/*コンストラクタ*/
//public void Sample_WifiConnection(Context context)
//{
// wifi = (WifiManager)context.GetSystemService(Context.WifiService);
//}
//IPアドレスの取得
string getIpAddress()
{
WifiConfiguration wifiConfig = new WifiConfiguration();
wifi = (WifiManager)Application.Context.GetSystemService(Context.WifiService);
WifiInfo wifiinfo = (WifiInfo)Application.Context.GetSystemService(Context.WifiService);
//int netId = WifiManager.addNetwork(wifiConfig);
wifi.Disconnect();
//wifi.EnableNetwork(netId, true);
wifi.Reconnect();
int iPAddress = wifiinfo.IpAddress;
//return iPAddress;
int ipAddress_int = wifi.ConnectionInfo.IpAddress;
if (ipAddress_int == 0)
{
ipAddress = null;
}
else
{
ipAddress = (ipAddress_int & 0xFF) + "." + (ipAddress_int >> 8 & 0xFF) + "." + (ipAddress_int >> 16 & 0xFF) + "." + (ipAddress_int >> 24 & 0xFF);
}
return(ipAddress);
}
private void StartAPBtn_Click(object sender, System.EventArgs e)
{
WifiConfiguration config = new WifiConfiguration();
config.HiddenSSID = HideSSID.Checked;
config.Ssid = SSID.Text;
config.AllowedKeyManagement.Set((int)KeyManagementType.WpaPsk);
config.PreSharedKey = Password.Text;
bool result = false;
if (wifiApManager.IsWifiApEnabled())
{
result = wifiApManager.SetWifiApConfiguration(config);
}
else
{
result = wifiApManager.SetWifiApEnabled(config, true);
}
if (result)
{
Toast.MakeText(this, "AP Turned On", ToastLength.Short).Show();
}
else
{
Toast.MakeText(this, "Unable to turn AP on", ToastLength.Short).Show();
}
}
private void WpaOkClicked(object sender, DialogClickEventArgs e)
{
var dialog = (AlertDialog)sender;
var password = (EditText)dialog.FindViewById(Resource.Id.password);
var conf = new WifiConfiguration();
conf.Ssid = "\"" + mSelectedSsid + "\"";
conf.PreSharedKey = "\"" + password.Text + "\"";
var wifiManager = GetSystemService(WifiService).JavaCast <WifiManager>();
int id = wifiManager.AddNetwork(conf);
IList <WifiConfiguration> myWifi = wifiManager.ConfiguredNetworks;
WifiConfiguration wc = myWifi.First(x => x.Ssid.Contains(mSelectedSsid));
wifiManager.Disconnect();
wifiManager.EnableNetwork(wc.NetworkId, true);
wifiManager.Reconnect();
if (wifiManager.IsWifiEnabled)
{
StartActivity(typeof(DataTransferActivity));
}
}
//public void CreateAutoHotspot()
//{
// try
// {
// //if (!_wifiManager.IsWifiEnabled)
// //{
// // OnError?.Invoke(new Exception("Wireless network adapter is disabled"));
// // return;
// //}
// // if WiFi is on, turn it off
// if (IsHotspotEnabled)
// {
// _wifiManager.SetWifiEnabled(false);
// }
// Device.BeginInvokeOnMainThread(() => {
// //_wifimanager.AddOrUpdatePasspointConfiguration(p);
// //var callback = new WifiManager.LocalOnlyHotspotCallback();
// _wifiManager.StartLocalOnlyHotspot(null,
// new Handler((m) =>
// {
// var d = m;
// }));
// });
// //Method setWifiApEnabledMethod = _wifimanager.Class.GetMethod("setWifiApEnabled", wificonfiguration.Class, Java.Lang.Boolean.Type);
// //setWifiApEnabledMethod.Invoke(_wifimanager, wificonfiguration, !IsHotspotEnabled);
// OnLog?.Invoke("LocalOnlyHostSpot has been requested");
// }
// catch (Exception ex)
// {
// OnError?.Invoke(new Exception("HotspotCreator can not create a hotspot network", ex));
// }
//}
public void CreateHotspot(string ssid, string preSharedPassword)
{
WifiConfiguration wificonfiguration = GetWifiApConfiguration();
//wificonfiguration = new WifiConfiguration();
wificonfiguration.HiddenSSID = false;
wificonfiguration.Ssid = ssid;
wificonfiguration.Bssid = ssid;
wificonfiguration.PreSharedKey = preSharedPassword;
SetWifiApConfiguration(wificonfiguration);
//wificonfiguration.
