Added in API level 1

android.view

Provides classes that expose basic user interface classes that handle screen layout and interaction with the user.

Annotations

ViewDebug.CapturedViewProperty This annotation can be used to mark fields and methods to be dumped when the view is captured. 
ViewDebug.ExportedProperty This annotation can be used to mark fields and methods to be dumped by the view server. 
ViewDebug.FlagToString Defines a mapping from a flag to a String. 
ViewDebug.IntToString Defines a mapping from an int value to a String. 

Interfaces

ActionMode.Callback Callback interface for action modes. 
ActionProvider.VisibilityListener Listens to changes in visibility as reported by ActionProvider.refreshVisibility(). 
AttachedSurfaceControl Provides an interface to the root-Surface of a View Hierarchy or Window. 
AttachedSurfaceControl.OnBufferTransformHintChangedListener Buffer transform hint change listener. 
Choreographer.FrameCallback Implement this interface to receive a callback when a new display frame is being rendered. 
Choreographer.VsyncCallback Implement this interface to receive a callback to start the next frame. 
CollapsibleActionView When a View implements this interface it will receive callbacks when expanded or collapsed as an action view alongside the optional, app-specified callbacks to OnActionExpandListener. 
ContextMenu Extension of Menu for context menus providing functionality to modify the header of the context menu. 
ContextMenu.ContextMenuInfo Additional information regarding the creation of the context menu. 
GestureDetector.OnContextClickListener The listener that is used to notify when a context click occurs. 
GestureDetector.OnDoubleTapListener The listener that is used to notify when a double-tap or a confirmed single-tap occur. 
GestureDetector.OnGestureListener The listener that is used to notify when gestures occur. 
InputQueue.Callback Interface to receive notification of when an InputQueue is associated and dissociated with a thread. 
KeyEvent.Callback  
LayoutInflater.Factory  
LayoutInflater.Factory2  
LayoutInflater.Filter Hook to allow clients of the LayoutInflater to restrict the set of Views that are allowed to be inflated. 
Menu Interface for managing the items in a menu. 
MenuItem Interface for direct access to a previously created menu item. 
MenuItem.OnActionExpandListener Interface definition for a callback to be invoked when a menu item marked with MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW is expanded or collapsed. 
MenuItem.OnMenuItemClickListener Interface definition for a callback to be invoked when a menu item is clicked. 
OnReceiveContentListener Listener for apps to implement handling for insertion of content. 
PixelCopy.OnPixelCopyFinishedListener Listener for observing the completion of a PixelCopy request. 
ScaleGestureDetector.OnScaleGestureListener The listener for receiving notifications when gestures occur. 
ScrollCaptureCallback A ScrollCaptureCallback is responsible for providing rendered snapshots of scrolling content for the scroll capture system. 
SubMenu Subclass of Menu for sub menus. 
SurfaceControl.TransactionCommittedListener Interface to handle request to SurfaceControl.Transaction.addTransactionCommittedListener(Executor, TransactionCommittedListener) 
SurfaceControlInputReceiver Provides a mechanism for a SurfaceControl to receive input events. 
SurfaceHolder Abstract interface to someone holding a display surface. 
SurfaceHolder.Callback A client may implement this interface to receive information about changes to the surface. 
SurfaceHolder.Callback2 Additional callbacks that can be received for Callback. 
TextureView.SurfaceTextureListener This listener can be used to be notified when the surface texture associated with this texture view is available. 
View.OnApplyWindowInsetsListener Listener for applying window insets on a view in a custom way. 
View.OnAttachStateChangeListener Interface definition for a callback to be invoked when this view is attached or detached from its window. 
View.OnCapturedPointerListener Interface definition for a callback to be invoked when a captured pointer event is being dispatched this view. 
View.OnClickListener Interface definition for a callback to be invoked when a view is clicked. 
