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iOS

Posted by Mathieu De Haeck
Mathieu De Haeck
5,645 Points

Photo bombers: get the number of likes and set it to the button title

// Number of likes
    NSString *likes = [_photo valueForKeyPath:@"likes.count"];
    [self.likesButton setTitle:likes forState:UIControlStateNormal];
    NSLog(@"%@", likes);

I can log the number of likes, but when i set is to the button title i get the following error:

-[__NSCFNumber length]: unrecognized selector sent to instance 0x8f1b430

2 Answers

Stone Preston
Stone Preston
42,016 Points

are you sure that the "likes.count" returns a string and not an NSNumber? try using this perhaps:

NSNumber *likesNumber = [_photo valueForKeyPath:@"likes.count"];
NSString *likes = [likesNumber stringValue];
[self.likesButton setTitle:likes forState:UIControlStateNormal];
Mathieu De Haeck
Mathieu De Haeck
5,645 Points

Thanks! I already thought it was an NSNumber. Just didn't know how to convert it to an NSString.

Mcgerald Lezeau
Mcgerald Lezeau
7,096 Points
Mcgerald Lezeau
Mcgerald Lezeau
7,096 Points

NSString *likesCount = [[NSString alloc] initWithFormat:@"%@", _photo[@"likes"][@"count"]]; [self.likesButton setTitle:likesCount forState:UIControlStateNormal];

works to for me what would be the difference