draggablerecyclerview_gistfile1.java

/**
 * Bind ItemTouchHelper.SimpleCallback with RecyclerView
 *
 * @param recyclerView      RecyclerView to bind to DragItemTouchHelperCallback
 * @param dragEnabled       enable/disable drag
 * @param onItemDrag        OnItemDragListener for dragged
 */
@android.databinding.BindingAdapter(value = {"dragEnabled", "onItemDrag"}, requireAll = false)
public static void setItemDragToRecyclerView(RecyclerView recyclerView, boolean dragEnabled,
					     DragItemTouchHelperCallback.OnItemDragListener onItemDrag) {

	ItemTouchHelper.Callback dragCallback = new DragItemTouchHelperCallback
			.Builder(ItemTouchHelper.UP | ItemTouchHelper.DOWN, 0)
			.setDragEnabled(dragEnabled)
			.onItemDragListener(onItemDrag)
			.build();

	ItemTouchHelper itemTouchHelper = new ItemTouchHelper(dragCallback);
	itemTouchHelper.attachToRecyclerView(recyclerView);
}