程序包 ohos.accessibility

类 AccessibilityStateEvent

java.lang.Object

ohos.accessibility.AccessibilityStateEvent

public class AccessibilityStateEvent
extends Object

Provides accessibility status events.

If you have registered a status change observer, it will receive an event when the accessibility status has changed. Then you can process the event based on the result in the callback.

For example, you can determine the accessibility status based on the event type in AccessibilityStateEvent#EVENT_ACCESSIBILITY_STATE_CHANGED.

从以下版本开始:

1

另请参阅:

AccessibilitySystemAbilityClient.subscribeStateObserver(AccessibilityStateObserver, int), AccessibilityStateObserver.onStateChanged(AccessibilityStateEvent)

SystemCapability

SystemCapability.Accessibility#ABILITY

字段概要

字段

限定符和类型	字段	说明
static int	EVENT_ACCESSIBILITY_STATE_CHANGED	Describes the type of the accessibility status event.
static int	EVENT_TOUCH_BROWSE_STATE_CHANGED	Describes the type of the touch exploration status event.

构造器概要

构造器

构造器	说明
AccessibilityStateEvent()

方法概要

限定符和类型	方法	说明
String	getEventMsg()	Obtains the status event description.
int	getEventResult()	Obtains the status event result.
int	getEventType()	Obtains the status event type.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

EVENT_ACCESSIBILITY_STATE_CHANGED

public static final int EVENT_ACCESSIBILITY_STATE_CHANGED

Describes the type of the accessibility status event.

另请参阅:

常量字段值

EVENT_TOUCH_BROWSE_STATE_CHANGED

public static final int EVENT_TOUCH_BROWSE_STATE_CHANGED

Describes the type of the touch exploration status event.

另请参阅:

常量字段值

构造器详细资料

AccessibilityStateEvent

public AccessibilityStateEvent()

方法详细资料

getEventType

public int getEventType()

Obtains the status event type.

返回:

Returns the status event type.

另请参阅:

EVENT_ACCESSIBILITY_STATE_CHANGED, EVENT_TOUCH_BROWSE_STATE_CHANGED

getEventResult

public int getEventResult()

Obtains the status event result.

返回:

Returns 0 if the status event is enabled; returns 1 otherwise.

getEventMsg

public String getEventMsg()

Obtains the status event description.

返回:

Returns the status event description.