AI 146613: Move Recognition service declarations to...

	core/java/android/view/IWindow.aidl \

	core/java/android/view/IWindowManager.aidl \

	core/java/android/view/IWindowSession.aidl \

	core/java/android/speech/IRecognitionListener.aidl \

	core/java/android/speech/IRecognitionService.aidl \

	core/java/com/android/internal/app/IBatteryStats.aidl \

	core/java/com/android/internal/app/IUsageStats.aidl \

	core/java/com/android/internal/appwidget/IAppWidgetService.aidl \

/*

 * 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}

 */

interface IRecognitionListener {

    /** Called when the endpointer is ready for the user to start speaking. */

    void onReadyForSpeech(in Bundle noiseParams);

    /** The user has started to speak. */

    void onBeginningOfSpeech();

    /** The sound level in the audio stream has changed. */

    void onRmsChanged(in float rmsdB);

    /**

     * More sound has been received. Buffer is a 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. */

    void onError(in String error);

    /** 

     * Called when recognition transcripts are ready.

     * results: an ordered list of the most likely transcripts (N-best list).

     * @hide

     */

    void onResults(in List<String> results);

}

/*

 * 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.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.

/** {@hide} */

interface IRecognitionService {

    // Start listening for speech. Can only call this from one thread at once.

    void startListening(in Bundle recognitionParams,

        in IRecognitionListener listener);

    void cancel();

}

/*

 * Copyright (C) 2009 Google Inc.

 * 

 * 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.content.ComponentName;

import android.content.Intent;

import android.content.ServiceConnection;

import android.os.Bundle;

import android.os.IBinder;

import java.util.List;

/**

 * Utils for Google's network-based speech recognizer, which lets you perform

 * speech-to-text translation through RecognitionService. IRecognitionService

 * and IRecognitionListener are the core interfaces; you begin recognition

 * through IRecognitionService and subscribe to callbacks about when the user

 * stopped speaking, results come in, errors, etc. through IRecognitionListener.

 * RecognitionServiceUtil includes default IRecognitionListener and

 * ServiceConnection implementations to reduce the amount of boilerplate.

 *

 * The Service provides no user interface. See RecognitionActivity if you

 * want the standard voice search UI.

 *

 * Below is a small skeleton of how to use the recognizer:

 *

 * ServiceConnection conn = new RecognitionServiceUtil.Connection();

 * mContext.bindService(RecognitionServiceUtil.sDefaultIntent,

 *     conn, Context.BIND_AUTO_CREATE);

 * IRecognitionListener listener = new RecognitionServiceWrapper.NullListener() {

 *         public void onResults(List<String> results) {

 *             // Do something with recognition transcripts

 *         }

 *     }

 *

 * // Must wait for conn.mService to be populated, then call below

 * conn.mService.startListening(null, listener);

 *

 * {@hide}

 */

public class RecognitionServiceUtil {

    public static final Intent sDefaultIntent = new Intent(

            RecognizerIntent.ACTION_RECOGNIZE_SPEECH);

    public static final String NOISE_LEVEL = "NoiseLevel";

    public static final String SIGNAL_NOISE_RATIO = "SignalNoiseRatio";

    private RecognitionServiceUtil() {}

    /**

     * IRecognitionListener which does nothing in response to recognition

     * callbacks. You can subclass from this and override only the methods

     * whose events you want to respond to.

     */

    public static class NullListener extends IRecognitionListener.Stub {

        public void onReadyForSpeech(Bundle bundle) {}

        public void onBeginningOfSpeech() {}

        public void onRmsChanged(float rmsdB) {}

        public void onBufferReceived(byte[] buf) {}

        public void onEndOfSpeech() {}

        public void onError(String error) {}

        public void onResults(List<String> results) {}

    }

    /**

     * Basic ServiceConnection which just records mService variable.

     */

    public static class Connection implements ServiceConnection {

        public IRecognitionService mService;

        public synchronized void onServiceConnected(ComponentName name, IBinder service) {

            mService = IRecognitionService.Stub.asInterface(service);

        }

        public void onServiceDisconnected(ComponentName name) {

            mService = null;

        }

    }

}