Sound not playing in iOS Simulator. No errors

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I have constructed some code that is supposed to play audio when a button is clicked. There are no errors in the code, but when I open the iOS Simulator and press the button, no sound plays. The button does the tap animation, but nothing happens. I have both the AVFoundation and AudioToolbox frameworks. I also have my audio file in resources. I am not using breakpoints. The button is set to use the 'playAudio:' first responder upon Touch Up Inside.

Here is my 'ViewController.h' file:

#import <UIKit/UIKit.h>
#import <AudioToolbox/AudioToolbox.h>
#import <AVFoundation/AVFoundation.h>

@interface ViewController : UIViewController

@property (strong, nonatomic) AVAudioPlayer *audioPlayer;
- (IBAction)playAudio:(id)sender;

@end

And here is my 'ViewController.m' file:

#import "ViewController.h"
#import <AVFoundation/AVFoundation.h>
#import <AudioToolbox/AudioToolbox.h>

@interface ViewController ()

@end

@implementation ViewController

- (IBAction)playAudio:(id)sender {
    AVAudioPlayer *audioPlayer;
    NSString *audioPath = [[NSBundle mainBundle] pathForResource:@"AudioFile" ofType:@"wav"];
    NSURL *audioURL = [NSURL fileURLWithPath:audioPath];
    audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:audioURL error:nil];
    [audioPlayer play];
    sleep(5);
};

-(void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}

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

The audio segment is about 3 seconds.

Any help is much appreciated! Thanks!

asked 42 secs ago

user3353592

6