try
{
// if WiFi is on, turn it off
if (IsHotspotEnabled)
{
_wifiManager.SetWifiEnabled(false);
}
//var setWifiApEnabledMethod = _wifimanager.Class.GetMethod("setWifiApEnabled", wificonfiguration.Class, Java.Lang.Boolean.Type);
var setWifiApEnabledMethod = _wifiManager.Class.GetMethods().FirstOrDefault(m => m.Name == "setWifiApEnabled");
setWifiApEnabledMethod.Invoke(_wifiManager, wificonfiguration, true);
OnLog?.Invoke("HostSpot has been created");
}
catch (Exception ex)
{
OnError?.Invoke(new Exception("HotspotCreator can not create a hotspot network", ex));
}
}
private void OnConnectButtonClicked(object sender, EventArgs e)
{
device = (Models.Device)BindingContext;
var wifiManager = (WifiManager)Android.App.Application.Context
.GetSystemService(Context.WifiService);
string ssid = device.Ssid;
string password = device.Password;
var formattedSsid = string.Format("\"{0}\"", ssid);
var formattedPassword = string.Format("\"{0}\"", password);
var wifiConfig = new WifiConfiguration
{
Ssid = formattedSsid,
PreSharedKey = formattedPassword
};
var addNetwork = wifiManager.AddNetwork(wifiConfig);
var network = wifiManager.ConfiguredNetworks
.First(n => n.Ssid == formattedSsid);
if (network == null)
{
label3.Text = "Errore di connessione,riprovare";
}
else
{
wifiManager.Disconnect();
var enableNetwork = wifiManager.EnableNetwork(network.NetworkId, true);
wifiManager.Reconnect();
label3.Text = "Connesso";
}
}
private async Task HandleDesiredPropertyChangeAsync(JToken desiredValue)
{
var desiredConfig = WifiConfiguration.Parse(desiredValue.ToString(), ConfigurationType.Desired);
string connectionString = _connectionString;
await ProcessDesiredWifiConfigurationAsync(connectionString, desiredConfig);
}
public static void ConnectToNework(string SSID, string Key)
{
var WifiConfig = new WifiConfiguration();
WifiConfig.Ssid = string.Format("\"{0}\"", SSID);
WifiConfig.PreSharedKey = string.Format("\"{0}\"", Key);
ToggleWiFi(true);
int NetID;
var Network = WifiMan.ConfiguredNetworks.FirstOrDefault(cn => cn.Ssid == SSID);
if (Network != null)
{
NetID = Network.NetworkId;
}
else
{
NetID = WifiMan.AddNetwork(WifiConfig);
WifiMan.SaveConfiguration();
}
WifiMan.UpdateNetwork(WifiConfig);
var CurrCon = WifiMan.ConnectionInfo;
if (CurrCon != null && CurrCon.NetworkId != NetID)
{
WifiMan.Disconnect();
WifiMan.EnableNetwork(NetID, true);
WifiMan.Reconnect();
}
}
public String connectToWifi(String ssid, String wifiPassword)
{
string result;
WifiConfiguration wifiConfiguration = new WifiConfiguration();
wifiConfiguration.Ssid = string.Format("\"{0}\"", ssid);
wifiConfiguration.PreSharedKey = string.Format("\"{0}\"", wifiPassword);
wifiManager.RemoveNetwork(wifiManager.ConnectionInfo.NetworkId);
this.removeConfigById(wifiManager.ConnectionInfo.NetworkId);
this.removeConfig(string.Format("\"{0}\"", ssid));
this.removeConfig(ssid);
//var wifiManager = (WifiManager)Android.App.Application.Context
// .GetSystemService(Context.WifiService);
string old_ssid = string.Format("\"{0}\"", wifiManager.ConnectionInfo.SSID);
old = wifiManager.ConfiguredNetworks.FirstOrDefault(n => n.Ssid == old_ssid);
int netId = wifiManager.AddNetwork(wifiConfiguration);
wifiManager.Disconnect();
wifiManager.EnableNetwork(netId, true);
wifiManager.Reconnect();
result = wifiManager.ConnectionInfo.SSID;
return(result);
}
public async Task Connect(
string ssid,
string password = null,
bool wep = false,
CancellationToken cancellationToken = default)
{
await Task.Run(() =>
{
var configuration = new WifiConfiguration {
Ssid = $"\"{ssid}\""
};
if (password == null)
{
configuration.AllowedKeyManagement.Set((int)KeyManagementType.None);
}
else if (!wep)
{
configuration.PreSharedKey = $"\"{password}\"";
}
else
{
throw new NotImplementedException("Not going to support WEP right now.");
}
_wifiManager.AddNetwork(configuration);
Reconnect(ssid);
}, cancellationToken);
}
/// <summary>
/// Handles OnClick event for OK-button of password dialog.
