BaseLeanbackPreferenceFragmentCompat

Artifact: androidx.leanback:leanback-preference

Added in 1.1.0

Kotlin |Java

abstract class BaseLeanbackPreferenceFragmentCompat : PreferenceFragmentCompat

kotlin.Any
↳	androidx.fragment.app.Fragment
	↳	androidx.preference.PreferenceFragmentCompat
		↳	androidx.leanback.preference.BaseLeanbackPreferenceFragmentCompat

Known direct subclasses

LeanbackPreferenceFragmentCompat

LeanbackPreferenceFragmentCompat

This fragment provides a fully decorated leanback-style preference fragment, including a list background and header.

This fragment provides a preference fragment with leanback-style behavior, suitable for embedding into broader UI elements.

Summary

Public constructors
`BaseLeanbackPreferenceFragmentCompat()`

Public functions
`Context?`	`getContext()` Return the `Context` this fragment is currently associated with.
`RecyclerView!`	`onCreateRecyclerView( inflater: LayoutInflater!, parent: ViewGroup!, savedInstanceState: Bundle! )` Creates the `RecyclerView` used to display the preferences.

Inherited Constants

From androidx.preference.PreferenceFragmentCompat

const String!

ARG_PREFERENCE_ROOT = "androidx.preference.PreferenceFragmentCompat.PREFERENCE_ROOT"

Fragment argument used to specify the tag of the desired root PreferenceScreen object.

Inherited functions

From androidx.activity.result.ActivityResultCaller

abstract ActivityResultLauncher<I!>!

<I, O> registerForActivityResult(
    contract: ActivityResultContract<I!, O!>!,
    callback: ActivityResultCallback<O!>!
)

From android.content.ComponentCallbacks

`abstract Unit`	`onConfigurationChanged(p: Configuration!)`
`abstract Unit`	`onLowMemory()`

