NSUserDefaults 保存颜色

1、保存

　　CGFloat a = random()%255/255.0;

     CGFloat b = random()%255/255.0;

     CGFloat c = random()%255/255.0;

     UIColor *textDefaultColor = [UIColor colorWithRed:a green:b blue:c alpha:1 ];

     CGColorRef colorRef = textDefaultColor.CGColor;

     NSString *colorStr = [CIColor colorWithCGColor:colorRef].stringRepresentation;

    [[NSUserDefaults standardUserDefaults] setObject:colorStr forKey:@"color"];

    [[NSUserDefaults standardUserDefaults] synchronize];

 

2、读取

 　NSString *colorStr = [[NSUserDefaults standardUserDefaults] objectForKey:@"color"];

    CIColor *colorRef = (CIColor *)[CIColor colorWithString:colorStr];

    self.view.backgroundColor = [UIColor colorWithCIColor:colorRef];