iOS Programming Cookbook

Inserting cells with animation

Now, let's add a button to add a new task to the list.

1. Drag a Bar Button Item from Object Library and place it to the right of the top navigation bar. Also, change the item type from the Attribute Inspector tab to Add:

2. Now, open the Assistant Editor to link an action method to the bar button item:

      @IBAction func didClickOnAddButton(_ sender: AnyObject) { 
      } 

3. Now, add an IBOutlet to the table view in ViewController.swift, as follows:

      @IBOutlet weak var tasksTableView: UITableView! 

4. Now, let's add a function that will display a pop-up alert with a text field to ask the user to enter the task name:

 func ...