# Row

added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  
belongs to Maven artifact com.android.support:leanback-v17:28.0.0-alpha1  
Summary:[Ctors](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#pubctors)\|[Methods](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#pubmethods)\|[Inherited Methods](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#inhmethods)\|[\[Expand All\]](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#)  

# Row

| This package is part of the Android[support library](https://developer.android.com/topic/libraries/support-library)which is no longer maintained. The support library has been superseded by[AndroidX](https://developer.android.com/jetpack/androidx)which is part of[Jetpack](https://developer.android.com/jetpack). We recommend using the AndroidX libraries in all new projects. You should also consider[migrating](https://developer.android.com/jetpack/androidx/migrate)existing projects to AndroidX. To find the AndroidX class that maps to this deprecated class, see the AndroidX support library[class mappings](https://developer.android.com/jetpack/androidx/migrate/class-mappings).

`
public


class
Row
`  
`

extends Object


``


`

|---|-----------------------------------------|
| java.lang.Object                           ||
| ↳ | android.support.v17.leanback.widget.Row |

|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#)Known Direct Subclasses [DetailsOverviewRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewRow),[DividerRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DividerRow),[ListRow](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRow),[PageRow](https://developer.android.com/reference/android/support/v17/leanback/widget/PageRow),[PlaybackControlsRow](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow),[SectionRow](https://developer.android.com/reference/android/support/v17/leanback/widget/SectionRow) |------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [DetailsOverviewRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewRow)   | An overview[Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row)for a details fragment.                                                                                                                                                                                                                                             | | [DividerRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DividerRow)                   | Used to represent divider in HeadersFragment.                                                                                                                                                                                                                                                                                                                        | | [ListRow](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRow)                         | A[Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row)composed of a optional[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem), and an[ObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter)describing the items in the list. | | [PageRow](https://developer.android.com/reference/android/support/v17/leanback/widget/PageRow)                         | Used to represent content spanning full page.                                                                                                                                                                                                                                                                                                                        | | [PlaybackControlsRow](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow) | A[Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row)of playback controls to be displayed by a[PlaybackControlsRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRowPresenter).                                                                                            | | [SectionRow](https://developer.android.com/reference/android/support/v17/leanback/widget/SectionRow)                   | Used to represent section item in HeadersFragment.                                                                                                                                                                                                                                                                                                                   | |

<br />

*** ** * ** ***

The base class for all rows. A commonly used subclass is the[ListRow](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRow). Custom subclasses may define other types of rows.

## Summary

|                                                                                                                                           ### Public constructors                                                                                                                                            ||
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| ` `[Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#Row(long, android.support.v17.leanback.widget.HeaderItem))`(long id, `[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem)` headerItem) ` Constructor for a Row. |
| ` `[Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#Row(android.support.v17.leanback.widget.HeaderItem))`(`[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem)` headerItem) ` Constructor for a Row.                |
| ` `[Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#Row())`() ` Constructor for a Row.                                                                                                                                                                               |

|                                                                                                                                                                                                                                                                    ### Public methods                                                                                                                                                                                                                                                                    ||
|---------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` final `[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem) | ` `[getHeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#getHeaderItem())`() ` Returns the[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem)that represents metadata for the row.                                                                                                                                                             |
| ` final long`                                                                                                 | ` `[getId](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#getId())`() ` Returns a unique identifier for this row.                                                                                                                                                                                                                                                                                        |
| ` boolean`                                                                                                    | ` `[isRenderedAsRowView](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#isRenderedAsRowView())`() ` Returns true if this Row can be rendered in a visible row view, false otherwise.                                                                                                                                                                                                                     |
| ` final void`                                                                                                 | ` `[setHeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#setHeaderItem(android.support.v17.leanback.widget.HeaderItem))`(`[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem)` headerItem) ` Sets the[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem)that represents metadata for the row. |
| ` final void`                                                                                                 | ` `[setId](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#setId(long))`(long id) ` Sets the id for this row.                                                                                                                                                                                                                                                                                             |

| ### Inherited methods |
|-----------------------|---|
| [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#)From class` java.lang.Object ` |-------------------|-------------------------------| | ` Object`         | ` clone() `                   | | ` boolean`        | ` equals(Object arg0) `       | | ` void`           | ` finalize() `                | | ` final Class<?>` | ` getClass() `                | | ` int`            | ` hashCode() `                | | ` final void`     | ` notify() `                  | | ` final void`     | ` notifyAll() `               | | ` String`         | ` toString() `                | | ` final void`     | ` wait(long arg0, int arg1) ` | | ` final void`     | ` wait(long arg0) `           | | ` final void`     | ` wait() `                    | ||

## Public constructors

### Row

added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  

```
Row (long id, 
                HeaderItem headerItem)
```

Constructor for a Row.

