Examples with ScanResult android.net.wifi.ScanResult used on opensource projects

Example 71 with ScanResult

use of android.net.wifi.ScanResult in project Resurrection_packages_apps_Settings by ResurrectionRemix.

the class WifiStatusTest method handleScanResultsAvailable.

private void handleScanResultsAvailable() {
    List<ScanResult> list = mWifiManager.getScanResults();
    StringBuffer scanList = new StringBuffer();
    if (list != null) {
        for (int i = list.size() - 1; i >= 0; i--) {
            final ScanResult scanResult = list.get(i);
            if (scanResult == null) {
                continue;
            }
            if (TextUtils.isEmpty(scanResult.SSID)) {
                continue;
            }
            scanList.append(scanResult.SSID + " ");
        }
    }
    mScanList.setText(scanList);
}

Example 72 with ScanResult

use of android.net.wifi.ScanResult in project teaTime by ancfdy.

the class AppWifiHelperMgr method lookupScanInfo.

/**
     * 获取扫描WIFI列表的信息
     * @return
     */
public String lookupScanInfo() {
    StringBuilder scanBuilder = new StringBuilder();
    if (scanResultList == null) {
        return "";
    }
    for (int i = 0; i < scanResultList.size(); i++) {
        ScanResult sResult = scanResultList.get(i);
        scanBuilder.append("编号：" + (i + 1));
        scanBuilder.append(" ");
        //所有信息
        scanBuilder.append(sResult.toString());
        scanBuilder.append("\n");
    }
    scanBuilder.append("--------------华丽分割线--------------------");
    for (int i = 0; i < wifiConfigList.size(); i++) {
        scanBuilder.append(wifiConfigList.get(i).toString());
        scanBuilder.append("\n");
    }
    return scanBuilder.toString();
}

Example 73 with ScanResult

use of android.net.wifi.ScanResult in project android_frameworks_base by crdroidandroid.

the class AccessPointTest method testOnLevelChanged.

public void testOnLevelChanged() {
    ScanResult result = new ScanResult();
    result.capabilities = "";
    result.SSID = TEST_SSID;
    // Give it a level.
    result.level = WifiTrackerTest.levelToRssi(1);
    mAccessPoint.update(result);
    verifyOnLevelChangedCallback(1);
    // Give it a better level.
    result.level = WifiTrackerTest.levelToRssi(2);
    mAccessPoint.update(result);
    verifyOnLevelChangedCallback(1);
}

Example 74 with ScanResult

use of android.net.wifi.ScanResult in project android_frameworks_base by crdroidandroid.

the class WifiTracker method updateAccessPoints.

