java.lang.Object | |
↳ | android.support.v4.view.AccessibilityDelegateCompat |
Known Direct Subclasses |
Helper for accessing View.AccessibilityDelegate
introduced after
API level 4 in a backwards compatible fashion.
Public Constructors | |||||||||||
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Creates a new instance.
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Public Methods | |||||||||||
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Dispatches an
AccessibilityEvent to the host View first and then
to its children for adding their text content to the event. | |||||||||||
Gets the provider for managing a virtual view hierarchy rooted at this View
and reported to
AccessibilityService s
that explore the window content. | |||||||||||
Initializes an
AccessibilityEvent with information about the
the host View which is the event source. | |||||||||||
Initializes an
AccessibilityNodeInfoCompat with information about the host view. | |||||||||||
Gives a chance to the host View to populate the accessibility event with its
text content.
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Called when a child of the host View has requested sending an
AccessibilityEvent and gives an opportunity to the parent (the host)
to augment the event. | |||||||||||
Performs the specified accessibility action on the view.
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Sends an accessibility event of the given type.
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Sends an accessibility event.
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Inherited Methods | |||||||||||
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From class
java.lang.Object
|
Creates a new instance.
Dispatches an AccessibilityEvent
to the host View
first and then
to its children for adding their text content to the event.
The default implementation behaves as
View#dispatchPopulateAccessibilityEvent(AccessibilityEvent)
for
the case of no accessibility delegate been set.
host | The View hosting the delegate. |
---|---|
event | The event. |
Gets the provider for managing a virtual view hierarchy rooted at this View
and reported to AccessibilityService
s
that explore the window content.
The default implementation behaves as
ViewCompat#getAccessibilityNodeProvider(View)
for the case of no accessibility delegate been set.
Initializes an AccessibilityEvent
with information about the
the host View which is the event source.
The default implementation behaves as
ViewCompat#onInitalizeAccessibilityEvent(View v, AccessibilityEvent event)
for
the case of no accessibility delegate been set.
host | The View hosting the delegate. |
---|---|
event | The event to initialize. |
Initializes an AccessibilityNodeInfoCompat
with information about the host view.
The default implementation behaves as
ViewCompat#onInitializeAccessibilityNodeInfo(View, AccessibilityNodeInfoCompat)
for
the case of no accessibility delegate been set.
host | The View hosting the delegate. |
---|---|
info | The instance to initialize. |
Gives a chance to the host View to populate the accessibility event with its text content.
The default implementation behaves as
ViewCompat#onPopulateAccessibilityEvent(AccessibilityEvent)
for
the case of no accessibility delegate been set.
host | The View hosting the delegate. |
---|---|
event | The accessibility event which to populate. |
Called when a child of the host View has requested sending an
AccessibilityEvent
and gives an opportunity to the parent (the host)
to augment the event.
The default implementation behaves as
ViewGroupCompat#onRequestSendAccessibilityEvent(ViewGroup, View, AccessibilityEvent)
for
the case of no accessibility delegate been set.
host | The View hosting the delegate. |
---|---|
child | The child which requests sending the event. |
event | The event to be sent. |
Performs the specified accessibility action on the view. For
possible accessibility actions look at AccessibilityNodeInfoCompat
.
The default implementation behaves as
View#performAccessibilityAction(int, Bundle)
for the case of
no accessibility delegate been set.
action | The action to perform. |
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Sends an accessibility event of the given type. If accessibility is not enabled this method has no effect.
The default implementation behaves as View#sendAccessibilityEvent(int)
for the case of no accessibility delegate
been set.
host | The View hosting the delegate. |
---|---|
eventType | The type of the event to send. |
Sends an accessibility event. This method behaves exactly as
sendAccessibilityEvent(View, int)
but takes as an argument an
empty AccessibilityEvent
and does not perform a check whether
accessibility is enabled.
The default implementation behaves as
View#sendAccessibilityEventUnchecked(AccessibilityEvent)
for
the case of no accessibility delegate been set.
host | The View hosting the delegate. |
---|---|
event | The event to send. |