# RowHeaderPresenter

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:[Nested Classes](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#nestedclasses)\|[Ctors](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#pubctors)\|[Methods](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#pubmethods)\|[Protected Methods](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#promethods)\|[Inherited Methods](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#inhmethods)\|[\[Expand All\]](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#)  

# RowHeaderPresenter

| 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package is part of the Android[support library](https://developer.android.com/topic/libraries/support-library)which is no longer maintained. The support library has been superseded by[AndroidX](https://developer.android.com/jetpack/androidx)which is part of[Jetpack](https://developer.android.com/jetpack).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
RowHeaderPresenter
`  
`


``

extends `[Presenter](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter)`


``


`

|---|---|--------------------------------------------------------|
| java.lang.Object                                             |||
| ↳ | [android.support.v17.leanback.widget.Presenter](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter) ||
|   | ↳ | android.support.v17.leanback.widget.RowHeaderPresenter |

<br />

*** ** * ** ***

RowHeaderPresenter provides a default presentation for[HeaderItem](https://developer.android.com/reference/android/support/v17/leanback/widget/HeaderItem)using a[RowHeaderView](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderView)and optionally a TextView for description. If a subclass creates its own view, the subclass must also override[onCreateViewHolder(ViewGroup)](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#onCreateViewHolder(android.view.ViewGroup)),[onSelectLevelChanged(ViewHolder)](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#onSelectLevelChanged(android.support.v17.leanback.widget.RowHeaderPresenter.ViewHolder)).

## Summary

|                                                                                      ### Nested classes                                                                                       ||
|----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` class` | [RowHeaderPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter.ViewHolder) A ViewHolder for the RowHeaderPresenter. |

|                                                                                                      ### Public constructors                                                                                                       ||
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| ` `[RowHeaderPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#RowHeaderPresenter())`() ` Creates default RowHeaderPresenter using a title view and a description view. |

|                                                                                                                                                                                                                                                                                                    ### Public methods                                                                                                                                                                                                                                                                                                     ||
|-----------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` int`                                                                                                                      | ` `[getSpaceUnderBaseline](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#getSpaceUnderBaseline(android.support.v17.leanback.widget.RowHeaderPresenter.ViewHolder))`(`[RowHeaderPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter.ViewHolder)` holder) ` Returns the space (distance in pixels) below the baseline of the text view, if one exists; otherwise, returns 0. |
| ` boolean`                                                                                                                  | ` `[isNullItemVisibilityGone](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#isNullItemVisibilityGone())`() ` Returns true if the view visibility is set to[GONE](https://developer.android.com/reference/android/view/View.html#GONE)when bound to null.                                                                                                                                                                                    |
| ` void`                                                                                                                     | ` `[onBindViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#onBindViewHolder(android.support.v17.leanback.widget.Presenter.ViewHolder, java.lang.Object))`(`[Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder)` viewHolder, Object item) ` Binds a[View](https://developer.android.com/reference/android/view/View.html)to an item.                           |
| ` `[Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder) | ` `[onCreateViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#onCreateViewHolder(android.view.ViewGroup))`(`[ViewGroup](https://developer.android.com/reference/android/view/ViewGroup.html)` parent) ` Creates a new[View](https://developer.android.com/reference/android/view/View.html).                                                                                                                                        |
| ` void`                                                                                                                     | ` `[onUnbindViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#onUnbindViewHolder(android.support.v17.leanback.widget.Presenter.ViewHolder))`(`[Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder)` viewHolder) ` Unbinds a[View](https://developer.android.com/reference/android/view/View.html)from an item.                                                  |
| ` void`                                                                                                                     | ` `[setNullItemVisibilityGone](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#setNullItemVisibilityGone(boolean))`(boolean nullItemVisibilityGone) ` Optionally sets the view visibility to[GONE](https://developer.android.com/reference/android/view/View.html#GONE)when bound to null.                                                                                                                                                    |
| ` final void`                                                                                                               | ` `[setSelectLevel](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#setSelectLevel(android.support.v17.leanback.widget.RowHeaderPresenter.ViewHolder, float))`(`[RowHeaderPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter.ViewHolder)` holder, float selectLevel) ` Sets the select level.                                                                               |

