setAction() public méthode

public setAction ( java arg0 ) : global::android.content.Intent
arg0 java
Résultat global::android.content.Intent
        // http://stackoverflow.com/questions/6274141/trigger-background-service-at-a-specific-time-in-android
        // http://stackoverflow.com/questions/7144908/how-is-an-intent-service-declared-in-the-android-manifest
        // http://developer.android.com/guide/topics/manifest/service-element.html


        protected override void onCreate(global::android.os.Bundle savedInstanceState)
        {
            // http://developer.android.com/guide/topics/ui/notifiers/notifications.html

            base.onCreate(savedInstanceState);

            ScrollView sv = new ScrollView(this);

            LinearLayout ll = new LinearLayout(this);

            ll.setOrientation(LinearLayout.VERTICAL);

            sv.addView(ll);

            #region startservice
            var startservice = new Button(this);
            startservice.setText("Start Service to send Notification");
            startservice.AtClick(
               delegate
               {
                   this.ShowToast("startservice_onclick");

                   var intent = new Intent(this, typeof(NotifyService).ToClass());

                   this.startService(intent);
               }
            );
            ll.addView(startservice);
            #endregion

            #region stopservice
            var stopservice = new Button(this);
            stopservice.setText("Stop Service");
            stopservice.AtClick(
                delegate
                {
                    this.ShowToast("stopservice_onclick");

                    Intent intent = new Intent();
                    intent.setAction(NotifyService.ACTION);
                    intent.putExtra("RQS", NotifyService.RQS_STOP_SERVICE);
                    this.sendBroadcast(intent);

                }
            );
            ll.addView(stopservice);
            #endregion

            this.setContentView(sv);

            this.ShowToast("http://jsc-solutions.net");


        }
        protected override void onCreate(Bundle savedInstanceState)
        {
            base.onCreate(savedInstanceState);

            var sv = new ScrollView(this);
            var ll = new LinearLayout(this);
            //ll.setOrientation(LinearLayout.VERTICAL);
            sv.addView(ll);


            var b = new Button(this);
            ll.addView(b);

            var p = new Preview(this);

            b.WithText("take a picture");

            p.oncamera =
                camera =>
                    b.AtClick(
                        v =>
                        {
                            camera.takePicture(null, null,
                                new takePicture_handler
                                {
                                    handler =
                                        data =>
                                        {
                                            b.WithText("at click");
                                            try
                                            {
                                                // http://stackoverflow.com/questions/11874273/android-nexus-7-jelly-bean-startpreview-takepicture-calling-getcamerastereomode

                                                //E/NvOmxCamera(  126): OMX_ERRORTYPE android::NvOmxCamera::getCameraStereoMode(NvxComponent*, NvOmxCameraUserStereoMode&): Error: invalid NVX mode 0.
                                                //E/NvOmxCamera(  126): OMX_ERRORTYPE android::NvOmxCamera::getCameraStereoModeAndCaptureInfo(NvxComponent*, NvOmxCameraUserStereoMode&, NVX_STEREOCAPTUREINFO&): getCameraStereoMode failed with 0x00000000
                                                //D/NvOsDebugPrintf(  126): NvMMLiteJPEGEncSetAttribute: Incorrect value 0 for stereo capture type
                                                //E/NvOmxCameraSettings(  126): OMX_ERRORTYPE android::programStereoInfo(OMX_HANDLETYPE, const NVX_STEREOCAPTUREINFO&, android::NvxWrappers*): pNvxWrappers->OMX_SetConfigIL failed with 0x80001005
                                                //D/NvOsDebugPrintf(  126): Tryproc: INBuffer-Values of Width and Height 1280 960
                                                //D/dalvikvm(29535): GC_FOR_ALLOC freed 6686K, 52% free 7716K/15943K, paused 25ms, total 27ms


                                                var SAVE_PATH = android.os.Environment.getExternalStoragePublicDirectory(
                                                    android.os.Environment.DIRECTORY_PICTURES
                                                    );


                                                SAVE_PATH.mkdirs();

                                                var bmp = android.graphics.BitmapFactory.decodeByteArray(data, 0, data.Length);

                                                ByteArrayOutputStream bytes = new ByteArrayOutputStream();
                                                bmp.compress(android.graphics.Bitmap.CompressFormat.JPEG, 100, bytes);

                                                File f = new File(SAVE_PATH.ToString() + "/hello2.jpg");



                                                f.createNewFile();

                                                FileOutputStream fo = new FileOutputStream(f);
                                                fo.write(bytes.toByteArray());

                                                Intent intent = new Intent();
                                                intent.setAction(android.content.Intent.ACTION_VIEW);

                                                var imgUri = android.net.Uri.fromFile(f);

                                                intent.setDataAndType(imgUri, "image/*");

                                                b.WithText("done!");

                                                startActivity(intent);

                                            }
                                            // Error	1	The type caught or thrown must be derived from System.Exception	y:\jsc.svn\examples\java\android\AndroidCameraActivity\AndroidCameraActivity\ApplicationActivity.cs	154	52	AndroidCameraActivity
                                            catch (Exception ex)
                                            {
                                                b.WithText("saving.. error! " + ex.Message);

                                                //throw;
                                            }


                                        }
                                }
                            );

                        }
                    );


            this.setContentView(p);
            this.addContentView(sv, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
        }
        // https://github.com/opersys/raidl


        // http://stackoverflow.com/questions/6274141/trigger-background-service-at-a-specific-time-in-android
        // http://stackoverflow.com/questions/7144908/how-is-an-intent-service-declared-in-the-android-manifest
        // http://developer.android.com/guide/topics/manifest/service-element.html

        // https://github.com/android/platform_frameworks_base/blob/master/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java

        //AtBootCompleted hack1;

        protected override void onCreate(global::android.os.Bundle savedInstanceState)
        {
            // http://developer.android.com/guide/topics/ui/notifiers/notifications.html

            base.onCreate(savedInstanceState);

            var sv = new ScrollView(this);
            var ll = new LinearLayout(this);

            ll.setOrientation(LinearLayout.VERTICAL);

            sv.addView(ll);

