Simple app

Question 1

What are builder interface constants?

Answer 1

• Are type qualifiers used by Interface Builder to create connections between user experience elements and app code.
• Examples: IBAction, IBOutlet

Question 2

What is IBAction?

Answer 2

• Is a type qualifier used by Builder Interface to expose a method as a connection point between user interface elements and app code.
• Create an action connection when you need to send a message from a control to your code.

Question 3

What is IBOutlet?

Answer 3

• Is a type qualifier used by Builder Interface to expose a symbol as a connection point to send messages from the app code to a user interface element.
• Create an outlet connection when you need to send a message from your code to a user interface object

Question 4

How to change the color of the status bar?

Answer 4

1. Go in the main file of the app and add the view option
2. Go to the AppDelegate and put in the method application.setStatusBarStyle(IUStatusBarStyle.LightContent)