|                                                                                                                                                                                                      ### Protected methods                                                                                                                                                                                                       ||
|-----------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` static float` | ` `[getFontDescent](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#getFontDescent(android.widget.TextView, android.graphics.Paint))`(`[TextView](https://developer.android.com/reference/android/widget/TextView.html)` textView, `[Paint](https://developer.android.com/reference/android/graphics/Paint.html)` fontMeasurePaint) `                            |
| ` void`         | ` `[onSelectLevelChanged](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#onSelectLevelChanged(android.support.v17.leanback.widget.RowHeaderPresenter.ViewHolder))`(`[RowHeaderPresenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter.ViewHolder)` holder) ` Called when the select level changes. |

| ### Inherited methods |
|-----------------------|---|
| [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#)From class` `[android.support.v17.leanback.widget.Presenter](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter)` ` |--------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` static void`                                                                                                                       | ` `[cancelAnimationsRecursive](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter#cancelAnimationsRecursive(android.view.View))`(`[View](https://developer.android.com/reference/android/view/View.html)` view) ` Utility method for removing all running animations on a view.                                                                                                                                                                                                                                | | ` final Object`                                                                                                                      | ` `[getFacet](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter#getFacet(java.lang.Class<?>))`(Class<?> facetClass) ` Queries optional implemented facet.                                                                                                                                                                                                                                                                                                                                                     | | ` abstract void`                                                                                                                     | ` `[onBindViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter#onBindViewHolder(android.support.v17.leanback.widget.Presenter.ViewHolder, java.lang.Object))`(`[Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder)` viewHolder, Object item) ` Binds a[View](https://developer.android.com/reference/android/view/View.html)to an item.                                                                                         | | ` void`                                                                                                                              | ` `[onBindViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter#onBindViewHolder(android.support.v17.leanback.widget.Presenter.ViewHolder, java.lang.Object, java.util.List<java.lang.Object>))`(`[Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder)` viewHolder, Object item, List<Object> payloads) ` Binds a[View](https://developer.android.com/reference/android/view/View.html)to an item with a list of payloads.        | | ` abstract `[Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder) | ` `[onCreateViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter#onCreateViewHolder(android.view.ViewGroup))`(`[ViewGroup](https://developer.android.com/reference/android/view/ViewGroup.html)` parent) ` Creates a new[View](https://developer.android.com/reference/android/view/View.html).                                                                                                                                                                                                      | | ` abstract void`                                                                                                                     | ` `[onUnbindViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter#onUnbindViewHolder(android.support.v17.leanback.widget.Presenter.ViewHolder))`(`[Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder)` viewHolder) ` Unbinds a[View](https://developer.android.com/reference/android/view/View.html)from an item.                                                                                                                | | ` void`                                                                                                                              | ` `[onViewAttachedToWindow](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter#onViewAttachedToWindow(android.support.v17.leanback.widget.Presenter.ViewHolder))`(`[Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder)` holder) ` Called when a view created by this presenter has been attached to a window.                                                                                                                             | | ` void`                                                                                                                              | ` `[onViewDetachedFromWindow](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter#onViewDetachedFromWindow(android.support.v17.leanback.widget.Presenter.ViewHolder))`(`[Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder)` holder) ` Called when a view created by this presenter has been detached from its window.                                                                                                                     | | ` final void`                                                                                                                        | ` `[setFacet](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter#setFacet(java.lang.Class<?>, java.lang.Object))`(Class<?> facetClass, Object facetImpl) ` Sets dynamic implemented facet in addition to basic Presenter functions.                                                                                                                                                                                                                                                                            | | ` void`                                                                                                                              | ` `[setOnClickListener](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter#setOnClickListener(android.support.v17.leanback.widget.Presenter.ViewHolder, android.view.View.OnClickListener))`(`[Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder)` holder, `[View.OnClickListener](https://developer.android.com/reference/android/view/View.OnClickListener.html)` listener) ` Called to set a click listener for the given view holder. | ||
| [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#)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() `                    | ||
| [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter#)From interface` `[android.support.v17.leanback.widget.FacetProvider](https://developer.android.com/reference/android/support/v17/leanback/widget/FacetProvider)` ` |--------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` abstract Object` | ` `[getFacet](https://developer.android.com/reference/android/support/v17/leanback/widget/FacetProvider#getFacet(java.lang.Class<?>))`(Class<?> facetClass) ` Queries optional implemented facet. | ||

## Public constructors

### RowHeaderPresenter

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

```
RowHeaderPresenter ()
```

Creates default RowHeaderPresenter using a title view and a description view.

