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OnJankDataListener
interface OnJankDataListener
Listener interface to be informed about SurfaceFlinger's jank classification for a specific surface.
Summary
| Public methods |
| abstract Unit |
Called when new jank classifications are available.
|
Public methods
onJankDataAvailable
abstract fun onJankDataAvailable(jankData: MutableList<SurfaceControl.JankData!>): Unit
Called when new jank classifications are available. The listener is invoked out of band of the rendered frames with jank classification data for a batch of frames.
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Last updated 2025-03-13 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-13 UTC."],[],[],null,["# SurfaceControl.OnJankDataListener\n\nAdded in [API level 36](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nOnJankDataListener\n==================\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/android/view/SurfaceControl.OnJankDataListener \"View this page in Java\") \n\n```\ninterface OnJankDataListener\n```\n\n|-----------------------------------------------------|\n| [android.view.SurfaceControl.OnJankDataListener](#) |\n\nListener interface to be informed about SurfaceFlinger's jank classification for a specific surface.\n\nSummary\n-------\n\n| Public methods ||\n|---------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [onJankDataAvailable](#onJankDataAvailable(kotlin.collections.MutableList))`(`jankData:` `[MutableList](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-list/index.html)\u003c[SurfaceControl.JankData](/reference/kotlin/android/view/SurfaceControl.JankData)!\u003e`)` Called when new jank classifications are available. |\n\nPublic methods\n--------------\n\n### onJankDataAvailable\n\nAdded in [API level 36](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nabstract fun onJankDataAvailable(jankData: MutableList\u003cSurfaceControl.JankData!\u003e): Unit\n```\n\nCalled when new jank classifications are available. The listener is invoked out of band of the rendered frames with jank classification data for a batch of frames.\n\n| Parameters ||\n|------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `jankData` | [MutableList](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-list/index.html)\\\u003c[SurfaceControl.JankData](/reference/kotlin/android/view/SurfaceControl.JankData)!\\\u003e: This value cannot be `null`. |"]]
