C# Intent.PutExtra方法代码示例

		private void InitView()
		{
			//设置标题栏
			var img_header_back = FindViewById<ImageView> (Resource.Id.img_header_back);
			img_header_back.Click += (sender, e) => 
			{
				SetResult(Result.Canceled);
				this.Finish();
				OverridePendingTransition(Android.Resource.Animation.SlideInLeft,Android.Resource.Animation.SlideOutRight);
			};
			var tv_back = FindViewById<TextView> (Resource.Id.tv_back);
			tv_back.Text = "关闭";
			var tv_desc = FindViewById<TextView> (Resource.Id.tv_desc);
			tv_desc.Text = "收费设置";
			//获取serviceType值
			serviceType = Intent.GetIntExtra("serviceType",0);
			//确定按钮
			btn_Confirm = FindViewById<Button> (Resource.Id.btn_Confirm);
			btn_Confirm.Click += (sender, e) => 
			{
				chargeYHour = edit_YHour.Text;
				chargeYDay = edit_YDay.Text;
				var intent = new Intent();
				intent.PutExtra("chargeYHour",chargeYHour);
				intent.PutExtra("chargeYDay",chargeYDay);
				//todo:调用webservice提交服务器
				SetResult(Result.Ok,intent);
				this.Finish();
			};

		}

		protected override void OnCreate (Bundle bundle)
		{
			base.OnCreate (bundle);

			// Set our view from the "main" layout resource
			SetContentView (Resource.Layout.Main);

			// Get our button from the layout resource,
			// and attach an event to it
			var registerButton = FindViewById<Button> (Resource.Id.registerButton);
			var unregisterButton = FindViewById<Button> (Resource.Id.unregisterButton);
			
			registerButton.Click += delegate {
				const string senders = "<Google Cloud Messaging Sender ID>";
				var intent = new Intent("com.google.android.c2dm.intent.REGISTER");
				intent.SetPackage("com.google.android.gsf");
				intent.PutExtra("app", PendingIntent.GetBroadcast(this, 0, new Intent(), 0));
				intent.PutExtra("sender", senders);
				StartService(intent);
			};

			unregisterButton.Click += delegate {
				var intent = new Intent("com.google.android.c2dm.intent.UNREGISTER");
				intent.PutExtra("app", PendingIntent.GetBroadcast(this, 0, new Intent(), 0));
				StartService(intent);
			};
		}

		private void InitView()
		{
			//设置标题栏
			var img_header_back = FindViewById<ImageView> (Resource.Id.img_header_back);
			img_header_back.Click += (sender, e) => 
			{
				SetResult(Result.Canceled);
				this.Finish();
				OverridePendingTransition(Android.Resource.Animation.SlideInLeft,Android.Resource.Animation.SlideOutRight);
			};
			var tv_back = FindViewById<TextView> (Resource.Id.tv_back);
			tv_back.Text = "返回";
			var tv_desc = FindViewById<TextView> (Resource.Id.tv_desc);
			tv_desc.Text = "选择银行卡";
			lv_bankType = FindViewById<ListView> (Resource.Id.lv_bankType);
			bankCardInfoListAdapter = new BankCardInfoListAdapter (this);

			lv_bankType.Adapter = bankCardInfoListAdapter;
			//设置滑动listview停止加载图片
			lv_bankType.SetOnScrollListener (new PauseOnScrollListener(Global.imageLoader,false,false));
			lv_bankType.SetSelector (Resource.Color.red);//设置被选中项颜色为红
			LoadTypeData ();
			//点击列表详细
			lv_bankType.ItemClick += (object sender, AdapterView.ItemClickEventArgs e) => 
			{
				var intent = new Intent();
				intent.PutExtra("choosebankTypeId",bankCardInfoListAdapter.GetItem(e.Position).BankCardTypeId);
				intent.PutExtra("choosebankImgUrl",bankCardInfoListAdapter.GetItem(e.Position).BankCardImageUrl);
				SetResult(Result.Ok,intent);
				this.Finish();
			};


		}

        public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
        {
            View rootView = inflater.Inflate(Resource.Layout.CheckinsFragment, container, false);

            listViewMovies = rootView.FindViewById<ListView> (Resource.Id.listViewMovies);

            adapter = new MoviesAdapter (Activity);
            listViewMovies.Adapter = adapter;

            listViewMovies.ItemClick += (object sender, AdapterView.ItemClickEventArgs e) => {
                Movie movie = adapter.GetMovie(e.Position);