<br />

|                                                                                       Parameters                                                                                       ||
|--------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `id`         | `long`: The id of the row. <br />                                                                                                                                        |
| `headerItem` | `HeaderItem`: The[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem)for this Row, or null if there is no header. <br /> |

### Row

added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  

```
Row (HeaderItem headerItem)
```

Constructor for a Row.

<br />

|                                                                                       Parameters                                                                                       ||
|--------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `headerItem` | `HeaderItem`: The[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem)for this Row, or null if there is no header. <br /> |

### Row

added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  

```
Row ()
```

Constructor for a Row.

<br />

## Public methods

### getHeaderItem

added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  

```
HeaderItem getHeaderItem ()
```

Returns the[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem)that represents metadata for the row.

<br />

|                                                                           Returns                                                                           ||
|------------------------------------------------------------------------------------------------------|-------------------------------------------------------|
| [HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem) | The HeaderItem for this row, or null if unset. <br /> |

### getId

added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  

```
long getId ()
```

Returns a unique identifier for this row. This id can come from one of three places:

- If[setId(long)](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#setId(long))is ever called on this row, it will return this id.
- If[setId(long)](https://developer.android.com/reference/android/support/v17/leanback/widget/Row#setId(long))has not been called but the header item is not null, the result of[getId()](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem#getId())is returned.
- Otherwise[NO_ID](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter#NO_ID)is returned.

<br />

<br />

|    Returns     ||
|--------|--------|
| `long` | <br /> |

### isRenderedAsRowView

added in[version 24.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  

```
boolean isRenderedAsRowView ()
```

Returns true if this Row can be rendered in a visible row view, false otherwise. For example[ListRow](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRow)is rendered by[ListRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowPresenter).[PageRow](https://developer.android.com/reference/android/support/v17/leanback/widget/PageRow),[SectionRow](https://developer.android.com/reference/android/support/v17/leanback/widget/SectionRow),[DividerRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DividerRow)are rendered as invisible row views.

<br />

|                                          Returns                                           ||
|-----------|---------------------------------------------------------------------------------|
| `boolean` | True if this Row can be rendered in a visible row view, false otherwise. <br /> |

### setHeaderItem

added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  

```
void setHeaderItem (HeaderItem headerItem)
```

Sets the[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem)that represents metadata for the row.

<br />

|                                           Parameters                                           ||
|--------------|----------------------------------------------------------------------------------|
| `headerItem` | `HeaderItem`: The HeaderItem for this Row, or null if there is no header. <br /> |

### setId

added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  

```
void setId (long id)
```

Sets the id for this row.

<br />

|               Parameters                ||
|------|-----------------------------------|
| `id` | `long`: The id of the row. <br /> |