/// Tries to connect to the network and start ControllerActivity.
/// </summary>
private void WpaOkClicked(object sender, DialogClickEventArgs e)
{
var dialog = (AlertDialog)sender;
// Get entered password
var password = (EditText)dialog.FindViewById(Resource.Id.etDialogPassword);
var conf = new WifiConfiguration();
conf.Ssid = "\"" + mSelectedSsid + "\"";
conf.PreSharedKey = "\"" + password.Text + "\"";
var wifiManager = GetSystemService(WifiService).JavaCast <WifiManager>();
// Connect network
int id = wifiManager.AddNetwork(conf);
if (id != -1)
{
wifiManager.Disconnect();
wifiManager.EnableNetwork(id, true);
wifiManager.Reconnect();
mLastConnectedPeer = mSelectedSsid;
Intent intent = new Intent(BaseContext, typeof(ControllerActivity));
// intent.PutExtra("isConnected", mIsConnected);
intent.PutExtra("mac", mSelectedBssid);
StartActivity(intent);
//mIsConnected = true;
}
else
{
Toast.MakeText(this, "Could not connect to peer", ToastLength.Short).Show();
}
}
public bool Connect(string ssid, string password)
{
bool ret = false;
try
{
var wifiManager = (WifiManager)Android.App.Application.Context.GetSystemService(Context.WifiService);
var formattedSsid = $"\"{ssid}\"";
var formattedPassword = $"\"{password}\"";
var wifiConfig = new WifiConfiguration
{
Ssid = formattedSsid,
PreSharedKey = formattedPassword
};
var network = wifiManager.ConfiguredNetworks.FirstOrDefault(n => n.Ssid == formattedSsid);
if (network == null)
{
var addNetwork = wifiManager.AddNetwork(wifiConfig);
}
wifiManager.Disconnect();
var enableNetwork = wifiManager.EnableNetwork(network.NetworkId, true);
ret = true;
}
catch (Exception ex) { }
return(ret);
}
/// <summary>
/// 设置WiFi热点状态
/// 如果没有设置那么按默认走
/// </summary>
public static bool SetWifiApEnabled(Context context, bool enabled, WifiapViewModel model)
{
var wifiManager = (WifiManager)context.GetSystemService(Context.WifiService);
WifiConfiguration myConfig;
if (model != null)
{
myConfig = new WifiConfiguration
{
Ssid = model.Ssid,
PreSharedKey = model.PreSharedKey
};
myConfig.AllowedAuthAlgorithms.Set((int)AuthAlgorithmType.Open);
myConfig.AllowedKeyManagement.Set((int)GroupCipherType.Wep40);
}
else
{
var getWifiConfig = wifiManager.Class.GetMethod("getWifiApConfiguration", null);
myConfig = (WifiConfiguration)getWifiConfig.Invoke(wifiManager, null);
var setWifiConfig = wifiManager.Class.GetMethod("setWifiApConfiguration", myConfig.Class);
setWifiConfig.Invoke(wifiManager, myConfig);
}
var enableWifi = wifiManager.Class.GetMethod("setWifiApEnabled", myConfig.Class, Boolean.Type);
return((bool)enableWifi.Invoke(wifiManager, myConfig, enabled));
}
private void finallyConnect(string networkPass, string networkSSID)
{
try
{
using (Android.Net.Wifi.WifiManager wifi = (Android.Net.Wifi.WifiManager)ApplicationContext.GetSystemService(Context.WifiService))
{
if (wifi != null && wifi.IsWifiEnabled)
{
using (WifiConfiguration wifiConfig = new WifiConfiguration())
{
wifiConfig.Ssid = "\"" + networkSSID + "\""; //string.Format("\"%s\"", networkSSID);
wifiConfig.PreSharedKey = "\"" + networkPass + "\""; // string.Format("\"%s\"", networkPass);
int netId = wifi.AddNetwork(wifiConfig);
wifi.Disconnect();
wifi.EnableNetwork(netId, true);
wifi.Reconnect();
using (WifiConfiguration conf = new WifiConfiguration())
