我有一個MPMoviePlayerController,我模態地呈現。視頻加載正常,但是在視頻啓動之前,屏幕會變成白色直到它已經加載。我怎樣才能防止這種情況發生?MPMoviePlayerController在啓動之前顯示空白屏幕?
moviePlayerViewController = [[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL URLWithString:mySTVideo.video_url]];
[self presentModalViewController:moviePlayerViewController animated:YES];