iOS动画-定时对UIView进行翻转和抖动的方法
（翻转）方式一：
[NSTimerscheduledTimerWithTimeInterval:3.frepeats:YESblock:^(NSTimer*_Nonnulltimer){
CABasicAnimation*rotationAnimation=[CABasicAnimationanimation];;
rotationAnimation=[CABasicAnimationanimationWithKeyPath:@"transform.rotation.y"];
rotationAnimation.toValue=[NSNumbernumberWithFloat:M_PI*2.0];
rotationAnimation.duration=1;
//切换界面保证动画不停止
rotationAnimation.removedOnCompletion=NO;
rotationAnimation.repeatCount=1;
[self.bindCardImageView.layeraddAnimation:rotationAnimationforKey:@"rotationAnimation"];
}];
（翻转）方式二（这种方式较好一些）：
CABasicAnimation*waitAnimation=[CABasicAnimationanimation]; waitAnimation.toValue=[NSNumbernumberWithFloat:1.0]; waitAnimation.duration=3.f; waitAnimation.beginTime=3.f; CABasicAnimation*rotationAnimation=[CABasicAnimationanimationWithKeyPath:@"transform.rotation.y"]; rotationAnimation.toValue=[NSNumbernumberWithFloat:M_PI*2.0]; rotationAnimation.duration=1.f; CAAnimationGroup*group=[CAAnimationGroupanimation]; group.duration=4.f; group.repeatCount=CGFLOAT_MAX; group.removedOnCompletion=NO; [groupsetAnimations:@[waitAnimation,rotationAnimation]]; [self.bindCardImageView.layeraddAnimation:groupforKey:@"bindCardImageViewAnimation"];
抖动：
CABasicAnimation*shake=[CABasicAnimationanimationWithKeyPath:@"transform.rotation.z"]; //设置抖动幅度 shake.fromValue=[NSNumbernumberWithFloat:-0.2]; shake.toValue=[NSNumbernumberWithFloat:+0.2]; shake.duration=0.1; shake.autoreverses=YES;//是否重复 shake.repeatCount=3; [itemView.iconImageView.layeraddAnimation:shakeforKey:@"imageView"];
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