VoiceInteractionService.java revision 91097de49b0f683b00e26a75dbc0ac6082344137 
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 android.service.voice;
18
19import android.annotation.SdkConstant;
20import android.app.Instrumentation;
21import android.app.Service;
22import android.content.Context;
23import android.content.Intent;
24import android.os.IBinder;
25import android.os.RemoteException;
26import android.os.ServiceManager;
27import com.android.internal.app.IVoiceInteractionManagerService;
28
29public class VoiceInteractionService extends Service {
30    /**
31     * The {@link Intent} that must be declared as handled by the service.
32     * To be supported, the service must also require the
33     * {@link android.Manifest.permission#BIND_VOICE_INTERACTION} permission so
34     * that other applications can not abuse it.
35     */
36    @SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION)
37    public static final String SERVICE_INTERFACE =
38            "android.service.voice.VoiceInteractionService";
39
40    /**
41     * Name under which a VoiceInteractionService component publishes information about itself.
42     * This meta-data should reference an XML resource containing a
43     * <code>&lt;{@link
44     * android.R.styleable#VoiceInteractionService voice-interaction-service}&gt;</code> tag.
45     */
46    public static final String SERVICE_META_DATA = "android.voice_interaction";
47
48    IVoiceInteractionService mInterface = new IVoiceInteractionService.Stub() {
49    };
50
51    IVoiceInteractionManagerService mSystemService;
52
53    public void startVoiceActivity(Intent intent, VoiceInteractionSession session) {
54        try {
55            int res = mSystemService.startVoiceActivity(intent,
56                    intent.resolveType(getContentResolver()),
57                    mInterface, session.mSession, session.mInteractor);
58            Instrumentation.checkStartActivityResult(res, intent);
59        } catch (RemoteException e) {
60        }
61    }
62
63    @Override
64    public void onCreate() {
65        super.onCreate();
66        mSystemService = IVoiceInteractionManagerService.Stub.asInterface(
67                ServiceManager.getService(Context.VOICE_INTERACTION_MANAGER_SERVICE));
68    }
69
70    @Override
71    public IBinder onBind(Intent intent) {
72        if (SERVICE_INTERFACE.equals(intent.getAction())) {
73            return mInterface.asBinder();
74        }
75        return null;
76    }
77}
78