Class Index

Kotlin |Java

These are the API classes. See all API packages.

A

AbsSavedState	A `Parcelable` implementation that should be used by inheritance hierarchies to ensure the state of all classes along the chain is saved.
AbstractDetailsDescriptionPresenter	An abstract `Presenter` for rendering a detailed description of an item.
AbstractDetailsDescriptionPresenter.ViewHolder	The ViewHolder for the `AbstractDetailsDescriptionPresenter`.
AbstractMediaItemPresenter	Abstract `Presenter` class for rendering media items in a playlist format.
AbstractMediaItemPresenter.ViewHolder	The ViewHolder for the `AbstractMediaItemPresenter`.
AbstractMediaListHeaderPresenter	Abstract presenter class for rendering the header for a list of media items in a playlist.
AbstractMediaListHeaderPresenter.ViewHolder	The ViewHolder for the `AbstractMediaListHeaderPresenter`.
AbstractSavedStateViewModelFactory	Skeleton of androidx.lifecycle.ViewModelProvider.KeyedFactory that creates `SavedStateHandle` for every requested `ViewModel`.
AccelerateDecelerateInterpolator	An interpolator where the rate of change starts and ends slowly but accelerates through the middle.
AccelerateInterpolator	An interpolator where the rate of change starts out slowly and and then accelerates.
AccessControlProfile	A class used to specify access controls.
AccessControlProfile.Builder	A builder for `AccessControlProfile`.
AccessControlProfileId	A class used to wrap an access control profile identifiers.
AccessibilityClickableSpanCompat	`ClickableSpan` cannot be parceled, but accessibility services need to be able to cause their callback handlers to be called.
AccessibilityDelegateCompat	Helper for accessing `View.AccessibilityDelegate`.
AccessibilityEventCompat	Helper for accessing features in `AccessibilityEvent`.
AccessibilityManagerCompat	Helper for accessing features in `AccessibilityManager`.
AccessibilityManagerCompat.AccessibilityStateChangeListener	This interface is deprecated. Use `AccessibilityManager.AccessibilityStateChangeListener` directly instead of this listener.
AccessibilityManagerCompat.AccessibilityStateChangeListenerCompat	This class is deprecated. Use `AccessibilityManager.AccessibilityStateChangeListener` directly instead of this listener.
AccessibilityManagerCompat.TouchExplorationStateChangeListener	Listener for the system touch exploration state.
AccessibilityNodeInfoCompat	Helper for accessing `AccessibilityNodeInfo` in a backwards compatible fashion.
AccessibilityNodeInfoCompat.AccessibilityActionCompat	A class defining an action that can be performed on an `AccessibilityNodeInfo`.
AccessibilityNodeInfoCompat.CollectionInfoCompat	Class with information if a node is a collection.
AccessibilityNodeInfoCompat.CollectionItemInfoCompat	Class with information if a node is a collection item.
AccessibilityNodeInfoCompat.RangeInfoCompat	Class with information if a node is a range.
AccessibilityNodeInfoCompat.TouchDelegateInfoCompat	Class with information of touch delegated views and regions.
AccessibilityNodeProviderCompat	Helper for accessing `AccessibilityNodeProvider`.
AccessibilityRecordCompat	Helper for accessing `AccessibilityRecord`.
AccessibilityServiceInfoCompat	Helper for accessing features in `AccessibilityServiceInfo`.
AccessibilityViewCommand	Functional interface used to create a custom accessibility action.
AccessibilityViewCommand.CommandArguments	Object containing arguments passed into an `AccessibilityViewCommand`
AccessibilityViewCommand.MoveAtGranularityArguments	Arguments for `#ACTION_NEXT_AT_MOVEMENT_GRANULARITY` and `#ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY`
AccessibilityViewCommand.MoveHtmlArguments	Arguments for `AccessibilityNodeInfoCompat.ACTION_NEXT_HTML_ELEMENT` and `#ACTION_PREVIOUS_HTML_ELEMENT`
AccessibilityViewCommand.MoveWindowArguments	Arguments for `#ACTION_MOVE_WINDOW`
AccessibilityViewCommand.ScrollToPositionArguments	Arguments for `#ACTION_SCROLL_TO_POSITION`
AccessibilityViewCommand.SetProgressArguments	Arguments for `#ACTION_SET_PROGRESS`
AccessibilityViewCommand.SetSelectionArguments	Arguments for `#ACTION_SET_SELECTION`
AccessibilityViewCommand.SetTextArguments	Arguments for `AccessibilityNodeInfoCompat.AccessibilityActionCompat.ACTION_SET_TEXT`
AccessibilityWindowInfoCompat	Helper for accessing `AccessibilityWindowInfo`.
Action	An action contains one or two lines of text, an optional image and an optional id.
ActionBar	A primary toolbar within the activity that may display the activity title, application-level navigation affordances, and other interactive items.
ActionBar.LayoutParams	Per-child layout information associated with action bar custom views.
ActionBar.OnMenuVisibilityListener	Listener for receiving events when action bar menus are shown or hidden.
ActionBar.OnNavigationListener	This interface is deprecated. Action bar navigation modes are deprecated and not supported by inline toolbar action bars. Consider using other common navigation patterns instead.
ActionBar.Tab	This class is deprecated. Action bar navigation modes are deprecated and not supported by inline toolbar action bars. Consider using other common navigation patterns instead.
ActionBar.TabListener	This interface is deprecated. Action bar navigation modes are deprecated and not supported by inline toolbar action bars. Consider using other common navigation patterns instead.
ActionBarDrawerToggle	This class provides a handy way to tie together the functionality of `DrawerLayout` and the framework `ActionBar` to implement the recommended design for navigation drawers.
ActionBarDrawerToggle.Delegate
ActionBarDrawerToggle.DelegateProvider	Allows an implementing Activity to return an `ActionBarDrawerToggle.Delegate` to use with ActionBarDrawerToggle.
ActionMenuView	ActionMenuView is a presentation of a series of menu options as a View.
ActionMenuView.LayoutParams
ActionMenuView.OnMenuItemClickListener	Interface responsible for receiving menu item click events if the items themselves do not have individual item click listeners.
ActionMode	Represents a contextual mode of the user interface.
ActionMode.Callback	Callback interface for action modes.
ActionOnlyNavDirections	An implementation of `NavDirections` without any arguments.
ActionProvider	This class is a mediator for accomplishing a given task, for example sharing a file.
ActionProvider.VisibilityListener	Listens to changes in visibility as reported by `ActionProvider.refreshVisibility()`.
ActivityCompat	Helper for accessing features in `Activity`.
ActivityCompat.OnRequestPermissionsResultCallback	This interface is the contract for receiving the results for permission requests.
ActivityCompat.PermissionCompatDelegate	Customizable delegate that allows delegating permission compatibility methods to a custom implementation.
ActivityInfoCompat	This class is deprecated. Use `ActivityInfo` directly.
ActivityManagerCompat	Helper for accessing features in `ActivityManager` in a backwards compatible fashion.
ActivityNavigator	ActivityNavigator implements cross-activity navigation.
ActivityNavigator.Destination	NavDestination for activity navigation
ActivityNavigator.Extras	Extras that can be passed to ActivityNavigator to customize what `ActivityOptionsCompat` and flags are passed through to the call to `ContextCompat.startActivity(Context, Intent, Bundle)`.
ActivityNavigator.Extras.Builder	Builder for constructing new `ActivityNavigator.Extras` instances.
ActivityOptionsCompat	Helper for accessing features in `ActivityOptions` in a backwards compatible fashion.
ActivityResult	A container for an activity result as obtained form `Activity.onActivityResult(int, int, Intent)`
ActivityResultCallback<O>	A type-safe callback to be called when an `activity result` is available.
ActivityResultCaller	A class that can call `Activity.startActivityForResult(Intent, int)`-style APIs without having to manage request codes, and converting request/response to an `Intent`
ActivityResultContract<I, O>	A contract specifying that an activity can be called with an input of type I and produce an output of type O Makes calling an activity for result type-safe.
ActivityResultContract.SynchronousResult<T>	The wrapper for a result provided in `ActivityResultContract.getSynchronousResult(Context, I)`
ActivityResultContracts	A collection of some standard activity call contracts, as provided by android.
ActivityResultContracts.CreateDocument	An `ActivityResultContract` to prompt the user to select a path for creating a new document, returning the `content:` `Uri` of the item that was created.
ActivityResultContracts.GetContent	An `ActivityResultContract` to prompt the user to pick a piece of content, receiving a `content://` `Uri` for that content that allows you to use `ContentResolver.openInputStream(Uri)` to access the raw data.
ActivityResultContracts.GetMultipleContents	An `ActivityResultContract` to prompt the user to pick one or more a pieces of content, receiving a `content://` `Uri` for each piece of content that allows you to use `ContentResolver.openInputStream(Uri)` to access the raw data.
ActivityResultContracts.OpenDocument	An `ActivityResultContract` to prompt the user to open a document, receiving its contents as a `file:/http:/content:` `Uri`.
ActivityResultContracts.OpenDocumentTree	An `ActivityResultContract` to prompt the user to select a directory, returning the user selection as a `Uri`.
ActivityResultContracts.OpenMultipleDocuments	An `ActivityResultContract` to prompt the user to open (possibly multiple) documents, receiving their contents as `file:/http:/content:` `Uri`s.
ActivityResultContracts.PickContact	An `ActivityResultContract` to request the user to pick a contact from the contacts app.
ActivityResultContracts.RequestMultiplePermissions	An `ActivityResultContract` to `request permissions`
ActivityResultContracts.RequestPermission	An `ActivityResultContract` to `request a permission`
ActivityResultContracts.StartActivityForResult	An `ActivityResultContract` that doesn't do any type conversion, taking raw `Intent` as an input and `ActivityResult` as an output.
ActivityResultContracts.StartIntentSenderForResult	An `ActivityResultContract` that calls `Activity.startIntentSender(IntentSender, Intent, int, int, int)`.
ActivityResultContracts.TakePicture	An `ActivityResultContract` to `take a picture` saving it into the provided content-`Uri`.
ActivityResultContracts.TakePicturePreview	An `ActivityResultContract` to `take small a picture` preview, returning it as a `Bitmap`.
ActivityResultContracts.TakeVideo	An `ActivityResultContract` to `take a video` saving it into the provided content-`Uri`.
ActivityResultLauncher<I>	A launcher for a previously-`prepared call` to start the process of executing an `ActivityResultContract`.
ActivityResultRegistry	A registry that stores `activity result callbacks` for `registered calls`.
ActivityResultRegistryOwner	A class that has an `ActivityResultRegistry` that allows you to register a `ActivityResultCallback` for handling an `ActivityResultContract`.
AdapterListUpdateCallback	ListUpdateCallback that dispatches update events to the given adapter.
AdvertisingIdClient	Client for retrieving Advertising ID related info from an AndroidX ID Provider installed on the device.
AdvertisingIdInfo	Advertising ID Information.
AdvertisingIdNotAvailableException	Indicates an AndroidX Advertising ID is not available.
AdvertisingIdProvider	The class for the AndroidX Advertising ID Provider that should provide the resettable ID and LAT preference should implement this interface.
AdvertisingIdProviderInfo	A `AdvertisingIdProviderInfo` represents the information about an Advertising ID Provider installed on the device.
AdvertisingIdProviderManager	The AdvertisingIdProviderManager will be used by an Advertising ID Provider to register the provider implementation or retrieve all the Advertising ID Providers on the device.
