android 电池充电状态记录

Posted 2021-06-26 明风的博客

摘抄源码记录下
http://androidxref.com/9.0.0_r3/xref/frameworks/native/include/batteryservice/BatteryServiceConstants.h

// This file is autogenerated by hidl-gen. Do not edit manually.
2
3#ifndef HIDL_GENERATED_android_hardware_health_V1_0_EXPORTED_CONSTANTS_H_
4#define HIDL_GENERATED_android_hardware_health_V1_0_EXPORTED_CONSTANTS_H_
5
6#ifdef __cplusplus
7extern “C” {
8#endif
9
10enum {
11 BATTERY_STATUS_UNKNOWN = 1,
12 BATTERY_STATUS_CHARGING = 2,
13 BATTERY_STATUS_DISCHARGING = 3,
14 BATTERY_STATUS_NOT_CHARGING = 4,
15 BATTERY_STATUS_FULL = 5,
16};
17
18enum {
19 BATTERY_HEALTH_UNKNOWN = 1,
20 BATTERY_HEALTH_GOOD = 2,
21 BATTERY_HEALTH_OVERHEAT = 3,
22 BATTERY_HEALTH_DEAD = 4,
23 BATTERY_HEALTH_OVER_VOLTAGE = 5,
24 BATTERY_HEALTH_UNSPECIFIED_FAILURE = 6,
25 BATTERY_HEALTH_COLD = 7,
26};
27
28#ifdef _cplusplus
29}
30#endif
31
32#endif // HIDL_GENERATED_android_hardware_health_V1_0_EXPORTED_CONSTANTS_H
33

