crossmobile.ios.uikit

Class UIPanGestureRecognizer

java.lang.Object

crossmobile.ios.foundation.NSObject

crossmobile.ios.uikit.UIGestureRecognizer

crossmobile.ios.uikit.UIPanGestureRecognizer

public class UIPanGestureRecognizer
extends UIGestureRecognizer

UIPanGestureRecognizer class recognizes series of touches as a pan gesture.

Constructor Summary

Constructors

Constructor and Description
UIPanGestureRecognizer(NSSelector<UIGestureRecognizer> target) Constructs a new UIPanGestureRecognizer object and attaches it to the specified UIGestureRecognizer.

Method Summary

Modifier and Type	Method and Description
boolean	canBePreventedByGestureRecognizer(UIGestureRecognizer preventing) Override this method so that the specified UIGestureRecognizer prevents this UIGestureRecognizer from recognizing a gesture.
boolean	canPreventGestureRecognizer(UIGestureRecognizer preventing) Override this method so that this UIGestureRecognizer prevents the specified UIGestureRecognizer from recognizing a gesture.
int	maximumNumberOfTouches() Returns the maximum number of touching fingers for this pan gesture.
int	minimumNumberOfTouches() Returns the minimum number of touching fingers for this pan gesture.
void	reset() Resets internal state when the gesture recognition is completed.
void	setMaximumNumberOfTouches(int maximumNumberOfTouches) Sets the maximum number of touching fingers for this gesture in order to be recognized as a pan gesture.
void	setMinimumNumberOfTouches(int minimumNumberOfTouches) Sets the minimum number of touching fingers for this gesture in order to be recognized as a pan gesture.
void	setTranslation(CGPoint transl, UIView view) Sets the specified translation value for the pan gesture in the coordinate system of the specified view.
String	toString()
void	touchesBegan(Set<UITouch> touches, UIEvent event) Informs this UIGestureRecognizer when one or more fingers touched down in the associated UIView.
void	touchesCancelled(Set<UITouch> touches, UIEvent event) Informs this UIGestureRecognizer that a touch event was canceled due to system event.
void	touchesEnded(Set<UITouch> touches, UIEvent event) Informs this UIGestureRecognizer when one or more fingers were lifted from the associated view.
void	touchesMoved(Set<UITouch> touches, UIEvent event) Informs this UIGestureRecognizer when one or more fingers were moved within the associated view.
CGPoint	translationInView(UIView view) Returns the translation value in the coordinate system of the specified view.
CGPoint	velocityInView(UIView view) Returns the velocity of this pan gesture expressed as the final point(when the gesture ends) in the coordinate system of the specified view.

Methods inherited from class crossmobile.ios.uikit.UIGestureRecognizer

addTarget, cancelsTouchesInView, delaysTouchesBegan, delaysTouchesEnded, delegate, isEnabled, locationInView, locationOfTouch, numberOfTouches, removeTarget, requireGestureRecognizerToFail, setCancelsTouchesInView, setDelaysTouchesBegan, setDelaysTouchesEnded, setDelegate, setEnabled, state, view

Methods inherited from class crossmobile.ios.foundation.NSObject

addObserver, observeValueForKeyPath, performSelector, performSelectorOnMainThread, release, removeObserver, removeObserver, retain, setValueForKey, setValueForUndefinedKey, valueForKey, valueForUndefinedKey

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

UIPanGestureRecognizer

public UIPanGestureRecognizer(NSSelector<UIGestureRecognizer> target)

Constructs a new UIPanGestureRecognizer object and attaches it to the specified UIGestureRecognizer.

Parameters:

target - The UIGestureRecognizer to which the new object is attached to.

Method Detail

maximumNumberOfTouches

public int maximumNumberOfTouches()

Returns the maximum number of touching fingers for this pan gesture.

Returns:

The maximum number of touching fingers for this pan gesture.

setMaximumNumberOfTouches

public void setMaximumNumberOfTouches(int maximumNumberOfTouches)

Sets the maximum number of touching fingers for this gesture in order to be recognized as a pan gesture.

Parameters:

maximumNumberOfTouches - The maximum number of touching fingers for this gesture in order to be recognized as a pan gesture.

minimumNumberOfTouches

public int minimumNumberOfTouches()

Returns the minimum number of touching fingers for this pan gesture.

