PreferenceFragmentCompat

Kotlin |Java

public abstract class PreferenceFragmentCompat
extends Fragment implements PreferenceManager.OnPreferenceTreeClickListener, PreferenceManager.OnDisplayPreferenceDialogListener, PreferenceManager.OnNavigateToScreenListener, DialogPreference.TargetFragment

java.lang.Object
↳	androidx.fragment.app.Fragment
	↳	androidx.preference.PreferenceFragmentCompat

Known direct subclasses

BaseLeanbackPreferenceFragmentCompat

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

Known indirect subclasses

LeanbackPreferenceFragmentCompat

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

A PreferenceFragmentCompat is the entry point to using the Preference library. This Fragment displays a hierarchy of Preference objects to the user. It also handles persisting values to the device. To retrieve an instance of SharedPreferences that the preference hierarchy in this fragment will use by default, call PreferenceManager.getDefaultSharedPreferences(android.content.Context) with a context in the same package as this fragment.

You can define a preference hierarchy as an XML resource, or you can build a hierarchy in code. In both cases you need to use a PreferenceScreen as the root component in your hierarchy.

To inflate from XML, use the setPreferencesFromResource(int, String). An example example XML resource is shown further down.

To build a hierarchy from code, use PreferenceManager.createPreferenceScreen(Context) to create the root PreferenceScreen. Once you have added other Preferences to this root scree with PreferenceGroup.addPreference(Preference), you then need to set the screen as the root screen in your hierarchy with setPreferenceScreen(PreferenceScreen).

As a convenience, this fragment implements a click listener for any preference in the current hierarchy, see onPreferenceTreeClick(Preference).

Developer Guides

For more information about building a settings screen using the AndroidX Preference library, see Settings.

Sample Code

The following sample code shows a simple settings screen using an XML resource. The XML resource is as follows:

<PreferenceScreen
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto">

    <PreferenceCategory
            android:title="@string/basic_preferences">

        <Preference
                android:key="preference"
                android:title="@string/title_basic_preference"
                android:summary="@string/summary_basic_preference"/>

        <Preference
                android:key="stylized"
                android:title="@string/title_stylish_preference"
                android:summary="@string/summary_stylish_preference"/>

        <Preference
                android:key="icon"
                android:title="@string/title_icon_preference"
                android:summary="@string/summary_icon_preference"
                android:icon="@android:drawable/ic_menu_camera"/>

        <Preference
                android:key="single_line_title"
                android:title="@string/title_single_line_title_preference"
                android:summary="@string/summary_single_line_title_preference"
                app:singleLineTitle="true"/>
    </PreferenceCategory>

    <PreferenceCategory
            android:title="@string/widgets">

        <CheckBoxPreference
                android:key="checkbox"
                android:title="@string/title_checkbox_preference"
                android:summary="@string/summary_checkbox_preference"/>

        <SwitchPreferenceCompat
                android:key="switch"
                android:title="@string/title_switch_preference"
                android:summary="@string/summary_switch_preference"/>

        <DropDownPreference
                android:key="dropdown"
                android:title="@string/title_dropdown_preference"
                android:entries="@array/entries"
                app:useSimpleSummaryProvider="true"
                android:entryValues="@array/entry_values"/>

        <SeekBarPreference
                android:key="seekbar"
                android:title="@string/title_seekbar_preference"
                android:max="10"
                android:defaultValue="5"/>
    </PreferenceCategory>

    <PreferenceCategory
            android:title="@string/dialogs">

        <EditTextPreference
                android:key="edittext"
                android:title="@string/title_edittext_preference"
                app:useSimpleSummaryProvider="true"
                android:dialogTitle="@string/dialog_title_edittext_preference"/>

        <ListPreference
                android:key="list"
                android:title="@string/title_list_preference"
                app:useSimpleSummaryProvider="true"
                android:entries="@array/entries"
                android:entryValues="@array/entry_values"
                android:dialogTitle="@string/dialog_title_list_preference"/>

        <MultiSelectListPreference
                android:key="multi_select_list"
                android:title="@string/title_multi_list_preference"
                android:summary="@string/summary_multi_list_preference"
                android:entries="@array/entries"
                android:entryValues="@array/entry_values"
                android:dialogTitle="@string/dialog_title_multi_list_preference"/>
    </PreferenceCategory>

    <PreferenceCategory
            android:key="advanced"
            android:title="@string/advanced_attributes"
            app:initialExpandedChildrenCount="1">

        <Preference
                android:key="expandable"
                android:title="@string/title_expandable_preference"
                android:summary="@string/summary_expandable_preference"/>

        <Preference
                android:title="@string/title_intent_preference"
                android:summary="@string/summary_intent_preference">

            <intent android:action="android.intent.action.VIEW"
                    android:data="http://www.android.com"/>

