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1 /*
2  * Copyright (C) 2024 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.systemui.car.systembar;
18 
19 import android.car.Car;
20 import android.car.VehicleAreaType;
21 import android.car.VehiclePropertyIds;
22 import android.car.hardware.CarPropertyValue;
23 import android.car.hardware.property.CarPropertyManager;
24 import android.content.Context;
25 import android.os.Build;
26 import android.text.TextUtils;
27 
28 import androidx.annotation.ArrayRes;
29 
30 import com.android.systemui.R;
31 
32 import java.util.Set;
33 
34 /**
35  * Contains utility functions for build info.
36  */
37 // TODO(b/371116800): move this class to car-apps-common library
38 public class BuildInfoUtil {
39 
BuildInfoUtil()40     private BuildInfoUtil() {
41     }
42 
43     /**
44      * Returns true for builds that are for testing for developers.
45      */
isDevTesting(Context context)46     public static boolean isDevTesting(Context context) {
47         return (Build.IS_ENG || Build.IS_USERDEBUG) && isSupportedBenchOrEmulator(context);
48     }
49 
50     /**
51      * Returns true for builds that are on benches or emulators.
52      */
isSupportedBenchOrEmulator(Context context)53     public static boolean isSupportedBenchOrEmulator(Context context) {
54         return isEmulator() || isSupportedDebugDevice(context) || isSupportedDebugDeviceExcludeCar(
55                 context);
56     }
57 
isEmulator()58     private static boolean isEmulator() {
59         return Build.IS_EMULATOR;
60     }
61 
isSupportedDebugDevice(Context context)62     private static boolean isSupportedDebugDevice(Context context) {
63         return isDebugDeviceIncluded(context, R.array.config_debug_support_devices);
64     }
65 
isDebugDeviceIncluded(Context context, @ArrayRes int resId)66     private static boolean isDebugDeviceIncluded(Context context, @ArrayRes int resId) {
67         Set<String> supportedDevices = Set.of(context.getResources().getStringArray(resId));
68         return supportedDevices.contains(Build.DEVICE);
69     }
70 
isSupportedDebugDeviceExcludeCar(Context context)71     private static boolean isSupportedDebugDeviceExcludeCar(Context context) {
72         return isDebugDeviceIncluded(context, R.array.config_debug_support_devices_exclude_car)
73                 && !isRealCar(context);
74     }
75 
76     /**
77      * Please make sure the VIN numbers on the benches are reset before using this function,
78      * follow the instructions in b/267517048.
79      */
isRealCar(Context context)80     private static boolean isRealCar(Context context) {
81         Car car = Car.createCar(context);
82         CarPropertyManager carPropertyManager = null;
83         if (car != null) {
84             carPropertyManager = (CarPropertyManager) car.getCarManager(Car.PROPERTY_SERVICE);
85         }
86         if (carPropertyManager != null) {
87             try {
88                 CarPropertyValue carPropertyValue = carPropertyManager.getProperty(
89                         VehiclePropertyIds.INFO_VIN, VehicleAreaType.VEHICLE_AREA_TYPE_GLOBAL);
90                 if (carPropertyValue != null && carPropertyValue.getPropertyStatus()
91                         == CarPropertyValue.STATUS_AVAILABLE) {
92                     if (TextUtils.isDigitsOnly((CharSequence) carPropertyValue.getValue())) {
93                         return Long.valueOf((String) carPropertyValue.getValue()) != 0;
94                     } else {
95                         return true;
96                     }
97                 }
98             } catch (Exception e) {
99                 // For the situations where there are exceptions, the status of the device is
100                 // uncertain, so it will be treated as a real car in order to avoid showing the
101                 // debug only features.
102                 return true;
103             }
104         }
105         // Normally a real car should always have the proper service setup.
106         return false;
107     }
108 }
109