我的应用程序启动时要做的第一件事就是为其设置注册默认值:
// Load default defaults
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults registerDefaults:[NSDictionary dictionaryWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Defaults" ofType:@"plist"]]];
[defaults synchronize];
Defaults.plist 看起来像这样:
<key>WorkingHoursFriday</key>
<integer>28800</integer>
<key>WorkingHoursMonday</key>
<integer>28800</integer>
<key>WorkingHoursSaturday</key>
<integer>0</integer>
转储默认字典时,稍后会显示正确的值:
WorkingHoursFriday = 28800;
WorkingHoursMonday = 28800;
WorkingHoursSaturday = 0;
当使用等检索它们时,也会返回正确的值[defaults floatForKey:@"WorkingHoursSaturday"];
。
但是,“设置”应用显示这些设置的错误时间。这是我在 Settings.bundle 中的 Root.plist 的一部分:
<dict>
<key>Type</key>
<string>PSMultiValueSpecifier</string>
<key>Title</key>
<string>Monday</string>
<key>Key</key>
<string>WorkingHoursMonday</string>
<key>DefaultValue</key>
<integer>28800</integer>
<key>Titles</key>
<array>
<string>Free</string>
<string>8 Hours</string>
...
</array>
<key>Values</key>
<array>
<integer>0</integer>
<integer>28800</integer>
...
</array>
</dict>
<dict>
<key>Type</key>
<string>PSMultiValueSpecifier</string>
<key>Title</key>
<string>Friday</string>
<key>Key</key>
<string>WorkingHoursFriday</string>
<key>DefaultValue</key>
<integer>28800</integer>
<key>Titles</key>
<array>
<integer>Free</integer>
<integer>8 Hours</integer>
...
</array>
</dict>
<dict>
<key>Type</key>
<string>PSMultiValueSpecifier</string>
<key>Title</key>
<string>Saturday</string>
<key>Key</key>
<string>WorkingHoursSaturday</string>
<key>DefaultValue</key>
<integer>28800</integer>
<key>Titles</key>
<array>
<string>Free</string>
<string>8 Hours</string>
...
</array>
<key>Values</key>
<array>
<integer>0</integer>
<integer>28800</integer>
...
</array>
</dict>
这是设置应用程序的屏幕截图。WorkingHoursSaturday 设置为 0,但设置表仍显示 8 小时:
我错过了什么?
编辑:一旦我在代码中设置了 WorkingHoursSaturday,通过调用[defaults setInteger:0 forKey:@"WorkingHoursSaturday"];
Settings.app 显示正确的值。也许调用registerDefaults
不正确?