AlarmManagerCompat	Compatibility library for `AlarmManager` with fallbacks for older platforms.
AlertDialog	A subclass of Dialog that can display one, two or three buttons.
AlertDialog.Builder
AlreadyPersonalizedException	Thrown if trying to create a credential which already exists.
AmbientMode	This class is deprecated. please use `AmbientModeSupport` instead.
AmbientMode.AmbientCallback	Callback to receive ambient mode state changes.
AmbientMode.AmbientCallbackProvider	Interface for any `Activity` that wishes to implement Ambient Mode.
AmbientMode.AmbientController	A class for interacting with the ambient mode on a wearable device.
AmbientModeSupport	Use this as a headless Fragment to add ambient support to an Activity on Wearable devices.
AmbientModeSupport.AmbientCallback	Callback to receive ambient mode state changes.
AmbientModeSupport.AmbientCallbackProvider	Interface for any `Activity` that wishes to implement Ambient Mode.
AmbientModeSupport.AmbientController	A class for interacting with the ambient mode on a wearable device.
AndroidViewModel	Application context aware `ViewModel`.
Animatable2Compat	Interface that drawables supporting animations and callbacks should extend in support lib.
Animatable2Compat.AnimationCallback	Abstract class for animation callback.
AnimatedStateListDrawableCompat	A `Drawable` providing animated transitions between states.
AnimatedVectorDrawableCompat	For API 24 and above, this class is delegating to the framework's `AnimatedVectorDrawable`.
Animator	This is the superclass for classes which provide basic support for animations which can be started, ended, and have `AnimatorListeners` added to them.
Animator.AnimatorListener	An animation listener receives notifications from an animation.
Animator.AnimatorPauseListener	A pause listener receives notifications from an animation when the animation is `paused` or `resumed`.
Animator.AnimatorUpdateListener	Implementors of this interface can add themselves as update listeners to an `ValueAnimator` instance to receive callbacks on every animation frame, after the current frame's values have been calculated for that `ValueAnimator`.
AnimatorInflater	This class is used to instantiate animator XML files into Animator objects.
AnimatorListenerAdapter	This adapter class provides empty implementations of the methods from `Animator.AnimatorListener`.
AnimatorRes	Denotes that an integer parameter, field or method return value is expected to be an animator resource reference (e.g.
AnimatorSet	This class plays a set of `Animator` objects in the specified order.
AnimatorSet.Builder	The `Builder` object is a utility class to facilitate adding animations to a `AnimatorSet` along with the relationships between the various animations.
AnimatorTestRule	JUnit `TestRule` that can be used to run `Animator`s without actually waiting for the duration of the animation.
AnimRes	Denotes that an integer parameter, field or method return value is expected to be an anim resource reference (e.g.
AnticipateInterpolator	An interpolator where the change starts backward then flings forward.
AnticipateOvershootInterpolator	An interpolator where the change starts backward then flings forward and overshoots the target value and finally goes back to the final value.
AnyRes	Denotes that an integer parameter, field or method return value is expected to be a resource reference of any type.
AnyThread	Denotes that the annotated method can be called from any thread (e.g.
AppBarConfiguration	Configuration options for `NavigationUI` methods that interact with implementations of the app bar pattern such as `Toolbar`, `CollapsingToolbarLayout`, and `ActionBar`.
AppBarConfiguration.Builder	The Builder class for constructing new `AppBarConfiguration` instances.
AppBarConfiguration.OnNavigateUpListener	Interface for providing custom 'up' behavior beyond what is provided by `NavController.navigateUp()`.
AppCompatActivity	Base class for activities that wish to use some of the newer platform features on older Android devices.
AppCompatAutoCompleteTextView	A `AutoCompleteTextView` which supports compatible features on older versions of the platform, including: Allows dynamic tint of its background via the background tint methods in `ViewCompat`.
AppCompatButton	A `Button` which supports compatible features on older versions of the platform, including: Allows dynamic tint of its background via the background tint methods in `ViewCompat`.
AppCompatCallback	Implemented this in order for AppCompat to be able to callback in certain situations.
AppCompatCheckBox	A `CheckBox` which supports compatible features on older versions of the platform, including: Allows dynamic tint of its background via the background tint methods in `CompoundButtonCompat`.
AppCompatCheckedTextView	A `CheckedTextView` which supports compatible features on older versions of the platform.
AppCompatDelegate	This class represents a delegate which you can use to extend AppCompat's support to any `Activity`.
AppCompatDialog	Base class for AppCompat themed `Dialog`s.
AppCompatDialogFragment	A special version of `DialogFragment` which uses an `AppCompatDialog` in place of a platform-styled dialog.
AppCompatEditText	A `EditText` which supports compatible features on older versions of the platform, including: Allows dynamic tint of its background via the background tint methods in `ViewCompat`.
AppCompatImageButton	A `ImageButton` which supports compatible features on older versions of the platform, including: Allows dynamic tint of its background via the background tint methods in `ViewCompat`.
AppCompatImageView	A `ImageView` which supports compatible features on older versions of the platform, including: Allows dynamic tint of its background via the background tint methods in `ViewCompat`.
AppCompatMultiAutoCompleteTextView	A `MultiAutoCompleteTextView` which supports compatible features on older version of the platform, including: Supports `R.attr.textAllCaps` style attribute which works back to `Gingerbread`.
AppCompatRadioButton	A `RadioButton` which supports compatible features on older versions of the platform, including: Allows dynamic tint of its background via the background tint methods in `CompoundButtonCompat`.
AppCompatRatingBar	A `RatingBar` which supports compatible features on older versions of the platform.
AppCompatResources	Class for accessing an application's resources through AppCompat, and thus any backward compatible functionality.
AppCompatSeekBar	A `SeekBar` which supports compatible features on older versions of the platform.
AppCompatSpinner	A `Spinner` which supports compatible features on older versions of the platform, including: Allows dynamic tint of its background via the background tint methods in `ViewCompat`.
AppCompatTextView	A `TextView` which supports compatible features on older versions of the platform, including: Allows dynamic tint of its background via the background tint methods in `ViewCompat`.
AppCompatToggleButton	A `ToggleButton` which supports compatible features on older versions of the platform, including: Allows dynamic tint of its background via the background tint methods in `ViewCompat`.
AppCompatViewInflater	This class is used by AppCompat to automatically "substitute" all usages of core Android widgets inflated from layout files by the AppCompat extensions of those widgets.
AppComponentFactory	Version of `AppComponentFactory` that works with androidx libraries.
AppInitializer	An `AppInitializer` can be used to initialize all discovered [ComponentInitializer]s.
AppLaunchChecker	This class provides APIs for determining how an app has been launched.
AppOpsManagerCompat	Helper for accessing features in `AppOpsManager`.
AppWidgetProviderWithCallbacks<T extends CallbackReceiver>	Version of `AppWidgetProvider` that implements a `CallbackReceiver`.
ArcMotion	A PathMotion that generates a curved path along an arc on an imaginary circle containing the two points.
ArgbEvaluator	This evaluator can be used to perform type interpolation between integer values that represent ARGB colors.
ArrayCreatingInputMerger	An `InputMerger` that attempts to merge the inputs, creating arrays when necessary.
ArrayMap<K, V>	ArrayMap is a generic key->value mapping data structure that is designed to be more memory efficient than a traditional `HashMap`, this implementation is a version of the platform's `android.util.ArrayMap` that can be used on older versions of the platform.
ArrayObjectAdapter	An `ObjectAdapter` implemented with an `ArrayList`.
ArrayRes	Denotes that an integer parameter, field or method return value is expected to be an array resource reference (e.g.
ArraySet<E>	ArraySet is a generic set data structure that is designed to be more memory efficient than a traditional `HashSet`.
AspectRatio	The aspect ratio of the use case.
Assisted	Marks a parameter in a `ViewModelInject`-annotated constructor or a `WorkerInject`-annotated constructor to be assisted injected at runtime via a factory.
AsyncDifferConfig<T>	Configuration object for `ListAdapter`, `AsyncListDiffer`, and similar background-thread list diffing adapter logic.
AsyncDifferConfig.Builder<T>	Builder class for `AsyncDifferConfig`.
AsyncLayoutInflater	Helper class for inflating layouts asynchronously.
AsyncLayoutInflater.OnInflateFinishedListener
AsyncListDiffer<T>	Helper for computing the difference between two lists via `DiffUtil` on a background thread.
AsyncListDiffer.ListListener<T>	Listener for when the current List is updated.
AsyncListUtil<T>	A utility class that supports asynchronous content loading.
AsyncListUtil.DataCallback<T>	The callback that provides data access for `AsyncListUtil`.
AsyncListUtil.ViewCallback	The callback that links `AsyncListUtil` with the list view.
AsyncTaskLoader<D>	Static library support version of the framework's `AsyncTaskLoader`.
AtomicFile	Static library support version of the framework's `AtomicFile`, a helper class for performing atomic operations on a file by writing to a new file and renaming it into the place of the original file after the write has successfully completed.
AttrRes	Denotes that an integer parameter, field or method return value is expected to be an attribute reference (e.g.
AudioAttributesCompat	A class to encapsulate a collection of attributes describing information about an audio stream.
AudioAttributesCompat.Builder	Builder class for `AudioAttributesCompat` objects.
AudioFocusRequestCompat	Compatibility version of an `AudioFocusRequest`.
AudioFocusRequestCompat.Builder	Builder class for `AudioFocusRequestCompat` objects.
AudioManagerCompat	Compatibility library for `AudioManager` with fallbacks for older platforms.
AuthPrompt	A wrapper class for `Class2BiometricAuthPrompt`, `Class3BiometricAuthPrompt` `Class2BiometricOrCredentialAuthPrompt`, `Class3BiometricOrCredentialAuthPrompt` and `CredentialAuthPrompt` that allows for cancellation and dismissal of the current authentication prompt.
AuthPromptCallback	A collection of methods that may be invoked by `Class2BiometricAuthPrompt`, `Class3BiometricAuthPrompt`, `Class2BiometricOrCredentialAuthPrompt`, `Class3BiometricOrCredentialAuthPrompt`, or `CredentialAuthPrompt` during authentication, returning the `FragmentActivity` the prompt is attached to.
AuthPromptHost	A wrapper class for `FragmentActivity` and `Fragment` with the FragmentActivity or Fragment that hosts the AuthPrompt
AutoImageCaptureExtender	Load the OEM extension implementation for auto effect type.
AutoPreviewExtender	Load the OEM extension Preview implementation for auto effect type.
AutoScrollHelper	AutoScrollHelper is a utility class for adding automatic edge-triggered scrolling to Views.
AutoTransition	Utility class for creating a default transition that automatically fades, moves, and resizes views during a scene change.

