public
class
RecognitionService.Callback
extends Object
| java.lang.Object | |
| ↳ | android.speech.RecognitionService.Callback |
This class receives callbacks from the speech recognition service and forwards them to the
user. An instance of this class is passed to the
onStartListening(Intent, Callback) method. Recognizers may call
these methods on any thread.
Public methods | |
|---|---|
void
|
beginningOfSpeech()
The service should call this method when the user has started to speak. |
void
|
bufferReceived(byte[] buffer)
The service should call this method when sound has been received. |
void
|
endOfSpeech()
The service should call this method after the user stops speaking. |
void
|
error(int error)
The service should call this method when a network or recognition error occurred. |
int
|
getCallingUid()
Return the Linux uid assigned to the process that sent you the current transaction that is being processed. |
void
|
partialResults(Bundle partialResults)
The service should call this method when partial recognition results are available. |
void
|
readyForSpeech(Bundle params)
The service should call this method when the endpointer is ready for the user to start speaking. |
void
|
results(Bundle results)
The service should call this method when recognition results are ready. |
void
|
rmsChanged(float rmsdB)
The service should call this method when the sound level in the audio stream has changed. |
Inherited methods | |
|---|---|
 From
class
java.lang.Object
| |
void beginningOfSpeech ()
The service should call this method when the user has started to speak.
| Throws | |
|---|---|
RemoteException |
|
void bufferReceived (byte[] buffer)
The service should call this method when sound has been received. The purpose of this function is to allow giving feedback to the user regarding the captured audio.
| Parameters | |
|---|---|
buffer |
byte:
a buffer containing a sequence of big-endian 16-bit integers representing a
single channel audio stream. The sample rate is implementation dependent.
|
| Throws | |
|---|---|
RemoteException |
|
void endOfSpeech ()
The service should call this method after the user stops speaking.
| Throws | |
|---|---|
RemoteException |
|
void error (int error)
The service should call this method when a network or recognition error occurred.
| Parameters | |
|---|---|
error |
int:
code is defined in SpeechRecognizer
|
| Throws | |
|---|---|
RemoteException |
|
int getCallingUid ()
Return the Linux uid assigned to the process that sent you the current transaction that
is being processed. This is obtained from getCallingUid().
| Returns | |
|---|---|
int |
|
void partialResults (Bundle partialResults)
The service should call this method when partial recognition results are available. This
method can be called at any time between beginningOfSpeech() and
results(Bundle) when partial results are ready. This method may be called zero,
one or multiple times for each call to startListening(Intent),
depending on the speech recognition service implementation.
| Parameters | |
|---|---|
partialResults |
Bundle:
the returned results. To retrieve the results in
ArrayList<String> format use getStringArrayList(String) with
RESULTS_RECOGNITION as a parameter
|
| Throws | |
|---|---|
RemoteException |
|
void readyForSpeech (Bundle params)
The service should call this method when the endpointer is ready for the user to start speaking.
| Parameters | |
|---|---|
params |
Bundle:
parameters set by the recognition service. Reserved for future use.
|
| Throws | |
|---|---|
RemoteException |
|
void results (Bundle results)
The service should call this method when recognition results are ready.
| Parameters | |
|---|---|
results |
Bundle:
the recognition results. To retrieve the results in ArrayList<String> format use getStringArrayList(String) with
RESULTS_RECOGNITION as a parameter
|
| Throws | |
|---|---|
RemoteException |
|
void rmsChanged (float rmsdB)
The service should call this method when the sound level in the audio stream has changed. There is no guarantee that this method will be called.
| Parameters | |
|---|---|
rmsdB |
float:
the new RMS dB value
|
| Throws | |
|---|---|
RemoteException |
|
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