首页 \ 问答 \ 在NSUserDefault中恢复值(Restoring value in NSUserDefault)

在NSUserDefault中恢复值(Restoring value in NSUserDefault)

我已经使用NSUserDefault存储了我的初始设置值,就像这样......

NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

[defaults setBool:is_remember_chkd forKey:remember_me.titleLabel.text]; // Button text as key
[defaults setBool:is_signin_auto_chkd forKey:signin_automatic.titleLabel.text];
[defaults setBool:is_signin_secret_chkd forKey:signin_secret.titleLabel.text];
[defaults synchronize];

我检索了......

NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
is_remember_chkd = [defaults objectForKey:remember_me.titleLabel.text];
is_signin_auto_chkd = [defaults objectForKey:signin_automatic.titleLabel.text];
is_signin_secret_chkd = [defaults objectForKey:signin_secret.titleLabel.text];

但我没有得到最后的价值,我做错了什么。


I have stored my initial set up values using NSUserDefault like this...

NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

[defaults setBool:is_remember_chkd forKey:remember_me.titleLabel.text]; // Button text as key
[defaults setBool:is_signin_auto_chkd forKey:signin_automatic.titleLabel.text];
[defaults setBool:is_signin_secret_chkd forKey:signin_secret.titleLabel.text];
[defaults synchronize];

And I retrieved as ....

NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
is_remember_chkd = [defaults objectForKey:remember_me.titleLabel.text];
is_signin_auto_chkd = [defaults objectForKey:signin_automatic.titleLabel.text];
is_signin_secret_chkd = [defaults objectForKey:signin_secret.titleLabel.text];

But I am not getting the last value, Am I doing anything wrong.


原文:https://stackoverflow.com/questions/12209764
更新时间:2020-03-21 00:09

最满意答案

要检索NSUserDefaults Value,请将objectForKey替换为boolForKey。

NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
is_remember_chkd = [defaults boolForKey:remember_me.titleLabel.text];
is_signin_auto_chkd = [defaults boolForKey:signin_automatic.titleLabel.text];
is_signin_secret_chkd = [defaults boolForKey :signin_secret.titleLabel.text];

For retrieved the NSUserDefaults Value , replace the objectForKey to boolForKey .

NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
is_remember_chkd = [defaults boolForKey:remember_me.titleLabel.text];
is_signin_auto_chkd = [defaults boolForKey:signin_automatic.titleLabel.text];
is_signin_secret_chkd = [defaults boolForKey :signin_secret.titleLabel.text];
2012-08-31

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