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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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-13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,["# MediaSessionManager.OnSession2TokensChangedListener\n\nAdded in [API level 29](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\nMediaSessionManager.OnSession2TokensChangedListener\n===================================================\n\n*** ** * ** ***\n\n[Kotlin](/reference/kotlin/android/media/session/MediaSessionManager.OnSession2TokensChangedListener \"View this page in Kotlin\") \\|Java\n\n\n`\npublic\nstatic\n\n\ninterface\nMediaSessionManager.OnSession2TokensChangedListener\n`\n\n\n`\n\n\n`\n\n|---------------------------------------------------------------------------|\n| android.media.session.MediaSessionManager.OnSession2TokensChangedListener |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nListens for changes to the [MediaSessionManager.getSession2Tokens()](/reference/android/media/session/MediaSessionManager#getSession2Tokens()). This can be added\nusing [MediaSessionManager.addOnSession2TokensChangedListener(android.media.session.MediaSessionManager.OnSession2TokensChangedListener, android.os.Handler)](/reference/android/media/session/MediaSessionManager#addOnSession2TokensChangedListener(android.media.session.MediaSessionManager.OnSession2TokensChangedListener,%20android.os.Handler)).\n\n\nThis API is not generally intended for third party application developers. Apps wanting media\nsession functionality should use the\n[AndroidX Media3\nSession Library](/reference/androidx/media3/session/package-summary).\n\nSummary\n-------\n\n| ### Public methods ||\n|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ` abstract void` | ` `[onSession2TokensChanged](/reference/android/media/session/MediaSessionManager.OnSession2TokensChangedListener#onSession2TokensChanged(java.util.List\u003candroid.media.Session2Token\u003e))`(`[List](/reference/java/util/List)`\u003c`[Session2Token](/reference/android/media/Session2Token)`\u003e tokens) ` Called when the [MediaSessionManager.getSession2Tokens()](/reference/android/media/session/MediaSessionManager#getSession2Tokens()) is changed. |\n\nPublic methods\n--------------\n\n### onSession2TokensChanged\n\nAdded in [API level 29](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic abstract void onSession2TokensChanged (List\u003cSession2Token\u003e tokens)\n```\n\nCalled when the [MediaSessionManager.getSession2Tokens()](/reference/android/media/session/MediaSessionManager#getSession2Tokens()) is changed.\n\n\u003cbr /\u003e\n\n| Parameters ||\n|----------|-------------------------------------------------------------------------------------------------------------|\n| `tokens` | `List`: list of [Session2Token](/reference/android/media/Session2Token) This value cannot be `null`. \u003cbr /\u003e |"]]
