Notes

//
// BNRViewController.m
// Quiz
//
// Created by Michael Ward on 5/9/12.
// Copyright (c) 2012 Big Nerd Ranch, Inc. All rights reserved.
//

#import "BNRViewController.h"

@implementation BNRViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {

// Create two arrays and make the pointers point to them
questions = [NSMutableArray array];
answers = [NSMutableArray array];

// Add questions and answers to the arrays
[questions addObject:@"From what is cognac made?"];
[answers addObject:@"Grapes"];

[questions addObject:@"What is 7 + 7?"];
[answers addObject:@"14"];

[questions addObject:@"What is the capital of Vermont?"];
[answers addObject:@"Montpelier"];

}
return self;
}

- (IBAction)showQuestion:(id)sender
{
// Step to the next question
currentQuestionIndex++;

// Am I past the last question?
if (currentQuestionIndex == [questions count]) {
// If so, go back to the first question
currentQuestionIndex = 0;
}

// Get the string in the current index of the questions array
NSString *question = [questions objectAtIndex:currentQuestionIndex];

// Output the question string to the debug console
NSLog(@"Displaying question: %@",question);

// Display the string in the question text field
[questionField setText:question];

// Clear the answer text field
[answerField setText:@"???"];
}

- (IBAction)showAnswer:(id)sender
{
// Get the string in the current index of the answers array
NSString *answer = [answers objectAtIndex:currentQuestionIndex];

// Display the answer string in the answer text field
[answerField setText:answer];
}
@end