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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;
/**
* Listener for speech recognition events, used with RecognitionService.
* This gives you both the final recognition results, as well as various
* intermediate events that can be used to show visual feedback to the user.
* {@hide}
*/
oneway interface IRecognitionListener {
/**
* Called when the endpointer is ready for the user to start speaking.
*
* @param params parameters set by the recognition service. Reserved for future use.
*/
void onReadyForSpeech(in Bundle params);
/**
* The user has started to speak.
*/
void onBeginningOfSpeech();
/**
* The sound level in the audio stream has changed.
*
* @param rmsdB the new RMS dB value
*/
void onRmsChanged(in float rmsdB);
/**
* More sound has been received.
*
* @param buffer the byte buffer containing a sequence of 16-bit shorts.
*/
void onBufferReceived(in byte[] buffer);
/**
* Called after the user stops speaking.
*/
void onEndOfSpeech();
/**
* A network or recognition error occurred.
*
* @param error code is defined in {@link RecognitionManager}
*/
void onError(in int error);
/**
* Called when recognition results are ready.
*
* @param results a Bundle containing the most likely results (N-best list).
*/
void onResults(in Bundle results);
/**
* Called when recognition partial results are ready.
*
* @param results a Bundle containing the current most likely result.
*/
void onPartialResults(in Bundle results);
/**
* Reserved for adding future events.
*
* @param eventType the type of the occurred event
* @param params a Bundle containing the passed parameters
*/
void onEvent(in int eventType, in Bundle params);
}
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