Fragment

Kotlin |Java

open class Fragment : ComponentCallbacks, OnCreateContextMenuListener, LifecycleOwner, ViewModelStoreOwner, HasDefaultViewModelProviderFactory, SavedStateRegistryOwner, ActivityResultCaller

kotlin.Any
↳	androidx.fragment.app.Fragment

Known Direct Subclasses AbstractProgressFragment, AmbientModeSupport, BrandedSupportFragment, DialogFragment, GuidedStepSupportFragment, LeanbackPreferenceDialogFragmentCompat, LeanbackSettingsFragmentCompat, ListFragment, MediaRouteDiscoveryFragment, NavHostFragment, OnboardingSupportFragment, PlaybackSupportFragment, and 2 others. AbstractProgressFragment The base class for Fragments that handle dynamic feature installation. AmbientModeSupport Use this as a headless Fragment to add ambient support to an Activity on Wearable devices. BrandedSupportFragment Fragment class for managing search and branding using a view that implements TitleViewAdapter.Provider. DialogFragment Static library support version of the framework's android.app.DialogFragment. GuidedStepSupportFragment A GuidedStepSupportFragment is used to guide the user through a decision or series of decisions. LeanbackPreferenceDialogFragmentCompat A fragment that shows DialogPreference, for example or androidx.preference.MultiSelectListPreference. LeanbackSettingsFragmentCompat This fragment provides a container for displaying a LeanbackPreferenceFragmentCompat ListFragment Static library support version of the framework's android.app.ListFragment. MediaRouteDiscoveryFragment Media route discovery fragment. NavHostFragment NavHostFragment provides an area within your layout for self-contained navigation to occur. OnboardingSupportFragment An OnboardingSupportFragment provides a common and simple way to build onboarding screen for applications. PlaybackSupportFragment A fragment for displaying playback controls and related content. PreferenceFragmentCompat A PreferenceFragmentCompat is the entry point to using the Preference library. SearchSupportFragment A fragment to handle searches.

Known Indirect Subclasses AppCompatDialogFragment, BaseLeanbackPreferenceFragmentCompat, BaseSupportFragment, BrowseSupportFragment, DefaultProgressFragment, DetailsSupportFragment, DynamicNavHostFragment, EditTextPreferenceDialogFragmentCompat, ErrorSupportFragment, LeanbackEditTextPreferenceDialogFragmentCompat, LeanbackListPreferenceDialogFragmentCompat, LeanbackPreferenceFragmentCompat, and 7 others. AppCompatDialogFragment A special version of DialogFragment which uses an AppCompatDialog in place of a platform-styled dialog. BaseLeanbackPreferenceFragmentCompat This fragment provides a preference fragment with leanback-style behavior, suitable for embedding into broader UI elements. BaseSupportFragment Base class for leanback Fragments. BrowseSupportFragment A fragment for creating Leanback browse screens. DefaultProgressFragment The default androidx.fragment.app.Fragment to display during installation progress. DetailsSupportFragment A fragment for creating Leanback details screens. DynamicNavHostFragment The NavHostFragment for dynamic features. EditTextPreferenceDialogFragmentCompat ErrorSupportFragment A fragment for displaying an error indication. LeanbackEditTextPreferenceDialogFragmentCompat Implemented a dialog to input text. LeanbackListPreferenceDialogFragmentCompat Implemented a dialog to show ListPreference or MultiSelectListPreference. LeanbackPreferenceFragmentCompat This fragment provides a fully decorated leanback-style preference fragment, including a list background and header. ListPreferenceDialogFragmentCompat MediaRouteChooserDialogFragment Media route chooser dialog fragment. MediaRouteControllerDialogFragment Media route controller dialog fragment. MultiSelectListPreferenceDialogFragmentCompat PreferenceDialogFragmentCompat Abstract base class which presents a dialog associated with a DialogPreference. VerticalGridSupportFragment A fragment for creating leanback vertical grids. VideoSupportFragment Subclass of PlaybackSupportFragment that is responsible for providing a SurfaceView and rendering video.

Static library support version of the framework's android.app.Fragment. Used to write apps that run on platforms prior to Android 3.0. When running on Android 3.0 or above, this implementation is still used; it does not try to switch to the framework's implementation. See the framework android.app.Fragment documentation for a class overview.

The main differences when using this support version instead of the framework version are:

• Your activity must extend FragmentActivity
• You must call FragmentActivity#getSupportFragmentManager to get the FragmentManager

Summary

Nested classes
open	InstantiationException Thrown by FragmentFactory#instantiate(ClassLoader, String) when there is an instantiation failure.
open	SavedState State information that has been retrieved from a fragment instance through FragmentManager.saveFragmentInstanceState.

Public constructors
<init>() Constructor used by the default FragmentFactory.
<init>(@LayoutRes contentLayoutId: Int) Alternate constructor that can be called from your default, no argument constructor to provide a default layout that will be inflated by onCreateView(LayoutInflater, ViewGroup, Bundle).

Public methods
open Unit	dump(@NonNull prefix: String, @Nullable fd: FileDescriptor?, @NonNull writer: PrintWriter, @Nullable args: Array<String!>?) Print the Fragments's state into the given stream.
Boolean	equals(@Nullable other: Any?) Subclasses can not override equals().
FragmentActivity?	getActivity() Return the FragmentActivity this fragment is currently associated with.
open Boolean	getAllowEnterTransitionOverlap() Returns whether the the exit transition and enter transition overlap or not.
open 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.
open Context?	getContext() Return the Context this fragment is currently associated with.
open ViewModelProvider.Factory	getDefaultViewModelProviderFactory() Returns the default ViewModelProvider.Factory that should be used when no custom Factory is provided to the ViewModelProvider constructors.
open Any?	getEnterTransition() Returns the Transition that will be used to move Views into the initial scene.
open 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() Return the FragmentManager for interacting with fragments associated with this fragment's activity.
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.
open Lifecycle	getLifecycle() Returns the Lifecycle of the provider.
open LoaderManager	getLoaderManager() Return the LoaderManager for this fragment.
Fragment?	getParentFragment() Returns the parent Fragment containing this Fragment.
FragmentManager	getParentFragmentManager() Return the FragmentManager for interacting with fragments associated with this fragment's activity.
open 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() Returns true if this fragment instance's state will be retained across configuration changes, and false if it will not.
open 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()
open Any?