gistfile1.m

- (void)nextQuizItem
{
     if (self.quizIndex == 999) {
        self.quizIndex = 0;
        self.statusLabel.text = @"";
    } else if ((self.quiz.quizCount-1) > self.quizIndex) {
        self.quizIndex++;
    } else {
        self.quizIndex = 0;
        self.statusLabel.text = @"";
    }
 
    if (self.quiz.quizCount >= self.quizIndex + 1) {
        [self.quiz nextQuestion:self.quizIndex];
        self.questionLabel.text = self.quiz.quote;
        self.answer1Label.text = self.quiz.ans1;
        self.answer2Label.text = self.quiz.ans2;
        self.answer3Label.text = self.quiz.ans3;
    } else {
        self.quizIndex = 0;
        [self quizDone];
    }
 
    // reset fields for next question
    self.answer1Label.backgroundColor = [UIColor colorWithRed:51/255.0 green:133/255.0 blue:238/255.0 alpha:1.0];
    self.answer2Label.backgroundColor = [UIColor colorWithRed:51/255.0 green:133/255.0 blue:238/255.0 alpha:1.0];
    self.answer3Label.backgroundColor = [UIColor colorWithRed:51/255.0 green:133/255.0 blue:238/255.0 alpha:1.0];
 
    self.answer1Button.hidden = NO;
    self.answer2Button.hidden = NO;
    self.answer3Button.hidden = NO;
}