1 /* 2 * Copyright (C) 2014 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.os; 18 19 /** 20 * Battery manager local system service interface. 21 * 22 * @hide Only for use within the system server. 23 */ 24 public abstract class BatteryManagerInternal { 25 /** 26 * Returns true if the device is plugged into any of the specified plug types. 27 * 28 * This is a simple accessor that's safe to be called from any locks, but internally it may 29 * wait on the battery service lock. 30 */ 31 public abstract boolean isPowered(int plugTypeSet); 32 33 /** 34 * Returns the current plug type. 35 * 36 * This is a simple accessor that's safe to be called from any locks, but internally it may 37 * wait on the battery service lock. 38 */ 39 public abstract int getPlugType(); 40 41 /** 42 * Returns battery level as a percentage. 43 * 44 * This is a simple accessor that's safe to be called from any locks, but internally it may 45 * wait on the battery service lock. 46 */ 47 public abstract int getBatteryLevel(); 48 49 /** 50 * Instantaneous battery capacity in uA-h, as defined in the HealthInfo HAL struct. 51 * Please note apparently it could be bigger than {@link #getBatteryFullCharge}. 52 * 53 * This is a simple accessor that's safe to be called from any locks, but internally it may 54 * wait on the battery service lock. 55 * 56 * @see android.hardware.health.V1_0.HealthInfo#batteryChargeCounter 57 */ 58 public abstract int getBatteryChargeCounter(); 59 60 /** 61 * Battery charge value when it is considered to be "full" in uA-h , as defined in the 62 * HealthInfo HAL struct. 63 * 64 * This is a simple accessor that's safe to be called from any locks, but internally it may 65 * wait on the battery service lock. 66 * 67 * @see android.hardware.health.V1_0.HealthInfo#batteryFullCharge 68 */ 69 public abstract int getBatteryFullCharge(); 70 71 /** 72 * Returns whether we currently consider the battery level to be low. 73 * 74 * This is a simple accessor that's safe to be called from any locks, but internally it may 75 * wait on the battery service lock. 76 */ 77 public abstract boolean getBatteryLevelLow(); 78 79 /** 80 * Returns a non-zero value if an unsupported charger is attached. 81 * 82 * This is a simple accessor that's safe to be called from any locks, but internally it may 83 * wait on the battery service lock. 84 */ 85 public abstract int getInvalidCharger(); 86 } 87
