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Commit 0f5abcc5 authored by Tom Turney's avatar Tom Turney
Browse files

Feature request: Increasing advertise data size on 

non-connectable adv.
When the advertisement is non-connectable, give back the
bytes to the advertiser where the adv flags would have been.
This increases the non-connectable advertisement's advertise
data from 24 to 27 bytes.

Bug:18359570
Change-Id: Ia3cc48dca50cc3c51095ee92a489f143f6d350b1
parent 5e003c3b

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

+6 −4
Original line number Diff line number Diff line
@@ -117,8 +117,9 @@ public final class BluetoothLeAdvertiser { 
                        AdvertiseCallback.ADVERTISE_FAILED_FEATURE_UNSUPPORTED);

                return;

            }

            if (totalBytes(advertiseData) > MAX_ADVERTISING_DATA_BYTES ||

                    totalBytes(scanResponse) > MAX_ADVERTISING_DATA_BYTES) {

            boolean isConnectable = settings.isConnectable();

            if (totalBytes(advertiseData, isConnectable) > MAX_ADVERTISING_DATA_BYTES ||

                    totalBytes(scanResponse, isConnectable) > MAX_ADVERTISING_DATA_BYTES) {

                postStartFailure(callback, AdvertiseCallback.ADVERTISE_FAILED_DATA_TOO_LARGE);

                return;

            }
@@ -171,9 +172,10 @@ public final class BluetoothLeAdvertiser { 
    }



    // Compute the size of the advertise data.

    private int totalBytes(AdvertiseData data) {

    private int totalBytes(AdvertiseData data, boolean isConnectable) {

        if (data == null) return 0;

        int size = FLAGS_FIELD_BYTES; // flags field is always set.

        // Flags field is omitted if the advertising is not connectable.

        int size = isConnectable ? FLAGS_FIELD_BYTES : 0;

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

            int num16BitUuids = 0;

            int num32BitUuids = 0;