B

BackgroundManager	Supports background image continuity between multiple Activities.
BackoffPolicy	An enumeration of backoff policies when retrying work.
BandPredicate	Provides a means of controlling when and where band selection can be initiated.
BandPredicate.EmptyArea	A BandPredicate that allows initiation of band selection only in areas of RecyclerView that map to `RecyclerView.NO_POSITION`.
BandPredicate.NonDraggableArea	A BandPredicate that allows initiation of band selection in any area that is not draggable as determined by consulting `ItemDetailsLookup.ItemDetails.inDragRegion(MotionEvent)`.
BaseCardView	A card style layout that responds to certain state changes.
BaseCardView.LayoutParams	Per-child layout information associated with BaseCardView.
BaseFragment	This class is deprecated. use `BaseSupportFragment`
BaseGridView	An abstract base class for vertically and horizontally scrolling lists.
BaseGridView.OnKeyInterceptListener	Listener for intercepting key dispatch events.
BaseGridView.OnLayoutCompletedListener	Interface for receiving notification when BaseGridView has completed a full layout calculation.
BaseGridView.OnMotionInterceptListener	Listener for intercepting generic motion dispatch events.
BaseGridView.OnTouchInterceptListener	Listener for intercepting touch dispatch events.
BaseGridView.OnUnhandledKeyListener
BaseGridView.SmoothScrollByBehavior	Defines behavior of duration and interpolator for smoothScrollBy().
BaseLeanbackPreferenceFragment	This class is deprecated. Use `BaseLeanbackPreferenceFragmentCompat`
BaseLeanbackPreferenceFragmentCompat	This fragment provides a preference fragment with leanback-style behavior, suitable for embedding into broader UI elements.
BaseOnItemViewClickedListener<T>	Interface for receiving notification when an item view holder is clicked.
BaseOnItemViewSelectedListener<T>	Interface for receiving notification when a row or item becomes selected.
BaseSupportFragment	Base class for leanback Fragments.
BatchingListUpdateCallback	Wraps a `ListUpdateCallback` callback and batches operations that can be merged.
BeautyImageCaptureExtender	Load the OEM extension implementation for beauty effect type.
BeautyPreviewExtender	Load the OEM extension Preview implementation for beauty effect type.
BidiFormatter	Utility class for formatting text for display in a potentially opposite-directionality context without garbling.
BidiFormatter.Builder	A class for building a BidiFormatter with non-default options.
BidirectionalTypeConverter<T, V>	Abstract base class used convert type T to another type V and back again.
BinderThread	Denotes that the annotated method should only be called on the binder thread.
BiometricManager	A class that provides system information related to biometrics (e.g.
BiometricManager.Authenticators	Types of authenticators, defined at a level of granularity supported by `BiometricManager` and `BiometricPrompt`.
BiometricPrompt	A class that manages a system-provided biometric prompt.
BiometricPrompt.AuthenticationCallback	A collection of methods that may be invoked by `BiometricPrompt` during authentication.
BiometricPrompt.AuthenticationResult	A container for data passed to `BiometricPrompt.AuthenticationCallback.onAuthenticationSucceeded(AuthenticationResult)` when the user has successfully authenticated.
BiometricPrompt.CryptoObject	A wrapper class for the crypto objects supported by `BiometricPrompt`.
BiometricPrompt.PromptInfo	A set of configurable options for how the `BiometricPrompt` should appear and behave.
BiometricPrompt.PromptInfo.Builder	A builder used to set individual options for the `BiometricPrompt.PromptInfo` class.
BitmapCompat	Helper for accessing features in `Bitmap`.
BlendModeColorFilterCompat	Helper for accessing ColorFilter APIs on various API levels of the platform
BlendModeCompat	Compat version of `BlendMode`, usages of `BlendModeCompat` will map to `PorterDuff.Mode` wherever possible
BokehImageCaptureExtender	Loads the OEM extension implementation for bokeh effect type.
BokehPreviewExtender	Load the OEM extension Preview implementation for bokeh effect type.
BoolRes	Denotes that an integer parameter, field or method return value is expected to be a boolean resource reference.
BounceInterpolator	An interpolator where the change bounces at the end.
BoundaryInterfaceReflectionUtil	A set of utility methods used for calling across the support library boundary.
BoundsRule	This class contains the rules for updating the bounds of a `CompositeDrawable.ChildDrawable`.
BoundsRule.ValueRule	This class represents individual rules for updating the bounds.
BoxInsetLayout	BoxInsetLayout is a screen shape-aware ViewGroup that can box its children in the center square of a round screen by using the `layout_boxedEdges` attribute.
BoxInsetLayout.LayoutParams	Per-child layout information for layouts that support margins, gravity and boxedEdges.
BrandedFragment	This class is deprecated. use `BrandedSupportFragment`
BrandedSupportFragment	Fragment class for managing search and branding using a view that implements `TitleViewAdapter.Provider`.
BroadcastReceiverWithCallbacks<T extends CallbackReceiver>	Extend this broadcast receiver to be able to receive callbacks as well as normal broadcasts.
BrowseFragment	This class is deprecated. use `BrowseSupportFragment`
BrowseFragment.BrowseTransitionListener	This class is deprecated. use `BrowseSupportFragment`
BrowseFragment.FragmentFactory<T extends Fragment>	This class is deprecated. use `BrowseSupportFragment`
BrowseFragment.FragmentHost	This interface is deprecated. use `BrowseSupportFragment`
BrowseFragment.ListRowFragmentFactory	This class is deprecated. use `BrowseSupportFragment`
BrowseFragment.MainFragmentAdapter<T extends Fragment>	This class is deprecated. use `BrowseSupportFragment`
BrowseFragment.MainFragmentAdapterProvider	This interface is deprecated. use `BrowseSupportFragment`
BrowseFragment.MainFragmentAdapterRegistry	This class is deprecated. use `BrowseSupportFragment`
BrowseFragment.MainFragmentRowsAdapter<T extends Fragment>	This class is deprecated. use `BrowseSupportFragment`
BrowseFragment.MainFragmentRowsAdapterProvider	This interface is deprecated. use `BrowseSupportFragment`
BrowseFrameLayout	A ViewGroup for managing focus behavior between overlapping views.
BrowseFrameLayout.OnChildFocusListener	Interface for managing child focus in a BrowseFrameLayout.
BrowseFrameLayout.OnFocusSearchListener	Interface for selecting a focused view in a BrowseFrameLayout when the system focus finder couldn't find a view to focus.
BrowserActionItem	This class is deprecated. Browser Actions are deprecated as of release 1.2.0.
BrowserActionsIntent	This class is deprecated. Browser Actions are deprecated as of release 1.2.0.
BrowserActionsIntent.Builder	Builder class for opening a Browser Actions context menu.
BrowseSupportFragment	A fragment for creating Leanback browse screens.
BrowseSupportFragment.BrowseTransitionListener	Listener for transitions between browse headers and rows.
BrowseSupportFragment.FragmentFactory<T extends Fragment>	Factory class responsible for creating fragment given the current item.
BrowseSupportFragment.FragmentHost	Possible set of actions that `BrowseSupportFragment` exposes to clients.
BrowseSupportFragment.ListRowFragmentFactory	FragmentFactory implementation for `ListRow`.
BrowseSupportFragment.MainFragmentAdapter<T extends Fragment>	Interface that defines the interaction between `BrowseSupportFragment` and its main content fragment.
BrowseSupportFragment.MainFragmentAdapterProvider	Interface to be implemented by all fragments for providing an instance of `BrowseSupportFragment.MainFragmentAdapter`.
BrowseSupportFragment.MainFragmentAdapterRegistry	Registry class maintaining the mapping of `Row` subclasses to `BrowseSupportFragment.FragmentFactory`.
BrowseSupportFragment.MainFragmentRowsAdapter<T extends Fragment>	This is used to pass information to `RowsSupportFragment` or its subclasses.
BrowseSupportFragment.MainFragmentRowsAdapterProvider	Interface to be implemented by `RowsSupportFragment` and its subclasses for providing an instance of `BrowseSupportFragment.MainFragmentRowsAdapter`.
BuildCompat	This class contains additional platform version checking methods for targeting pre-release versions of Android.
BundleCompat	Helper for accessing features in `Bundle`.
BundledEmojiCompatConfig	`EmojiCompat.Config` implementation that loads the metadata using AssetManager and bundled resources.

