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

Example 21 with ScanCallback

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

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 22 with ScanCallback

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

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 23 with ScanCallback

use of android.bluetooth.le.ScanCallback in project android-beacon-library by AltBeacon.

the class BluetoothMedic method runScanTest.

/**
 * Starts up a brief blueooth scan 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 runScanTest(final Context context) {
    initializeWithContext(context);
    this.mScanTestResult = null;
    LogManager.i(TAG, "Starting scan test");
    final long testStartTime = System.currentTimeMillis();
    if (this.mAdapter != null) {
        final BluetoothLeScanner scanner = this.mAdapter.getBluetoothLeScanner();
        final ScanCallback callback = new ScanCallback() {

            public void onScanResult(int callbackType, ScanResult result) {
                super.onScanResult(callbackType, result);
                BluetoothMedic.this.mScanTestResult = true;
                LogManager.i(BluetoothMedic.TAG, "Scan test succeeded");
                try {
                    scanner.stopScan(this);
                }// caught if bluetooth is off here
                 catch (IllegalStateException e) {
                /* do nothing */
                }
            }

            public void onBatchScanResults(List<ScanResult> results) {
                super.onBatchScanResults(results);
            }

            public void onScanFailed(int errorCode) {
                super.onScanFailed(errorCode);
                LogManager.d(BluetoothMedic.TAG, "Sending onScanFailed event");
                BluetoothMedic.this.processMedicAction("onScanFailed", errorCode);
                if (errorCode == 2) {
                    LogManager.w(BluetoothMedic.TAG, "Scan test failed in a way we consider a failure");
                    BluetoothMedic.this.sendScreenNotification("scan failed", "bluetooth not ok");
                    BluetoothMedic.this.mScanTestResult = false;
                } else {
                    LogManager.i(BluetoothMedic.TAG, "Scan test failed in a way we do not consider a failure");
                    BluetoothMedic.this.mScanTestResult = true;
                }
            }
        };
        if (scanner != null) {
            try {
                scanner.startScan(callback);
                while (this.mScanTestResult == null) {
                    LogManager.d(TAG, "Waiting for scan test to complete...");
                    try {
                        Thread.sleep(1000L);
                    } catch (InterruptedException e) {
                    /* do nothing */
                    }
                    if (System.currentTimeMillis() - testStartTime > 5000L) {
                        LogManager.d(TAG, "Timeout running scan test");
                        break;
                    }
                }
                scanner.stopScan(callback);
            } catch (IllegalStateException e) {
                LogManager.d(TAG, "Bluetooth is off.  Cannot run scan test.");
            } catch (NullPointerException e) {
                // Needed to stop a crash caused by internal NPE thrown by Android.  See issue #636
                LogManager.e(TAG, "NullPointerException. Cannot run scan test.", e);
            }
        } else {
            LogManager.d(TAG, "Cannot get scanner");
        }
    }
    LogManager.d(TAG, "scan test complete");
    return this.mScanTestResult == null || this.mScanTestResult;
}

Example 24 with ScanCallback

use of android.bluetooth.le.ScanCallback in project robolectric by robolectric.

the class ShadowBluetoothLeScannerTest method setUp.

@Before
public void setUp() throws Exception {
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (RuntimeEnvironment.getApiLevel() < M) {
        // On SDK < 23, bluetooth has to be in STATE_ON in order to get a BluetoothLeScanner.
        shadowOf(adapter).setState(BluetoothAdapter.STATE_ON);
    }
    bluetoothLeScanner = adapter.getBluetoothLeScanner();
    ParcelUuid serviceUuid = new ParcelUuid(UUID.fromString("12345678-90AB-CDEF-1234-567890ABCDEF"));
    byte[] serviceData = new byte[] { 0x01, 0x02, 0x03 };
    scanFilters = Collections.singletonList(new ScanFilter.Builder().setServiceUuid(serviceUuid).setServiceData(serviceUuid, serviceData).build());
    scanSettings = new ScanSettings.Builder().setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY).setCallbackType(ScanSettings.CALLBACK_TYPE_ALL_MATCHES).setReportDelay(0).build();
    scanCallback = new ScanCallback() {

        @Override
        public void onScanResult(int callbackType, ScanResult scanResult) {
        }

        @Override
        public void onScanFailed(int errorCode) {
        }
    };
    pendingIntent = PendingIntent.getBroadcast(ApplicationProvider.getApplicationContext(), 0, new Intent("SCAN_CALLBACK"), 0);
}