按下表格视图单元格后重定向到注释

问题描述

我在地图中加入了一个搜索栏，可以显示放置在地图上的特定图钉的不同结果。当他点击表格视图单元格时，我试图将用户重定向到特定的引脚。不幸的是，我收到此错误：

“线程 1：致命错误：在隐式解包可选值时意外发现 nil”

上线：

self.VC.LiveMap.setRegion(region,animated: true)

代码：

import UIKit
import MapKit

class SearchViewController: UIViewController,UITableViewDelegate,UITableViewDataSource,UISearchBarDelegate,CLLocationManagerDelegate {
    
    private var tableView: UITableView!
    var filteredOffices = [OfficeStats]()
    var filterednames = [String]()
    
    var VC = ViewController()
    let searchBar = UISearchBar()
    
    
    override func viewDidLoad() {
        super.viewDidLoad()
        view.backgroundColor = .white
        sortList()
        setUpNavBar()
        searchBar.delegate = self
        filteredOffices = VC.officescopy
        
        VC.retrieveNamecopy() { (success,filteredOffices) in
            if success {
                self.VC.sortList()
            } else {
                print("unsuceess")
            }
        }
        let barHeight = view.window?.windowScene?.statusBarManager?.statusBarFrame.height ?? 0
        let displayWidth: CGFloat = self.view.frame.width
        let displayHeight: CGFloat = self.view.frame.height
        
        tableView = UITableView(frame: CGRect(x: 0,y: barHeight,width: displayWidth,height: displayHeight - barHeight))
        tableView.register(UITableViewCell.self,forCellReuseIdentifier: "MyCell")
        tableView.rowHeight = UITableView.automaticDimension
        tableView.dataSource = self
        tableView.delegate = self
        self.view.addSubview(tableView)
        
    }
    
    func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
        searchBar.text = ""
        searchBar.endEditing(true)
    }
    
    func searchBar(_ searchBar: UISearchBar,textDidChange searchText: String) {
        filteredOffices = []

        if searchText == "" {
            filteredOffices = VC.officescopy
        }
        else{
            for offices in VC.officescopy {
                
                if offices.name.lowercased().contains(searchText.lowercased()){
                    filteredOffices.append(offices)
                }
            }
        }
        self.tableView.reloadData()
    }
    
    func tableView(_ tableView: UITableView,numberOfRowsInSection section: Int) -> Int {
        print(filteredOffices.count)
        return filteredOffices.count
    }
    
    func tableView(_ tableView: UITableView,didSelectRowAt indexPath: IndexPath) {
        dismiss(animated: true)
        print(filteredOffices[indexPath.count])
        let geoPoint = filteredOffices[indexPath.count].coordinates
        let location = CLLocationCoordinate2D(latitude: geoPoint.latitude,longitude: geoPoint.longitude)
        let region = MKCoordinateRegion(center: location,span: MKCoordinateSpan(latitudeDelta: 0.005,longitudeDelta: 0.005))            
        self.VC.LiveMap.setRegion(region,animated: true)
    }
    
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        searchBar.becomeFirstResponder()
    }
    
    func tableView(_ tableView: UITableView,cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = UITableViewCell(style: UITableViewCell.CellStyle.subtitle,reuseIdentifier: "cell")
        cell.textLabel?.text = filteredOffices[indexPath.row].name
        cell.detailTextLabel?.text = filteredOffices[indexPath.row].location
        return cell
    }
    
    
    func setUpNavBar() {
        searchBar.sizetoFit()
        searchBar.searchBarStyle = .prominent
        searchBar.placeholder = "Kërko"
        searchBar.tintColor = UIColor.lightGray
        searchBar.barTintColor = UIColor.lightGray
        navigationItem.titleView = searchBar
        searchBar.isTranslucent = true
    }
}

解决方法

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