        </Preference>

        <SwitchPreferenceCompat
                android:key="parent"
                android:title="@string/title_parent_preference"
                android:summary="@string/summary_parent_preference"/>

        <SwitchPreferenceCompat
                android:key="child"
                android:dependency="parent"
                android:title="@string/title_child_preference"
                android:summary="@string/summary_child_preference"/>

        <SwitchPreferenceCompat
                android:key="toggle_summary"
                android:title="@string/title_toggle_summary_preference"
                android:summaryOn="@string/summary_on_toggle_summary_preference"
                android:summaryOff="@string/summary_off_toggle_summary_preference"/>

        <Preference
                android:key="copyable"
                android:title="@string/title_copyable_preference"
                android:summary="@string/summary_copyable_preference"
                android:selectable="false"
                app:enableCopying="true"/>
    </PreferenceCategory>

</PreferenceScreen>

The fragment that loads the XML resource is as follows:

public static class DemoFragment extends PreferenceFragmentCompat {

    @Override
    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
        // Load the preferences from an XML resource
        setPreferencesFromResource(R.xml.preferences, rootKey);
    }
}

See also:

Preference
PreferenceScreen

Summary

Nested classes
`interface`	`PreferenceFragmentCompat.OnPreferenceDisplayDialogCallback` Interface that the fragment's containing activity should implement to be able to process preference items that wish to display a dialog.
`interface`	`PreferenceFragmentCompat.OnPreferenceStartFragmentCallback` Interface that the fragment's containing activity should implement to be able to process preference items that wish to switch to a specified fragment.
`interface`	`PreferenceFragmentCompat.OnPreferenceStartScreenCallback` Interface that the fragment's containing activity should implement to be able to process preference items that wish to switch to a new screen of preferences.

Constants
`String`	`ARG_PREFERENCE_ROOT` Fragment argument used to specify the tag of the desired root `PreferenceScreen` object.

Public constructors
`PreferenceFragmentCompat()`

Public methods
`void`	`addPreferencesFromResource(int preferencesResId)` Inflates the given XML resource and adds the preference hierarchy to the current preference hierarchy.
`<T extends Preference> T`	`findPreference(CharSequence key)` Finds a `Preference` with the given key.
`final 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.
`void`	`onCreate(Bundle savedInstanceState)` Called to do initial creation of a fragment.
`RecyclerView.LayoutManager`	`onCreateLayoutManager()` Called from `onCreateRecyclerView(LayoutInflater, ViewGroup, Bundle)` to create the `RecyclerView.LayoutManager` for the created `RecyclerView`.
`abstract void`	`onCreatePreferences(Bundle savedInstanceState, String rootKey)` Called during `onCreate(Bundle)` to supply the preferences for this fragment.
`RecyclerView`	`onCreateRecyclerView(LayoutInflater inflater, ViewGroup parent, Bundle savedInstanceState)` Creates the `RecyclerView` used to display the preferences.
`View`	`onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)` Called to have the fragment instantiate its user interface view.
`void`	`onDestroyView()` Called when the view previously created by `onCreateView(LayoutInflater, ViewGroup, Bundle)` has been detached from the fragment.
`void`	`onDisplayPreferenceDialog(Preference preference)` Called when a preference in the tree requests to display a dialog.
`void`	`onNavigateToScreen(PreferenceScreen preferenceScreen)` Called by `PreferenceScreen.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 `PreferenceScreen` has been clicked.
`void`	`onSaveInstanceState(Bundle outState)` 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.
`void`	`onStart()` Called when the Fragment is visible to the user.
`void`	`onStop()` Called when the Fragment is no longer started.
`void`	`onViewCreated(View view, Bundle savedInstanceState)` Called immediately after `onCreateView(LayoutInflater, ViewGroup, Bundle)` has returned, but before any saved state has been restored in to the view.
`void`	`scrollToPreference(Preference preference)`
`void`	`scrollToPreference(String key)`
`void`	`setDivider(Drawable divider)` Sets the `Drawable` that will be drawn between each item in the list.
`void`	`setDividerHeight(int height)` Sets the height of the divider that will be drawn between each item in the list.
`void`	`setPreferenceScreen(PreferenceScreen preferenceScreen)` Sets the root of the preference hierarchy that this fragment is showing.
`void`	`setPreferencesFromResource(int preferencesResId, String key)` Inflates the given XML resource and replaces the current preference hierarchy (if any) with the preference hierarchy rooted at `key`.

Protected methods
`Adapter`	`onCreateAdapter(PreferenceScreen preferenceScreen)` Creates the root adapter.

