//闪烁
[self.mainImageView.layer removeAnimationForKey:
@"opacityForever"];
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:
@"opacity"];
animation.fromValue=[NSNumber numberWithFloat:
1.0];
animation.toValue=[NSNumber numberWithFloat:
0.0];
animation.autoreverses=
YES;
animation.duration=0.6
;
animation.repeatCount=
1;
animation.removedOnCompletion=
YES;
animation.fillMode=
kCAFillModeForwards;
[self.mainImageView.layer addAnimation:animation forKey:@"opacityForever"];
/* 放大缩小 */
[self.mainImageView.layer removeAnimationForKey:@"scale-layer"];
// 设定为缩放
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:
@"transform.scale"];
// 动画选项设定
animation.duration =
2.5;
// 动画持续时间
animation.repeatCount =
1;
// 重复次数
animation.autoreverses = YES;
// 动画结束时执行逆动画
// 缩放倍数
animation.fromValue = [NSNumber numberWithFloat:
1.0];
// 开始时的倍率
animation.toValue = [NSNumber numberWithFloat:
2.0];
// 结束时的倍率
animation.removedOnCompletion =
YES;
// 添加动画
[self.mainImageView.layer addAnimation:animation forKey:
@"scale-layer"];
转载于:https://www.cnblogs.com/KingQiangzi/p/6050013.html
相关资源：数据结构—成绩单生成器
