Itinerary App - Part 15 - Images in Text Fields for Validation (iOS, Xco...

In this video you will learn different options for customizing the UITextField to show validation failed. Including how to add an image to the actual textfield, change it's color, border or placeholder text (hint text) if validation fails. These are just some of the options to indicate if text field validation fails. Combine, choose or invent ways to validate text fields in your app!

Itinerary App - Part 14 - Callbacks with Popups (iOS, Xcode 9, Swift 4)

We have a popup but how do we save the data entered into the modal popup? And when the popup closes, how do we know to reload the data in the table view to show the new data?

In this video you will learn how to do each of these things. You will learn what a callback is in iOS and the 2 steps to implement them. You will also learn how to define a function type in Swift and assign a value (or a function) to it.

Itinerary App - Part 13 - Popup To Add Data (iOS, Xcode 9, Swift 4)

In this video we will create a popup in a separate view controller so users can add data. We will refactor the storyboard to move the view controller into its own storyboard file. Then you will learn how to style controls by using subclassing. And when subclassing, you will learn about a few different options of where to put the styling code.