Ios can';用搜索栏看不到导航了
我正在开发一个应用程序,其中一个功能将对我们镇主要购物街上的所有商店进行排序。这就是为什么我制作了一个表视图,其中列出了一些商店,并带有一个类别和名称 我按字母顺序对它们进行了排序,并制作了一个搜索栏,如图所示。但导航出现了一些问题,当不使用搜索栏时它会工作,但当使用它时它会消失 有人能帮我吗?提前谢谢!主视图控制器的代码(包含完整的导航,因为在情节提要中没有对其进行任何操作)如下所述:Ios can';用搜索栏看不到导航了,ios,swift,uisearchcontroller,Ios,Swift,Uisearchcontroller,我正在开发一个应用程序,其中一个功能将对我们镇主要购物街上的所有商店进行排序。这就是为什么我制作了一个表视图,其中列出了一些商店,并带有一个类别和名称 我按字母顺序对它们进行了排序,并制作了一个搜索栏,如图所示。但导航出现了一些问题,当不使用搜索栏时它会工作,但当使用它时它会消失 有人能帮我吗?提前谢谢!主视图控制器的代码(包含完整的导航,因为在情节提要中没有对其进行任何操作)如下所述: import UIKit class MasterTableViewController: UITable
import UIKit
class MasterTableViewController: UITableViewController {
//winkels filteren
var filteredWinkels = [Winkel]()
// MARK: - Properties
var detailViewController: DetailViewController? = nil
var winkels = [Winkel]()
// MARK: - View Setup
override func viewDidLoad() {
super.viewDidLoad()
winkels = [
Winkel(category:"Literature", name:"Standaard"),
Winkel(category:"Literature", name:"Acco"),
Winkel(category:"Clothing", name:"H&M"),
Winkel(category:"Clothing", name:"C&A"),
Winkel(category:"Clothing", name:"Patio"),
Winkel(category:"Restaurants", name:"De 46"),
Winkel(category:"Cafés", name:"'t Hoekske"),
Winkel(category:"Supermarkets", name:"Carrefour"),
Winkel(category:"Supermarkets", name:"Colruyt"),
Winkel(category:"Supermarkets", name:"Blokker"),
Winkel(category:"Lingerie", name:"Hunkemoller")
]
//alfabetisch sorteren
winkels.sortInPlace({ $0.name < $1.name })
if let splitViewController = splitViewController {
let controllers = splitViewController.viewControllers
detailViewController = (controllers[controllers.count - 1] as! UINavigationController).topViewController as? DetailViewController
}
//searchController aanmaken
searchController.searchResultsUpdater = self
searchController.dimsBackgroundDuringPresentation = false
definesPresentationContext = true
tableView.tableHeaderView = searchController.searchBar
//searchButtons aanmaken
searchController.searchBar.scopeButtonTitles = ["All", "Clothing", "Supermarkets", "Literature"]
searchController.searchBar.delegate = self
self.tableView.reloadData()
}
override func viewWillAppear(animated: Bool) {
clearsSelectionOnViewWillAppear = splitViewController!.collapsed
super.viewWillAppear(animated)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
// MARK: - Table View
override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
//aantallen tellen
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
if searchController.active && searchController.searchBar.text != "" {
return filteredWinkels.count
}
return winkels.count
}
//naam cel aanpassen en checken
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("Cell", forIndexPath: indexPath)
let winkel: Winkel
if searchController.active && searchController.searchBar.text != "" {
winkel = filteredWinkels[indexPath.row]
} else {
winkel = winkels[indexPath.row]
}
if winkel.name .containsString("Hunkemoller") {
cell.textLabel!.text = "Hunkemöller"
} else {
cell.textLabel!.text = winkel.name
}
cell.detailTextLabel?.text = winkel.category
return cell
}
// Segues voorbereiden
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
if segue.identifier == "showDetail" {
if let indexPath = tableView.indexPathForSelectedRow {
let winkel: Winkel
if searchController.active && searchController.searchBar.text != "" {
winkel = filteredWinkels[indexPath.row]
} else {
winkel = winkels[indexPath.row]
}
let controller = (segue.destinationViewController as! UINavigationController).topViewController as! DetailViewController
controller.detailWinkel = winkel
controller.navigationItem.leftBarButtonItem = splitViewController?.displayModeButtonItem()
controller.navigationItem.leftItemsSupplementBackButton = true
}
}
}
override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
performSegueWithIdentifier("showDetail", sender: self)
}
//searchcontroller aanmaken
let searchController = UISearchController(searchResultsController: nil)
//scopebar maken
func filterContentForSearchText(searchText: String, scope: String = "All") {
filteredWinkels = winkels.filter { winkel in
let categoryMatch = (scope == "All") || (winkel.category == scope)
return categoryMatch && winkel.name.lowercaseString.containsString(searchText.lowercaseString)
}
tableView.reloadData()
}
}
// updaten
extension MasterTableViewController: UISearchResultsUpdating {
func updateSearchResultsForSearchController(searchController: UISearchController) {
let searchBar = searchController.searchBar
let scope = searchBar.scopeButtonTitles![searchBar.selectedScopeButtonIndex]