From androidx.fragment.app.Fragment

`Unit`	`dump( prefix: String, fd: FileDescriptor?, writer: PrintWriter, args: Array<String!>? )` Print the Fragments's state into the given stream.
`Boolean`	`equals(o: Any?)` Subclasses can not override equals().
`FragmentActivity?`	`getActivity()` Return the `FragmentActivity` this fragment is currently associated with.
`Boolean`	`getAllowEnterTransitionOverlap()` Returns whether the the exit transition and enter transition overlap or not.
`Boolean`	`getAllowReturnTransitionOverlap()` Returns whether the the return transition and reenter transition overlap or not.
`Bundle?`	`getArguments()` Return the arguments supplied when the fragment was instantiated, if any.
`FragmentManager`	`getChildFragmentManager()` Return a private FragmentManager for placing and managing Fragments inside of this Fragment.
`CreationExtras`	`@CallSuper getDefaultViewModelCreationExtras()` The `Fragment's arguments` when this is first called will be used as the defaults to any `androidx.lifecycle.SavedStateHandle` passed to a view model created using this extra.
`ViewModelProvider.Factory`	`getDefaultViewModelProviderFactory()`
`Any?`	`getEnterTransition()` Returns the Transition that will be used to move Views into the initial scene.
`Any?`	`getExitTransition()` Returns the Transition that will be used to move Views out of the scene when the fragment is removed, hidden, or detached when not popping the back stack.
`FragmentManager?`	`getFragmentManager()` This function is deprecated. This has been removed in favor of `getParentFragmentManager()` which throws an `IllegalStateException` if the FragmentManager is null.
`Any?`	`getHost()` Return the host object of this fragment.
`Int`	`getId()` Return the identifier this fragment is known by.
`LayoutInflater`	`getLayoutInflater()` Returns the cached LayoutInflater used to inflate Views of this Fragment.
`Lifecycle`	`getLifecycle()` Overriding this method is no longer supported and this method will be made `final` in a future version of Fragment.
`LoaderManager`	`getLoaderManager()` This function is deprecated. Use `LoaderManager.getInstance(this)`.
`Fragment?`	`getParentFragment()` Returns the parent Fragment containing this Fragment.
`FragmentManager`	`getParentFragmentManager()` Return the FragmentManager for interacting with fragments associated with this fragment's activity.
`Any?`	`getReenterTransition()` Returns the Transition that will be used to move Views in to the scene when returning due to popping a back stack.
`Resources`	`getResources()` Return `requireActivity().getResources()`.
`Boolean`	`getRetainInstance()` This function is deprecated. Instead of retaining the Fragment itself, use a non-retained Fragment and keep retained state in a ViewModel attached to that Fragment.
`Any?`	`getReturnTransition()` Returns the Transition that will be used to move Views out of the scene when the Fragment is preparing to be removed, hidden, or detached because of popping the back stack.
`SavedStateRegistry`	`getSavedStateRegistry()`
`Any?`	`getSharedElementEnterTransition()` Returns the Transition that will be used for shared elements transferred into the content Scene.
`Any?`	`getSharedElementReturnTransition()` Return the Transition that will be used for shared elements transferred back during a pop of the back stack.
`String`	`getString(resId: @StringRes Int)` Return a localized string from the application's package's default string table.
`String`	`getString(resId: @StringRes Int, formatArgs: Array<Any!>?)` Return a localized formatted string from the application's package's default string table, substituting the format arguments as defined in `java.util.Formatter` and format.
`String?`	`getTag()` Get the tag name of the fragment, if specified.
`Fragment?`	`getTargetFragment()` This function is deprecated. Instead of using a target fragment to pass results, use `setFragmentResult` to deliver results to `FragmentResultListener` instances registered by other fragments via `setFragmentResultListener`.
`Int`	`getTargetRequestCode()` This function is deprecated. When using the target fragment replacement of `setFragmentResultListener` and `setFragmentResult`, consider using `setArguments` to pass a `requestKey` if you need to support dynamic request keys.
`CharSequence`	`getText(resId: @StringRes Int)` Return a localized, styled CharSequence from the application's package's default string table.
`Boolean`	`getUserVisibleHint()` This function is deprecated. Use `setMaxLifecycle` instead.
`View?`	`getView()` Get the root view for the fragment's layout (the one returned by `onCreateView`), if provided.
`LifecycleOwner`	`@MainThread getViewLifecycleOwner()` Get a `LifecycleOwner` that represents the `Fragment's View` lifecycle.
`LiveData<LifecycleOwner!>`	`getViewLifecycleOwnerLiveData()` Retrieve a `LiveData` which allows you to observe the `lifecycle of the Fragment's View`.
