android.bluetooth.le.BluetoothLeAdvertiser Java Examples

private void stopBroadcast() {
    Log.v(TAG, "Stop broadcasting");
    if (callback != null) {
        BluetoothLeAdvertiser advertiser = BluetoothAdapter.getDefaultAdapter().getBluetoothLeAdvertiser();
        advertiser.stopAdvertising(callback);
        callback = null;
    }
}
 

public static boolean startAdvertising(BluetoothAdapter adapter, AdvertiseSettings settings, AdvertiseData adData, AdvertisingCallback callback)
{
    final BluetoothLeAdvertiser adv = adapter.getBluetoothLeAdvertiser();
    if (adv == null)
        return false;

    m_userAdvCallback = callback;
    adv.startAdvertising(settings, adData, m_nativeAdvertiseCallback);
    return true;
}
 

public static void stopAdvertising(BluetoothAdapter adapter)
{
    if (adapter != null)
    {
        final BluetoothLeAdvertiser adv = adapter.getBluetoothLeAdvertiser();
        if (adv != null)
        {
            adv.stopAdvertising(m_nativeAdvertiseCallback);
        }
    }
}
 

/**
 * Attempt to start BLE advertising.
 * @param bleAdvertiser   BLE advertiser
 * @return  True if no exception occurred while trying to start advertising.
 */
boolean start(BluetoothLeAdvertiser bleAdvertiser) {
    try {
        bleAdvertiser.startAdvertising(getAdvertiseSettings(), getAdvertiseData(),
                getAdvertiseScanResponse(), this);
    } catch (IllegalStateException e) {
        // tried to start advertising after Bluetooth was turned off
        // let upper level notice that BT is off instead of reporting an error
        if (BuildConfig.DEBUG) {
            Log.e(TAG, "start", e);
        }
        return false;
    }

    return true;
}
 

/**
 * Mark the advertiser as stopped and attempt to actually stop BLE advertisements.
 * @param bleAdvertiser    BLE advertiser, or null
 * @return  True if there was no error while trying to stop the Bluetooth advertiser.
 */
boolean stop(BluetoothLeAdvertiser bleAdvertiser) {
    updateEstimatedPDUCount();
    mStatus = STATUS_STOPPED;

    if (null != bleAdvertiser) {
        bleAdvertiser.stopAdvertising(this);
    }

    return true;
}
 

public static boolean startAdvertising(BluetoothAdapter adapter, AdvertiseSettings settings, AdvertiseData adData, AdvertisingCallback callback)
{
    final BluetoothLeAdvertiser adv = adapter.getBluetoothLeAdvertiser();
    if (adv == null)
        return false;

    m_userAdvCallback = callback;
    adv.startAdvertising(settings, adData, m_nativeAdvertiseCallback);
    return true;
}
 

public static void stopAdvertising(BluetoothAdapter adapter)
{
    if (adapter != null)
    {
        final BluetoothLeAdvertiser adv = adapter.getBluetoothLeAdvertiser();
        if (adv != null)
        {
            adv.stopAdvertising(m_nativeAdvertiseCallback);
        }
    }
}
 

@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
private BluetoothLeAdvertiser getAdvertiserSafely(BluetoothAdapter adapter) {
    try {
        // This can sometimes throw a NullPointerException as reported here:
        // https://github.com/AltBeacon/android-beacon-library/issues/672
        return adapter.getBluetoothLeAdvertiser();
    }
    catch (Exception e) {
        LogManager.w(TAG, "Cannot get bluetoothLeAdvertiser", e);
    }
    return null;
}
 

void advertise() {
    BluetoothLeAdvertiser advertiser = BluetoothAdapter.getDefaultAdapter().getBluetoothLeAdvertiser();
    //define the power settings  could use ADVERTISE_MODE_LOW_POWER, ADVERTISE_MODE_BALANCED too.
    AdvertiseSettings settings = new AdvertiseSettings.Builder()
        .setAdvertiseMode(AdvertiseSettings.ADVERTISE_MODE_LOW_LATENCY)
        .setTxPowerLevel(AdvertiseSettings.ADVERTISE_TX_POWER_HIGH)
        .setConnectable(false)
        .build();

    ParcelUuid pUuid = new ParcelUuid(UUID.fromString(getString(R.string.ble_uuid)));

    AdvertiseData data = new AdvertiseData.Builder()
        .setIncludeDeviceName(false)
        .addServiceUuid(pUuid)
        .addServiceData(pUuid, "LE Demo".getBytes(Charset.forName("UTF-8")))
        .build();
    AdvertiseCallback advertisingCallback = new AdvertiseCallback() {
        @Override
        public void onStartSuccess(AdvertiseSettings settingsInEffect) {
            super.onStartSuccess(settingsInEffect);
        }

        @Override
        public void onStartFailure(int errorCode) {
            Log.e("BLE", "Advertising onStartFailure: " + errorCode);
            super.onStartFailure(errorCode);
        }
    };

    advertiser.startAdvertising(settings, data, advertisingCallback);
    //advertiser.stopAdvertising(advertisingCallback);
}
 

private void advertise() {
        BluetoothLeAdvertiser advertiser = BluetoothAdapter.getDefaultAdapter().getBluetoothLeAdvertiser();

        AdvertiseSettings settings = new AdvertiseSettings.Builder()
                .setAdvertiseMode( AdvertiseSettings.ADVERTISE_MODE_LOW_LATENCY )
                .setTxPowerLevel( AdvertiseSettings.ADVERTISE_TX_POWER_HIGH )
                .setConnectable(false)
                .build();

        ParcelUuid pUuid = new ParcelUuid( UUID.fromString( getString( R.string.ble_uuid ) ) );

