# HeadersFragment 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 Deprecated since version 27.1.0 Summary:[Nested Classes](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#nestedclasses)\|[Inherited Constants](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#inhconstants)\|[Ctors](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#pubctors)\|[Methods](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#pubmethods)\|[Inherited Methods](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#inhmethods)\|[\[Expand All\]](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#) # HeadersFragment | 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package is part of the Android[support library](https://developer.android.com/topic/libraries/support-library)which is no longer maintained. The support library has been superseded by[AndroidX](https://developer.android.com/jetpack/androidx)which is part of[Jetpack](https://developer.android.com/jetpack).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 HeadersFragment ` ` `` extends `[Fragment](https://developer.android.com/reference/android/app/Fragment.html)` `` ` |---|---|--------------------------------------------------| | java.lang.Object ||| | ↳ | [android.app.Fragment](https://developer.android.com/reference/android/app/Fragment.html) || | | ↳ | android.support.v17.leanback.app.HeadersFragment |
*** ** * ** ***
**This class was deprecated in API level 27.1.0.** use[HeadersSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment) An fragment containing a list of row headers. Implementation must support three types of rows: - [DividerRow](https://developer.android.com/reference/android/support/v17/leanback/widget/DividerRow)rendered by[DividerPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/DividerPresenter). - [Row](https://developer.android.com/reference/android/support/v17/leanback/widget/Row)rendered by[RowHeaderPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter). - [SectionRow](https://developer.android.com/reference/android/support/v17/leanback/widget/SectionRow)rendered by[RowHeaderPresenter](https://developer.android.com/reference/android/support/v17/leanback/widget/RowHeaderPresenter). Use[setPresenterSelector(PresenterSelector)](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#setPresenterSelector(android.support.v17.leanback.widget.PresenterSelector))in subclass constructor to customize Presenters. App may override[onCreateHeadersFragment()](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment#onCreateHeadersFragment()).
## Summary | ### Nested classes || |--------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` interface` | [HeadersFragment.OnHeaderClickedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment.OnHeaderClickedListener) *This interface was deprecated in API level 27.1.0. use[HeadersSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment)* | | ` interface` | [HeadersFragment.OnHeaderViewSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment.OnHeaderViewSelectedListener) *This interface was deprecated in API level 27.1.0. use[HeadersSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment)* | | ### Inherited constants | |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#)From interface` android.content.ComponentCallbacks2 ` |-------|---------------------------------------| | `int` | `TRIM_MEMORY_BACKGROUND`
| | `int` | `TRIM_MEMORY_COMPLETE`
| | `int` | `TRIM_MEMORY_MODERATE`
| | `int` | `TRIM_MEMORY_RUNNING_CRITICAL`
| | `int` | `TRIM_MEMORY_RUNNING_LOW`
| | `int` | `TRIM_MEMORY_RUNNING_MODERATE`
| | `int` | `TRIM_MEMORY_UI_HIDDEN`
| | | ### Public constructors || |---------------------------------------------------------------------------------------------------------------------------------------|---| | ` `[HeadersFragment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#HeadersFragment())`() ` | | ### Public methods || |-----------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` final `[ObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter) | ` `[getAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#getAdapter())`() ` Returns the Adapter that represents list of rows. | | ` final `[ItemBridgeAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapter) | ` `[getBridgeAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#getBridgeAdapter())`() ` Returns the RecyclerView.Adapter that wraps[getAdapter()](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#getAdapter()). | | ` final `[PresenterSelector](https://developer.android.com/reference/android/support/v17/leanback/widget/PresenterSelector) | ` `[getPresenterSelector](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#getPresenterSelector())`() ` Get the presenter selector used to create and bind views. | | ` int` | ` `[getSelectedPosition](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#getSelectedPosition())`() ` Gets position of currently selected row. | | ` final `[VerticalGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/VerticalGridView) | ` `[getVerticalGridView](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#getVerticalGridView())`() ` | | ` boolean` | ` `[isScrolling](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#isScrolling())`() ` | | ` `[View](https://developer.android.com/reference/android/view/View.html) | ` `[onCreateView](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#onCreateView(android.view.LayoutInflater, android.view.ViewGroup, android.os.Bundle))`(`[LayoutInflater](https://developer.android.com/reference/android/view/LayoutInflater.html)` inflater, `[ViewGroup](https://developer.android.com/reference/android/view/ViewGroup.html)` container, `[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` savedInstanceState) ` | | ` void` | ` `[onDestroyView](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#onDestroyView())`() ` | | ` void` | ` `[onSaveInstanceState](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#onSaveInstanceState(android.os.Bundle))`(`[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` outState) ` | | ` void` | ` `[onTransitionEnd](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#onTransitionEnd())`() ` | | ` boolean` | ` `[onTransitionPrepare](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#onTransitionPrepare())`() ` | | ` void` | ` `[onTransitionStart](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#onTransitionStart())`() ` | | ` void` | ` `[onViewCreated](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#onViewCreated(android.view.View, android.os.Bundle))`(`[View](https://developer.android.com/reference/android/view/View.html)` view, `[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` savedInstanceState) ` | | ` final void` | ` `[setAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#setAdapter(android.support.v17.leanback.widget.ObjectAdapter))`(`[ObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter)` rowsAdapter) ` Sets the adapter that represents a list of rows. | | ` void` | ` `[setAlignment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#setAlignment(int))`(int windowAlignOffsetTop) ` | | ` void` | ` `[setOnHeaderClickedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#setOnHeaderClickedListener(android.support.v17.leanback.app.HeadersFragment.OnHeaderClickedListener))`(`[HeadersFragment.OnHeaderClickedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment.OnHeaderClickedListener)` listener) ` | | ` void` | ` `[setOnHeaderViewSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#setOnHeaderViewSelectedListener(android.support.v17.leanback.app.HeadersFragment.OnHeaderViewSelectedListener))`(`[HeadersFragment.OnHeaderViewSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment.OnHeaderViewSelectedListener)` listener) ` | | ` final void` | ` `[setPresenterSelector](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#setPresenterSelector(android.support.v17.leanback.widget.PresenterSelector))`(`[PresenterSelector](https://developer.android.com/reference/android/support/v17/leanback/widget/PresenterSelector)` presenterSelector) ` Set the presenter selector used to create and bind views. | | ` void` | ` `[setSelectedPosition](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#setSelectedPosition(int))`(int position) ` Sets the selected row position with smooth animation. | | ` void` | ` `[setSelectedPosition](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#setSelectedPosition(int, boolean))`(int position, boolean smooth) ` Sets the selected row position. | | ### Inherited methods | |-----------------------|---| | [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#)From class` `[android.app.Fragment](https://developer.android.com/reference/android/app/Fragment.html)` ` |------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` void` | ` dump(String arg0, FileDescriptor arg1, PrintWriter arg2, String[] arg3) ` | | ` final boolean` | ` equals(Object arg0) ` | | ` final `[Activity](https://developer.android.com/reference/android/app/Activity.html) | ` getActivity() ` | | ` boolean` | ` getAllowEnterTransitionOverlap() ` | | ` boolean` | ` getAllowReturnTransitionOverlap() ` | | ` final `[Bundle](https://developer.android.com/reference/android/os/Bundle.html) | ` getArguments() ` | | ` final `[FragmentManager](https://developer.android.com/reference/android/app/FragmentManager.html) | ` getChildFragmentManager() ` | | ` `[Context](https://developer.android.com/reference/android/content/Context.html) | ` getContext() ` | | ` `[Transition](https://developer.android.com/reference/android/transition/Transition.html) | ` getEnterTransition() ` | | ` `[Transition](https://developer.android.com/reference/android/transition/Transition.html) | ` getExitTransition() ` | | ` final `[FragmentManager](https://developer.android.com/reference/android/app/FragmentManager.html) | ` getFragmentManager() ` | | ` final Object` | ` getHost() ` | | ` final int` | ` getId() ` | | ` final `[LayoutInflater](https://developer.android.com/reference/android/view/LayoutInflater.html) | ` getLayoutInflater() ` | | ` `[LoaderManager](https://developer.android.com/reference/android/app/LoaderManager.html) | ` getLoaderManager() ` | | ` final `[Fragment](https://developer.android.com/reference/android/app/Fragment.html) | ` getParentFragment() ` | | ` `[Transition](https://developer.android.com/reference/android/transition/Transition.html) | ` getReenterTransition() ` | | ` final `[Resources](https://developer.android.com/reference/android/content/res/Resources.html) | ` getResources() ` | | ` final boolean` | ` getRetainInstance() ` | | ` `[Transition](https://developer.android.com/reference/android/transition/Transition.html) | ` getReturnTransition() ` | | ` `[Transition](https://developer.android.com/reference/android/transition/Transition.html) | ` getSharedElementEnterTransition() ` | | ` `[Transition](https://developer.android.com/reference/android/transition/Transition.html) | ` getSharedElementReturnTransition() ` | | ` final