@interface ViewController ()
@property (weak, nonatomic) IBOutlet UIImageView *iconImageView;
- (IBAction)beginButn:(id)sender;
@end
- (IBAction)beginButn:(id)sender {
//创建动画
CAKeyframeAnimation * keyAnimaion = [CAKeyframeAnimation animation];
keyAnimaion.keyPath = @"transform.rotation";
keyAnimaion.values = @[@(-10 / 180.0 * M_PI),@(10 /180.0 * M_PI),@(-10/ 180.0 * M_PI)];//度数转弧度
keyAnimaion.removedOnCompletion = NO;
keyAnimaion.fillMode = kCAFillModeForwards;
keyAnimaion.duration = 0.3;
keyAnimaion.repeatCount = MAXFLOAT;
[self.iconImageView.layer addAnimation:keyAnimaion forKey:nil];
}
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