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iOS Build a Simple iPhone App (iOS7) Refactoring into a Model Creating a Custom Class

Posted by Evi Shiakolas
Evi Shiakolas
4,627 Points

Custom Class

I'm not sure what I'm doing wrong because my code seems to work in Xcode: .h:

@interface Quote : NSObject

// Add property here @property (strong, nonatomic) NSArray *quotes;

  • (NSString *) randomQuote;

@end

.m:

import "Quote.h"

@implementation Quote

-(NSArray *) quotes { if (_quotes == nil) { _quotes = [[NSArray alloc] initWithObjects:@"one", @"two", @"three", nil];

} return _quotes; }

(NSString *) randomQuote { int random = arc4random_uniform (self.quotes.count); return [self.quotes objectAtIndex:random];}

@end

Any tips?

1 Answer

Chris Shaw
Chris Shaw
26,676 Points
Chris Shaw
Chris Shaw
26,676 Points

Hi Evi,

Based on the code you posted it will fail as your interface has the property references on the same line as a comment, it should be the below.

@interface Quote : NSObject

// Add property here
@property (strong, nonatomic) NSArray *quotes;
-(NSString *) randomQuote;

@end

You were also missing the hyphen before your randomQuote method.

@implementation Quote

-(NSArray *) quotes {
    if (_quotes == nil) {
        _quotes = [[NSArray alloc] initWithObjects:@"one", @"two", @"three", nil];
    }

    return _quotes;
}

-(NSString *) randomQuote {
    int random = arc4random_uniform(self.quotes.count);
    return [self.quotes objectAtIndex:random];
}

@end