BaseOnItemViewSelectedListener

public interface BaseOnItemViewSelectedListener<T>

Known direct subclasses
OnItemViewSelectedListener

Interface for receiving notification when a row or item becomes selected.

Interface for receiving notification when a row or item becomes selected. The concept of current selection is different than focus. A row or item can be selected without having focus; for example, when a row header view gains focus then the corresponding row view becomes selected.

Summary

Public methods
abstract void
onItemSelected(
    Presenter.ViewHolder itemViewHolder,
    Object item,
    RowPresenter.ViewHolder rowViewHolder,
    T row
)

Called when a row or a new item becomes selected.

Public methods

onItemSelected

Added in 1.1.0
abstract void onItemSelected(
    Presenter.ViewHolder itemViewHolder,
    Object item,
    RowPresenter.ViewHolder rowViewHolder,
    T row
)

Called when a row or a new item becomes selected.

For a non ListRow case, parameter item may be null. Event is fired when selection changes between rows, regardless if row view has focus or not.

For a ListRow case, parameter item is null if the list row is empty.

In the case of a grid, the row parameter is always null.

  • Row has focus: event is fired when focus changes between children of the row.
  • No row has focus: the event is fired with the currently selected row and last focused item in the row.
Parameters
Presenter.ViewHolder itemViewHolder

The view holder of the item that is currently selected.
Object item

The item that is currently selected.
RowPresenter.ViewHolder rowViewHolder

The view holder of the row that is currently selected.
T row

The row that is currently selected.