【代码笔记】拍照动画

代码：

- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view.
 self.title=@"拍照动画"; } //点击任何处，弹出动画
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { CATransition *shutterAnimation = [CATransition animation]; shutterAnimation.delegate = self; shutterAnimation.duration = 0.5f; shutterAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]; shutterAnimation.type = @"cameraIris"; shutterAnimation.subtype = @"cameraIris"; [self.view.layer addAnimation:shutterAnimation forKey:@"cameraIris"]; }