Any problems with this code?

Hi,

I'm pulling my hair out trying to figure out why my label and button text aren't being set.

The following code is an extract from my QuizViewController.m file.

Q is a label (NSString) <IBOutlet>
btnA, btnB, btnC are round rect buttons <IBOutlet>
currentQuestion is a property (NSSring object)

currentQuestion was set as @"Q1" by the prepareForSegue method from the previous viewController.

Code:

NSMutableDictionary *questions;
NSMutableDictionary *answers;

- (void)viewDidLoad
{
    [super viewDidLoad];

    [questions setObject:@"A 57 year old male presented to the out of hours GP service having splashed a oven cleaner in his left eye. His work colleagues irrigated his eye in the sink and have driven him promptly to see you. After instillation of proxymetacaine, his visual acuity was 6/9." forKey:@"Q1"];
    
    [answers setObject:@"Fax a referral and send the patient home." forKey:@"1A"];
    [answers setObject:@"Start chloramphenicol and  arrange Ophthalmic follow up in the morning." forKey:@"1B"];
    [answers setObject:@"Irrigate the eye copiously checking PH every 15-30 minutes." forKey:@"1C"];
    
    Q.text = [questions objectForKey:currentQuestion];
    
    Answer *a1 = [[Answer alloc] init];
    
    a1.answerA = [answers objectForKey:@"1A"];
    a1.answerB = [answers objectForKey:@"1B"];
    a1.answerC = [answers objectForKey:@"1C"];
    
    [btnA setTitle:[Answer.answerA] forState:UIControlStateNormal];
    [btnB setTitle:[Answer.answerB] forState:UIControlStateNormal];
    [btnC setTitle:[Answer.answerC] forState:UIControlStateNormal];
}

The compiler is saying that there is no property answerA in class Answer WHEN THERE IS!

Also, the build will success if I replace Answer.answerA with a direct string, but when testing, the labels and buttons do appear empty.

PLEASE help.

Thanks
Rob

 

Ok, silly mistake.

I still have the problem of my labels/buttons not updating with text.

 

Thank for this basic but sound advice. I wrote some NSLog functions and discovered that the labels were in fact nil. The mutable dictionaries first needed to be initialised with a capacity of 1.

Thanks

 

Thanks

A small point. But what I've noticed with programming so far, is that he small stuff matters!

 

Not quite

No, you misunderstand. What I mean is, you have pointed out a small fact to me (not needing to specify capacity), which is a valuable fact. I will remember it.

The devil is in the detail.