我正在尝试通过NSLayoutConstraint为ViewController设置UI。下面是我使用的代码:
class ProfileViewController: UIViewController {
private var profileUser = katyPerry
private var profileImage: UIImageView {
let imageView = UIImageView(image: UIImage(named: profileUser.login))
imageView.translatesAutoresizingMaskIntoConstraints = false
return imageView
}
override func viewDidLoad() {
//profileUser = users.randomElement() ?? User(login: "default", name: "default")
super.viewDidLoad()
setUpView()
}
func setUpView() {
view.addSubview(profileImage)
NSLayoutConstraint.activate([
profileImage.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 20),
profileImage.topAnchor.constraint(equalTo: view.topAnchor, constant: 20),
profileImage.heightAnchor.constraint(equalToConstant: 100),
profileImage.widthAnchor.constraint(equalToConstant: 100)
])
}
}
当运行应用程序时,它会在访问视图时抛出Error。Xcode highlight .activate并给出以下描述:***线程1:EXC_BAD_ACCESS(代码=1,地址=0x10)***。
如何解决这个问题?
1条答案
按热度按时间j8yoct9x1#
问题是,每次你说
profileImage
时,你都在创建一个新的图像视图。因此,您在一小段代码中谈论了五种不同的图像视图:要解决问题,改变
到