MPMoviePlayerController showing black screen in iOS 5 only - iphone

Question

I m downloading a aac file and playing it in MPMoviePlayerController with following code
movieController = [[MPMoviePlayerController alloc] initWithContentURL:[NSURL fileURLWithPath:self.filePath]];
[self.view addSubview:movieController.view];
CGRect screenBound = [[UIScreen mainScreen] bounds];
CGSize screenSize = screenBound.size;
movieController.view.frame = CGRectMake(0,0,screenSize.width, screenSize.height);
[movieController setFullscreen:YES];
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(doneBtnMediaPlayer:) name:MPMoviePlayerWillExitFullscreenNotification object:nil];
movieController is (nonatomic,strong) class property
this works fine in all iOSes except iOS 5 (and iOS 5 simulator).
In iOS 5 it shows black screen and file is played in background.
Another thing i have noticed is, when i run application over already existing app then its works fine on iOS5 also. But when i delete app from device and then run it, at that time it just shows black screen.

Answer 1

See if this helps:
this is your header (.h) file
#import
#import
#interface ViewController : UIViewController
#property(nonatomic,retain)MPMoviePlayerViewController *playerController;
#end
and this is your implementation file (.m)
#import "ViewController.h"
#interface ViewController ()
#end
#implementation ViewController
#synthesize playerController;
- (void)viewDidLoad
{
[super viewDidLoad];
NSURL *url = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:#"gold etche" ofType:#"mov"]];
playerController = [[MPMoviePlayerViewController alloc]initWithContentURL:url];
[self presentMoviePlayerViewControllerAnimated:playerController];
[self.view insertSubview:playerController.view atIndex:0];
playerController.moviePlayer.movieSourceType = MPMovieSourceTypeFile;
playerController.moviePlayer.controlStyle = MPMovieControlStyleDefault;
playerController.moviePlayer.scalingMode = MPMovieScalingModeNone;
[playerController.moviePlayer play];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
#end
I tested this in IOS 5 (5.0 AND 5.1) AND IOS 6 AND EVERYTHING SEEMS TO BE FINE