                Intent intent = new Intent (Activity, typeof(MovieActivity));
                intent.PutExtra("movieId", movie.Id);
                intent.PutExtra("mode", "info");

                StartActivity(intent);
            };

            listViewMovies.ItemLongClick += delegate(object sender, AdapterView.ItemLongClickEventArgs e) {
                DeleteMovieDialogFragment dialog = new DeleteMovieDialogFragment();
                dialog.Movie = adapter.GetMovie(e.Position);

                dialog.Show(FragmentManager, "DeleteMovieDialogFragment");
            };

            movies = new CheckinShared.MovieDB ();
            checkins = new CheckinShared.CheckinDB ();

            // Toast.MakeText(Activity, movies.Count() + " películas en tu colección", ToastLength.Long).Show();

            RefreshList ();

            return rootView;
        }

 private void StartImagePagerActivity(int position)
 {
     Intent intent = new Intent(Activity, typeof(SimpleImageActivity));
     intent.PutExtra(Constants.Extra.FRAGMENT_INDEX, ImagePagerFragment.INDEX);
     intent.PutExtra(Constants.Extra.IMAGE_POSITION, position);
     StartActivity(intent);
 }

 public static void SendBroadcastForToastMessage(Context context, string messageToToast)
 {
     var toastIntent = new Intent(AppConstants.APPLICATION_COMMAND);
     toastIntent.PutExtra(AppConstants.COMMAND_TYPE_ID, (int)AppConstants.ApplicationCommandType.ShowToastMessage);
     toastIntent.PutExtra(AppConstants.TOAST_MESSAGE_KEY, messageToToast);
     context.SendBroadcast(toastIntent);
 }

        void OnConnect(object sender, EventArgs args)
        {
            var streamIntent = new Intent (this, typeof (GLActivity));
            streamIntent.PutExtra("HostName", hostNameTextEdit.Text);

            int port;
            if (!int.TryParse (portTextEdit.Text, out port))
            {
                new AlertDialog.Builder(this).SetMessage("Incorrect port").Show();
                return;
            }
            streamIntent.PutExtra("Port", port);

            double bufferingOffset;
            if (!double.TryParse(bufferingOffsetTextEdit.Text, out bufferingOffset))
            {
                new AlertDialog.Builder(this).SetMessage("Incorrect buffering offset").Show();
                return;
            }
            streamIntent.PutExtra("BufferingOffset", bufferingOffset);

            streamIntent.PutExtra("ShowDebugInfo", showDebugInfoCheckBox.Checked);

            StartActivity(streamIntent);
        }

		public override void OnBindViewHolder (RecyclerView.ViewHolder holder, int position)
		{
			NewsAdapterWrapper Myholder = holder as NewsAdapterWrapper;
			Myholder.Titulo.Text = mPublicaciones [position].Titulo;
			Myholder.Subtitulo.Text = mPublicaciones [position].Subtitulo;
			Myholder.Fecha.Text = mPublicaciones [position].FechaPublicacion.ToString ();
			Koush.UrlImageViewHelper.SetUrlDrawable (Myholder.Imagen, mPublicaciones [position].Imagen.ToString ());
			Myholder.Detalle.Visibility = ViewStates.Gone;
			Myholder.Imagen.Click += (object sender, EventArgs e) => 
			{
				Intent IntentNews = new Intent(this.mContext,typeof(NewsDetailActivity));
				IntentNews.PutExtra ("TituloDetalle", mPublicaciones [position].Titulo);
				IntentNews.PutExtra ("SubtituloDetalle", mPublicaciones [position].Subtitulo);
				IntentNews.PutExtra ("FechaDetalle", mPublicaciones [position].FechaPublicacion.ToString ());
				IntentNews.PutExtra ("ContenidoDetalle", mPublicaciones [position].Contenido.Trim ());
				IntentNews.PutExtra ("ImagenDetalle", mPublicaciones [position].Imagen.ToString ());

				this.mContext.StartActivity (IntentNews);
			};
//			Myholder.Detalle.Click += (object sender, EventArgs e) => 
//			{
//				Intent IntentNews = new Intent(this.mContext,typeof(NewsDetailActivity));
//				IntentNews.PutExtra ("TituloDetalle", mPublicaciones [position].Titulo);
//				IntentNews.PutExtra ("SubtituloDetalle", mPublicaciones [position].Subtitulo);
//				IntentNews.PutExtra ("FechaDetalle", mPublicaciones [position].FechaPublicacion.ToString ());
//				IntentNews.PutExtra ("ContenidoDetalle", mPublicaciones [position].Contenido.Trim ());
//				IntentNews.PutExtra ("ImagenDetalle", mPublicaciones [position].Imagen.ToString ());
//				this.mContext.StartActivity (IntentNews);
//			};
		}

 void GoMainActivity()
 {
     var intent = new Intent(this, typeof(MainActivity));
     intent.PutExtra("Name", m_name.Text);
     intent.PutExtra("Pass", m_pass.Text);
     StartActivity(intent);
 }

