UITableViewCell Buttons with action

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I was resolving this using a cell delegate method within UITableViewCell’s subclass.

Quick overview:

1) Create a protocol

protocol YourCellDelegate : class {
    func didPressButton(_ tag: Int)
}

2) Subclass your UITableViewCell (if you haven’t done so):

class YourCell : UITableViewCell
{
     var cellDelegate: YourCellDelegate?   
      @IBOutlet weak var btn: UIButton!
    // connect the button from your cell with this method
    @IBAction func buttonPressed(_ sender: UIButton) {
        cellDelegate?.didPressButton(sender.tag)
    }         
    ...
}

3) Let your view controller conform to YourCellDelegate protocol that was implemented above.

class YourViewController: ..., YourCellDelegate {  ... }

4) Set a delegate, after the cell has been defined (for reusing).

let cell = tableView.dequeueReusableCell(withIdentifier: cellIdentifier, for: indexPath) as! YourCell
cell.cellDelegate = self
cell.btn.tag = indexPath.row

5) In the same controller (where is your implemented UITableView delegate/datasource), put a method from YourCellDelegate protocol.

func didPressButton(_ tag: Int) {
     print("I have pressed a button with a tag: \(tag)")
}

Now, your solution is not tag / number dependent. You can add as many buttons as you want, so you are ready to get response via delegate regardless how many buttons you want to install.

This protocol-delegate solution is preferred in iOS logic and it can be used for other elements in table cell, like UISwitch, UIStepper, and so on.

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