Fade in of the PopUpViewController

PopUpFadeIn.m

- (void)showAnimate
{
    self.view.transform = CGAffineTransformMakeScale(1.3, 1.3);
    self.view.alpha = 0;
    [UIView animateWithDuration:.25 animations:^{
        self.view.alpha = 1;
        self.view.transform = CGAffineTransformMakeScale(1, 1);
    }];
    
}

PopupFadeOut.m

- (void)removeAnimate
{
    [UIView animateWithDuration:.25 animations:^{
        self.view.transform = CGAffineTransformMakeScale(1.3, 1.3);
        self.view.alpha = 0.0;
    } completion:^(BOOL finished) {
        if (finished) {
            [self.view removeFromSuperview];
        }
    }];
}

PopUpShowInView.m

- (void)showInView:(UIView *)aView animated:(BOOL)animated
{
    [aView addSubview:self.view];
    if (animated) {
        [self showAnimate];
    }
}

PopUpViewController.h

#import <UIKit/UIKit.h>
#import <QuartzCore/QuartzCore.h>
#import "AppDelegate.h"

@interface PopUpViewController : UIViewController

@property (weak, nonatomic) IBOutlet UIView *popUpView;

- (void)showInView:(UIView *)aView animated:(BOOL)animated;

@end