CABasicAnimation* rotationAnimation;
rotationAnimation = [CABasicAnimation
animationWithKeyPath:@"transform.rotation.z"];
rotationAnimation.toValue = [NSNumber
numberWithFloat: M_PI *
2.0 ];
rotationAnimation.duration =
1.0f;
rotationAnimation.cumulative =
YES;
rotationAnimation.repeatCount =
100000;
[_finishIconImage.layer
addAnimation:rotationAnimation forKey:@"rotationAnimation"];