de.codecrafters.tableview.listeners

Interface OnScrollListener

All Known Implementing Classes:

EndlessOnScrollListener, TableHeaderCollapseOnScrollListener

public interface OnScrollListener

Definition of a OnScrollListener that can be used to listen for scroll and scroll state changes of the data view (which is a ListView) of a TableView.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	OnScrollListener.ScrollState Collection of the existing scroll states.

Method Summary

Modifier and Type	Method and Description
void	onScroll(android.widget.ListView tableDataView, int firstVisibleItem, int visibleItemCount, int totalItemCount) Callback method to be invoked when the list or grid has been scrolled.
void	onScrollStateChanged(android.widget.ListView tableDateView, OnScrollListener.ScrollState scrollState) Callback method to be invoked while the table data view is being scrolled.

Method Detail

onScroll

void onScroll(android.widget.ListView tableDataView,
              int firstVisibleItem,
              int visibleItemCount,
              int totalItemCount)

Callback method to be invoked when the list or grid has been scrolled. This will be called after the scroll has completed.

Parameters:

tableDataView - The view whose scroll state is being reported.

firstVisibleItem - The index of the first visible row (ignore if visibleItemCount == 0).

visibleItemCount - The number of visible rows.

totalItemCount - The number of items in the TableDataAdapter.

onScrollStateChanged

void onScrollStateChanged(android.widget.ListView tableDateView,
                          OnScrollListener.ScrollState scrollState)

Callback method to be invoked while the table data view is being scrolled. If the view is being scrolled, this method will be called before the next frame of the scroll is rendered.

Parameters:

tableDateView - The view whose scroll state is being reported.

scrollState - he current scroll state. One of OnScrollListener.ScrollState.TOUCH_SCROLL or OnScrollListener.ScrollState.IDLE.