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public
static
abstract
class
AccessibilityButtonController.AccessibilityButtonCallback
extends Object
java.lang.Object | |
↳ | android.accessibilityservice.AccessibilityButtonController.AccessibilityButtonCallback |
Callback for interaction with and changes to state of the accessibility button within the system's navigation area.
Public constructors | |
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AccessibilityButtonCallback()
|
Public methods | |
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void
|
onAvailabilityChanged(AccessibilityButtonController controller, boolean available)
Called when the availability of the accessibility button in the system's navigation area has changed. |
void
|
onClicked(AccessibilityButtonController controller)
Called when the accessibility button in the system's navigation area is clicked. |
Inherited methods | |
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public AccessibilityButtonCallback ()
public void onAvailabilityChanged (AccessibilityButtonController controller, boolean available)
Called when the availability of the accessibility button in the system's navigation area has changed. The accessibility button may become unavailable because the device shopped showing the button, the button was assigned to another service, or for other reasons.
Parameters | |
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controller |
AccessibilityButtonController : the controller used to register for this callback |
available |
boolean : true if the accessibility button is available to this
service, false otherwise |
public void onClicked (AccessibilityButtonController controller)
Called when the accessibility button in the system's navigation area is clicked.
Parameters | |
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controller |
AccessibilityButtonController : the controller used to register for this callback |