String` | ` getString(int arg0, Object... arg1) ` | | ` final String` | ` getString(int arg0) ` | | ` final String` | ` getTag() ` | | ` final `[Fragment](https://developer.android.com/reference/android/app/Fragment.html) | ` getTargetFragment() ` | | ` final int` | ` getTargetRequestCode() ` | | ` final CharSequence` | ` getText(int arg0) ` | | ` boolean` | ` getUserVisibleHint() ` | | ` `[View](https://developer.android.com/reference/android/view/View.html) | ` getView() ` | | ` final int` | ` hashCode() ` | | ` static `[Fragment](https://developer.android.com/reference/android/app/Fragment.html) | ` instantiate(`[Context](https://developer.android.com/reference/android/content/Context.html)` arg0, String arg1) ` | | ` static `[Fragment](https://developer.android.com/reference/android/app/Fragment.html) | ` instantiate(`[Context](https://developer.android.com/reference/android/content/Context.html)` arg0, String arg1, `[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg2) ` | | ` final boolean` | ` isAdded() ` | | ` final boolean` | ` isDetached() ` | | ` final boolean` | ` isHidden() ` | | ` final boolean` | ` isInLayout() ` | | ` final boolean` | ` isRemoving() ` | | ` final boolean` | ` isResumed() ` | | ` final boolean` | ` isStateSaved() ` | | ` final boolean` | ` isVisible() ` | | ` void` | ` onActivityCreated(`[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg0) ` | | ` void` | ` onActivityResult(int arg0, int arg1, `[Intent](https://developer.android.com/reference/android/content/Intent.html)` arg2) ` | | ` void` | ` onAttach(`[Activity](https://developer.android.com/reference/android/app/Activity.html)` arg0) ` | | ` void` | ` onAttach(`[Context](https://developer.android.com/reference/android/content/Context.html)` arg0) ` | | ` void` | ` onAttachFragment(`[Fragment](https://developer.android.com/reference/android/app/Fragment.html)` arg0) ` | | ` void` | ` onConfigurationChanged(`[Configuration](https://developer.android.com/reference/android/content/res/Configuration.html)` arg0) ` | | ` boolean` | ` onContextItemSelected(`[MenuItem](https://developer.android.com/reference/android/view/MenuItem.html)` arg0) ` | | ` void` | ` onCreate(`[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg0) ` | | ` `[Animator](https://developer.android.com/reference/android/animation/Animator.html) | ` onCreateAnimator(int arg0, boolean arg1, int arg2) ` | | ` void` | ` onCreateContextMenu(`[ContextMenu](https://developer.android.com/reference/android/view/ContextMenu.html)` arg0, `[View](https://developer.android.com/reference/android/view/View.html)` arg1, `[ContextMenu.ContextMenuInfo](https://developer.android.com/reference/android/view/ContextMenu.ContextMenuInfo.html)` arg2) ` | | ` void` | ` onCreateOptionsMenu(`[Menu](https://developer.android.com/reference/android/view/Menu.html)` arg0, `[MenuInflater](https://developer.android.com/reference/android/view/MenuInflater.html)` arg1) ` | | ` `[View](https://developer.android.com/reference/android/view/View.html) | ` onCreateView(`[LayoutInflater](https://developer.android.com/reference/android/view/LayoutInflater.html)` arg0, `[ViewGroup](https://developer.android.com/reference/android/view/ViewGroup.html)` arg1, `[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg2) ` | | ` void` | ` onDestroy() ` | | ` void` | ` onDestroyOptionsMenu() ` | | ` void` | ` onDestroyView() ` | | ` void` | ` onDetach() ` | | ` `[LayoutInflater](https://developer.android.com/reference/android/view/LayoutInflater.html) | ` onGetLayoutInflater(`[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg0) ` | | ` void` | ` onHiddenChanged(boolean arg0) ` | | ` void` | ` onInflate(`[AttributeSet](https://developer.android.com/reference/android/util/AttributeSet.html)` arg0, `[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg1) ` | | ` void` | ` onInflate(`[Activity](https://developer.android.com/reference/android/app/Activity.html)` arg0, `[AttributeSet](https://developer.android.com/reference/android/util/AttributeSet.html)` arg1, `[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg2) ` | | ` void` | ` onInflate(`[Context](https://developer.android.com/reference/android/content/Context.html)` arg0, `[AttributeSet](https://developer.android.com/reference/android/util/AttributeSet.html)` arg1, `[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg2) ` | | ` void` | ` onLowMemory() ` | | ` void` | ` onMultiWindowModeChanged(boolean arg0) ` | | ` void` | ` onMultiWindowModeChanged(boolean arg0, `[Configuration](https://developer.android.com/reference/android/content/res/Configuration.html)` arg1) ` | | ` boolean` | ` onOptionsItemSelected(`[MenuItem](https://developer.android.com/reference/android/view/MenuItem.html)` arg0) ` | | ` void` | ` onOptionsMenuClosed(`[Menu](https://developer.android.com/reference/android/view/Menu.html)` arg0) ` | | ` void` | ` onPause() ` | | ` void` | ` onPictureInPictureModeChanged(boolean arg0, `[Configuration](https://developer.android.com/reference/android/content/res/Configuration.html)` arg1) ` | | ` void` | ` onPictureInPictureModeChanged(boolean arg0) ` | | ` void` | ` onPrepareOptionsMenu(`[Menu](https://developer.android.com/reference/android/view/Menu.html)` arg0) ` | | ` void` | ` onRequestPermissionsResult(int