{
conf.Ssid = "\"" + networkSSID + "\"";
conf.PreSharedKey = "\"" + networkPass + "\"";
wifi.AddNetwork(conf);
}
}
}
}
}
catch
{
}
}
public void ConnectToWifi(string ssid, string password)
{
var wifiManager = (WifiManager)Android.App.Application.Context
.GetSystemService(Context.WifiService);
var formattedSsid = $"\"{ssid}\"";
var formattedPassword = $"\"{password}\"";
wifiManager.SetWifiEnabled(true);
var wifiConfig = new WifiConfiguration
{
Ssid = formattedSsid,
PreSharedKey = formattedPassword
};
var addNetwork = wifiManager.AddNetwork(wifiConfig);
//var network = wifiManager.ConfiguredNetworks
// .FirstOrDefault(n => n.Ssid == ssid);
//if (network == null)
//{
// Console.WriteLine($"Cannot connect to network: {ssid}");
// return;
//}
wifiManager.Disconnect();
var enableNetwork = wifiManager.EnableNetwork(addNetwork, true);
}
private void WepOkClicked(object sender, DialogClickEventArgs e)
{
var dialog = (AlertDialog)sender;
var password = (EditText)dialog.FindViewById(Resource.Id.password);
var conf = new WifiConfiguration();
conf.Ssid = "\"" + mSelectedSsid + "\"";
conf.WepKeys[0] = "\"" + password + "\"";
conf.WepTxKeyIndex = 0;
conf.AllowedKeyManagement.Set((int)KeyManagementType.None);
conf.AllowedPairwiseCiphers.Set((int)GroupCipherType.Wep40);
var wifiManager = GetSystemService(WifiService).JavaCast <WifiManager>();
wifiManager.AddNetwork(conf);
WifiP2pDevice wifi = new WifiP2pDevice();
foreach (var network in wifiManager.ConfiguredNetworks.Where(n => n.Ssid.Contains(mSelectedSsid)))
{
wifiManager.Disconnect();
wifiManager.EnableNetwork(network.NetworkId, true);
wifiManager.Reconnect();
}
}
/// <summary>
/// Get the WiFi network details in a simple json format
/// </summary>
/// <param name="context">An Android context, eg. the main activity</param>
/// <returns>A string containing the WiFi network detail in a JSON format</returns>
public static string WifiHandshake(Context context)
{
WifiManager wifiManager = (WifiManager)context.GetSystemService(Context.WifiService);
ConnectivityManager connectivityManager = (ConnectivityManager)context.GetSystemService(Context.ConnectivityService);
NetworkInfo networkInfo = connectivityManager.ActiveNetworkInfo;
bool isRegularWifi = networkInfo.Type == ConnectivityType.Wifi;
if (isRegularWifi)
{
int ip = wifiManager.ConnectionInfo.IpAddress;
IPAddress address = new IPAddress(BitConverter.GetBytes(ip));
String ipString = address.ToString();
String SSID = wifiManager.ConnectionInfo.SSID;
return("{\"wifi\": true, \"ssid\": " + SSID + ",\"ip\": \"" + ipString + "\"}");
}
else
{
// might be WiFi AP (hotspot). Let's check with this awful non-public API that might be removed in a later version
Method isWifiApEnabled = wifiManager.Class.GetMethod("isWifiApEnabled");
if ((Boolean)isWifiApEnabled.Invoke(wifiManager))
{
// Yep. We're the AP, send over the SSID
Method getWifiApConfiguration = wifiManager.Class.GetMethod("getWifiApConfiguration");
WifiConfiguration config = (WifiConfiguration)getWifiApConfiguration.Invoke(wifiManager);
return("{\"wifi\": true, \"ssid\": \"" + config.Ssid + "\",\"ip\": \"unknown\"}");
}
else
{
return("{\"wifi\": false}");
}
}
}
public void Connect(string ssid, string passphrase = null)
{
var conf = new WifiConfiguration
{
Ssid = $"\"{ssid}\""