Returns:

The minimum number of touching fingers for this pan gesture.

setMinimumNumberOfTouches

public void setMinimumNumberOfTouches(int minimumNumberOfTouches)

Sets the minimum number of touching fingers for this gesture in order to be recognized as a pan gesture.

Parameters:

minimumNumberOfTouches - The minimum number of touching fingers for this gesture in order to be recognized as a pan gesture.

reset

public void reset()

Description copied from class: UIGestureRecognizer

Resets internal state when the gesture recognition is completed.

Overrides:

reset in class UIGestureRecognizer

touchesBegan

public void touchesBegan(Set<UITouch> touches,
                         UIEvent event)

Description copied from class: UIGestureRecognizer

Informs this UIGestureRecognizer when one or more fingers touched down in the associated UIView.

Overrides:

touchesBegan in class UIGestureRecognizer

Parameters:

touches - The set of touches until the UITouchPhaseCancelled phase.

event - The event to which the touches belong.

touchesMoved

public void touchesMoved(Set<UITouch> touches,
                         UIEvent event)

Description copied from class: UIGestureRecognizer

Informs this UIGestureRecognizer when one or more fingers were moved within the associated view.

Overrides:

touchesMoved in class UIGestureRecognizer

Parameters:

touches - The set of touches until the UITouchPhaseCancelled phase.

event - The event to which the touches belong.

touchesEnded

public void touchesEnded(Set<UITouch> touches,
                         UIEvent event)

Description copied from class: UIGestureRecognizer

Informs this UIGestureRecognizer when one or more fingers were lifted from the associated view.

Overrides:

touchesEnded in class UIGestureRecognizer

Parameters:

touches - The set of touches until the UITouchPhaseCancelled phase.

event - The event to which the touches belong.

touchesCancelled

public void touchesCancelled(Set<UITouch> touches,
                             UIEvent event)

Description copied from class: UIGestureRecognizer

Informs this UIGestureRecognizer that a touch event was canceled due to system event.

Overrides:

touchesCancelled in class UIGestureRecognizer

Parameters:

touches - The set of touches until the UITouchPhaseCancelled phase.

event - The event to which the touches belong.

canBePreventedByGestureRecognizer

public boolean canBePreventedByGestureRecognizer(UIGestureRecognizer preventing)

Description copied from class: UIGestureRecognizer

Override this method so that the specified UIGestureRecognizer prevents this UIGestureRecognizer from recognizing a gesture.

Specified by:

canBePreventedByGestureRecognizer in class UIGestureRecognizer

Parameters:

preventing - The UIGestureRecognizer that prevents this gesture recognizer from recognizing a gesture.

Returns:

TRUE then the specified UIGestureRecognizer is able to prevent the recognition of a gesture.

canPreventGestureRecognizer

public boolean canPreventGestureRecognizer(UIGestureRecognizer preventing)

Description copied from class: UIGestureRecognizer

Override this method so that this UIGestureRecognizer prevents the specified UIGestureRecognizer from recognizing a gesture.

Specified by:

canPreventGestureRecognizer in class UIGestureRecognizer

Parameters:

preventing - The UIGestureRecognizer that is prevented from recognizing a gesture.

Returns:

TRUE then this UIGestureRecognizer is able to prevent the recognition of a gesture.

translationInView

public CGPoint translationInView(UIView view)

Returns the translation value in the coordinate system of the specified view.

Parameters:

view - The view in whose coordinate system is expressed the translation.

Returns:

The translation value.

setTranslation

public void setTranslation(CGPoint transl,
                           UIView view)

Sets the specified translation value for the pan gesture in the coordinate system of the specified view.

Parameters:

transl - The translation value for the pan gesture.

view - The view in whose coordinate system is computed the translation.

velocityInView

public CGPoint velocityInView(UIView view)

Returns the velocity of this pan gesture expressed as the final point(when the gesture ends) in the coordinate system of the specified view.

Parameters:

view - The view in which the pan gesture occurred.

Returns:

The final point where the pan gesture ended.

toString

public String toString()

Overrides:

toString in class UIGestureRecognizer