控件颤抖

控件颤抖

CABasicAnimation *scaleAnimation = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
scaleAnimation.fromValue = [NSNumber numberWithFloat:1];
scaleAnimation.toValue = [NSNumber numberWithFloat:0.7];
scaleAnimation.duration = 0.1;  // 时间
scaleAnimation.repeatCount = 2; // 几次
scaleAnimation.autoreverses = YES;
scaleAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
[view.layer addAnimation:scaleAnimation forKey:nil];
}];