};
// very important for unprotected networks otherwise connection doesn't go on
if (passphrase == null)
{
conf.AllowedKeyManagement.Set((int)KeyManagementType.None);
}
else
{
conf.AllowedKeyManagement.Set((int)KeyManagementType.WpaPsk);
conf.PreSharedKey = $"\"{passphrase}\"";
}
var netId = Wifi.AddNetwork(conf);
currentNetwork = Wifi.ConnectionInfo.NetworkId;
Wifi.Disconnect();
var connected = Wifi.EnableNetwork(netId, true);
if (connected)
{
Wifi.Reconnect();
}
}
public async Task <WiFiInfo> ConnectPreferredWifi()
{
WiFiInfo w = null;
var wifiMgr = (WifiManager)context.GetSystemService(Context.WifiService);
var formattedSsid = $"\"{preferredWifi}\"";
var formattedPassword = $"\"{prefferedWifiPassword}\"";
bool wifiEnabled = await SetWifiOn();
if (wifiEnabled)
{
w = await GetConnectedWifi(true);
if (w == null || w.SSID != formattedSsid)
{
//no wifi is connected or other wifi is connected
if (Android.OS.Build.VERSION.SdkInt >= BuildVersionCodes.Q)
{
//Android 10 and later
//string bssid = await GetBestBSSID();
string status = await SuggestNetwork();
w = await GetConnectedWifi(true);
}
else
{
//Android 9 and earlier
var wifiConfig = new WifiConfiguration
{
Ssid = formattedSsid,
PreSharedKey = formattedPassword
};
var addNetwork = wifiMgr.AddNetwork(wifiConfig);
var network = wifiMgr.ConfiguredNetworks.FirstOrDefault(n => n.Ssid == formattedSsid);
if (network == null)
{
w = null;
}
else
{
if (w.SSID != formattedSsid && w.SSID != "<unknown ssid>")
{
wifiMgr.Disconnect();
}
var enableNetwork = wifiMgr.EnableNetwork(network.NetworkId, true);
wifiMgr.Reconnect();
}
}
throw new NoPreferredConnectionException();
}
}
else
{
throw new WifiTurnedOffException();
}
return(w);
}
private void OnConnetti4ButtonClicked(object sender, EventArgs e)
{
Models.Device device = (Models.Device)BindingContext;
WifiConfiguration conf = new WifiConfiguration();
WifiManager wifiManager = (WifiManager)Android.App.Application.Context
.GetSystemService(Context.WifiService);
conf.Ssid = string.Format("\"{0}\"", device.Ssid);
conf.PreSharedKey = string.Format("\"{0}\"", device.WifiPwd);
IList <WifiConfiguration> wifiConfigurationList = wifiManager.ConfiguredNetworks;
foreach (WifiConfiguration removeConfig in wifiConfigurationList)
{
if (removeConfig.Ssid.Equals(conf.Ssid))
{
wifiManager.RemoveNetwork(removeConfig.NetworkId);
break;
}
}
int netId = wifiManager.AddNetwork(conf);
test_4.Text = Convert.ToString(wifiManager.ConnectionInfo.NetworkId);
//wifiManager.DisableNetwork(wifiManager.ConnectionInfo.NetworkId);
wifiManager.EnableNetwork(netId, true);
}
public void ConnectToWifi(string ssid, string password)
{
var wifiManager = (WifiManager)Android.App.Application.Context.GetSystemService(Context.WifiService);
var formattedSsid = $"\"{ssid}\"";
var formattedPassword = $"\"{password}\"";
var wifiConfig = new WifiConfiguration
{
Ssid = formattedSsid,
PreSharedKey = formattedPassword
};
var addNetwork = wifiManager.AddNetwork(wifiConfig);
var network = wifiManager.ConfiguredNetworks
.FirstOrDefault(n => n.Ssid == $"\"{ssid}\"");
if (network == null)
{
throw new Exception($"Não foi possível conectar a rede: {ssid}");
}
wifiManager.Disconnect();
var enableNetwork = wifiManager.EnableNetwork(network.NetworkId, true);
wifiManager.Reconnect();