filterContentForSearchText(searchController.searchBar.text!, scope: scope)
}
}
extension MasterTableViewController: UISearchBarDelegate {
func searchBar(searchBar: UISearchBar, selectedScopeButtonIndexDidChange selectedScope: Int) {
filterContentForSearchText(searchBar.text!, scope: searchBar.scopeButtonTitles![selectedScope])
}
}
导入UIKit
类MasterTableViewController:UITableViewController{
//温克尔过滤器
变量filteredWinkels=[Winkel]()
//标记:-属性
var detailViewController:detailViewController?=nil
var winkels=[Winkel]()
//标记:-查看设置
重写func viewDidLoad(){
super.viewDidLoad()
温克尔=[
Winkel(类别:“文学”,名称:“标准”),
Winkel(类别:“文学”,名称:“Acco”),
Winkel(类别:“服装”,名称:“H&M”),
Winkel(类别:“服装”,名称:“C&A”),
Winkel(类别:“服装”,名称:“天井”),
Winkel(类别:“餐厅”,名称:“De 46”),
Winkel(类别:“咖啡馆”,名称:“t Hoekske”),
Winkel(类别:“超市”,名称:“家乐福”),
Winkel(类别:“超市”,名称:“Colruyt”),
Winkel(类别:“超市”,名称:“Blokker”),
Winkel(类别:“内衣”,名称:“Hunkemoller”)
]
//阿尔法贝蒂什酒店
winkels.sortInPlace({$0.name<$1.name})
如果让splitViewController=splitViewController{
let controllers=splitViewController.viewControllers
detailViewController=(控制器[controllers.count-1]为!UINavigationController)。topViewController为?detailViewController
}
//搜索控制器安马肯
searchController.SearchResultsUpdate=self
searchController.dimsBackgroundDuringPresentation=false
DefinePresentationContext=true
tableView.tableHeaderView=searchController.searchBar
//安马肯搜索按钮
searchController.searchBar.scopeButtonTitles=[“所有”、“服装”、“超市”、“文献”]
searchController.searchBar.delegate=self
self.tableView.reloadData()
}
覆盖功能视图将出现(动画:Bool){
清除SelectionInviewMillAppear=splitViewController!。已折叠
超级。视图将显示(动画)
}
重写函数didReceiveMemoryWarning(){
超级。我收到了记忆警告()
}
//标记:-表视图
重写func numberOfSectionsInTableView(tableView:UITableView)->Int{
返回1
}
//安塔伦·泰伦
重写func tableView(tableView:UITableView,numberofrowsinssection:Int)->Int{
如果searchController.active&&searchController.searchBar.text!“”{
返回filteredWinkels.count
}
返回winkels.count
}
//naam cel aanpassen en checken
重写func tableView(tableView:UITableView,cellForRowAtIndexPath:nsindepath)->UITableView单元格{
让cell=tableView.dequeueReusableCellWithIdentifier(“cell”,forIndexPath:indexPath)
让温克尔:温克尔
如果searchController.active&&searchController.searchBar.text!“”{
winkel=filteredWinkels[indexPath.row]
}否则{
winkel=winkels[indexPath.row]
}
如果winkel.name.包含字符串(“Hunkemoller”){
cell.textLabel!.text=“Hunkemöller”
}否则{
cell.textlab!.text=winkel.name
}
cell.detailTextLabel?.text=winkel.category
返回单元
}
//沃尔贝里登酒店
覆盖函数prepareforsgue(segue:UIStoryboardSegue,sender:AnyObject?){
如果segue.identifier==“showDetail”{
如果让indexPath=tableView.indexPathForSelectedRow{
让温克尔:温克尔
如果searchController.active&&searchController.searchBar.text!“”{
winkel=filteredWinkels[indexPath.row]
}否则{
winkel=winkels[indexPath.row]
}
让控制器=(segue.destinationViewController为!UINavigationController)。topViewController为!DetailViewController
controller.detailWinkel=winkel
controller.navigationItem.leftBarButtonItem=splitViewController?.displayModeButtonItem()
controller.navigationItem.LeftItemsSupportElementBackButton=true
}
}
}
重写func tableView(tableView:UITableView,didSelectRowAtIndexPath:nsindepath){
performsguewithidentifier(“showDetail”,发件人:self)
}
//搜索控制器安马肯
设searchController=UISearchController(searchResultsController:nil)
//范围栏标记
func filterContentForSearchText(searchText:String,scope:String=“All”){
filteredWinkels=winkels.filter{winkel-in
让categoryMatch=(范围=“所有”)| |(winkel.category==范围)
return categoryMatch&&winkel.name.lowercasesetring.containsString(searchText.lowercasesetring)
}
tableView.reloadData()
}
}
//更新
扩展MasterTableViewController:UISearchResultsUpdate{
func updateSearchResultsForSearchController(searchController:UISearchController){
让searchBar=searchController.searchBar
让scope=searchBar.ScopeButtonTiles![searchBar.selectedScopeButtonIndex]
filterContentForSearchText(searchController.searchBar.text!,作用域:作用域)
}
}
扩展MasterTableViewController:UISearchBarDelegate{
func搜索栏(搜索栏:UISearchBar,selectedScopeButtonIndexDidChange selectedScope:Int){
filterContentForSearchText(searchBar.text!,作用域:searchBar.ScopeButtonTiles![selectedScope])
}
}
您可以在PrepareForsgue:方法中设置目标视图控制器的导航栏状态:
let controller = (segue.destinationViewController as! UINavigationController).topViewController as! DetailViewController
controller.detailWinkel = winkel
controller.navigationBarHidden = true
您可以在prepareForSegue:方法中设置目标视图控制器的导航栏状态:
let controller = (segue.destinationViewController as! UINavigationController).topViewController as! DetailViewController
controller.detailWinkel = winkel
controller.navigationBarHidden = true
UISearchController