That sounds like a problem related with your computer. What kind of computer do you use?

A Macbook Pro purchased in 2011 running Maverick OSX

sorry don'd mind the things i commented out just to help myself learn the different ways of doing things

/ KTSViewController.h // CrystalBall // // Created by Keith Selvin on 5/15/14. // Copyright (c) 2014 Keith Selvin. All rights reserved. //

// interface

import <UIKit/UIKit.h>

@class KTSCrystalBall;

@interface KTSViewController : UIViewController

@property (strong, nonatomic) IBOutlet UILabel *predictionLabel; @property (strong, nonatomic) KTSCrystalBall *crystallBall;

//weak: claim no ownership, system can deallocate from memory whenever neccessary

//- (IBAction)buttonPressed; //drag action from storyboard window

• (void) makePrediction;

@property (strong, nonatomic) IBOutlet UIImageView *backgroundImageView; @end

// // KTSViewController.m // CrystalBall // // Created by Keith Selvin on 5/15/14. // Copyright (c) 2014 Keith Selvin. All rights reserved. //

import "KTSViewController.h"

import "KTSCrystalBall.h"

@interface KTSViewController ()

@end

@implementation KTSViewController

• (void)viewDidLoad { [super viewDidLoad];

  self.crystallBall = [[KTSCrystalBall alloc] init]; self.backgroundImageView.animationImages = [[NSArray alloc] initWithObjects: [UIImage imageNamed:@"CB00001"], [UIImage imageNamed:@"CB00002"], [UIImage imageNamed:@"CB00003"], [UIImage imageNamed:@"CB00004"], [UIImage imageNamed:@"CB00005"], [UIImage imageNamed:@"CB00006"], [UIImage imageNamed:@"CB00007"], [UIImage imageNamed:@"CB00008"], [UIImage imageNamed:@"CB00009"], [UIImage imageNamed:@"CB00010"], [UIImage imageNamed:@"CB00011"], [UIImage imageNamed:@"C0B0012"], [UIImage imageNamed:@"CB00013"], [UIImage imageNamed:@"CB00014"], [UIImage imageNamed:@"CB00015"], [UIImage imageNamed:@"CB00016"], [UIImage imageNamed:@"CB00017"], [UIImage imageNamed:@"CB00018"], [UIImage imageNamed:@"CB00019"], [UIImage imageNamed:@"CB00020"], [UIImage imageNamed:@"CB00021"], [UIImage imageNamed:@"CB00022"], [UIImage imageNamed:@"CB00023"], [UIImage imageNamed:@"CB00024"], [UIImage imageNamed:@"CB00025"], [UIImage imageNamed:@"CB00026"], [UIImage imageNamed:@"CB00027"], [UIImage imageNamed:@"CB00028"], [UIImage imageNamed:@"CB00029"], [UIImage imageNamed:@"CB00030"], [UIImage imageNamed:@"CB00031"], [UIImage imageNamed:@"CB00032"], [UIImage imageNamed:@"CB00033"], [UIImage imageNamed:@"CB00034"], [UIImage imageNamed:@"CB00035"], [UIImage imageNamed:@"CB00036"], [UIImage imageNamed:@"CB00037"], [UIImage imageNamed:@"CB00038"], [UIImage imageNamed:@"CB00039"], [UIImage imageNamed:@"CB00040"], [UIImage imageNamed:@"CB00041"], [UIImage imageNamed:@"CB00042"], [UIImage imageNamed:@"CB00043"], [UIImage imageNamed:@"CB00044"], [UIImage imageNamed:@"CB00045"], [UIImage imageNamed:@"CB00046"], [UIImage imageNamed:@"CB00047"], [UIImage imageNamed:@"CB00048"], [UIImage imageNamed:@"CB00049"], [UIImage imageNamed:@"CB00050"], [UIImage imageNamed:@"CB00051"], [UIImage imageNamed:@"CB00052"], [UIImage imageNamed:@"CB00053"], [UIImage imageNamed:@"CB00054"], [UIImage imageNamed:@"CB00055"], [UIImage imageNamed:@"CB00056"], [UIImage imageNamed:@"CB00057"], [UIImage imageNamed:@"CB00058"], [UIImage imageNamed:@"CB00059"], [UIImage imageNamed:@"CB00060"], nil]; self.backgroundImageView.animationDuration = 2.5f; self.backgroundImageView.animationRepeatCount = 1;

  //instead of using view controller // UIImage *backgroundImage = [UIImage imageNamed:@"background"]; //UIImageView *imageView = [[UIImageView alloc] initWithImage: backgroundImage]; //[self.view insertSubview: imageView atIndex:0];

  // Do any additional setup after loading the view, typically from a nib.

}

//- (void) viewDidAppear:(BOOL)animated{ // [super viewDidAppear:animated];

//CGRect frame = self.predictionLabel.frame;     // moves label
//self.predictionLabel.frame = CGRectMake(frame.origin.x, 200, frame.size.width, frame.size.height);

//}

• (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. }

• (IBAction)buttonPressed {

  //allocates space in memory for objects to store

//NSLog(@"Button Pressed"); //NSS log displays text in console

 self.predictionLabel.text = [self.crystallBall randomPrediction];

 //self: instance of viewController
// predictionLabel: name of property, has text method

}

pragma mark - Prediction

• (void) makePrediction{ [self.backgroundImageView startAnimating]; self.predictionLabel.text = [self.crystallBall randomPrediction]; }

pragma mark - Motion Events

• (void) motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event { self.predictionLabel.text = nil; }

• (void) motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event {

  if (motion == UIEventSubtypeMotionShake){ [self makePrediction]; }

}

• (void) motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event { NSLog(@"motion cancelled"); }

pragma mark - Touch Events

• (void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { self.predictionLabel.text = nil; }

• (void) touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { [self makePrediction]; }

• (void) touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event { NSLog(@"touches cancelled"); }

@end