OHOS::ListScrollListener

Overview

Related Modules:

Graphic

Description:

Represents a listener that contains a callback to be invoked when the scroll state changes or when a new child view is selected at the preset position as this list scrolls. The scroll state can be {} or SCROLL_STATE_MOVE}.

Since:

1.0

Version:

1.0

Summary

Public Member Functions

Public Member Function Name

Description

ListScrollListener ()

 

A constructor used to create a ListScrollListener instance with the default state SCROLL_STATE_STOP.

~ListScrollListener ()

virtual 

A destructor used to delete the ListScrollListener instance.

OnScrollStart (int16_t index, UIViewview)

virtual void 

Called when a scroll starts.

OnScrollEnd (int16_t index, UIView view)

virtual void 

Called when a scroll ends.

OnItemSelected (int16_t index, UIViewview)

virtual void 

Called when a new child view is selected at the preset position as this list scrolls. For details about how to set the position, see SetSelectPosition.

GetScrollState () const

uint8_t 

Obtains the scroll state of this list.

operator new (size_t size)

void  

Overrides the new function.

operator delete (void *p)

void 

Overrides the delete function.