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I'm fairly new to swift and developing, I'm looking for some help with a problem I can't get past.

So essentially I have a bunch of custom class's which detail workouts, I use those workouts to populate the table view to show the user a list of exercises in the chosen particular workout.

I want to be able to place a checkmark next to an exercise within the table view once it has been completed, the issue I am having is the checkmark repeats when I scroll, I have now removed it for new cells but this causes the checkmark to go when I scroll down and then back up, I understand this is because I am reusing the cell. What I can't figure out is how to fix it, I have tried all sorts of solutions and none have worked.

Any advice would be much appreciated!

The code is below, Thank you!

p.s. Just for clarity, the navTitle is getting passed in from the previous VC.

import UIKit

class workoutTableView: UIViewController, UITableViewDataSource, UITableViewDelegate {


    var navTitle: String = ""
    var workout = [String]()
    let tlabel = UILabel()


    @IBOutlet weak var workoutTableView: UITableView!

    override func viewDidLoad() {
        super.viewDidLoad()

        workoutTableView.delegate = self
        workoutTableView.dataSource = self
        tlabel.text = navTitle
        tlabel.textAlignment = .center
        tlabel.font = UIFont(name: "Arial Rounded MT Bold", size: 30)
        tlabel.adjustsFontSizeToFitWidth = true
        navigationItem.titleView = tlabel

    }

    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {

        if navTitle == "The 600 Workout" {

            workout = The600Workout().workoutArray
        }

        if navTitle == "5 Days for Muscle" {

            workout = FiveDaysForMuscle().workoutArray

        }

        if navTitle == "Marathon Ready" {

          workout = MarathonReady().workoutArray
        }

        if navTitle == "HIIT @ Home" {

          workout = HIITAtHome().workoutArray
        }

        if navTitle == "Get Strong" {

          workout = GetStrong().workoutArray
        }

        if navTitle == "Body Weight Blast" {

          workout = BodyWeightBlast().workoutArray
        }

        if navTitle == "Bands Pump" {

          workout = BandsPump().workoutArray
        }

        if navTitle == "Quickie Warm up" {

          workout = QuickieWarmUp().workoutArray
        }

        if navTitle == "The Best Circuit Workout" {

          workout = TheBestCircuit().workoutArray
        }

        if navTitle == "The Gym HIIT Workout" {

          workout = GymHIIT().workoutArray
        }

        if navTitle == "The Ultimate Workout" {

          workout = UltimateWorkout().workoutArray

        }


        if navTitle == "Warm up For Weights" {

            workout = WarmUpForWeights().workoutArray
        }

        if navTitle == "6 Day Bro Split" {

          workout = SixDayBroSplit().workoutArray
        }

        if navTitle == "Explosive Workout" {

         workout = ExplosiveWorkout().workoutArray
        }

        if navTitle == "Strength Circuit" {

          workout = StrengthCircuit().workoutArray
        }

        if navTitle == "Killer Circuit" {

          workout = KillerCircuit().workoutArray
        }

        if navTitle == "Fitness Test" {

          workout = FitnessTest().workoutArray
        }

        return workout.count

    }



    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {

        if tableView.cellForRow(at: indexPath)?.accessoryType == .checkmark {
            tableView.cellForRow(at: indexPath)?.accessoryType = .none
        } else {
            tableView.cellForRow(at: indexPath)?.accessoryType = .checkmark
        }

        tableView.deselectRow(at: indexPath, animated: false)
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {


       let cell = tableView.dequeueReusableCell(withIdentifier: "prototypeCell", for: indexPath)

        if navTitle == "The 600 Workout" {

            workout = The600Workout().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "5 Days for Muscle" {

            workout = FiveDaysForMuscle().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "Marathon Ready" {

            workout = MarathonReady().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "HIIT @ Home" {

            workout = HIITAtHome().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "Get Strong" {

            workout = GetStrong().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "Body Weight Blast" {

            workout = BodyWeightBlast().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "Bands Pump" {

            workout = BandsPump().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "Quickie Warm up" {

            workout = QuickieWarmUp().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "The Best Circuit Workout" {

            workout = TheBestCircuit().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "The Gym HIIT Workout" {

            workout = GymHIIT().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "The Ultimate Workout" {

            workout = UltimateWorkout().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "Warm up For Weights" {

            workout = WarmUpForWeights().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "6 Day Bro Split" {

            workout = SixDayBroSplit().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "Explosive Workout" {

            workout = ExplosiveWorkout().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "Strength Circuit" {

            workout = StrengthCircuit().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "Killer Circuit"  {

            workout = KillerCircuit().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        if navTitle == "Fitness Test" {

            workout = FitnessTest().workoutArray

            cell.textLabel?.text = workout[indexPath.row]
        }

        cell.accessoryType = .none

        cell.layer.borderWidth = 5
        cell.layer.cornerRadius = 20
        cell.layer.borderColor = #colorLiteral(red: 0, green: 0.3285208941, blue: 0.5748849511, alpha: 1)
        cell.textLabel?.textColor = UIColor.black
        cell.textLabel?.adjustsFontSizeToFitWidth = true
        cell.textLabel?.font = .boldSystemFont(ofSize: 15)

        return cell

    }

}
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1 Answer

First make a class/struct of Workout with a flag

struct Workout {
    let name: String
    let isComplete: Bool
}

Make a sample Data Model

var workouts = [
        Workout(name: "Squats", isComplete: false),
        Workout(name: "Burpees", isComplete: false),
        Workout(name: "Crunches", isComplete: true),
        Workout(name: "Push Ups", isComplete: false),
        Workout(name: "Jumping Jacks", isComplete: true),
        Workout(name: "High Knees", isComplete: false),
        Workout(name: "Lunges", isComplete: false),
        Workout(name: "Plank", isComplete: false),
        Workout(name: "Sechigh Knees", isComplete: false),
        Workout(name: "Tricep Dips", isComplete: false),
        Workout(name: "Mountain Climbers", isComplete: true),
        Workout(name: "Wall Sit", isComplete: true),
        Workout(name: "Squats 2", isComplete: false),
        Workout(name: "Burpees 2", isComplete: false),
        Workout(name: "Crunches 2", isComplete: true),
        Workout(name: "Push Ups 2", isComplete: false),
        Workout(name: "Jumping Jacks 2", isComplete: false),
        Workout(name: "High Knees 2", isComplete: false),
        Workout(name: "Lunges 2", isComplete: false),
        Workout(name: "Plank 2", isComplete: false),
        Workout(name: "Sechigh Knees 2", isComplete: true),
        Workout(name: "Tricep Dips 2", isComplete: false),
        Workout(name: "Mountain Climbers 2", isComplete: false),
        Workout(name: "Wall Sit 2", isComplete: false),
    ]

Make a custom UITableViewCell with a Workout type variable

class CustomCell: UITableViewCell {

    var workout: Workout? {
        didSet {
            guard let workout = workout else { return }

            self.textLabel?.text = workout.name

            if workout.isComplete {
                self.accessoryType = .checkmark
            }
            else {
                self.accessoryType = .none
            }
        }
    }
}

Then in tableView:cellForRowAtIndexPath: method pass the variable

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath) as! CustomCell
        cell.workout = workouts[indexPath.row]

        return cell
    }

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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