C# UIView.AddGestureRecognizer方法代码示例

 /**
  * Locates all textfields in the given view and registers a handler to dismiss the keyboard when the user clicks 'Done'
  */
 public static void RegisterKeyboardDismissalHandler(UIView view)
 {
     UITapGestureRecognizer gesture = new UITapGestureRecognizer(() => view.EndEditing(true));
     gesture.CancelsTouchesInView = false; //for iOS5. Otherwise events will not be fired on other controls.
     view.AddGestureRecognizer(gesture);
     RegisterKeyboardDoneHandlers (view);
 }

        protected void AddGestureRecognizer(UIView target, UIGestureRecognizer tap)
        {
            if (!target.UserInteractionEnabled)
                target.UserInteractionEnabled = true;

            target.AddGestureRecognizer(tap);
        }

        public override void ViewDidLoad()
        {
            View = new UIView { BackgroundColor = UIColor.White };
            base.ViewDidLoad();

            // ios7 layout
            if (RespondsToSelector(new Selector("edgesForExtendedLayout")))
               EdgesForExtendedLayout = UIRectEdge.None;

            var textField = new UITextField(new CGRect(10, 10, 240, 40));
            Add(textField);

            var button = UIButton.FromType(UIButtonType.System);
            button.Frame = new CGRect(260, 10, 50, 40);
            button.SetTitle("Search", UIControlState.Normal);
            Add(button);

            var table = new UITableView(new CGRect(0, 50, 320, 430));
            Add(table);
            var source = new MvxStandardTableViewSource(table, "TitleText Title");
            table.Source = source;

            var set = this.CreateBindingSet<FirstView, FirstViewModel>();
            set.Bind(textField).To(vm => vm.MovieName);
            set.Bind(button).To(vm => vm.UpdateCommand);
            set.Bind(source).To(vm => vm.FoundMovies);
            set.Bind(source).For(s => s.SelectionChangedCommand).To(vm => vm.ItemSelectedCommand);
            set.Apply();

            View.AddGestureRecognizer(new UITapGestureRecognizer(() => textField.ResignFirstResponder()) {CancelsTouchesInView = false});
        }

        public override void ViewDidLoad()
        {
            View = new UIView(){ BackgroundColor = UIColor.White};
            base.ViewDidLoad();

            // ios7 layout
            if (RespondsToSelector(new Selector("edgesForExtendedLayout")))
                EdgesForExtendedLayout = UIRectEdge.None;


            var label = new ShapeLabel(new RectangleF(10, 10, 300, 40));
            Add(label);
            var textField = new UITextField(new RectangleF(10, 50, 300, 40));
            Add(textField);
            var shapeView = new ShapeView(new RectangleF(60, 90, 200, 200));
            Add(shapeView);

            var picker = new UIPickerView();
            var pickerViewModel = new MvxPickerViewModel(picker);
            picker.Model = pickerViewModel;
            picker.ShowSelectionIndicator = true;
            textField.InputView = picker;

            var set = this.CreateBindingSet<FirstView, Core.ViewModels.FirstViewModel>();
            set.Bind(label).For(s => s.TheShape).To(vm => vm.Shape);
            set.Bind(textField).To(vm => vm.Shape);
            set.Bind(pickerViewModel).For(p => p.ItemsSource).To(vm => vm.List);
            set.Bind(pickerViewModel).For(p => p.SelectedItem).To(vm => vm.Shape);
            set.Bind(shapeView).For(s => s.TheShape).To(vm => vm.Shape);
            set.Apply();

            var g = new UITapGestureRecognizer(() => textField.ResignFirstResponder());
            View.AddGestureRecognizer(g);
        }

        public override void ViewDidLoad()
        {
            View = new UIView {BackgroundColor = UIColor.White};
            NavigationItem.Title = "Search Movies";

            base.ViewDidLoad ();

