universum.studios.android.recycler.helper

Interface ItemDragHelper.DragViewHolder

All Superinterfaces:

RecyclerViewItemHelper.InteractiveViewHolder

Enclosing class:

ItemDragHelper

public static interface ItemDragHelper.DragViewHolder
extends RecyclerViewItemHelper.InteractiveViewHolder

Required interface for all ViewHolders which want to support drag feature for theirs corresponding item views.

Since:

1.0

Author:

Martin Albedinsky

Method Summary

Modifier and Type	Method and Description
void	onDragCanceled() This method is never called by the drag helper, but is left here only for convenience.
void	onDragFinished(int fromPosition, int toPosition) Called by the drag helper whenever drag gesture for view of this holder is finished.
void	onDragStarted() Called by the drag helper whenever drag gesture for view of this holder is started.

Methods inherited from interface universum.studios.android.recycler.helper.RecyclerViewItemHelper.InteractiveViewHolder

getInteractiveView, onDraw, onDrawOver

Method Detail

onDragStarted

void onDragStarted()

Called by the drag helper whenever drag gesture for view of this holder is started.

See Also:

onDragFinished(int, int), onDragCanceled(), ItemDragHelper.Callback#onSelectedChanged(RecyclerView.ViewHolder, int)

onDragFinished

void onDragFinished(int fromPosition,
                    int toPosition)

Called by the drag helper whenever drag gesture for view of this holder is finished.

Parameters:

fromPosition - The position from which has been the view holder dragged.

toPosition - The position at which has been the view holder dropped.

See Also:

onDragStarted(), ItemDragHelper.Callback#clearView(RecyclerView, RecyclerView.ViewHolder)

onDragCanceled

void onDragCanceled()

This method is never called by the drag helper, but is left here only for convenience.