# AccessibilityManager.AccessibilityStateChangeListener

Added in[API level 14](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)

# AccessibilityStateChangeListener

*** ** * ** ***

Kotlin\|[Java](https://developer.android.com/reference/android/view/accessibility/AccessibilityManager.AccessibilityStateChangeListener "View this page in Java")  

```
interface AccessibilityStateChangeListener
```

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [android.view.accessibility.AccessibilityManager.AccessibilityStateChangeListener](https://developer.android.com/reference/kotlin/android/view/accessibility/AccessibilityManager.AccessibilityStateChangeListener#) |

Listener for the system accessibility state. To listen for changes to the accessibility state on the device, implement this interface and register it with the system by calling #addAccessibilityStateChangeListener.

## Summary

|                                                                                                                                                                                                                      Public methods                                                                                                                                                                                                                      ||
|--------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| abstract[Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [onAccessibilityStateChanged](https://developer.android.com/reference/kotlin/android/view/accessibility/AccessibilityManager.AccessibilityStateChangeListener#onAccessibilityStateChanged(kotlin.Boolean))`(`enabled:` `[Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)`)` Called when the accessibility enabled state changes. |

## Public methods

### onAccessibilityStateChanged

Added in[API level 14](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
abstract fun onAccessibilityStateChanged(enabled: Boolean): Unit
```

Called when the accessibility enabled state changes.

|                                                           Parameters                                                            ||
|-----------|----------------------------------------------------------------------------------------------------------------------|
| `enabled` | [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html):Whether accessibility is enabled. |