How to save a rating control value? - ios

Question

I am playing around with DYRateView....a control at the end of a long list of controls I've tried out. It can be found here: https://github.com/dyang/DYRateView
The problem with all the controls I've tried is that I can't seem to save the rating once it's been changed. I'm using NSUserDefaults and have tried placing it in various places including where the value changes, where the view is set up, in viewDidLoad, in viewWillAppear, within the source code itself. Saving this value just has me flummoxed. I would appreciate any help. Just to get a sense of how this should work, I've just been working in the sample code that came with DYRateView. Here is the relevant code:
THE .M FILE
#import "DemoViewController.h"
#interface DemoViewController ()
- (void)setUpEditableRateView;
#end
#implementation DemoViewController
- (void)viewDidLoad
{
[super viewDidLoad];
[[NSUserDefaults standardUserDefaults] integerForKey:#"rating"];
[self setUpEditableRateView];
}
- (void)setUpEditableRateView {
DYRateView *rateView = [[DYRateView alloc] initWithFrame:CGRectMake(0, 40, self.view.bounds.size.width, 20) fullStar:[UIImage imageNamed:#"StarFullLarge.png"] emptyStar:[UIImage imageNamed:#"StarEmptyLarge.png"]];
rateView.padding = 20;
rateView.alignment = RateViewAlignmentCenter;
rateView.editable = YES;
rateView.delegate = self;
[self.view addSubview:rateView];
[rateView release];
}
- (void)rateView:(DYRateView *)rateView changedToNewRate:(NSNumber *)rate {
self.rateLabel.text = [NSString stringWithFormat:#"Rate: %d", rate.intValue];
[[NSUserDefaults standardUserDefaults] setInteger:rate forKey:#"rating"];
[[NSUserDefaults standardUserDefaults] synchronize];
}
#end
Thanks to anyone who takes the time!

Answer 1

You are trying to save an NSNumber as an NSInteger. You should do [[NSUserDefaults standardUserDefaults] setInteger:[rate integerValue] forKey:#"rating"]; or use - setObject:forKey: because NSNumber is an object, not a scalar.

Answer 2

You are getting rating valuea at: [[NSUserDefaults standardUserDefaults] integerForKey:#"rating"]; but what are you doing with this value?
I think that you need to get this value and set to DYRateView. So:
Create a property of DYRateView: #property DYRateView * rateView
Set it on setUpEditableRateView: self.rateView = [[DYRateView alloc] initWithFrame:CGRectMake(0, 40, self.view.bounds.size.width, 20) fullStar:[UIImage imageNamed:#"StarFullLarge.png"] emptyStar:[UIImage imageNamed:#"StarEmptyLarge.png"]];
Update self.rateView (add it to end of setUpEditableRateView): rateView.rate = [[NSUserDefaults standardUserDefaults] integerForKey:#"rating"]