TapGestureRecognizer Class
Definition
Provides tap gesture recognition and events.
public sealed class TapGestureRecognizer : Xamarin.Forms.GestureRecognizer
type TapGestureRecognizer = class
inherit GestureRecognizer
- Inheritance
Remarks
Can be used to recognize single and multiple tap gestures.
Constructors
TapGestureRecognizer() |
Initializes a new instance of a TapGestureRecognizer object. |
TapGestureRecognizer(Action<View,Object>) |
Obsolete.
Initializes a new instance of a TapGestureRecognizer object with a parameterized callback. |
TapGestureRecognizer(Action<View>) |
Obsolete.
Initializes a new instance of a TapGestureRecognizer object with a callback. |
Fields
CommandParameterProperty |
Identifies the CommandParameter bindable property. |
CommandProperty |
Identifies the Command bindable property. |
NumberOfTapsRequiredProperty |
Identifies the NumberOfTapsRequired bindable property. |
TappedCallbackParameterProperty |
Obsolete.
Identifies the TappedCallbackParameter bindable property. |
TappedCallbackProperty |
Obsolete.
Identifies the TappedCallback bindable property. |
Properties
AutomationId |
Gets or sets a value that allows the automation framework to find and interact with this element. (Inherited from Element) |
BindingContext |
Gets or sets object that contains the properties that will be targeted by the bound properties that belong to this BindableObject. (Inherited from BindableObject) |
ClassId |
Gets or sets a value used to identify a collection of semantically similar elements. (Inherited from Element) |
Command |
The Command to invoke when the gesture has been triggered by the user. This is a bindable property. |
CommandParameter |
An object to be passed to the TappedCallback. This is a bindable property. |
Dispatcher | (Inherited from BindableObject) |
EffectControlProvider |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
Effects |
A list of the effects that are applied to this item. (Inherited from Element) |
Id |
Gets a value that can be used to uniquely identify an element through the run of an application. (Inherited from Element) |
LogicalChildren |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
NumberOfTapsRequired |
The number of taps required to trigger the callback. This is a bindable property. |
Parent |
Gets or sets the parent element of the element. (Inherited from Element) |
ParentView |
Obsolete.
Gets the element which is the closest ancestor of this element that is a VisualElement. (Inherited from Element) |
Platform |
Obsolete.
(Inherited from Element)
|
RealParent |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
StyleId |
Gets or sets a user defined value to uniquely identify the element. (Inherited from Element) |
TappedCallback |
Obsolete.
The action to invoke when the gesture has been triggered by the user. This is a bindable property. |
TappedCallbackParameter |
Obsolete.
An object to be passed to the TappedCallback. This is a bindable property. |
Methods
ApplyBindings() |
Apply the bindings to BindingContext. (Inherited from BindableObject) |
ClearValue(BindableProperty) |
Clears any value set by SetValue for |
ClearValue(BindablePropertyKey) |
Clears any value set by SetValue for the property that is identified by |
CoerceValue(BindableProperty) | (Inherited from BindableObject) |
CoerceValue(BindablePropertyKey) | (Inherited from BindableObject) |
Descendants() |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
EffectIsAttached(String) |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
FindByName(String) |
Returns the element that has the specified name. (Inherited from Element) |
GetValue(BindableProperty) |
Returns the value that is contained in the BindableProperty. (Inherited from BindableObject) |
GetValues(BindableProperty, BindableProperty) |
Obsolete.
For internal use by the Xamarin.Forms platform. (Inherited from BindableObject) |
GetValues(BindableProperty, BindableProperty, BindableProperty) |
Obsolete.
For internal use by the Xamarin.Forms platform. (Inherited from BindableObject) |
IsSet(BindableProperty) |
Returns |
OnBindingContextChanged() |
Invoked whenever the binding context of the element changes. Implement this method to add class handling for this event. (Inherited from Element) |
OnChildAdded(Element) |
Invoked whenever the ChildAdded event needs to be emitted. Implement this method to add class handling for this event. (Inherited from Element) |
OnChildRemoved(Element) |
Obsolete.
Invoked whenever the ChildRemoved event needs to be emitted. Implement this method to add class handling for this event. (Inherited from Element) |
OnChildRemoved(Element, Int32) | (Inherited from Element) |
OnParentSet() |
Invoked whenever the Parent of an element is set. Implement this method in order to add behavior when the element is added to a parent. (Inherited from Element) |
OnPropertyChanged(String) |
Method that is called when a bound property is changed. (Inherited from Element) |
OnPropertyChanging(String) |
Call this method from a child class to notify that a change is going to happen on a property. (Inherited from BindableObject) |
RemoveBinding(BindableProperty) |
Removes a previously set binding. (Inherited from BindableObject) |
RemoveDynamicResource(BindableProperty) |
Removes a previously set dynamic resource (Inherited from Element) |
SendTapped(View) |
For internal use by the Xamarin.Forms platform. |
SetBinding(BindableProperty, BindingBase) |
Assigns a binding to a property. (Inherited from BindableObject) |
SetDynamicResource(BindableProperty, String) |
Sets the BindableProperty property of this element to be updated via the DynamicResource with the provided key. (Inherited from Element) |
SetValue(BindableProperty, Object) |
Sets the value of the specified property. (Inherited from BindableObject) |
SetValue(BindablePropertyKey, Object) |
Sets the value of the propertyKey. (Inherited from BindableObject) |
SetValueCore(BindableProperty, Object, SetValueFlags) |
For internal use by the Xamarin.Forms platform. (Inherited from BindableObject) |
SetValueFromRenderer(BindableProperty, Object) |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
SetValueFromRenderer(BindablePropertyKey, Object) |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
UnapplyBindings() |
Unapplies all previously set bindings. (Inherited from BindableObject) |
Events
BindingContextChanged |
Raised whenever the BindingContext property changes. (Inherited from BindableObject) |
ChildAdded |
Occurs whenever a child element is added to the element. (Inherited from Element) |
ChildRemoved |
Occurs whenever a child element is removed from the element. (Inherited from Element) |
DescendantAdded |
Occurs whenever a child element is added to the elements subtree. (Inherited from Element) |
DescendantRemoved |
Occurs whenever a child element is removed from the elements subtree. (Inherited from Element) |
PlatformSet |
Obsolete.
(Inherited from Element)
|
PropertyChanged |
Raised when a property has changed. (Inherited from BindableObject) |
PropertyChanging |
Raised when a property is about to change. (Inherited from BindableObject) |
Tapped |
Event that is raised when the user taps. |
Explicit Interface Implementations
IDynamicResourceHandler.SetDynamicResource(BindableProperty, String) |
For internal use by the Xamarin.Forms platform. (Inherited from BindableObject) |
IElementController.SetValueFromRenderer(BindableProperty, Object) |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
INameScope.RegisterName(String, Object) |
For internal use only. (Inherited from Element) |
Extension Methods
GetPropertyIfSet<T>(BindableObject, BindableProperty, T) | |
SetAppThemeColor(BindableObject, BindableProperty, Color, Color) | |
SetBinding(BindableObject, BindableProperty, String, BindingMode, IValueConverter, String) |
Creates and applies a binding to a property. |
SetBinding<TSource>(BindableObject, BindableProperty, Expression<Func<TSource,Object>>, BindingMode, IValueConverter, String) |
Obsolete.
Creates and applies a binding from an expression. |
SetOnAppTheme<T>(BindableObject, BindableProperty, T, T) | |
FindByName<T>(Element, String) |
Returns the instance of type |