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正如你可以在这个截图中看到:Xcode中显示标签,按钮,导航栏和图像的像素化
导航栏,按钮和扬声器图像是pixeled。 我migth认为它有到视图层次的连接 - 这种观点是主视图(主视图标签和按钮看起来不错,不pixeled),写在斯威夫特的顶部:
var navUser = UIViewController()
class ViewControllerMenu: UIViewController {
navUser = storyboard!.instantiateViewController(withIdentifier: "navUser")
addChildViewController(navUser)
navUser.view.frame = view.frame
view.addSubview(navUser.view)
navUser.didMove(toParentViewController: self)
navUser.view.alpha = 0
navUser.view.layer.shadowColor = UIColor.black.cgColor
navUser.view.layer.shadowOpacity = 1
navUser.view.layer.shadowOffset = CGSize.zero
navUser.view.layer.shadowRadius = 10
navUser.view.layer.shadowPath = UIBezierPath(rect: navUser.view.bounds).cgPath
navUser.view.layer.shouldRasterize = true
}
我米加入这一观点的视图层次:
这发生在所有的Xcode iPhone模拟器,并以我个人的iPhone 7.
如果你只是注释掉'navUser.view.layer.shouldRasterize = true'这行,会发生什么?看起来像'.shouldRasterize'的奇怪用法... – DonMag
@DonMag是的,它的工作原理!请将它作为答案发布:)谢谢! – Eliko