1 /*
2  * Copyright (C) 2016 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.compat.testing;
18 
19 import android.compat.Compatibility;
20 import android.content.Context;
21 import android.os.RemoteException;
22 import android.os.ServiceManager;
23 
24 import com.android.internal.compat.IPlatformCompat;
25 
26 /**
27  * This is a dummy API to test gating
28  *
29  * @hide
30  */
31 public class DummyApi {
32 
33     public static final long CHANGE_ID = 666013;
34     public static final long CHANGE_ID_1 = 666014;
35     public static final long CHANGE_ID_2 = 666015;
36     public static final long CHANGE_SYSTEM_SERVER = 666016;
37 
38     /**
39      * Dummy method
40      * @return "A" if change is enabled, "B" otherwise.
41      */
dummyFunc()42     public static String dummyFunc() {
43         if (Compatibility.isChangeEnabled(CHANGE_ID)) {
44             return "A";
45         }
46         return "B";
47     }
48 
49     /**
50      * Dummy combined method
51      * @return "0" if {@link CHANGE_ID_1} is disabled and {@link CHANGE_ID_2} is disabled,
52                "1" if {@link CHANGE_ID_1} is disabled and {@link CHANGE_ID_2} is enabled,
53                "2" if {@link CHANGE_ID_1} is enabled and {@link CHANGE_ID_2} is disabled,
54                "3" if {@link CHANGE_ID_1} is enabled and {@link CHANGE_ID_2} is enabled.
55      */
dummyCombinedFunc()56     public static String dummyCombinedFunc() {
57         if (!Compatibility.isChangeEnabled(CHANGE_ID_1)
58                 && !Compatibility.isChangeEnabled(CHANGE_ID_2)) {
59             return "0";
60         } else if (!Compatibility.isChangeEnabled(CHANGE_ID_1)
61                 && Compatibility.isChangeEnabled(CHANGE_ID_2)) {
62             return "1";
63         } else if (Compatibility.isChangeEnabled(CHANGE_ID_1)
64                 && !Compatibility.isChangeEnabled(CHANGE_ID_2)) {
65             return "2";
66         }
67         return "3";
68     }
69 
70     /**
71      * Dummy api using system server API.
72      */
dummySystemServer(Context context)73     public static boolean dummySystemServer(Context context) {
74         IPlatformCompat platformCompat = IPlatformCompat.Stub
75                 .asInterface(ServiceManager.getService(Context.PLATFORM_COMPAT_SERVICE));
76         if (platformCompat == null) {
77             throw new RuntimeException("Could not obtain IPlatformCompat instance!");
78         }
79         String packageName = context.getPackageName();
80         try {
81             return platformCompat.isChangeEnabledByPackageName(CHANGE_SYSTEM_SERVER, packageName,
82                                                             context.getUserId());
83         } catch (RemoteException e) {
84             throw new RuntimeException("Could not get change value!", e);
85         }
86     }
87 }
88