Class Power

The Power class provides methods to control the power service.

Inheritance

Object

Power

Inherited Members

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: Tizen.System

Assembly: Tizen.System.dll

Syntax

public static class Power

Remarks

The Power API provides the way to control the power service. It can be made to hold the specific state to avoid the CPU state internally.

Privilege Level

public

Privilege

http://tizen.org/privilege/display

Methods

ReleaseCpuLock()

[Obsolete("Please do not use! this will be deprecated")]

Declaration

[Obsolete("Please do not use! This will be deprecated! Please use ReleaseLock instead!")]
public static void ReleaseCpuLock()

API Version

3

Exceptions

Type	Condition
UnauthorizedAccessException	If the privilege is not set.
InvalidOperationException	In case of any system error.

ReleaseLock(PowerLock)

Releases the lock state.

Declaration

public static void ReleaseLock(PowerLock type)

Parameters

Type	Name	Description
PowerLock	type	The power type to request lock.

API Version

5

Examples

Tizen.System.Power.ReleaseLock(Tizen.System.Power.PowerLock.Cpu);

Exceptions

Type	Condition
ArgumentException	When an invalid parameter value is set.
UnauthorizedAccessException	If the privilege is not set.
InvalidOperationException	In case of any system error.

RequestCpuLock(Int32)

[Obsolete("Please do not use! this will be deprecated")]

Declaration

[Obsolete("Please do not use! This will be deprecated! Please use RequestLock instead!")]
public static void RequestCpuLock(int timeout)

Parameters

Type	Name	Description
Int32	timeout	The positive number in milliseconds or 0 for the permanent lock. So you must release the permanent lock of the power state with ReleaseCpuLock() if timeout_ms is zero.

Remarks

If the process dies, then every lock will be removed.

API Version

3

Exceptions

Type	Condition
ArgumentException	When an invalid parameter value is set.
UnauthorizedAccessException	If the privilege is not set.
InvalidOperationException	In case of any system error.

RequestLock(PowerLock, Int32)

Locks the given lock state for a specified time. After the given timeout (in milliseconds), unlock the given lock state automatically.

Declaration

public static void RequestLock(PowerLock type, int timeout)

Parameters

Type	Name	Description
PowerLock	type	The power type to request lock.
Int32	timeout	The positive number in milliseconds or 0 for the permanent lock. So you must release the permanent lock of the power state with ReleaseLock() if timeout_ms is zero.

Remarks

If the process dies, then every lock will be removed.

API Version

5

Examples

Tizen.System.Power.RequestLock(Tizen.System.Power.PowerLock.Cpu, 2000);

Exceptions

Type	Condition
ArgumentException	When an invalid parameter value is set.
UnauthorizedAccessException	If the privilege is not set.
InvalidOperationException	In case of any system error.