Inherited methods

From class


        
          androidx.fragment.app.Fragment

`void`	`dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args)` Print the Fragments's state into the given stream.
`final boolean`	`equals(Object o)` Subclasses can not override equals().
`final 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.
`final Bundle`	`getArguments()` Return the arguments supplied when the fragment was instantiated, if any.
`final FragmentManager`	`getChildFragmentManager()` Return a private FragmentManager for placing and managing Fragments inside of this Fragment.
`Context`	`getContext()` Return the `Context` this fragment is currently associated with.
`ViewModelProvider.Factory`	`getDefaultViewModelProviderFactory()` Returns the default `ViewModelProvider.Factory` that should be used when no custom `Factory` is provided to the `ViewModelProvider` constructors. The `Fragment's arguments` when this is first called will be used as the defaults to any `SavedStateHandle` passed to a view model created using this factory.
`Object`	`getEnterTransition()` Returns the Transition that will be used to move Views into the initial scene.
`Object`	`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.
`final FragmentManager`	`getFragmentManager()` This method is deprecated. This has been removed in favor of `getParentFragmentManager()` which throws an `IllegalStateException` if the FragmentManager is null. Check if `isAdded()` returns `false` to determine if the FragmentManager is `null`.
`final Object`	`getHost()` Return the host object of this fragment.
`final int`	`getId()` Return the identifier this fragment is known by.
`final LayoutInflater`	`getLayoutInflater()` Returns the cached LayoutInflater used to inflate Views of this Fragment.
`Lifecycle`	`getLifecycle()` Returns the Lifecycle of the provider. Overriding this method is no longer supported and this method will be made `final` in a future version of Fragment.
`LoaderManager`	`getLoaderManager()` This method is deprecated. Use `LoaderManager.getInstance(this)`.
`final Fragment`	`getParentFragment()` Returns the parent Fragment containing this Fragment.
`final FragmentManager`	`getParentFragmentManager()` Return the FragmentManager for interacting with fragments associated with this fragment's activity.
`Object`	`getReenterTransition()` Returns the Transition that will be used to move Views in to the scene when returning due to popping a back stack.
`final Resources`	`getResources()` Return `requireActivity().getResources()`.
`final boolean`	`getRetainInstance()` This method is deprecated. Instead of retaining the Fragment itself, use a non-retained Fragment and keep retained state in a ViewModel attached to that Fragment. The ViewModel's constructor and its onCleared() callback provide the signal for initial creation and final destruction of the retained state.
`Object`	`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.
`final SavedStateRegistry`	`getSavedStateRegistry()` Returns owned `SavedStateRegistry`
`Object`	`getSharedElementEnterTransition()` Returns the Transition that will be used for shared elements transferred into the content Scene.
`Object`	`getSharedElementReturnTransition()` Return the Transition that will be used for shared elements transferred back during a pop of the back stack.
`final String`	`getString(int resId, Object... formatArgs)` Return a localized formatted string from the application's package's default string table, substituting the format arguments as defined in `Formatter` and `String.format(String, Object...)`.
`final String`	`getString(int resId)` Return a localized string from the application's package's default string table.
`final String`	`getTag()` Get the tag name of the fragment, if specified.
`final Fragment`	`getTargetFragment()` This method is deprecated. Instead of using a target fragment to pass results, use `FragmentManager.setFragmentResult(String, Bundle)` to deliver results to `FragmentResultListener` instances registered by other fragments via `FragmentManager.setFragmentResultListener(String, LifecycleOwner, FragmentResultListener)`.
`final int`	`getTargetRequestCode()` This method is deprecated. When using the target fragment replacement of `FragmentManager.setFragmentResultListener(String, LifecycleOwner, FragmentResultListener)` and `FragmentManager.setFragmentResult(String, Bundle)`, consider using `setArguments(Bundle)` to pass a `requestKey` if you need to support dynamic request keys.
`final CharSequence`	`getText(int resId)` Return a localized, styled CharSequence from the application's package's default string table.
`boolean`	`getUserVisibleHint()` This method is deprecated. Use `FragmentTransaction.setMaxLifecycle(Fragment, Lifecycle.State)` instead.
`View`	`getView()` Get the root view for the fragment's layout (the one returned by `onCreateView(LayoutInflater, ViewGroup, Bundle)`), if provided.
`LifecycleOwner`	`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 Overriding this method is no longer supported and this method will be made `final` in a future version of Fragment.
`final int`	`hashCode()` Subclasses can not override hashCode().
`static Fragment`	`instantiate(Context context, String fname)` This method is deprecated. Use `FragmentManager.getFragmentFactory()` and `FragmentFactory.instantiate(ClassLoader, String)`
`static Fragment`	`instantiate(Context context, String fname, Bundle args)` This method is deprecated. Use `FragmentManager.getFragmentFactory()` and `FragmentFactory.instantiate(ClassLoader, String)`, manually calling `setArguments(Bundle)` on the returned Fragment.
`final boolean`	`isAdded()` Return true if the fragment is currently added to its activity.
`final boolean`	`isDetached()` Return true if the fragment has been explicitly detached from the UI.
`final boolean`	`isHidden()` Return true if the fragment has been hidden.
`final boolean`	`isInLayout()` Return true if the layout is included as part of an activity view hierarchy via the <fragment> tag.
`final boolean`	`isRemoving()` Return true if this fragment is currently being removed from its activity.
