FocusDelegate
abstract class FocusDelegate<K : Any!>
| kotlin.Any | |
| ↳ | androidx.recyclerview.selection.FocusDelegate |
Override methods in this class to provide application specific behaviors related to focusing item.
Summary
| Public constructors | |
|---|---|
<init>()Override methods in this class to provide application specific behaviors related to focusing item. |
|
| Public methods | |
|---|---|
| abstract Unit |
focusItem(@NonNull item: ItemDetailsLookup.ItemDetails<K>)If environment supports focus, focus |
| abstract Unit |
If the environment supports focus and something is focused, unfocus it. |
| abstract Int | |
| abstract Boolean | |
Public constructors
<init>
FocusDelegate()
Override methods in this class to provide application specific behaviors related to focusing item.
Public methods
focusItem
abstract fun focusItem(@NonNull item: ItemDetailsLookup.ItemDetails<K>): Unit
If environment supports focus, focus item.
clearFocus
abstract fun clearFocus(): Unit
If the environment supports focus and something is focused, unfocus it.
getFocusedPosition
abstract fun getFocusedPosition(): Int
| Return | |
|---|---|
| Int: the position of the currently focused item, if any. |