Returns the number of items in the adapter.

Gets {@link Location} of item. The return object is read only and temporarily.

Get edge of an existing visible item. edge will be the min_edge if not reversed or the max_edge if reversed. @param index 0-based index of the ite

Returns the item for the given position.

Get size of an existing visible item. @param index 0-based index of the item in provider

Returns index of first visible item in the staggered grid. Returns negative value if no visible item.

Returns index of last item (cached or visible) in the staggered grid. Returns negative value if no item.

Returns the number of rows in the grid.

Returns index of last visible item in the staggered grid. Returns negative value if no visible item.

Returns the max edge value of item (visible or cached) in a row. This will be the place to append or prepend item not in cache.

Returns the min edge value of item (visible or cached) in a row. This will be the place to prepend or append item not in cache.

Return how many items (are in the adapter).

Adds an item to the end of the adapter. @param item The item to add to the end of the adapter.

Returns index of first item (cached or visible) in the staggered grid. Returns negative value if no item.

add item to given row and given edge. The call is always after createItem(). @param item The object returned by createItem() @param index 0-

Returns true if appending item has reached "toLimit"

Returns true if prepending item has reached "toLimit"

Create visible item and where the provider should measure it. The call is always followed by addItem(). @param index 0-based index of the item in

Note this method has assumption that item is filled either in the same row next row of last item. Search until row index wrapped.

Note this method has assumption that item is filled either in the same row next row of last item. Search until row index wrapped.

Returns true if reversed flow (rtl)

Discard saved Recycler and State.

Save Recycler and State for convenience. Must be paired with leaveContext().

Scroll to a given child view and change mFocusPosition.

Called to set a click listener for the given view holder. The default implementation sets the click listener on the root view in the view holder. If

get alignment position relative to optical left/top of itemView.

Called whenever the ObjectAdapter's data has changed in some manner outside of the set of changes covered by the other range-based change notification

update max edge, Integer.MAX_VALUE means unknown

set minEdge, Integer.MIN_VALUE means unknown

Sets the first item index to create when there are no items. @param startIndex the index of the first item

Finds the largest or smallest row max edge of visible items, the row index is returned in indices[0], the item index is returned in indices[1].

Finds the largest or smallest row min edge of visible items, the row index is returned in indices[0], the item index is returned in indices[1].

Return array of int array for all rows, each int array contains visible item positions in pair on that row between startPos(included) and endPositions

Returns true if the key dispatch event should be consumed.

Returns true if the key event should be consumed.

Remove visible item at index. @param index 0-based index of the item in provider

Updates the layer type for this view. If fading edges are needed, use a hardware layer. This works around the problem that when a child invalidates i

Adds the objects in the given collection to the adapter, starting at the given index. If the index is >= {@link #size} an exception will be thrown.