private void onServiceAdded() {
final BluetoothLeAdvertiser bluetoothLeAdvertiser =
mBluetoothManager.getAdapter().getBluetoothLeAdvertiser();
AdvertiseData.Builder dataBuilder = new AdvertiseData.Builder();
dataBuilder.setIncludeTxPowerLevel(false); // necessity to fit in 31 byte advertisement
// dataBuilder.setManufacturerData(0, advertisingBytes);
dataBuilder.addServiceUuid(new ParcelUuid(UUID.fromString(Constants.CHAT_SERVICE_UUID)));
// dataBuilder.setServiceData(pUUID, new byte[]{});
AdvertiseSettings.Builder settingsBuilder = new AdvertiseSettings.Builder();
settingsBuilder.setAdvertiseMode(AdvertiseSettings.ADVERTISE_MODE_BALANCED);
settingsBuilder.setTxPowerLevel(AdvertiseSettings.ADVERTISE_TX_POWER_HIGH);
settingsBuilder.setConnectable(true);
bluetoothLeAdvertiser.startAdvertising(
settingsBuilder.build(), dataBuilder.build(), mAdvertiseCallback);
final Handler handler = new Handler(Looper.getMainLooper());
handler.postDelayed(
new Runnable() {
@Override
public void run() {
bluetoothLeAdvertiser.stopAdvertising(mAdvertiseCallback);
}
},
ADVERTISE_TIMEOUT);
}
public void startAdvertising() {
System.out.println("Start advertising");
if (ContextCompat.checkSelfPermission(activity, Manifest.permission.BLUETOOTH_ADMIN)
!= PackageManager.PERMISSION_GRANTED) {
System.out.println(" doesn't have permission");
} else {
System.out.println(" has permission");
advertiser = bluetoothAdapter.getBluetoothLeAdvertiser();
AdvertiseSettings.Builder settings = new AdvertiseSettings.Builder();
settings.setConnectable(true);
settings.setAdvertiseMode(AdvertiseSettings.ADVERTISE_MODE_LOW_LATENCY);
settings.setTxPowerLevel(AdvertiseSettings.ADVERTISE_TX_POWER_HIGH);
settings.setTimeout(120000);
AdvertiseData.Builder data = new AdvertiseData.Builder();
data.addServiceUuid(new ParcelUuid(UUID.fromString(B4UUID)));
data.addServiceData(
new ParcelUuid(UUID.fromString(B4UUID)), "a".getBytes(Charset.forName("UTF-8")));
data.setIncludeDeviceName(true);
advertiseCallback = new AdvertiseBack();
advertiser.startAdvertising(settings.build(), data.build(), advertiseCallback);
isAdvertising = true;
}
}
protected void setAdvertiseData() {
AdvertiseData.Builder mBuilder = new AdvertiseData.Builder();
ByteBuffer mManufacturerData = ByteBuffer.allocate(24);
byte[] uuid = getIdAsByte(UUID.fromString("4d87fc72-7adc-11e5-8bcf-feff819cdc9f"));
mManufacturerData.put(0, (byte) 0xBE); // Beacon Identifier
mManufacturerData.put(1, (byte) 0xAC); // Beacon Identifier
for (int i = 2; i <= 17; i++) {
mManufacturerData.put(i, uuid[i - 2]); // adding the UUID
}
mManufacturerData.put(18, (byte) 0x00); // first byte of Major
mManufacturerData.put(19, (byte) 0x09); // second byte of Major
mManufacturerData.put(20, (byte) 0x00); // first minor
mManufacturerData.put(21, (byte) 0x06); // second minor
mManufacturerData.put(22, (byte) 0xB5); // txPower
mBuilder.addManufacturerData(224, mManufacturerData.array()); // using google's company ID
mAdvertiseData = mBuilder.build();
}