protected override void OnDestroy()
{
if (mlock != null)
{
mlock.Release();
mlock = null;
}
base.OnDestroy();
}
protected override void OnDestroy()
{
//base.OnDestroy();
if (_mlock != null)
{
_mlock.Release();
_mlock = null;
}
base.OnDestroy();
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
global::Xamarin.Forms.Forms.Init(this, bundle);
wifi = (WifiManager)ApplicationContext.GetSystemService(Context.WifiService);
mlock = wifi.CreateMulticastLock("Zeroconf lock");
mlock.Acquire();
SetPage(App.GetMainPage());
}
protected override void OnCreate(Bundle bundle)
{
_wifi = (WifiManager)ApplicationContext.GetSystemService(WifiService);
_mlock = _wifi.CreateMulticastLock("Zeroconf lock");
_mlock.Acquire();
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;
base.SetTheme(Resource.Style.MainTheme);
base.OnCreate(bundle);
CrossFingerprint.SetCurrentActivityResolver(() => this);
Forms.Init(this, bundle);
LoadApplication(new App());
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
wifi = (WifiManager)ApplicationContext.GetSystemService(Context.WifiService);
mlock = wifi.CreateMulticastLock("Zeroconf lock");
mlock.Acquire();
#pragma warning disable CS0618 // Type or member is obsolete
SetPage(App.GetMainPage());
#pragma warning restore CS0618 // Type or member is obsolete
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Devices);
// Create WiFi locks and mDNS scanner
wifi = (WifiManager)ApplicationContext.GetSystemService(Context.WifiService);
mlock = wifi.CreateMulticastLock("Zeroconf Lock");
finder = new MDNSFinder(this);
// Set events
FindViewById <Button>(Resource.Id.btnScanNetwork).Click += (sender, args) => ScanNetwork(false);
FindViewById <ListView>(Resource.Id.lvDevices).ItemClick += lvDevices_ItemClick;
}
private ProtoPadServer(Activity activity, int?overrideListeningPort = null, string overrideBroadcastedAppName = null)
{
_contextActivity = activity;
BroadcastedAppName = overrideBroadcastedAppName ?? String.Format("ProtoPad Service on ANDROID Device {0}", Android.OS.Build.Model);
ListeningPort = overrideListeningPort ?? 8080;
LocalIPAddress = Helpers.GetCurrentIPAddress();
var mainMonodroidAssembly = AppDomain.CurrentDomain.GetAssemblies().FirstOrDefault(a => a.GetName().Name.ToLower() == "mono.android");
var requestHandlers = new Dictionary <string, Func <byte[], string> >
{
{ "GetMainXamarinAssembly", data => mainMonodroidAssembly.FullName },
{ "WhoAreYou", data => "Android" },
{ "ExecuteAssembly", data =>
{
var response = "{}";
var remoteCommandDoneEvent = new AutoResetEvent(false);
_contextActivity.RunOnUiThread(() => Response(data, remoteCommandDoneEvent, ref response));
remoteCommandDoneEvent.WaitOne();
return(response);
} }
};
_httpServer = new SimpleHttpServer(ListeningPort, requestHandlers);
IPAddress broadCastAddress;
using (var wifi = _contextActivity.GetSystemService(Android.Content.Context.WifiService) as WifiManager)
{
try
{
_mcLock = wifi.CreateMulticastLock("ProtoPadLock");
_mcLock.Acquire();
}
catch (Java.Lang.SecurityException e)
{
Debug.WriteLine("Could not optain Multicast lock: {0}. Did you enable CHANGE_WIFI_MULTICAST_STATE permission in your app manifest?", e.Message);
}
broadCastAddress = GetBroadcastAddress(wifi);
}
var inEmulator = Build.Brand.Equals("generic", StringComparison.InvariantCultureIgnoreCase);
_udpServer = new UdpDiscoveryServer(BroadcastedAppName, String.Format("http://{0}:{1}/", inEmulator ? "localhost" : LocalIPAddress.ToString(), inEmulator ? "?" : ListeningPort.ToString()), broadCastAddress);
}
protected override void OnCreate(Bundle savedInstanceState)
{
AppCenter.Start("b17f9c9d-e90c-488f-8c4b-92ef3e305c0d", typeof(Analytics), typeof(Distribute));
WifiManager wifiMgr = (WifiManager)ApplicationContext.GetSystemService(Context.WifiService);