            #region startservice
            var startservice = new Button(this);
            startservice.setText("Start Service to send Notification");
            startservice.AtClick(
                delegate
                {
                    startservice.setEnabled(false);
                    //this.ShowToast("startservice_onclick");

                    //var intent = new Intent(this, NotifyService.Class);
                    var intent = new Intent(this, typeof(NotifyService).ToClass());
                    this.startService(intent);

                    // http://developer.android.com/reference/android/app/Activity.html#recreate%28%29
                    this.recreate();
                }
            );
            ll.addView(startservice);
            #endregion

            #region stopservice
            var stopservice = new Button(this);
            stopservice.setText("Stop Service");
            stopservice.AtClick(
                delegate
                {
                    this.ShowToast("stopservice_onclick");

                    var intent = new Intent();
                    intent.setAction(NotifyService.ACTION);
                    intent.putExtra("RQS", NotifyService.RQS_STOP_SERVICE);
                    this.sendBroadcast(intent);

                    // seems stop takes a while

                    //Task.Delay(100);

                    Thread.Sleep(30);

                    this.recreate();
                }
            );
            ll.addView(stopservice);
            #endregion

            stopservice.setEnabled(false);

            // http://stackoverflow.com/questions/12891903/android-check-if-my-service-is-running-in-the-background
            var m = (ActivityManager)this.getSystemService(Context.ACTIVITY_SERVICE);


            Console.WriteLine("getRunningServices");

            var s = m.getRunningServices(1000);

            Console.WriteLine("getRunningServices " + s.size());

            var se =
                // http://stackoverflow.com/questions/7170730/how-to-set-a-control-panel-for-my-service-in-android

                from i in Enumerable.Range(0, s.size())
                let rsi = (android.app.ActivityManager.RunningServiceInfo)s.get(i)
                let cn = rsi.service.getClassName()
                let cp = m.getRunningServiceControlPanel(rsi.service)

