讓view有彈性效果

標籤：ios   animatewithduration   

讓view有彈性效果by 伍雪穎

- (void)viewDidLoad {    [super viewDidLoad];    CGAffineTransform transform = _view1.transform;    transform = CGAffineTransformScale(self.view1.transform, 2, 2);    self.view1.transform = transform;}- (IBAction)button:(id)sender {    __block ViewController *wself = self;    [UIView animateWithDuration:1.0 delay:0 usingSpringWithDamping:0.1 initialSpringVelocity:0.1 options:0 animations:^{        CGAffineTransform transform = wself.view1.transform;        transform = CGAffineTransformScale(wself.view1.transform, 0.9, 0.9);        wself.view1.transform = transform;    } completion:nil];}