`final boolean`	`isResumed()` Return true if the fragment is in the resumed state.
`final boolean`	`isStateSaved()` Returns true if this fragment is added and its state has already been saved by its host.
`final boolean`	`isVisible()` Return true if the fragment is currently visible to the user.
`void`	`onActivityCreated(Bundle savedInstanceState)` This method is deprecated. use `onViewCreated(View, Bundle)` for code touching the Fragment's view and `onCreate(Bundle)` for other initialization. To get a callback specifically when a Fragment activity's `Activity.onCreate(Bundle)` is called, register a `LifecycleObserver` on the Activity's `Lifecycle` in `onAttach(Context)`, removing it when it receives the `Lifecycle.State.CREATED` callback.
`void`	`onActivityResult(int requestCode, int resultCode, Intent data)` This method is deprecated. use `registerForActivityResult(ActivityResultContract, ActivityResultCallback)` with the appropriate `ActivityResultContract` and handling the result in the `callback`.
`void`	`onAttach(Activity activity)` This method is deprecated. See `onAttach(Context)`.
`void`	`onAttach(Context context)` Called when a fragment is first attached to its context.
`void`	`onAttachFragment(Fragment childFragment)` Called when a fragment is attached as a child of this fragment.
`void`	`onConfigurationChanged(Configuration newConfig)`
`boolean`	`onContextItemSelected(MenuItem item)` This hook is called whenever an item in a context menu is selected.
`void`	`onCreate(Bundle savedInstanceState)` Called to do initial creation of a fragment.
`Animation`	`onCreateAnimation(int transit, boolean enter, int nextAnim)` Called when a fragment loads an animation.
`Animator`	`onCreateAnimator(int transit, boolean enter, int nextAnim)` Called when a fragment loads an animator.
`void`	`onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo)` Called when a context menu for the `view` is about to be shown.
`void`	`onCreateOptionsMenu(Menu menu, MenuInflater inflater)` Initialize the contents of the Fragment host's standard options menu.
`View`	`onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)` Called to have the fragment instantiate its user interface view.
`void`	`onDestroy()` Called when the fragment is no longer in use.
`void`	`onDestroyOptionsMenu()` Called when this fragment's option menu items are no longer being included in the overall options menu.
`void`	`onDestroyView()` Called when the view previously created by `onCreateView(LayoutInflater, ViewGroup, Bundle)` has been detached from the fragment.
`void`	`onDetach()` Called when the fragment is no longer attached to its activity.
`LayoutInflater`	`onGetLayoutInflater(Bundle savedInstanceState)` Returns the LayoutInflater used to inflate Views of this Fragment.
`void`	`onHiddenChanged(boolean hidden)` Called when the hidden state (as returned by `isHidden()` of the fragment has changed.
`void`	`onInflate(Activity activity, AttributeSet attrs, Bundle savedInstanceState)` This method is deprecated. See `onInflate(Context, AttributeSet, Bundle)`.
`void`	`onInflate(Context context, AttributeSet attrs, Bundle savedInstanceState)` Called when a fragment is being created as part of a view layout inflation, typically from setting the content view of an activity.
`void`	`onLowMemory()`
`void`	`onMultiWindowModeChanged(boolean isInMultiWindowMode)` Called when the Fragment's activity changes from fullscreen mode to multi-window mode and visa-versa.
`boolean`	`onOptionsItemSelected(MenuItem item)` This hook is called whenever an item in your options menu is selected.
`void`	`onOptionsMenuClosed(Menu menu)` This hook is called whenever the options menu is being closed (either by the user canceling the menu with the back/menu button, or when an item is selected).
`void`	`onPause()` Called when the Fragment is no longer resumed.
`void`	`onPictureInPictureModeChanged(boolean isInPictureInPictureMode)` Called by the system when the activity changes to and from picture-in-picture mode.
`void`	`onPrepareOptionsMenu(Menu menu)` Prepare the Fragment host's standard options menu to be displayed.
`void`	`onPrimaryNavigationFragmentChanged(boolean isPrimaryNavigationFragment)` Callback for when the primary navigation state of this Fragment has changed.
`void`	`onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults)` This method is deprecated. use `registerForActivityResult(ActivityResultContract, ActivityResultCallback)` passing in a `ActivityResultContracts.RequestMultiplePermissions` object for the `ActivityResultContract` and handling the result in the `callback`.
`void`	`onResume()` Called when the fragment is visible to the user and actively running.
`void`	`onSaveInstanceState(Bundle outState)` 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.
`void`	`onStart()` Called when the Fragment is visible to the user.
`void`	`onStop()` Called when the Fragment is no longer started.
`void`	`onViewCreated(View view, Bundle savedInstanceState)` Called immediately after `onCreateView(LayoutInflater, ViewGroup, Bundle)` has returned, but before any saved state has been restored in to the view.
`void`	`onViewStateRestored(Bundle savedInstanceState)` Called when all saved state has been restored into the view hierarchy of the fragment.
`void`	`postponeEnterTransition()` Postpone the entering Fragment transition until `startPostponedEnterTransition()` or `FragmentManager.executePendingTransactions()` has been called.
`final void`	`postponeEnterTransition(long duration, TimeUnit timeUnit)` Postpone the entering Fragment transition for a given amount of time and then call `startPostponedEnterTransition()`.
`final <I, O> ActivityResultLauncher<I>`	`registerForActivityResult(ActivityResultContract<I, O> contract, ActivityResultCallback<O> callback)` Register a request to `start an activity for result`, designated by the given `contract`. If the host of this fragment is an `ActivityResultRegistryOwner` the `ActivityResultRegistry` of the host will be used.
`final <I, O> ActivityResultLauncher<I>`	`registerForActivityResult(ActivityResultContract<I, O> contract, ActivityResultRegistry registry, ActivityResultCallback<O> callback)` Register a request to `start an activity for result`, designated by the given `contract`.