32@SystemService(Context.BATTERY_SERVICE)
33public class BatteryManager {
34 /**
35 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
36 * integer containing the current status constant.
37 /
38 public static final String EXTRA_STATUS = “status”;
39
40 /*
41 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
42 * integer containing the current health constant.
43 /
44 public static final String EXTRA_HEALTH = “health”;
45
46 /*
47 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
48 * boolean indicating whether a battery is present.
49 /
50 public static final String EXTRA_PRESENT = “present”;
51
52 /*
53 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
54 * integer field containing the current battery level, from 0 to
55 * {@link #EXTRA_SCALE}.
56 /
57 public static final String EXTRA_LEVEL = “level”;
58
59 /*
60 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
61 * Boolean field indicating whether the battery is currently considered to be
62 * low, that is whether a {@link Intent#ACTION_BATTERY_LOW} broadcast
63 * has been sent.
64 /
65 public static final String EXTRA_BATTERY_LOW = “battery_low”;
66
67 /*
68 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
69 * integer containing the maximum battery level.
70 /
71 public static final String EXTRA_SCALE = “scale”;
72
73 /*
74 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
75 * integer containing the resource ID of a small status bar icon
76 * indicating the current battery state.
77 /
78 public static final String EXTRA_ICON_SMALL = “icon-small”;
79
80 /*
81 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
82 * integer indicating whether the device is plugged in to a power
83 * source; 0 means it is on battery, other constants are different
84 * types of power sources.
85 /
86 public static final String EXTRA_PLUGGED = “plugged”;
87
88 /*
89 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
90 * integer containing the current battery voltage level.
91 /
92 public static final String EXTRA_VOLTAGE = “voltage”;
93
94 /*
95 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
96 * integer containing the current battery temperature.
97 /
98 public static final String EXTRA_TEMPERATURE = “temperature”;
99
100 /*
101 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
102 * String describing the technology of the current battery.
103 /
104 public static final String EXTRA_TECHNOLOGY = “technology”;
105
106 /*
107 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
108 * Int value set to nonzero if an unsupported charger is attached
109 * to the device.
110 * {@hide}
111 /
112 public static final String EXTRA_INVALID_CHARGER = “invalid_charger”;
113
114 /*
115 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
116 * Int value set to the maximum charging current supported by the charger in micro amperes.
117 * {@hide}
118 /
119 public static final String EXTRA_MAX_CHARGING_CURRENT = “max_charging_current”;
120
121 /*
122 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
123 * Int value set to the maximum charging voltage supported by the charger in micro volts.
124 * {@hide}
125 /
126 public static final String EXTRA_MAX_CHARGING_VOLTAGE = “max_charging_voltage”;
127
128 /*
129 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
130 * integer containing the charge counter present in the battery.
131 * {@hide}
132 /
133 public static final String EXTRA_CHARGE_COUNTER = “charge_counter”;
134
135 /*
136 * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
137 * Current int sequence number of the update.
138 * {@hide}
139 /
140 public static final String EXTRA_SEQUENCE = “seq”;
141
142 /*
143 * Extra for {@link android.content.Intent#ACTION_BATTERY_LEVEL_CHANGED}:
144 * Contains list of Bundles representing battery events
145 * @hide
146 /
147 @SystemApi
148 public static final String EXTRA_EVENTS = “android.os.extra.EVENTS”;
149
150 /*
151 * Extra for event in {@link android.content.Intent#ACTION_BATTERY_LEVEL_CHANGED}:
152 * Long value representing time when event occurred as returned by
153 * {@link android.os.SystemClock#elapsedRealtime()}
154 * @hide
155 /
156 @SystemApi
157 public static final String EXTRA_EVENT_TIMESTAMP = “android.os.extra.EVENT_TIMESTAMP”;
158
159 // values for “status” field in the ACTION_BATTERY_CHANGED Intent
160 public static final int BATTERY_STATUS_UNKNOWN = Constants.BATTERY_STATUS_UNKNOWN;
161 public static final int BATTERY_STATUS_CHARGING = Constants.BATTERY_STATUS_CHARGING;
162 public static final int BATTERY_STATUS_DISCHARGING = Constants.BATTERY_STATUS_DISCHARGING;
163 public static final int BATTERY_STATUS_NOT_CHARGING = Constants.BATTERY_STATUS_NOT_CHARGING;
164 public static final int BATTERY_STATUS_FULL = Constants.BATTERY_STATUS_FULL;
165
166 // values for “health” field in the ACTION_BATTERY_CHANGED Intent
167 public static final int BATTERY_HEALTH_UNKNOWN = Constants.BATTERY_HEALTH_UNKNOWN;
168 public static final int BATTERY_HEALTH_GOOD = Constants.BATTERY_HEALTH_GOOD;
169 public static final int BATTERY_HEALTH_OVERHEAT = Constants.BATTERY_HEALTH_OVERHEAT;
170 public static final int BATTERY_HEALTH_DEAD = Constants.BATTERY_HEALTH_DEAD;
171 public static final int BATTERY_HEALTH_OVER_VOLTAGE = Constants.BATTERY_HEALTH_OVER_VOLTAGE;
172 public static final int BATTERY_HEALTH_UNSPECIFIED_FAILURE = Constants.BATTERY_HEALTH_UNSPECIFIED_FAILURE;
173 public static final int BATTERY_HEALTH_COLD = Constants.BATTERY_HEALTH_COLD;
174
175 // values of the “plugged” field in the ACTION_BATTERY_CHANGED intent.
176 // These must be powers of 2.
177 /* Power source is an AC charger. /
178 public static final int BATTERY_PLUGGED_AC = OsProtoEnums.BATTERY_PLUGGED_AC; // = 1
179 /* Power source is a USB port. /
180 public static final int BATTERY_PLUGGED_USB = OsProtoEnums.BATTERY_PLUGGED_USB; // = 2
181 /* Power source is wireless. /
182 public static final int BATTERY_PLUGGED_WIRELESS = OsProtoEnums.BATTERY_PLUGGED_WIRELESS; // = 4
183
184 /* @hide /
185 public static final int BATTERY_PLUGGED_ANY =
186 BATTERY_PLUGGED_AC | BATTERY_PLUGGED_USB | BATTERY_PLUGGED_WIRELESS;
187
188 /*
189 * Sent when the device’s battery has started charging (or has reached full charge
190 * and the device is on power). This is a good time to do work that you would like to
191 * avoid doing while on battery (that is to avoid draining the user’s battery due to
192 * things they don’t care enough about).
193 *
194 * This is paired with {@link #ACTION_DISCHARGING}. The current state can always
195 * be retrieved with {@link #isCharging()}.
196 /
197 public static final String ACTION_CHARGING = “android.os.action.CHARGING”;
198
199 /*
200 * Sent when the device’s battery may be discharging, so apps should avoid doing
201 * extraneous work that would cause it to discharge faster.
202 *
203 * This is paired with {@link #ACTION_CHARGING}. The current state can always
204 * be retrieved with {@link #isCharging()}.
205 /
206 public static final String ACTION_DISCHARGING = “android.os.action.DISCHARGING”;
207
208 /
209 * Battery property identifiers. These must match the values in
210 * frameworks/native/include/batteryservice/BatteryService.h
211 /
212 /* Battery capacity in microampere-hours, as an integer. /
213 public static final int BATTERY_PROPERTY_CHARGE_COUNTER = 1;
214
215 /*
216 * Instantaneous battery current in microamperes, as an integer. Positive
217 * values indicate net current entering the battery from a charge source,
218 * negative values indicate net current discharging from the battery.
219 /
220 public static final int BATTERY_PROPERTY_CURRENT_NOW = 2;
221
222 /*
223 * Average battery current in microamperes, as an integer. Positive
224 * values indicate net current entering the battery from a charge source,
225 * negative values indicate net current discharging from the battery.
226 * The time period over which the average is computed may depend on the
227 * fuel gauge hardware and its configuration.
228 /
229 public static final int BATTERY_PROPERTY_CURRENT_AVERAGE = 3;
230
231 /*
232 * Remaining battery capacity as an integer percentage of total capacity
233 * (with no fractional part).
234 /
235 public static final int BATTERY_PROPERTY_CAPACITY = 4;
236
237 /*
238 * Battery remaining energy in nanowatt-hours, as a long integer.
239 /
240 public static final int BATTERY_PROPERTY_ENERGY_COUNTER = 5;
241
242 /*
243 * Battery charge status, from a BATTERY_STATUS_* value.
244 */
245 public static final int BATTERY_PROPERTY_STATUS = 6;