Examples with ScanCallback android.bluetooth.le.ScanCallback used on opensource projects

Example 16 with ScanCallback

use of android.bluetooth.le.ScanCallback in project android_frameworks_base by crdroidandroid.

the class BluetoothAdapter method startLeScan.

/**
     * Starts a scan for Bluetooth LE devices, looking for devices that
     * advertise given services.
     *
     * <p>Devices which advertise all specified services are reported using the
     * {@link LeScanCallback#onLeScan} callback.
     *
     * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission.
     *
     * @param serviceUuids Array of services to look for
     * @param callback the callback LE scan results are delivered
     * @return true, if the scan was started successfully
     * @deprecated use {@link BluetoothLeScanner#startScan(List, ScanSettings, ScanCallback)}
     *             instead.
     */
@Deprecated
@RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN)
public boolean startLeScan(final UUID[] serviceUuids, final LeScanCallback callback) {
    if (DBG)
        Log.d(TAG, "startLeScan(): " + Arrays.toString(serviceUuids));
    if (callback == null) {
        if (DBG)
            Log.e(TAG, "startLeScan: null callback");
        return false;
    }
    BluetoothLeScanner scanner = getBluetoothLeScanner();
    if (scanner == null) {
        if (DBG)
            Log.e(TAG, "startLeScan: cannot get BluetoothLeScanner");
        return false;
    }
    synchronized (mLeScanClients) {
        if (mLeScanClients.containsKey(callback)) {
            if (DBG)
                Log.e(TAG, "LE Scan has already started");
            return false;
        }
        try {
            IBluetoothGatt iGatt = mManagerService.getBluetoothGatt();
            if (iGatt == null) {
                // BLE is not supported
                return false;
            }
            ScanCallback scanCallback = new ScanCallback() {

                @Override
                public void onScanResult(int callbackType, ScanResult result) {
                    if (callbackType != ScanSettings.CALLBACK_TYPE_ALL_MATCHES) {
                        // Should not happen.
                        Log.e(TAG, "LE Scan has already started");
                        return;
                    }
                    ScanRecord scanRecord = result.getScanRecord();
                    if (scanRecord == null) {
                        return;
                    }
                    if (serviceUuids != null) {
                        List<ParcelUuid> uuids = new ArrayList<ParcelUuid>();
                        for (UUID uuid : serviceUuids) {
                            uuids.add(new ParcelUuid(uuid));
                        }
                        List<ParcelUuid> scanServiceUuids = scanRecord.getServiceUuids();
                        if (scanServiceUuids == null || !scanServiceUuids.containsAll(uuids)) {
                            if (DBG)
                                Log.d(TAG, "uuids does not match");
                            return;
                        }
                    }
                    callback.onLeScan(result.getDevice(), result.getRssi(), scanRecord.getBytes());
                }
            };
            ScanSettings settings = new ScanSettings.Builder().setCallbackType(ScanSettings.CALLBACK_TYPE_ALL_MATCHES).setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY).build();
            List<ScanFilter> filters = new ArrayList<ScanFilter>();
            if (serviceUuids != null && serviceUuids.length > 0) {
                // Note scan filter does not support matching an UUID array so we put one
                // UUID to hardware and match the whole array in callback.
                ScanFilter filter = new ScanFilter.Builder().setServiceUuid(new ParcelUuid(serviceUuids[0])).build();
                filters.add(filter);
            }
            scanner.startScan(filters, settings, scanCallback);
            mLeScanClients.put(callback, scanCallback);
            return true;
        } catch (RemoteException e) {
            Log.e(TAG, "", e);
        }
    }
    return false;
}

Example 17 with ScanCallback

use of android.bluetooth.le.ScanCallback in project android_packages_apps_Settings by LineageOS.

the class AnomalyActions method doUnoptimizedBleScan.

private static void doUnoptimizedBleScan(Context ctx, long durationMs) {
    ScanSettings scanSettings = new ScanSettings.Builder().setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY).build();
    // perform ble scanning
    BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (bluetoothAdapter == null || !bluetoothAdapter.isEnabled()) {
        Log.e(TAG, "Device does not support Bluetooth or Bluetooth not enabled");
        return;
    }
    BluetoothLeScanner bleScanner = bluetoothAdapter.getBluetoothLeScanner();
    if (bleScanner == null) {
        Log.e(TAG, "Cannot access BLE scanner");
        return;
    }
    ScanCallback scanCallback = new ScanCallback() {

        @Override
        public void onScanResult(int callbackType, ScanResult result) {
            Log.v(TAG, "called onScanResult");
        }

        @Override
        public void onScanFailed(int errorCode) {
            Log.v(TAG, "called onScanFailed");
        }

        @Override
        public void onBatchScanResults(List<ScanResult> results) {
            Log.v(TAG, "called onBatchScanResults");
        }
    };
    bleScanner.startScan(null, scanSettings, scanCallback);
    try {
        Thread.sleep(durationMs);
    } catch (InterruptedException e) {
        Log.e(TAG, "Thread couldn't sleep for " + durationMs, e);
    }
    bleScanner.stopScan(scanCallback);
}

Example 18 with ScanCallback

use of android.bluetooth.le.ScanCallback in project fitpay-android-sdk by fitpay.

the class BaseSearchBLEActivity method scanForDevices.

