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| java.lang.Object | |
| ↳ | android.speech.SpeechRecognizer |
This class provides access to the speech recognition service. This service allows access to the speech recognizer. Do not instantiate this class directly, instead, call createSpeechRecognizer(Context). This class's methods must be invoked only from the main application thread. Please note that the application must have RECORD_AUDIO permission to use this class.
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| String | CONFIDENCE_SCORES | Key used to retrieve a float array from the Bundle passed to the onResults(Bundle) and onPartialResults(Bundle) methods. |
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| int | ERROR_AUDIO | Audio recording error. | |||||||||
| int | ERROR_CLIENT | Other client side errors. | |||||||||
| int | ERROR_INSUFFICIENT_PERMISSIONS | Insufficient permissions | |||||||||
| int | ERROR_NETWORK | Other network related errors. | |||||||||
| int | ERROR_NETWORK_TIMEOUT | Network operation timed out. | |||||||||
| int | ERROR_NO_MATCH | No recognition result matched. | |||||||||
| int | ERROR_RECOGNIZER_BUSY | RecognitionService busy. | |||||||||
| int | ERROR_SERVER | Server sends error status. | |||||||||
| int | ERROR_SPEECH_TIMEOUT | No speech input | |||||||||
| String | RESULTS_RECOGNITION | Key used to retrieve an ArrayList
from the Bundle passed to the onResults(Bundle) and onPartialResults(Bundle) methods. |
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Cancels the speech recognition.
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Factory method to create a new
SpeechRecognizer.
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Factory method to create a new
SpeechRecognizer.
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Destroys the
SpeechRecognizer object.
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Checks whether a speech recognition service is available on the system.
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Sets the listener that will receive all the callbacks.
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Starts listening for speech.
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Stops listening for speech.
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Inherited Methods
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 From class java.lang.Object
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Key used to retrieve a float array from the Bundle passed to the onResults(Bundle) and onPartialResults(Bundle) methods. The array should be the same size as the ArrayList provided in RESULTS_RECOGNITION, and should contain values ranging from 0.0 to 1.0, or -1 to represent an unavailable confidence score.
Confidence values close to 1.0 indicate high confidence (the speech recognizer is confident that the recognition result is correct), while values close to 0.0 indicate low confidence.
This value is optional and might not be provided.
Audio recording error.
Other client side errors.
Insufficient permissions
Other network related errors.
Network operation timed out.
No recognition result matched.
RecognitionService busy.
Server sends error status.
No speech input
Key used to retrieve an ArrayList
from the Bundle passed to the onResults(Bundle) and onPartialResults(Bundle) methods. These strings are the possible recognition results, where the first element is the most likely candidate.
Cancels the speech recognition. Please note that setRecognitionListener(RecognitionListener) should be called beforehand, otherwise no notifications will be received.
Factory method to create a new SpeechRecognizer. Please note that setRecognitionListener(RecognitionListener) should be called before dispatching any command to the created SpeechRecognizer, otherwise no notifications will be received. Use this version of the method to specify a specific service to direct this SpeechRecognizer to. Normally you would not use this; use createSpeechRecognizer(Context) instead to use the system default recognition service.
| context | in which to create SpeechRecognizer |
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| serviceComponent | the ComponentName of a specific service to direct this SpeechRecognizer to |
SpeechRecognizer Factory method to create a new SpeechRecognizer. Please note that setRecognitionListener(RecognitionListener) should be called before dispatching any command to the created SpeechRecognizer, otherwise no notifications will be received.
| context | in which to create SpeechRecognizer |
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SpeechRecognizer Checks whether a speech recognition service is available on the system. If this method returns false, createSpeechRecognizer(Context) will fail.
| context | with which SpeechRecognizer will be created |
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true if recognition is available, false otherwise Sets the listener that will receive all the callbacks. The previous unfinished commands will be executed with the old listener, while any following command will be executed with the new listener.
| listener | listener that will receive all the callbacks from the created SpeechRecognizer, this must not be null. |
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Starts listening for speech. Please note that setRecognitionListener(RecognitionListener) should be called beforehand, otherwise no notifications will be received.
| recognizerIntent | contains parameters for the recognition to be performed. The intent may also contain optional extras, see RecognizerIntent. If these values are not set explicitly, default values will be used by the recognizer. |
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Stops listening for speech. Speech captured so far will be recognized as if the user had stopped speaking at this point. Note that in the default case, this does not need to be called, as the speech endpointer will automatically stop the recognizer listening when it determines speech has completed. However, you can manipulate endpointer parameters directly using the intent extras defined in RecognizerIntent, in which case you may sometimes want to manually call this method to stop listening sooner. Please note that setRecognitionListener(RecognitionListener) should be called beforehand, otherwise no notifications will be received.