                //orderby cn
                orderby cp != null

                select new { i, rsi, cn, cp };
            //java.lang.JavaSystem.ex
            //     I/System.Console( 1617): { i = 45, cn = android.hardware.location.GeofenceHardwareService, cp =  }
            //I/System.Console( 1617): { i = 17, cn = ccc71.at.services.at_service, cp =  }
            //I/System.Console( 1617): { i = 34, cn = com.android.bluetooth.a2dp.A2dpService, cp =  }
            //I/System.Console( 1617): { i = 13, cn = com.android.bluetooth.btservice.AdapterService, cp =  }
            //I/System.Console( 1617): { i = 23, cn = com.android.bluetooth.gatt.GattService, cp =  }
            //I/System.Console( 1617): { i = 68, cn = com.android.bluetooth.hfp.HeadsetService, cp =  }
            //I/System.Console( 1617): { i = 0, cn = com.android.bluetooth.hid.HidService, cp =  }
            //I/System.Console( 1617): { i = 84, cn = com.android.bluetooth.pan.PanService, cp =  }
            //I/System.Console( 1617): { i = 80, cn = com.android.defcontainer.DefaultContainerService, cp =  }
            //I/System.Console( 1617): { i = 37, cn = com.android.incallui.InCallServiceImpl, cp =  }
            //I/System.Console( 1617): { i = 71, cn = com.android.incallui.MCIDService, cp =  }
            //I/System.Console( 1617): { i = 55, cn = com.android.incallui.SecInCallService, cp =  }
            //I/System.Console( 1617): { i = 73, cn = com.android.internal.backup.LocalTransportService, cp =  }
            //I/System.Console( 1617): { i = 81, cn = com.android.phone.TelephonyDebugService, cp =  }
            //I/System.Console( 1617): { i = 66, cn = com.android.providers.media.MtpService, cp =  }
            //I/System.Console( 1617): { i = 65, cn = com.android.server.DrmEventService, cp =  }
            //I/System.Console( 1617): { i = 57, cn = com.android.server.telecom.BluetoothPhoneService, cp =  }
            //I/System.Console( 1617): { i = 50, cn = com.android.server.telecom.BluetoothVoIPService, cp =  }
            //I/System.Console( 1617): { i = 62, cn = com.android.stk.StkAppService, cp =  }
            //I/System.Console( 1617): { i = 15, cn = com.android.systemui.ImageWallpaper, cp = PendingIntent{2759cef2: android.os.BinderProxy@181ef173} }
            //I/System.Console( 1617): { i = 44, cn = com.android.systemui.SystemUIService, cp =  }
            //I/System.Console( 1617): { i = 12, cn = com.android.systemui.keyguard.KeyguardService, cp =  }
            //I/System.Console( 1617): { i = 21, cn = com.dsi.ant.server.AntService, cp =  }
            //I/System.Console( 1617): { i = 48, cn = com.fmm.dm.XDMService, cp =  }
            //I/System.Console( 1617): { i = 22, cn = com.google.android.gms.analytics.service.AnalyticsService, cp =  }
            //I/System.Console( 1617): { i = 51, cn = com.google.android.gms.auth.trustagent.GoogleTrustAgent, cp =  }
            //I/System.Console( 1617): { i = 86, cn = com.google.android.gms.backup.BackupTransportService, cp =  }
            //I/System.Console( 1617): { i = 4, cn = com.google.android.gms.car.CarService, cp =  }
            //I/System.Console( 1617): { i = 76, cn = com.google.android.gms.clearcut.service.ClearcutLoggerService, cp =  }
            //I/System.Console( 1617): { i = 75, cn = com.google.android.gms.common.stats.GmsCoreStatsService, cp =  }
            //I/System.Console( 1617): { i = 67, cn = com.google.android.gms.deviceconnection.service.DeviceConnectionServiceBroker, cp =  }
            //I/System.Console( 1617): { i = 19, cn = com.google.android.gms.gcm.GcmService, cp =  }
            //I/System.Console( 1617): { i = 38, cn = com.google.android.gms.gcm.http.GoogleHttpService, cp =  }
            //I/System.Console( 1617): { i = 74, cn = com.google.android.gms.playlog.service.PlayLogBrokerService, cp =  }
            //I/System.Console( 1617): { i = 18, cn = com.google.android.gms.trustagent.api.trustagent.GoogleTrustAgentService, cp =  }
            //I/System.Console( 1617): { i = 25, cn = com.google.android.gms.usagereporting.service.UsageReportingService, cp =  }
            //I/System.Console( 1617): { i = 82, cn = com.google.android.gms.wearable.service.WearableService, cp =  }
            //I/System.Console( 1617): { i = 40, cn = com.google.android.hotword.service.HotwordService, cp =  }
            //I/System.Console( 1617): { i = 60, cn = com.google.android.libraries.hangouts.video.VideoChatService, cp =  }
            //I/System.Console( 1617): { i = 30, cn = com.google.android.location.fused.FusedLocationService, cp =  }
            //I/System.Console( 1617): { i = 16, cn = com.google.android.location.geocode.GeocodeService, cp =  }
            //I/System.Console( 1617): { i = 39, cn = com.google.android.location.geofencer.service.GeofenceProviderService, cp =  }
            //I/System.Console( 1617): { i = 63, cn = com.google.android.location.internal.GoogleLocationManagerService, cp =  }
            //I/System.Console( 1617): { i = 54, cn = com.google.android.location.internal.PendingIntentCallbackService, cp =  }
            //I/System.Console( 1617): { i = 58, cn = com.google.android.location.internal.server.GoogleLocationService, cp =  }
            //I/System.Console( 1617): { i = 61, cn = com.google.android.location.network.NetworkLocationService, cp =  }
            //I/System.Console( 1617): { i = 3, cn = com.google.android.music.dial.DialMediaRouteProviderService, cp =  }
            //I/System.Console( 1617): { i = 6, cn = com.google.android.search.core.service.BroadcastListenerService, cp =  }
            //I/System.Console( 1617): { i = 35, cn = com.google.android.search.core.service.SearchService, cp =  }
            //I/System.Console( 1617): { i = 69, cn = com.google.android.voiceinteraction.GsaVoiceInteractionService, cp =  }
            //I/System.Console( 1617): { i = 85, cn = com.ime.framework.spellcheckservice.SamsungIMESpellCheckerService, cp =  }
            //I/System.Console( 1617): { i = 49, cn = com.samsung.android.MtpApplication.MtpService, cp =  }
            //I/System.Console( 1617): { i = 78, cn = com.samsung.android.app.catchfavorites.catchnotifications.CatchNotificationsService, cp = PendingIntent{1f770943: android.os.BinderProxy@6924ca9} }
            //I/System.Console( 1617): { i = 56, cn = com.samsung.android.app.edge.nightclock.NightClockService, cp =  }
            //I/System.Console( 1617): { i = 59, cn = com.samsung.android.app.galaxyfinder.recommended.RecommendedService, cp =  }
            //I/System.Console( 1617): { i = 53, cn = com.samsung.android.app.galaxyfinder.tag.TagReadyService, cp =  }
            //I/System.Console( 1617): { i = 72, cn = com.samsung.android.app.shealth.tracker.pedometer.service.PedometerService, cp =  }
            //I/System.Console( 1617): { i = 32, cn = com.samsung.android.app.shealth.tracker.sport.livetracker.LiveTrackerService, cp =  }
            //I/System.Console( 1617): { i = 79, cn = com.samsung.android.beaconmanager.BeaconService, cp =  }
            //I/System.Console( 1617): { i = 42, cn = com.samsung.android.health.wearable.service.WearableService, cp =  }
            //I/System.Console( 1617): { i = 70, cn = com.samsung.android.providers.context.ContextService, cp =  }
            //I/System.Console( 1617): { i = 24, cn = com.samsung.android.scloud.auth.RelayService, cp =  }
            //I/System.Console( 1617): { i = 26, cn = com.samsung.android.sconnect.periph.PeriphService, cp =  }
            //I/System.Console( 1617): { i = 29, cn = com.samsung.android.sensor.framework.SensorService, cp =  }
            //I/System.Console( 1617): { i = 64, cn = com.samsung.android.service.health.HealthService, cp =  }
            //I/System.Console( 1617): { i = 14, cn = com.samsung.android.service.peoplestripe.PeopleNotiListenerService, cp = PendingIntent{17538bc0: android.os.BinderProxy@6924ca9} }
            //I/System.Console( 1617): { i = 77, cn = com.samsung.android.service.peoplestripe.PeopleStripeService, cp =  }
            //I/System.Console( 1617): { i = 28, cn = com.samsung.android.sm.widgetapp.SMWidgetService, cp =  }
            //I/System.Console( 1617): { i = 47, cn = com.samsung.android.thememanager.ThemeManagerService, cp =  }
            //I/System.Console( 1617): { i = 52, cn = com.samsung.appcessory.server.SAPService, cp =  }
            //I/System.Console( 1617): { i = 5, cn = com.samsung.hs20settings.WifiHs20UtilityService, cp =  }
            //I/System.Console( 1617): { i = 41, cn = com.samsung.sec.android.application.csc.CscUpdateService, cp =  }
            //I/System.Console( 1617): { i = 2, cn = com.sec.android.app.bluetoothtest.BluetoothBDTestService, cp =  }
            //I/System.Console( 1617): { i = 31, cn = com.sec.android.app.launcher.services.LauncherService, cp =  }
            //I/System.Console( 1617): { i = 10, cn = com.sec.android.daemonapp.ap.accuweather.WeatherClockService, cp =  }
            //I/System.Console( 1617): { i = 8, cn = com.sec.android.inputmethod.SamsungKeypad, cp = PendingIntent{39a730f9: android.os.BinderProxy@2b45775c} }
            //I/System.Console( 1617): { i = 46, cn = com.sec.android.pagebuddynotisvc.PageBuddyNotiSvc, cp =  }
            //I/System.Console( 1617): { i = 1, cn = com.sec.android.sensor.framework.SensorService, cp =  }
            //I/System.Console( 1617): { i = 83, cn = com.sec.android.service.sm.service.SecurityManagerService, cp =  }
            //I/System.Console( 1617): { i = 7, cn = com.sec.android.widgetapp.ap.weather.common.appservice.WeatherScreenService, cp =  }
            //I/System.Console( 1617): { i = 11, cn = com.sec.android.widgetapp.ap.weather.common.appservice.WeatherService, cp =  }
            //I/System.Console( 1617): { i = 36, cn = com.sec.android.widgetapp.ap.weather.widget.surfacewidget.WeatherSurfaceWidget, cp =  }
            //I/System.Console( 1617): { i = 33, cn = com.sec.android.widgetapp.digitalclockeasy.DigitalClockEasyService, cp =  }
            //I/System.Console( 1617): { i = 9, cn = com.sec.bcservice.BroadcastService, cp =  }
            //I/System.Console( 1617): { i = 20, cn = com.sec.enterprise.mdm.services.simpin.EnterpriseSimPin, cp =  }
            //I/System.Console( 1617): { i = 87, cn = com.sec.phone.SecPhoneService, cp =  }
            //I/System.Console( 1617): { i = 43, cn = com.sec.spp.push.PushClientService, cp =  }
            //I/System.Console( 1617): { i = 27, cn = org.simalliance.openmobileapi.service.SmartcardService, cp =  }

