FirstViewUI

FirstViewUI.swift

import UIKit

final class FirstViewUI: UIView {
    
    var names =
        [
            "first",
            "seo",
            "psum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the in",
            "four",
            "five",
            "six",
            "six"
        ]
 
    fileprivate lazy var tableView: UITableView = {
        let tbl = UITableView(frame: .zero, style: .plain)
        tbl.separatorStyle = .none
        tbl.dataSource = self
        tbl.translatesAutoresizingMaskIntoConstraints = false
        tbl.register(CustomUITableViewCell.self, forCellReuseIdentifier: CustomUITableViewCell.identifier)
        return tbl
    }()
    
    override init(
        frame: CGRect = .zero
    ) {
        super.init(frame: frame)
        setupUIElements()
        setupConstraints()
    }
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    fileprivate func setupUIElements() {
        addSubview(tableView)
    }
    fileprivate func setupConstraints() {
        
        tableView.bottomAnchor.constraint(equalTo: bottomAnchor, constant: 0).isActive = true
        tableView.leadingAnchor.constraint(equalTo:leadingAnchor, constant: 0).isActive = true
        tableView.trailingAnchor.constraint(equalTo: trailingAnchor, constant: 0).isActive = true
        tableView.heightAnchor.constraint(equalToConstant: 300).isActive = true
    }
}

extension FirstViewUI: UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return names.count
    }
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        guard let cell = tableView.dequeueReusableCell(
                withIdentifier: CustomUITableViewCell.identifier,
                for: indexPath
        ) as? CustomUITableViewCell else {
            fatalError("Error in CustomUITableViewCell Cell")
        }
        cell.titleLabel.text = names[indexPath.row]
        return cell
    }
}