[Code Note] scaling animation and code note Scaling
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-(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. self. title = @ "telescopic Animation";} // click anywhere to bring up the animation-(void) touchesBegan :( NSSet *) touches withEvent :( UIEvent *) event {UIView * zanView = [[UIView alloc] initWithFrame: CGRectMake (50,100,100,100)]; zanView. backgroundColor = [UIColor redColor]; [self. view addSubview: zanView]; [UIView animateWithDuration: 0.3 animations: ^ {zanView. transform = CGAffineTransformMakeScale (1.2, 1.2);} completion: ^ (BOOL finished) {[UIView animateWithDuration: 0.3 animations: ^ {zanView. transform = CGAffineTransformMakeScale (0.9, 0.9);} completion: ^ (BOOL finished) {[UIView animateWithDuration: 0.3 animations: ^ {zanView. transform = CGAffineTransformMakeScale (1.0, 1.0);} completion: ^ (BOOL finished) {}] ;}];}