#import "ViewController.h"@interface ViewController ()@property (weak, nonatomic) IBOutlet UIView *redView;@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.            }-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {        //1.创建动画对象(设置layer的属性值.)    CABasicAnimation *anim = [CABasicAnimation animation];    //2.设置属性值    anim.keyPath = @"position.x";    anim.toValue = @300;        //动画完成时, 会自动删除动画    anim.removedOnCompletion = NO;    anim.fillMode = @"forwards";        //3.添加动画：key值是为了区分不同的动画    [self.redView.layer addAnimation:anim forKey:nil];    }

#import "ViewController.h"@interface ViewController ()@property (weak, nonatomic) IBOutlet UIImageView *imageV;@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.}-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {        //创建动画对象    CABasicAnimation *anim = [CABasicAnimation animation];        //设置属性值    anim.keyPath = @"transform.scale";    anim.toValue = @0;    //设置动画执行次数    anim.repeatCount = MAXFLOAT;        //设置动画执行时长    anim.duration = 3;        //自动反转(怎么样去 怎么样回来)    anim.autoreverses = YES;        //添加动画    [self.imageV.layer addAnimation:anim forKey:nil];        }- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end