`void`	`registerForContextMenu(View view)` Registers a context menu to be shown for the given view (multiple views can show the context menu).
`final void`	`requestPermissions(String[] permissions, int requestCode)` This method is deprecated. use `registerForActivityResult(ActivityResultContract, ActivityResultCallback)` passing in a `ActivityResultContracts.RequestMultiplePermissions` object for the `ActivityResultContract` and handling the result in the `callback`.
`final FragmentActivity`	`requireActivity()` Return the `FragmentActivity` this fragment is currently associated with.
`final Bundle`	`requireArguments()` Return the arguments supplied when the fragment was instantiated.
`final Context`	`requireContext()` Return the `Context` this fragment is currently associated with.
`final FragmentManager`	`requireFragmentManager()` This method 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.
`final Object`	`requireHost()` Return the host object of this fragment.
`final Fragment`	`requireParentFragment()` Returns the parent Fragment containing this Fragment.
`final View`	`requireView()` Get the root view for the fragment's layout (the one returned by `onCreateView(LayoutInflater, ViewGroup, Bundle)`).
`void`	`setAllowEnterTransitionOverlap(boolean allow)` Sets whether the the exit transition and enter transition overlap or not.
`void`	`setAllowReturnTransitionOverlap(boolean allow)` Sets whether the the return transition and reenter transition overlap or not.
`void`	`setArguments(Bundle args)` Supply the construction arguments for this fragment.
`void`	`setEnterSharedElementCallback(SharedElementCallback callback)` 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.
`void`	`setEnterTransition(Object transition)` Sets the Transition that will be used to move Views into the initial scene.
`void`	`setExitSharedElementCallback(SharedElementCallback callback)` 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.
`void`	`setExitTransition(Object transition)` 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.
`void`	`setHasOptionsMenu(boolean hasMenu)` Report that this fragment would like to participate in populating the options menu by receiving a call to `onCreateOptionsMenu(Menu, MenuInflater)` and related methods.
`void`	`setInitialSavedState(Fragment.SavedState state)` Set the initial saved state that this Fragment should restore itself from when first being constructed, as returned by `FragmentManager.saveFragmentInstanceState`.
`void`	`setMenuVisibility(boolean menuVisible)` Set a hint for whether this fragment's menu should be visible.
`void`	`setReenterTransition(Object transition)` Sets the Transition that will be used to move Views in to the scene when returning due to popping a back stack.
`void`	`setRetainInstance(boolean retain)` This method is deprecated. Instead of retaining the Fragment itself, use a non-retained Fragment and keep retained state in a ViewModel attached to that Fragment. The ViewModel's constructor and its onCleared() callback provide the signal for initial creation and final destruction of the retained state.
`void`	`setReturnTransition(Object transition)` 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.
`void`	`setSharedElementEnterTransition(Object transition)` Sets the Transition that will be used for shared elements transferred into the content Scene.
`void`	`setSharedElementReturnTransition(Object transition)` Sets the Transition that will be used for shared elements transferred back during a pop of the back stack.
`void`	`setTargetFragment(Fragment fragment, int requestCode)` This method is deprecated. Instead of using a target fragment to pass results, the fragment requesting a result should use `FragmentManager.setFragmentResultListener(String, LifecycleOwner, FragmentResultListener)` to register a `FragmentResultListener` with a `requestKey` using its `parent fragment manager`. The fragment delivering a result should then call `FragmentManager.setFragmentResult(String, Bundle)` using the same `requestKey`. Consider using `setArguments(Bundle)` to pass the `requestKey` if you need to support dynamic request keys.
`void`	`setUserVisibleHint(boolean isVisibleToUser)` This method is deprecated. If you are manually calling this method, use `FragmentTransaction.setMaxLifecycle(Fragment, Lifecycle.State)` instead. If overriding this method, behavior implemented when passing in `true` should be moved to `onResume()`, and behavior implemented when passing in `false` should be moved to `onPause()`.
`boolean`	`shouldShowRequestPermissionRationale(String permission)` Gets whether you should show UI with rationale for requesting a permission.
`void`	`startActivity(Intent intent)` Call `Activity.startActivity(Intent)` from the fragment's containing Activity.
`void`	`startActivity(Intent intent, Bundle options)` Call `Activity.startActivity(Intent, Bundle)` from the fragment's containing Activity.
`void`	`startActivityForResult(Intent intent, int requestCode)` This method is deprecated. use `registerForActivityResult(ActivityResultContract, ActivityResultCallback)` passing in a `ActivityResultContracts.StartActivityForResult` object for the `ActivityResultContract`.
`void`	`startActivityForResult(Intent intent, int requestCode, Bundle options)` This method is deprecated. use `registerForActivityResult(ActivityResultContract, ActivityResultCallback)` passing in a `ActivityResultContracts.StartActivityForResult` object for the `ActivityResultContract`.
`void`	`startIntentSenderForResult(IntentSender intent, int requestCode, Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags, Bundle options)` This method is deprecated. use `registerForActivityResult(ActivityResultContract, ActivityResultCallback)` passing in a `ActivityResultContracts.StartIntentSenderForResult` object for the `ActivityResultContract`.
`void`	`startPostponedEnterTransition()` Begin postponed transitions after `postponeEnterTransition()` was called.
`String`	`toString()`
`void`	`unregisterForContextMenu(View view)` Prevents a context menu to be shown for the given view.

