AlertKit/Example/Controllers/ViewController.swift

import UIKit
import SPAlert

class ViewController: UITableViewController {
    
    let data: [Alert] = [
        Alert(key: "Done", preset: .done, title: "Added to Library", subtitle: nil),
        Alert(key: "Heart", preset: .heart, title: "Love", subtitle: "We'll recommend more like this for you"),
        Alert(key: "Doc", preset: .doc, title: "Document saved", subtitle: "See in folder new file"),
        Alert(key: "Error", preset: .error, title: "Oops", subtitle: "Please try again later"),
        Alert(key: "Message", preset: nil, title: nil, subtitle: "Email required")
    ]
    
    var selectedIndexPath: IndexPath {
        willSet {
            tableView.cellForRow(at: self.selectedIndexPath)?.accessoryType = .none
        }
        didSet {
            if let cell = tableView.cellForRow(at: selectedIndexPath) {
                cell.accessoryType = .checkmark
            }
        }
    }
    
    init() {
        selectedIndexPath = IndexPath(row: 0, section: 0)
        if #available(iOS 13.0, *) {
            super.init(style: .insetGrouped)
        } else {
            super.init(style: .plain)
        }
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        navigationItem.title = "SPAlert"
        navigationItem.rightBarButtonItem = UIBarButtonItem.init(barButtonSystemItem: .play, target: self, action: #selector(self.showAlert))
        tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")
    }
    
    @objc func showAlert() {
        let alertData = data[selectedIndexPath.row]
        if let preset = alertData.preset {
            SPAlert.present(title: alertData.title ?? "Here title", message: alertData.subtitle, preset: preset)
        } else {
            SPAlert.present(message: alertData.subtitle ?? "Empty")
        }
    }
    
    typealias Alert = (key: String, preset: SPAlertPreset?, title: String?, subtitle: String?)
}

extension ViewController {
    
    override func numberOfSections(in tableView: UITableView) -> Int {
        return 1
    }
    
    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return data.count
    }
    
    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
        cell.textLabel?.text = data[indexPath.row].key
        cell.accessoryType = (indexPath == selectedIndexPath) ? .checkmark : .none
        cell.selectionStyle = .none
        return cell
    }
    
    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        selectedIndexPath = indexPath
    }
    
    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
        return "Choose preset"
    }
    
    override func tableView(_ tableView: UITableView, titleForFooterInSection section: Int) -> String? {
        return "You can pass your image or animatable view. See Readme for more details."
    }
}