-

  ## Interfaces

  - [BaseGridView.OnKeyInterceptListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseGridView.OnKeyInterceptListener)
  - [BaseGridView.OnMotionInterceptListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseGridView.OnMotionInterceptListener)
  - [BaseGridView.OnTouchInterceptListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseGridView.OnTouchInterceptListener)
  - [BaseGridView.OnUnhandledKeyListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseGridView.OnUnhandledKeyListener)
  - [BaseOnItemViewClickedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseOnItemViewClickedListener)
  - [BaseOnItemViewSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseOnItemViewSelectedListener)
  - [BrowseFrameLayout.OnChildFocusListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BrowseFrameLayout.OnChildFocusListener)
  - [BrowseFrameLayout.OnFocusSearchListener](https://developer.android.com/reference/android/support/v17/leanback/widget/BrowseFrameLayout.OnFocusSearchListener)
  - [FacetProvider](https://developer.android.com/reference/android/support/v17/leanback/widget/FacetProvider)
  - [FacetProviderAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/FacetProviderAdapter)
  - [FocusHighlight](https://developer.android.com/reference/android/support/v17/leanback/widget/FocusHighlight)
  - [FragmentAnimationProvider](https://developer.android.com/reference/android/support/v17/leanback/widget/FragmentAnimationProvider)
  - [ImeKeyMonitor](https://developer.android.com/reference/android/support/v17/leanback/widget/ImeKeyMonitor)
  - [ImeKeyMonitor.ImeKeyListener](https://developer.android.com/reference/android/support/v17/leanback/widget/ImeKeyMonitor.ImeKeyListener)
  - [MultiActionsProvider](https://developer.android.com/reference/android/support/v17/leanback/widget/MultiActionsProvider)
  - [OnActionClickedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnActionClickedListener)
  - [OnChildLaidOutListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnChildLaidOutListener)
  - [OnChildSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnChildSelectedListener)
  - [OnItemViewClickedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnItemViewClickedListener)
  - [OnItemViewSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnItemViewSelectedListener)
  - [PlaybackSeekUi](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackSeekUi)
  - [SearchBar.SearchBarListener](https://developer.android.com/reference/android/support/v17/leanback/widget/SearchBar.SearchBarListener)
  - [SearchBar.SearchBarPermissionListener](https://developer.android.com/reference/android/support/v17/leanback/widget/SearchBar.SearchBarPermissionListener)
  - [SearchEditText.OnKeyboardDismissListener](https://developer.android.com/reference/android/support/v17/leanback/widget/SearchEditText.OnKeyboardDismissListener)
  - [SpeechRecognitionCallback](https://developer.android.com/reference/android/support/v17/leanback/widget/SpeechRecognitionCallback)
  - [TitleViewAdapter.Provider](https://developer.android.com/reference/android/support/v17/leanback/widget/TitleViewAdapter.Provider)
  - [ViewHolderTask](https://developer.android.com/reference/android/support/v17/leanback/widget/ViewHolderTask)
-