<br />

**See also:**

- [ERROR(/ViewHolder#ViewHolder(View))](https://developer.android.com/)

## Public methods

### getSpaceUnderBaseline

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

```
int getSpaceUnderBaseline (RowHeaderPresenter.ViewHolder holder)
```

Returns the space (distance in pixels) below the baseline of the text view, if one exists; otherwise, returns 0.

<br />

|                    Parameters                    ||
|----------|----------------------------------------|
| `holder` | `RowHeaderPresenter.ViewHolder` <br /> |

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

### isNullItemVisibilityGone

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

```
boolean isNullItemVisibilityGone ()
```

Returns true if the view visibility is set to[GONE](https://developer.android.com/reference/android/view/View.html#GONE)when bound to null.

<br />

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

### onBindViewHolder

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

```
void onBindViewHolder (Presenter.ViewHolder viewHolder, 
                Object item)
```

Binds a[View](https://developer.android.com/reference/android/view/View.html)to an item.

<br />

|                 Parameters                  ||
|--------------|-------------------------------|
| `viewHolder` | `Presenter.ViewHolder` <br /> |
| `item`       | `Object` <br />               |

### onCreateViewHolder

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

```
Presenter.ViewHolder onCreateViewHolder (ViewGroup parent)
```

Creates a new[View](https://developer.android.com/reference/android/view/View.html).

<br />

|          Parameters          ||
|----------|--------------------|
| `parent` | `ViewGroup` <br /> |

|                                                             Returns                                                              ||
|--------------------------------------------------------------------------------------------------------------------------|--------|
| [Presenter.ViewHolder](https://developer.android.com/reference/android/support/v17/leanback/widget/Presenter.ViewHolder) | <br /> |

### onUnbindViewHolder

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

```
void onUnbindViewHolder (Presenter.ViewHolder viewHolder)
```

Unbinds a[View](https://developer.android.com/reference/android/view/View.html)from an item. Any expensive references may be released here, and any fields that are not bound for every item should be cleared here.

<br />

|                 Parameters                  ||
|--------------|-------------------------------|
| `viewHolder` | `Presenter.ViewHolder` <br /> |

### setNullItemVisibilityGone

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

```
void setNullItemVisibilityGone (boolean nullItemVisibilityGone)
```

Optionally sets the view visibility to[GONE](https://developer.android.com/reference/android/view/View.html#GONE)when bound to null.

<br />

|                 Parameters                 ||
|--------------------------|------------------|
| `nullItemVisibilityGone` | `boolean` <br /> |

### setSelectLevel

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

```
void setSelectLevel (RowHeaderPresenter.ViewHolder holder, 
                float selectLevel)
```

Sets the select level.

<br />

|                      Parameters                       ||
|---------------|----------------------------------------|
| `holder`      | `RowHeaderPresenter.ViewHolder` <br /> |
| `selectLevel` | `float` <br />                         |

## Protected methods

### getFontDescent

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

```
float getFontDescent (TextView textView, 
                Paint fontMeasurePaint)
```

<br />

<br />

|              Parameters               ||
|--------------------|-------------------|
| `textView`         | `TextView` <br /> |
| `fontMeasurePaint` | `Paint` <br />    |

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

### onSelectLevelChanged

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

```
void onSelectLevelChanged (RowHeaderPresenter.ViewHolder holder)
```

Called when the select level changes. The default implementation sets the alpha on the view.

<br />

|                    Parameters                    ||
|----------|----------------------------------------|
| `holder` | `RowHeaderPresenter.ViewHolder` <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)