1 /* 2 * Copyright (C) 2023 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 android.car.hardware.property; 18 19 import android.annotation.IntDef; 20 import android.annotation.NonNull; 21 import android.annotation.SystemApi; 22 23 import java.lang.annotation.Retention; 24 import java.lang.annotation.RetentionPolicy; 25 26 /** 27 * Used to enumerate the current level of {@link android.car.VehiclePropertyIds#ENGINE_OIL_LEVEL}. 28 * 29 * @hide 30 */ 31 @SystemApi 32 public final class VehicleOilLevel { 33 34 /** 35 * The oil level of the engine is critically low, so the vehicle may be unsafe to drive. 36 */ 37 public static final int LEVEL_CRITICALLY_LOW = 0; 38 39 /** 40 * The oil level of the engine is low and needs to be replaced. 41 */ 42 public static final int LEVEL_LOW = 1; 43 44 /** 45 * The oil level of the engine is normal for the vehicle. 46 */ 47 public static final int LEVEL_NORMAL = 2; 48 49 /** 50 * The oil level of the engine is high, so the vehicle may be unsafe to drive. 51 */ 52 public static final int LEVEL_HIGH = 3; 53 54 /** 55 * This value represents an error when retrieving the oil level of the engine. 56 */ 57 public static final int LEVEL_ERROR = 4; 58 VehicleOilLevel()59 private VehicleOilLevel() {} 60 61 /** 62 * Returns a user-friendly representation of a {@code VehicleOilLevel}. 63 */ 64 @NonNull toString( @ehicleOilLevelInt int vehicleOilLevel)65 public static String toString( 66 @VehicleOilLevelInt int vehicleOilLevel) { 67 switch (vehicleOilLevel) { 68 case LEVEL_CRITICALLY_LOW: 69 return "LEVEL_CRITICALLY_LOW"; 70 case LEVEL_LOW: 71 return "LEVEL_LOW"; 72 case LEVEL_NORMAL: 73 return "LEVEL_NORMAL"; 74 case LEVEL_HIGH: 75 return "LEVEL_HIGH"; 76 case LEVEL_ERROR: 77 return "LEVEL_ERROR"; 78 default: 79 return "0x" + Integer.toHexString(vehicleOilLevel); 80 } 81 } 82 83 /** @hide */ 84 @IntDef({LEVEL_CRITICALLY_LOW, LEVEL_LOW, LEVEL_NORMAL, LEVEL_HIGH, LEVEL_ERROR}) 85 @Retention(RetentionPolicy.SOURCE) 86 public @interface VehicleOilLevelInt {} 87 } 88 89