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AudioPlaybackCallback
abstract class AudioPlaybackCallback
Interface for receiving update notifications about the playback activity on the system. Extend this abstract class and register it with AudioManager.registerAudioPlaybackCallback(AudioPlaybackCallback, Handler) to be notified. Use AudioManager.getActivePlaybackConfigurations() to query the current configuration.
Summary
| Public methods |
| open Unit |
Called whenever the playback activity and configuration has changed.
|
Public constructors
AudioPlaybackCallback
AudioPlaybackCallback()
Public methods
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Last updated 2025-02-10 UTC.
[null,null,["Last updated 2025-02-10 UTC."],[],[],null,["# AudioManager.AudioPlaybackCallback\n\nAdded in [API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nAudioPlaybackCallback\n=====================\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/android/media/AudioManager.AudioPlaybackCallback \"View this page in Java\") \n\n```\nabstract class AudioPlaybackCallback\n```\n\n|---|-------------------------------------------------------|\n| [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html) ||\n| ↳ | [android.media.AudioManager.AudioPlaybackCallback](#) |\n\nInterface for receiving update notifications about the playback activity on the system. Extend this abstract class and register it with [AudioManager.registerAudioPlaybackCallback(AudioPlaybackCallback, Handler)](/reference/kotlin/android/media/AudioManager#registerAudioPlaybackCallback(android.media.AudioManager.AudioPlaybackCallback,%20android.os.Handler)) to be notified. Use [AudioManager.getActivePlaybackConfigurations()](/reference/kotlin/android/media/AudioManager#getActivePlaybackConfigurations()) to query the current configuration.\n\nSummary\n-------\n\n| Public constructors ||\n|--------------------------------------------------------------|---|\n| [AudioPlaybackCallback](#AudioPlaybackCallback())`()` \u003cbr /\u003e |\n\n| Public methods ||\n|-----------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| open [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [onPlaybackConfigChanged](#onPlaybackConfigChanged(kotlin.collections.MutableList))`(`configs:` `[MutableList](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-list/index.html)\u003c[AudioPlaybackConfiguration](/reference/kotlin/android/media/AudioPlaybackConfiguration)!\u003e!`)` Called whenever the playback activity and configuration has changed. |\n\nPublic constructors\n-------------------\n\n### AudioPlaybackCallback\n\n```\nAudioPlaybackCallback()\n```\n\nPublic methods\n--------------\n\n### onPlaybackConfigChanged\n\nAdded in [API level 26](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nopen fun onPlaybackConfigChanged(configs: MutableList\u003cAudioPlaybackConfiguration!\u003e!): Unit\n```\n\nCalled whenever the playback activity and configuration has changed.\n\n| Parameters ||\n|-----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `configs` | [MutableList](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-list/index.html)\\\u003c[AudioPlaybackConfiguration](/reference/kotlin/android/media/AudioPlaybackConfiguration)!\\\u003e!: list containing the results of [AudioManager.getActivePlaybackConfigurations()](/reference/kotlin/android/media/AudioManager#getActivePlaybackConfigurations()). |"]]