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate (bundle);
            SetContentView (Resource.Layout.Itens);

            List<ItemPedido> itensPedido = new List<ItemPedido>();
            EditText nome = FindViewById<EditText> (Resource.Id.et_nome);
            EditText preco = FindViewById<EditText> (Resource.Id.et_preco);
            EditText quantidade = FindViewById<EditText> (Resource.Id.et_quantidade);
            Button addItem = FindViewById<Button> (Resource.Id.bt_adicionar_item);
            Button finalizar = FindViewById<Button> (Resource.Id.bt_finalizar);
            ListView itens = FindViewById<ListView> (Resource.Id.list_item);
            float total = 0;

            addItem.Click += (object sender, EventArgs e) => {
                if (nome.Text.Trim() == "" && preco.Text.Trim() == "" && quantidade.Text.Trim() == ""){
                    Toast.MakeText(this, "Preencha os campos acima", ToastLength.Long).Show();
                } else {
                    itensPedido.Add(new ItemPedido(nome.Text, float.Parse(preco.Text), int.Parse(quantidade.Text), 1));
                    itens.Adapter = new AdapterItensMain (this, itensPedido);
                    total =  total + (float.Parse(preco.Text) * int.Parse(quantidade.Text));
                }
            };

            finalizar.Click += (object sender, EventArgs e) => {
                itens.Adapter = new AdapterItens (this, itensPedido);
                Intent intent = new Intent(this, typeof(MainActivity));
                intent.PutExtra("itens", JsonConvert.SerializeObject(itensPedido));
                intent.PutExtra("total", total.ToString());
                StartActivity(intent);
                Finish();
            };
        }

        public void AddEvent(string name, DateTime startTime, DateTime endTime)
        {
            Intent intent = new Intent(Intent.ActionInsert);
            intent.SetData(Android.Provider.CalendarContract.Events.ContentUri);

            // Add Event Details
            intent.PutExtra(Android.Provider.CalendarContract.ExtraEventBeginTime, DateTimeJavaDate(startTime));
            intent.PutExtra(Android.Provider.CalendarContract.ExtraEventEndTime, DateTimeJavaDate(endTime));
            intent.PutExtra(Android.Provider.CalendarContract.EventsColumns.AllDay, false);
            //			intent.PutExtra(Android.Provider.CalendarContract.EventsColumns.EventLocation, ""); TODO: event location
            intent.PutExtra(Android.Provider.CalendarContract.EventsColumns.Description, "UTS:HELPS Workshop");
            intent.PutExtra(Android.Provider.CalendarContract.EventsColumns.Title, name);

            // open "Add to calendar" screen
            Forms.Context.StartActivity(intent);

            //			TODO: add event directly
            //			https://github.com/xamarin/monodroid-samples/blob/master/CalendarDemo/EventListActivity.cs
            //
            //			ContentValues eventValues = new ContentValues ();
            //			eventValues.Put (CalendarContract.Events.InterfaceConsts.CalendarId, ?? ?);
            //			eventValues.Put (CalendarContract.Events.InterfaceConsts.Title, "Test Event");
            //			eventValues.Put (CalendarContract.Events.InterfaceConsts.Description, "This is an event created from Mono for Android");
            //			eventValues.Put (CalendarContract.Events.InterfaceConsts.Dtstart, GetDateTimeMS (2011, 12, 15, 10, 0));
            //			eventValues.Put (CalendarContract.Events.InterfaceConsts.Dtend, GetDateTimeMS (2011, 12, 15, 11, 0));
            //
            //			eventValues.Put(CalendarContract.Events.InterfaceConsts.EventTimezone, "UTC");
            //			eventValues.Put(CalendarContract.Events.InterfaceConsts.EventEndTimezone, "UTC");
            //
            //			var uri = ContentResolver.Insert (CalendarContract.Events.ContentUri, eventValues);
            //			Console.WriteLine ("Uri for new event: {0}", uri);
        }

		void OnSaveClick(object sender, EventArgs e)
		{
			//
			// Retrieve the values the user entered into the UI
			//
			string name  = FindViewById<EditText>(Resource.Id.nameInput).Text;
			int    count = int.Parse(FindViewById<EditText>(Resource.Id.countInput).Text);

			var intent = new Intent();

