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.Bundle;
22 import android.os.UserHandle;
23 import android.util.Log;
24 
25 import java.lang.reflect.InvocationTargetException;
26 
27 /**
28  * A convenience class for calling methods in android.app.SearchManager.
29  */
30 public final class SearchManagerHelper {
31     private static final String TAG = "SearchManagerHelper";
32 
33     private static final Object sLock = new Object();
34     private static SearchManagerHelper sInstance;
35 
36     private final SearchManager mSearchManager;
37 
SearchManagerHelper(Context context)38     private SearchManagerHelper(Context context) {
39         mSearchManager = ((android.app.SearchManager) context.getSystemService(
40                 Context.SEARCH_SERVICE));
41     }
42 
getInstance(Context context)43     public static SearchManagerHelper getInstance(Context context) {
44         synchronized (sLock) {
45             if (sInstance == null) {
46                 sInstance = new SearchManagerHelper(context.getApplicationContext());
47             }
48             return sInstance;
49         }
50     }
51 
launchAssistAction()52     public void launchAssistAction() {
53         try {
54             SearchManager.class.getDeclaredMethod("launchLegacyAssist", String.class, Integer.TYPE,
55                     Bundle.class).invoke(mSearchManager, null, UserHandle.myUserId(), null);
56         }  catch (NoSuchMethodException | IllegalArgumentException | IllegalAccessException
57                 | InvocationTargetException e) {
58             Log.e(TAG, "Fail to call SearchManager.launchAssistAction", e);
59         }
60     }
61 }
62