pgpt10

if isToHideWidget
{
     NCWidgetController.widgetController().setHasContent(false, forWidgetWithBundleIdentifier: "YOUR_TODAY_EXTENSION_BUNDLE_IDENTIFIER")
}
else
{
     NCWidgetController.widgetController().setHasContent(true, forWidgetWithBundleIdentifier: "YOUR_TODAY_EXTENSION_BUNDLE_IDENTIFIER")
}

pgpt10

override func viewDidLoad()
{
    super.viewDidLoad()
                
    let button = UIButton(frame: CGRect(x: 0, y: 0, width: 50, height: 50))
    button.addTarget(self, action: #selector(buttonClick), for: .touchUpInside)
}

@objc func buttonClick() //Add @objc in method definition
{

pgpt10

class BaseCell: UITableViewCell
{
    func isBlank() -> Bool
    {
        return false
    }
    
    func isValid() -> Bool
    {
        return false

pgpt10

let attributedString = NSAttributedString(string: "This is an attributed string.",
                                          attributes: [NSAttributedStringKey.font: UIFont.systemFont(ofSize: 10.0)])

pgpt10

    @available(iOS 11.0, *)
    func tableView(_ tableView: UITableView, leadingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration?
    {
        let deleteAction = UIContextualAction(style: .destructive, title: "Add") { (action, view, handler) in
            print("Add Action Tapped")
        }
        deleteAction.backgroundColor = .green
        let configuration = UISwipeActionsConfiguration(actions: [deleteAction])
        return configuration
    }

pgpt10

    func tableView(_ tableView: UITableView, editActionsForRowAt indexPath: IndexPath) -> [UITableViewRowAction]?
    {
        let deleteAction = UITableViewRowAction(style: .destructive, title: "Delete") { (action, indexpath) in
            print("Delete Action Tapped")
        }
        deleteAction.backgroundColor = .red
        return [deleteAction]
    }

pgpt10

    @available(iOS 11.0, *)
    func tableView(_ tableView: UITableView, trailingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration?
    {
        let deleteAction = UIContextualAction(style: .destructive, title: "Delete") { (action, view, handler) in
            print("Delete Action Tapped")
        }
        deleteAction.backgroundColor = .red
        let configuration = UISwipeActionsConfiguration(actions: [deleteAction])
        configuration.performsFirstActionWithFullSwipe = false //HERE..
        return configuration

pgpt10

    func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool
    {
        return true
    }
    
    func tableView(_ tableView: UITableView, editActionsForRowAt indexPath: IndexPath) -> [UITableViewRowAction]?
    {
        //An array of UITableViewRowAction objects representing the actions for the row.
    }

pgpt10

struct Photo: Codable
{
    //String, URL, Bool and Date conform to Codable.
    var title: String
    var url: URL
    var isSample: Bool
    
    //The Dictionary is of type [String:String] and String already conforms to Codable.
    var metaData: [String:String]
    

pgpt10

let photoObject = Photo(title: "Hibiscus", url: URL(string: "https://www.flowers.com/hibiscus")!, isSample: false, metaData: ["color" : "red"], type: .flower, size: Size(width: 200, height: 200))
let encodedData = try? JSONEncoder().encode(photoObject)