harmony 鸿蒙OH_BatteryInfo
OH_BatteryInfo
Overview
Provides APIs for the BatteryInfo module to obtain battery information.
System capability: SystemCapability.PowerManager.BatteryManager.Core
Since: 13
Summary
File
| Name | Description |
|---|---|
| ohbattery_info.h | Declares the battery APIs that are used to obtain the current battery capacity and power supply type and define common battery events. Library: libohbattery_info.so |
Enums
| Name | Description |
|---|---|
| BatteryInfo_BatteryPluggedType { PLUGGED_TYPE_NONE , PLUGGED_TYPE_AC , PLUGGED_TYPE_USB , PLUGGED_TYPE_WIRELESS , PLUGGED_TYPE_BUTT } |
Defines the plug type. |
Functions
| Name | Description |
|---|---|
| int32_t OH_BatteryInfo_GetCapacity () | Obtains the current battery capacity. |
| BatteryInfo_BatteryPluggedTypeOH_BatteryInfo_GetPluggedType () | Obtains the plug type. |
Variables
| Name | Description |
|---|---|
| static const char* COMMON_EVENT_KEY_CAPACITY = “soc” | Common event indicating a battery capacity change. |
| static const char* COMMON_EVENT_KEY_CHARGE_STATE = “chargeState” | Common event indicating a charging status change. |
| static const char* COMMON_EVENT_KEY_PLUGGED_TYPE = “pluggedType” | Common event indicating a plug type change. |
Enum Description
BatteryInfo_BatteryPluggedType
enum BatteryInfo_BatteryPluggedType
Description
Defines the plug type.
Since: 13
| Value | Description |
|---|---|
| PLUGGED_TYPE_NONE | No power supply. |
| PLUGGED_TYPE_AC | AC charging. |
| PLUGGED_TYPE_USB | USB DC charging. |
| PLUGGED_TYPE_WIRELESS | Wireless charging. |
| PLUGGED_TYPE_BUTT | Reserved. |
Function Description
OH_BatteryInfo_GetCapacity()
int32_t OH_BatteryInfo_GetCapacity ()
Description
Obtains the current battery capacity.
System capability: SystemCapability.PowerManager.BatteryManager.Core
Since: 13
Returns
A number in the range from 0 to 100.
OH_BatteryInfo_GetPluggedType()
BatteryInfo_BatteryPluggedType OH_BatteryInfo_GetPluggedType ()
Description
Obtains the plug type.
System capability: SystemCapability.PowerManager.BatteryManager.Core
Since: 13
Returns
PLUGGED_TYPE_NONE: No power supply.
PLUGGED_TYPE_AC: AC charging.
PLUGGED_TYPE_USB: USB DC charging.
PLUGGED_TYPE_WIRELESS: wireless charging.
PLUGGED_TYPE_BUTT: unknown plug type.
Variable Description
COMMON_EVENT_KEY_CAPACITY
const char* COMMON_EVENT_KEY_CAPACITY = "soc"
Description
Defines the common event indicating a battery capacity change.
Since: 13
COMMON_EVENT_KEY_CHARGE_STATE
const char* COMMON_EVENT_KEY_CHARGE_STATE = "chargeState"
Description
Defines the common event indicating a charging status change.
Since: 13
COMMON_EVENT_KEY_PLUGGED_TYPE
const char* COMMON_EVENT_KEY_PLUGGED_TYPE = "pluggedType"
Description
Defines the common event indicating a plug type change.
Since: 13
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