public FingerprintContainer getFingerprints() {
        if (!wifiManager.isWifiEnabled()) {
            wifiManager.setWifiEnabled(true);
        }

        wifiManager.startScan();

        List<ScanResult> scanResults = wifiManager.getScanResults();
        List<Fingerprint> fingerprints = new ArrayList<Fingerprint>();

        for (ScanResult s : scanResults) {
            fingerprints.add(new Fingerprint(s.BSSID, s.level));
        }

        return new FingerprintContainer(fingerprints);
    }