C# UITextView类代码示例

        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            View.BackgroundColor = UIColor.White;

            var gameNameLabel = new UILabel(new RectangleF(10, 80, View.Frame.Width - 20, 20));
            gameNameLabel.Text = "Spartakiade Quiz";

            View.AddSubview(gameNameLabel);

            var playname = new UITextView(new RectangleF(10, 110, View.Frame.Width - 20, 20));
            playname.BackgroundColor = UIColor.Brown;

            View.AddSubview(playname);

            var btnStartGame = new UIButton(new RectangleF(10, 140, View.Frame.Width - 20, 20));
            btnStartGame.SetTitle("Start game", UIControlState.Normal);
            btnStartGame.BackgroundColor = UIColor.Blue;
            btnStartGame.TouchUpInside += delegate
            {
                NavigationController.PushViewController(new PlayGameController(playname.Text), true);
            };

            View.AddSubview(btnStartGame);
        }

	public override void ViewDidLoad ()
	{
		base.ViewDidLoad ();

		Title = "Text View";
		textView = new UITextView (View.Frame){
			TextColor = UIColor.Black,
			Font = UIFont.FromName ("Arial", 18f),
			BackgroundColor = UIColor.White,
			Text = "This code brought to you by ECMA 334, ECMA 335 and the Mono Team at Novell\n\n\nEmbrace the CIL!",
			ReturnKeyType = UIReturnKeyType.Default,
			KeyboardType = UIKeyboardType.Default,
			ScrollEnabled = true,
			AutoresizingMask = UIViewAutoresizing.FlexibleHeight,
		};

		// Provide our own save button to dismiss the keyboard
		textView.Started += delegate {
			var saveItem = new UIBarButtonItem (UIBarButtonSystemItem.Done, delegate {
				textView.ResignFirstResponder ();
				NavigationItem.RightBarButtonItem = null;
				});
			NavigationItem.RightBarButtonItem = saveItem;
		};

		View.AddSubview (textView);
	}

        public void Binding_Test1_Error()
        {
            Vm = new AccountViewModel();

#if ANDROID
            Operation = new EditText(Application.Context);
            ChildName = new EditText(Application.Context);
#elif __IOS__
            Operation = new UITextView();
            ChildName = new UITextView();
#endif

            _binding1 = this.SetBinding(
                () => Vm.FormattedOperation,
                () => Operation.Text);

            _binding2 = this.SetBinding(
                () => Vm.AccountDetails.Name,
                () => ChildName.Text,
                fallbackValue: "Fallback",
                targetNullValue: "TargetNull");

            Assert.AreEqual(AccountViewModel.EmptyText, Operation.Text);
            Assert.AreEqual(_binding2.FallbackValue, ChildName.Text);

            Vm.SetAccount();

            Assert.AreEqual(
                AccountViewModel.NotEmptyText + Vm.AccountDetails.Balance + Vm.Amount,
                Operation.Text);
            Assert.AreEqual(Vm.AccountDetails.Name, ChildName.Text);
        }

		public override void Selected (DialogViewController dvc, UITableView tableView, NSIndexPath path)
		{
			if (IsReadonly) {
				base.Selected (dvc, tableView, path);
				return;
			}

			var controller = new UIViewController ();

			UITextView disclaimerView = new UITextView (controller.View.Frame);
//			disclaimerView.BackgroundColor = UIColor.FromWhiteAlpha (0, 0);
//			disclaimerView.TextColor = UIColor.White;
//			disclaimerView.TextAlignment = UITextAlignment.Left;
			if (!string.IsNullOrWhiteSpace (Value))
				disclaimerView.Text = Value;
			else
				disclaimerView.Text = string.Empty;
			
			disclaimerView.Font = UIFont.SystemFontOfSize (16f);
			disclaimerView.Editable = true;

			controller.View.AddSubview (disclaimerView);
			controller.NavigationItem.Title = Caption;
			controller.NavigationItem.RightBarButtonItem = new UIBarButtonItem (string.IsNullOrEmpty (_saveLabel) ? "Save" : _saveLabel, UIBarButtonItemStyle.Done, (object sender, EventArgs e) => {
				if (OnSave != null)
					OnSave (this, EventArgs.Empty);
				controller.NavigationController.PopViewControllerAnimated (true);
				Value = disclaimerView.Text;
			});	

			dvc.ActivateController (controller);
		}

        public static void UiSetKeyboardEditorWithCloseButton(this UITextField txt, UIKeyboardType keyboardType)
        {
            var toolbar = new UIToolbar
            {
                BarStyle = UIBarStyle.Black,
                Translucent = true,
            };
            txt.KeyboardType = keyboardType;
            toolbar.SizeToFit();

