AlwaysOnHotwordDetector.Callback

extends Object

java.lang.Object
↳	android.service.voice.AlwaysOnHotwordDetector.Callback

Class Overview

Callbacks for always-on hotword detection.

Summary

Public Constructors
	AlwaysOnHotwordDetector.Callback()

Public Methods
abstract void	onAvailabilityChanged(int status) Called when the hotword availability changes.
abstract void	onDetected(AlwaysOnHotwordDetector.EventPayload eventPayload) Called when the keyphrase is spoken.
abstract void	onError() Called when the detection fails due to an error.
abstract void	onRecognitionPaused() Called when the recognition is paused temporarily for some reason.
abstract void	onRecognitionResumed() Called when the recognition is resumed after it was temporarily paused.

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Inherited Methods

From class java.lang.Object

Object	clone() Creates and returns a copy of this `Object`.
boolean	equals(Object o) Compares this instance with the specified object and indicates if they are equal.
void	finalize() Invoked when the garbage collector has detected that this instance is no longer reachable.
final Class<?>	getClass() Returns the unique instance of `Class` that represents this object's class.
int	hashCode() Returns an integer hash code for this object.
final void	notify() Causes a thread which is waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
final void	notifyAll() Causes all threads which are waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
String	toString() Returns a string containing a concise, human-readable description of this object.
final void	wait() Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object.
final void	wait(long millis, int nanos) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.
final void	wait(long millis) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.

Public Constructors

public AlwaysOnHotwordDetector.Callback ()

Added in API level 21

Public Methods

public abstract void onAvailabilityChanged (int status)

Added in API level 21

Called when the hotword availability changes. This indicates a change in the availability of recognition for the given keyphrase. It's called at least once with the initial availability.

Availability implies whether the hardware on this system is capable of listening for the given keyphrase or not.

public abstract void onDetected (AlwaysOnHotwordDetector.EventPayload eventPayload)

Added in API level 21

Called when the keyphrase is spoken. This implicitly stops listening for the keyphrase once it's detected. Clients should start a recognition again once they are done handling this detection.

Parameters

eventPayload	Payload data for the detection event. This may contain the trigger audio, if requested when calling `startRecognition(int)`.

public abstract void onError ()

Added in API level 21

Called when the detection fails due to an error.

public abstract void onRecognitionPaused ()

Added in API level 21

Called when the recognition is paused temporarily for some reason. This is an informational callback, and the clients shouldn't be doing anything here except showing an indication on their UI if they have to.

public abstract void onRecognitionResumed ()

Added in API level 21

Called when the recognition is resumed after it was temporarily paused. This is an informational callback, and the clients shouldn't be doing anything here except showing an indication on their UI if they have to.

Results

Classes

AlwaysOnHotwordDetector.Callback

Class Overview

Summary

Public Constructors

public AlwaysOnHotwordDetector.Callback ()

Public Methods

public abstract void onAvailabilityChanged (int status)

See Also

public abstract void onDetected (AlwaysOnHotwordDetector.EventPayload eventPayload)

Parameters

public abstract void onError ()

public abstract void onRecognitionPaused ()

public abstract void onRecognitionResumed ()