AccessibilityEventSource

android.view.accessibility.AccessibilityEventSource

Known Indirect Subclasses

AbsListView, AbsSeekBar, AbsSpinner, AbsoluteLayout, AdapterView<T extends Adapter>, AdapterViewAnimator, AdapterViewFlipper, AnalogClock, AppWidgetHostView, AutoCompleteTextView, Button, CalendarView, CheckBox, and 67 others.

AbsListView	Base class that can be used to implement virtualized lists of items.
AbsSeekBar
AbsSpinner	An abstract base class for spinner widgets.
AbsoluteLayout	This class was deprecated in API level 3. Use `FrameLayout`, `RelativeLayout` or a custom layout instead.
AdapterView<T extends Adapter>	An AdapterView is a view whose children are determined by an `Adapter`.
AdapterViewAnimator	Base class for a `AdapterView` that will perform animations when switching between its views.
AdapterViewFlipper	Simple `ViewAnimator` that will animate between two or more views that have been added to it.
AnalogClock	This widget display an analogic clock with two hands for hours and minutes.
AppWidgetHostView	Provides the glue to show AppWidget views.
AutoCompleteTextView	An editable text view that shows completion suggestions automatically while the user is typing.
Button	Represents a push-button widget.
CalendarView	This class is a calendar widget for displaying and selecting dates.
CheckBox	A checkbox is a specific type of two-states button that can be either checked or unchecked.
CheckedTextView	An extension to TextView that supports the `Checkable` interface.
Chronometer	Class that implements a simple timer.
CompoundButton	A button with two states, checked and unchecked.
DatePicker	This class is a widget for selecting a date.
DialerFilter
DigitalClock	This class was deprecated in API level 17. It is recommended you use `TextClock` instead.
EditText	EditText is a thin veneer over TextView that configures itself to be editable.
ExpandableListView	A view that shows items in a vertically scrolling two-level list.
ExtractEditText	Specialization of `EditText` for showing and interacting with the extracted text in a full-screen input method.
FragmentBreadCrumbs	Helper class for showing "bread crumbs" representing the fragment stack in an activity.
FragmentTabHost	Special TabHost that allows the use of `Fragment` objects for its tab content.
FrameLayout	FrameLayout is designed to block out an area on the screen to display a single item.
GLSurfaceView	An implementation of SurfaceView that uses the dedicated surface for displaying OpenGL rendering.
Gallery	This class was deprecated in API level 16. This widget is no longer supported. Other horizontally scrolling widgets include `HorizontalScrollView` and `ViewPager` from the support library.
GestureOverlayView	A transparent overlay for gesture input that can be placed on top of other widgets or contain other widgets.
GridLayout	A layout that places its children in a rectangular grid.
GridView	A view that shows items in two-dimensional scrolling grid.
HorizontalScrollView	Layout container for a view hierarchy that can be scrolled by the user, allowing it to be larger than the physical display.
ImageButton	Displays a button with an image (instead of text) that can be pressed or clicked by the user.
ImageSwitcher
ImageView	Displays an arbitrary image, such as an icon.
KeyboardView	A view that renders a virtual `Keyboard`.
LinearLayout	A Layout that arranges its children in a single column or a single row.
ListView	A view that shows items in a vertically scrolling list.
MediaController	A view containing controls for a MediaPlayer.
MediaRouteButton
MultiAutoCompleteTextView	An editable text view, extending `AutoCompleteTextView`, that can show completion suggestions for the substring of the text where the user is typing instead of necessarily for the entire thing.
NumberPicker	A widget that enables the user to select a number form a predefined range.
PagerTabStrip	PagerTabStrip is an interactive indicator of the current, next, and previous pages of a `ViewPager`.
PagerTitleStrip	PagerTitleStrip is a non-interactive indicator of the current, next, and previous pages of a `ViewPager`.
ProgressBar	Visual indicator of progress in some operation.
QuickContactBadge	Widget used to show an image with the standard QuickContact badge and on-click behavior.
RSSurfaceView	This class was deprecated in API level 16. in API 16 The Surface View for a graphics renderscript (RenderScriptGL) to draw on. Developer Guides For more information about creating an application that uses Renderscript, read the Renderscript developer guide.
RSTextureView	This class was deprecated in API level 16. in API 16 The Texture View for a graphics renderscript (RenderScriptGL) to draw on.
RadioButton	A radio button is a two-states button that can be either checked or unchecked.
RadioGroup	This class is used to create a multiple-exclusion scope for a set of radio buttons.
RatingBar	A RatingBar is an extension of SeekBar and ProgressBar that shows a rating in stars.
RelativeLayout	A Layout where the positions of the children can be described in relation to each other or to the parent.
ScrollView	Layout container for a view hierarchy that can be scrolled by the user, allowing it to be larger than the physical display.
SearchView	A widget that provides a user interface for the user to enter a search query and submit a request to a search provider.
SeekBar	A SeekBar is an extension of ProgressBar that adds a draggable thumb.
SlidingDrawer	This class was deprecated in API level 17. This class is not supported anymore. It is recommended you base your own implementation on the source code for the Android Open Source Project if you must use it in your application.
Space	Space is a lightweight View subclass that may be used to create gaps between components in general purpose layouts.
Spinner	A view that displays one child at a time and lets the user pick among them.
StackView
SurfaceView	Provides a dedicated drawing surface embedded inside of a view hierarchy.
Switch	A Switch is a two-state toggle switch widget that can select between two options.
TabHost	Container for a tabbed window view.
TabWidget	Displays a list of tab labels representing each page in the parent's tab collection.
TableLayout	A layout that arranges its children into rows and columns.
TableRow	A layout that arranges its children horizontally.
TextClock	`TextClock` can display the current date and/or time as a formatted string.
TextSwitcher	Specialized `ViewSwitcher` that contains only children of type `TextView`.
TextView	Displays text to the user and optionally allows them to edit it.
TextureView	A TextureView can be used to display a content stream.
TimePicker	A view for selecting the time of day, in either 24 hour or AM/PM mode.
ToggleButton	Displays checked/unchecked states as a button with a "light" indicator and by default accompanied with the text "ON" or "OFF".
TwoLineListItem	This class was deprecated in API level 17. This class can be implemented easily by apps using a `RelativeLayout` or a `LinearLayout`.
VideoView	Displays a video file.
View	This class represents the basic building block for user interface components.
ViewAnimator	Base class for a `FrameLayout` container that will perform animations when switching between its views.
ViewFlipper	Simple `ViewAnimator` that will animate between two or more views that have been added to it.
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.
ViewPager	Layout manager that allows the user to flip left and right through pages of data.
ViewStub	A ViewStub is an invisible, zero-sized View that can be used to lazily inflate layout resources at runtime.
ViewSwitcher	`ViewAnimator` that switches between two views, and has a factory from which these views are created.
WebView	A View that displays web pages.
ZoomButton
ZoomControls	The `ZoomControls` class displays a simple set of controls used for zooming and provides callbacks to register for events.

