以编程方式更改屏幕锁定超时 [英] Programmatically changing screen lock timeout

问题描述

在我的Cocoa应用程序中，我想访问和更改计算机的屏幕锁定超时设置.在系统偏好设置"中进行更改不需要用户输入管理员密码.

In my Cocoa application I would like to access and change the computer's screen lock timeout setting. Changing it in System Preferences does not require the user to enter the admin password.

不幸的是，我在文档中找不到任何信息，而且我不确定应该关注哪个主题(安全设置/prefPane编程).
任何帮助将不胜感激.

Unfortunately I couldn't find any information in the documentation, and I'm not sure what topic I should look into (security settings / prefPane programming).
Any help would be appreciated.

推荐答案

NSMutableDictionary* plistDict = [[NSMutableDictionary alloc] initWithContentsOfFile:@"/Users/new/Library/Preferences/com.apple.screensaver.plist"];
[plistDict setObject:@"1" forKey:@"askForPassword"];
[plistDict setObject:@"3600" forKey:@"askForPasswordDelay"];
[plistDict writeToFile:@"/Users/new/Library/Preferences/com.apple.screensaver.plist" atomically:YES];  

或从终端

defaults write com.apple.screensaver askForPasswordDelay 5

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