UIDragInteractionDelegate.swift

extension ViewController: UIDragInteractionDelegate {
    //Método usado para pegar um item
    func dragInteraction(_ interaction: UIDragInteraction, itemsForBeginning session: UIDragSession) -> [UIDragItem] {
        if let textView = interaction.view as? UITextView {
            let textToDrag = textView.text
            let provider = NSItemProvider(object: textToDrag! as NSString)
            let item = UIDragItem(itemProvider: provider)
            return [item]
        }
        else if let imageView = interaction.view as? UIImageView {
            let imageToDrag = imageView.image
            let provider = NSItemProvider(object: imageToDrag!)
            let item = UIDragItem(itemProvider: provider)
            return [item]
        }
        return []
    }
}