            var text = new UITextView(new CGRect(0, 0, 200, 32))
            {
                ContentInset = UIEdgeInsets.Zero,
                KeyboardType = keyboardType,
                Text = txt.Text,
                UserInteractionEnabled = true
            };
            text.Layer.CornerRadius = 4f;
            text.BecomeFirstResponder();

            var doneButton = new UIBarButtonItem("Done", UIBarButtonItemStyle.Done,
                                 (s, e) =>
                {
                    text.ResignFirstResponder();
                    txt.ResignFirstResponder();
                });

            toolbar.UserInteractionEnabled = true;
            toolbar.SetItems(new UIBarButtonItem[] { doneButton }, true);

            txt.InputAccessoryView = toolbar;
        }

        public override void ViewDidLoad()
        {
            base.ViewDidLoad ();

            _loadDataButton = UIButton.FromType(UIButtonType.RoundedRect);
            _loadDataButton.SetTitle("Hent sanntidsdata", UIControlState.Normal);
            _loadDataButton.Frame = new RectangleF(10, 10, View.Bounds.Width - 20, 50);

            _result = new UITextView(new RectangleF(10, 70, View.Bounds.Width - 20, View.Bounds.Height - 80));
            _result.Font = UIFont.FromName("Arial", 14);
            _result.Editable = false;

            _activityIndicator = new UIActivityIndicatorView(new RectangleF(View.Bounds.Width / 2 - 20, View.Bounds.Height / 2 - 20, 40, 40));
            _activityIndicator.AutoresizingMask = UIViewAutoresizing.FlexibleBottomMargin | UIViewAutoresizing.FlexibleTopMargin | UIViewAutoresizing.FlexibleLeftMargin | UIViewAutoresizing.FlexibleRightMargin;
            _activityIndicator.ActivityIndicatorViewStyle = UIActivityIndicatorViewStyle.WhiteLarge;

            View.AddSubview(_activityIndicator);
            View.AddSubview(_loadDataButton);
            View.AddSubview(_result);

            View.BackgroundColor = UIColor.DarkGray;

            _loadDataButton.TouchUpInside += delegate(object sender, EventArgs e) {
                if(_location != null)
                {
                    _activityIndicator.StartAnimating();
                    _result.Text = "Jobber..." + Environment.NewLine + Environment.NewLine;
                    var coordinate = new GeographicCoordinate(_location.Latitude, _location.Longtitude);
                    ThreadPool.QueueUserWorkItem(o => _sanntid.GetNearbyStops(coordinate, BusStopsLoaded));
                }
            };

            _gpsService.LocationChanged = location => _location = location;
            _gpsService.Start();
        }

		public NewMessageController ()
		{
			Title = "New Post";

			NavigationItem.LeftBarButtonItem = new UIBarButtonItem (
				UIBarButtonSystemItem.Cancel,
				delegate {
					DismissModalViewControllerAnimated (true); 
				});

			NavigationItem.RightBarButtonItem = new UIBarButtonItem (
				UIBarButtonSystemItem.Save,
				delegate {
					DismissModalViewControllerAnimated (true);
					Saved (new Message {
						Id = Guid.NewGuid (),
						From = UIDevice.CurrentDevice.Name,
						Text = _text.Text,
						Time = DateTime.UtcNow,
					});
				});

			var b = View.Bounds;
			_text = new UITextView (new RectangleF (0, 0, b.Width, 200)) {
				Font = UIFont.SystemFontOfSize (20),
			};
			_text.BecomeFirstResponder ();
			View.AddSubview (_text);
		}

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();

			View.BackgroundColor = UIColor.White;

			float statusBarHeight = float.Parse(UIDevice.CurrentDevice.SystemVersion) >= 7 ?
				UIApplication.SharedApplication.StatusBarFrame.Height : 0f;
			button = new BlueButton (new RectangleF (10, 10 + statusBarHeight, 120, 120 - statusBarHeight));
			
			button.Tapped += (obj) => {
				new UIAlertView ("Tapped", "Button tapped", null, "OK", null).Show ();
			};
			
			View.AddSubview (button);
			
			
			text = new UITextView (new RectangleF (10, 100 + statusBarHeight, 300, 300 - statusBarHeight));
			text.Font = UIFont.SystemFontOfSize (14f);
			text.Editable = false;
			text.Text = "PaintCode BlueButton Example\n\n"
				+ "After the button is drawn in PaintCode then added to a UIButton subclass "
				+ "Draw() method override, some color/style properties are tweaked in code "
				+ "to create the TouchDown effect.";
			View.AddSubview (text);
			
