added in version 22.1.0
belongs to Maven artifact com.android.support:leanback-v17:28.0.0-alpha1

ListRowPresenter

public class ListRowPresenter
extends RowPresenter

java.lang.Object
↳	android.support.v17.leanback.widget.Presenter
	↳	android.support.v17.leanback.widget.RowPresenter
		↳	android.support.v17.leanback.widget.ListRowPresenter

ListRowPresenter renders ListRow using a HorizontalGridView hosted in a ListRowView.

Optionally, setHoverCardPresenterSelector(PresenterSelector) can be used to display a view for the currently focused list item below the rendered list. This view is known as a hover card.

Row selection animation

ListRowPresenter disables RowPresenter's default full row dimming effect and draws a dim overlay on each child individually. A subclass may disable the overlay on each child by overriding isUsingDefaultListSelectEffect() to return false and write its own child dim effect in applySelectLevelToChild(ViewHolder, View).

Shadow

ListRowPresenter applies a default shadow to each child view. Call setShadowEnabled(boolean) to disable shadows. A subclass may override and return false in isUsingDefaultShadow() and replace with its own shadow implementation.

Summary

Nested classes
`class`	`ListRowPresenter.SelectItemViewHolderTask` A task on the ListRowPresenter.ViewHolder that can select an item by position in the HorizontalGridView and perform an optional item task on it.
`class`	`ListRowPresenter.ViewHolder` ViewHolder for the ListRowPresenter.

Inherited constants

From class


    android.support.v17.leanback.widget.RowPresenter

Public constructors
`ListRowPresenter()` Constructs a ListRowPresenter with defaults.
`ListRowPresenter(int focusZoomFactor)` Constructs a ListRowPresenter with the given parameters.
`ListRowPresenter(int focusZoomFactor, boolean useFocusDimmer)` Constructs a ListRowPresenter with the given parameters.

Public methods
`final boolean`	`areChildRoundedCornersEnabled()` Returns true if rounded corners are enabled for children of this row.
`final void`	`enableChildRoundedCorners(boolean enable)` Enables or disabled rounded corners on children of this row.
`void`	`freeze(RowPresenter.ViewHolder holder, boolean freeze)` Freezes/unfreezes the row, typically used when a transition starts/ends.
`int`	`getExpandedRowHeight()` Returns the expanded row height for rows created by this Presenter.
`final int`	`getFocusZoomFactor()` Returns the zoom factor used for focus highlighting.
`final PresenterSelector`	`getHoverCardPresenterSelector()` Returns the `PresenterSelector` used for showing a select object in a hover card.
`int`	`getRecycledPoolSize(Presenter presenter)` Returns the recycled pool size for the given presenter.
`int`	`getRowHeight()` Returns the row height for list rows created by this Presenter.
`final boolean`	`getShadowEnabled()` Returns true if child shadow is enabled.
`final int`	`getZoomFactor()` This method was deprecated in API level 22.1.0. use `getFocusZoomFactor()` instead.
`final boolean`	`isFocusDimmerUsed()` Returns true if the focus dimmer is used for focus highlighting; false otherwise.
`final boolean`	`isKeepChildForeground()` Returns true if keeps foreground of child of this row, false otherwise.
`boolean`	`isUsingDefaultListSelectEffect()` Returns true so that default select effect is applied to each individual child of `HorizontalGridView`.
`final boolean`	`isUsingDefaultSelectEffect()` ListRowPresenter overrides the default select effect of `RowPresenter` and return false.
`boolean`	`isUsingDefaultShadow()` Default implementation returns true if SDK version >= 21, shadow (either static or z-order based) will be applied to each individual child of `HorizontalGridView`.
`boolean`	`isUsingOutlineClipping(Context context)` Returns true if leanback view outline is enabled on the system or false otherwise.
`boolean`	`isUsingZOrder(Context context)` Returns true if SDK >= L, where Z shadow is enabled so that Z order is enabled on each child of horizontal list.
`void`	`setEntranceTransitionState(RowPresenter.ViewHolder holder, boolean afterEntrance)` Changes the visibility of views.
`void`	`setExpandedRowHeight(int rowHeight)` Sets the expanded row height for rows created by this Presenter.
`final void`	`setHoverCardPresenterSelector(PresenterSelector selector)` Sets the `PresenterSelector` used for showing a select object in a hover card.
`final void`	`setKeepChildForeground(boolean keep)` When ListRowPresenter applies overlay color on the child, it may change child's foreground Drawable.
`void`	`setNumRows(int numRows)` Sets the numbers of rows for rendering the list of items.
`void`	`setRecycledPoolSize(Presenter presenter, int size)` Sets the recycled pool size for the given presenter.
`void`	`setRowHeight(int rowHeight)` Sets the row height for rows created by this Presenter.
`final void`	`setShadowEnabled(boolean enabled)` Enables or disables child shadow.

Protected methods
`void`	`applySelectLevelToChild(ListRowPresenter.ViewHolder rowViewHolder, View childView)` Applies select level to a child.
`RowPresenter.ViewHolder`	`createRowViewHolder(ViewGroup parent)` Called to create a ViewHolder object for a Row.
`ShadowOverlayHelper.Options`	`createShadowOverlayOptions()` Create ShadowOverlayHelper Options.
`void`	`dispatchItemSelectedListener(RowPresenter.ViewHolder holder, boolean selected)` Dispatch item selected event using current selected item in the `HorizontalGridView`.
`void`	`initializeRowViewHolder(RowPresenter.ViewHolder holder)` Called after a `RowPresenter.ViewHolder` is created for a Row.
`void`	`onBindRowViewHolder(RowPresenter.ViewHolder holder, Object item)` Binds the given row object to the given ViewHolder.
`void`	`onRowViewExpanded(RowPresenter.ViewHolder holder, boolean expanded)` Called when the row view's expanded state changes.
`void`	`onRowViewSelected(RowPresenter.ViewHolder holder, boolean selected)` Called when the given row view changes selection state.
`void`	`onSelectLevelChanged(RowPresenter.ViewHolder holder)` Applies select level to header and draws a default color dim over each child of `HorizontalGridView`.
`void`	`onUnbindRowViewHolder(RowPresenter.ViewHolder holder)` Unbinds the given ViewHolder.

Inherited methods

From class


  
    android.support.v17.leanback.widget.RowPresenter

From class


  
    android.support.v17.leanback.widget.Presenter

From class


  
    java.lang.Object

From interface


  
    android.support.v17.leanback.widget.FacetProvider

Public constructors