`ViewModelStore`	`getViewModelStore()` Returns the `ViewModelStore` associated with this Fragment
`Int`	`hashCode()` Subclasses can not override hashCode().
`java-static Fragment`	`instantiate(context: Context, fname: String)` This function is deprecated. Use `getFragmentFactory` and `instantiate`
`java-static Fragment`	`instantiate(context: Context, fname: String, args: Bundle?)` This function is deprecated. Use `getFragmentFactory` and `instantiate`, manually calling `setArguments` on the returned Fragment.
`Boolean`	`isAdded()` Return true if the fragment is currently added to its activity.
`Boolean`	`isDetached()` Return true if the fragment has been explicitly detached from the UI.
`Boolean`	`isHidden()` Return true if the fragment has been hidden.
`Boolean`	`isInLayout()` Return true if the layout is included as part of an activity view hierarchy via the tag.
`Boolean`	`isRemoving()` Return true if this fragment is currently being removed from its activity.
`Boolean`	`isResumed()` Return true if the fragment is in the resumed state.
`Boolean`	`isStateSaved()` Returns true if this fragment is added and its state has already been saved by its host.
`Boolean`	`isVisible()` Return true if the fragment is currently visible to the user.
`Unit`	`@MainThread @CallSuper onActivityCreated(savedInstanceState: Bundle?)` This function is deprecated. use `onViewCreated` for code touching the view created by `onCreateView` and `onCreate` for other initialization.
`Unit`	`onActivityResult(requestCode: Int, resultCode: Int, data: Intent?)` This function is deprecated. This method has been deprecated in favor of using the Activity Result API which brings increased type safety via an `ActivityResultContract` and the prebuilt contracts for common intents available in `androidx.activity.result.contract.ActivityResultContracts`, provides hooks for testing, and allow receiving results in separate, testable classes independent from your fragment.
`Unit`	`@MainThread @CallSuper onAttach(activity: Activity)` This function is deprecated. See `onAttach`.
`Unit`	`@MainThread @CallSuper onAttach(context: Context)` Called when a fragment is first attached to its context.
`Unit`	`@MainThread onAttachFragment(childFragment: Fragment)` This function is deprecated. The responsibility for listening for fragments being attached has been moved to FragmentManager.
`Unit`	`@CallSuper onConfigurationChanged(newConfig: Configuration)`
`Boolean`	`@MainThread onContextItemSelected(item: MenuItem)` This hook is called whenever an item in a context menu is selected.
`Animation?`	`@MainThread onCreateAnimation(transit: Int, enter: Boolean, nextAnim: Int)` Called when a fragment loads an animation.
`Animator?`	`@MainThread onCreateAnimator(transit: Int, enter: Boolean, nextAnim: Int)` Called when a fragment loads an animator.
`Unit`	`@MainThread onCreateContextMenu( menu: ContextMenu, v: View, menuInfo: ContextMenu.ContextMenuInfo? )` Called when a context menu for the `view` is about to be shown.
`Unit`	`@MainThread onCreateOptionsMenu(menu: Menu, inflater: MenuInflater)` This function is deprecated. `androidx.activity.ComponentActivity` now implements `MenuHost`, an interface that allows any component, including your activity itself, to add menu items by calling addMenuProvider without forcing all components through this single method override.
`Unit`	`@MainThread @CallSuper onDestroy()` Called when the fragment is no longer in use.
`Unit`	`@MainThread onDestroyOptionsMenu()` This function is deprecated. `androidx.activity.ComponentActivity` now implements `MenuHost`, an interface that allows any component, including your activity itself, to add menu items by calling addMenuProvider without forcing all components through this single method override.
`Unit`	`@MainThread @CallSuper onDetach()` Called when the fragment is no longer attached to its activity.
`LayoutInflater`	`onGetLayoutInflater(savedInstanceState: Bundle?)` Returns the LayoutInflater used to inflate Views of this Fragment.
`Unit`	`@MainThread onHiddenChanged(hidden: Boolean)` Called when the hidden state (as returned by `isHidden` of the fragment or another fragment in its hierarchy has changed.
`Unit`	`@UiThread @CallSuper onInflate( activity: Activity, attrs: AttributeSet, savedInstanceState: Bundle? )` This function is deprecated. See `onInflate`.
`Unit`	`@UiThread @CallSuper onInflate( context: Context, attrs: AttributeSet, savedInstanceState: Bundle? )` Called when a fragment is being created as part of a view layout inflation, typically from setting the content view of an activity.
`Unit`	`@MainThread @CallSuper onLowMemory()`
`Unit`	`onMultiWindowModeChanged(isInMultiWindowMode: Boolean)` Called when the Fragment's activity changes from fullscreen mode to multi-window mode and visa-versa.
