[英]UIView clipsToBounds doesn't work
我找到了一个解决方案,我移动了 viewDidLayoutSubviews 中的 clipsToBound 而不是 viewDidLoad 现在可以工作了
override func viewDidLoad() {
super.viewDidLoad()
contentView.layer.cornerRadius = Dimensions.CornerRaius
contentView.dropShadow()
}
override func viewDidLayoutSubviews() {
super.viewDidLayoutSubviews()
contentView.clipsToBounds = true
}
我像这样定义了我的视图(在我的情况下为 UIView):
fileprivate let backView: UIView = {
let view = UIView()
view.clipsToBounds = true
view.layer.masksToBounds = false
view.layer.cornerRadius = 10
view.translatesAutoresizingMaskIntoConstraints = false
return view
}()
图像:
fileprivate let imgView: UIImageView = {
let iv = UIImageView()
iv.translatesAutoresizingMaskIntoConstraints = false
return iv
}()
就我而言,我在自定义表格视图单元格中定义了这些元素:
class customCell: UITableViewCell {
虽然我在背景视图的定义中设置了“clipsToBounds = true” ,但没有剪辑图像。
但是,如果我稍后设置“clipsToBounds = true” ,它会剪辑图像。
override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
super.init(style: style, reuseIdentifier: reuseIdentifier)
backView.addSubview(imgView)
contentView.addSubview(backView)
imgView.topAnchor.constraint(equalTo: backView.topAnchor, constant: 0).isActive = true
imgView.leadingAnchor.constraint(equalTo: backView.leadingAnchor, constant: 0).isActive = true
imgView.trailingAnchor.constraint(equalTo: backView.trailingAnchor, constant: 0).isActive = true
imgView.heightAnchor.constraint(equalTo: imgView.widthAnchor, multiplier: 1/4).isActive = true
backView.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 0).isActive = true
backView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 15).isActive = true
backView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -15).isActive = true
backView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: 0).isActive = true
在“init”方法中:
backView.clipsToBounds = true
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