}
public async void ConnectToWifi(string ssid, string password)
{
if (Android.OS.Build.VERSION.SdkInt < Android.OS.BuildVersionCodes.Q)
{
var formattedSsid = $"\"{ssid}\"";
var formattedPassword = $"\"{password}\"";
var wifiConfig = new WifiConfiguration
{
Ssid = formattedSsid,
PreSharedKey = formattedPassword
};
var wifiManager = (WifiManager)Android.App.Application.Context
.GetSystemService(Context.WifiService);
var addNetwork = wifiManager.AddNetwork(wifiConfig);
var network = new WifiConfiguration();
IList <Android.Net.Wifi.WifiConfiguration> networks = wifiManager.ConfiguredNetworks.ToList <WifiConfiguration>();
foreach (var n in networks)
{
Console.WriteLine($"Config Networks: {n.Bssid}");
if (n.Ssid == formattedSsid)
{
network = n;
}
}
if (network == null)
{
Console.WriteLine($"Cannot connect to network: {ssid}");
return;
}
wifiManager.Disconnect();
var enableNetwork = wifiManager.EnableNetwork(network.NetworkId, true);
wifiManager.Reconnect();
await Application.Current.MainPage.DisplayAlert("Failed to connect", ssid, "OK");
}
else
{
WifiNetworkSpecifier.Builder builder = new WifiNetworkSpecifier.Builder();
WifiNetworkSpecifier networkSpecifier = builder
.SetSsid(ssid)
.SetWpa2Passphrase(password)
.Build();
NetworkRequest.Builder networkRequest = new NetworkRequest.Builder();
networkRequest
.SetNetworkSpecifier(networkSpecifier)
.Build();
ConnectivityManager connectivityManager = (ConnectivityManager)Android.App.Application.Context.GetSystemService(Context.ConnectivityService);
NetworkCallback networkCallback = new NetworkCallback(connectivityManager);
}
}
public override void OnReceive(Context context, Intent intent)
{
string action = intent.Action;
const string ssid = "\"sound_reactive\"";
const string password = "******"password\"";
if (WifiManager.ScanResultsAvailableAction.Equals(action))
{
List <ScanResult> wifiList = wifiManager
.ScanResults.ToList();
WifiConfiguration network = wifiList
.Where(x => x.Ssid.Equals("sound_reactive"))
.Select(x => new WifiConfiguration()
{
Ssid = "sound_reactive"
})
.FirstOrDefault();
if (network != null)
{
network.PreSharedKey = password;
network.Ssid = ssid;
wifiList.ForEach(x => {
if (x.Ssid != "sound_reactive")
{
WifiConfiguration wifi =
new WifiConfiguration()
{
Ssid = x.Ssid
};
wifiManager.DisableNetwork(wifi.NetworkId);
}
});
wifiManager.EnableNetwork(network.NetworkId, true);
if (wifiManager.Reconnect())
{
Intent redirectToMainControl =
new Intent(context, typeof(MainControlActivity));
context.StartActivity(redirectToMainControl);
}
}
else
{
AlertDialog.Builder builder =
new AlertDialog.Builder(context);
builder.SetMessage("Not found");
AlertDialog alert = builder.Create();
alert.Show();
}
}
context.UnregisterReceiver(this);
}
private void Connect(string SSID, string sharedKey)
{
// return early
if (_tryingToConnect == true)
{
return;
}
try
{
_tryingToConnect = true;
if (_wifiManager != null)
{
// if already connected then no need to connect
if (_wifiManager.ConnectionInfo != null && _wifiManager.ConnectionInfo.SSID == SSID)
{
Connected = true;
}
else
{
WifiConfiguration wifiConfig = new WifiConfiguration();
wifiConfig.Ssid = String.Format("\"{0}\"", SSID);
wifiConfig.PreSharedKey = String.Format("\"{0}\"", sharedKey);
// Get or add network to known list.