`Boolean`	`@MainThread onOptionsItemSelected(item: MenuItem)` This function is deprecated. `androidx.activity.ComponentActivity` now implements `MenuHost`, an interface that allows any component, including your activity itself, to add menu items by calling addMenuProvider without forcing all components through this single method override.
`Unit`	`@MainThread onOptionsMenuClosed(menu: Menu)` This function is deprecated. `androidx.activity.ComponentActivity` now implements `MenuHost`, an interface that allows any component, including your activity itself, to add menu items by calling addMenuProvider without forcing all components through this single method override.
`Unit`	`@MainThread @CallSuper onPause()` Called when the Fragment is no longer resumed.
`Unit`	`onPictureInPictureModeChanged(isInPictureInPictureMode: Boolean)` Called by the system when the activity changes to and from picture-in-picture mode.
`Unit`	`@MainThread onPrepareOptionsMenu(menu: Menu)` This function is deprecated. `androidx.activity.ComponentActivity` now implements `MenuHost`, an interface that allows any component, including your activity itself, to add menu items by calling addMenuProvider without forcing all components through this single method override.
`Unit`	`@MainThread onPrimaryNavigationFragmentChanged( isPrimaryNavigationFragment: Boolean )` Callback for when the primary navigation state of this Fragment has changed.
`Unit`	`onRequestPermissionsResult( requestCode: Int, permissions: Array<String!>, grantResults: IntArray )` This function is deprecated. This method has been deprecated in favor of using the Activity Result API which brings increased type safety via an `ActivityResultContract` and the prebuilt contracts for common intents available in `androidx.activity.result.contract.ActivityResultContracts`, provides hooks for testing, and allow receiving results in separate, testable classes independent from your fragment.
`Unit`	`@MainThread @CallSuper onResume()` Called when the fragment is visible to the user and actively running.
`Unit`	`@MainThread @CallSuper onViewStateRestored(savedInstanceState: Bundle?)` Called when all saved state has been restored into the view hierarchy of the fragment.
`Unit`	`postponeEnterTransition()` Postpone the entering Fragment transition until `startPostponedEnterTransition` or `executePendingTransactions` has been called.
`Unit`	`postponeEnterTransition(duration: Long, timeUnit: TimeUnit)` Postpone the entering Fragment transition for a given amount of time and then call `startPostponedEnterTransition`.
`ActivityResultLauncher<I!>`	`@MainThread <I, O> registerForActivityResult( contract: ActivityResultContract<I!, O!>, callback: ActivityResultCallback<O!> )` Register a request to `start an activity for result`, designated by the given `contract`.
`ActivityResultLauncher<I!>`	`@MainThread <I, O> registerForActivityResult( contract: ActivityResultContract<I!, O!>, registry: ActivityResultRegistry, callback: ActivityResultCallback<O!> )` Register a request to `start an activity for result`, designated by the given `contract`.
`Unit`	`registerForContextMenu(view: View)` Registers a context menu to be shown for the given view (multiple views can show the context menu).
`Unit`	`requestPermissions(permissions: Array<String!>, requestCode: Int)` This function is deprecated. This method has been deprecated in favor of using the Activity Result API which brings increased type safety via an `ActivityResultContract` and the prebuilt contracts for common intents available in `androidx.activity.result.contract.ActivityResultContracts`, provides hooks for testing, and allow receiving results in separate, testable classes independent from your fragment.
`FragmentActivity`	`requireActivity()` Return the `FragmentActivity` this fragment is currently associated with.
`Bundle`	`requireArguments()` Return the arguments supplied when the fragment was instantiated.
`Context`	`requireContext()` Return the `Context` this fragment is currently associated with.
`FragmentManager`	`requireFragmentManager()` This function is deprecated. This has been renamed to `getParentFragmentManager()` to make it clear that you are accessing the FragmentManager that contains this Fragment and not the FragmentManager associated with child Fragments.
`Any`	`requireHost()` Return the host object of this fragment.
`Fragment`	`requireParentFragment()` Returns the parent Fragment containing this Fragment.
`View`	`requireView()` Get the root view for the fragment's layout (the one returned by `onCreateView`).
`Unit`	`setAllowEnterTransitionOverlap(allow: Boolean)` Sets whether the the exit transition and enter transition overlap or not.
`Unit`	`setAllowReturnTransitionOverlap(allow: Boolean)` Sets whether the the return transition and reenter transition overlap or not.
`Unit`	`setArguments(args: Bundle?)` Supply the construction arguments for this fragment.