            //I/System.Console( 5883): { i = 85, cn = com.google.android.gms.backup.BackupTransportService, process = com.google.android.gms.persistent }
            //I/System.Console( 5883): { i = 86, cn = com.sec.phone.SecPhoneService, process = com.sec.phone }
            //I/System.Console( 5883): { i = 7, cn = com.sec.android.inputmethod.SamsungKeypad, process = com.sec.android.inputmethod, cp = PendingIntent{e6c79e2: android.os.BinderProxy@181ef173}, describeContents = 0 }
            //I/System.Console( 5883): { i = 13, cn = com.samsung.android.service.peoplestripe.PeopleNotiListenerService, process = com.samsung.android.service.peoplestripe, cp = PendingIntent{24b00830: android.os.BinderProxy@6924ca9}, describeContents = 0 }
            //I/System.Console( 5883): { i = 14, cn = com.android.systemui.ImageWallpaper, process = com.android.systemui.imagewallpaper, cp = PendingIntent{135c522e: android.os.BinderProxy@1ced31cf}, describeContents = 0 }
            //I/System.Console( 5883): { i = 77, cn = com.samsung.android.app.catchfavorites.catchnotifications.CatchNotificationsService, process = com.samsung.android.app.catchfavorites, cp = PendingIntent{2b45775c: android.os.BinderProxy@6924ca9}, describeContents = 0 }

            // http://stackoverflow.com/questions/7170730/how-to-set-a-control-panel-for-my-service-in-android
            // The service's description and configuration intent can be set during a service binding
            foreach (var ss in se)
            {


                var cn = ss.cn;

                PendingIntent cp = ss.cp;

                // whats a ControlPanel ?

                //  Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'int android.app.PendingIntent.describeContents()' on a null object reference

                if (cp == null)
                    Console.WriteLine(new { ss.i, cn, ss.rsi.process });
                else
                    Console.WriteLine(new { ss.i, cn, ss.rsi.process, cp, describeContents = cp.describeContents() });

                // I/System.Console(17713): { cn = AndroidBootServiceNotificationActivity.Activities.NotifyService }
                if (cn == typeof(NotifyService).FullName)
                {
                    // cannot find ourself? unless its running

                    startservice.setEnabled(false);
                    stopservice.setEnabled(true);

                    // its running

                    // http://stackoverflow.com/questions/7170730/how-to-set-a-control-panel-for-my-service-in-android
                    // http://www.techques.com/question/1-7170730/How-to-set-a-control-panel-for-my-Service-in-Android
                    // http://alvinalexander.com/java/jwarehouse/android/core/java/android/app/ActivityManagerNative.java.shtml
                }


                #region cp
                if (cp != null)
                {
                    // could we not infer activity from code from application?

                    new Button(this).WithText(
                        cn
                    ).AtClick(
                        delegate
                        {
                            // http://codetheory.in/android-pending-intents/
                            try
                            {
                                cp.send();
                            }
                            catch
                            {
                            }

                            //this.startActivity(
                            //    cp
                            //);
                        }
                    ).AttachTo(ll);
                }
                #endregion


            }

            this.setContentView(sv);

            //this.ShowToast("http://jsc-solutions.net");


            new Button(this).WithText("exit").AttachTo(ll).AtClick(
                delegate
                {

                    // will it be logged?
                    System.Environment.Exit(13);

                    // application still visible in tasks?
                }
            );

            new Button(this).WithText("finish").AttachTo(ll).AtClick(
               delegate
               {
                   //this.finishAndRemoveTask();
                   this.finish();

                   // will it be logged?
                   //System.Environment.Exit(13);

                   // application still visible in tasks?
               }
           );

            new Button(this).WithText("finishAndRemoveTask").AttachTo(ll).AtClick(
             delegate
             {
                 this.finishAndRemoveTask();
                 //this.finish();

                 // will it be logged?
                 //System.Environment.Exit(13);

                 // application still visible in tasks?
             }
         );
        }
        // gateway service process/ event thread / async enabled?
        public override int onStartCommand(Intent value0, int flags, int startId)
        {
            // Options that have been set in the service declaration in the manifest.
            // http://developer.android.com/reference/android/content/pm/ServiceInfo.html#FLAG_STOP_WITH_TASK

            Console.WriteLine("enter onStartCommand " + new { flags, startId });