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()`

From interface


        
          android.content.ComponentCallbacks

`abstract void`	`onConfigurationChanged(Configuration arg0)`
`abstract void`	`onLowMemory()`

From interface


        
          android.view.View.OnCreateContextMenuListener

abstract void onCreateContextMenu(ContextMenu arg0, View arg1, ContextMenu.ContextMenuInfo arg2)

From interface


        
          androidx.lifecycle.LifecycleOwner


        abstract
        
        
        
        
        Lifecycle


      getLifecycle()

Returns the Lifecycle of the provider.

From interface


        
          androidx.lifecycle.ViewModelStoreOwner


        abstract
        
        
        
        
        ViewModelStore


      getViewModelStore()

Returns owned ViewModelStore

From interface


        
          androidx.lifecycle.HasDefaultViewModelProviderFactory


        abstract
        
        
        
        
        ViewModelProvider.Factory


      getDefaultViewModelProviderFactory()

Returns the default ViewModelProvider.Factory that should be used when no custom Factory is provided to the ViewModelProvider constructors.

From interface


        
          androidx.savedstate.SavedStateRegistryOwner


        abstract
        
        
        
        
        SavedStateRegistry


      getSavedStateRegistry()

Returns owned SavedStateRegistry

From interface


        
          androidx.activity.result.ActivityResultCaller

`abstract <I, O> ActivityResultLauncher<I>`	`registerForActivityResult(ActivityResultContract<I, O> contract, ActivityResultCallback<O> callback)` Register a request to `start an activity for result`, designated by the given `contract`.
`abstract <I, O> ActivityResultLauncher<I>`	`registerForActivityResult(ActivityResultContract<I, O> contract, ActivityResultRegistry registry, ActivityResultCallback<O> callback)` Register a request to `start an activity for result`, designated by the given `contract`.

From interface


        
          androidx.preference.PreferenceManager.OnPreferenceTreeClickListener


        abstract
        
        
        
        
        boolean


      onPreferenceTreeClick(Preference preference)

Called when a preference in the tree rooted at this PreferenceScreen has been clicked.

From interface


        
          androidx.preference.PreferenceManager.OnDisplayPreferenceDialogListener


      onDisplayPreferenceDialog(Preference preference)

Called when a preference in the tree requests to display a dialog.

From interface


        
          androidx.preference.PreferenceManager.OnNavigateToScreenListener


      onNavigateToScreen(PreferenceScreen preferenceScreen)

Called when a PreferenceScreen in the tree requests to navigate to its contents.

From interface


        
          androidx.preference.DialogPreference.TargetFragment


        abstract
        
        
        
        <T extends Preference>
        T


      findPreference(CharSequence key)

Finds a Preference with the given key.

