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Callback
interface Callback
callbacks allow services to receive motion events and state change updates.
Summary
| Public methods |
| abstract Unit |
Called when the framework has sent a motion event to the service.
|
| abstract Unit |
Called when the state of motion event dispatch for this display has changed.
|
Public methods
onMotionEvent
abstract fun onMotionEvent(event: MotionEvent): Unit
Called when the framework has sent a motion event to the service.
| Parameters |
event |
MotionEvent: the event being passed to the service. This value cannot be null. |
onStateChanged
abstract fun onStateChanged(state: Int): Unit
Called when the state of motion event dispatch for this display has changed.
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Last updated 2025-02-10 UTC.
[null,null,["Last updated 2025-02-10 UTC."],[],[],null,["# TouchInteractionController.Callback\n\nAdded in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nCallback\n========\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/android/accessibilityservice/TouchInteractionController.Callback \"View this page in Java\") \n\n```\ninterface Callback\n```\n\n|-----------------------------------------------------------------------|\n| [android.accessibilityservice.TouchInteractionController.Callback](#) |\n\ncallbacks allow services to receive motion events and state change updates.\n\nSummary\n-------\n\n| Public methods ||\n|---------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [onMotionEvent](#onMotionEvent(android.view.MotionEvent))`(`event:` `[MotionEvent](../view/MotionEvent.html#)`)` Called when the framework has sent a motion event to the service. |\n| abstract [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [onStateChanged](#onStateChanged(kotlin.Int))`(`state:` `[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html)`)` Called when the state of motion event dispatch for this display has changed. |\n\nPublic methods\n--------------\n\n### onMotionEvent\n\nAdded in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nabstract fun onMotionEvent(event: MotionEvent): Unit\n```\n\nCalled when the framework has sent a motion event to the service.\n\n| Parameters ||\n|---------|---------------------------------------------------------------------------------------------------------------|\n| `event` | [MotionEvent](../view/MotionEvent.html#): the event being passed to the service. This value cannot be `null`. |\n\n### onStateChanged\n\nAdded in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nabstract fun onStateChanged(state: Int): Unit\n```\n\nCalled when the state of motion event dispatch for this display has changed.\n\n| Parameters ||\n|---------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `state` | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html): the new state of motion event dispatch. Value is [android.accessibilityservice.TouchInteractionController#STATE_CLEAR](/reference/kotlin/android/accessibilityservice/TouchInteractionController#STATE_CLEAR:kotlin.Int), [android.accessibilityservice.TouchInteractionController#STATE_TOUCH_INTERACTING](/reference/kotlin/android/accessibilityservice/TouchInteractionController#STATE_TOUCH_INTERACTING:kotlin.Int), [android.accessibilityservice.TouchInteractionController#STATE_TOUCH_EXPLORING](/reference/kotlin/android/accessibilityservice/TouchInteractionController#STATE_TOUCH_EXPLORING:kotlin.Int), [android.accessibilityservice.TouchInteractionController#STATE_DRAGGING](/reference/kotlin/android/accessibilityservice/TouchInteractionController#STATE_DRAGGING:kotlin.Int), or [android.accessibilityservice.TouchInteractionController#STATE_DELEGATING](/reference/kotlin/android/accessibilityservice/TouchInteractionController#STATE_DELEGATING:kotlin.Int) |\n\n**See Also**\n\n- [android.accessibilityservice.TouchInteractionController#STATE_CLEAR](/reference/kotlin/android/accessibilityservice/TouchInteractionController#STATE_CLEAR:kotlin.Int)\n- [android.accessibilityservice.TouchInteractionController#STATE_DELEGATING](/reference/kotlin/android/accessibilityservice/TouchInteractionController#STATE_DELEGATING:kotlin.Int)\n- [android.accessibilityservice.TouchInteractionController#STATE_DRAGGING](/reference/kotlin/android/accessibilityservice/TouchInteractionController#STATE_DRAGGING:kotlin.Int)\n- [android.accessibilityservice.TouchInteractionController#STATE_TOUCH_EXPLORING](/reference/kotlin/android/accessibilityservice/TouchInteractionController#STATE_TOUCH_EXPLORING:kotlin.Int)"]]
