Objective-C: Animation Block in Cocoa Touch

gistfile1.m

    [UIView animateWithDuration: 1.0
                          delay: 0.0
                        options: UIViewAnimationOptionCurveEaseIn
                    animations:^{
                        self.view.alpha = 0.0;
                        drawingVC.view.alpha = 0.0;
                        drawingVC.view.frame = CGRectMake(400, 400, 400, 400);
                    }
                    completion:nil];