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我只想在点击搜索栏时才显示表格视图(如instagram)。如果有人知道如何做到这一点,任何信息都会有帮助。如何在单击搜索栏时显示表格视图?
下面是相关的代码,我有:
class UserSearchController: UICollectionViewController, UICollectionViewDelegateFlowLayout,UISearchBarDelegate, UISearchDisplayDelegate {
let cellId = "cellId"
let searchBar: UISearchBar = {
let sb = UISearchBar()
sb.placeholder = "Search"
return sb
}()
fileprivate func setupNavBarAndSearchBar() {
let navBar = navigationController?.navigationBar
searchBar.delegate = self
navigationController?.navigationBar.addSubview(searchBar)
//Constraints already figured^^
}
func searchBarTextDidBeginEditing(_ searchBar: UISearchBar) {searchBar.setShowsCancelButton(true, animated: true)}
func searchBarSearchButtonClicked(_ searchBar: UISearchBar) {
searchBar.setShowsCancelButton(true, animated: true)
}
func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
searchBar.resignFirstResponder()
searchBar.setShowsCancelButton(false, animated: true)
searchBar.text = ""
}
override func viewDidLoad() {
super.viewDidLoad()
setupNavBarAndSearchBar()
collectionView?.backgroundColor = .white
collectionView?.register(UserProfileVideoCell.self, forCellWithReuseIdentifier: cellId)
searchBar.addSubview(SearchUsersTv) **Compiles error "expected argument type UIView"**
}
这里是我的文件“SearchUsersTv”:
class SearchUsersTv: UIView, UITableViewDelegate, UITableViewDataSource {
let cellId = "cellId"
var tableView = UITableView()
let screenHeight = UIScreen.main.bounds.height
let screenWidth = UIScreen.main.bounds.width
override init(frame: CGRect){
super.init(frame: frame)
setup()
tableView.delegate = self
tableView.dataSource = self
tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")
}
func setup() {
self.backgroundColor = UIColor.black
tableView = UITableView(frame: CGRect(x: 0, y: 0, width: screenWidth*0.5, height: screenHeight))
tableView.layer.backgroundColor = UIColor.black.cgColor
self.addSubview(tableView)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return 10
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: cellId, for: indexPath)
cell.backgroundColor = .magenta
return cell
}
现在这个文件上面并没有运行,因为它不运行时(编译 错误,当我尝试添加此作为第一个文件中的子视图)
在'viewDidLoad'中将'tableView'的'isHidden'属性设置为'true',并在'searchBarTextDidBeginEditing'中将其设置为'false'。您应该在'searchBarCancelButtonClicked'中将其设置回'true'。 –
@ MoeAbdul-Hameed但我如何在集合视图的顶部添加一个表视图? –
您正在以编程方式添加您的表格视图,因此您需要以编程方式添加其约束。 –