C

CallbackHandlerRegistry	The holder for callbacks that are tagged with `RemoteCallable`.
CallbackHandlerRegistry.CallbackHandler<T extends CallbackReceiver>	The interface used to trigger a callback when the pending intent is fired.
CallbackMediaItem	Structure for media item descriptor for `DataSourceCallback`.
CallbackMediaItem.Builder	This Builder class simplifies the creation of a `CallbackMediaItem` object.
CallbackReceiver<T>	An objects that can receive remote callbacks.
CallbackToFutureAdapter	A utility useful for adapting interfaces that take callbacks into interfaces that return `ListenableFuture`.
CallbackToFutureAdapter.Completer<T>	Used to complete the future returned by `CallbackToFutureAdapter.getFuture(CallbackToFutureAdapter.Resolver)`
CallbackToFutureAdapter.Resolver<T>	This interface should be implemented by the object passed into `CallbackToFutureAdapter.getFuture(Resolver)`.
CallSuper	Denotes that any overriding methods should invoke this method as well.
Camera	The camera interface is used to control the flow of data to use cases, control the camera via the `CameraControl`, and publish the state of the camera via `CameraInfo`.
Camera2CameraControl	An class that provides ability to interoperate with the `android.hardware.camera2` APIs.
Camera2CameraFilter	Provides ability to filter cameras with camera IDs and characteristics and create the corresponding `CameraFilter`.
Camera2CameraFilter.Camera2Filter	An interface that filters cameras based on camera IDs and characteristics.
Camera2CameraInfo	An interface for retrieving Camera2-related camera information.
Camera2Config	Convenience class for generating a pre-populated Camera2 `CameraXConfig`.
Camera2Interop	Utilities related to interoperability with the `android.hardware.camera2` APIs.
Camera2Interop.Extender<T>	Extends a `ExtendableBuilder` to add Camera2 options.
CameraControl	The `CameraControl` provides various asynchronous operations like zoom, focus and metering which affects output of all `UseCase`s currently bound to that camera.
CameraControl.OperationCanceledException	An exception representing a failure that the operation is canceled which might be caused by a new value is set or camera is closed.
CameraController	The abstract base camera controller class.
CameraFilter	An interface for filtering cameras.
CameraInfo	An interface for retrieving camera information.
CameraInfoUnavailableException	An exception thrown when unable to retrieve information about a camera.
CameraSelector	A set of requirements and priorities used to select a camera or return a filtered set of cameras.
CameraSelector.Builder	Builder for a `CameraSelector`.
CameraUnavailableException	`CameraUnavailableException` is thrown when a camera device could not be queried or opened or if the connection to an opened camera device is no longer valid.
CameraView	A `View` that displays a preview of the camera with methods `takePicture(Executor, OnImageCapturedCallback)`, `takePicture(ImageCapture.OutputFileOptions, Executor, OnImageSavedCallback)`, `startRecording(File, Executor, OnVideoSavedCallback)` and `stopRecording()`.
CameraView.CaptureMode	The capture mode used by CameraView.
CameraXConfig	A configuration for adding implementation and user-specific behavior to CameraX.
CameraXConfig.Builder	A builder for generating `CameraXConfig` objects.
CameraXConfig.Provider	An interface which can be implemented to provide the configuration for CameraX.
CancellationSignal	Static library support version of the framework's `CancellationSignal`.
CancellationSignal.OnCancelListener	Listens for cancellation.
CaptureRequestOptions	A bundle of Camera2 capture request options.
CaptureRequestOptions.Builder	Builder for creating `CaptureRequestOptions` instance.
CardView	A FrameLayout with a rounded corner background and shadow.
ChangeBounds	This transition captures the layout bounds of target views before and after the scene change and animates those changes during the transition.
ChangeClipBounds	ChangeClipBounds captures the `View.getClipBounds()` before and after the scene change and animates those changes during the transition.
ChangeImageTransform	This Transition captures an ImageView's matrix before and after the scene change and animates it during the transition.
ChangeScroll	This transition captures the scroll properties of targets before and after the scene change and animates any changes.
ChangeTransform	This Transition captures scale and rotation for Views before and after the scene change and animates those changes during the transition.
Channel	A convenience class to access `TvContractCompat.Channels` entries in the system content provider.
Channel.Builder	The builder class that makes it easy to chain setters to create a `Channel` object.
ChannelLogoUtils	A utility class for conveniently storing and loading channel logos.
CheckBoxPreference	A `Preference` that provides checkbox widget functionality.
CheckResult	Denotes that the annotated method returns a result that it typically is an error to ignore.
ChecksSdkIntAtLeast	Denotes that the annotated method checks if the SDK_INT API level is at least the given value, and either returns it or executes the given lambda in that case (or if it's a field, has the value true).
CipherSuiteNotSupportedException	Thrown if trying to use a cipher suite which isn't supported.
CircularArray<E>	CircularArray is a generic circular array data structure that provides O(1) random read, O(1) prepend and O(1) append.
CircularIntArray	CircularIntArray is a circular integer array data structure that provides O(1) random read, O(1) prepend and O(1) append.
CircularProgressDrawable	Drawable that renders the animated indeterminate progress indicator in the Material design style without depending on API level 11.
CircularProgressLayout	`CircularProgressLayout` adds a circular countdown timer behind the view it contains, typically used to automatically confirm an operation after a short delay has elapsed.
CircularProgressLayout.OnTimerFinishedListener	Interface to implement for listening to `onTimerFinished(CircularProgressLayout)` event.
CircularPropagation	A propagation that varies with the distance to the epicenter of the Transition or center of the scene if no epicenter exists.
Class2BiometricAuthPrompt	This class is used to build and configure a `BiometricPrompt` for authentication that only permits Class 2 biometric modalities (fingerprint, iris, face, etc), and then start authentication.
Class2BiometricAuthPrompt.Builder	Builds a `BiometricPrompt` object for Class 2 biometric only authentication with specified options.
Class2BiometricOrCredentialAuthPrompt	This class is used to build and configure a `BiometricPrompt` for authentication that permits Class 2 biometric modalities (fingerprint, iris, face, etc), or device credential modalities (device PIN, pattern, or password), and then start authentication.
Class2BiometricOrCredentialAuthPrompt.Builder	Builds a `BiometricPrompt` object for class 2 biometric or device credential authentication with specified options.
Class3BiometricAuthPrompt	This class is used to build and configure a `BiometricPrompt` for authentication that only permits Class 3 biometric modalities (fingerprint, iris, face, etc), and then start authentication.
Class3BiometricAuthPrompt.Builder	Builds a `BiometricPrompt` object for class 3 biometric only authentication with specified options.
Class3BiometricOrCredentialAuthPrompt	This class is used to build and configure a `BiometricPrompt` for authentication that permits Class 3 biometric modalities (fingerprint, iris, face, etc), or device credential modalities (device PIN, pattern, or password), and then start authentication.
Class3BiometricOrCredentialAuthPrompt.Builder	Builder to configure a `BiometricPrompt` object for class 3 biometric or device credential authentication with specified options.
ClassPresenterSelector	A ClassPresenterSelector selects a `Presenter` based on the item's Java class.
CollapsibleActionView	This interface is deprecated. Use the platform-provided `CollapsibleActionView` interface.
ColorFilterCache	Cache of `ColorFilter`s for a given color at different alpha levels.
ColorFilterDimmer	Helper class for applying a dim level to a View.
ColorInt	Denotes that the annotated element represents a packed color int, `AARRGGBB`.
ColorLong	Denotes that the annotated element represents a packed color long.
ColorOverlayDimmer	Helper class for assigning a dim color to Paint.
ColorRes	Denotes that an integer parameter, field or method return value is expected to be a color resource reference (e.g.
ColorUtils	A set of color-related utility methods, building upon those available in `Color`.
ColumnInfo	Allows specific customization about the column associated with this field.
ColumnInfo.Collate
ColumnInfo.SQLiteTypeAffinity	The SQLite column type constants that can be used in `ColumnInfo.typeAffinity()`
ComplicationData	Container for complication data of all types.
ComplicationData.Builder	Builder class for `ComplicationData`.
ComplicationDrawable	A styleable drawable object that draws complications.
ComplicationHelperActivity	Activity to handle permission requests for complications.
ComplicationProviderInfo	Holder of details of a complication provider, for use by watch faces (for example, to show the current provider in settings).
ComplicationProviderService	Class for providers of complication data.
ComplicationProviderService.ComplicationUpdateCallback	Callback for `ComplicationProviderService.onComplicationUpdate(int, ComplicationType, ComplicationProviderService.ComplicationUpdateCallback)`.
ComplicationStyle	Defines attributes to customize appearance of rendered `ComplicationData`.
ComplicationText	Represents a piece of text to be shown in a complication.
ComplicationText.TimeDifferenceBuilder	Builder for a ComplicationText object that displays a text representation of the difference between the given time and the specified time period, within a surrounding string if required.
ComplicationText.TimeFormatBuilder	Builder for a ComplicationText object that displays a text representation of the given time, using the provided format and time zone, within a surrounding string if specified.
ComponentActivity	Base class for activities that enables composition of higher level components.
CompositeDrawable	Generic drawable class that can be composed of multiple children.
CompositeDrawable.ChildDrawable	Wrapper class holding a drawable object and `BoundsRule` to update drawable bounds when parent bound changes.
CompositePageTransformer	Allows for combining multiple `ViewPager2.PageTransformer` objects.
CompoundButtonCompat	Helper for accessing `CompoundButton`.
ConcatAdapter	An `RecyclerView.Adapter` implementation that presents the contents of multiple adapters in sequence.
ConcatAdapter.Config	The configuration object for a `ConcatAdapter`.
ConcatAdapter.Config.Builder	The builder for `ConcatAdapter.Config` class.
ConcatAdapter.Config.StableIdMode	Defines how `ConcatAdapter` handle stable ids (`RecyclerView.Adapter.hasStableIds()`).
Configuration	The Configuration object used to customize `WorkManager` upon initialization.
Configuration.Builder	A Builder for `Configuration`s.
Configuration.Provider	A class that can provide the `Configuration` for WorkManager and allow for on-demand initialization of WorkManager.
ConfigurationCompat	Helper class which allows access to properties of `Configuration` in a backward compatible fashion.
ConfigurationHelper	Helper class which allows access to properties of `Configuration` in a backward compatible fashion.
ConfirmationActivity	This Activity is used to display confirmation animations after the user completes an action on the wearable.
ConfirmationOverlay	Displays a full-screen confirmation animation with optional text and then hides it.
ConfirmationOverlay.OnAnimationFinishedListener	Interface for listeners to be notified when the `ConfirmationOverlay` animation has finished and its `View` has been removed.
ConfirmationOverlay.OverlayType	Types of animations to display in the overlay.
ConnectivityManagerCompat	Helper for accessing features in `ConnectivityManager`.
Constraints	A specification of the requirements that need to be met before a `WorkRequest` can run.
Constraints.Builder	A Builder for a `Constraints` object.
Consumer<T>	Compat version of `Consumer`
ContentInfoCompat	Holds all the relevant data for a request to `OnReceiveContentListener`.
ContentInfoCompat.Builder	Builder for `ContentInfoCompat`.
ContentLoadingProgressBar	ContentLoadingProgressBar implements a ProgressBar that waits a minimum time to be dismissed before showing.
ContentPager	`ContentPager` provides support for loading "paged" data on a background thread using the `ContentResolver` framework.
ContentPager.ContentCallback	Callback by which a client receives results of a query.
ContentPager.CursorDisposition
ContentPager.QueryRunner	Implementations of this interface provide the mechanism for execution of queries off the UI thread.
ContentPager.QueryRunner.Callback	Callback that receives a cursor once a query as been executed on the Runner.
ContentProviderCompat	Helper for accessing features in `ContentProvider` in a backwards compatible fashion.
ContentProviderWithCallbacks<T extends ContentProviderWithCallbacks>	Version of ContentProvider that can be used as a `CallbackReceiver`.
ContentRecommendation	The ContentRecommendation object encapsulates all application provided data for a single content recommendation item.
ContentRecommendation.Builder	Builder class for `ContentRecommendation` objects.
ContentRecommendation.ContentMaturity
ContentRecommendation.ContentPricing
ContentRecommendation.ContentStatus
ContentRecommendation.ContentType
ContentRecommendation.IntentData	Object used to encapsulate the data to be used to build the `PendingIntent` object associated with a given content recommendation, at the time this recommendation gets posted to the home Screen.
ContentRecommendation.IntentType
ContentResolverCompat	Helper for accessing features in `ContentResolver` in a backwards compatible fashion.
ContentView	Annotation that can be attached to a constructor with a single `LayoutRes` parameter to denote what layout the component intends to inflate and set as its content.
ContextAware	A `ContextAware` class is associated with a `Context` sometime after the class is instantiated.
ContextAwareHelper	Helper class for implementing `ContextAware`.
ContextCompat	Helper for accessing features in `Context`.
ContextThemeWrapper	A context wrapper that allows you to modify or replace the theme of the wrapped context.
ControlButtonPresenterSelector	Displays primary and secondary controls for a `PlaybackControlsRow`.
ConversationAction	Represents an action suggested by a `TextClassifier` on a given conversation.
ConversationAction.Builder	Builder class to construct `ConversationAction`.
ConversationActions	Represents a list of actions suggested by a `TextClassifier` on a given conversation.
ConversationActions.Message	Represents a message in the conversation.
ConversationActions.Message.Builder	Builder class to construct a `ConversationActions.Message`
ConversationActions.Request	A request object for generating conversation action suggestions.
ConversationActions.Request.Builder	Builder object to construct the `ConversationActions.Request` object.
CoordinatorLayout	CoordinatorLayout is a super-powered `FrameLayout`.
CoordinatorLayout.AttachedBehavior	Defines the default attached `CoordinatorLayout.Behavior` of a `View` class When writing a custom view, implement this interface to return the default behavior when used as a direct child of an `CoordinatorLayout`.
CoordinatorLayout.Behavior<V extends View>	Interaction behavior plugin for child views of `CoordinatorLayout`.
CoordinatorLayout.DefaultBehavior	This @interface is deprecated. Use `CoordinatorLayout.AttachedBehavior` instead
CoordinatorLayout.LayoutParams	Parameters describing the desired layout for a child of a `CoordinatorLayout`.
CoordinatorLayout.SavedState
CountingTaskExecutorRule	A JUnit Test Rule that swaps the background executor used by the Architecture Components with a different one which counts the tasks as they are start and finish.
CredentialAuthPrompt	This class is used to build and configure a `BiometricPrompt` for authentication that only permits device credential modalities (device PIN, pattern, or password), and then start authentication.
CredentialAuthPrompt.Builder	Builder to configure a `BiometricPrompt` object for device credential only authentication with specified options.
CursorAdapter	Static library support version of the framework's `CursorAdapter`.
CursorLoader	Static library support version of the framework's `CursorLoader`.
CursorMapper	Abstract class used to convert the current `Cursor` row to a single object.
CursorObjectAdapter	An `ObjectAdapter` implemented with a `Cursor`.
CursorWindowCompat	Helper for accessing features in `CursorWindow`
CurvingLayoutCallback	An implementation of the `WearableLinearLayoutManager.LayoutCallback` aligning the children of the associated `WearableRecyclerView` along a pre-defined vertical curve.
CustomTabColorSchemeParams	Contains visual parameters of a Custom Tab that may depend on the color scheme.
CustomTabColorSchemeParams.Builder	Builder class for `CustomTabColorSchemeParams` objects.
CustomTabsCallback	A callback class for custom tabs client to get messages regarding events in their custom tabs.
CustomTabsClient	Class to communicate with a `CustomTabsService` and create `CustomTabsSession` from it.
CustomTabsIntent	Class holding the `Intent` and start bundle for a Custom Tabs Activity.
CustomTabsIntent.Builder	Builder class for `CustomTabsIntent` objects.
CustomTabsService	Abstract service class for implementing Custom Tabs related functionality.
CustomTabsService.Relation
CustomTabsService.Result
CustomTabsServiceConnection	Abstract `ServiceConnection` to use while binding to a `CustomTabsService`.
CustomTabsSession	A class to be used for Custom Tabs related communication.
CustomTabsSessionToken	Wrapper class that can be used as a unique identifier for a session.
CycleInterpolator	Repeats the animation for a specified number of cycles.