            UITextField keywordView = CreateAndAddKeywordView();
            UIButton searchButton = CreateAndAddSearchButton();
            UITableView tableView = CreateAndAddTableView();

            var source = new MvxStandardTableViewSource(tableView, "TitleText title;");
            var bindingSet = this.CreateBindingSet<FirstView, FirstViewModel>();
            bindingSet.Bind(source).To(viewModel => viewModel.Movies);
            bindingSet.Bind(keywordView).To(viewModel => viewModel.Keyword);
            bindingSet.Bind(searchButton).To(viewModel => viewModel.SearchCommand);
            bindingSet.Bind(source).For(x => x.SelectionChangedCommand).To(viewModel => viewModel.ShowDetailCommand);
            bindingSet.Apply();

            tableView.Source = source;
            tableView.ReloadData();

            var responder = new UITapGestureRecognizer (() => keywordView.ResignFirstResponder ());
            responder.CancelsTouchesInView = false;
            View.AddGestureRecognizer(responder);
        }

		public TapGestureAttacher (UIView view, int tapCount, Action handler)
		{
			var tap = new UITapGestureRecognizer (handler);
			tap.NumberOfTapsRequired = (uint)tapCount;

			view.AddGestureRecognizer (tap);
		}

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

			view1 = new UIImageView (UIImage.FromFile ("monkey1.png")) {
				Frame = View.Frame,
				ContentMode = UIViewContentMode.ScaleAspectFit
			};
			View.AddSubview (view1);
			
			view2 = new UIImageView (UIImage.FromFile ("monkey2.png")) {
				Frame = View.Frame,
				ContentMode = UIViewContentMode.ScaleAspectFit
			};

			view1.UserInteractionEnabled = true;

			view1.AddGestureRecognizer (new UITapGestureRecognizer (() => { 
				UIView.Transition (
					fromView: view1,
					toView: view2,
					duration: 2,
					options: UIViewAnimationOptions.TransitionFlipFromTop | UIViewAnimationOptions.CurveEaseInOut,
					completion: () => { Console.WriteLine ("transition complete"); });
			}));


		    
		}

		public override void ViewDidLoad()
		{
			base.ViewDidLoad ();
			View.BackgroundColor = UIColor.White;

			fromView = new UIImageView (UIImage.FromFile ("monkey1.png")) {
				Frame = View.Frame,
				ContentMode = UIViewContentMode.ScaleAspectFit,
				UserInteractionEnabled = true
			};
			View.AddSubview (fromView);

			toView = new UIImageView (UIImage.FromFile ("monkey2.png")) {
				Frame = View.Frame,
				ContentMode = UIViewContentMode.ScaleAspectFit,
				UserInteractionEnabled = true
			};
			View.AddSubview (fromView);

			var options = UIViewAnimationOptions.TransitionFlipFromTop | UIViewAnimationOptions.CurveEaseInOut;
			fromView.AddGestureRecognizer (new UITapGestureRecognizer (() => UIView.Transition (fromView, toView, 2, options, () => Console.WriteLine ("transition complete"))));

			toView.AddGestureRecognizer (new UITapGestureRecognizer (() => {
				var initalViewController = (ViewController)MainStoryboard.InstantiateViewController("InitalViewController");
				initalViewController.ModalTransitionStyle = UIModalTransitionStyle.CrossDissolve;
				PresentViewController(initalViewController, true, null);
			}));
		}

		void EnsureFilterPanelCreated()
		{
			if (null == _filterOptions)
			{
				_overlay = new UIView();
				_overlay.AddGestureRecognizer(new UITapGestureRecognizer(ToggleFilterPanel));
				_overlay.Frame = new RectangleF(PointF.Empty, View.Frame.Size);
				_filterOptions = new UIPickerView();
				_filterOptions.BackgroundColor = UIColor.White;
				_overlay.AddSubview(_filterOptions);
				_filterModel = new MvxPickerViewModel(_filterOptions);
				_filterModel.ItemsSource = new[] {
					"Alle",
					"Bøker",
					"CDer",
					"Filmer",
					"Journaler",
					"Lydbøker",
					"Noter",
					"Spill",
					"Annet"
				};
				_filterModel.SelectedItem = "Alle";
				_filterModel.SelectedItemChanged += HandleFilterChanged;
				_filterOptions.Model = _filterModel;
			}
		}

        public RangeSlider()
        {
            _background = new UIView();
            _background.BackgroundColor = UIColor.LightGray;