            // until wifi changes?
            var xipv4 =
                //from n in System.Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces()
                from n in AllNetworkInterfaces
                let IPProperties = n.GetIPProperties()
                let c = IPProperties.UnicastAddresses.Count
                from i in Enumerable.Range(0, c)
                let ip = IPProperties.UnicastAddresses[i]


                where ip.Address.AddressFamily == AddressFamily.InterNetwork
                //let loop = IPAddress.Loopback == ip.Address
                let loop = IPAddress.IsLoopback(ip.Address)

                orderby loop
                select new { n, ip, loop, ip.Address };

            //I/System.Console(20546): 5042:0001 { n = ScriptCoreLibJava.BCLImplementation.System.Net.NetworkInformation.__NetworkInterface@37e1894a, ip = { Address = 192.168.1.126 }, loop = false, Address = 192.168.1.126 }
            //I/System.Console(20546): 5042:0001 { n = ScriptCoreLibJava.BCLImplementation.System.Net.NetworkInformation.__NetworkInterface@3c1830bb, ip = { Address = 127.0.0.1 }, loop = true, Address = 127.0.0.1 }

            xipv4.WithEach(
                Console.WriteLine
            );

            var BestGuessHost = xipv4.FirstOrDefault();
            Console.WriteLine(" " + new { BestGuessHost });


            //var port = new Random().Next(8000, 30000);

            // cached by cloudflare?
            //var port = 80;
            var port = 8080;
            // https://github.com/NanoHttpd/nanohttpd/blob/master/core/src/main/java/fi/iki/elonen/NanoHTTPD.java

            var notifyServiceReceiver = new AsyncReplyReceiver
            {
                AtReceive = (cc, ii) =>
                {
                    Console.WriteLine("enter onReceive");

                    //android.content.IntentFilter
                    //android.content.Intent.ACTION_BOOT_COMPLETED
                    int rqs = ii.getIntExtra("RQS", 0);

                    if (rqs == RQS_STOP_SERVICE)
                        this.stopSelf();

                    if (ii.hasExtra("whats my port"))
                    {
                        // how do we reply?
                        // sharedmemory implementation is missing and useless

                        xipv4.WithEach(
                            Console.WriteLine
                        );

                        var intent = new Intent();
                        //intent.putExtra("host", BestGuessHost.Address.ToString());

                        // did we switch networks?
                        intent.putExtra("host", xipv4.FirstOrDefault().ToString());
                        intent.putExtra("port", port);
                        intent.setAction(GatewayService.ACTION + "reply");
                        this.sendBroadcast(intent);
                    }
                }
            };



            #region AtDestroy
            this.AtDestroy = delegate
            {
                Console.WriteLine("enter AtDestroy");

                this.unregisterReceiver(notifyServiceReceiver);
                //            I/System.Console( 8080): onDestroy { xmyPid = 8080 }
                //I/art     ( 8080): System.exit called, status: 42

                var xmyPid = android.os.Process.myPid();
                Console.WriteLine("onDestroy " + new { xmyPid });

                System.Environment.Exit(42);
            };
            #endregion


            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 2, Name = ip6tnl0, Description = ip6tnl0, SupportsMulticast = false, InetAddressesString =  }
            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 2, Name = rmnet4, Description = rmnet4, SupportsMulticast = true, InetAddressesString =  }
            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 2, Name = rmnet2, Description = rmnet2, SupportsMulticast = true, InetAddressesString =  }
            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 2, Name = rmnet3, Description = rmnet3, SupportsMulticast = true, InetAddressesString =  }
            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 2, Name = rmnet7, Description = rmnet7, SupportsMulticast = true, InetAddressesString =  }
            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 2, Name = rmnet5, Description = rmnet5, SupportsMulticast = true, InetAddressesString =  }
            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 2, Name = rmnet6, Description = rmnet6, SupportsMulticast = true, InetAddressesString =  }
            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 2, Name = rmnet1, Description = rmnet1, SupportsMulticast = true, InetAddressesString =  }
            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 2, Name = rmnet0, Description = rmnet0, SupportsMulticast = true, InetAddressesString =  }

            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 1, Name = lo, Description = lo, SupportsMulticast = false, InetAddressesString = , ::1%1, 127.0.0.1 }
            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 2, Name = sit0, Description = sit0, SupportsMulticast = false, InetAddressesString =  }
            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 1, Name = p2p0, Description = p2p0, SupportsMulticast = true, InetAddressesString = , fe80::e850:8bff:fe7d:277c%p2p0 }
            //I/System.Console( 9390): 24ae:0001 { OperationalStatus = 1, Name = wlan0, Description = wlan0, SupportsMulticast = true, InetAddressesString = , 2001:7d0:8414:3001:ea50:8bff:fe7d:277c%13, fe80::ea50:8bff:fe7d:277c%wlan0, 2001:7d0:8414:3001:b421:4790:ede8:826c%13, 192.168.1.126 }



            //I/System.Console(15259): 3b9b:0001 { OperationalStatus = 1, Name = lo, Description = lo, SupportsMulticast = false, InetAddressesString = , ::1%1, 127.0.0.1 }
            //I/System.Console(15259): 3b9b:0001 { OperationalStatus = 2, Name = dummy0, Description = dummy0, SupportsMulticast = false, InetAddressesString =  }
            //I/System.Console(15259): 3b9b:0001 { OperationalStatus = 2, Name = sit0, Description = sit0, SupportsMulticast = false, InetAddressesString =  }
            //I/System.Console(15259): 3b9b:0001 { OperationalStatus = 2, Name = ip6tnl0, Description = ip6tnl0, SupportsMulticast = false, InetAddressesString =  }
            //I/System.Console(15259): 3b9b:0001 { OperationalStatus = 1, Name = p2p0, Description = p2p0, SupportsMulticast = true, InetAddressesString = , fe80::10bf:48ff:febe:6b7d%p2p0 }
            //I/System.Console(15259): 3b9b:0001 { OperationalStatus = 1, Name = wlan0, Description = wlan0, SupportsMulticast = true, InetAddressesString = , 2001:7d0:8414:3001:a06f:6dfe:8dfc:42b8%6, 2001:7d0:8414:3001:12bf:48ff:febe:6b7d%6, fe80::12bf:48ff:febe:6b7d%wlan0, 192.168.1.211 }

            // I/System.Console(11408): 2c90:0001 { OperationalStatus = 1, Name = rmnet0, Description = rmnet0, SupportsMulticast = true, InetAddressesString = , 83.187.193.24 }

            //Implementation not found for type import :
            //type: System.Net.NetworkInformation.UnicastIPAddressInformationCollection
            //method: System.Net.NetworkInformation.UnicastIPAddressInformation get_Item(Int32)
            //Did you forget to add the [Script] attribute?
            //Please double check the signature!







