[英]Buttons and some user interactions are not responding with iOS14 app
我正在为我的 iOS 应用程序的一个奇怪的错误而苦苦挣扎。 在 iOS 13 应用程序中使用模拟器时,它可以正常工作,但在使用 iOS 14 按钮时,开关和其他功能没有响应。 控制台没有错误输出。 我不明白为什么只有 XCode 11 和 iOS 14 才会发生这种情况。
这是一个在View
初始化我的按钮的片段。
let logButton: UIButton = {
let button = UIButton()
button.translatesAutoresizingMaskIntoConstraints = false
button.setLogInButton()
button.setTitle(NSLocalizedString("log_in", comment: ""), for: .normal)
return button
}()
在这里,我将目标分配给按钮。
override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
super.init(style: style, reuseIdentifier: reuseIdentifier)
initConstraints()
backgroundColor = UIColor().settingsTableViewCellColor()
logButton.addTarget(self, action: #selector(buttonLogInLogOut), for: .touchUpInside)
}
有行动
@objc func buttonLogInLogOut(_ sender: UIButton){
print("Log in clicked")
delegate?.logInLogOutFunc(sender)
}
正如我所说,按钮(开关和其他按钮)仅在 iOS 14 中没有响应。看起来targetActions
不起作用。
感谢您提供任何帮助。 问候马特
我在表格单元格中的按钮不起作用时遇到了同样的问题
出于某种原因,您必须将按钮添加到单元格的contentView
而不是单元格本身,如下所示
cell.contentView.addSubView(button)
之后为我工作
只需按照此解决方案
对于细胞:
class CommentCell: UICollectionViewCell {
private let commentViewCell: CommentViewCell = {
let view = CommentViewCell()
view.translatesAutoresizingMaskIntoConstraints = false
return view
}()
override init(frame: CGRect) {
super.init(frame: frame)
addSubview(commentViewCell)
NSLayoutConstraint.activate([
commentViewCell.leadingAnchor.constraint(equalTo: leadingAnchor),
commentViewCell.trailingAnchor.constraint(equalTo: trailingAnchor),
commentViewCell.topAnchor.constraint(equalTo: topAnchor),
commentViewCell.bottomAnchor.constraint(equalTo: bottomAnchor)
])
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func setData(item: CommentViewModel) {
commentViewCell.setData(item: item)
}
}
查看:
class CommentViewCell: UIView {
private let lblId: CustomClick = {
let view = CustomClick()
view.backgroundColor = .cyan
view.translatesAutoresizingMaskIntoConstraints = false
return view
}()
private let lblMessage: UILabel = {
let view = UILabel()
view.backgroundColor = .cyan
view.textColor = .black
view.font = .boldSystemFont(ofSize: 16)
view.translatesAutoresizingMaskIntoConstraints = false
return view
}()
private let lblDate: UILabel = {
let view = UILabel()
view.backgroundColor = .systemIndigo
view.textColor = .black
view.font = .boldSystemFont(ofSize: 16)
view.translatesAutoresizingMaskIntoConstraints = false
return view
}()
override init(frame: CGRect) {
super.init(frame: frame)
backgroundColor = .brown
addSubview(lblId)
addSubview(lblMessage)
addSubview(lblDate)
NSLayoutConstraint.activate([
lblId.topAnchor.constraint(equalTo: topAnchor),
lblId.trailingAnchor.constraint(equalTo: trailingAnchor),
lblId.leadingAnchor.constraint(equalTo: leadingAnchor),
lblMessage.trailingAnchor.constraint(equalTo: trailingAnchor),
lblMessage.leadingAnchor.constraint(equalTo: leadingAnchor),
lblMessage.topAnchor.constraint(equalTo: lblId.bottomAnchor),
lblDate.trailingAnchor.constraint(equalTo: trailingAnchor),
lblDate.leadingAnchor.constraint(equalTo: leadingAnchor),
lblDate.topAnchor.constraint(equalTo: lblMessage.bottomAnchor),
])
lblId.addTarget(self, action: #selector(onClick), for: .touchUpInside)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
@objc func onClick() {
print("this is click button")
}
func setData(item: CommentViewModel) {
lblId.setData(item: item.id)
lblMessage.text = item.meesage
lblDate.text = item.date
lblDate.textColor = item.cellColor
}
class CustomClick: UIControl {
private let lblId: UILabel = {
let view = UILabel()
view.textColor = .black
view.backgroundColor = .systemPink
view.font = .boldSystemFont(ofSize: 16)
view.translatesAutoresizingMaskIntoConstraints = false
return view
}()
override init(frame: CGRect) {
super.init(frame: frame)
addSubview(lblId)
NSLayoutConstraint.activate([
lblId.topAnchor.constraint(equalTo: topAnchor),
lblId.trailingAnchor.constraint(equalTo: trailingAnchor),
lblId.leadingAnchor.constraint(equalTo: leadingAnchor),
lblId.bottomAnchor.constraint(equalTo: bottomAnchor)
])
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func setData(item: String) {
lblId.text = item
}
}
}
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