arg0, String[] arg1, int[] arg2) ` | | ` void` | ` onResume() ` | | ` void` | ` onSaveInstanceState(`[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg0) ` | | ` void` | ` onStart() ` | | ` void` | ` onStop() ` | | ` void` | ` onTrimMemory(int arg0) ` | | ` void` | ` onViewCreated(`[View](https://developer.android.com/reference/android/view/View.html)` arg0, `[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg1) ` | | ` void` | ` onViewStateRestored(`[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg0) ` | | ` void` | ` postponeEnterTransition() ` | | ` void` | ` registerForContextMenu(`[View](https://developer.android.com/reference/android/view/View.html)` arg0) ` | | ` final void` | ` requestPermissions(String[] arg0, int arg1) ` | | ` void` | ` setAllowEnterTransitionOverlap(boolean arg0) ` | | ` void` | ` setAllowReturnTransitionOverlap(boolean arg0) ` | | ` void` | ` setArguments(`[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg0) ` | | ` void` | ` setEnterSharedElementCallback(`[SharedElementCallback](https://developer.android.com/reference/android/app/SharedElementCallback.html)` arg0) ` | | ` void` | ` setEnterTransition(`[Transition](https://developer.android.com/reference/android/transition/Transition.html)` arg0) ` | | ` void` | ` setExitSharedElementCallback(`[SharedElementCallback](https://developer.android.com/reference/android/app/SharedElementCallback.html)` arg0) ` | | ` void` | ` setExitTransition(`[Transition](https://developer.android.com/reference/android/transition/Transition.html)` arg0) ` | | ` void` | ` setHasOptionsMenu(boolean arg0) ` | | ` void` | ` setInitialSavedState(`[Fragment.SavedState](https://developer.android.com/reference/android/app/Fragment.SavedState.html)` arg0) ` | | ` void` | ` setMenuVisibility(boolean arg0) ` | | ` void` | ` setReenterTransition(`[Transition](https://developer.android.com/reference/android/transition/Transition.html)` arg0) ` | | ` void` | ` setRetainInstance(boolean arg0) ` | | ` void` | ` setReturnTransition(`[Transition](https://developer.android.com/reference/android/transition/Transition.html)` arg0) ` | | ` void` | ` setSharedElementEnterTransition(`[Transition](https://developer.android.com/reference/android/transition/Transition.html)` arg0) ` | | ` void` | ` setSharedElementReturnTransition(`[Transition](https://developer.android.com/reference/android/transition/Transition.html)` arg0) ` | | ` void` | ` setTargetFragment(`[Fragment](https://developer.android.com/reference/android/app/Fragment.html)` arg0, int arg1) ` | | ` void` | ` setUserVisibleHint(boolean arg0) ` | | ` boolean` | ` shouldShowRequestPermissionRationale(String arg0) ` | | ` void` | ` startActivity(`[Intent](https://developer.android.com/reference/android/content/Intent.html)` arg0) ` | | ` void` | ` startActivity(`[Intent](https://developer.android.com/reference/android/content/Intent.html)` arg0, `[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg1) ` | | ` void` | ` startActivityForResult(`[Intent](https://developer.android.com/reference/android/content/Intent.html)` arg0, int arg1) ` | | ` void` | ` startActivityForResult(`[Intent](https://developer.android.com/reference/android/content/Intent.html)` arg0, int arg1, `[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg2) ` | | ` void` | ` startIntentSenderForResult(`[IntentSender](https://developer.android.com/reference/android/content/IntentSender.html)` arg0, int arg1, `[Intent](https://developer.android.com/reference/android/content/Intent.html)` arg2, int arg3, int arg4, int arg5, `[Bundle](https://developer.android.com/reference/android/os/Bundle.html)` arg6) ` | | ` void` | ` startPostponedEnterTransition() ` | | ` String` | ` toString() ` | | ` void` | ` unregisterForContextMenu(`[View](https://developer.android.com/reference/android/view/View.html)` arg0) ` | || | [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#)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/app/HeadersFragment#)From interface` `[android.content.ComponentCallbacks2](https://developer.android.com/reference/android/content/ComponentCallbacks2.html)` ` |------------------|----------------------------| | ` abstract void` | ` onTrimMemory(int arg0) ` | || | [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#)From interface` `[android.view.View.OnCreateContextMenuListener](https://developer.android.com/reference/android/view/View.OnCreateContextMenuListener.html)` ` |------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` abstract void` | ` onCreateContextMenu(`[ContextMenu](https://developer.android.com/reference/android/view/ContextMenu.html)` arg0, `[View](https://developer.android.com/reference/android/view/View.html)` arg1, `[ContextMenu.ContextMenuInfo](https://developer.android.com/reference/android/view/ContextMenu.ContextMenuInfo.html)` arg2) ` | || | [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#)From interface` `[android.content.ComponentCallbacks](https://developer.android.com/reference/android/content/ComponentCallbacks.html)` ` |------------------|------------------------------------------------------------------------------------------------------------------------------------| | ` abstract void` | ` onConfigurationChanged(`[Configuration](https://developer.android.com/reference/android/content/res/Configuration.html)` arg0) ` | | ` abstract void` | ` onLowMemory() ` | || ## Public constructors ### HeadersFragment added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` HeadersFragment () ```