            // http://stackoverflow.com/questions/14182014/android-oncreate-or-onstartcommand-for-starting-service



            var myPid = android.os.Process.myPid();

            var intentFilter = new IntentFilter();
            intentFilter.addAction(ACTION);
            registerReceiver(notifyServiceReceiver, intentFilter);


            Func<TcpListener> ctor = delegate
            {
                TcpListener x = null;
                try
                {
                    Console.WriteLine("774 TcpListener " + new { port });
                    x = new TcpListener(IPAddress.Any, port);
                    Console.WriteLine("776 TcpListener ");

                    // signal UI service is yet again available
                    //Console.WriteLine("before Start ");

                    // I/System.Console(25817): 64d9:0001 { err = java.lang.RuntimeException: bind failed: EACCES (Permission denied) }

                    x.Start();

                    Console.WriteLine("782 TcpListener ");

                }
                catch (Exception err)
                {
                    Console.WriteLine(new { err });
                    System.Environment.Exit(42);
                }

                return x;
            };



            #region TcpListener
            new { }.With(
                async delegate
                {

                    //var l = new TcpListener(IPAddress.Any, port);
                    var l = ctor();

            


                    var href =
                        "http://127.0.0.1:" + port;

                    Console.WriteLine(
                        href
                    );

                    while (true)
                    {
                        //Console.WriteLine("before AcceptTcpClientAsync ");

                        var c = await l.AcceptTcpClientAsync();

                        // time to do firewall or security?

                        //Console.WriteLine("before yield " + new { c });

                        yield(c);
                        //Console.WriteLine("after yield " + new { c });
                    }
                }
            );
            #endregion


            var onStartCommand_status = base.onStartCommand(value0, flags, startId);

            Console.WriteLine("exit onStartCommand " + new { onStartCommand_status });

            // I/System.Console( 9005): 232d:0001 exit onStartCommand { onStartCommand_status = 1 }

            return onStartCommand_status;
        }
        // "x:\util\android-sdk-windows\platform-tools\adb.exe" connect 192.168.1.126:5555

        //  x:\util\android-sdk-windows\platform-tools\adb.exe logcat -s "xNativeActivity" "System.Console" "DEBUG"

        // https://sites.google.com/a/jsc-solutions.net/backlog/knowledge-base/2015/201505/20150513
        // https://sites.google.com/a/jsc-solutions.net/backlog/knowledge-base/2015/201505/20150531

        // 01. lets have our service think of a port, and send it back to activity at start. or save into file as cpu does it?
        // http://developer.android.com/reference/android/os/MemoryFile.html
        // http://stackoverflow.com/questions/19778196/class-memoryfile-of-any-use
        // http://stackoverflow.com/questions/15123402/share-memory-between-two-processes-in-dalvik
        // http://www.slideshare.net/tetsu.koba/interprocess-communication-of-android
        // http://www.codota.com/android/scenarios/52fcbca7da0a12229fc989b1/android.os.MemoryFile?tag=dragonfly
        // https://groups.google.com/forum/#!topic/android-developers/r-oqeI7MlJg
        // http://stackoverflow.com/questions/19778196/class-memoryfile-of-any-use
        // https://vec.io/posts/andriod-ipc-shared-memory-with-ashmem-memoryfile-and-binder
        // http://notjustburritos.tumblr.com/post/21442138796/an-introduction-to-android-shared-memory
        // https://developer.android.com/training/articles/memory.html
        // http://www.slideshare.net/jserv/android-ipc-mechanism

        //Action AtActivityResult;

        //protected override void onActivityResult(int arg0, int arg1, Intent arg2)
        //{
        //    base.onActivityResult(arg0, arg1, arg2);

        //    if (AtActivityResult != null)
        //        AtActivityResult();
        //}




        //        I/ActivityManager(  475): Killing 7649:AndroidMultiProcTCPServerAsync.Activities/u0a49 (adj 9): remove task
        //I/ActivityManager(  475): Killing 7627:AndroidMultiProcTCPServerAsync.Activities:gateway7/u0a49 (adj 5): remove task
        //I/ActivityManager(  475): START u0 {act=android.intent.action.MAIN cat=[android.intent.category.HOME] flg=0x10200000 cmp=com.android.l
        //W/ActivityManager(  475): Scheduling restart of crashed service AndroidMultiProcTCPServerAsync.Activities/.GatewayService in 16000ms

        //protected override void onPause()
        //{
        //    Console.WriteLine("enter onPause, finishAndRemoveTask");


        //    // not called on back button?
        //    // keep service running, remove activity
        //    this.finishAndRemoveTask();

        //    base.onPause();



        //}

        protected override void onCreate(Bundle savedInstanceState)
        {
            base.onCreate(savedInstanceState);

            var sv = new ScrollView(this);
            var ll = new LinearLayout(this);
            // fill the button
            ll.setOrientation(LinearLayout.VERTICAL);
            sv.addView(ll);


            this.setContentView(sv);

            var activity = this;


            new Button(activity).WithText("is the service already running?").AttachTo(ll);

            var m = (ActivityManager)this.getSystemService(Context.ACTIVITY_SERVICE);
            // why limit?
            var s = m.getRunningServices(0xffff);

            var a = Enumerable.FirstOrDefault(
                from i in Enumerable.Range(0, s.size())
                let rsi = (android.app.ActivityManager.RunningServiceInfo)s.get(i)
                let cn = rsi.service.getClassName()
                where cn == typeof(GatewayService).FullName
                select new { i, rsi, cn }
            );

            if (a == null)
            {
                new Button(activity).WithText("start service").AttachTo(ll).AtClick(
                    delegate
                    {
                        // start the service unless already running?
                        var intent = new Intent(this.getApplicationContext(), typeof(GatewayService).ToClass());
                        // if the user can swipe us away service is restarted?
                        this.getApplicationContext().startService(intent);

