user-preferences | 易学教程

How to register user defaults using NSUserDefaults without overwriting existing values?

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I have an AppDelegate class with +(void)initialize method that I use to register some defaults. Here's the code that I use: + (void)initialize { NSDictionary *defaults = [NSDictionary dictionaryWithObjectsAndKeys:@"NO", @"fooKey", @"YES", @"barKey", nil]; [[NSUserDefaults standardUserDefaults] registerDefaults:defaults]; } I also created Preferences.xib which holds couple of checkboxes ( NSButton ) that display status of preferences. They are bound to NSUserDefaultsController with same keys (fooKey and barKey in this case). Each time I launch an app and change the "defaults" they are restored

How to get programmatically the data usage limit set by user on Android OS configuration?

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问题 User can define at Data Usage screen a limite and/or a warning limit for mobile data usage. So how can I get this information by code? Screen of Data Usage configuration of native OS. I wanna the limit value and warning value. I've already tried this but not work and always return NULL to both: final Long recommendedBytes = DownloadManager.getRecommendedMaxBytesOverMobile( this.context ); final Long maximumBytes = DownloadManager.getMaxBytesOverMobile( this.context ); // recommendedBytes and

How to register user defaults using NSUserDefaults without overwriting existing values?

阅读更多关于 How to register user defaults using NSUserDefaults without overwriting existing values?

问题 I have an AppDelegate class with +(void)initialize method that I use to register some defaults. Here's the code that I use: + (void)initialize { NSDictionary *defaults = [NSDictionary dictionaryWithObjectsAndKeys:@"NO", @"fooKey", @"YES", @"barKey", nil]; [[NSUserDefaults standardUserDefaults] registerDefaults:defaults]; } I also created Preferences.xib which holds couple of checkboxes ( NSButton ) that display status of preferences. They are bound to NSUserDefaultsController with same keys

Vista/7: How to get glass color?

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How do you use DwmGetColorizationColor ? The documentation says it returns two values: a 32-bit 0xAARRGGBB containing the color used for glass composition a boolean parameter that is true "if the color is an opaque blend" ( whatever that means ) Here's a color that i like, a nice puke green: You can notice the color is greeny, and the translucent title bar (against a white background) shows the snot color very clearly: i try to get the color from Windows: DwmGetColorizationColor(dwCcolorization, bIsOpaqueBlend); And i get dwColorization: 0x0D0A0F04 bIsOpaqueBlend: false According to the