com.telerik.widget.list

Class ListViewGestureListener

java.lang.Object

android.view.GestureDetector.SimpleOnGestureListener

com.telerik.widget.list.ListViewGestureListener

All Implemented Interfaces:

GestureDetector.OnContextClickListener, GestureDetector.OnDoubleTapListener, GestureDetector.OnGestureListener

public class ListViewGestureListener
extends GestureDetector.SimpleOnGestureListener

Represents the default gesture listener which is responsible by the gesture handling in RadListView.

Constructor Summary

Constructors

Constructor and Description
ListViewGestureListener(Context context) Creates a new instance of ListViewGestureListener with the provided context.

Method Summary

Modifier and Type	Method and Description
boolean	onActionUpOrCancel(boolean isCanceled) Called when a previous gesture ends on up or cancel.
boolean	onFling(MotionEvent motionEvent, MotionEvent motionEvent2, float v, float v2)
boolean	onInterceptTouchEvent(RadListView owner, MotionEvent motionEvent)
void	onLongPress(MotionEvent motionEvent)
void	onLongPressDrag(float startX, float startY, float currentX, float currentY) Called when the drag gesture is detected after a long press.
boolean	onLongPressDragEnded(boolean isCanceled) Called when a current gesture combination of long press and drag ends on up or cancel.
boolean	onShortPressDrag(float startX, float startY, float currentX, float currentY) Called when the drag gesture is detected without a long press before that.
boolean	onSingleTapUp(MotionEvent motionEvent)
boolean	onTapUp(MotionEvent motionEvent) A convenience method called when onSingleTapUp(android.view.MotionEvent) is detected.
boolean	onTouchEvent(RadListView sender, MotionEvent e) Called when a touch event occurs on the parent list view instance.

Methods inherited from class android.view.GestureDetector.SimpleOnGestureListener

onContextClick, onDoubleTap, onDoubleTapEvent, onDown, onScroll, onShowPress, onSingleTapConfirmed

Methods inherited from class java.lang.Object

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

Constructor Detail

ListViewGestureListener

public ListViewGestureListener(Context context)

Creates a new instance of ListViewGestureListener with the provided context.

Parameters:

context - context to be used.

Method Detail

onTouchEvent

public boolean onTouchEvent(RadListView sender,
                            MotionEvent e)

Called when a touch event occurs on the parent list view instance.

Parameters:

sender - the parent list view instance.

e - the motion event that occurred.

onInterceptTouchEvent

public boolean onInterceptTouchEvent(RadListView owner,
                                     MotionEvent motionEvent)

onTapUp

public boolean onTapUp(MotionEvent motionEvent)

A convenience method called when onSingleTapUp(android.view.MotionEvent) is detected.

Parameters:

motionEvent - the motion event that occurred.

onShortPressDrag

public boolean onShortPressDrag(float startX,
                                float startY,
                                float currentX,
                                float currentY)

Called when the drag gesture is detected without a long press before that.

Parameters:

startX - the x coordinate where the gesture started

startY - the y coordinate where the gesture started

currentX - the x coordinate where the gesture occurring now

currentY - the y coordinate where the gesture occurring now

onActionUpOrCancel

public boolean onActionUpOrCancel(boolean isCanceled)

Called when a previous gesture ends on up or cancel.

Parameters:

isCanceled - whether the gesture was cancelled

onLongPressDrag

public void onLongPressDrag(float startX,
                            float startY,
                            float currentX,
                            float currentY)

Called when the drag gesture is detected after a long press.

Parameters:

startX - the x coordinate where the gesture started

startY - the y coordinate where the gesture started

currentX - the x coordinate where the gesture occurring now

currentY - the y coordinate where the gesture occurring now

onLongPressDragEnded

public boolean onLongPressDragEnded(boolean isCanceled)

Called when a current gesture combination of long press and drag ends on up or cancel.

Parameters:

isCanceled - whether the gesture was cancelled

onSingleTapUp

public boolean onSingleTapUp(MotionEvent motionEvent)

Specified by:

onSingleTapUp in interface GestureDetector.OnGestureListener

Overrides:

onSingleTapUp in class GestureDetector.SimpleOnGestureListener

onLongPress

public void onLongPress(MotionEvent motionEvent)

Specified by:

onLongPress in interface GestureDetector.OnGestureListener

Overrides:

onLongPress in class GestureDetector.SimpleOnGestureListener

onFling

public boolean onFling(MotionEvent motionEvent,
                       MotionEvent motionEvent2,
                       float v,
                       float v2)

Specified by:

onFling in interface GestureDetector.OnGestureListener

Overrides:

onFling in class GestureDetector.SimpleOnGestureListener