Android系统中的locksettings命令

分类：Android, Android, Java, Operating System 阅读 (3,445)

3月 202020

转载请注明原文地址：http://bcoder.com/java/locksettings-command-in-android-system

本文基于Android8.1系统

进入Android系统的命令行控制台，可以通过locksettings命令来设置锁屏的一些选项，比如开启或者禁止锁屏，设置密码等

命令行的帮助如下：

usage: locksettings set-pattern [--old OLD_CREDENTIAL] NEW_PATTERN
       locksettings set-pin [--old OLD_CREDENTIAL] NEW_PIN
       locksettings set-password [--old OLD_CREDENTIAL] NEW_PASSWORD
       locksettings clear [--old OLD_CREDENTIAL]
       locksettings verify [--old OLD_CREDENTIAL]
       locksettings set-disabled DISABLED
       locksettings get-disabled

flags: 
       --user USER_ID: specify the user, default value is current user

locksettings set-pattern: sets a pattern
    A pattern is specified by a non-separated list of numbers that index the cell
    on the pattern in a 1-based manner in left to right and top to bottom order,
    i.e. the top-left cell is indexed with 1, whereas the bottom-right cell
    is indexed with 9. Example: 1234

locksettings set-pin: sets a PIN

locksettings set-password: sets a password

locksettings clear: clears the unlock credential

locksettings verify: verifies the credential and unlocks the user

locksettings set-disabled: sets whether the lock screen should be disabled

locksettings get-disabled: retrieves whether the lock screen is disabled

usage: locksettings set-pattern [--old OLD_CREDENTIAL] NEW_PATTERN

locksettings set-pin [--old OLD_CREDENTIAL] NEW_PIN

locksettings set-password [--old OLD_CREDENTIAL] NEW_PASSWORD

locksettings clear [--old OLD_CREDENTIAL]

locksettings verify [--old OLD_CREDENTIAL]

locksettings set-disabled DISABLED

locksettings get-disabled

flags:

--user USER_ID: specify the user, default value is current user

locksettings set-pattern: sets a pattern

A pattern is specified by a non-separated list of numbers that index the cell

on the pattern in a 1-based manner in left to right and top to bottom order,

i.e. the top-left cell is indexed with 1, whereas the bottom-right cell

is indexed with 9. Example: 1234

locksettings set-pin: sets a PIN

locksettings set-password: sets a password

locksettings clear: clears the unlock credential

locksettings verify: verifies the credential and unlocks the user

locksettings set-disabled: sets whether the lock screen should be disabled

locksettings get-disabled: retrieves whether the lock screen is disabled

命令举例如下：

允许锁屏

locksettings set-disabled DISABLED

默认不锁屏

locksettings set-disabled true

这个命令对应的系统源码在下面这个文件中：

frameworks/base/services/core/java/com/android/server/locksettings/LockSettingsShellCommand.java

1	frameworks/base/services/core/java/com/android/server/locksettings/LockSettingsShellCommand.java

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