ios - 快门动画 AVFoundation iphone

Question

我正在尝试复制 iPhone 相机应用程序的默认快门动画。

也许有人尝试过这样做并且有一些提示可以分享？

Answer 1

好吧，我在某处找到了这个:

     CATransition *shutterAnimation = [CATransition animation];
     [shutterAnimation setDelegate:self];
     [shutterAnimation setDuration:0.6];

     shutterAnimation.timingFunction = UIViewAnimationCurveEaseInOut;
     [shutterAnimation setType:@"cameraIris"];
     [shutterAnimation setValue:@"cameraIris" forKey:@"cameraIris"];
     CALayer *cameraShutter = [[CALayer alloc]init];
     [cameraShutter setBounds:CGRectMake(0.0, 0.0, 320.0, 425.0)];
     [self.layer addSublayer:cameraShutter];
     [self.layer addAnimation:shutterAnimation forKey:@"cameraIris"];

这是默认的 iPhone 相机快门动画。