 @@ package android.bluetooth.le {
		method @Deprecated @RequiresPermission(android.Manifest.permission.BLUETOOTH_SCAN) public void startTruncatedScan(java.util.List<android.bluetooth.le.TruncatedFilter>, android.bluetooth.le.ScanSettings, android.bluetooth.le.ScanCallback);
		}

		@FlaggedApi("com.android.bluetooth.flags.channel_sounding") public final class ChannelSoundingParams implements android.os.Parcelable {
		method public int describeContents();
		method public int getCsSecurityLevel();
		method public int getLocationType();
		method public int getSightType();
		method public void writeToParcel(@NonNull android.os.Parcel, int);
		field @NonNull public static final android.os.Parcelable.Creator<android.bluetooth.le.ChannelSoundingParams> CREATOR;
		field public static final int CS_SECURITY_LEVEL_FOUR = 4; // 0x4
		field public static final int CS_SECURITY_LEVEL_ONE = 1; // 0x1
		field public static final int CS_SECURITY_LEVEL_THREE = 3; // 0x3
		field public static final int CS_SECURITY_LEVEL_TWO = 2; // 0x2
		field public static final int CS_SECURITY_LEVEL_UNKNOWN = 0; // 0x0
		field public static final int LOCATION_TYPE_INDOOR = 1; // 0x1
		field public static final int LOCATION_TYPE_OUTDOOR = 2; // 0x2
		field public static final int LOCATION_TYPE_UNKNOWN = 0; // 0x0
		field public static final int SIGHT_TYPE_LINE_OF_SIGHT = 1; // 0x1
		field public static final int SIGHT_TYPE_NON_LINE_OF_SIGHT = 2; // 0x2
		field public static final int SIGHT_TYPE_UNKNOWN = 0; // 0x0
		}

		public static final class ChannelSoundingParams.Builder {
		ctor public ChannelSoundingParams.Builder();
		method @NonNull public android.bluetooth.le.ChannelSoundingParams build();
		method @NonNull public android.bluetooth.le.ChannelSoundingParams.Builder setCsSecurityLevel(int);
		method @NonNull public android.bluetooth.le.ChannelSoundingParams.Builder setLocationType(int);
		method @NonNull public android.bluetooth.le.ChannelSoundingParams.Builder setSightType(int);
		}

		public final class DistanceMeasurementManager {
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public int getChannelSoundingMaxSupportedSecurityLevel(@NonNull android.bluetooth.BluetoothDevice);
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public int getLocalChannelSoundingMaxSupportedSecurityLevel();
		method @NonNull @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public java.util.List<android.bluetooth.le.DistanceMeasurementMethod> getSupportedMethods();
		method @Nullable @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public android.os.CancellationSignal startMeasurementSession(@NonNull android.bluetooth.le.DistanceMeasurementParams, @NonNull java.util.concurrent.Executor, @NonNull android.bluetooth.le.DistanceMeasurementSession.Callback);
		}
		@@ -1253,6 +1283,7 @@ package android.bluetooth.le {