		}

		//
		// This method is invoked when the application has loaded and is ready to run. In this 
		// method you should instantiate the window, load the UI into it and then make the window
		// visible.
		//
		// You have 17 seconds to return from this method, or iOS will terminate your application.
		//
		public override bool FinishedLaunching(UIApplication app, NSDictionary options)
		{
			window = new UIWindow(UIScreen.MainScreen.Bounds);

			var controller = new UIViewController();
			var view = new UIView (UIScreen.MainScreen.Bounds);
			view.BackgroundColor = UIColor.White;
			controller.View = view;

			controller.NavigationItem.Title = "SignalR Client";

			var textView = new UITextView(new RectangleF(0, 0, 320, view.Frame.Height - 0));
			view.AddSubview (textView);


			navController = new UINavigationController (controller);

			window.RootViewController = navController;
			window.MakeKeyAndVisible();

			var traceWriter = new TextViewWriter(SynchronizationContext.Current, textView);

			var client = new CommonClient(traceWriter);
			client.RunAsync("http://signalr-test1.cloudapp.net:82/");

			return true;
		}

		private void SetupUserInterface ()
		{
			scrollView = new UIScrollView {
				BackgroundColor = UIColor.Clear.FromHexString ("#336699", 1.0f),
				Frame = new CGRect (0, 0, Frame.Width, Frame.Height)
			};

			licensureLabel = new UILabel {
				Font = UIFont.FromName ("SegoeUI-Light", 30f),
				Frame = new CGRect (0, 20, Frame.Width, 35),
				Text = "Terms of Service",
				TextAlignment = UITextAlignment.Center,
				TextColor = UIColor.White
			};

			textView = new UITextView {
				BackgroundColor = UIColor.Clear,
				Font = UIFont.FromName ("SegoeUI-Light", 15f), 
				Frame = new CGRect (20, 50, Frame.Width - 40, Frame.Height * 1.75),
				Text = "Willie’s Cycle will assume no damage liability from the sales of used or new parts. This damage includes personal injury, property, vehicle, monetary, punitive, emotional, and mental damage. All risk and liability is assumed by the purchaser or the installer of any product sold by Willie’s Cycle. Willie’s Cycle cannot be held liable for any of the following reasons: damage to person or property, including damage or injury to driver, passenger, or any other person, animal or property damage that may occur have occurred after purchasing any product from Willie’s Cycle. Willie’s Cycle will only accept returns for parts to be used in store credit or, at our discretion. Willie’s Cycle will give refunds due to applications not being as described. Willie’s Cycle will only give credit or refund up to full purchase amount of the product. Willie’s Cycle may charge a restock fee for returned parts. This restock fee is a minimum of 20% of the purchase price. All parts are expected to have normal wear, and in no way do we consider used parts to be in any condition other than used functional parts with wear, unless otherwise noted. Any returns must be sent with return authorization. RA# may be granted by providing the following: Date of purchase, transaction number, year, model, make, and VIN number of vehicle. Returns can be rejected if purchase was made on account of buyer error. Amount of refund or credit is determined solely by Willie’s Cycle. Returned item must be received by Willie’s Cycle within 30 days of original purchase date. All returned items must be returned in the same condition as they were received.",
				TextColor = UIColor.White,
				UserInteractionEnabled = false
			};

			scrollView.ContentSize = new CGSize (Frame.Width, Frame.Height * 1.75);

			scrollView.Add (licensureLabel);
			scrollView.Add (textView);
			Add (scrollView);
		}

        public override void ViewDidLoad()
        {
            base.ViewDidLoad();
            // 建立所需的控制項
            _btnCreateDatabase = UIButton.FromType(UIButtonType.RoundedRect);
            _btnCreateDatabase.Frame = new RectangleF(10, 10, 80, 50);
            _btnCreateDatabase.SetTitle("建立数据库", UIControlState.Normal);

            _btnCreateCipherDB = UIButton.FromType(UIButtonType.RoundedRect);
            _btnCreateCipherDB.Frame = new RectangleF(100, 10, 115, 50);
            _btnCreateCipherDB.SetTitle("建立加密数据库", UIControlState.Normal);

            _btnRead = UIButton.FromType(UIButtonType.RoundedRect);
            _btnRead.Frame = new RectangleF(225, 10, 80, 50);
            _btnRead.SetTitle("读取", UIControlState.Normal);

            _txtView = new UITextView(new RectangleF(10, 90, 300, 350));
            _txtView.Editable = false;
            _txtView.ScrollEnabled = true;

