harmony 鸿蒙Power Subsystem ChangeLog

2023-02-03
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Power Subsystem ChangeLog

cl.powermgr.1 Error Information Return Method Change of APIs

The following APIs used service logic return values to indicate error information, which did not comply with the error code specifications of OpenHarmony. Therefore, they are modified in API version 9 and later.

Power consumption statistics: @ohos.batteryStatistics
- Brightness: @ohos.brightness
- Power manager: @ohos.power
- RunningLock: @ohos.runningLock
- Thermal manager: @ohos.thermal

Asynchronous API: An error message is returned via AsyncCallback or the error object of Promise.

Synchronous API: An error message is returned via an exception.

Change Impacts

The application developed based on earlier versions needs to adapt the method for returning API error information. Otherwise, the original service logic will be affected.

Key API/Component Changes

Error code processing is added for the following APIs: - getBatteryStats(callback: AsyncCallback): void - getAppPowerValue(uid: number): number - getAppPowerPercent(uid: number): number - getHardwareUnitPowerValue(type: ConsumptionType): number - getHardwareUnitPowerPercent(type: ConsumptionType): number - setValue(value: number): void - shutdown(reason: string): void; - isActive(): boolean - wakeup(detail: string): void - suspend(): void - getPowerMode(): DevicePowerMode - setPowerMode(mode: DevicePowerMode, callback: AsyncCallback<void>): void - setPowerMode(mode: DevicePowerMode): Promise<void> - hold(timeout: number): void - isHolding(): boolean - unhold(): void - isSupported(type: RunningLockType): boolean - isSupported(type: RunningLockType): boolean - create(name: string, type: RunningLockType, callback: AsyncCallback<RunningLock>): void - create(name: string, type: RunningLockType): Promise<RunningLock> - registerThermalLevelCallback(callback: Callback<ThermalLevel>): void - unregisterThermalLevelCallback(callback?: Callback<void>): void - getLevel(): ThermalLevel

Adaptation Guide

For details, see the API reference document of each API.

cl.powermgr.2 System API Change

Change Impacts

The application developed based on earlier versions needs to adapt to new API names and the new method for returning API error information. Otherwise, the original service logic will be affected.

Key API/Component Changes

Bundle Name	Original API	New API
@ohos.power	shutdownDevice(reason: string): void	shutdown(reason: string): void
@ohos.power	rebootDevice(reason: string): void	reboot(reason: string): void
@ohos.power	wakeupDevice(detail: string): void	wakeup(detail: string): void
@ohos.power	suspendDevice(): void	suspend(): void