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void scanForDevices(final boolean enable) {
    if (enable) {
        if (mLEScanner == null) {
            mLEScanner = mBluetoothAdapter.getBluetoothLeScanner();
            filters = new ArrayList<>();
            settings = new ScanSettings.Builder().setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY).build();
            mScanCallback = new ScanCallback() {

                @Override
                public void onScanResult(int callbackType, ScanResult result) {
                    addDevice(result.getDevice());
                }

                @Override
                public void onBatchScanResults(List<ScanResult> results) {
                }

                @Override
                public void onScanFailed(int errorCode) {
                }
            };
        }
        mHandler.postDelayed(new Runnable() {

            @Override
            public void run() {
                scanLeDevice(false);
            }
        }, SCAN_PERIOD);
        mLEScanner.startScan(filters, settings, mScanCallback);
    } else if (mLEScanner != null) {
        mLEScanner.stopScan(mScanCallback);
    }
}

Example 19 with ScanCallback

use of android.bluetooth.le.ScanCallback in project xDrip by NightscoutFoundation.

the class BluetoothScan method initializeScannerCallback.

@TargetApi(21)
private void initializeScannerCallback() {
    Log.d(TAG, "initializeScannerCallback");
    mScanCallback = new ScanCallback() {

        @Override
        public void onBatchScanResults(final List<ScanResult> results) {
            runOnUiThread(new Runnable() {

                @Override
                public void run() {
                    for (ScanResult result : results) {
                        BluetoothDevice device = result.getDevice();
                        if (device.getName() != null && device.getName().length() > 0) {
                            mLeDeviceListAdapter.addDevice(device);
                            try {
                                if (result.getScanRecord() != null)
                                    adverts.put(device.getAddress(), result.getScanRecord().getBytes());
                            } catch (NullPointerException e) {
                            // 
                            }
                        }
                    }
                    mLeDeviceListAdapter.notifyDataSetChanged();
                }
            });
        }

        @Override
        public void onScanResult(int callbackType, final ScanResult result) {
            final BluetoothDevice device = result.getDevice();
            runOnUiThread(new Runnable() {

                @Override
                public void run() {
                    final String deviceName = device.getName();
                    if (deviceName != null && deviceName.length() > 0) {
                        mLeDeviceListAdapter.addDevice(device);
                        try {
                            if (result.getScanRecord() != null)
                                adverts.put(device.getAddress(), result.getScanRecord().getBytes());
                        } catch (NullPointerException e) {
                        // 
                        }
                        mLeDeviceListAdapter.notifyDataSetChanged();
                    }
                }
            });
        }
    };
}

Example 20 with ScanCallback

use of android.bluetooth.le.ScanCallback in project android_packages_apps_Settings by omnirom.

the class AnomalyActions method doUnoptimizedBleScan.

private static void doUnoptimizedBleScan(Context ctx, long durationMs) {
    ScanSettings scanSettings = new ScanSettings.Builder().setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY).build();
    // perform ble scanning
    BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (bluetoothAdapter == null || !bluetoothAdapter.isEnabled()) {
        Log.e(TAG, "Device does not support Bluetooth or Bluetooth not enabled");
        return;
    }
    BluetoothLeScanner bleScanner = bluetoothAdapter.getBluetoothLeScanner();
    if (bleScanner == null) {
        Log.e(TAG, "Cannot access BLE scanner");
        return;
    }
    ScanCallback scanCallback = new ScanCallback() {

        @Override
        public void onScanResult(int callbackType, ScanResult result) {
            Log.v(TAG, "called onScanResult");
        }

        @Override
        public void onScanFailed(int errorCode) {
            Log.v(TAG, "called onScanFailed");
        }

        @Override
        public void onBatchScanResults(List<ScanResult> results) {
            Log.v(TAG, "called onBatchScanResults");
        }
    };
    bleScanner.startScan(null, scanSettings, scanCallback);
    try {
        Thread.sleep(durationMs);
    } catch (InterruptedException e) {
        Log.e(TAG, "Thread couldn't sleep for " + durationMs, e);
    }
    bleScanner.stopScan(scanCallback);
}