View.OnContextClickListener Interface definition for a callback to be invoked when a view is context clicked. 
View.OnCreateContextMenuListener Interface definition for a callback to be invoked when the context menu for this view is being built. 
View.OnDragListener Interface definition for a listener that's invoked when a drag event is dispatched to this view. 
View.OnFocusChangeListener Interface definition for a callback to be invoked when the focus state of a view changed. 
View.OnGenericMotionListener Interface definition for a callback to be invoked when a generic motion event is dispatched to this view. 
View.OnHoverListener Interface definition for a callback to be invoked when a hover event is dispatched to this view. 
View.OnKeyListener Interface definition for a callback to be invoked when a hardware key event is dispatched to this view. 
View.OnLayoutChangeListener Interface definition for a callback to be invoked when the layout bounds of a view changes due to layout processing. 
View.OnLongClickListener Interface definition for a callback to be invoked when a view has been clicked and held. 
View.OnScrollChangeListener Interface definition for a callback to be invoked when the scroll X or Y positions of a view change. 
View.OnSystemUiVisibilityChangeListener This interface was deprecated in API level 30. Use WindowInsets.isVisible(int) to find out about system bar visibilities by setting a OnApplyWindowInsetsListener on this view. 
View.OnTouchListener Interface definition for a callback to be invoked when a touch event is dispatched to this view. 
View.OnUnhandledKeyEventListener Interface definition for a callback to be invoked when a hardware key event hasn't been handled by the view hierarchy. 
ViewGroup.OnHierarchyChangeListener Interface definition for a callback to be invoked when the hierarchy within this view changed. 
ViewManager Interface to let you add and remove child views to an Activity. 
ViewParent Defines the responsibilities for a class that will be a parent of a View. 
ViewStub.OnInflateListener Listener used to receive a notification after a ViewStub has successfully inflated its layout resource. 
ViewTreeObserver.OnDrawListener Interface definition for a callback to be invoked when the view tree is about to be drawn. 
ViewTreeObserver.OnGlobalFocusChangeListener Interface definition for a callback to be invoked when the focus state within the view tree changes. 
ViewTreeObserver.OnGlobalLayoutListener Interface definition for a callback to be invoked when the global layout state or the visibility of views within the view tree changes. 
ViewTreeObserver.OnPreDrawListener Interface definition for a callback to be invoked when the view tree is about to be drawn. 
ViewTreeObserver.OnScrollChangedListener Interface definition for a callback to be invoked when something in the view tree has been scrolled. 
ViewTreeObserver.OnTouchModeChangeListener Interface definition for a callback to be invoked when the touch mode changes. 
ViewTreeObserver.OnWindowAttachListener Interface definition for a callback to be invoked when the view hierarchy is attached to and detached from its window. 
ViewTreeObserver.OnWindowFocusChangeListener Interface definition for a callback to be invoked when the view hierarchy's window focus state changes. 
ViewTreeObserver.OnWindowVisibilityChangeListener Interface definition for a callback to be invoked when the view hierarchy's window visibility changes. 
Window.Callback API from a Window back to its caller. 
Window.OnFrameMetricsAvailableListener Callback for clients that want frame timing information for each frame rendered by the Window. 
Window.OnRestrictedCaptionAreaChangedListener Callback for clients that want to be aware of where caption draws content. 
WindowInsetsAnimationController Controller for app-driven animation of system windows. 
WindowInsetsAnimationControlListener Listener that encapsulates a request to WindowInsetsController.controlWindowInsetsAnimation. 
WindowInsetsController Interface to control windows that generate insets. 
WindowInsetsController.OnControllableInsetsChangedListener Listener to be notified when the set of controllable WindowInsets.Type controlled by a WindowInsetsController changes. 
WindowManager The interface that apps use to talk to the window manager. 

