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DeviceLockedStateListener
@FunctionalInterface interface DeviceLockedStateListener
Listener for device locked state changes.
Summary
| Public methods |
| abstract Unit |
Callback function that executes when the device locked state changes.
|
Public methods
onDeviceLockedStateChanged
abstract fun onDeviceLockedStateChanged(isDeviceLocked: Boolean): Unit
Callback function that executes when the device locked state changes.
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Last updated 2025-08-20 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-20 UTC."],[],[],null,["# KeyguardManager.DeviceLockedStateListener\n\nAdded in [API level Baklava](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nDeviceLockedStateListener\n=========================\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/android/app/KeyguardManager.DeviceLockedStateListener \"View this page in Java\") \n\n```\n@FunctionalInterface interface DeviceLockedStateListener\n```\n\n|------------------------------------------------------------|\n| [android.app.KeyguardManager.DeviceLockedStateListener](#) |\n\nListener for device locked state changes.\n\nSummary\n-------\n\n| Public methods ||\n|---------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [onDeviceLockedStateChanged](#onDeviceLockedStateChanged(kotlin.Boolean))`(`isDeviceLocked:` `[Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)`)` Callback function that executes when the device locked state changes. |\n\nPublic methods\n--------------\n\n### onDeviceLockedStateChanged\n\nAdded in [API level Baklava](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nabstract fun onDeviceLockedStateChanged(isDeviceLocked: Boolean): Unit\n```\n\nCallback function that executes when the device locked state changes."]]