## Public methods ### getAdapter added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` ObjectAdapter getAdapter () ``` Returns the Adapter that represents list of rows.
| Returns || |------------------------------------------------------------------------------------------------------------|----------------------------------------------| | [ObjectAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ObjectAdapter) | Adapter that represents list of rows.
| ### getBridgeAdapter added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` ItemBridgeAdapter getBridgeAdapter () ``` Returns the RecyclerView.Adapter that wraps[getAdapter()](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#getAdapter()).
| Returns || |--------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [ItemBridgeAdapter](https://developer.android.com/reference/android/support/v17/leanback/widget/ItemBridgeAdapter) | The RecyclerView.Adapter that wraps[getAdapter()](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment#getAdapter()).
| ### getPresenterSelector added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` PresenterSelector getPresenterSelector () ``` Get the presenter selector used to create and bind views.
| Returns || |--------------------------------------------------------------------------------------------------------------------|--------| | [PresenterSelector](https://developer.android.com/reference/android/support/v17/leanback/widget/PresenterSelector) |
| ### getSelectedPosition added in[version 24.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` int getSelectedPosition () ``` Gets position of currently selected row.
| Returns || |-------|--------------------------------------------| | `int` | Position of currently selected row.
| ### getVerticalGridView added in[version 25.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` VerticalGridView getVerticalGridView () ```

