net.rim.device.api.ui
Class AccessibleEventDispatcher

java.lang.Object
  net.rim.device.api.ui.AccessibleEventDispatcher

public class AccessibleEventDispatcher
extends Object

Accessible event dispatcher.

Since:

BlackBerry API 4.6.1

Method Summary
static boolean	dispatchAccessibleEvent(int event, Object oldValue, Object newValue, AccessibleContext context) Invoke to send accessibility event to accessibility listener.
static boolean	isAssistiveTechnologyEnabled() Returns whether an assistive technology is currently enabled.

Methods inherited from class java.lang.Object

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

Method Detail

dispatchAccessibleEvent

public static boolean dispatchAccessibleEvent(int event,
                                              Object oldValue,
                                              Object newValue,
                                              AccessibleContext context)

Invoke to send accessibility event to accessibility listener.

Parameters:

event - - type of event (TEXT_CHANGED, STATE_CHANGED etc)

oldValue - - old value of the field that changed - may be null

newValue - - new value of the field that changed - may be null

context - - field that changed

Returns:

true if there is an accessibility listener and event is sent, false otherwise

Since:

BlackBerry API 4.6.1

isAssistiveTechnologyEnabled

public static boolean isAssistiveTechnologyEnabled()

Returns whether an assistive technology is currently enabled. This method may be used to skip heavy computations before firing an accessible event through AccessibleEventDispatcher.dispatchAccessibleEvent(int, Object, Object, AccessibleContext) method call.

Returns:

true assistive technology is enabled, false otherwise

Since:

BlackBerry API 4.6.1