        AdvertiseData data = new AdvertiseData.Builder()
                .setIncludeDeviceName( true )
                .addServiceUuid( pUuid )
                .addServiceData( pUuid, "Data".getBytes(Charset.forName("UTF-8") ) )
                .build();

        AdvertiseCallback advertisingCallback = new AdvertiseCallback() {
            @Override
            public void onStartSuccess(AdvertiseSettings settingsInEffect) {
                super.onStartSuccess(settingsInEffect);
            }

            @Override
            public void onStartFailure(int errorCode) {
                Log.e( "BLE", "Advertising onStartFailure: " + errorCode );
                super.onStartFailure(errorCode);
            }
        };

        advertiser.startAdvertising( settings, data, advertisingCallback );
}
 

private void startBroadcast(String uuid, int major, int minor, String id) {
    Log.v(TAG, "Start broadcasting for uuid = "+uuid+", major = "+major+", minor = "+minor+", id = "+id);
    BluetoothLeAdvertiser advertiser = BluetoothAdapter.getDefaultAdapter().getBluetoothLeAdvertiser();
    AdvertiseSettings parameters = new AdvertiseSettings.Builder()
            .setAdvertiseMode(AdvertiseSettings.ADVERTISE_MODE_LOW_LATENCY)
            .setConnectable(false)
            .setTxPowerLevel(AdvertiseSettings.ADVERTISE_TX_POWER_HIGH)
            .build();

    byte[] payload = getPayload(uuid, major, minor);
    AdvertiseData data = new AdvertiseData.Builder()
            .addManufacturerData(0x004C, payload)
            .build();
    callback = new AdvertiseCallback() {
        @Override
        public void onStartSuccess(AdvertiseSettings settingsInEffect) {
            super.onStartSuccess(settingsInEffect);
            Log.v(TAG, "onStartSuccess");
        }

        @Override
        public void onStartFailure(int errorCode) {
            Log.e(TAG, "Advertising onStartFailure: " + errorCode);
            super.onStartFailure(errorCode);
        }
    };

    Log.v(TAG, "Advertise with payload = " + Arrays.toString(payload));
    advertiser.startAdvertising(parameters, data, callback);
}
 

public static BluetoothLeAdvertiser getBluetoothLeAdvertiser(BluetoothAdapter adapter)
{
    return adapter.getBluetoothLeAdvertiser();
}
 

public static BluetoothLeAdvertiser getBluetoothLeAdvertiser(BluetoothAdapter adapter)
{
    return adapter.getBluetoothLeAdvertiser();
}
 

/**
 * Starts up a beacon transmitter with the intent of seeing if it results in an error condition
 * indicating the bluetooth stack may be in a bad state.
 *
 * If the failure error code matches a pattern known to be associated with a bad bluetooth stack
 * state, then the bluetooth stack is turned off and then back on after a short delay in order
 * to try to recover.
 *
 * @return false if the test indicates a failure indicating a bad state of the bluetooth stack
 */
@SuppressWarnings({"unused","WeakerAccess"})
@RequiresApi(21)
public boolean runTransmitterTest(final Context context) {
    initializeWithContext(context);
    this.mTransmitterTestResult = null;
    long testStartTime = System.currentTimeMillis();
    if (mAdapter != null) {
        final BluetoothLeAdvertiser advertiser = getAdvertiserSafely(mAdapter);
        if(advertiser != null) {
            AdvertiseSettings settings = (new Builder()).setAdvertiseMode(0).build();
            AdvertiseData data = (new android.bluetooth.le.AdvertiseData.Builder())
                    .addManufacturerData(0, new byte[]{0}).build();
            LogManager.i(TAG, "Starting transmitter test");
            advertiser.startAdvertising(settings, data, new AdvertiseCallback() {
                public void onStartSuccess(AdvertiseSettings settingsInEffect) {
                    super.onStartSuccess(settingsInEffect);
                    LogManager.i(BluetoothMedic.TAG, "Transmitter test succeeded");
                    advertiser.stopAdvertising(this);
                    BluetoothMedic.this.mTransmitterTestResult = true;
                }

                public void onStartFailure(int errorCode) {
                    super.onStartFailure(errorCode);
                    Intent intent = new Intent("onStartFailed");
                    intent.putExtra("errorCode", errorCode);
                    LogManager.d(BluetoothMedic.TAG, "Sending onStartFailure broadcast with "
                            + BluetoothMedic.this.mLocalBroadcastManager);
                    if (BluetoothMedic.this.mLocalBroadcastManager != null) {
                        BluetoothMedic.this.mLocalBroadcastManager.sendBroadcast(intent);
                    }
                    if(errorCode == 4) {
                        BluetoothMedic.this.mTransmitterTestResult = false;
                        LogManager.w(BluetoothMedic.TAG,
                                "Transmitter test failed in a way we consider a test failure");
                        BluetoothMedic.this.sendNotification(context, "transmitter failed",
                                "bluetooth not ok");
                    } else {
                        BluetoothMedic.this.mTransmitterTestResult = true;
                        LogManager.i(BluetoothMedic.TAG,
                                "Transmitter test failed, but not in a way we consider a test failure");
                    }

                }
            });
        } else {
            LogManager.d(TAG, "Cannot get advertiser");
        }
        while(this.mTransmitterTestResult == null) {
            LogManager.d(TAG, "Waiting for transmitter test to complete...");

            try {
                Thread.sleep(1000L);
            } catch (InterruptedException e) { /* do nothing */ }

            if(System.currentTimeMillis() - testStartTime > 5000L) {
                LogManager.d(TAG, "Timeout running transmitter test");
                break;
            }
        }
    }

    LogManager.d(TAG, "transmitter test complete");
    return this.mTransmitterTestResult != null && this.mTransmitterTestResult;
}