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AutoFocusMoveCallback
interface AutoFocusMoveCallback
Callback interface used to notify on auto focus start and stop.
This is only supported in continuous autofocus modes -- android.hardware.Camera.Parameters#FOCUS_MODE_CONTINUOUS_VIDEO and android.hardware.Camera.Parameters#FOCUS_MODE_CONTINUOUS_PICTURE. Applications can show autofocus animation based on this.
Summary
| Public methods |
| abstract Unit |
Called when the camera auto focus starts or stops.
|
Public methods
onAutoFocusMoving
abstract fun onAutoFocusMoving(
start: Boolean,
camera: Camera!
): Unit
Deprecated: Deprecated in Java.
Called when the camera auto focus starts or stops.
| Parameters |
start |
Boolean: true if focus starts to move, false if focus stops to move |
camera |
Camera!: the Camera service object |
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Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# Camera.AutoFocusMoveCallback\n\nAdded in [API level 16](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \nDeprecated in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nAutoFocusMoveCallback\n=====================\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/android/hardware/Camera.AutoFocusMoveCallback \"View this page in Java\") \n\n```\ninterface AutoFocusMoveCallback\n```\n\n|----------------------------------------------------|\n| [android.hardware.Camera.AutoFocusMoveCallback](#) |\n\n*** ** * ** ***\n\n| **This interface was deprecated in API level 21.**\n|\n| We recommend using the new [android.hardware.camera2](/reference/kotlin/android/hardware/camera2/package-summary) API for new applications.\n\nCallback interface used to notify on auto focus start and stop.\n\nThis is only supported in continuous autofocus modes -- [android.hardware.Camera.Parameters#FOCUS_MODE_CONTINUOUS_VIDEO](/reference/kotlin/android/hardware/Camera.Parameters#FOCUS_MODE_CONTINUOUS_VIDEO:kotlin.String) and [android.hardware.Camera.Parameters#FOCUS_MODE_CONTINUOUS_PICTURE](/reference/kotlin/android/hardware/Camera.Parameters#FOCUS_MODE_CONTINUOUS_PICTURE:kotlin.String). Applications can show autofocus animation based on this.\n\nSummary\n-------\n\n| Public methods ||\n|---------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [onAutoFocusMoving](#onAutoFocusMoving(kotlin.Boolean,%20android.hardware.Camera))`(`start:` `[Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)`, `camera:` `[Camera](/reference/kotlin/android/hardware/Camera)!`)` Called when the camera auto focus starts or stops. |\n\nPublic methods\n--------------\n\n### onAutoFocusMoving\n\nAdded in [API level 16](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nabstract fun onAutoFocusMoving(\n start: Boolean, \n camera: Camera!\n): Unit\n```\n\n**Deprecated:** *Deprecated in Java.*\n\nCalled when the camera auto focus starts or stops.\n\n| Parameters ||\n|----------|------------------------------------------------------------------------------------------------------------------------------------------------|\n| `start` | [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html): true if focus starts to move, false if focus stops to move |\n| `camera` | [Camera](/reference/kotlin/android/hardware/Camera)!: the Camera service object |"]]