D

Dao	Marks the class as a Data Access Object.
Data	A persistable set of key/value pairs which are used as inputs and outputs for `ListenableWorker`s.
Data.Builder	A builder for `Data` objects.
Database	Marks a class as a RoomDatabase.
DatabaseConfiguration	Configuration class for a `RoomDatabase`.
DatabaseUtilsCompat	This class is deprecated. Use `DatabaseUtils` directly.
DatabaseView	Marks a class as an SQLite view.
DataSourceCallback	For supplying media data, implement this if your app has special requirements for the way media data is obtained.
DatePicker	`DatePicker` is a directly subclass of `Picker`.
DecelerateInterpolator	An interpolator where the rate of change starts out quickly and and then decelerates.
DefaultItemAnimator	This implementation of `RecyclerView.ItemAnimator` provides basic animations on remove, add, and move events that happen to the items in a RecyclerView.
DefaultLifecycleObserver	Callback interface for listening to `LifecycleOwner` state changes.
DelegatingWorkerFactory	A `WorkerFactory` which delegates to other factories.
Delete	Marks a method in a `Dao` annotated class as a delete method.
DetailsFragment	This class is deprecated. use `DetailsSupportFragment`
DetailsFragmentBackgroundController	This class is deprecated. use `DetailsSupportFragmentBackgroundController`
DetailsOverviewLogoPresenter	Presenter that responsible to create a ImageView and bind to DetailsOverviewRow.
DetailsOverviewLogoPresenter.ViewHolder	ViewHolder for Logo view of DetailsOverviewRow.
DetailsOverviewRow	An overview `Row` for a details fragment.
DetailsOverviewRow.Listener	Listener for changes of DetailsOverviewRow.
DetailsOverviewRowPresenter	This class is deprecated. Use `FullWidthDetailsOverviewRowPresenter`
DetailsOverviewRowPresenter.ViewHolder	A ViewHolder for the DetailsOverviewRow.
DetailsParallax	Subclass of Parallax object that tracks overview row's top and bottom edge in DetailsFragment or DetailsSupportFragment.
DetailsSupportFragment	A fragment for creating Leanback details screens.
DetailsSupportFragmentBackgroundController	Controller for DetailsSupportFragment parallax background and embedded video play.
DeviceState	Information about the state of the device.
DeviceState.Builder	Builder for `DeviceState` objects.
DeviceWearableButtonsProvider	Default implementation of `WearableButtonsProvider`, that reads the button locations from the platform.
DiagnosticsReceiver	The `BroadcastReceiver` which dumps out useful diagnostics information.
DialogCompat	Helper for accessing features in `Dialog` in a backwards compatible fashion.
DialogFragment	Static library support version of the framework's `DialogFragment`.
DialogFragmentNavigator	Navigator that uses `DialogFragment.show(FragmentManager, String)`.
DialogFragmentNavigator.Destination	NavDestination specific to `DialogFragmentNavigator`.
DialogPreference	A base class for `Preference`s that are dialog-based.
DialogPreference.TargetFragment	Interface for `PreferenceFragmentCompat`s to implement to allow `DialogPreference`s to find the preference that launched the dialog.
DiffCallback<Value>	Callback that informs `ArrayObjectAdapter` how to compute list updates when using `DiffUtil` in `ArrayObjectAdapter.setItems(List, DiffCallback)` method.
DiffUtil	DiffUtil is a utility class that calculates the difference between two lists and outputs a list of update operations that converts the first list into the second one.
DiffUtil.Callback	A Callback class used by DiffUtil while calculating the diff between two lists.
DiffUtil.DiffResult	This class holds the information about the result of a `DiffUtil.calculateDiff(Callback, boolean)` call.
DiffUtil.ItemCallback<T>	Callback for calculating the diff between two non-null items in a list.
DimenRes	Denotes that an integer parameter, field or method return value is expected to be a dimension resource reference (e.g.
Dimension	Denotes that an integer parameter, field or method return value is expected to represent a dimension.
DismissibleFrameLayout	Special FrameLayout that is dismissible by the Back button press, and by left to right swipe when the SwipeToDismiss is been enabled on the device config or themes.
DismissibleFrameLayout.Callback	Implement this callback to act on particular stage of the dismissal.
DisplayCompat	A class for retrieving the physical display size from a device.
DisplayCompat.ModeCompat	Compat class which provides an additional isNative() field.
DisplayCutoutCompat	Represents the area of the display that is not functional for displaying content.
DisplayFeature	Description of a physical feature on the display.
DisplayFeature.Builder	Builder for `DisplayFeature` objects.
DisplayManagerCompat	Helper for accessing features in `DisplayManager`.
DisplayOrientedMeteringPointFactory	A `MeteringPointFactory` that can convert a `View` (x, y) into a `MeteringPoint` which can then be used to construct a `FocusMeteringAction` to start a focus and metering action.
DividerItemDecoration	DividerItemDecoration is a `RecyclerView.ItemDecoration` that can be used as a divider between items of a `LinearLayoutManager`.
DividerPresenter	DividerPresenter provides a default presentation for `DividerRow` in HeadersFragment.
DividerRow	Used to represent divider in HeadersFragment.
DocTypeNotSupportedException	Thrown if trying to create a credential with an unsupported document type.
DocumentFile	Representation of a document backed by either a `DocumentsProvider` or a raw file on disk.
DoNotInline	Denotes that the annotated method should not be inlined when the code is optimized at build time.
DragAndDropPermissionsCompat	Helper for accessing features in `DragAndDropPermissions` a backwards compatible fashion.
DragStartHelper	DragStartHelper is a utility class for implementing drag and drop support.
DragStartHelper.OnDragStartListener	Interface definition for a callback to be invoked when a drag start gesture is detected.
DrawableCompat	Helper for accessing features in `Drawable`.
DrawableRes	Denotes that an integer parameter, field or method return value is expected to be a drawable resource reference (e.g.
DrawerArrowDrawable	A drawable that can draw a "Drawer hamburger" menu or an arrow and animate between them.
DrawerLayout	DrawerLayout acts as a top-level container for window content that allows for interactive "drawer" views to be pulled out from one or both vertical edges of the window.
DrawerLayout.DrawerListener	Listener for monitoring events about drawers.
DrawerLayout.LayoutParams
DrawerLayout.SavedState	State persisted across instances
DrawerLayout.SimpleDrawerListener	Stub/no-op implementations of all methods of `DrawerLayout.DrawerListener`.
DropDownPreference	A `ListPreference` that presents the options in a drop down menu rather than a dialog.
DynamicAnimation<T extends DynamicAnimation<T>>	This class is the base class of physics-based animations.
DynamicAnimation.OnAnimationEndListener	An animation listener that receives end notifications from an animation.
DynamicAnimation.OnAnimationUpdateListener	Implementors of this interface can add themselves as update listeners to an `DynamicAnimation` instance to receive callbacks on every animation frame, after the current frame's values have been calculated for that `DynamicAnimation`.
DynamicAnimation.ViewProperty	ViewProperty holds the access of a property of a `View`.

