/**
* http://developer.android.com/training/monitoring-device-state/connectivity-monitoring.html
* http://developer.android.com/training/basics/network-ops/managing.html
*
* @param context
* @return
*/
public static boolean isNetworkAvailable(final Context context, final boolean mobile) {
boolean available = false;
try {
final ConnectivityManager connectivitymanager =
(ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
final NetworkInfo networkinfo = connectivitymanager.getActiveNetworkInfo();
if ((networkinfo != null) && networkinfo.isConnectedOrConnecting()) {
switch (networkinfo.getType()) {
case ConnectivityManager.TYPE_WIFI:
case ConnectivityManager.TYPE_WIMAX:
case ConnectivityManager.TYPE_ETHERNET:
available = true;
break;
case ConnectivityManager.TYPE_MOBILE:
if (mobile) {
available = true;
}
break;
}
}
} catch (Throwable x) {
DBG.m(x);
}
return available;
}
public void run() {
int i,
j,
storedValues,
sleepTime = 3000,
timeoutCtr = 0,
lastFlags = -1,
trackCnt = 0,
lastLocMethod = -5;
String bssid;
WMapEntry currEntry;
DataOutputStream out;
FileInputStream in;
while (running) {
try {
if (scanData.getNoGPSExitInterval() > 0) {
if (System.currentTimeMillis() > lastGPSTime + scanData.getNoGPSExitInterval()) {
break;
}
}
if (ScanService.scanData.getThreadMode() == OWMapAtAndroid.THREAD_MODE_UPLOAD) {
if ((m_uploadThread != null) && (m_uploadThread.isUploading()))
OWMapAtAndroid.sendMessage(
ScannerHandler.MSG_SIMPLE_ALERT,
0,
0,
getResources().getText(R.string.upload_in_progress));
else m_uploadThread = new UploadThread(scanData, this, SP, false, notification, null);
ScanService.scanData.setThreadMode(OWMapAtAndroid.THREAD_MODE_SCAN);
} else {
if ((posState == 0) && (scanData != null) && (scanData.isScanningEnabled())) {
posState = 1;
timeoutCtr = 0;
if (scanData.getFlags() != lastFlags) {
if ((scanData.getFlags() & OWMapAtAndroid.FLAG_NO_NET_ACCESS) == 0)
scanData.getWifiManager().createWifiLock(WifiManager.WIFI_MODE_FULL, "OpenWLANMap");
else
scanData
.getWifiManager()
.createWifiLock(WifiManager.WIFI_MODE_SCAN_ONLY, "OpenWLANMap");
lastFlags = scanData.getFlags();
}
if ((scanData.getFlags() & OWMapAtAndroid.FLAG_NO_NET_ACCESS) == 0)
myWLocate.wloc_request_position(WLocate.FLAG_NO_IP_LOCATION);
else {
myWLocate.wloc_request_position(
WLocate.FLAG_NO_NET_ACCESS | WLocate.FLAG_NO_IP_LOCATION);
// stopGoogleLocation();
}
} else if (!scanData.isScanningEnabled()) {
try {
trackCnt += 1500;
Thread.sleep(1500);
} catch (InterruptedException ie) {
}
}
if (posState == 1) {
// sleep while waiting for result
try {
trackCnt += 2500;
java.lang.Thread.sleep(2500); // is interrupted from result handler
timeoutCtr++;
if (timeoutCtr > 3) {
timeoutCtr = 0;
posState = 0;
}
} catch (InterruptedException ie) {
}
}
if ((posState == 2) || (posState == 100)) {
loc_info locationInfo;
NetworkInfo mWifi = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
locationInfo = myWLocate.last_location_info();
if (lastLocMethod != locationInfo.lastLocMethod) {
scanData.getmView().setMode(locationInfo.lastLocMethod);
scanData.getmView().postInvalidate();
lastLocMethod = locationInfo.lastLocMethod;
}
if (posState == 100) locationInfo.lastLocMethod = -1;