Classes

AbsSavedState A Parcelable implementation that should be used by inheritance hierarchies to ensure the state of all classes along the chain is saved. 
ActionMode Represents a contextual mode of the user interface. 
ActionMode.Callback2 Extension of ActionMode.Callback to provide content rect information. 
ActionProvider An ActionProvider defines rich menu interaction in a single component. 
Choreographer Coordinates the timing of animations, input and drawing. 
Choreographer.FrameData The payload for VsyncCallback which includes frame information such as when the frame started being rendered, and multiple possible frame timelines and their information including deadline and expected present time. 
Choreographer.FrameTimeline Holds data that describes one possible VSync frame event to render at. 
ContentInfo Holds all the relevant data for a request to View.performReceiveContent. 
ContentInfo.Builder Builder for ContentInfo. 
ContextThemeWrapper A context wrapper that allows you to modify or replace the theme of the wrapped context. 
Display Provides information about the size and density of a logical display. 
Display.HdrCapabilities Encapsulates the HDR capabilities of a given display. 
Display.Mode A mode supported by a given display. 
DisplayCutout Represents the area of the display that is not functional for displaying content. 
DisplayCutout.Builder A Builder class to construct a DisplayCutout instance. 
DisplayShape A class representing the shape of a display. 
DragAndDropPermissions DragAndDropPermissions controls the access permissions for the content URIs associated with a DragEvent. 
DragEvent Represents an event that is sent out by the system at various times during a drag and drop operation. 
FocusFinder The algorithm used for finding the next focusable view in a given direction from a view that currently has focus. 
FrameMetrics Class containing timing data for various milestones in a frame lifecycle reported by the rendering subsystem. 
FrameStats This is the base class for frame statistics. 
GestureDetector Detects various gestures and events using the supplied MotionEvents. 
GestureDetector.SimpleOnGestureListener A convenience class to extend when you only want to listen for a subset of all the gestures. 
Gravity Standard constants and tools for placing an object within a potentially larger container. 
HapticFeedbackConstants Constants to be used to perform haptic feedback effects via View.performHapticFeedback(int) 
InputDevice Describes the capabilities of a particular input device. 
InputDevice.MotionRange Provides information about the range of values for a particular MotionEvent axis. 
InputEvent Common base class for input events. 
InputQueue An input queue provides a mechanism for an application to receive incoming input events. 
KeyboardShortcutGroup A group of KeyboardShortcutInfo. 
KeyboardShortcutInfo Information about a Keyboard Shortcut. 
KeyCharacterMap Describes the keys provided by a keyboard device and their associated labels. 
KeyCharacterMap.KeyData This class was deprecated in API level 11. instead use KeyCharacterMap.getDisplayLabel(int), KeyCharacterMap.getNumber(int) and KeyCharacterMap.get(int, int). 
KeyEvent Object used to report key and button events. 
KeyEvent.DispatcherState Use with KeyEvent.dispatch(Callback, DispatcherState, Object) for more advanced key dispatching, such as long presses. 
LayoutInflater Instantiates a layout XML file into its corresponding View objects. 
MenuInflater This class is used to instantiate menu XML files into Menu objects. 
MotionEvent Object used to report movement (mouse, pen, finger, trackball) events. 
MotionEvent.PointerCoords Transfer object for pointer coordinates. 
MotionEvent.PointerProperties Transfer object for pointer properties. 
MotionPredictor Calculate motion predictions. 
OrientationEventListener Helper class for receiving notifications from the SensorManager when the orientation of the device has changed. 
OrientationListener This class was deprecated in API level 3. use OrientationEventListener instead. This class internally uses the OrientationEventListener. 
PixelCopy Provides a mechanisms to issue pixel copy requests to allow for copy operations from Surface to Bitmap 
PixelCopy.Request Represents a PixelCopy request. 
PixelCopy.Request.Builder A builder to create the complete PixelCopy request, which is then executed by calling PixelCopy.request(android.view.PixelCopy.Request, java.util.concurrent.Executor, java.util.function.Consumer) with the built request returned from build() 
PixelCopy.Result Contains the result of a PixelCopy request 
PointerIcon Represents an icon that can be used as a mouse pointer. 
RoundedCorner Represents a rounded corner of the display. 
ScaleGestureDetector Detects scaling transformation gestures using the supplied MotionEvents. 
ScaleGestureDetector.SimpleOnScaleGestureListener A convenience class to extend when you only want to listen for a subset of scaling-related events. 
ScrollCaptureSession A session represents the scope of interaction between a ScrollCaptureCallback and the system during an active scroll capture operation. 
ScrollCaptureTarget A target collects the set of contextual information for a ScrollCaptureHandler discovered during a scroll capture search. 
SearchEvent Class that contains information about an event that triggers a search. 
SoundEffectConstants Constants to be used to play sound effects via View.playSoundEffect(int) 
Surface Handle onto a raw buffer that is being managed by the screen compositor. 
SurfaceControl Handle to an on-screen Surface managed by the system compositor. 
SurfaceControl.Builder Builder class for SurfaceControl objects. 
SurfaceControl.Transaction An atomic set of changes to a set of SurfaceControl. 
SurfaceControl.TransactionStats Transaction stats given to the listener registered in SurfaceControl.Transaction.addTransactionCompletedListener 
SurfaceControl.TrustedPresentationThresholds This class was deprecated in API level 35. Use TrustedPresentationThresholds instead. 
SurfaceControlViewHost Utility class for adding a View hierarchy to a SurfaceControl. 
SurfaceControlViewHost.SurfacePackage Package encapsulating a Surface hierarchy which contains interactive view elements. 
SurfaceView Provides a dedicated drawing surface embedded inside of a view hierarchy. 
TextureView

A TextureView can be used to display a content stream, such as that coming from a camera preview, a video, or an OpenGL scene. 

