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/*
* Copyright (C) 2014 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 com.android.test.voiceinteraction;
import android.content.ComponentName;
import android.content.Intent;
import android.os.Bundle;
import android.service.voice.AlwaysOnHotwordDetector;
import android.service.voice.AlwaysOnHotwordDetector.Callback;
import android.service.voice.AlwaysOnHotwordDetector.EventPayload;
import android.service.voice.VoiceInteractionService;
import android.service.voice.VoiceInteractionSession;
import android.util.Log;
import java.util.Arrays;
import java.util.Locale;
public class MainInteractionService extends VoiceInteractionService {
static final String TAG = "MainInteractionService";
private final Callback mHotwordCallback = new Callback() {
@Override
public void onAvailabilityChanged(int status) {
Log.i(TAG, "onAvailabilityChanged(" + status + ")");
hotwordAvailabilityChangeHelper(status);
}
@Override
public void onDetected(EventPayload eventPayload) {
Log.i(TAG, "onDetected");
}
@Override
public void onError() {
Log.i(TAG, "onError");
}
@Override
public void onRecognitionPaused() {
Log.i(TAG, "onRecognitionPaused");
}
@Override
public void onRecognitionResumed() {
Log.i(TAG, "onRecognitionResumed");
}
};
private AlwaysOnHotwordDetector mHotwordDetector;
@Override
public void onReady() {
super.onReady();
Log.i(TAG, "Creating " + this);
Log.i(TAG, "Keyphrase enrollment error? " + getKeyphraseEnrollmentInfo().getParseError());
Log.i(TAG, "Keyphrase enrollment meta-data: "
+ Arrays.toString(getKeyphraseEnrollmentInfo().listKeyphraseMetadata()));
mHotwordDetector = createAlwaysOnHotwordDetector(
"Hello There", Locale.forLanguageTag("en-US"), mHotwordCallback);
}
private void hotwordAvailabilityChangeHelper(int availability) {
Log.i(TAG, "Hotword availability = " + availability);
switch (availability) {
case AlwaysOnHotwordDetector.STATE_HARDWARE_UNAVAILABLE:
Log.i(TAG, "STATE_HARDWARE_UNAVAILABLE");
break;
case AlwaysOnHotwordDetector.STATE_KEYPHRASE_UNSUPPORTED:
Log.i(TAG, "STATE_KEYPHRASE_UNSUPPORTED");
break;
case AlwaysOnHotwordDetector.STATE_KEYPHRASE_UNENROLLED:
Log.i(TAG, "STATE_KEYPHRASE_UNENROLLED");
Intent enroll = mHotwordDetector.createEnrollIntent();
Log.i(TAG, "Need to enroll with " + enroll);
break;
case AlwaysOnHotwordDetector.STATE_KEYPHRASE_ENROLLED:
Log.i(TAG, "STATE_KEYPHRASE_ENROLLED - starting recognition");
if (mHotwordDetector.startRecognition(
AlwaysOnHotwordDetector.RECOGNITION_FLAG_NONE)) {
Log.i(TAG, "startRecognition succeeded");
} else {
Log.i(TAG, "startRecognition failed");
}
break;
}
}
}
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