| Returns || |------------------------------------------------------------------------------------------------------------------|--------| | [VerticalGridView](https://developer.android.com/reference/android/support/v17/leanback/widget/VerticalGridView) |
| ### isScrolling added in[version 24.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` boolean isScrolling () ```

| Returns || |-----------|--------| | `boolean` |
| ### onCreateView ``` View onCreateView (LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) ```

| Parameters || |----------------------|-------------------------| | `inflater` | `LayoutInflater`
| | `container` | `ViewGroup`
| | `savedInstanceState` | `Bundle`
| | Returns || |------------------------------------------------------------------------|--------| | [View](https://developer.android.com/reference/android/view/View.html) |
| ### onDestroyView ``` void onDestroyView () ```

### onSaveInstanceState ``` void onSaveInstanceState (Bundle outState) ```

| Parameters || |------------|-----------------| | `outState` | `Bundle`
| ### onTransitionEnd added in[version 24.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void onTransitionEnd () ```

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

| Returns || |-----------|--------| | `boolean` |
| ### onTransitionStart added in[version 24.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void onTransitionStart () ```

### onViewCreated ``` void onViewCreated (View view, Bundle savedInstanceState) ```

| Parameters || |----------------------|-----------------| | `view` | `View`
| | `savedInstanceState` | `Bundle`
| ### setAdapter added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setAdapter (ObjectAdapter rowsAdapter) ``` Sets the adapter that represents a list of rows.
| Parameters || |---------------|---------------------------------------------------------------| | `rowsAdapter` | `ObjectAdapter`: Adapter that represents list of rows.
| ### setAlignment added in[version 24.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setAlignment (int windowAlignOffsetTop) ```

| Parameters || |------------------------|--------------| | `windowAlignOffsetTop` | `int`
| ### setOnHeaderClickedListener added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setOnHeaderClickedListener (HeadersFragment.OnHeaderClickedListener listener) ```

| Parameters || |------------|--------------------------------------------------| | `listener` | `HeadersFragment.OnHeaderClickedListener`
| ### setOnHeaderViewSelectedListener added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setOnHeaderViewSelectedListener (HeadersFragment.OnHeaderViewSelectedListener listener) ```