E

EdgeEffectCompat	Helper for accessing `EdgeEffect`.
EditorInfoCompat	Helper for accessing features in `EditorInfo` in a backwards compatible fashion.
EditTextPreference	A `DialogPreference` that shows a `EditText` in the dialog.
EditTextPreference.OnBindEditTextListener	Interface definition for a callback to be invoked when the corresponding dialog view for this preference is bound.
EditTextPreference.SimpleSummaryProvider	A simple `Preference.SummaryProvider` implementation for an `EditTextPreference`.
EditTextPreferenceDialogFragment	This class is deprecated. Use `EditTextPreferenceDialogFragmentCompat` instead
EditTextPreferenceDialogFragmentCompat
Embedded	Marks a field of an `Entity` or POJO to allow nested fields (i.e.
EmojiAppCompatButton	AppCompatButton widget enhanced with emoji capability by using `EmojiTextViewHelper`.
EmojiAppCompatEditText	AppCompatEditText widget enhanced with emoji capability by using `EmojiEditTextHelper`.
EmojiAppCompatTextView	AppCompatTextView widget enhanced with emoji capability by using `EmojiTextViewHelper`.
EmojiButton	Button widget enhanced with emoji capability by using `EmojiTextViewHelper`.
EmojiCompat	Main class to keep Android devices up to date with the newest emojis by adding `EmojiSpan`s to a given `CharSequence`.
EmojiCompat.Config	Configuration class for EmojiCompat.
EmojiCompat.InitCallback	Listener class for the initialization of the EmojiCompat.
EmojiCompat.MetadataRepoLoader	Interface to load emoji metadata.
EmojiCompat.MetadataRepoLoaderCallback	Callback to inform EmojiCompat about the state of the metadata load.
EmojiEditText	EditText widget enhanced with emoji capability by using `EmojiEditTextHelper`.
EmojiEditTextHelper	Utility class to enhance custom EditText widgets with `EmojiCompat`.
EmojiExtractTextLayout	Layout that contains emoji compatibility enhanced ExtractEditText.
EmojiSpan	Base span class for the emoji replacement.
EmojiTextView	TextView widget enhanced with emoji capability by using `EmojiTextViewHelper`.
EmojiTextViewHelper	Utility class to enhance custom TextView widgets with `EmojiCompat`.
EmptyResultSetException	Thrown by Room when the query in a Single<T> DAO method needs to return a result but the returned result from the database is empty.
EmptyResultSetException	Thrown by Room when the query in a Single<T> DAO method needs to return a result but the returned result from the database is empty.
EncryptedFile	Class used to create and read encrypted files.
EncryptedFile.Builder	Builder class to configure EncryptedFile
EncryptedFile.FileEncryptionScheme	The encryption scheme to encrypt files.
EncryptedSharedPreferences	An implementation of `SharedPreferences` that encrypts keys and values.
EncryptedSharedPreferences.PrefKeyEncryptionScheme	The encryption scheme to encrypt keys.
EncryptedSharedPreferences.PrefValueEncryptionScheme	The encryption scheme to encrypt values.
Entity	Marks a class as an entity.
EnvironmentCompat	Helper for accessing features in `Environment`.
EphemeralPublicKeyNotFoundException	Thrown if the ephemeral public key was not found in the session transcript passed to `IdentityCredential.getEntries(byte[], Map, byte[])`.
ErrorFragment	This class is deprecated. use `ErrorSupportFragment`
ErrorSupportFragment	A fragment for displaying an error indication.
EventInfo	Represents information associated with a logged event on `SliceView`.
ExifInterface	This is a class for reading and writing Exif tags in various image file formats.
ExistingPeriodicWorkPolicy	An enumeration of the conflict resolution policies available to unique `PeriodicWorkRequest`s in case of a collision.
ExistingWorkPolicy	An enumeration of the conflict resolution policies available to unique `OneTimeWorkRequest`s in case of a collision.
ExperimentalAvailableCamerasLimiter	Denotes that the annotated method uses an experimental API that configures CameraX to limit the available cameras applications can use in order to optimize the initialization latency.
ExperimentalCamera2Interop	Denotes that the annotated method uses the experimental methods which allow direct access to camera2 classes.
ExperimentalCameraFilter	Denotes that the annotated method uses an experimental API that customizes camera filters to select a specific camera.
ExperimentalCameraProviderConfiguration	Denotes that the annotated method uses an experimental path for configuring a camera provider.
ExperimentalCustomizableThreads	Denotes that the annotated method uses an experimental API that swaps the default threading implementation with a user-defined threading implementation.
ExperimentalExposureCompensation	Denotes that the annotated method uses the experimental ExposureCompensation APIs that can control the exposure compensation of the camera.
ExperimentalGetImage	Denotes that the annotated method uses the experimental `ImageProxy.getImage()` method.
ExperimentalLogging	Denotes that the annotated method uses the experimental method `CameraXConfig.Builder.setMinimumLoggingLevel(int)` for specifying the minimum logging level to use inside CameraX.
ExperimentalUseCaseGroup	Denotes that the annotated classes and methods uses the experimental feature which provides a grouping mechanism for `UseCase`s.
ExperimentalUseCaseGroupLifecycle	Same as `ExperimentalUseCaseGroup`.
ExperimentalVideo	Denotes that the annotated method uses the experimental methods which allow for video recording.
Explode	This transition tracks changes to the visibility of target views in the start and end scenes and moves views in or out from the edges of the scene.
ExploreByTouchHelper	ExploreByTouchHelper is a utility class for implementing accessibility support in custom `View`s that represent a collection of View-like logical items.
ExposureState	An interface which contains the camera exposure related information.
ExtendableBuilder<T>	Extendable builders are used to add externally defined options that can be passed to the implementation being built.
ExtensionCameraFilter	A filter that filters camera based on extender implementation.
ExtensionsErrorListener	Listener called when any extensions error occurs.
ExtensionsErrorListener.ExtensionsErrorCode	Types of error when extensions function is enabled.
ExtensionsManager	Provides interfaces for third party app developers to get capabilities info of extension functions.
ExtensionsManager.EffectMode	The effect mode options applied on the bound use cases
ExtensionsManager.ExtensionsAvailability
ExtensionWindowBackend	Default implementation of `WindowBackend` that uses a combination of platform APIs and device-dependent OEM extensions.
ExternalInput	Identifies parameters of an `RemoteCallable` that will be pulled from the caller of the callback.
ExtrasUtils	Utilities for inserting/retrieving data into/from textclassifier related results and intents.