castLock = wifiMgr.CreateMulticastLock("TacControl-udp");
castLock.SetReferenceCounted(true);
castLock.Acquire();
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
Android.Views.Window window = Window;
window.AddFlags(WindowManagerFlags.KeepScreenOn);
window.AddFlags(WindowManagerFlags.Fullscreen);
LoadApplication(new App((action) =>
{
TaskCompletionSource <object> tcs = new TaskCompletionSource <object>();
bool isMain = MainThread.IsMainThread;
RunOnUiThread(() =>
{
try
{
action();
tcs.SetResult(null);
}
catch (Exception ex)
{
tcs.SetException(ex);
}
});
return(tcs.Task);
}));
}
protected override void OnCreate(Bundle bundle)
{
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;
base.OnCreate(bundle);
ZXing.Net.Mobile.Forms.Android.Platform.Init();
ZXing.Mobile.MobileBarcodeScanner.Initialize(Application);
var wifi = (WifiManager)ApplicationContext.GetSystemService(Context.WifiService);
mlock = wifi.CreateMulticastLock("Zeroconf lock");
HtmlLabelRenderer.Initialize();
global::Xamarin.Forms.Forms.Init(this, bundle);
LoadApplication(new App());
}
public GLOSAWiFiService()
{
ServiceEnabled = false;
ServiceAvailable = true;
Connected = false;
_wifiManager = (WifiManager)Application.Context.GetSystemService(Android.Content.Context.WifiService);
if (_wifiManager != null)
{
// Make sure system doesn't save power by disabling WiFi
_wifiManager.CreateWifiLock(Android.Net.WifiMode.Full, "myLockId");
// this is a work around for Android devices that are by default prevented from receiving broadcast messages
WifiManager.MulticastLock loc = _wifiManager.CreateMulticastLock("Log_Tag");
loc.Acquire();
}
_tryingToConnect = false;
}
public UdpHelper(WifiManager manager)
{
mylock = manager.CreateMulticastLock("UDPwifi");
}
protected override void OnCreate(Bundle savedInstanceState)
{
AppCenter.Start("b17f9c9d-e90c-488f-8c4b-92ef3e305c0d", typeof(Analytics), typeof(Distribute));
var versionInfo = Application.Context.ApplicationContext?.PackageManager?.GetPackageInfo(Application.Context.ApplicationContext.PackageName, 0);
//var username = System.Security.Principal.WindowsIdentity.GetCurrent();
SentryXamarin.Init(o =>
{
o.AddXamarinFormsIntegration();
o.Dsn = "https://[email protected]/5390642";
o.Release = $"TacControl@{versionInfo?.VersionName}:{versionInfo?.LongVersionCode}";
o.Environment = //username == "Dedmen-PC\\dedmen" ? "Dev" :
"Alpha";
});
WifiManager wifiMgr = (WifiManager)ApplicationContext.GetSystemService(Context.WifiService);
wifiLock = wifiMgr.CreateWifiLock(WifiMode.Full, "TacControl-udp");
wifiLock.SetReferenceCounted(true);
wifiLock.Acquire();
castLock = wifiMgr.CreateMulticastLock("TacControl-udp");
castLock.SetReferenceCounted(true);
castLock.Acquire();
ConnectivityManager conMgr = (ConnectivityManager)ApplicationContext.GetSystemService(Context.ConnectivityService);
var stuff = conMgr.GetAllNetworks();
var wifiNet = stuff.FirstOrDefault(x => conMgr.GetNetworkInfo(x).Type == ConnectivityType.Wifi);
if (wifiNet != null)
{
var res = conMgr.BindProcessToNetwork(wifiNet);
var info = conMgr.GetNetworkInfo(wifiNet);
var connInfo = wifiMgr.ConnectionInfo;
}
//Networking.ConnectionInfo
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
Android.Views.Window window = Window;
window.AddFlags(WindowManagerFlags.KeepScreenOn);
window.AddFlags(WindowManagerFlags.Fullscreen);
LoadApplication(new App((action) =>
{
TaskCompletionSource <object> tcs = new TaskCompletionSource <object>();
bool isMain = MainThread.IsMainThread;
RunOnUiThread(() =>
{
try
{
action();
tcs.SetResult(null);
}
catch (Exception ex)
{
tcs.SetException(ex);
}
});
return(tcs.Task);
}));
}
protected override void onCreate(Bundle savedInstanceState)
{
base.onCreate(savedInstanceState);
