| AlwaysOnHotwordDetector | A class that lets a VoiceInteractionService implementation interact with always-on keyphrase detection APIs. |
| AlwaysOnHotwordDetector.Callback | Callbacks for always-on hotword detection. |
| AlwaysOnHotwordDetector.EventPayload |
Additional payload for onDetected(AlwaysOnHotwordDetector.EventPayload).
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| VoiceInteractionService | Top-level service of the current global voice interactor, which is providing support for hotwording etc. |
| VoiceInteractionSession |
An active interaction session, started by a VoiceInteractionService.
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| VoiceInteractionSessionService |
An active voice interaction session, initiated by a VoiceInteractionService.
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