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, UIView view) virtual void Called when a scroll starts.
OnScrollEnd (int16_t index, UIView view) virtual void Called when a scroll ends.
OnItemSelected (int16_t index, UIView view) 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.