            _range = new UIView();
            _range.BackgroundColor = UIColor.Blue;

            _leftIndicator = CreateIndicator();
            _leftIndicatorGesture = new UIPanGestureRecognizer(OnPan);

            _rightIndicator = CreateIndicator();
            _rightIndicatorGesture = new UIPanGestureRecognizer(OnPan);

            _leftTouchArea = new UIView();
            _leftTouchArea.BackgroundColor = UIColor.Clear;
            _leftTouchArea.AddGestureRecognizer(_leftIndicatorGesture);

            _rightTouchArena = new UIView();
            _rightTouchArena.BackgroundColor = UIColor.Clear;
            _rightTouchArena.AddGestureRecognizer(_rightIndicatorGesture);

            AddSubview(_background);
            AddSubview(_range);
            AddSubview(_leftIndicator);
            AddSubview(_rightIndicator);
            AddSubview(_leftTouchArea);
            AddSubview(_rightTouchArena);
        }

        public override void ViewDidLoad()
        {
            View = new UIView(){ BackgroundColor = UIColor.White};
            base.ViewDidLoad();

            // ios7 layout
            if (RespondsToSelector(new Selector("edgesForExtendedLayout")))
                EdgesForExtendedLayout = UIRectEdge.None;

            var binaryEdit = new BinaryEdit(new RectangleF(10, 70, 300, 120));
            Add(binaryEdit);
            var textField = new UITextField(new RectangleF(10, 190, 300, 40));
            Add(textField);
            var nicerBinaryEdit = new NicerBinaryEdit(new RectangleF(10, 260, 300, 120));
            Add(nicerBinaryEdit);

            var set = this.CreateBindingSet<FirstView, Core.ViewModels.FirstViewModel>();
            // to remove the need for `For("N28")` see Setup.FillBindingNames
            set.Bind(binaryEdit).For("N28").To(vm => vm.Counter);
            set.Bind(textField).To(vm => vm.Counter);
            // to remove the need for `For(be => be.MyCount)` see Setup.FillBindingNames
            set.Bind(nicerBinaryEdit).For(be => be.MyCount).To(vm => vm.Counter);
            set.Apply();

            var tap = new UITapGestureRecognizer(() => textField.ResignFirstResponder());
            View.AddGestureRecognizer(tap);
        }

        public override void ViewDidLoad()
        {
            View = new UIView(){ BackgroundColor = UIColor.White};
            base.ViewDidLoad();

            // ios7 layout
            if (RespondsToSelector(new Selector("edgesForExtendedLayout")))
                EdgesForExtendedLayout = UIRectEdge.None;

            var textFieldTitle = new UITextField(new RectangleF(10, 10, 300, 30));
            Add(textFieldTitle);
            var picker = new UIPickerView();
            var pickerViewModel = new MvxPickerViewModel(picker);
            picker.Model = pickerViewModel;
            picker.ShowSelectionIndicator = true; 
            textFieldTitle.InputView = picker;

            var textFieldFirstName = new UITextField(new RectangleF(10, 40, 300, 30));
            Add(textFieldFirstName);
            var textFieldLastName = new UITextField(new RectangleF(10, 70, 300, 30));
            Add(textFieldLastName);
            var acceptedLabel = new UILabel(new RectangleF(10, 100, 200, 30));
            acceptedLabel.Text = "Accepted?";
            Add(acceptedLabel);
            var accepted = new UISwitch(new RectangleF(210, 100, 100, 30));
            Add(accepted);
            var add = new UIButton(UIButtonType.RoundedRect);
            add.SetTitle("Add", UIControlState.Normal);
            add.TintColor = UIColor.Purple;
            add.Frame = new RectangleF(10,130,300,30);
            Add(add);

