1 /*
2  * Copyright (C) 2015 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 
17 package com.android.tv.util;
18 
19 import android.app.SearchManager;
20 import android.content.Context;
21 import android.os.Build;
22 import android.os.Bundle;
23 import android.os.UserHandle;
24 import android.util.Log;
25 
26 import java.lang.reflect.InvocationTargetException;
27 
28 /**
29  * A convenience class for calling methods in android.app.SearchManager.
30  */
31 public final class SearchManagerHelper {
32     private static final String TAG = "SearchManagerHelper";
33 
34     private static final Object sLock = new Object();
35     private static SearchManagerHelper sInstance;
36 
37     private final SearchManager mSearchManager;
38 
SearchManagerHelper(Context context)39     private SearchManagerHelper(Context context) {
40         mSearchManager = ((android.app.SearchManager) context.getSystemService(
41                 Context.SEARCH_SERVICE));
42     }
43 
getInstance(Context context)44     public static SearchManagerHelper getInstance(Context context) {
45         synchronized (sLock) {
46             if (sInstance == null) {
47                 sInstance = new SearchManagerHelper(context.getApplicationContext());
48             }
49             return sInstance;
50         }
51     }
52 
launchAssistAction()53     public void launchAssistAction() {
54         try {
55             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
56                 SearchManager.class.getDeclaredMethod(
57                         "launchLegacyAssist", String.class, Integer.TYPE, Bundle.class).invoke(
58                                 mSearchManager, null, UserHandle.myUserId(), null);
59             } else {
60                 SearchManager.class.getDeclaredMethod(
61                         "launchAssistAction", Integer.TYPE, String.class, Integer.TYPE).invoke(
62                                 mSearchManager, 0, null, UserHandle.myUserId());
63             }
64         }  catch (NoSuchMethodException | IllegalArgumentException | IllegalAccessException
65                 | InvocationTargetException e) {
66             Log.e(TAG, "Fail to call SearchManager.launchAssistAction", e);
67         }
68     }
69 }
70