`Unit`	`setEnterSharedElementCallback(callback: SharedElementCallback?)` When custom transitions are used with Fragments, the enter transition callback is called when this Fragment is attached or detached when not popping the back stack.
`Unit`	`setEnterTransition(transition: Any?)` Sets the Transition that will be used to move Views into the initial scene.
`Unit`	`setExitSharedElementCallback(callback: SharedElementCallback?)` When custom transitions are used with Fragments, the exit transition callback is called when this Fragment is attached or detached when popping the back stack.
`Unit`	`setExitTransition(transition: Any?)` Sets the Transition that will be used to move Views out of the scene when the fragment is removed, hidden, or detached when not popping the back stack.
`Unit`	`setHasOptionsMenu(hasMenu: Boolean)` This function is deprecated. This method is no longer needed when using a `MenuProvider` to provide a `Menu` to your activity, which replaces `onCreateOptionsMenu` as the recommended way to provide a consistent, optionally `Lifecycle`-aware, and modular way to handle menu creation and item selection.
`Unit`	`setInitialSavedState(state: Fragment.SavedState?)` Set the initial saved state that this Fragment should restore itself from when first being constructed, as returned by `FragmentManager.saveFragmentInstanceState`.
`Unit`	`setMenuVisibility(menuVisible: Boolean)` Set a hint for whether this fragment's menu should be visible.
`Unit`	`setReenterTransition(transition: Any?)` Sets the Transition that will be used to move Views in to the scene when returning due to popping a back stack.
`Unit`	`setRetainInstance(retain: Boolean)` This function is deprecated. Instead of retaining the Fragment itself, use a non-retained Fragment and keep retained state in a ViewModel attached to that Fragment.
`Unit`	`setReturnTransition(transition: Any?)` Sets the Transition that will be used to move Views out of the scene when the Fragment is preparing to be removed, hidden, or detached because of popping the back stack.
`Unit`	`setSharedElementEnterTransition(transition: Any?)` Sets the Transition that will be used for shared elements transferred into the content Scene.
`Unit`	`setSharedElementReturnTransition(transition: Any?)` Sets the Transition that will be used for shared elements transferred back during a pop of the back stack.
`Unit`	`setTargetFragment(fragment: Fragment?, requestCode: Int)` This function is deprecated. Instead of using a target fragment to pass results, the fragment requesting a result should use `setFragmentResultListener` to register a `FragmentResultListener` with a `requestKey` using its `parent fragment manager`.
`Unit`	`setUserVisibleHint(isVisibleToUser: Boolean)` This function is deprecated. If you are manually calling this method, use `setMaxLifecycle` instead.
`Boolean`	`shouldShowRequestPermissionRationale(permission: String)` Gets whether you should show UI with rationale before requesting a permission.
`Unit`	`startActivity(intent: Intent)` Call startActivity from the fragment's containing Activity.
`Unit`	`startActivity(intent: Intent, options: Bundle?)` Call startActivity from the fragment's containing Activity.
`Unit`	`startActivityForResult(intent: Intent, requestCode: Int)` This function is deprecated. This method has been deprecated in favor of using the Activity Result API which brings increased type safety via an `ActivityResultContract` and the prebuilt contracts for common intents available in `androidx.activity.result.contract.ActivityResultContracts`, provides hooks for testing, and allow receiving results in separate, testable classes independent from your fragment.
`Unit`	`startActivityForResult(intent: Intent, requestCode: Int, options: Bundle?)` This function is deprecated. This method has been deprecated in favor of using the Activity Result API which brings increased type safety via an `ActivityResultContract` and the prebuilt contracts for common intents available in `androidx.activity.result.contract.ActivityResultContracts`, provides hooks for testing, and allow receiving results in separate, testable classes independent from your fragment.
`Unit`	`startIntentSenderForResult( intent: IntentSender, requestCode: Int, fillInIntent: Intent?, flagsMask: Int, flagsValues: Int, extraFlags: Int, options: Bundle? )` This function is deprecated. This method has been deprecated in favor of using the Activity Result API which brings increased type safety via an `ActivityResultContract` and the prebuilt contracts for common intents available in `androidx.activity.result.contract.ActivityResultContracts`, provides hooks for testing, and allow receiving results in separate, testable classes independent from your fragment.
`Unit`	`startPostponedEnterTransition()` Begin postponed transitions after `postponeEnterTransition` was called.
`String`	`toString()`
`Unit`	`unregisterForContextMenu(view: View)` Prevents a context menu to be shown for the given view.