			//
			// Load the new data into an Intent for transport back to the Activity that started this one.
			//
			intent.PutExtra("ItemName",  name );
			intent.PutExtra("ItemCount", count);

			//
			// Send the result code and data back (this does not end the current Activity)
			//
			SetResult(Result.Ok, intent);

			//
			// End the current Activity.
			//
			Finish();
		}

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);
            SDKInitializer.Initialize(ApplicationContext);
            GetLocation();
            // Set our view from the "main" layout resource
            SetContentView(Resource.Layout.Main);

          
            var hotelListView = FindViewById<ListView>(Resource.Id.HotelListView);

            BindHotelView(this, hotelListView);

            hotelListView.ItemClick += (sender, args) =>
            {
                var postion = args.Position;
                var item = (HotelEntity)args.Parent.GetItemAtPosition(postion);

                var intent = new Intent(this, typeof(DetailsActivity));
                //设置意图传递的参数
                //intent.PutExtra("HOTELENTITY", item);
                intent.PutExtra("Name", item.Name);
                intent.PutExtra("Latitude", item.Latitude);
                intent.PutExtra("Longitude", item.Longitude);

                StartActivity(intent);
            };
        }

        public void ComposeEmail(
            IEnumerable<string> to, IEnumerable<string> cc, string subject,
            string body, bool isHtml,
            IEnumerable<EmailAttachment> attachments)
        {
            // http://stackoverflow.com/questions/2264622/android-multiple-email-attachments-using-intent
            var emailIntent = new Intent(Intent.ActionSendMultiple);

            if (to != null)
            {
                emailIntent.PutExtra(Intent.ExtraEmail, to.ToArray());
            }
            if (cc != null)
            {
                emailIntent.PutExtra(Intent.ExtraCc, cc.ToArray());
            }
            emailIntent.PutExtra(Intent.ExtraSubject, subject ?? string.Empty);

            body = body ?? string.Empty;

            if (isHtml)
            {
                emailIntent.SetType("text/html");
                emailIntent.PutExtra(Intent.ExtraText, Html.FromHtml(body));
            }
            else
            {
                emailIntent.SetType("text/plain");
                emailIntent.PutExtra(Intent.ExtraText, body);
            }

            var attachmentList = attachments as IList<EmailAttachment> ?? attachments.ToList();
            if (attachmentList.Any())
            {
                var uris = new List<IParcelable>();

                DoOnActivity(activity =>
                {
                    foreach (var file in attachmentList)
                    {
                        var fileWorking = file;
                        File localfile;
                        using (var localFileStream = activity.OpenFileOutput(
                            fileWorking.FileName, FileCreationMode.WorldReadable))
                        {
                            localfile = activity.GetFileStreamPath(fileWorking.FileName);
                            fileWorking.Content.CopyTo(localFileStream);
                        }
                        localfile.SetReadable(true, false);
                        uris.Add(Uri.FromFile(localfile));
                        localfile.DeleteOnExit(); // Schedule to delete file when VM quits.
                    }
                });

                emailIntent.PutParcelableArrayListExtra(Intent.ExtraStream, uris);
            }

            // fix for GMail App 5.x (File not found / permission denied when using "StartActivity")
            StartActivityForResult(0, Intent.CreateChooser(emailIntent, string.Empty));
        }

        void ProcessHttpRequest (HttpListenerContext context)
        {
            try {
                string barcodeFormatStr = context.Request?.QueryString? ["format"] ?? "QR_CODE";
                string barcodeValue = context?.Request?.QueryString? ["value"] ?? "";
                string barcodeUrl = context?.Request?.QueryString? ["url"] ?? "";

                // Pass along the querystring values
                var intent = new Android.Content.Intent (this, typeof (MainActivity));
                intent.PutExtra ("FORMAT", barcodeFormatStr);
                intent.PutExtra ("VALUE", barcodeValue);
                intent.PutExtra ("URL", barcodeUrl);
                intent.AddFlags (ActivityFlags.NewTask);

                // Start the activity to show the values
                StartActivity (intent);

                // Return a success 
                context.Response.StatusCode = (int)HttpStatusCode.OK;
                context.Response.StatusDescription = "OK";
                context.Response.Close ();

            } catch (Exception e) {
                Console.WriteLine ("Error " + e.Message);

                context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
                context.Response.Close ();
            }
        }