How to maintain checkbox state when scrolling uitableview

Saving checkbox state in uitableview.swift

//
//  ViewController.swift
//  addCheckBoxonTable-Tutorial
//
//  Created by Aman Aggarwal on 2/1/18.
//  Copyright © 2018 iostutorialjunction.com. All rights reserved.
//
import UIKit

class ViewController: UIViewController, UITableViewDataSource {

    @IBOutlet weak var tblList: UITableView!
    var selectedRows = [IndexPath]()
  
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        tblList.dataSource = self
    }

    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 10
    }
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        
        let cell = tableView.dequeueReusableCell(withIdentifier: "CheckBoxCell")
        
        if let lbl = cell?.contentView.viewWithTag(1) as? UILabel {
            lbl.text = "item-\(1)"
        }
        
        if let btnChk = cell?.contentView.viewWithTag(2) as? UIButton {
            btnChk.addTarget(self, action: #selector(checkboxClicked(_ :)), for: .touchUpInside)
            btnChk.isSelected = false
            if selectedRows.contains(indexPath) {
              btnChk.isSelected = true
            }
        }
        return cell!
    }
    
    @objc func checkboxClicked(_ sender: UIButton) {
        sender.isSelected = !sender.isSelected
      let point = sender.convert(CGPoint.zero, to: tblList)
        let indxPath = tblList.indexPathForRow(at: point)
       if selectedRows.contains(indxPath) {
               selectedRows.remove(at: selectedRows.index(of: indxPath)!)
        } else {
         selectedRows.append(indxPath)
       }
       tblList.reloadRows(at: [indxPath], with: .automatic)
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


}

hi.

could you give me the whole project, please?

Please check this link https://iostutorialjunction.com/2018/02/add-custom-checkbox-on-uitableviewcell.html

Hi, I have exactly follow your code. But when I scroll up after selecting any checkbox its automatically unchecked and any random check box is selected. Could you please explain this behaviour ?

You need to maintain state of checked boxes, you can view this tutorials on YouTube Create CheckBox in swift 4 using Xcode 9 0 onwards https://youtu.be/S6q5d3RvVY8

On Sun, 20 Feb 2022 at 9:51 AM, mawaddat ***@***.***> wrote: ***@***.**** commented on this gist. ------------------------------ Hi, I have exactly follow your code. But when I scroll up after selecting any checkbox its automatically unchecked and any random check box is selected. Could you please explain this behaviour ? — Reply to this email directly, view it on GitHub <https://gist.github.com/ed9e2ee8720bef8fc92be90de3c01962#gistcomment-4071655>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ACFA4HYSWOXH5FM22ROE3J3U4BT5PANCNFSM4VRNHDQQ> . Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub>. You are receiving this because you authored the thread.Message ID: <leoiphonedev/Saving checkbox state in ***@***.***>

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