From androidx.lifecycle.HasDefaultViewModelProviderFactory

`CreationExtras!`	`getDefaultViewModelCreationExtras()`
`abstract ViewModelProvider.Factory!`	`getDefaultViewModelProviderFactory()`

From androidx.lifecycle.LifecycleOwner

abstract Lifecycle!

getLifecycle()

From androidx.preference.PreferenceFragmentCompat

`Unit`	`addPreferencesFromResource(preferencesResId: @XmlRes Int)` Inflates the given XML resource and adds the preference hierarchy to the current preference hierarchy.
`T?`	`<T : Preference?> findPreference(key: CharSequence)` Finds a `Preference` with the given key.
`RecyclerView!`	`getListView()`
`PreferenceManager!`	`getPreferenceManager()` Returns the `PreferenceManager` used by this fragment.
`PreferenceScreen!`	`getPreferenceScreen()` Gets the root of the preference hierarchy that this fragment is showing.
`Unit`	`onCreate(savedInstanceState: Bundle?)` Called to do initial creation of a fragment.
`RecyclerView.Adapter`	`onCreateAdapter(preferenceScreen: PreferenceScreen)` Creates the root adapter.
`RecyclerView.LayoutManager`	`onCreateLayoutManager()` Called from `onCreateRecyclerView` to create the `RecyclerView.LayoutManager` for the created `RecyclerView`.
`abstract Unit`	`onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?)` Called during `onCreate` to supply the preferences for this fragment.
`View`	`onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? )` Called to have the fragment instantiate its user interface view.
`Unit`	`onDestroyView()` Called when the view previously created by `onCreateView` has been detached from the fragment.
`Unit`	`onDisplayPreferenceDialog(preference: Preference)` Called when a preference in the tree requests to display a dialog.
`Unit`	`onNavigateToScreen(preferenceScreen: PreferenceScreen)` Called by `onClick` in order to navigate to a new screen of preferences.
`Boolean`	`onPreferenceTreeClick(preference: Preference)` Called when a preference in the tree rooted at this has been clicked.
`Unit`	`onSaveInstanceState(outState: Bundle)` Called to ask the fragment to save its current dynamic state, so it can later be reconstructed in a new instance if its process is restarted.
`Unit`	`onStart()` Called when the Fragment is visible to the user.
`Unit`	`onStop()` Called when the Fragment is no longer started.
`Unit`	`onViewCreated(view: View, savedInstanceState: Bundle?)` Called immediately after `onCreateView` has returned, but before any saved state has been restored in to the view.
`Unit`	`scrollToPreference(key: String)`
`Unit`	`scrollToPreference(preference: Preference)`
`Unit`	`setDivider(divider: Drawable?)` Sets the `Drawable` that will be drawn between each item in the list.
`Unit`	`setDividerHeight(height: Int)` Sets the height of the divider that will be drawn between each item in the list.
`Unit`	`setPreferenceScreen(preferenceScreen: PreferenceScreen!)` Sets the root of the preference hierarchy that this fragment is showing.
`Unit`	`setPreferencesFromResource(preferencesResId: @XmlRes Int, key: String?)` Inflates the given XML resource and replaces the current preference hierarchy (if any) with the preference hierarchy rooted at `key`.

From androidx.savedstate.SavedStateRegistryOwner

abstract SavedStateRegistry!

getSavedStateRegistry()

From android.view.View.OnCreateContextMenuListener

abstract Unit

onCreateContextMenu(
    p: ContextMenu!,
    p1: View!,
    p2: ContextMenu.ContextMenuInfo!
)

From androidx.lifecycle.ViewModelStoreOwner

abstract ViewModelStore!

getViewModelStore()

Public constructors

BaseLeanbackPreferenceFragmentCompat

Added in 1.1.0

BaseLeanbackPreferenceFragmentCompat()

Public functions

getContext

fun getContext(): Context?

Return the Context this fragment is currently associated with.

See also
`requireContext`

onCreateRecyclerView

fun onCreateRecyclerView(
    inflater: LayoutInflater!,
    parent: ViewGroup!,
    savedInstanceState: Bundle!
): RecyclerView!

Creates the RecyclerView used to display the preferences. Subclasses may override this to return a customized RecyclerView.

Parameters
`inflater: LayoutInflater!`	The LayoutInflater object that can be used to inflate the `RecyclerView`.
`parent: ViewGroup!`	The parent `ViewGroup` that the RecyclerView will be attached to. This method should not add the view itself, but this can be used to generate the layout params of the view.
`savedInstanceState: Bundle!`	If non-null, this view is being re-constructed from a previous saved state as given here.

Returns
`RecyclerView!`	A new `RecyclerView` object to be placed into the view hierarchy