Class Overview

This interface is implemented by classes source of AccessibilityEvents.

Developer Guides

For more information about making applications accessible, read the Accessibility developer guide.

Summary

Public Methods
? Examples	abstract void	sendAccessibilityEvent(int eventType) Handles the request for sending an `AccessibilityEvent` given the event type.
? Examples	abstract void	sendAccessibilityEventUnchecked( AccessibilityEvent event) Handles the request for sending an `AccessibilityEvent`.

Public Methods

public abstract void sendAccessibilityEvent (int eventType)

Added in API level 4

Handles the request for sending an AccessibilityEvent given the event type. The method must first check if accessibility is on via calling AccessibilityManager.isEnabled(), obtain an AccessibilityEvent from the event pool through calling AccessibilityEvent.obtain(int), populate the event, and send it for dispatch via calling AccessibilityManager.sendAccessibilityEvent(AccessibilityEvent).

Parameters

eventType	The event type.

public abstract void sendAccessibilityEventUnchecked (AccessibilityEvent event)

Added in API level 4

Handles the request for sending an AccessibilityEvent. The method does not guarantee to check if accessibility is on before sending the event for dispatch. It is responsibility of the caller to do the check via calling AccessibilityManager.isEnabled().

Parameters

event	The event.

Results

Interfaces

Classes

AccessibilityEventSource

Developer Guides

Class Overview

Developer Guides

Summary

Public Methods

public abstract void sendAccessibilityEvent (int eventType)

Parameters

See Also

public abstract void sendAccessibilityEventUnchecked (AccessibilityEvent event)

Parameters

See Also