OWMapAtAndroid.sendMessage(
OWMapAtAndroid.ScannerHandler.MSG_UPD_LOC_STATE,
(int) (lastRadius * 1000),
locationInfo.lastLocMethod,
locationInfo);
if (SP.getBoolean("autoConnect", false)) {
if (!mWifi.isConnected()) {
for (i = 0; i < locationInfo.wifiScanResult.size(); i++) {
ScanResult result;
result = locationInfo.wifiScanResult.get(i);
result.capabilities = result.capabilities.toUpperCase(Locale.US);
if ((isFreeHotspot(result) & WMapEntry.FLAG_IS_FREIFUNK) != 0) {
// auto-connect to this open network
WifiConfiguration wifiConfig = new WifiConfiguration();
wifiConfig.BSSID = result.BSSID;
wifiConfig.priority = 1;
wifiConfig.allowedKeyManagement.set(KeyMgmt.NONE);
wifiConfig.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
wifiConfig.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);
wifiConfig.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
wifiConfig.status = WifiConfiguration.Status.ENABLED;
int netId = scanData.getWifiManager().addNetwork(wifiConfig);
scanData.getWifiManager().enableNetwork(netId, true);
}
}
}
}
if ((posValid)
&& (locationInfo.wifiScanResult != null)
&& (locationInfo.wifiScanResult.size() > 0)) {
boolean foundExisting;
for (i = 0; i < locationInfo.wifiScanResult.size(); i++) {
ScanResult result;
result = locationInfo.wifiScanResult.get(i);
bssid = result.BSSID.replace(":", "").replace(".", "").toUpperCase(Locale.US);
if (bssid.equalsIgnoreCase("000000000000")) break;
foundExisting = false;
scanData.getLock().lock();
for (j = 0; j < scanData.getWmapList().size(); j++) {
currEntry = scanData.getWmapList().elementAt(j);
if (currEntry.getBSSID().equalsIgnoreCase(bssid)) {
currEntry.setPos(lastLat, lastLon);
foundExisting = true;
break;
}
}
if (!foundExisting) {
String lowerSSID;
storedValues = scanData.incStoredValues();
scanData.getmView().setValue(storedValues);
scanData.getmView().postInvalidate();
currEntry = new WMapEntry(bssid, result.SSID, lastLat, lastLon, storedValues);
lowerSSID = result.SSID.toLowerCase(Locale.US);
if ((lowerSSID.endsWith("_nomap"))
|| // Google unsubscibe option
(lowerSSID.contains("iphone"))
|| // mobile AP
(lowerSSID.contains("android"))
|| // mobile AP
(lowerSSID.contains("motorola"))
|| // mobile AP
(lowerSSID.contains("deinbus.de"))
|| // WLAN network on board of German bus
(lowerSSID.contains("fernbus"))
|| // WLAN network on board of German bus
(lowerSSID.contains("flixbus"))
|| // WLAN network on board of German bus
(lowerSSID.contains("ecolines"))
|| // WLAN network on board of German bus
(lowerSSID.contains("eurolines_wifi"))
|| // WLAN network on board of German bus
(lowerSSID.contains("contiki-wifi"))
|| // WLAN network on board of bus
(lowerSSID.contains("guest@ms "))
|| // WLAN network on Hurtigruten ships
(lowerSSID.contains("admin@ms "))
|| // WLAN network on Hurtigruten ships
(lowerSSID.contains("nsb_interakti"))
|| // WLAN network in NSB trains
(lowerSSID.equals("southwestwifi"))) // WLAN network on Southwest flights
currEntry.setFlags(currEntry.getFlags() | WMapEntry.FLAG_IS_NOMAP);
else currEntry.setFlags(currEntry.getFlags() | isFreeHotspot(result));
if (isFreeHotspot(currEntry.getFlags())) scanData.incFreeHotspotWLANs();
