UIView bounce Animation

UIView+Bounce

- (void)bounceAnimation:(void (^)())completion
{
    CGRect rect = self.frame;
    CGRect insetRect = CGRectInset(rect, 10, 10);

    self.frame = insetRect;

    [UIView animateWithDuration:1 delay:0 usingSpringWithDamping:0.4 initialSpringVelocity:0 options:UIViewAnimationOptionCurveEaseOut animations:^{
        self.frame = rect;
    } completion:^(BOOL finished) {
        if (completion) {
            completion();
        }
    }];
}