快门动画AVFoundation iphone [英] Shutter animation AVFoundation iphone

问题描述

我试图复制iPhone相机应用程式预设快门动画。

I am trying to replicate iPhone Camera app default shutter animation.

也许有人试过这样做，并有一些提示要分享？

Maybe anyone has tried doing that and have some hints to share?

推荐答案

好吧，我发现这个地方：

Well, I found this somewhere:

     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。

It's the default iPhone camera shutter animation.

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