Package android.view

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

See:
Description

Interface Summary

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.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.
InputHandler	Handles input messages that arrive on an input channel.
InputQueue.Callback	Interface to receive notification of when an InputQueue is associated and dissociated with a thread.
KeyEvent.Callback
LayoutInflater.Factory
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.OnMenuItemClickListener	Interface definition for a callback to be invoked when a menu item is clicked.
ScaleGestureDetector.OnScaleGestureListener	The listener for receiving notifications when gestures occur.
SubMenu	Subclass of Menu for sub menus.
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 SurfaceHolder.Callback.
View.AttachInfo.Callbacks
View.OnClickListener	Interface definition for a callback to be invoked when a view is clicked.
View.OnCreateContextMenuListener	Interface definition for a callback to be invoked when the context menu for this view is being built.
View.OnFocusChangeListener	Interface definition for a callback to be invoked when the focus state of a view changed.
View.OnKeyListener	Interface definition for a callback to be invoked when a key event is dispatched to this view.
View.OnLongClickListener	Interface definition for a callback to be invoked when a view has been clicked and held.
View.OnTouchListener	Interface definition for a callback to be invoked when a touch event is dispatched to this view.
ViewDebug.ViewOperation<T>
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.OnComputeInternalInsetsListener	Interface definition for a callback to be invoked when layout has completed and the client can compute its interior insets.
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.
Window.Callback	API from a Window back to its caller.
WindowManager	The interface that apps use to talk to the window manager.
WindowManagerPolicy	This interface supplies all UI-specific behavior of the window manager.
WindowManagerPolicy.OnKeyguardExitResult	Callback used by WindowManagerPolicy.exitKeyguardSecurely(android.view.WindowManagerPolicy.OnKeyguardExitResult)
WindowManagerPolicy.WindowState	Interface to the Window Manager state associated with a particular window.

Class Summary

AbsSavedState	A Parcelable implementation that should be used by inheritance hierarchies to ensure the state of all classes along the chain is saved.
ContextThemeWrapper	A ContextWrapper that allows you to modify the theme from what is in the wrapped context.
Display
FocusFinder	The algorithm used for finding the next focusable view in a given direction from a view that currently has focus.
FocusFinderHelper	A helper class that allows unit tests to access FocusFinder methods.
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)
InputChannel	An input channel specifies the file descriptors used to send input events to a window in another process.
InputDevice	Describes the capabilities of a particular input device.
InputDevice.MotionRange	Provides information about the range of values for a particular MotionEvent coordinate.
InputEvent	Common base class for input events.
InputQueue	An input queue provides a mechanism for an application to receive incoming input events.
KeyCharacterMap	Describes the keys provided by a device and their associated labels.
KeyCharacterMap.KeyData
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	This class is used to instantiate 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.
OrientationEventListener	Helper class for receiving notifications from the SensorManager when the orientation of the device has changed.
OrientationListener	Deprecated. use OrientationEventListener instead.
ScaleGestureDetector	Detects transformation gestures involving more than one pointer ("multitouch") using the supplied MotionEvents.
ScaleGestureDetector.SimpleOnScaleGestureListener	A convenience class to extend when you only want to listen for a subset of scaling-related events.
SoundEffectConstants	Constants to be used to play sound effects via View.playSoundEffect(int)
Surface	Handle on to a raw buffer that is being managed by the screen compositor.
SurfaceSession	An instance of this class represents a connection to the surface flinger, in which you can create one or more Surface instances that will be composited to the screen.
SurfaceView	Provides a dedicated drawing surface embedded inside of a view hierarchy.
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 touch events, for implementing flinging and other such gestures.
View	This class represents the basic building block for user interface components.
View.AttachInfo	A set of information given to a view when it is attached to its parent window.
View.AttachInfo.InvalidateInfo	InvalidateInfo is used to post invalidate(int, int, int, int) messages to a Handler.
View.BaseSavedState	Base class for derived classes that want to save and restore their own state in View.onSaveInstanceState().
View.MeasureSpec	A MeasureSpec encapsulates the layout requirements passed from parent to child.
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.
ViewRoot	The top of a view hierarchy, implementing the needed protocol between View and the WindowManager.
ViewRoot.InputMethodCallback
ViewRoot.RunQueue
ViewRoot.TrackballAxis	Maintains state information for a single trackball axis, generating discrete (DPAD) movements based on raw trackball motion.
ViewRoot.W
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.
ViewTreeObserver.InternalInsetsInfo	Parameters used with OnComputeInternalInsetsListener.
VolumePanel	Handle the volume up and down keys.
Window	Abstract base class for a top-level window look and behavior policy.
WindowManager.LayoutParams
WindowManagerImpl	Low-level communication with the global system window manager.
WindowOrientationListener	A special helper class used by the WindowManager for receiving notifications from the SensorManager when the orientation of the device has changed.
WindowOrientationListener.SensorEventListenerImpl	This class filters the raw accelerometer data and tries to detect actual changes in orientation.

Enum Summary

ViewDebug.HierarchyTraceType	Defines the type of hierarhcy trace to output to the hierarchy traces file.
ViewDebug.MotionEventTraceType	Defines the type of motion events trace to output to the motion events traces file.
ViewDebug.RecyclerTraceType	Defines the type of recycler trace to output to the recycler traces file.

Exception Summary

InflateException	This exception is thrown by an inflater on error conditions.
Surface.OutOfResourcesException	Exception thrown when a surface couldn't be created or resized
SurfaceHolder.BadSurfaceTypeException	Exception that is thrown from SurfaceHolder.lockCanvas() when called on a Surface whose is SURFACE_TYPE_PUSH_BUFFERS.
ViewRoot.CalledFromWrongThreadException
WindowLeaked
WindowManager.BadTokenException	Exception that is thrown when trying to add view whose WindowManager.LayoutParams WindowManager.LayoutParams.token is invalid.

Annotation Types Summary

RemotableViewMethod
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 an flag to a String.
ViewDebug.IntToString	Defines a mapping from an int value to a String.

Package android.view Description

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