I embedded MPMoviePlayerController like this:
[_mediaPlayerView addSubview:moviePlayer.view];
[self addChildViewController:moviePlayer];
Video plays ok. When i tap on fullscreen button player maximizes, but i see only control buttons, screen is blank. Loading indicator is spinning. When i unmaximize, embedded video controller is blank too.
Right way to embed MPMoviePlayerController:
self.mediaPlayer = [[MPMoviePlayerController alloc] initWithContentURL:url];
[self.mediaPlayer setMovieSourceType:MPMovieSourceTypeFile];
[self.mediaPlayer setControlStyle:MPMovieControlStyleEmbedded];
[self.mediaPlayer setShouldAutoplay:NO];
[self.mediaPlayer prepareToPlay];
[self.mediaPlayer.view setFrame:self.mediaPlayerView.bounds];
[self.mediaPlayerView addSubview:self.mediaPlayer.view];
self.mediaPlayerView.userInteractionEnabled = YES;