程序包 ohos.miscservices.screenlock

类 ScreenLockController

java.lang.Object

ohos.miscservices.screenlock.ScreenLockController

public class ScreenLockController
extends Object

Provides methods to control the screen lock and query the lock status.

Your application can call the methods to unlock the device screen and check whether the screen is locked or unlocked.

从以下版本开始:

3

SystemCapability

SystemCapability.Miscservices#SCREENLOCK

方法概要

限定符和类型	方法	说明
static ScreenLockController	getInstance()	Obtains the ScreenLockController singleton instance.
boolean	isScreenLocked()	Checks whether the screen is currently locked.
boolean	isSecureMode()	Checks whether the screen lock of the current device is secure.
void	unlockScreen(Context abilityContext, UnlockScreenCallback callback)	Unlocks the screen.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料

getInstance

public static ScreenLockController getInstance()

Obtains the ScreenLockController singleton instance.

Before calling any ScreenLockController method, you must call this method to obtain an instance. Each application process has only one ScreenLockController instance.

返回:

Returns the instance.

从以下版本开始:

3

isScreenLocked

public boolean isScreenLocked()

Checks whether the screen is currently locked.

返回:

Returns true if the device screen is locked; returns false otherwise.

从以下版本开始:

3

unlockScreen

public void unlockScreen(Context abilityContext,
                         UnlockScreenCallback callback)

Unlocks the screen.

If the device screen is currently locked, call this method to unlock the screen.

参数:

abilityContext - Indicates the application ability context.

callback - Indicates the callback invoked when the screen is unlocked.

从以下版本开始:

3

isSecureMode

public boolean isSecureMode()

Checks whether the screen lock of the current device is secure.

The secure screen lock means that unlocking the screen requires a password, fingerprint ID, face recognition, or other identification of the user.

返回:

Returns true if the screen lock is secure; returns false otherwise.

从以下版本开始:

4