            var table = new UITableView(new RectangleF(10, 160, 300, 300));
            Add(table);
            var source = new MvxStandardTableViewSource(table, "TitleText FirstName");
            table.Source = source;

            var set = this.CreateBindingSet<FirstView, Core.ViewModels.FirstViewModel>();
            set.Bind(textFieldFirstName).To(vm => vm.FirstName);
            set.Bind(textFieldLastName).To(vm => vm.LastName);
            set.Bind(pickerViewModel).For(p => p.ItemsSource).To(vm => vm.Titles);
            set.Bind(pickerViewModel).For(p => p.SelectedItem).To(vm => vm.Title);
            set.Bind(textFieldTitle).To(vm => vm.Title);
            set.Bind(accepted).To(vm => vm.Accepted);
            set.Bind(add).To("Add");
            set.Bind(source).To(vm => vm.People);
            set.Apply();

            var tap = new UITapGestureRecognizer(() =>
                {
                    foreach (var view in View.Subviews)
                    {
                        var text = view as UITextField;
                        if (text != null)
                            text.ResignFirstResponder();
                    }
                });
            View.AddGestureRecognizer(tap);
        }

		public FirstResponderResigner (UIView view, UIControl control)
		{
			this.control = control;

			var tap = new UITapGestureRecognizer (() => {
				control.ResignFirstResponder ();
			});
			tap.NumberOfTapsRequired = 1;

			view.AddGestureRecognizer (tap);
		}

        public Easter(UIView viewForGestures, params Egg[] eggs)
            : base(eggs)
        {
            swipeUp = new UISwipeGestureRecognizer (() => AddCommand (new SwipeUpCommand()));
            swipeUp.Direction = UISwipeGestureRecognizerDirection.Up;
            viewForGestures.AddGestureRecognizer (swipeUp);

            swipeDown = new UISwipeGestureRecognizer (() => AddCommand (new SwipeDownCommand()));
            swipeDown.Direction = UISwipeGestureRecognizerDirection.Down;
            viewForGestures.AddGestureRecognizer (swipeDown);

            swipeLeft = new UISwipeGestureRecognizer (() => AddCommand (new SwipeLeftCommand()));
            swipeLeft.Direction = UISwipeGestureRecognizerDirection.Left;
            viewForGestures.AddGestureRecognizer (swipeLeft);

            swipeRight = new UISwipeGestureRecognizer (() => AddCommand (new SwipeRightCommand()));
            swipeRight.Direction = UISwipeGestureRecognizerDirection.Right;
            viewForGestures.AddGestureRecognizer (swipeRight);

            tap = new UITapGestureRecognizer (() => AddCommand (new TapCommand()));
            tap.NumberOfTapsRequired = 1;
            viewForGestures.AddGestureRecognizer (tap);

            longTap = new UILongPressGestureRecognizer (() => AddCommand (new LongTapCommand()));
            longTap.NumberOfTapsRequired = 1;
            viewForGestures.AddGestureRecognizer (longTap);
        }

 public CollapsibleSection(string caption, bool isCollapsed)
     : base(caption)
 {
     this.isCollapsed = isCollapsed;
     imageView = new UIImageView(new RectangleF(300,0,20,20));
     imageView.Image = isCollapsed ? UIImage.FromBundle("chevrondown.png") : UIImage.FromBundle("chevronup.png");
     HeaderView = new UIView(new RectangleF(0,0,200,20));
     titleLabel = new UILabel(new RectangleF(5,0,200,20));
     titleLabel.BackgroundColor = UIColor.Clear;
     titleLabel.Text = caption;
     HeaderView.AddSubview(titleLabel);
     HeaderView.BackgroundColor = UIColor.LightGray;
     HeaderView.AddSubview(imageView);
     HeaderView.AddGestureRecognizer(new UITapGestureRecognizer(x => SectionTapped() ));
 }