                    }
                );
            }
            else
            {

            }


            // whats the port?

            new Button(activity).WithText("which port are we on? " + new { a }).AttachTo(ll).AtClick(
                delegate
                {
                    var aa = default(AsyncReplyReceiver);

                    aa = new AsyncReplyReceiver
                    {
                        AtReceive = (cc, ii) =>
                        {
                            Console.WriteLine("ui now has the port...");
                            this.unregisterReceiver(aa);


                            var host = ii.getStringExtra("host");
                            var port = ii.getIntExtra("port", 0);

                            new Button(activity).WithText("open " + host + ":" + port).AttachTo(ll).AtClick(
                                 delegate
                                 {

                                     var href =
                                         "http://" + host + ":" + port;

                                     Console.WriteLine(
                                         href
                                     );



                                     //this.runOnUiThread(
                                     //    delegate
                                     //    {
                                     var i = new Intent(Intent.ACTION_VIEW,
                                        android.net.Uri.parse(href)
                                    );

                                     // http://vaibhavsarode.wordpress.com/2012/05/14/creating-our-own-activity-launcher-chooser-dialog-android-launcher-selection-dialog/
                                     var ic = Intent.createChooser(i, href);


                                     this.startActivity(ic);
                                     //    }
                                     //);
                                 }
                            );
                        }
                    };

                    var intentFilter = new IntentFilter();
                    intentFilter.addAction(GatewayService.ACTION + "reply");
                    this.registerReceiver(aa, intentFilter);


                    var intent = new Intent();
                    intent.setAction(GatewayService.ACTION);
                    intent.putExtra("whats my port", "?");
                    this.sendBroadcast(intent);
                }
            );



            new Button(this).WithText("exit").AttachTo(ll).AtClick(
             delegate
             {

                 // will it be logged?
                 System.Environment.Exit(13);

                 // application still visible in tasks?
             }
         );

            new Button(this).WithText("finish").AttachTo(ll).AtClick(
               delegate
               {
                   //this.finishAndRemoveTask();
                   this.finish();

                   // will it be logged?
                   //System.Environment.Exit(13);

                   // application still visible in tasks?
               }
           );

            new Button(this).WithText("finishAndRemoveTask").AttachTo(ll).AtClick(
             delegate
             {
                 this.finishAndRemoveTask();
                 //this.finish();

                 // will it be logged?
                 //System.Environment.Exit(13);

                 // application still visible in tasks?
             }
         );


            //            [javac] W:\src\AndroidMultiProcTCPServerAsync\Activities\ApplicationActivity.java:56: error: unreported exception IOException; must be caught or declared to be thrown
            //[javac]         class22.m = new MemoryFile("foo0", 100);

            //// ipc memory referenced
            //var m = default(MemoryFile);

            //try
            //{
            //    m = new MemoryFile("foo0", 100);
            //}
            //catch { throw; }


            // MemoryFile not available yet. bypass to NDK? workaround to filesystem?

            // E/AndroidRuntime(28716): Caused by: android.system.ErrnoException: open failed: EROFS (Read-only file system)

            // http://developer.android.com/training/basics/data-storage/files.html

            //  File.WriteAllText(this.getFilesDir().getAbsolutePath() + "/MemoryFile-foo0", "awaiting...");



            //  new Button(activity).WithText("Next " +

            //      File.ReadAllText(this.getFilesDir().getAbsolutePath() + "/MemoryFile-foo0")

            //      ).AttachTo(ll).AtClick(
            //      button =>
            //      {
            //          Intent intent = new Intent(activity, typeof(SecondaryActivity).ToClass());
            //          intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);

            //          // share scope
            //          var myPid = android.os.Process.myPid();
            //          intent.putExtra("_item", "hello from " + new { myPid });

            //          //intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);

            //          //new Button(activity).WithText("read").AttachTo(ll).AtClick(
            //          //      button2 =>
            //          //      {
            //          //          var m2 = default(MemoryFile);

            //          //          try
            //          //          {
            //          //              m2 = new MemoryFile("foo0", 100);
            //          //          }
            //          //          catch { throw; }


            //          //          var pos = 0;

            //          //          //var __out = new __NetworkStream { InternalOutputStream = m.getOutputStream() };
            //          //          var __in = new __NetworkStream { InternalInputStream = m2.getInputStream() };

            //          //          // block the ui?

            //          //          var ipcByte = 0;
            //          //          while (ipcByte == 0)
            //          //          {
            //          //              ipcByte = __in.ReadByte();
            //          //              button2.WithText(new { ipcByte, pos }.ToString());
            //          //              pos++;
            //          //          }
            //          //      }
            //          //  );

            //          AtActivityResult +=
            //              delegate
            //              {
            //                  // if we read too early we get all zeros..

            //                  //var pos = 0;

            //                  ////var __out = new __NetworkStream { InternalOutputStream = m.getOutputStream() };
            //                  //var __in = new __NetworkStream { InternalInputStream = m.getInputStream() };

            //                  //// block the ui?