		public final class DistanceMeasurementParams implements android.os.Parcelable {
		method public int describeContents();
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") @Nullable public android.bluetooth.le.ChannelSoundingParams getChannelSoundingParams();
		method public static int getDefaultDurationSeconds();
		method @NonNull public android.bluetooth.BluetoothDevice getDevice();
		method @IntRange(from=0) public int getDurationSeconds();
		@@ -1269,6 +1300,7 @@ package android.bluetooth.le {
		public static final class DistanceMeasurementParams.Builder {
		ctor public DistanceMeasurementParams.Builder(@NonNull android.bluetooth.BluetoothDevice);
		method @NonNull public android.bluetooth.le.DistanceMeasurementParams build();
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") @NonNull public android.bluetooth.le.DistanceMeasurementParams.Builder setChannelSoundingParams(@NonNull android.bluetooth.le.ChannelSoundingParams);
		method @NonNull public android.bluetooth.le.DistanceMeasurementParams.Builder setDurationSeconds(@IntRange(from=0) int);
		method @NonNull public android.bluetooth.le.DistanceMeasurementParams.Builder setFrequency(int);
		method @NonNull public android.bluetooth.le.DistanceMeasurementParams.Builder setMethodId(int);
		@@ -1278,12 +1310,24 @@ package android.bluetooth.le {
		method public int describeContents();
		method @FloatRange(from=-90.0, to=90.0) public double getAltitudeAngle();
		method @FloatRange(from=0.0, to=360.0) public double getAzimuthAngle();
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") @FloatRange(from=0.0, to=1.0) public double getConfidenceLevel();
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") public double getDelaySpreadMeters();
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") public int getDetectedAttackLevel();
		method public double getErrorAltitudeAngle();
		method public double getErrorAzimuthAngle();
		method @FloatRange(from=0.0) public double getErrorMeters();
		method public double getResultMeters();
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") public double getVelocityMetersPerSecond();
		method public void writeToParcel(android.os.Parcel, int);
		field @NonNull public static final android.os.Parcelable.Creator<android.bluetooth.le.DistanceMeasurementResult> CREATOR;
		field @FlaggedApi("com.android.bluetooth.flags.channel_sounding") public static final int NADM_ATTACK_IS_EXTREMELY_LIKELY = 6; // 0x6
		field @FlaggedApi("com.android.bluetooth.flags.channel_sounding") public static final int NADM_ATTACK_IS_EXTREMELY_UNLIKELY = 0; // 0x0
		field @FlaggedApi("com.android.bluetooth.flags.channel_sounding") public static final int NADM_ATTACK_IS_LIKELY = 4; // 0x4
		field @FlaggedApi("com.android.bluetooth.flags.channel_sounding") public static final int NADM_ATTACK_IS_POSSIBLE = 3; // 0x3
		field @FlaggedApi("com.android.bluetooth.flags.channel_sounding") public static final int NADM_ATTACK_IS_UNLIKELY = 2; // 0x2
		field @FlaggedApi("com.android.bluetooth.flags.channel_sounding") public static final int NADM_ATTACK_IS_VERY_LIKELY = 5; // 0x5
		field @FlaggedApi("com.android.bluetooth.flags.channel_sounding") public static final int NADM_ATTACK_IS_VERY_UNLIKELY = 1; // 0x1
		field @FlaggedApi("com.android.bluetooth.flags.channel_sounding") public static final int NADM_UNKNOWN = 255; // 0xff
		}

		public static final class DistanceMeasurementResult.Builder {
		@@ -1291,8 +1335,12 @@ package android.bluetooth.le {
		method @NonNull public android.bluetooth.le.DistanceMeasurementResult build();
		method @NonNull public android.bluetooth.le.DistanceMeasurementResult.Builder setAltitudeAngle(@FloatRange(from=-90.0, to=90.0) double);
		method @NonNull public android.bluetooth.le.DistanceMeasurementResult.Builder setAzimuthAngle(@FloatRange(from=0.0, to=360.0) double);
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") @NonNull public android.bluetooth.le.DistanceMeasurementResult.Builder setConfidenceLevel(@FloatRange(from=0.0, to=100.0) double);
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") @NonNull public android.bluetooth.le.DistanceMeasurementResult.Builder setDelaySpreadMeters(double);
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") @NonNull public android.bluetooth.le.DistanceMeasurementResult.Builder setDetectedAttackLevel(int);
		method @NonNull public android.bluetooth.le.DistanceMeasurementResult.Builder setErrorAltitudeAngle(@FloatRange(from=0.0, to=180.0) double);
		method @NonNull public android.bluetooth.le.DistanceMeasurementResult.Builder setErrorAzimuthAngle(@FloatRange(from=0.0, to=360.0) double);
		method @FlaggedApi("com.android.bluetooth.flags.channel_sounding") @NonNull public android.bluetooth.le.DistanceMeasurementResult.Builder setVelocityMetersPerSecond(double);
		}

		public final class DistanceMeasurementSession {

framework/java/android/bluetooth/le/ChannelSoundingParams.java

0 → 100644

+320 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2024 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 android.bluetooth.le;

		import android.annotation.FlaggedApi;
		import android.annotation.IntDef;
		import android.annotation.NonNull;
		import android.annotation.SystemApi;
		import android.os.Parcel;
		import android.os.Parcelable;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;

