Instruments is saying I have a leak from playing my intro movie. When I click
on the stack trace it brings me to the second piece of code
(-[moviePlaybackDidFinish:]), which is called as a consequence of the
notification handler setup in the first piece of code
(-[application:didFinishLaunchingWithOptions:].
This code makes the following assumptions:
1. I don't have to keep a reference to the created controller because it will
be returned to me in the notification handler.
2. The reference count for the MPMoviePlayerController is incremented when the
notification object is allocated and initialized.
3. The notification object is auto-released after I return from handling the
notification.
4. The notification object decrements the reference count of the
MPMoviePlayerController when it is released.
My question is this: is my technique for releasing the only reference I have to
the movie controller, which is the notification object, valid? NOTE: This is
the new 3.2 SDK movie player controller.
- (BOOL)application:(UIApplication*)application
didFinishLaunchingWithOptions:(NSDictionary*)launchOptions
{
// start playback of intro movie and watch for notification of playback
completion
MPMoviePlayerController* moviePlayer = [[MPMoviePlayerController alloc]
initWithContentURL:[NSURL fileURLWithPath:[[NSBundle mainBundle]
pathForResource:@"intro_movie" ofType:@"mp4"]]];
moviePlayer.controlStyle = MPMovieControlStyleNone;
moviePlayer.view.frame = window.bounds;
[window addSubview:moviePlayer.view];
[window makeKeyAndVisible];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(moviePlaybackDidFinish:)
name:MPMoviePlayerPlaybackDidFinishNotification object:moviePlayer];
[moviePlayer play];
return YES;
}
#pragma mark -
#pragma mark Movie Playback Notification Handler
- (void)moviePlaybackDidFinish:(NSNotification*)notification
{
// Playback has completed. Release the player and the associated view-
// controller and continue with our default application view/controller
pair.
[((MPMoviePlayerController*)notification.object).view removeFromSuperview];
[notification.object release];
[window addSubview:viewController.view];
}
-Michael
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