| Parameters || |------------|-------------------------------------------------------| | `listener` | `HeadersFragment.OnHeaderViewSelectedListener`
| ### setPresenterSelector added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setPresenterSelector (PresenterSelector presenterSelector) ``` Set the presenter selector used to create and bind views.
| Parameters || |---------------------|----------------------------| | `presenterSelector` | `PresenterSelector`
| ### setSelectedPosition added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setSelectedPosition (int position) ``` Sets the selected row position with smooth animation.
| Parameters || |------------|--------------| | `position` | `int`
| ### setSelectedPosition added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setSelectedPosition (int position, boolean smooth) ``` Sets the selected row position.
| Parameters || |------------|------------------| | `position` | `int`
| | `smooth` | `boolean`
| - ## Interfaces - [BrowseFragment.FragmentHost](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.FragmentHost) - [BrowseFragment.MainFragmentAdapterProvider](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.MainFragmentAdapterProvider) - [BrowseFragment.MainFragmentRowsAdapterProvider](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.MainFragmentRowsAdapterProvider) - [BrowseSupportFragment.FragmentHost](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.FragmentHost) - [BrowseSupportFragment.MainFragmentAdapterProvider](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentAdapterProvider) - [BrowseSupportFragment.MainFragmentRowsAdapterProvider](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentRowsAdapterProvider) - [HeadersFragment.OnHeaderClickedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment.OnHeaderClickedListener) - [HeadersFragment.OnHeaderViewSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment.OnHeaderViewSelectedListener) - [HeadersSupportFragment.OnHeaderClickedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment.OnHeaderClickedListener) - [HeadersSupportFragment.OnHeaderViewSelectedListener](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment.OnHeaderViewSelectedListener) - [SearchFragment.SearchResultProvider](https://developer.android.com/reference/android/support/v17/leanback/app/SearchFragment.SearchResultProvider) - [SearchSupportFragment.SearchResultProvider](https://developer.android.com/reference/android/support/v17/leanback/app/SearchSupportFragment.SearchResultProvider) - ## Classes - [BackgroundManager](https://developer.android.com/reference/android/support/v17/leanback/app/BackgroundManager) - [BaseFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BaseFragment) - [BaseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BaseSupportFragment) - [BrandedFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrandedFragment) - [BrandedSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrandedSupportFragment) - [BrowseFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment) - [BrowseFragment.BrowseTransitionListener](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.BrowseTransitionListener) - [BrowseFragment.FragmentFactory](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.FragmentFactory) - [BrowseFragment.ListRowFragmentFactory](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.ListRowFragmentFactory) - [BrowseFragment.MainFragmentAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.MainFragmentAdapter) - [BrowseFragment.MainFragmentAdapterRegistry](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.MainFragmentAdapterRegistry) - [BrowseFragment.MainFragmentRowsAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseFragment.MainFragmentRowsAdapter) - [BrowseSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment) - [BrowseSupportFragment.BrowseTransitionListener](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.BrowseTransitionListener) - [BrowseSupportFragment.FragmentFactory](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.FragmentFactory) - [BrowseSupportFragment.ListRowFragmentFactory](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.ListRowFragmentFactory) - [BrowseSupportFragment.MainFragmentAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentAdapter) - [BrowseSupportFragment.MainFragmentAdapterRegistry](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentAdapterRegistry) - [BrowseSupportFragment.MainFragmentRowsAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/BrowseSupportFragment.MainFragmentRowsAdapter) - [DetailsFragment](https://developer.android.com/reference/android/support/v17/leanback/app/DetailsFragment) - [DetailsFragmentBackgroundController](https://developer.android.com/reference/android/support/v17/leanback/app/DetailsFragmentBackgroundController) - [DetailsSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/DetailsSupportFragment) - [DetailsSupportFragmentBackgroundController](https://developer.android.com/reference/android/support/v17/leanback/app/DetailsSupportFragmentBackgroundController) - [ErrorFragment](https://developer.android.com/reference/android/support/v17/leanback/app/ErrorFragment) - [ErrorSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/ErrorSupportFragment) - [GuidedStepFragment](https://developer.android.com/reference/android/support/v17/leanback/app/GuidedStepFragment) - [GuidedStepSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/GuidedStepSupportFragment) - [HeadersFragment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersFragment) - [HeadersSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/HeadersSupportFragment) - [OnboardingFragment](https://developer.android.com/reference/android/support/v17/leanback/app/OnboardingFragment) - [OnboardingSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/OnboardingSupportFragment) - [PlaybackFragment](https://developer.android.com/reference/android/support/v17/leanback/app/PlaybackFragment) - [PlaybackFragmentGlueHost](https://developer.android.com/reference/android/support/v17/leanback/app/PlaybackFragmentGlueHost) - [PlaybackSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/PlaybackSupportFragment) - [PlaybackSupportFragmentGlueHost](https://developer.android.com/reference/android/support/v17/leanback/app/PlaybackSupportFragmentGlueHost) - [ProgressBarManager](https://developer.android.com/reference/android/support/v17/leanback/app/ProgressBarManager) - [RowsFragment](https://developer.android.com/reference/android/support/v17/leanback/app/RowsFragment) - [RowsFragment.MainFragmentAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/RowsFragment.MainFragmentAdapter) - [RowsFragment.MainFragmentRowsAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/RowsFragment.MainFragmentRowsAdapter) - [RowsSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/RowsSupportFragment) - [RowsSupportFragment.MainFragmentAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/RowsSupportFragment.MainFragmentAdapter) - [RowsSupportFragment.MainFragmentRowsAdapter](https://developer.android.com/reference/android/support/v17/leanback/app/RowsSupportFragment.MainFragmentRowsAdapter) - [SearchFragment](https://developer.android.com/reference/android/support/v17/leanback/app/SearchFragment) - [SearchSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/SearchSupportFragment) - [VerticalGridFragment](https://developer.android.com/reference/android/support/v17/leanback/app/VerticalGridFragment) - [VerticalGridSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/VerticalGridSupportFragment) - [VideoFragment](https://developer.android.com/reference/android/support/v17/leanback/app/VideoFragment) - [VideoFragmentGlueHost](https://developer.android.com/reference/android/support/v17/leanback/app/VideoFragmentGlueHost) - [VideoSupportFragment](https://developer.android.com/reference/android/support/v17/leanback/app/VideoSupportFragment) - [VideoSupportFragmentGlueHost](https://developer.android.com/reference/android/support/v17/leanback/app/VideoSupportFragmentGlueHost)