		/**
		* The {@link ChannelSoundingParams} provide a way to adjust distance measurement preferences for
		* {@link DISTANCE_MEASUREMENT_METHOD_CHANNEL_SOUNDING}. Use {@link ChannelSoundingParams.Builder}
		* to create an instance of this class.
		*
		* @hide
		*/
		@FlaggedApi("com.android.bluetooth.flags.channel_sounding")
		@SystemApi
		public final class ChannelSoundingParams implements Parcelable {

		/** @hide */
		@Retention(RetentionPolicy.SOURCE)
		@IntDef(
		value = {
		SIGHT_TYPE_UNKNOWN,
		SIGHT_TYPE_LINE_OF_SIGHT,
		SIGHT_TYPE_NON_LINE_OF_SIGHT,
		})
		@interface SightType {}

		/** @hide */
		@Retention(RetentionPolicy.SOURCE)
		@IntDef(value = {LOCATION_TYPE_UNKNOWN, LOCATION_TYPE_INDOOR, LOCATION_TYPE_OUTDOOR})
		@interface LocationType {}

		/** @hide */
		@Retention(RetentionPolicy.SOURCE)
		@IntDef(
		value = {
		CS_SECURITY_LEVEL_UNKNOWN,
		CS_SECURITY_LEVEL_ONE,
		CS_SECURITY_LEVEL_TWO,
		CS_SECURITY_LEVEL_THREE,
		CS_SECURITY_LEVEL_FOUR
		})
		@interface CsSecurityLevel {}

		/**
		* Sight type is unknown.
		*
		* @hide
		*/
		@SystemApi public static final int SIGHT_TYPE_UNKNOWN = 0;

		/**
		* Remote device is in line of sight.
		*
		* @hide
		*/
		@SystemApi public static final int SIGHT_TYPE_LINE_OF_SIGHT = 1;

		/**
		* Remote device is not in line of sight.
		*
		* @hide
		*/
		@SystemApi public static final int SIGHT_TYPE_NON_LINE_OF_SIGHT = 2;

		/**
		* Location type is unknown.
		*
		* @hide
		*/
		@SystemApi public static final int LOCATION_TYPE_UNKNOWN = 0;

		/**
		* The location of the usecase is indoor.
		*
		* @hide
		*/
		@SystemApi public static final int LOCATION_TYPE_INDOOR = 1;

		/**
		* The location of the usecase is outdoor.
		*
		* @hide
		*/
		@SystemApi public static final int LOCATION_TYPE_OUTDOOR = 2;

		/**
		* Return value for {@link
		* DistanceMeasurementManager#getChannelSoundingMaxSupportedSecurityLevel(BluetoothDevice)} and
		* {@link DistanceMeasurementManager#getLocalChannelSoundingMaxSupportedSecurityLevel()} when
		* Channel Sounding is not supported, or encounters an internal error.
		*
		* @hide
		*/
		@SystemApi public static final int CS_SECURITY_LEVEL_UNKNOWN = 0;

		/**
		* Either CS tone or CS RTT.
		*
		* @hide
		*/
		@SystemApi public static final int CS_SECURITY_LEVEL_ONE = 1;

		/**
		* 150 ns CS RTT accuracy and CS tones.
		*
		* @hide
		*/
		@SystemApi public static final int CS_SECURITY_LEVEL_TWO = 2;

		/**
		* 10 ns CS RTT accuracy and CS tones.
		*
		* @hide
		*/
		@SystemApi public static final int CS_SECURITY_LEVEL_THREE = 3;

		/**
		* Level 3 with the addition of CS RTT sounding sequence or random sequence payloads, and
		* support of the Normalized Attack Detector Metric requirements.
		*
		* @hide
		*/
		@SystemApi public static final int CS_SECURITY_LEVEL_FOUR = 4;

		private int mSightType;
		private int mLocationType;
		private int mCsSecurityLevel;

		/** @hide */
		public ChannelSoundingParams(int sightType, int locationType, int csSecurityLevel) {
		mSightType = sightType;
		mLocationType = locationType;
		mCsSecurityLevel = csSecurityLevel;
		}

		/**
		* Returns sight type of this ChannelSoundingParams.
		*
		* @hide
		*/
		@SystemApi
		@SightType
		public int getSightType() {
		return mSightType;
		}

