我在点击时有一个UIView动画下拉菜单。我想要实现的是,当我点击tableView单元格时UIView的高度发生变化时,它也会自动跟随其高度。这是我的代码
class SubjectCell: BaseCell {
lazy var tableView: UITableView = {
let tv = UITableView()
tv.delegate = self
tv.dataSource = self
tv.allowsSelection = false
return tv
}()
extension SubjectCell: UITableViewDelegate {
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return 80
}
func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
return UITableView.automaticDimension
}
}
// This is the view I want to animate
@IBOutlet weak var mainContainer: UIView!
@IBOutlet weak var calendarView: JKCalendar!
@IBOutlet weak var arrowImageView: UIImageView!
@IBOutlet weak var mainContainerHeightConstraint: NSLayoutConstraint!
override func awakeFromNib() {
super.awakeFromNib()
let tapGesture = UITapGestureRecognizer(target: self, action: #selector(handleTap))
mainContainer.addGestureRecognizer(tapGesture)
}
override func setSelected(_ selected: Bool, animated: Bool) {
super.setSelected(selected, animated: animated)
// Configure the view for the selected state
}
@objc func handleTap(gesture: UITapGestureRecognizer) {
if mainContainerHeightConstraint.constant == 75 {
UIView.animate(withDuration: 0.5, delay: 0, usingSpringWithDamping: 0.7, initialSpringVelocity: 1, options: .curveEaseOut, animations: {
self.arrowImageView.image = #imageLiteral(resourceName: "up-chevron")
self.mainContainerHeightConstraint.constant = 370
self.calendarView.alpha = 1
})
} else {
defaultConstraint()
}
}
fileprivate func defaultConstraint() {
UIView.animate(withDuration: 0.5, delay: 0, usingSpringWithDamping: 0.7, initialSpringVelocity: 1, options: .curveEaseOut, animations: {
self.arrowImageView.image = #imageLiteral(resourceName: "down-chevron")
self.mainContainerHeightConstraint.constant = 75
self.calendarView.alpha = 0
})
}
这是我对uiview的配置。
我将mainContainerView的顶部,顶部和尾部设置为0。高度为370。
在mainContainerView内部有一个包含另一个2视图的stackView,并在mainContainerView中将我的堆栈视图设置为top,trail,bottom和Leading = 0
我仍然不知道如何设置tableViewCell,因此它将自动更改。请帮助我:)
您需要设置mainContainerView
的底部约束,以便将根据您的约束计算行高并删除heightForRowAt
功能。另外,每次您更改mainContainerView
的高度时,都需要调用
tableView.beginUpdates()
tableView.endUpdates()
用于重新计算行的新高度,它将适用。