/// <summary>
/// GetWifiList
/// </summary>
/// <returns></returns>
public async Task <IList <WifiInfo> > GetWifiList()
{
IList <WifiInfo> networks = new List <WifiInfo>();
try
{
PermissionStatus status = await CrossPermissions.Current.CheckPermissionStatusAsync <LocationPermission>();
if (status != PermissionStatus.Granted)
{
bool shouldShow = await CrossPermissions.Current.ShouldShowRequestPermissionRationaleAsync(Permission.Location);
if (shouldShow)
{
await WifiHelper.DisplayCustomDialog(CrossCurrentActivity.Current.Activity, "Permission needed", "You have to grant location permission to get wifi list!", "OK");
}
status = await CrossPermissions.Current.RequestPermissionAsync <LocationPermission>();
}
if (status == PermissionStatus.Granted)
{
networks = await ScanAndGetNetworks();
}
}
catch (Exception ex)
{
// Something went wrong
System.Diagnostics.Debug.WriteLine($"Error when trying to get wifi list: {ex.Message}");
}
return(networks);
}
/// <summary>
/// OnReceive
/// </summary>
/// <param name="context"></param>
/// <param name="intent"></param>
public override void OnReceive(Context context, Intent intent)
{
IList <ScanResult> foundedNetworks = WifiManager.ScanResults;
WifiNetworks = new List <WifiInfo>();
foreach (ScanResult wifiResult in foundedNetworks)
{
if (string.IsNullOrEmpty(wifiResult.Ssid))
{
continue;
} // hidden network
WifiInfo wifiInfo = WifiHelper.MakeWiFiInfo(wifiResult);
if (!WifiNetworks.Contains(wifiInfo))
{
bool canAdd = true;
foreach (WifiInfo wifi in WifiNetworks)
{
if (wifi.Identity == wifiResult.Bssid)
{
canAdd = false;
break;
}
}
if (canAdd)
{
WifiNetworks.Add(wifiInfo);
}
}
}
WifiListCompletion.TrySetResult(WifiNetworks);
}