		/**
		* Returns location type of this ChannelSoundingParams.
		*
		* @hide
		*/
		@SystemApi
		@LocationType
		public int getLocationType() {
		return mLocationType;
		}

		/**
		* Returns CS security level of this ChannelSoundingParams.
		*
		* @hide
		*/
		@SystemApi
		@CsSecurityLevel
		public int getCsSecurityLevel() {
		return mCsSecurityLevel;
		}

		/**
		* {@inheritDoc}
		*
		* @hide
		*/
		@Override
		public int describeContents() {
		return 0;
		}

		/**
		* {@inheritDoc}
		*
		* @hide
		*/
		@Override
		public void writeToParcel(@NonNull Parcel out, int flags) {
		out.writeInt(mSightType);
		out.writeInt(mLocationType);
		out.writeInt(mCsSecurityLevel);
		}

		/** A {@link Parcelable.Creator} to create {@link ChannelSoundingParams} from parcel. */
		public static final @NonNull Parcelable.Creator<ChannelSoundingParams> CREATOR =
		new Parcelable.Creator<ChannelSoundingParams>() {
		@Override
		public @NonNull ChannelSoundingParams createFromParcel(@NonNull Parcel in) {
		Builder builder = new Builder();
		builder.setSightType(in.readInt());
		builder.setLocationType(in.readInt());
		builder.setCsSecurityLevel(in.readInt());
		return builder.build();
		}

		@Override
		public @NonNull ChannelSoundingParams[] newArray(int size) {
		return new ChannelSoundingParams[size];
		}
		};

		/**
		* Builder for {@link ChannelSoundingParams}.
		*
		* @hide
		*/
		@SystemApi
		public static final class Builder {
		private int mSightType = SIGHT_TYPE_UNKNOWN;
		private int mLocationType = LOCATION_TYPE_UNKNOWN;
		private int mCsSecurityLevel = CS_SECURITY_LEVEL_ONE;

		/**
		* Set sight type for the ChannelSoundingParams.
		*
		* @param sightType sight type of this ChannelSoundingParams
		* @return the same Builder instance
		* @hide
		*/
		@SystemApi
		public @NonNull Builder setSightType(@SightType int sightType) {
		switch (sightType) {
		case SIGHT_TYPE_UNKNOWN:
		case SIGHT_TYPE_LINE_OF_SIGHT:
		case SIGHT_TYPE_NON_LINE_OF_SIGHT:
		mSightType = sightType;
		break;
		default:
		throw new IllegalArgumentException("unknown sight type " + sightType);
		}
		return this;
		}

		/**
		* Set location type for the ChannelSoundingParams.
		*
		* @param locationType location type of this ChannelSoundingParams
		* @return the same Builder instance
		* @hide
		*/
		@SystemApi
		public @NonNull Builder setLocationType(@LocationType int locationType) {
		switch (locationType) {
		case LOCATION_TYPE_UNKNOWN:
		case LOCATION_TYPE_INDOOR:
		case LOCATION_TYPE_OUTDOOR:
		mLocationType = locationType;
		break;
		default:
		throw new IllegalArgumentException("unknown location type " + locationType);
		}
		return this;
		}

		/**
		* Set CS security level for the ChannelSoundingParams.
		*
		* <p>See: https://bluetooth.com/specifications/specs/channel-sounding-cr-pr/
		*
		* @param csSecurityLevel cs security level of this ChannelSoundingParams
		* @return the same Builder instance
		* @hide
		*/
		@SystemApi
		public @NonNull Builder setCsSecurityLevel(@CsSecurityLevel int csSecurityLevel) {
		switch (csSecurityLevel) {
		case CS_SECURITY_LEVEL_ONE:
		case CS_SECURITY_LEVEL_TWO:
		case CS_SECURITY_LEVEL_THREE:
		case CS_SECURITY_LEVEL_FOUR:
		mCsSecurityLevel = csSecurityLevel;
		break;
		default:
		throw new IllegalArgumentException(
		"unknown CS security level " + csSecurityLevel);
		}
		return this;
		}

		/**
		* Build the {@link ChannelSoundingParams} object.
		*
		* @hide
		*/
		@SystemApi
		public @NonNull ChannelSoundingParams build() {
		return new ChannelSoundingParams(mSightType, mLocationType, mCsSecurityLevel);
		}
		}
		}