Delegate/Protocol

A simple project to understand how to pass data between 2 View Controllers in Swift

Setup

There are 2 View Controllers: firstViewController and secondViewController

firstViewController

textField : Takes message that the user wants to pass to the secondViewController

sendButton: Button to segue to the next screen

responseLabel: A text label to recieve data from the secondViewController and print it reversed

secondViewController

recievedLabel: A text Label to display the message recieved from the firstViewController

backButton: A navigation bar button to go back to the firstViewController

Video Walkthrough