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Commit d88b9775 authored by Jakub Pawlowski's avatar Jakub Pawlowski
Browse files

Bluetooth: make it possible to advertise service solicitation UUID 

Bug: 159827149
Tag: #feature
Test: called the API in test app, verified advertisement content
Change-Id: I3ab43e39bb7fd8fef97e141eeb981419aa3ec35a
parent 7bfef016

framework/java/android/bluetooth/le/AdvertiseData.java

+47 −7
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 


package android.bluetooth.le;



import android.annotation.NonNull;

import android.annotation.Nullable;

import android.os.Parcel;

import android.os.ParcelUuid;
@@ -43,17 +44,22 @@ public final class AdvertiseData implements Parcelable { 
    @Nullable

    private final List<ParcelUuid> mServiceUuids;



    @Nullable

    private final List<ParcelUuid> mServiceSolicitationUuids;



    private final SparseArray<byte[]> mManufacturerSpecificData;

    private final Map<ParcelUuid, byte[]> mServiceData;

    private final boolean mIncludeTxPowerLevel;

    private final boolean mIncludeDeviceName;



    private AdvertiseData(List<ParcelUuid> serviceUuids,

            List<ParcelUuid> serviceSolicitationUuids,

            SparseArray<byte[]> manufacturerData,

            Map<ParcelUuid, byte[]> serviceData,

            boolean includeTxPowerLevel,

            boolean includeDeviceName) {

        mServiceUuids = serviceUuids;

        mServiceSolicitationUuids = serviceSolicitationUuids;

        mManufacturerSpecificData = manufacturerData;

        mServiceData = serviceData;

        mIncludeTxPowerLevel = includeTxPowerLevel;
@@ -68,6 +74,14 @@ public final class AdvertiseData implements Parcelable { 
        return mServiceUuids;

    }



    /**

     * Returns a list of service solicitation UUIDs within the advertisement that we invite to connect.

     */

    @Nullable

    public List<ParcelUuid> getServiceSolicitationUuids() {

        return mServiceSolicitationUuids;

    }



    /**

     * Returns an array of manufacturer Id and the corresponding manufacturer specific data. The

     * manufacturer id is a non-negative number assigned by Bluetooth SIG.
@@ -102,8 +116,8 @@ public final class AdvertiseData implements Parcelable { 
     */

    @Override

    public int hashCode() {

        return Objects.hash(mServiceUuids, mManufacturerSpecificData, mServiceData,

                mIncludeDeviceName, mIncludeTxPowerLevel);

        return Objects.hash(mServiceUuids, mServiceSolicitationUuids, mManufacturerSpecificData,

                mServiceData, mIncludeDeviceName, mIncludeTxPowerLevel);

    }



    /**
@@ -119,6 +133,7 @@ public final class AdvertiseData implements Parcelable { 
        }

        AdvertiseData other = (AdvertiseData) obj;

        return Objects.equals(mServiceUuids, other.mServiceUuids)

                && Objects.equals(mServiceSolicitationUuids, other.mServiceSolicitationUuids)

                && BluetoothLeUtils.equals(mManufacturerSpecificData,

                    other.mManufacturerSpecificData)

                && BluetoothLeUtils.equals(mServiceData, other.mServiceData)
@@ -128,7 +143,8 @@ public final class AdvertiseData implements Parcelable { 


    @Override

    public String toString() {

        return "AdvertiseData [mServiceUuids=" + mServiceUuids + ", mManufacturerSpecificData="

        return "AdvertiseData [mServiceUuids=" + mServiceUuids + ", mServiceSolicitationUuids="

                + mServiceSolicitationUuids + ", mManufacturerSpecificData="

                + BluetoothLeUtils.toString(mManufacturerSpecificData) + ", mServiceData="

                + BluetoothLeUtils.toString(mServiceData)

                + ", mIncludeTxPowerLevel=" + mIncludeTxPowerLevel + ", mIncludeDeviceName="
@@ -143,6 +159,8 @@ public final class AdvertiseData implements Parcelable { 
    @Override

    public void writeToParcel(Parcel dest, int flags) {

        dest.writeTypedArray(mServiceUuids.toArray(new ParcelUuid[mServiceUuids.size()]), flags);

        dest.writeTypedArray(mServiceSolicitationUuids.toArray(

                new ParcelUuid[mServiceSolicitationUuids.size()]), flags);



        // mManufacturerSpecificData could not be null.

        dest.writeInt(mManufacturerSpecificData.size());
@@ -174,6 +192,11 @@ public final class AdvertiseData implements Parcelable { 
                        builder.addServiceUuid(uuid);