TouchDelegate Helper class to handle situations where you want a view to have a larger touch area than its actual view bounds. 
VelocityTracker Helper for tracking the velocity of motion events, for implementing flinging and other such gestures. 
VerifiedInputEvent Base class for verified events. 
VerifiedKeyEvent KeyEvent that has been verified by the system. 
VerifiedMotionEvent MotionEvent that has been verified by the system. 
View

This class represents the basic building block for user interface components. 

View.AccessibilityDelegate

This class represents a delegate that can be registered in a View to enhance accessibility support via composition rather via inheritance. 

View.BaseSavedState Base class for derived classes that want to save and restore their own state in View.onSaveInstanceState(). 
View.DragShadowBuilder Creates an image that the system displays during the drag and drop operation. 
View.MeasureSpec A MeasureSpec encapsulates the layout requirements passed from parent to child. 
ViewAnimationUtils Defines common utilities for working with View's animations. 
ViewConfiguration Contains methods to standard constants used in the UI for timeouts, sizes, and distances. 
ViewDebug Various debugging/tracing tools related to View and the view hierarchy. 
ViewGroup

A ViewGroup is a special view that can contain other views (called children.) The view group is the base class for layouts and views containers. 

ViewGroup.LayoutParams LayoutParams are used by views to tell their parents how they want to be laid out. 
ViewGroup.MarginLayoutParams Per-child layout information for layouts that support margins. 
ViewGroupOverlay A group overlay is an extra layer that sits on top of a ViewGroup (the "host view") which is drawn after all other content in that view (including the view group's children). 
ViewOutlineProvider Interface by which a View builds its Outline, used for shadow casting and clipping. 
ViewOverlay An overlay is an extra layer that sits on top of a View (the "host view") which is drawn after all other content in that view (including children, if the view is a ViewGroup). 
ViewPropertyAnimator This class enables automatic and optimized animation of select properties on View objects. 
ViewStructure

ViewStructure is a container for storing additional per-view data generated by View.onProvideStructure and View.onProvideAutofillStructure. 

ViewStructure.HtmlInfo Simplified representation of the HTML properties of a node that represents an HTML element. 
ViewStructure.HtmlInfo.Builder Builder for HtmlInfo objects. 
ViewStub A ViewStub is an invisible, zero-sized View that can be used to lazily inflate layout resources at runtime. 
ViewTreeObserver A view tree observer is used to register listeners that can be notified of global changes in the view tree. 
Window Abstract base class for a top-level window look and behavior policy. 
WindowAnimationFrameStats This class was deprecated in API level 34. Use Shared FrameTimeline jank metrics instead. 
WindowContentFrameStats This class contains window content frame statistics. 
WindowId Safe identifier for a window. 
WindowId.FocusObserver Subclass for observing changes to the focus state of an WindowId. 
WindowInsets Describes a set of insets for window content. 
WindowInsets.Builder Builder for WindowInsets. 
WindowInsets.Side Class that defines different sides for insets. 
WindowInsets.Type Class that defines different types of sources causing window insets. 
WindowInsetsAnimation Class representing an animation of a set of windows that cause insets. 
WindowInsetsAnimation.Bounds Class representing the range of an WindowInsetsAnimation 
WindowInsetsAnimation.Callback Interface that allows the application to listen to animation events for windows that cause insets. 
WindowManager.LayoutParams  
WindowMetrics Metrics about a Window, consisting of the bounds and WindowInsets. 

Enums

ViewDebug.HierarchyTraceType This enum was deprecated in API level 16. This enum is now unused 
ViewDebug.RecyclerTraceType This enum was deprecated in API level 16. This enum is now unused 

Exceptions

InflateException This exception is thrown by an inflater on error conditions. 
KeyCharacterMap.UnavailableException Thrown by KeyCharacterMap.load when a key character map could not be loaded. 
Surface.OutOfResourcesException Exception thrown when a Canvas couldn't be locked with Surface.lockCanvas, or when a SurfaceTexture could not successfully be allocated. 
SurfaceHolder.BadSurfaceTypeException Exception that is thrown from SurfaceHolder.lockCanvas() when called on a Surface whose type is SURFACE_TYPE_PUSH_BUFFERS. 
WindowManager.BadTokenException Exception that is thrown when trying to add view whose LayoutParams LayoutParams.token is invalid. 
WindowManager.InvalidDisplayException Exception that is thrown when calling ViewManager.addView(View, LayoutParams) to a secondary display that cannot be found.