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Store and get UIColor from .plist file

I've been searching for this for a while now with no success. My question is: is there an easy way to store and get UIColors such as [UIColor blackColor] or [UIColor colorWithRed:0.38 green:0.757 blue:1 alpha:1]; in a .plist file in my app directory?

[UIColor blackColor]

[UIColor colorWithRed:0.38 green:0.757 blue:1 alpha:1];

3 Answers
3

according to this discussion you have two options:

NSData option

NSData *theData = [NSKeyedArchiver archivedDataWithRootObject:[UIColor greenColor]];


NSString option

NSString *color = @"greenColor";
[UIColor performSelector:NSSelectorFromString(color)]


read more here: http://www.iphonedevsdk.com/forum/iphone-sdk-development/27335-setting-uicolor-plist.html

If you want to keep it human readabe,
I did a category for this:

@implementation UIColor (EPPZRepresenter)


NSString *NSStringFromUIColor(UIColor *color)
{
const CGFloat *components = CGColorGetComponents(color.CGColor);
return [NSString stringWithFormat:@"[%f, %f, %f, %f]",
components[0],
components[1],
components[2],
components[3]];
}

UIColor *UIColorFromNSString(NSString *string)
{
NSString *componentsString = [[string stringByReplacingOccurrencesOfString:@"[" withString:@""] stringByReplacingOccurrencesOfString:@"]" withString:@""];
NSArray *components = [componentsString componentsSeparatedByString:@", "];
return [UIColor colorWithRed:[(NSString*)components[0] floatValue]
green:[(NSString*)components[1] floatValue]
blue:[(NSString*)components[2] floatValue]
alpha:[(NSString*)components[3] floatValue]];
}


@end


The same formatting that is used by NSStringFromCGAffineTransform. This is actually a part of a bigger scale plist object representer in [eppz!kit at GitHub][1].

best and readable way in Objective-c is to save it as hex string like: "#1A93A8", then reload it by extern method;

in .h file:

extern UIColor *colorFromHEX(NSString *hex);


in .m file:

UIColor *colorFromHEX(NSString *hex){
NSString *stringColor = hex;
int red, green, blue;
sscanf([stringColor UTF8String], "#%02X%02X%02X", &red, &green, &blue);

UIColor *color = [UIColor colorWithRed:red/255.0 green:green/255.0 blue:blue/255.0 alpha:1];
return color;
}


in any where

NSDictionary *Config = [[NSDictionary alloc] initWithContentsOfFile:[NSBundle.mainBundle pathForResource:@"Config" ofType:@"plist"]];

UIColor *color = colorFromHEX( Config[@"color"] );


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