//创建播放器并播放视频。
-(void) playMovie{
NSString* videoPath = [[Globals getResourceManager] loadVideo:@"abcSong"];
player = [[MPMoviePlayerController alloc] initWithContentURL:[NSURL fileURLWithPath:videoPath]];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(movieFinishedCallback:) name:MPMoviePlayerPlaybackDidFinishNotification object:player];
player.controlStyle = MPMovieControlStyleFullscreen;
player.view.frame = [Globals getScreenRect];
player.initialPlaybackTime = -1;
[self.view addSubview:player.view];
player.backgroundColor = [UIColor blackColor];
player.useApplicationAudioSession = NO;
player.movieControlMode = MPMovieControlModeHidden;
player.scalingMode = MPMovieScalingModeAspectFit;
[player play];
//当视频播放结束释放资源。
-(void) movieFinishedCallback:(NSNotification*) aNotification{
[[NSNotificationCenter defaultCenter] removeObserver:self name:MPMoviePlayerPlaybackDidFinishNotification object:player];
[player stop];
[player.view removeFromSuperview];
[player release];
player = nil;
}