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У меня возникли проблемы с получением этой анимации для прокрутки вверх или вниз для работы. Вот мой код на данный момент. Он только анимирует, но объект не работает при пролистывании по экрану.

 ViewController.m
//  notificationView

//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
     NotificationView *notifications= [[NotificationView alloc]              initWithFrame:CGRectMake(200,200,200,200)];
      notifications.backgroundColor =[ UIColor blueColor];
       [self.view addSubview:notifications];

    UISwipeGestureRecognizer *swipeUp = [[UISwipeGestureRecognizer            alloc]initWithTarget:self action:
    @selector(swipeUp:)];
    [notifications addGestureRecognizer:swipeUp];

    swipeUp.direction=UISwipeGestureRecognizerDirectionUp;

    UISwipeGestureRecognizer *swipeDown=[[UISwipeGestureRecognizer            alloc]initWithTarget:self action:
    @selector(swipeDown:)];

    swipeDown.direction=UISwipeGestureRecognizerDirectionDown;
   [notifications addGestureRecognizer:swipeDown];

    [UIView animateWithDuration:0.5 animations:^{
        notifications.center=CGPointMake(150,150);}]; };

   -(void) swipeUp:(id) sender {
    UISwipeGestureRecognizer *swipe = (UISwipeGestureRecognizer *) sender;}

    -(void) swipeDown:(id) sender { }



@end
  

Попробуйте это, его работа идеальна.

   - (void)viewDidLoad {
    [super viewDidLoad];

    notifications = [[UIView alloc] initWithFrame:CGRectMake(200,200,200,200)];
    notifications.backgroundColor =[ UIColor blueColor];
    [self.view addSubview:notifications];

    UISwipeGestureRecognizer *swipeUp = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:
                                         @selector(swipeUp:)];
    [notifications addGestureRecognizer:swipeUp];

    swipeUp.direction=UISwipeGestureRecognizerDirectionUp;

    UISwipeGestureRecognizer *swipeDown=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:
                                         @selector(swipeDown:)];

    swipeDown.direction=UISwipeGestureRecognizerDirectionDown;
    [notifications addGestureRecognizer:swipeDown];

    [UIView animateWithDuration:0.5 animations:^{
        notifications.center=CGPointMake(150,150);
    }];
}

-(void) swipeUp:(id) sender {

   [self animationOfObject:150 yVlaue:150];
}

-(void) swipeDown:(id) sender {

  [self animationOfObject:150 yVlaue:300];
}

-(void)animationOfObject:(float)xValue yVlaue:(float)yValue
{
    [UIView animateWithDuration:0.5 animations:^{
        notifications.center=CGPointMake(xValue,yValue);
    }];
}