Application Development with Swift 2 (Video 13)

This video tutorial explains how to work with interface files in Xcode, focusing on connecting UI elements to a view controller. It covers the use of the assistant editor to access properties and variables, and demonstrates how to connect outlets and actions for UI elements like buttons. The tutorial provides a step-by-step guide on using the connections inspector to create reference outlets and methods for UI interaction, preparing the groundwork for further development involving keyboard handling and notifications.

What is the purpose of an interface file in Xcode?

• To manage the app's lifecycle methods

• To provide a visual representation of the app's UI

• To store all private properties and methods

• To show non-private properties and methods implemented in Swift

Which tool is used to access properties and variables in the interface file?

• Project Navigator

• Assistant Editor

• Connections Inspector

• Utility Panel

What is the simplest way to create a reference outlet in Xcode?

• Using the Project Navigator

• Using the Assistant Editor

• Using the Connections Inspector

• Using the Debug Console

Which control event type is used to define button interactions?

• Editing Did End

• Value Changed

• Touch Up Inside

• Touch Down

What is the method name used for adding an image in the video tutorial?

• addImage

• insertImage

• uploadImage

• createImage