            _btnCreateDatabase.TouchUpInside += HandleTouchUpInside;
            _btnCreateCipherDB.TouchUpInside += _btnCreateCipherDB_TouchUpInside;
            _btnRead.TouchUpInside += _btnRead_TouchUpInside;
            Add(_btnCreateDatabase);
            Add(_btnCreateCipherDB);
            Add(_btnRead);
            Add(_txtView);
        }

        public void RenderStream(System.IO.Stream stream)
        {
            var reader = new System.IO.StreamReader(stream);

            ad.InvokeOnMainThread(delegate
            {
                var view = new UIViewController();
                var label = new UILabel(new RectangleF(20, 20, 300, 80))
                {
                    Text = "The HTML returned by the server:"
                };
                var tv = new UITextView(new RectangleF(20, 100, 300, 400))
                {
                    Text = reader.ReadToEnd()
                };
                view.Add(label);
                view.Add(tv);

                Console.WriteLine(tv.Text);

                if (UIDevice.CurrentDevice.CheckSystemVersion(7, 0))
                {
                    view.EdgesForExtendedLayout = UIRectEdge.None;
                }

                ad.NavigationController.PushViewController(view, true);
            });
        }

        public override void ViewDidLoad()
        {
            base.ViewDidLoad();
            Title = "Export";
            View.BackgroundColor = UIColor.GroupTableViewBackgroundColor;

            // Export textbox
            _textFieldExport = new UITextView();
            _textFieldExport.Frame = new RectangleF(10, 15, 300, 200);
            View.AddSubview(_textFieldExport);

            // Help label
            _labelHelp = new UILabel();
            _labelHelp.Text = "The questions are exported in comma separated format (CSV), e.g.:" +
                "\n\n" +
                "category name,question,answer\n\n" +
                "A tilde is used (~) as a replacement for any comma. Use the standard iPhone/iTouch clipboard copy " +
                "feature to save the list.";
            _labelHelp.Font = UIFont.SystemFontOfSize(14f);
            _labelHelp.TextColor = UIColor.DarkGray;
            _labelHelp.Frame = new RectangleF(15, 235, 295, 150);
            _labelHelp.BackgroundColor = UIColor.Clear;
            _labelHelp.Lines = 10;
            View.AddSubview(_labelHelp);

            // Hide the toolbar.
            NavigationController.SetToolbarHidden(true, true);
            NavigationItem.HidesBackButton = false;
        }

        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            // Figure out where the SQLite database will be.
            var documents = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
            _pathToDatabase = Path.Combine(documents, "db_sqlite-net.db");

            // Create the buttons and TextView to run the sample code
            _btnCreateDatabase = UIButton.FromType(UIButtonType.RoundedRect);
            _btnCreateDatabase.Frame = new CGRect(10, 10, 145, 50);
            _btnCreateDatabase.SetTitle("Create Database", UIControlState.Normal);

            _btnInsertUser = UIButton.FromType(UIButtonType.RoundedRect);
            _btnInsertUser.Frame = new CGRect(165, 10, 145, 50);
            _btnInsertUser.SetTitle("Insert User", UIControlState.Normal);
            _btnInsertUser.Enabled = false;  // Disable the button. It will be enabled when the database is created.

            _txtView = new UITextView(new CGRect(10, 90, 300, 350));
            _txtView.Editable = false;
            _txtView.ScrollEnabled = true;

            _btnCreateDatabase.TouchUpInside += HandleTouchUpInsideForCreateDatabase;

            Add(_btnCreateDatabase);
            Add(_btnInsertUser);
            Add(_txtView);
        }

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();
			_statusTextView = new UITextView ();
			_emailTextView = new UITextView ();
			_createTopicButton = UIButton.FromType (UIButtonType.RoundedRect);
			_subscribeButton = UIButton.FromType (UIButtonType.RoundedRect);
			_deleteTopicButton = UIButton.FromType (UIButtonType.RoundedRect);

			_createTopicButton.SetTitle ("Create Topic", UIControlState.Normal);
			_subscribeButton.SetTitle ("Subscribe", UIControlState.Normal);
			_deleteTopicButton.SetTitle ("Delete Topic", UIControlState.Normal);

			_createTopicButton.TouchUpInside += createTopic_Click;
			_subscribeButton.TouchUpInside += subscribe_Click;
			_deleteTopicButton.TouchUpInside += deleteTopic_Click;

			_emailTextView.Delegate = new EmailTextViewDelegate ();

			_statusTextView.Frame = new RectangleF (0, 256, 256, 64);
			_emailTextView.Frame = new RectangleF (0, 0, 256, 64);
			_createTopicButton.Frame = new RectangleF (0, 64, 256, 64);
			_subscribeButton.Frame = new RectangleF (0, 128, 256, 64);
			_deleteTopicButton.Frame = new RectangleF (0, 192, 256, 64);

			this.View.AddSubview (_emailTextView);
			this.View.AddSubview (_createTopicButton);
			this.View.AddSubview (_subscribeButton);
			this.View.AddSubview (_deleteTopicButton);
			this.View.AddSubview (_statusTextView);
		}