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自定义 UIActivityIndicatorView

发表于: 2012-02-02   作者:374016526   来源:转载   浏览:
摘要:  //view 沿中心点旋转  -1逆向旋转 1正向旋转         int direction = -1;         CABasicAnimation* rotationAnimation = [CABasicAnimation animationWithKeyPath:@&q

 //view 沿中心点旋转  -1逆向旋转 1正向旋转

        int direction = -1;

        CABasicAnimation* rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];

        rotationAnimation.toValue = [NSNumber numberWithFloat:(2 * M_PI) * direction];

        rotationAnimation.duration = 1.0f;

        rotationAnimation.repeatCount = HUGE_VALF;

        rotationAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];

        [self.layer addAnimation:rotationAnimation forKey:@"rotateAnimation"];

自定义 UIActivityIndicatorView

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