Constants

ARG_PREFERENCE_ROOT

public static final String ARG_PREFERENCE_ROOT

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

Constant Value: "androidx.preference.PreferenceFragmentCompat.PREFERENCE_ROOT"

Public constructors

PreferenceFragmentCompat

public PreferenceFragmentCompat ()

Public methods

addPreferencesFromResource

public void addPreferencesFromResource (int preferencesResId)

Inflates the given XML resource and adds the preference hierarchy to the current preference hierarchy.

Parameters
`preferencesResId`	`int`: The XML resource ID to inflate

findPreference

public T findPreference (CharSequence key)

Finds a Preference with the given key. Returns null if no Preference could be found with the given key.

Parameters
`key`	`CharSequence`: The key of the `Preference` to retrieve

Returns
`T`	The `Preference` with the key, or `null`

getListView

public final RecyclerView getListView ()

Returns
`RecyclerView`

getPreferenceManager

public PreferenceManager getPreferenceManager ()

Returns the PreferenceManager used by this fragment.

Returns
`PreferenceManager`	The `PreferenceManager` used by this fragment

getPreferenceScreen

public PreferenceScreen getPreferenceScreen ()

Gets the root of the preference hierarchy that this fragment is showing.

Returns
`PreferenceScreen`	The `PreferenceScreen` that is the root of the preference hierarchy

onCreate

public void onCreate (Bundle savedInstanceState)

Called to do initial creation of a fragment. This is called after onAttach(Activity) and before onCreateView(LayoutInflater, ViewGroup, Bundle).

Note that this can be called while the fragment's activity is still in the process of being created. As such, you can not rely on things like the activity's content view hierarchy being initialized at this point. If you want to do work once the activity itself is created, add a LifecycleObserver on the activity's Lifecycle, removing it when it receives the Lifecycle.State.CREATED callback.

Any restored child fragments will be created before the base Fragment.onCreate method returns.

Parameters
`savedInstanceState`	`Bundle`: If the fragment is being re-created from a previous saved state, this is the state.

onCreateLayoutManager

public RecyclerView.LayoutManager onCreateLayoutManager ()

Called from onCreateRecyclerView(LayoutInflater, ViewGroup, Bundle) to create the RecyclerView.LayoutManager for the created RecyclerView.

Returns
`RecyclerView.LayoutManager`	A new `RecyclerView.LayoutManager` instance

onCreatePreferences

public abstract void onCreatePreferences (Bundle savedInstanceState, 
                String rootKey)

Called during onCreate(Bundle) to supply the preferences for this fragment. Subclasses are expected to call setPreferenceScreen(PreferenceScreen) either directly or via helper methods such as addPreferencesFromResource(int).

Parameters
`savedInstanceState`	`Bundle`: If the fragment is being re-created from a previous saved state, this is the state.
`rootKey`	`String`: If non-null, this preference fragment should be rooted at the `PreferenceScreen` with this key.

onCreateRecyclerView

public RecyclerView onCreateRecyclerView (LayoutInflater inflater, 
                ViewGroup parent, 
                Bundle savedInstanceState)

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

onCreateView

public View onCreateView (LayoutInflater inflater, 
                ViewGroup container, 
                Bundle savedInstanceState)

Called to have the fragment instantiate its user interface view. This is optional, and non-graphical fragments can return null. This will be called between onCreate(Bundle) and onViewCreated(View, Bundle).

A default View can be returned by calling Fragment(int) in your constructor. Otherwise, this method returns null.

It is recommended to only inflate the layout in this method and move logic that operates on the returned View to onViewCreated(View, Bundle).

If you return a View from here, you will later be called in onDestroyView() when the view is being released.

Parameters
`inflater`	`LayoutInflater`: The LayoutInflater object that can be used to inflate any views in the fragment,
`container`	`ViewGroup`: If non-null, this is the parent view that the fragment's UI should be attached to. The fragment should not add the view itself, but this can be used to generate the LayoutParams of the view.
`savedInstanceState`	`Bundle`: If non-null, this fragment is being re-constructed from a previous saved state as given here.

Returns
`View`	Return the View for the fragment's UI, or null.

onDestroyView

public void onDestroyView ()

Called when the view previously created by onCreateView(LayoutInflater, ViewGroup, Bundle) has been detached from the fragment. The next time the fragment needs to be displayed, a new view will be created. This is called after onStop() and before onDestroy(). It is called regardless of whether onCreateView(LayoutInflater, ViewGroup, Bundle) returned a non-null view. Internally it is called after the view's state has been saved but before it has been removed from its parent.

onDisplayPreferenceDialog

public void onDisplayPreferenceDialog (Preference preference)

Called when a preference in the tree requests to display a dialog. Subclasses should override this method to display custom dialogs or to handle dialogs for custom preference classes.