            //                  //var ipcByte = 0;
            //                  //while (ipcByte == 0)
            //                  //{
            //                  //    ipcByte = __in.ReadByte();
            //                  //    button.WithText(new { ipcByte, pos }.ToString());
            //                  //    pos++;
            //                  //}

            //                  button.WithText(
            //                   File.ReadAllText(this.getFilesDir().getAbsolutePath() + "/MemoryFile-foo0")
            //                 );

            //              };

            //          // cached backgroun process?
            //          // switching to another process.. easy...
            //          //activity.startActivity(intent);
            //          activity.startActivityForResult(intent, requestCode: 0x14);

            //      }
            //);

            //  //var s = new SemaphoreSlim(0);

            //  ////java.lang.Object, rt
            //  ////enter async { ManagedThreadId = 1 }
            //  ////awaiting for SemaphoreSlim{ ManagedThreadId = 1 }
            //  ////after delay{ ManagedThreadId = 8 }
            //  ////http://127.0.0.1:8080
            //  ////{ fileName = http://127.0.0.1:8080 }
            //  ////enter catch { mname = <0032> nop.try } ClauseCatchLocal:
            //  ////{ Message = , StackTrace = java.lang.RuntimeException
            //  ////        at ScriptCoreLibJava.BCLImplementation.System.Net.Sockets.__TcpListener.AcceptTcpClientAsync(__TcpListener.java:131)

            //  //new { }.With(
            //  //    async delegate
            //  //    {
            //  //        //System.Object, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
            //  //        //enter async { ManagedThreadId = 1 }
            //  //        //awaiting for SemaphoreSlim{ ManagedThreadId = 1 }
            //  //        //after delay{ ManagedThreadId = 4 }
            //  //        //http://127.0.0.1:8080
            //  //        //awaiting for SemaphoreSlim. done.{ ManagedThreadId = 1 }
            //  //        //--
            //  //        //accept { c = System.Net.Sockets.TcpClient, ManagedThreadId = 6 }
            //  //        //System.Object, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
            //  //        //accept { c = System.Net.Sockets.TcpClient, ManagedThreadId = 8 }
            //  //        //{ ManagedThreadId = 6, input = GET / HTTP/1.1





            //  //        // jump back to main thread..
            //  //        s.Release();
            //  //    }
            //  //);
        }
        // test via
        // X:\jsc.svn\examples\javascript\chrome\apps\ChromeUDPSendAsync\ChromeUDPSendAsync\Application.cs
        // how do we know its running?

        // x:\util\android-sdk-windows\platform-tools\adb.exe logcat -s "DEBUG" "System.Console"
        // "x:\util\android-sdk-windows\platform-tools\adb.exe" connect 192.168.1.126:5555

        // https://github.com/opersys/raidl


        // http://stackoverflow.com/questions/6274141/trigger-background-service-at-a-specific-time-in-android
        // http://stackoverflow.com/questions/7144908/how-is-an-intent-service-declared-in-the-android-manifest
        // http://developer.android.com/guide/topics/manifest/service-element.html

        //AtBootCompleted hack1;

        protected override void onCreate(global::android.os.Bundle savedInstanceState)
        {
            // http://developer.android.com/guide/topics/ui/notifiers/notifications.html

            base.onCreate(savedInstanceState);

            var sv = new ScrollView(this);
            var ll = new LinearLayout(this);

            ll.setOrientation(LinearLayout.VERTICAL);

            sv.addView(ll);

            #region startservice
            var startservice = new Button(this);
            startservice.setText("Start Service");
            startservice.AtClick(
                delegate
            {
                startservice.setEnabled(false);
                //this.ShowToast("startservice_onclick");

                //var intent = new Intent(this, NotifyService.Class);
                var intent = new Intent(this, typeof(NotifyService).ToClass());
                this.startService(intent);

                // http://developer.android.com/reference/android/app/Activity.html#recreate%28%29
                //this.recreate();
                this.finish();
            }
            );
            ll.addView(startservice);
            #endregion

            #region stopservice
            var stopservice = new Button(this);
            stopservice.setText("Stop Service");
            stopservice.AtClick(
                delegate
            {
                this.ShowToast("stopservice_onclick");

                var intent = new Intent();
                intent.setAction(NotifyService.ACTION);
                intent.putExtra("RQS", NotifyService.RQS_STOP_SERVICE);
                this.sendBroadcast(intent);

                // seems stop takes a while

                //Task.Delay(100);

                Thread.Sleep(30);

                this.recreate();
            }
            );
            ll.addView(stopservice);
            #endregion

            stopservice.setEnabled(false);

            // http://stackoverflow.com/questions/12891903/android-check-if-my-service-is-running-in-the-background
            var m = (ActivityManager)this.getSystemService(Context.ACTIVITY_SERVICE);


            Console.WriteLine("getRunningServices");

            var s = m.getRunningServices(1000);

            Console.WriteLine("getRunningServices " + s.size());

            var se = Enumerable.Range(0, s.size()).Select(i => (android.app.ActivityManager.RunningServiceInfo)s.get(i));

            foreach (var ss in se)
            {


                var cn = ss.service.getClassName();

                Console.WriteLine(new { cn });

                // I/System.Console(17713): { cn = AndroidServiceUDPNotification.Activities.NotifyService }
                if (cn == typeof(NotifyService).FullName)
                {

                    startservice.setEnabled(false);
                    stopservice.setEnabled(true);

                    // its running

                    // http://stackoverflow.com/questions/7170730/how-to-set-a-control-panel-for-my-service-in-android
                    // http://www.techques.com/question/1-7170730/How-to-set-a-control-panel-for-my-Service-in-Android
                    // http://alvinalexander.com/java/jwarehouse/android/core/java/android/app/ActivityManagerNative.java.shtml

#if XCONTROLPANEL
                    PendingIntent cp = m.getRunningServiceControlPanel(ss.service);

                    Console.WriteLine(new { cp });
                    if (cp != null)
                    {
                    #region cpb
                        var cpb = new Button(this);
                        cpb.setText("ServiceControlPanel");
                        cpb.AtClick(
                            delegate
                            {
                                //new Intent(
                                //PendingIntent.getActivity(
                                //startActivity(cp);

                                // http://iserveandroid.blogspot.com/2011/03/how-to-launch-pending-intent.html
                                Intent intent = new Intent();

                                try
                                {
                                    cp.send(this, 0, intent);
                                }
                                catch
                                {

                                    throw;
                                }

                            }
                        );
                        ll.addView(cpb);
                    }
                    #endregion
#endif



                }
            }

            this.setContentView(sv);

            this.ShowToast("http://jsc-solutions.net");


        }