var sv = new ScrollView(this);
var b2 = new Button(this);
{
var ll = new LinearLayout(this);
//ll.setOrientation(LinearLayout.VERTICAL);
sv.addView(ll);
var b1 = new Button(this).AttachTo(ll);
b1.WithText("LANBroadcastListener createMulticastLock");
var c = 0;
b1.AtClick(
v =>
{
// server error { Message = , StackTrace = android.os.NetworkOnMainThreadException
//at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1117)
//at libcore.io.BlockGuardOs.sendto(BlockGuardOs.java:175)
//at libcore.io.IoBridge.sendto(IoBridge.java:473)
//at java.net.PlainDatagramSocketImpl.send(PlainDatagramSocketImpl.java:182)
//at java.net.DatagramSocket.send(DatagramSocket.java:284)
new Thread(
delegate()
{
try
{
var socket = new DatagramSocket(); //construct a datagram socket and binds it to the available port and the localhos
c++;
var b = Encoding.UTF8.GetBytes(c + " hi from jvm!"); //creates a variable b of type byte
var dgram = new DatagramPacket((sbyte[])(object)b, b.Length, InetAddress.getByName("239.1.2.3"), 40404); //sends the packet details, length of the packet,destination address and the port number as parameters to the DatagramPacket
//dgram.setData(b);
//System.Console.WriteLine(
// "Sending " + b.Length + " bytes to " + dgram.getAddress() + ":" + dgram.getPort());//standard error output stream
socket.send(dgram); //send the datagram packet from this port
}
catch (Exception ex)
{
System.Console.WriteLine("server error " + new { ex.Message, ex.StackTrace });
}
}
)
{
Name = "sender"
}.Start();
}
);
b2.setText("The other button!");
ll.addView(b2);
this.setContentView(sv);
}
// http://www.zzzxo.com/q/answers-android-device-not-receiving-multicast-package-13221736.html
new Thread(
delegate()
{
// http://stackoverflow.com/questions/12610415/multicast-receiver-malfunction
// http://answers.unity3d.com/questions/250732/android-build-is-not-receiving-udp-broadcasts.html
// Acquire multicast lock
wifi = (WifiManager)getSystemService(Context.WIFI_SERVICE);
multicastLock = wifi.createMulticastLock("multicastLock");
//multicastLock.setReferenceCounted(true);
multicastLock.acquire();
System.Console.WriteLine("LANBroadcastListener ready...");
try
{
byte[] b = new byte[0x100];
// https://code.google.com/p/android/issues/detail?id=40003
var port = 40404;
MulticastSocket socket = new MulticastSocket(port); // must bind receive side
socket.setBroadcast(true);
socket.setReuseAddress(true);
socket.setTimeToLive(30);
socket.setReceiveBufferSize(0x100);
// https://code.google.com/p/android/issues/detail?id=40003
// http://stackoverflow.com/questions/6550618/multicast-support-on-android-in-hotspot-tethering-mode
// http://www.massapi.com/class/java/net/InetSocketAddress.java.html
// http://www.javadocexamples.com/java/net/MulticastSocket/joinGroup(SocketAddress%20mcastaddr,NetworkInterface%20netIf).html
// http://grokbase.com/t/hadoop/common-issues/117jsjk8d7/jira-created-hadoop-7472-rpc-client-should-deal-with-the-ip-address-changes
var group = InetAddress.getByName("239.1.2.3");
var groupSockAddr = new InetSocketAddress(group, port);
// what lan interfaces do we have?
socket.joinGroup(groupSockAddr,
NetworkInterface.getByName("wlan0")
);
System.Console.WriteLine("LANBroadcastListener joinGroup...");
while (true)
{
DatagramPacket dgram = new DatagramPacket((sbyte[])(object)b, b.Length);
socket.receive(dgram); // blocks until a datagram is received
var bytes = new MemoryStream((byte[])(object)dgram.getData(), 0, dgram.getLength());
var listen = Encoding.UTF8.GetString(bytes.ToArray());
System.Console.WriteLine("Received "
+ dgram.getLength()
+ " bytes from " + dgram.getAddress());
//dgram.setLength(b.Length); // must reset length field!s
}
}
catch
{
System.Console.WriteLine("client error");
}
}
)
{
Name = "client"
}.Start();
}
