Save/Load UIColor User Choice Defaults

Question

As you can see from the screenshot below I have a countdown clock that I am allowing the user to change the color of buttons and labels on the UI. My problem is, is that I want the user to be able save their color settings, however I cannot figure out placement and order. I understand this question has been answered here: Saving UIColor to and loading from NSUserDefaults.

However, I guess I'm not "getting it" and need the extra help. So each of the colors on the screenshot below have coding like this:

-(IBAction)red
{
    [_enterDateOutlet setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
    [_backButtonOutlet setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
    _yearsLabel.textColor = [UIColor redColor];
    _daysLabel.textColor = [UIColor redColor];
    _hoursLabel.textColor = [UIColor redColor];
    _minLabel.textColor = [UIColor redColor];
    _secLabel.textColor = [UIColor redColor];
    minuteProgessView.theme.labelColor = [UIColor redColor];
    secondProgessView.theme.labelColor = [UIColor redColor];
    hourProgessView.theme.labelColor = [UIColor redColor];
    dayProgessView.theme.labelColor = [UIColor redColor];
    yearProgessView.theme.labelColor = [UIColor redColor];
}

My question is do I put this code at the end of each Color Action button (I have 7 colors)?

NSData *colorData = [NSKeyedArchiver archivedDataWithRootObject: color];
[[NSUserDefaults standardUserDefaults] setObject:colorData forKey:@"color1"];

Because that's what I figured I was supposed to do, and then I added this to my View Did Load Method:

NSData *colorData = [[NSUserDefaults standardUserDefaults] objectForKey:@"myColor"];
UIColor *color = [NSKeyedUnarchiver unarchiveObjectWithData:colorData];

And the result a red error, because "color" was undeclared identifier.

I would really appreciate the help, I'm new to this and I've spent the last 2 hours trying to figure this out. Thank you.

Answer 1

I think you can do something like this. Create a method that will call a function to set color and pass the color to it. In this method u will save the color to user defaults. When the user comes back to the app in viewDidLoad it will retrieve the color and set it. My Xcode is crashing at the moment so i can't run it. Let me know if this is what you are looking for.

-(IBAction)red
{

    [self setAllTo:[UIColor redColor]];
}
-(IBAction)green
    {

        [self setAllTo:[UIColor greenColor]];
    }

-(void)setAllTo:(UIColor *)color
{
    [_enterDateOutlet setTitleColor:color forState:UIControlStateNormal];
        [_backButtonOutlet setTitleColor:color forState:UIControlStateNormal];
        _yearsLabel.textColor = color;
        _daysLabel.textColor = color;
        _hoursLabel.textColor = color;
        _minLabel.textColor = color;
        _secLabel.textColor = color;
        minuteProgessView.theme.labelColor = color;
        secondProgessView.theme.labelColor = color;
        hourProgessView.theme.labelColor = color;
        dayProgessView.theme.labelColor = color;
        yearProgessView.theme.labelColor = color;
        NSData *colorData = [NSKeyedArchiver archivedDataWithRootObject:color];
        [[NSUserDefaults standardUserDefaults] setObject:colorData forKey:@"myColor"];
        [[NSUserDefaults standardUserDefaults] synchronize]         
    }
}

- (void)viewDidLoad
{
    [super viewDidLoad];

    NSData *colorData = [[NSUserDefaults standardUserDefaults] objectForKey:@"myColor"];
    UIColor *color = [NSKeyedUnarchiver unarchiveObjectWithData:colorData];
    if(color){
          [self setAllTo:color];
    }else{
         [self setAllTo:[UIColor whiteColor]]; //default color
    }
}