F

FacetProvider	This is the query interface to supply optional features(aka facets) on an object without the need of letting the object to subclass or implement java interfaces.
FacetProviderAdapter	Optional interface that implemented by `RecyclerView.Adapter` to query `FacetProvider` for a given item view type within Adapter.
Fade	This transition tracks changes to the visibility of target views in the start and end scenes and fades views in or out when they become visible or non-visible.
FakeKeyedAppStatesReporter	A fake `KeyedAppStatesReporter` for testing.
FastOutLinearInInterpolator	Interpolator corresponding to `R.interpolator.fast_out_linear_in`.
FastOutSlowInInterpolator	Interpolator corresponding to `R.interpolator.fast_out_slow_in`.
Features	Class containing all the features the support library can support.
FileMediaItem	Structure for media item for a file.
FileMediaItem.Builder	This Builder class simplifies the creation of a `FileMediaItem` object.
FileProvider	FileProvider is a special subclass of `ContentProvider` that facilitates secure sharing of files associated with an app by creating a `content://` `Uri` for a file instead of a `file:///` `Uri`.
FingerprintManagerCompat	This class is deprecated. Use `androidx.biometrics.BiometricPrompt` instead.
FingerprintManagerCompat.AuthenticationCallback	Callback structure provided to `FingerprintManagerCompat.authenticate(CryptoObject, int, CancellationSignal, AuthenticationCallback, Handler)`.
FingerprintManagerCompat.AuthenticationResult	Container for callback data from `FingerprintManagerCompat.authenticate(CryptoObject, int, CancellationSignal, AuthenticationCallback, Handler)`.
FingerprintManagerCompat.CryptoObject	A wrapper class for the crypto objects supported by FingerprintManager.
FitWidthBitmapDrawable	Subclass of `Drawable` that can be used to draw a bitmap into a region.
FlingAnimation	Fling animation is an animation that continues an initial momentum (most often from gesture velocity) and gradually slows down.
FloatArrayEvaluator	This evaluator can be used to perform type interpolation between `float[]` values.
FloatEvaluator	This evaluator can be used to perform type interpolation between `float` values.
FloatingWindow	A marker interface for `NavDestination` subclasses that float above the view of other destinations (i.e.
FloatProperty<T>	An implementation of `Property` to be used specifically with fields of type `float`.
FloatPropertyCompat<T>	FloatPropertyCompat is an abstraction that can be used to represent a mutable float value that is held in a host object.
FloatRange	Denotes that the annotated element should be a float or double in the given range Example: `@FloatRange(from=0.0,to=1.0) public float getAlpha() { ...`
FloatValueHolder	FloatValueHolder holds a float value.
FocusDelegate<K>	Override methods in this class to provide application specific behaviors related to focusing item.
FocusHighlight	Interface for highlighting the item that has focus.
FocusHighlightHelper	Sets up the highlighting behavior when an item gains focus.
FocusMeteringAction	A configuration used to trigger a focus and/or metering action.
FocusMeteringAction.Builder	The builder used to create the `FocusMeteringAction`.
FocusMeteringResult	Result of the `CameraControl.startFocusAndMetering(FocusMeteringAction)`.
FontRequest	Information about a font request that may be sent to a Font Provider.
FontRequestEmojiCompatConfig	`EmojiCompat.Config` implementation that asynchronously fetches the required font and the metadata using a `FontRequest`.
FontRequestEmojiCompatConfig.ExponentialBackoffRetryPolicy	A retry policy implementation that doubles the amount of time in between retries.
FontRequestEmojiCompatConfig.RetryPolicy	Retry policy used when the font provider is not ready to give the font file.
FontRes	Denotes that an integer parameter, field or method return value is expected to be a font resource reference (e.g.
FontsContractCompat	Utility class to deal with Font ContentProviders.
FontsContractCompat.Columns	Defines the constants used in a response from a Font Provider.
FontsContractCompat.FontFamilyResult	Object returned from `FontsContractCompat.fetchFonts(Context, CancellationSignal, FontRequest)`.
FontsContractCompat.FontInfo	Object represent a font entry in the family returned from `FontsContractCompat.fetchFonts(Context, CancellationSignal, FontRequest)`.
FontsContractCompat.FontRequestCallback	Interface used to receive asynchronously fetched typefaces.
ForegroundInfo	The information required when a `ListenableWorker` runs in the context of a foreground service.
ForegroundUpdater	Manages updating `Notification`s when a `ListenableWorker` transitions to running in the context of a foreground `Service`.
ForeignKey	Declares a foreign key on another `Entity`.
ForeignKey.Action	Constants definition for values that can be used in `ForeignKey.onDelete()` and `ForeignKey.onUpdate()`.
FractionRes	Denotes that an integer parameter, field or method return value is expected to be a fraction resource reference.
Fragment	Static library support version of the framework's `Fragment`.
Fragment.InstantiationException	Thrown by `FragmentFactory.instantiate(ClassLoader, String)` when there is an instantiation failure.
Fragment.SavedState	State information that has been retrieved from a fragment instance through `FragmentManager.saveFragmentInstanceState`.
FragmentActivity	Base class for activities that want to use the support-based `Fragments`.
FragmentAnimationProvider	FragmentAnimationProvider supplies animations for use during a fragment's onCreateAnimator callback.
FragmentContainer	Callbacks to a `Fragment`'s container.
FragmentContainerView	FragmentContainerView is a customized Layout designed specifically for Fragments.
FragmentController	Provides integration points with a `FragmentManager` for a fragment host.
FragmentFactory	Interface used to control the instantiation of `Fragment` instances.
FragmentHostCallback<E>	Integration points with the Fragment host.
FragmentManager	Static library support version of the framework's `FragmentManager`.
FragmentManager.BackStackEntry	Representation of an entry on the fragment back stack, as created with `FragmentTransaction.addToBackStack()`.
FragmentManager.FragmentLifecycleCallbacks	Callback interface for listening to fragment state changes that happen within a given FragmentManager.
FragmentManager.OnBackStackChangedListener	Interface to watch for changes to the back stack.
FragmentManagerNonConfig	This class is deprecated. Have your `FragmentHostCallback` implement `ViewModelStoreOwner` to automatically retain the Fragment's non configuration state.
FragmentNavigator	Navigator that navigates through `fragment transactions`.
FragmentNavigator.Destination	NavDestination specific to `FragmentNavigator`
FragmentNavigator.Extras	Extras that can be passed to FragmentNavigator to enable Fragment specific behavior
FragmentNavigator.Extras.Builder	Builder for constructing new `FragmentNavigator.Extras` instances.
FragmentOnAttachListener	Listener for receiving a callback immediately following `Fragment.onAttach(Context)`.
FragmentPagerAdapter	This class is deprecated. Switch to `ViewPager2` and use `FragmentStateAdapter` instead.
FragmentResultListener	Listener for handling fragment results.
FragmentResultOwner	A class that manages passing data between fragments.
FragmentStateAdapter	Similar in behavior to `FragmentStatePagerAdapter` Lifecycle within `RecyclerView`: `RecyclerView.ViewHolder` initially an empty `FrameLayout`, serves as a re-usable container for a `Fragment` in later stages.
FragmentStateAdapter.FragmentTransactionCallback	Callback interface for listening to fragment lifecycle changes that happen inside the adapter.
FragmentStateAdapter.FragmentTransactionCallback.OnPostEventListener	Callback returned by `FragmentStateAdapter.FragmentTransactionCallback.onFragmentPreAdded(Fragment)`, `FragmentStateAdapter.FragmentTransactionCallback.onFragmentPreRemoved(Fragment)`, `FragmentStateAdapter.FragmentTransactionCallback.onFragmentMaxLifecyclePreUpdated(Fragment, Lifecycle.State)` called after the operation ends.
FragmentStateManagerControl
FragmentStatePagerAdapter	This class is deprecated. Switch to `ViewPager2` and use `FragmentStateAdapter` instead.
FragmentTabHost	This class is deprecated. Use TabLayout and ViewPager instead.
FragmentTransaction	Static library support version of the framework's `FragmentTransaction`.
FragmentViewHolder	`RecyclerView.ViewHolder` implementation for handling `Fragment`s.
FrameMetricsAggregator	This class can be used to record and return data about per-frame durations.
FrameworkSQLiteOpenHelperFactory	Implements `SupportSQLiteOpenHelper.Factory` using the SQLite implementation in the framework.
Fts3	Marks an `Entity` annotated class as a FTS3 entity.
Fts4	Marks an `Entity` annotated class as a FTS4 entity.
FtsOptions	Available option values that can be used with `Fts3` & `Fts4`.
FtsOptions.MatchInfo
FtsOptions.Order
FullWidthDetailsOverviewRowPresenter	Renders a `DetailsOverviewRow` to display an overview of an item.
FullWidthDetailsOverviewRowPresenter.Listener	Listeners for events on ViewHolder.
FullWidthDetailsOverviewRowPresenter.ViewHolder	A ViewHolder for the DetailsOverviewRow.
FullWidthDetailsOverviewRowPresenter.ViewHolder.DetailsOverviewRowListener
FullWidthDetailsOverviewSharedElementHelper	Helper class to assist delayed shared element activity transition for view created by `FullWidthDetailsOverviewRowPresenter`.
Function<I, O>	Represents a function.

G

GestureDetectorCompat	Detects various gestures and events using the supplied `MotionEvent`s.
GnssStatusCompat	GnssStatus representation that works across all Android versions.
GnssStatusCompat.Callback	See `GnssStatus.Callback`.
GravityCompat	Compatibility shim for accessing newer functionality from `Gravity`.
GridLayout	A layout that places its children in a rectangular grid.
GridLayout.Alignment	Alignments specify where a view should be placed within a cell group and what size it should be.
GridLayout.LayoutParams	Layout information associated with each of the children of a GridLayout.
GridLayout.Spec	A Spec defines the horizontal or vertical characteristics of a group of cells.
GridLayoutManager	A `RecyclerView.LayoutManager` implementations that lays out items in a grid.
GridLayoutManager.DefaultSpanSizeLookup	Default implementation for `GridLayoutManager.SpanSizeLookup`.
GridLayoutManager.LayoutParams	LayoutParams used by GridLayoutManager.
GridLayoutManager.SpanSizeLookup	A helper class to provide the number of spans each item occupies.
GridRowBuilder	Builder to construct a grid row which may be added as a row to `ListBuilder`.
GridRowBuilder.CellBuilder	Builder to construct a cell.
GuardedBy	Denotes that the annotated method or field can only be accessed when holding the referenced lock.
GuidanceStylist	GuidanceStylist is used within a `GuidedStepFragment` to display contextual information for the decision(s) required at that step.
GuidanceStylist.Guidance	A data class representing contextual information for a `GuidedStepFragment`.
GuidedAction	A data class which represents an action within a `GuidedStepFragment`.
GuidedAction.Builder	Builds a `GuidedAction` object.
GuidedAction.BuilderBase<B extends BuilderBase>	Base builder class to build a `GuidedAction` object.
GuidedActionAutofillSupport	Interface for a custom EditText subclass to support autofill in `GuidedStepSupportFragment`.
GuidedActionAutofillSupport.OnAutofillListener	Listener for autofill event.
GuidedActionDiffCallback	DiffCallback used for GuidedActions, see `GuidedStepSupportFragment.setActionsDiffCallback(DiffCallback)`.
GuidedActionEditText	A custom EditText that satisfies the IME key monitoring requirements of GuidedStepFragment.
GuidedActionsStylist	GuidedActionsStylist is used within a `GuidedStepFragment` to supply the right-side panel where users can take actions.
GuidedActionsStylist.ViewHolder	ViewHolder caches information about the action item layouts' subviews.
GuidedDatePickerAction	Subclass of GuidedAction that can choose a date.
GuidedDatePickerAction.Builder	Builder class to build a GuidedDatePickerAction.
GuidedDatePickerAction.BuilderBase<B extends BuilderBase>	Base Builder class to build GuidedDatePickerAction.
GuidedStepFragment	This class is deprecated. use `GuidedStepSupportFragment`
GuidedStepSupportFragment	A GuidedStepSupportFragment is used to guide the user through a decision or series of decisions.