int netId = GetOrAddNetworkId(SSID, wifiConfig);
// Make sure network hasn't changed
_wifiManager.UpdateNetwork(wifiConfig);
// if connected and not connected to network needed then disconnect and reconnect
if (_wifiManager.ConnectionInfo != null && _wifiManager.ConnectionInfo.NetworkId != netId)
{
_wifiManager.Disconnect();
_wifiManager.EnableNetwork(netId, true);
_wifiManager.Reconnect();
}
if (_wifiManager.ConnectionInfo != null && _wifiManager.ConnectionInfo.SSID == SSID && _wifiManager.ConnectionInfo.SupplicantState == SupplicantState.Completed)
{
Connected = true;
}
else
{
Connected = false;
}
}
}
}
catch (Exception exception)
{
Connected = false;
}
finally
{
_tryingToConnect = false;
}
}
public async Task <bool> ConnectToWifi(WifiCredentials credentials)
{
if (credentials == null)
{
throw new ArgumentNullException(nameof(credentials));
}
var tcs = new TaskCompletionSource <bool>();
#pragma warning disable 4014
Task.Run(async() =>
{
try
{
var wifiConfig = new WifiConfiguration
{
Ssid = $"\"{credentials.Ssid}\"",
PreSharedKey = $"\"{credentials.Pwd}\""
};
WifiManager wifiManager = (WifiManager)_context.GetSystemService(Context.WifiService);
// Use ID
int netId = wifiManager.AddNetwork(wifiConfig);
wifiManager.Disconnect();
await Task.Delay(1000);
int disconnectedIp = wifiManager.ConnectionInfo?.IpAddress ?? 0;
int currentIp = disconnectedIp;
wifiManager.EnableNetwork(netId, true);
wifiManager.Reconnect();
for (int i = 0; i < 100; i++)
{
currentIp = wifiManager.ConnectionInfo?.IpAddress ?? 0;
if (currentIp != disconnectedIp)
{
await Task.Delay(1000);
break;
}
else
{
await Task.Delay(250);
}
}
tcs.SetResult(currentIp != disconnectedIp);
}
catch (Exception e)
{
Debug.WriteLine(e.ToString());
Debugger.Break();
tcs.SetResult(false);
}
});
#pragma warning restore 4014
return(await tcs.Task);
}
public void ConnectToWifi(string ssid, string password)
{
var formattedSsid = $"\"{ssid}\"";
var formattedPassword = $"\"{password}\"";
var wifiConfig = new WifiConfiguration
{
Ssid = formattedSsid,
PreSharedKey = formattedPassword
};
try
{
var addNetwork = _wifiManager.AddNetwork(wifiConfig);
}
catch (Exception ex)
{
OnError?.Invoke(new Exception("WifiConnector can not add the new wifi network configuration", ex));
}
WifiConfiguration network = null;
try
{
network = _wifiManager.ConfiguredNetworks
.FirstOrDefault(n => n.Ssid == formattedSsid);
if (network == null)
{
OnError?.Invoke(new Exception("WifiConnector can not connect to the specified wifi network"));
return;
}
}
catch (Exception ex)
{
OnError?.Invoke(new Exception("WifiConnector can not get the list of configured wifi networks", ex));
return;
}
try
{
_wifiManager.Disconnect();
var enableNetwork = _wifiManager.EnableNetwork(network.NetworkId, true);
if (enableNetwork && _wifiManager.ConnectionInfo != null && _wifiManager.ConnectionInfo.SSID.Equals(formattedSsid))
{
OnLog?.Invoke("WiFi network has been connected");
}
else
{
OnError?.Invoke(new Exception("Te specified wifi network does not exist"));
}
}
catch (Exception ex)
{
OnError?.Invoke(new Exception("Activating the connection to the configured wifi network failed", ex));
}
}
public void ToggleWifiHotspot(bool On)
{
Method[] methods = _manager.Class.GetDeclaredMethods();
Boolean enabled = false;
foreach (Method method in methods)
{
if (method.Name.Equals("isWifiEnabled"))
{
enabled = (Boolean)method.Invoke(_manager);
