MainInteractionService.java revision db92e35211d875eab75787c593eea2988c8a560f 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.test.voiceinteraction;
18
19import android.content.Intent;
20import android.os.Bundle;
21import android.service.voice.AlwaysOnHotwordDetector;
22import android.service.voice.AlwaysOnHotwordDetector.Callback;
23import android.service.voice.AlwaysOnHotwordDetector.EventPayload;
24import android.service.voice.VoiceInteractionService;
25import android.util.Log;
26
27import java.util.Arrays;
28
29public class MainInteractionService extends VoiceInteractionService {
30    static final String TAG = "MainInteractionService";
31
32    private final Callback mHotwordCallback = new Callback() {
33        @Override
34        public void onAvailabilityChanged(int status) {
35            Log.i(TAG, "onAvailabilityChanged(" + status + ")");
36            hotwordAvailabilityChangeHelper(status);
37        }
38
39        @Override
40        public void onDetected(EventPayload eventPayload) {
41            Log.i(TAG, "onDetected");
42        }
43
44        @Override
45        public void onError() {
46            Log.i(TAG, "onError");
47        }
48    };
49
50    private AlwaysOnHotwordDetector mHotwordDetector;
51
52    @Override
53    public void onReady() {
54        super.onReady();
55        Log.i(TAG, "Creating " + this);
56        Log.i(TAG, "Keyphrase enrollment error? " + getKeyphraseEnrollmentInfo().getParseError());
57        Log.i(TAG, "Keyphrase enrollment meta-data: "
58                + Arrays.toString(getKeyphraseEnrollmentInfo().listKeyphraseMetadata()));
59
60        mHotwordDetector = createAlwaysOnHotwordDetector("Hello There", "en-US", mHotwordCallback);
61    }
62
63    @Override
64    public int onStartCommand(Intent intent, int flags, int startId) {
65        Bundle args = new Bundle();
66        args.putParcelable("intent", new Intent(this, TestInteractionActivity.class));
67        startSession(args);
68        stopSelf(startId);
69        return START_NOT_STICKY;
70    }
71
72    private void hotwordAvailabilityChangeHelper(int availability) {
73        Log.i(TAG, "Hotword availability = " + availability);
74        switch (availability) {
75            case AlwaysOnHotwordDetector.STATE_HARDWARE_UNAVAILABLE:
76                Log.i(TAG, "STATE_HARDWARE_UNAVAILABLE");
77                break;
78            case AlwaysOnHotwordDetector.STATE_KEYPHRASE_UNSUPPORTED:
79                Log.i(TAG, "STATE_KEYPHRASE_UNSUPPORTED");
80                break;
81            case AlwaysOnHotwordDetector.STATE_KEYPHRASE_UNENROLLED:
82                Log.i(TAG, "STATE_KEYPHRASE_UNENROLLED");
83                Intent enroll = mHotwordDetector.getManageIntent(
84                        AlwaysOnHotwordDetector.MANAGE_ACTION_ENROLL);
85                Log.i(TAG, "Need to enroll with " + enroll);
86                break;
87            case AlwaysOnHotwordDetector.STATE_KEYPHRASE_ENROLLED:
88                Log.i(TAG, "STATE_KEYPHRASE_ENROLLED - starting recognition");
89                if (mHotwordDetector.startRecognition(
90                        AlwaysOnHotwordDetector.RECOGNITION_FLAG_NONE)) {
91                    Log.i(TAG, "startRecognition succeeded");
92                } else {
93                    Log.i(TAG, "startRecognition failed");
94                }
95                break;
96        }
97    }
98}
99