  ## Classes

  - [AbstractDetailsDescriptionPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractDetailsDescriptionPresenter)
  - [AbstractDetailsDescriptionPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractDetailsDescriptionPresenter.ViewHolder)
  - [AbstractMediaItemPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractMediaItemPresenter)
  - [AbstractMediaItemPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractMediaItemPresenter.ViewHolder)
  - [AbstractMediaListHeaderPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractMediaListHeaderPresenter)
  - [AbstractMediaListHeaderPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/AbstractMediaListHeaderPresenter.ViewHolder)
  - [Action](https://developer.android.com/reference/android/support/v17/leanback/widget/Action)
  - [ArrayObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ArrayObjectAdapter)
  - [BaseCardView](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseCardView)
  - [BaseCardView.LayoutParams](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseCardView.LayoutParams)
  - [BaseGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/BaseGridView)
  - [BrowseFrameLayout](https://developer.android.com/reference/android/support/v17/leanback/widget/BrowseFrameLayout)
  - [ClassPresenterSelector](https://developer.android.com/reference/android/support/v17/leanback/widget/ClassPresenterSelector)
  - [ControlButtonPresenterSelector](https://developer.android.com/reference/android/support/v17/leanback/widget/ControlButtonPresenterSelector)
  - [CursorObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/CursorObjectAdapter)
  - [DetailsOverviewLogoPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewLogoPresenter)
  - [DetailsOverviewLogoPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewLogoPresenter.ViewHolder)
  - [DetailsOverviewRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewRow)
  - [DetailsOverviewRow.Listener](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewRow.Listener)
  - [DetailsOverviewRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewRowPresenter)
  - [DetailsOverviewRowPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsOverviewRowPresenter.ViewHolder)
  - [DetailsParallax](https://developer.android.com/reference/android/support/v17/leanback/widget/DetailsParallax)
  - [DiffCallback](https://developer.android.com/reference/android/support/v17/leanback/widget/DiffCallback)
  - [DividerPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/DividerPresenter)
  - [DividerRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DividerRow)
  - [FocusHighlightHelper](https://developer.android.com/reference/android/support/v17/leanback/widget/FocusHighlightHelper)
  - [FullWidthDetailsOverviewRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewRowPresenter)
  - [FullWidthDetailsOverviewRowPresenter.Listener](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewRowPresenter.Listener)
  - [FullWidthDetailsOverviewRowPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewRowPresenter.ViewHolder)
  - [FullWidthDetailsOverviewRowPresenter.ViewHolder.DetailsOverviewRowListener](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewRowPresenter.ViewHolder.DetailsOverviewRowListener)
  - [FullWidthDetailsOverviewSharedElementHelper](https://developer.android.com/reference/android/support/v17/leanback/widget/FullWidthDetailsOverviewSharedElementHelper)
  - [GuidanceStylist](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidanceStylist)
  - [GuidanceStylist.Guidance](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidanceStylist.Guidance)
  - [GuidedAction](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedAction)
  - [GuidedAction.Builder](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedAction.Builder)
  - [GuidedAction.BuilderBase](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedAction.BuilderBase)
  - [GuidedActionDiffCallback](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedActionDiffCallback)
  - [GuidedActionEditText](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedActionEditText)
  - [GuidedActionsStylist](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedActionsStylist)
  - [GuidedActionsStylist.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedActionsStylist.ViewHolder)
  - [GuidedDatePickerAction](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedDatePickerAction)
  - [GuidedDatePickerAction.Builder](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedDatePickerAction.Builder)
  - [GuidedDatePickerAction.BuilderBase](https://developer.android.com/reference/android/support/v17/leanback/widget/GuidedDatePickerAction.BuilderBase)
  - [HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem)
  - [HorizontalGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/HorizontalGridView)
  - [HorizontalHoverCardSwitcher](https://developer.android.com/reference/android/support/v17/leanback/widget/HorizontalHoverCardSwitcher)
  - [ImageCardView](https://developer.android.com/reference/android/support/v17/leanback/widget/ImageCardView)
  - [ItemAlignmentFacet](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemAlignmentFacet)
  - [ItemAlignmentFacet.ItemAlignmentDef](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemAlignmentFacet.ItemAlignmentDef)
  - [ItemBridgeAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapter)
  - [ItemBridgeAdapter.AdapterListener](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapter.AdapterListener)
  - [ItemBridgeAdapter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapter.ViewHolder)
  - [ItemBridgeAdapter.Wrapper](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapter.Wrapper)
  - [ItemBridgeAdapterShadowOverlayWrapper](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapterShadowOverlayWrapper)
  - [ListRow](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRow)
  - [ListRowHoverCardView](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowHoverCardView)
  - [ListRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowPresenter)
  - [ListRowPresenter.SelectItemViewHolderTask](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowPresenter.SelectItemViewHolderTask)
  - [ListRowPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowPresenter.ViewHolder)
  - [ListRowView](https://developer.android.com/reference/android/support/v17/leanback/widget/ListRowView)
  - [MultiActionsProvider.MultiAction](https://developer.android.com/reference/android/support/v17/leanback/widget/MultiActionsProvider.MultiAction)
  - [ObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter)
  - [ObjectAdapter.DataObserver](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter.DataObserver)
  - [OnChildViewHolderSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/widget/OnChildViewHolderSelectedListener)