Parameters
`preference`	`Preference`: The `Preference` object requesting the dialog

onNavigateToScreen

public void onNavigateToScreen (PreferenceScreen preferenceScreen)

Called by PreferenceScreen.onClick() in order to navigate to a new screen of preferences. Calls PreferenceFragmentCompat.OnPreferenceStartScreenCallback.onPreferenceStartScreen(PreferenceFragmentCompat, PreferenceScreen) if the target fragment or containing activity implements PreferenceFragmentCompat.OnPreferenceStartScreenCallback.

Parameters
`preferenceScreen`	`PreferenceScreen`: The `PreferenceScreen` to navigate to

onPreferenceTreeClick

public boolean onPreferenceTreeClick (Preference preference)

Called when a preference in the tree rooted at this PreferenceScreen has been clicked.

Parameters
`preference`	`Preference`: The preference that was clicked

Returns
`boolean`	Whether the click was handled

onSaveInstanceState

public void onSaveInstanceState (Bundle outState)

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. If a new instance of the fragment later needs to be created, the data you place in the Bundle here will be available in the Bundle given to onCreate(Bundle), onCreateView(LayoutInflater, ViewGroup, Bundle), and onViewCreated(View, Bundle).

This corresponds to Activity.onSaveInstanceState(Bundle) and most of the discussion there applies here as well. Note however: this method may be called at any time before onDestroy(). There are many situations where a fragment may be mostly torn down (such as when placed on the back stack with no UI showing), but its state will not be saved until its owning activity actually needs to save its state.

Parameters
`outState`	`Bundle`: Bundle in which to place your saved state.

onStart

public void onStart ()

Called when the Fragment is visible to the user. This is generally tied to Activity.onStart of the containing Activity's lifecycle.

onStop

public void onStop ()

Called when the Fragment is no longer started. This is generally tied to Activity.onStop of the containing Activity's lifecycle.

onViewCreated

public void onViewCreated (View view, 
                Bundle savedInstanceState)

Called immediately after onCreateView(LayoutInflater, ViewGroup, Bundle) has returned, but before any saved state has been restored in to the view. This gives subclasses a chance to initialize themselves once they know their view hierarchy has been completely created. The fragment's view hierarchy is not however attached to its parent at this point.

Parameters
`view`	`View`: The View returned by `onCreateView(LayoutInflater, ViewGroup, Bundle)`.
`savedInstanceState`	`Bundle`: If non-null, this fragment is being re-constructed from a previous saved state as given here.

scrollToPreference

public void scrollToPreference (Preference preference)

Parameters
`preference`	`Preference`

scrollToPreference

public void scrollToPreference (String key)

Parameters
`key`	`String`

setDivider

public void setDivider (Drawable divider)

Sets the Drawable that will be drawn between each item in the list.

Note: If the drawable does not have an intrinsic height, you should also call setDividerHeight(int).

Parameters
`divider`	`Drawable`: The drawable to use `R.attr.divider`

setDividerHeight

public void setDividerHeight (int height)

Sets the height of the divider that will be drawn between each item in the list. Calling this will override the intrinsic height as set by setDivider(Drawable).

Parameters
`height`	`int`: The new height of the divider in pixels `R.attr.dividerHeight`

setPreferenceScreen

public void setPreferenceScreen (PreferenceScreen preferenceScreen)

Sets the root of the preference hierarchy that this fragment is showing.

Parameters
`preferenceScreen`	`PreferenceScreen`: The root `PreferenceScreen` of the preference hierarchy

setPreferencesFromResource

public void setPreferencesFromResource (int preferencesResId, 
                String key)

Inflates the given XML resource and replaces the current preference hierarchy (if any) with the preference hierarchy rooted at key.

Parameters
`preferencesResId`	`int`: The XML resource ID to inflate
`key`	`String`: The preference key of the `PreferenceScreen` to use as the root of the preference hierarchy, or `null` to use the root `PreferenceScreen`.

Protected methods

onCreateAdapter

protected Adapter onCreateAdapter (PreferenceScreen preferenceScreen)

Creates the root adapter.

Parameters
`preferenceScreen`	`PreferenceScreen`: The `PreferenceScreen` object to create the adapter for

Returns
`Adapter`	An adapter that contains the preferences contained in this `PreferenceScreen`

PreferenceFragmentCompat

Developer Guides

Sample Code

Summary

Nested classes

Constants

Public constructors

Public methods

Protected methods

Inherited methods

Constants

ARG_PREFERENCE_ROOT

Public constructors

PreferenceFragmentCompat

Public methods

addPreferencesFromResource

findPreference

getListView

getPreferenceManager

getPreferenceScreen

onCreate

onCreateLayoutManager

onCreatePreferences

onCreateRecyclerView

onCreateView

onDestroyView

onDisplayPreferenceDialog

onNavigateToScreen

onPreferenceTreeClick

onSaveInstanceState

onStart

onStop

onViewCreated

scrollToPreference

scrollToPreference

setDivider

setDividerHeight

setPreferenceScreen

setPreferencesFromResource

Protected methods

onCreateAdapter