}
if (method.Name.Equals("getWifiApConfiguration"))
{
try {
config = (WifiConfiguration)method.Invoke(_manager, null);
config.Ssid = "liteshare";
config.PreSharedKey = GenerateRandomPassword(8);
} catch (Exception e) {
Log.Error("WifiServiceImplementation", "Error chagning network settings\n" + e.Message);
}
}
}
// if hotspot is not enabled and the method received True, turn on hotspot
if (On && !enabled)
{
foreach (Method method in methods)
{
if (method.Equals("setWifiApEnabled"))
{
try {
method.Invoke(_manager, config, true);
} catch (Exception e) {
Log.Info("WifiServiceImplementation", "Error turning hotspot on\n" + e.Message);
}
}
}
}
// if hotspot is enabled and the method received False, turn off hotspot
else if (!On && enabled)
{
foreach (Method method in methods)
{
if (method.Name.Equals("setWifiApEnabled"))
{
try {
method.Invoke(_manager, config, false);
} catch (Exception e) {
Log.Info("WifiServiceImplementaion", "Error turning hotspot off\n" + e.Message);
}
}
}
}
}
public void Connect(Models.WifiDescriptor descriptor, string passPhrase)
{
WifiConfiguration wifiConfig = new WifiConfiguration
{
Ssid = $"\"{descriptor.Ssid}\"",
PreSharedKey = $"\"{passPhrase}\""
};
try
{
this._wifiManager.AddNetwork(wifiConfig);
}
catch (Exception ex)
{
throw new WifiException("WifiConnector can not add the new wifi network configuration", ex);
}
WifiConfiguration network = null;
try
{
network = this._wifiManager.ConfiguredNetworks
.FirstOrDefault(n => n.Ssid == wifiConfig.Ssid);
if (network == null)
{
throw new WifiException("WifiConnector can not connect to the specified wifi network");
}
}
catch (Exception ex)
{
throw new WifiException("WifiConnector can not get the list of configured wifi networks", ex);
}
try
{
this._wifiManager.Disconnect();
bool networkEnabled = _wifiManager.EnableNetwork(network.NetworkId, true);
if (this.VerifyConnectivity(wifiConfig.Ssid, networkEnabled))
{
OnConnected?.Invoke(this, EventArgs.Empty);
}
else
{
throw new WifiException("The specified wifi network does not exist");
}
}
catch (Exception ex)
{
throw new WifiException("Activating the connection to the configured wifi network failed", ex);
}
}
private void SetWifiApConfiguration(WifiConfiguration wifiConfig)
{
try
{
var method = _wifiManager.Class.GetMethod("setWifiApConfiguration", Class.FromType(typeof(WifiConfiguration)));
method.Invoke(_wifiManager, wifiConfig);
}
catch (Exception ex)
{
throw new Exception("HotspotCreator can not configure a hotspot network", ex);
}
}
public void ConnectToWifi()
{
var config = new WifiConfiguration();
config.Ssid = '"' + _wifiSsid + '"';
config.PreSharedKey = '"' + _wifiPassword + '"';
int id = _wifiManager.AddNetwork(config);
_wifiManager.Disconnect();
_wifiManager.EnableNetwork(id, true);
_wifiManager.Reconnect();
}
/// <summary>
/// Sets the Wi-Fi AP Configuration
/// </summary>
/// <param name="wifiConfig">The <see cref="WifiConfiguration"/></param>
/// <returns><code>true</code> if the operation succeeded, <code>false</code> otherwise</returns>
public bool SetWifiApConfiguration(WifiConfiguration wifiConfig)
{
try
{
Method method = wifiManager.Class.GetMethod("setWifiApConfiguration", Class.FromType(typeof(WifiConfiguration)));
return((bool)method.Invoke(wifiManager, wifiConfig));
}
catch (System.Exception ex)
{
Log.Error(nameof(WifiApManager), "", ex);
return(false);
}
}
