[ios] UITableView example for Swift

In Swift 4.1 and Xcode 9.4.1

  1. Add UITableViewDataSource, UITableViewDelegate delegated to your class.

  2. Create table view variable and array.

  3. In viewDidLoad create table view.

  4. Call table view delegates

  5. Call table view delegate functions based on your requirement.

import UIKit
// 1
class yourViewController: UIViewController , UITableViewDataSource, UITableViewDelegate { 

// 2
var yourTableView:UITableView = UITableView()
let myArray = ["row 1", "row 2", "row 3", "row 4"]

override func viewDidLoad() {
    super.viewDidLoad()

    // 3
    yourTableView.frame = CGRect(x: 10, y: 10, width: view.frame.width-20, height: view.frame.height-200)
    self.view.addSubview(yourTableView)

    // 4
    yourTableView.dataSource = self
    yourTableView.delegate = self

}

// 5
// MARK - UITableView Delegates
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {

    return myArray.count
}

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

var cell : UITableViewCell? = tableView.dequeueReusableCell(withIdentifier: "cell")
    if cell == nil {
        cell = UITableViewCell(style: UITableViewCellStyle.default, reuseIdentifier: "cell")
    }
    if self. myArray.count > 0 {
        cell?.textLabel!.text = self. myArray[indexPath.row]
    }
    cell?.textLabel?.numberOfLines = 0

    return cell!
}

func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {

    return 50.0
}

If you are using storyboard, no need for Step 3.

But you need to create IBOutlet for your table view before Step 4.

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