samvermette

self.view.layer.anchorPoint = CGPointMake(0.50, 1.0);
CAKeyframeAnimation *bounceAnimation = [CAKeyframeAnimation animationWithKeyPath:@"transform.scale"];

bounceAnimation.values = [NSArray arrayWithObjects:
                          [NSNumber numberWithFloat:0.05],
                          [NSNumber numberWithFloat:1.08],
                          [NSNumber numberWithFloat:0.92],
                          [NSNumber numberWithFloat:1.0], 
                          nil];