H

HalfFloat	Denotes that the annotated element represents a half-precision floating point value.
HandlerCompat	Helper for accessing features in `Handler`.
HandlerExecutor	An adapter `Executor` that posts all executed tasks onto the given `Handler`.
HasDefaultViewModelProviderFactory	Interface that marks a `ViewModelStoreOwner` as having a default `ViewModelProvider.Factory` for use with `ViewModelProvider.ViewModelProvider(ViewModelStoreOwner)`.
HdrImageCaptureExtender	Load the OEM extension implementation for HDR effect type.
HdrPreviewExtender	Load the OEM extension Preview implementation for HDR effect type.
HeaderItem	A header item describes the metadata of a `Row`, such as a category of media items.
HeadersFragment	This class is deprecated. use `HeadersSupportFragment`
HeadersFragment.OnHeaderClickedListener	This interface is deprecated. use `HeadersSupportFragment`
HeadersFragment.OnHeaderViewSelectedListener	This interface is deprecated. use `HeadersSupportFragment`
HeadersSupportFragment	An fragment containing a list of row headers.
HeadersSupportFragment.OnHeaderClickedListener	Interface definition for a callback to be invoked when a header item is clicked.
HeadersSupportFragment.OnHeaderViewSelectedListener	Interface definition for a callback to be invoked when a header item is selected.
HeartRating	A class for rating with a single degree of rating, "heart" vs "no heart".
HeifWriter	This class writes one or more still images (of the same dimensions) into a heif file.
HeifWriter.Builder	Builder class for constructing a HeifWriter object from specified parameters.
HiltViewModelFactory	View Model Provider Factory for the Hilt Extension.
HiltWorkerFactory	Worker Factory for the Hilt Extension A provider for this factory will be installed in the `ApplicationComponent`.
HintConstants	Contains all the officially supported autofill hint constants.
HorizontalGridView	A `ViewGroup` that shows items in a horizontal scrolling list.
HorizontalHoverCardSwitcher	A helper class for showing a hover card view below a `HorizontalGridView`.
HtmlCompat	Backwards compatible version of `Html`.

I

IconCompat	Helper for accessing features in `Icon`.
ICUCompat
IdentityCredential	Class used to read data from a previously provisioned credential.
IdentityCredentialException	Base class for all Identity Credential exceptions.
IdentityCredentialStore	An interface to a secure store for user identity documents.
IdRes	Denotes that an integer parameter, field or method return value is expected to be an id resource reference (e.g.
Ignore	Ignores the marked element from Room's processing logic.
ImageAnalysis	A use case providing CPU accessible images for an app to perform image analysis on.
ImageAnalysis.Analyzer	Interface for analyzing images.
ImageAnalysis.Builder	Builder for a `ImageAnalysis`.
ImageCapture	A use case for taking a picture.
ImageCapture.Builder	Builder for an `ImageCapture`.
ImageCapture.Metadata	Holder class for metadata that will be saved with captured images.
ImageCapture.OnImageCapturedCallback	Callback for when an image capture has completed.
ImageCapture.OnImageSavedCallback	Listener containing callbacks for image file I/O events.
ImageCapture.OutputFileOptions	Options for saving newly captured image.
ImageCapture.OutputFileOptions.Builder	Builder class for `ImageCapture.OutputFileOptions`.
ImageCapture.OutputFileResults	Info about the saved image file.
ImageCaptureException	An exception thrown to indicate an error has occurred during image capture or while saving the captured image.
ImageCaptureExtender	Class for using an OEM provided extension on image capture.
ImageCardView	A subclass of `BaseCardView` with an `ImageView` as its main region.
ImageInfo	Metadata for an image.
ImageProxy	An image proxy which has a similar interface as `Image`.
ImageProxy.PlaneProxy	A plane proxy which has an analogous interface as `Image.Plane`.
ImageViewCompat	Helper for accessing features in `ImageView`.
ImageViewStyle	Specifies the style for an `ImageView`.
ImageViewStyle.Builder	Builder for the `ImageViewStyle`.
ImeKeyMonitor	Interface for an EditText subclass that can delegate calls to onKeyPreIme up to a registered listener.
ImeKeyMonitor.ImeKeyListener	Listener interface for key events intercepted pre-IME by edit text objects.
Index	Declares an index on an Entity.
InitializationException	`InitializationException` is thrown when a failure occurs during an initialization process.
Initializer<T>	`Initializer`s can be used to initialize libraries during app startup, without the need to use additional `ContentProvider`s.
InlineSuggestionUi	The entry point for building the content or style for the V1 inline suggestion UI.
InlineSuggestionUi.Content	Content for the V1 inline suggestion UI.
InlineSuggestionUi.Content.Builder	Builder for the `InlineSuggestionUi.Content`.
InlineSuggestionUi.Style	Style for the V1 inline suggestion UI.
InlineSuggestionUi.Style.Builder	Builder for the `InlineSuggestionUi.Style`.
InputConnectionCompat	Helper for accessing features in `InputConnection` introduced after API level 13 in a backwards compatible fashion.
InputConnectionCompat.OnCommitContentListener	Listener for commitContent method call, in a backwards compatible fashion.
InputContentInfoCompat	Helper for accessing features in InputContentInfo introduced after API level 13 in a backwards compatible fashion.
InputDeviceCompat	Helper class for accessing values in `InputDevice`.
InputMerger	An abstract class that allows the user to define how to merge a list of inputs to a `ListenableWorker`.
InputMergerFactory	A factory object that creates `InputMerger` instances.
Insert	Marks a method in a `Dao` annotated class as an insert method.
Insets	An Insets instance holds four integer offsets which describe changes to the four edges of a Rectangle.
InspectableProperty	Denotes that the annotated method is the getter for a resources-backed property that should be shown in Android Studio's inspection tools.
InspectableProperty.EnumEntry	One entry in an enumeration packed into a primitive {int}.
InspectableProperty.FlagEntry	One flag value of many that may be packed into a primitive {int}.
InspectableProperty.ValueType	The type of value packed into a primitive {int}.
InstantTaskExecutorRule	A JUnit Test Rule that swaps the background executor used by the Architecture Components with a different one which executes each task synchronously.
IntArrayEvaluator	This evaluator can be used to perform type interpolation between `int[]` values.
IntDef	Denotes that the annotated element of integer type, represents a logical type and that its value should be one of the explicitly named constants.
IntegerRes	Denotes that an integer parameter, field or method return value is expected to be an integer resource reference (e.g.
IntentCompat	Helper for accessing features in `Intent`.
IntentSenderRequest	A request for a `ActivityResultContracts.StartIntentSenderForResult` Activity Contract.
IntentSenderRequest.Builder	A builder for constructing `IntentSenderRequest` instances.
Interpolator	An interpolator defines the rate of change of an animation.
InterpolatorRes	Denotes that an integer parameter, field or method return value is expected to be an interpolator resource reference (e.g.
IntEvaluator	This evaluator can be used to perform type interpolation between `int` values.
IntProperty<T>	An implementation of `Property` to be used specifically with fields of type `int`.
IntRange	Denotes that the annotated element should be an int or long in the given range Example: `@IntRange(from=0,to=255) public int getAlpha() { ...`
InvalidationTracker	InvalidationTracker keeps a list of tables modified by queries and notifies its callbacks about these tables.
InvalidationTracker.Observer	An observer that can listen for changes in the database.
InvalidReaderSignatureException	Thrown if the reader signature is invalid, or it doesn't contain a certificate chain, or if the signature failed to validate.
InvalidRequestMessageException	Thrown if message with the request doesn't satisfy the requirements documented in `IdentityCredential.getEntries(byte[], Map, byte[])`.
ItemAlignmentFacet	Optional facet provided by `RecyclerView.Adapter` or `RecyclerView.ViewHolder` for use in `HorizontalGridView` and `VerticalGridView`.
ItemAlignmentFacet.ItemAlignmentDef	Definition of an alignment position under a view.
ItemBridgeAdapter	Bridge from `Presenter` to `RecyclerView.Adapter`.
ItemBridgeAdapter.AdapterListener	Interface for listening to ViewHolder operations.
ItemBridgeAdapter.ViewHolder	ViewHolder for the ItemBridgeAdapter.
ItemBridgeAdapter.Wrapper	Interface for wrapping a view created by a Presenter into another view.
ItemBridgeAdapterShadowOverlayWrapper	A wrapper class working with `ItemBridgeAdapter` to wrap item view in a `ShadowOverlayContainer`.
ItemDetailsLookup<K>	The Selection library calls `getItemDetails(MotionEvent)` when it needs access to information about the area and/or `ItemDetailsLookup.ItemDetails` under a `MotionEvent`.
ItemDetailsLookup.ItemDetails<K>	An ItemDetails implementation provides the selection library with access to information about a specific RecyclerView item.
ItemKeyProvider<K>	Provides selection library