private void ClearWifiNetworksCollection()
{
if (NumberOfDetectedAccessPoints != 0)
{
DetectedWifiNetworks.Clear();
ListOfWifiNetworks.Clear();
NumberOfDetectedAccessPoints = 0;
CurrentWifiNetworkName = "-";
CurrentWifiNetworkSpeed = 0;
CurrentWifiNetworkIP = 0;
CurrentWifiNetworkIPText = "-";
Toast.MakeText(Android.App.Application.Context, "List of wifi networks has been cleared successfully.", ToastLength.Short).Show();
}
}
private void GetWifiNetworks()
{
if (!IsScanning)
{
if (RefreshTime < 10)
{
Toast.MakeText(Android.App.Application.Context, "You have to set refresh time first!", ToastLength.Short).Show();
}
else
{
IsScanning = true;
Toast.MakeText(Android.App.Application.Context, "Scanning has been started!", ToastLength.Short).Show();
var locator = CrossGeolocator.Current;
locator.DesiredAccuracy = 5;
var startTimeSpan = TimeSpan.Zero;
var periodTimeSpan = TimeSpan.FromSeconds(RefreshTime);
timer = new Timer(async(e) =>
{
ListOfWifiNetworks.Clear();
wifiManager = (WifiManager)context.GetSystemService(Context.WifiService);
await locator.StartListeningAsync(TimeSpan.FromSeconds(1), 0.01, false, null);
var position = await locator.GetPositionAsync(TimeSpan.FromSeconds(20), null, true);
if (wifiManager.ConnectionInfo.NetworkId != -1 && wifiManager.ConnectionInfo.SSID != "UNKNOWNSSID")
{
CurrentWifiNetworkName = wifiManager.ConnectionInfo.SSID;
CurrentWifiNetworkIP = wifiManager.ConnectionInfo.IpAddress;
CurrentWifiNetworkIPText = Android.Text.Format.Formatter.FormatIpAddress(CurrentWifiNetworkIP);
CurrentWifiNetworkSpeed = wifiManager.ConnectionInfo.LinkSpeed;
}
else
{
CurrentWifiNetworkName = "-";
CurrentWifiNetworkIPText = "-";
CurrentWifiNetworkSpeed = 0;
}
Latitude = position.Latitude;
Longitude = position.Longitude;
wifiReceiver = new WifiReceiver();
context.RegisterReceiver(wifiReceiver, new IntentFilter(WifiManager.ScanResultsAvailableAction));
IsBusy = true;
wifiManager.StartScan();
CollectionofNetworksArrived.WaitOne();
context.UnregisterReceiver(wifiReceiver);
if (ListOfWifiNetworks.Count > 0)
{
DetectedWifiNetworks.Clear();
foreach (var item in ListOfWifiNetworks)
{
DetectedWifiNetworks.Add(item);
}
}
CollectionofNetworksArrived.Reset();
IsBusy = false;
if (AutoSaveToDatabase)
{
Device.BeginInvokeOnMainThread(async() =>
{
await SaveListToDatabase();
});
}
if (AutoSaveToFile)
{
Device.BeginInvokeOnMainThread(() =>
{
SaveListToFile();
});
}
NumberOfDetectedAccessPoints = DetectedWifiNetworks.Count;
await locator.StopListeningAsync();
}, null, startTimeSpan, periodTimeSpan);
}
}
else
{
Toast.MakeText(Android.App.Application.Context, "Scanning has already started!", ToastLength.Short).Show();
}
}
