OperationMonitor.OnChangeListener
interface OperationMonitor.OnChangeListener
Listen to changes in operation status. Authors should avoid changing the Adapter model while there are active operations.
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Last updated 2025-05-15 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-05-15 UTC."],[],[],null,["# OperationMonitor.OnChangeListener\n=================================\n\nArtifact: [androidx.recyclerview:recyclerview-selection](/jetpack/androidx/releases/recyclerview) \n[View Source](https://cs.android.com/search?q=file:androidx/recyclerview/selection/OperationMonitor.java+class:androidx.recyclerview.selection.OperationMonitor.OnChangeListener) \nAdded in [1.0.0](/jetpack/androidx/releases/recyclerview#1.0.0)\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/androidx/recyclerview/selection/OperationMonitor.OnChangeListener \"View this page in Java\")\n\n\n```\ninterface OperationMonitor.OnChangeListener\n```\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nListen to changes in operation status. Authors should avoid changing the Adapter model while there are active operations.\n\nSummary\n-------\n\n| ### Public functions |\n|-------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [onChanged](/reference/kotlin/androidx/recyclerview/selection/OperationMonitor.OnChangeListener#onChanged())`()` Called when operation status changes. |\n\nPublic functions\n----------------\n\n### onChanged\n\nAdded in [1.0.0](/jetpack/androidx/releases/recyclerview#1.0.0) \n\n```\nfun onChanged(): Unit\n```\n\nCalled when operation status changes. Call [isStarted](/reference/kotlin/androidx/recyclerview/selection/OperationMonitor#isStarted()) to determine the current status."]]