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

Simon Kaczmarek
Simon Kaczmarek
1,734 Points
Posted by Simon Kaczmarek
Simon Kaczmarek
1,734 Points

Need assistance

I am having a problem passing the Stage 4 "Refactoring into a model" test, step two. Can't see what is wrong with my code

<

import "Quote.h"

@implementation Quote

  • (NSArray *) quotes { if (_quotes == nil){ _quotes = [[NSArray alloc] initWithObjects:@"One ", @"Two ", @"Three?", nil];

    } return _quotes; }

@end

2 Answers

Holger Liesegang
Holger Liesegang
50,595 Points
Holger Liesegang
Holger Liesegang
50,595 Points

Hi Simon,

you're just missing a "-" before the (NSArray *) - everything else is ok :)

-(NSArray *) quotes {
   if (_quotes == nil) {
       _quotes = [[NSArray alloc] initWithObjects:@"One ", @"Two ", @"Three?", nil];
   }
  return _quotes;
}

so the complete version for Challenge task 2 of 3 ["Switch to the implementation file and implement a 'quotes' method which will allocate and initialize the _quotes instance variable only if it is 'nil'. Initialize the array with any three strings."] would be:

#import "Quote.h"

@implementation Quote

-(NSArray *) quotes {
   if (_quotes == nil) {
       _quotes = [[NSArray alloc] initWithObjects:@"One ", @"Two ", @"Three?", nil];
   }
  return _quotes;
}

- (NSString *) randomQuote {

    return @"Some Quote";
}

@end

Also the shorter literals version - which you of course can use too - for

 _quotes = [[NSArray alloc] initWithObjects:@"One ", @"Two ", @"Three?", nil];

would be like

_quotes = @[@"One",@"Two",@"Three?"];

There's a great video here in the forum section on the right "Tips for asking questions" that might help you with posting your questions and code on the forum.

Simon Kaczmarek
Simon Kaczmarek
1,734 Points
Simon Kaczmarek
Simon Kaczmarek
1,734 Points

Thank you for helping me - and yes, I need to see that video about posting code. Once again, thank you.