  - [PageRow](https://developer.android.com/reference/android/support/v17/leanback/widget/PageRow)
  - [Parallax](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax)
  - [Parallax.FloatProperty](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax.FloatProperty)
  - [Parallax.IntProperty](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax.IntProperty)
  - [Parallax.PropertyMarkerValue](https://developer.android.com/reference/android/support/v17/leanback/widget/Parallax.PropertyMarkerValue)
  - [ParallaxEffect](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxEffect)
  - [ParallaxTarget](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxTarget)
  - [ParallaxTarget.DirectPropertyTarget](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxTarget.DirectPropertyTarget)
  - [ParallaxTarget.PropertyValuesHolderTarget](https://developer.android.com/reference/android/support/v17/leanback/widget/ParallaxTarget.PropertyValuesHolderTarget)
  - [PlaybackControlsRow](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow)
  - [PlaybackControlsRow.ClosedCaptioningAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.ClosedCaptioningAction)
  - [PlaybackControlsRow.FastForwardAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.FastForwardAction)
  - [PlaybackControlsRow.HighQualityAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.HighQualityAction)
  - [PlaybackControlsRow.MoreActions](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.MoreActions)
  - [PlaybackControlsRow.MultiAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.MultiAction)
  - [PlaybackControlsRow.OnPlaybackProgressCallback](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.OnPlaybackProgressCallback)
  - [PlaybackControlsRow.PictureInPictureAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.PictureInPictureAction)
  - [PlaybackControlsRow.PlayPauseAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.PlayPauseAction)
  - [PlaybackControlsRow.RepeatAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.RepeatAction)
  - [PlaybackControlsRow.RewindAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.RewindAction)
  - [PlaybackControlsRow.ShuffleAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.ShuffleAction)
  - [PlaybackControlsRow.SkipNextAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.SkipNextAction)
  - [PlaybackControlsRow.SkipPreviousAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.SkipPreviousAction)
  - [PlaybackControlsRow.ThumbsAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.ThumbsAction)
  - [PlaybackControlsRow.ThumbsDownAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.ThumbsDownAction)
  - [PlaybackControlsRow.ThumbsUpAction](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.ThumbsUpAction)
  - [PlaybackControlsRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRowPresenter)
  - [PlaybackControlsRowPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRowPresenter.ViewHolder)
  - [PlaybackRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackRowPresenter)
  - [PlaybackRowPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackRowPresenter.ViewHolder)
  - [PlaybackSeekDataProvider](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackSeekDataProvider)
  - [PlaybackSeekDataProvider.ResultCallback](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackSeekDataProvider.ResultCallback)
  - [PlaybackSeekUi.Client](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackSeekUi.Client)
  - [PlaybackTransportRowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackTransportRowPresenter)
  - [PlaybackTransportRowPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackTransportRowPresenter.ViewHolder)
  - [Presenter](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter)
  - [Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder)
  - [Presenter.ViewHolderTask](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolderTask)
  - [PresenterSelector](https://developer.android.com/reference/android/support/v17/leanback/widget/PresenterSelector)
  - [PresenterSwitcher](https://developer.android.com/reference/android/support/v17/leanback/widget/PresenterSwitcher)
  - [RecyclerViewParallax](https://developer.android.com/reference/android/support/v17/leanback/widget/RecyclerViewParallax)
  - [RecyclerViewParallax.ChildPositionProperty](https://developer.android.com/reference/android/support/v17/leanback/widget/RecyclerViewParallax.ChildPositionProperty)
  - [Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row)
  - [RowHeaderPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter)
  - [RowHeaderPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter.ViewHolder)
  - [RowHeaderView](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderView)
  - [RowPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/RowPresenter)
  - [RowPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/RowPresenter.ViewHolder)
  - [SearchBar](https://developer.android.com/reference/android/support/v17/leanback/widget/SearchBar)
  - [SearchEditText](https://developer.android.com/reference/android/support/v17/leanback/widget/SearchEditText)
  - [SearchOrbView](https://developer.android.com/reference/android/support/v17/leanback/widget/SearchOrbView)
  - [SearchOrbView.Colors](https://developer.android.com/reference/android/support/v17/leanback/widget/SearchOrbView.Colors)
  - [SectionRow](https://developer.android.com/reference/android/support/v17/leanback/widget/SectionRow)
  - [ShadowOverlayContainer](https://developer.android.com/reference/android/support/v17/leanback/widget/ShadowOverlayContainer)
  - [ShadowOverlayHelper](https://developer.android.com/reference/android/support/v17/leanback/widget/ShadowOverlayHelper)
  - [ShadowOverlayHelper.Builder](https://developer.android.com/reference/android/support/v17/leanback/widget/ShadowOverlayHelper.Builder)
  - [ShadowOverlayHelper.Options](https://developer.android.com/reference/android/support/v17/leanback/widget/ShadowOverlayHelper.Options)
  - [SinglePresenterSelector](https://developer.android.com/reference/android/support/v17/leanback/widget/SinglePresenterSelector)
  - [SparseArrayObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/SparseArrayObjectAdapter)
  - [SpeechOrbView](https://developer.android.com/reference/android/support/v17/leanback/widget/SpeechOrbView)
  - [TitleHelper](https://developer.android.com/reference/android/support/v17/leanback/widget/TitleHelper)
  - [TitleView](https://developer.android.com/reference/android/support/v17/leanback/widget/TitleView)
  - [TitleViewAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/TitleViewAdapter)
  - [VerticalGridPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/VerticalGridPresenter)
  - [VerticalGridPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/VerticalGridPresenter.ViewHolder)
  - [VerticalGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/VerticalGridView)