private void updateAccessPoints() {
    // Swap the current access points into a cached list.
    List<AccessPoint> cachedAccessPoints = getAccessPoints();
    ArrayList<AccessPoint> accessPoints = new ArrayList<>();
    // Clear out the configs so we don't think something is saved when it isn't.
    for (AccessPoint accessPoint : cachedAccessPoints) {
        accessPoint.clearConfig();
    }
    /** Lookup table to more quickly update AccessPoints by only considering objects with the
         * correct SSID.  Maps SSID -> List of AccessPoints with the given SSID.  */
    Multimap<String, AccessPoint> apMap = new Multimap<String, AccessPoint>();
    WifiConfiguration connectionConfig = null;
    if (mLastInfo != null) {
        connectionConfig = getWifiConfigurationForNetworkId(mLastInfo.getNetworkId());
    }
    final Collection<ScanResult> results = fetchScanResults();
    final List<WifiConfiguration> configs = mWifiManager.getConfiguredNetworks();
    if (configs != null) {
        mSavedNetworksExist = configs.size() != 0;
        for (WifiConfiguration config : configs) {
            if (config.selfAdded && config.numAssociation == 0) {
                continue;
            }
            AccessPoint accessPoint = getCachedOrCreate(config, cachedAccessPoints);
            accessPoint.update(connectionConfig, mLastInfo, mLastNetworkInfo);
            if (mIncludeSaved) {
                // If saved network not present in scan result then set its Rssi to MAX_VALUE
                boolean apFound = false;
                for (ScanResult result : results) {
                    if (result.SSID.equals(accessPoint.getSsidStr())) {
                        apFound = true;
                        break;
                    }
                }
                if (!apFound) {
                    accessPoint.setRssi(Integer.MAX_VALUE);
                }
                accessPoints.add(accessPoint);
                apMap.put(accessPoint.getSsidStr(), accessPoint);
            } else {
                // If we aren't using saved networks, drop them into the cache so that
                // we have access to their saved info.
                cachedAccessPoints.add(accessPoint);
            }
        }
    }
    if (results != null) {
        for (ScanResult result : results) {
            // Ignore hidden and ad-hoc networks.
            if (result.SSID == null || result.SSID.length() == 0 || result.capabilities.contains("[IBSS]")) {
                continue;
            }
            boolean found = false;
            for (AccessPoint accessPoint : apMap.getAll(result.SSID)) {
                if (accessPoint.update(result)) {
                    found = true;
                    break;
                }
            }
            if (!found && mIncludeScans) {
                AccessPoint accessPoint = getCachedOrCreate(result, cachedAccessPoints);
                if (mLastInfo != null && mLastNetworkInfo != null) {
                    accessPoint.update(connectionConfig, mLastInfo, mLastNetworkInfo);
                }
                if (result.isPasspointNetwork()) {
                    // name).
                    try {
                        WifiConfiguration config = mWifiManager.getMatchingWifiConfig(result);
                        if (config != null) {
                            accessPoint.update(config);
                        }
                    } catch (UnsupportedOperationException e) {
                    // Passpoint not supported on the device.
                    }
                }
                accessPoints.add(accessPoint);
                apMap.put(accessPoint.getSsidStr(), accessPoint);
            }
        }
    }
    // Pre-sort accessPoints to speed preference insertion
    Collections.sort(accessPoints);
    // Log accesspoints that were deleted
    if (DBG)
        Log.d(TAG, "------ Dumping SSIDs that were not seen on this scan ------");
    for (AccessPoint prevAccessPoint : mAccessPoints) {
        if (prevAccessPoint.getSsid() == null)
            continue;
        String prevSsid = prevAccessPoint.getSsidStr();
        boolean found = false;
        for (AccessPoint newAccessPoint : accessPoints) {
            if (newAccessPoint.getSsid() != null && newAccessPoint.getSsid().equals(prevSsid)) {
                found = true;
                break;
            }
        }
        if (!found)
            if (DBG)
                Log.d(TAG, "Did not find " + prevSsid + " in this scan");
    }
    if (DBG)
        Log.d(TAG, "---- Done dumping SSIDs that were not seen on this scan ----");
    mAccessPoints = accessPoints;
    mMainHandler.sendEmptyMessage(MainHandler.MSG_ACCESS_POINT_CHANGED);
}

Example 75 with ScanResult

use of android.net.wifi.ScanResult in project android_frameworks_base by crdroidandroid.

the class WifiTracker method fetchScanResults.

private Collection<ScanResult> fetchScanResults() {
    mScanId++;
    final List<ScanResult> newResults = mWifiManager.getScanResults();
    if (newResults == null) {
        return null;
    }
    for (ScanResult newResult : newResults) {
        if (newResult.SSID == null || newResult.SSID.isEmpty()) {
            continue;
        }
        mScanResultCache.put(newResult.BSSID, newResult);
        mSeenBssids.put(newResult.BSSID, mScanId);
    }
    if (mScanId > NUM_SCANS_TO_CONFIRM_AP_LOSS) {
        if (DBG)
            Log.d(TAG, "------ Dumping SSIDs that were expired on this scan ------");
        Integer threshold = mScanId - NUM_SCANS_TO_CONFIRM_AP_LOSS;
        for (Iterator<Map.Entry<String, Integer>> it = mSeenBssids.entrySet().iterator(); it.hasNext(); ) /* nothing */
        {
            Map.Entry<String, Integer> e = it.next();
            if (e.getValue() < threshold) {
                ScanResult result = mScanResultCache.get(e.getKey());
                if (DBG)
                    Log.d(TAG, "Removing " + e.getKey() + ":(" + result.SSID + ")");
                mScanResultCache.remove(e.getKey());
                it.remove();
            }
        }
        if (DBG)
            Log.d(TAG, "---- Done Dumping SSIDs that were expired on this scan ----");
    }
    return mScanResultCache.values();
}