DeviceDiscovererV21.java 文件源码

@Override
public void onStartScanning() {
    mScanner = getBluetoothAdapter().getBluetoothLeScanner();
    List<ScanFilter> filters = new ArrayList<>();
    for (BleServiceSpec spec : BluetoothSensor.SUPPORTED_SERVICES) {
        filters.add(new ScanFilter.Builder()
                .setServiceUuid(ParcelUuid.fromString(spec.getServiceId().toString()))
                .build());
    }
    ScanSettings settings = new ScanSettings.Builder()
            .setScanMode(ScanSettings.SCAN_MODE_BALANCED)
            .build();
    mScanner.startScan(filters, settings, mCallback);
}