scanData.getWmapList().add(currEntry);
if ((scanData.getUploadThres() > 0)
&& (storedValues > scanData.getUploadThres())) {
if ((m_uploadThread == null) || (!m_uploadThread.isUploading())) {
if (mWifi.isConnected()) {
m_uploadThread =
new UploadThread(scanData, this, SP, true, notification, mWifi);
}
}
}
}
result.capabilities = result.capabilities.toUpperCase(Locale.US);
scanData.getLock().unlock();
}
}
scanData.getLock().lock();
for (j = 0; j < scanData.getWmapList().size(); j++) {
currEntry = scanData.getWmapList().elementAt(j);
if ((currEntry.getLastUpdate() + OWMapAtAndroid.RECV_TIMEOUT
< System.currentTimeMillis())
&& ((currEntry.getFlags() & WMapEntry.FLAG_IS_VISIBLE) == 0)) {
scanData.getWmapList().remove(j);
if (currEntry.posIsValid()) {
int padBytes = 0, k;
try {
in = scanData.getCtx().openFileInput(OWMapAtAndroid.WSCAN_FILE);
padBytes = in.available() % 28;
in.close();
if (padBytes > 0) padBytes = 28 - padBytes;
} catch (IOException ioe) {
ioe.printStackTrace();
}
try {
out =
new DataOutputStream(
scanData
.getCtx()
.openFileOutput(
OWMapAtAndroid.WSCAN_FILE,
Context.MODE_PRIVATE | Context.MODE_APPEND));
if (padBytes > 0) for (k = 0; k < padBytes; k++) out.writeByte(0);
out.write(currEntry.getBSSID().getBytes(), 0, 12);
if ((currEntry.getFlags() & WMapEntry.FLAG_IS_NOMAP) != 0) {
out.writeDouble(0.0);
out.writeDouble(0.0);
} else {
out.writeDouble(currEntry.getLat());
out.writeDouble(currEntry.getLon());
}
out.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
if ((currEntry.getFlags()
& (WMapEntry.FLAG_IS_FREIFUNK | WMapEntry.FLAG_IS_NOMAP))
== WMapEntry.FLAG_IS_FREIFUNK) {
padBytes = 0;
try {
in = scanData.getCtx().openFileInput(OWMapAtAndroid.WFREI_FILE);
padBytes = in.available() % 12;
in.close();
if (padBytes > 0) padBytes = 12 - padBytes;
} catch (IOException ioe) {
ioe.printStackTrace();
}
try {
out =
new DataOutputStream(
scanData
.getCtx()
.openFileOutput(
OWMapAtAndroid.WFREI_FILE,
Context.MODE_PRIVATE | Context.MODE_APPEND));
if (padBytes > 0) for (k = 0; k < padBytes; k++) out.writeByte(0);
out.write(currEntry.getBSSID().getBytes(), 0, 12);
out.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}
}
// flushData(false);
}
scanData.getLock().unlock();
m_lastSpeed = locationInfo.lastSpeed;
if (!SP.getBoolean("adaptiveScanning", true)) sleepTime = 500;
else if (locationInfo.lastSpeed > 90) sleepTime = 350;
else if (locationInfo.lastSpeed < 0)
sleepTime = 1300; // no speed information, may be because of WLAN localisation
else if (locationInfo.lastSpeed < 6) sleepTime = 2500; // user seems to walk
else {
double f;
f = 1.0 - (locationInfo.lastSpeed / 90.0);
sleepTime = (int) ((1000.0 * f) + 350);
}
try {
trackCnt += sleepTime;
java.lang.Thread.sleep(sleepTime); // sleep between scans
} catch (InterruptedException ie) {
}
posState = 0;
}
}
} catch (NullPointerException npe) // in case the parent activity dies too fast
{
npe.printStackTrace();
}
if ((trackCnt > 500000) && (lastLat != 0) && (lastLon != 0)) {
if (SP.getBoolean("track", false)) new UploadPositionTask().execute(null, null, null);
trackCnt = 0;
}
}
onDestroy(); // remove all resources (in case the thread was stopped due to some other reason
}