                    }



                    ArrayList<ParcelUuid> solicitationUuids = in.createTypedArrayList(ParcelUuid.CREATOR);

                    for (ParcelUuid uuid : solicitationUuids) {

                        builder.addServiceSolicitationUuid(uuid);

                    }



                    int manufacturerSize = in.readInt();

                    for (int i = 0; i < manufacturerSize; ++i) {

                        int manufacturerId = in.readInt();
@@ -198,6 +221,8 @@ public final class AdvertiseData implements Parcelable { 
    public static final class Builder {

        @Nullable

        private List<ParcelUuid> mServiceUuids = new ArrayList<ParcelUuid>();

        @Nullable

        private List<ParcelUuid> mServiceSolicitationUuids = new ArrayList<ParcelUuid>();

        private SparseArray<byte[]> mManufacturerSpecificData = new SparseArray<byte[]>();

        private Map<ParcelUuid, byte[]> mServiceData = new ArrayMap<ParcelUuid, byte[]>();

        private boolean mIncludeTxPowerLevel;
@@ -207,16 +232,30 @@ public final class AdvertiseData implements Parcelable { 
         * Add a service UUID to advertise data.

         *

         * @param serviceUuid A service UUID to be advertised.

         * @throws IllegalArgumentException If the {@code serviceUuids} are null.

         * @throws IllegalArgumentException If the {@code serviceUuid} is null.

         */

        public Builder addServiceUuid(ParcelUuid serviceUuid) {

            if (serviceUuid == null) {

                throw new IllegalArgumentException("serivceUuids are null");

                throw new IllegalArgumentException("serviceUuid is null");

            }

            mServiceUuids.add(serviceUuid);

            return this;

        }



        /**

         * Add a service solicitation UUID to advertise data.

         *

         * @param serviceSolicitationUuid A service solicitation UUID to be advertised.

         * @throws IllegalArgumentException If the {@code serviceSolicitationUuid} is null.

         */

        @NonNull

        public Builder addServiceSolicitationUuid(@NonNull ParcelUuid serviceSolicitationUuid) {

            if (serviceSolicitationUuid == null) {

                throw new IllegalArgumentException("serviceSolicitationUuid is null");

            }

            mServiceSolicitationUuids.add(serviceSolicitationUuid);

            return this;

        }

        /**

         * Add service data to advertise data.

         *
@@ -279,8 +318,9 @@ public final class AdvertiseData implements Parcelable { 
         * Build the {@link AdvertiseData}.

         */

        public AdvertiseData build() {

            return new AdvertiseData(mServiceUuids, mManufacturerSpecificData, mServiceData,

                    mIncludeTxPowerLevel, mIncludeDeviceName);

            return new AdvertiseData(mServiceUuids, mServiceSolicitationUuids,

                    mManufacturerSpecificData, mServiceData, mIncludeTxPowerLevel,

                    mIncludeDeviceName);

        }

    }

}

framework/java/android/bluetooth/le/BluetoothLeAdvertiser.java

+27 −0
Original line number Diff line number Diff line
@@ -507,6 +507,33 @@ public final class BluetoothLeAdvertiser { 
                        + num128BitUuids * BluetoothUuid.UUID_BYTES_128_BIT;

            }

        }

        if (data.getServiceSolicitationUuids() != null) {

            int num16BitUuids = 0;

            int num32BitUuids = 0;

            int num128BitUuids = 0;

            for (ParcelUuid uuid : data.getServiceSolicitationUuids()) {

                if (BluetoothUuid.is16BitUuid(uuid)) {

                    ++num16BitUuids;

                } else if (BluetoothUuid.is32BitUuid(uuid)) {

                    ++num32BitUuids;

                } else {

                    ++num128BitUuids;

                }

            }

            // 16 bit service uuids are grouped into one field when doing advertising.

            if (num16BitUuids != 0) {

                size += OVERHEAD_BYTES_PER_FIELD + num16BitUuids * BluetoothUuid.UUID_BYTES_16_BIT;

            }

            // 32 bit service uuids are grouped into one field when doing advertising.

            if (num32BitUuids != 0) {

                size += OVERHEAD_BYTES_PER_FIELD + num32BitUuids * BluetoothUuid.UUID_BYTES_32_BIT;

            }

            // 128 bit service uuids are grouped into one field when doing advertising.

            if (num128BitUuids != 0) {

                size += OVERHEAD_BYTES_PER_FIELD

                        + num128BitUuids * BluetoothUuid.UUID_BYTES_128_BIT;

            }

        }

        for (ParcelUuid uuid : data.getServiceData().keySet()) {

            int uuidLen = BluetoothUuid.uuidToBytes(uuid).length;

            size += OVERHEAD_BYTES_PER_FIELD + uuidLen