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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.speech;
import android.os.Bundle;
import android.content.Intent;
import android.speech.IRecognitionListener;
/**
* A Service interface to speech recognition. Call startListening when
* you want to begin capturing audio; RecognitionService will automatically
* determine when the user has finished speaking, stream the audio to the
* recognition servers, and notify you when results are ready. In most of the cases,
* this class should not be used directly, instead use {@link SpeechRecognizer} for
* accessing recognition service.
* {@hide}
*/
oneway interface IRecognitionService {
/**
* Starts listening for speech. Please note that the recognition service supports
* one listener only, therefore, if this function is called from two different threads,
* only the latest one will get the notifications
*
* @param recognizerIntent the intent from which the invocation occurred. Additionally,
* this intent can contain extra parameters to manipulate the behavior of the recognition
* client. For more information see {@link RecognizerIntent}.
* @param listener to receive callbacks, note that this must be non-null
*/
void startListening(in Intent recognizerIntent, in IRecognitionListener listener);
/**
* Stops listening for speech. Speech captured so far will be recognized as
* if the user had stopped speaking at this point. The function has no effect unless it
* is called during the speech capturing.
*
* @param listener to receive callbacks, note that this must be non-null
*/
void stopListening(in IRecognitionListener listener);
/**
* Cancels the speech recognition.
*
* @param listener to receive callbacks, note that this must be non-null
*/
void cancel(in IRecognitionListener listener);
}
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