Magic 8 Ball

Introduction

Here is a video demonstrating the use of a Magic 8 Ball, and here is a detailed written description of the classic responses given by this mysterious and mystical device.

Command-line project

Here is the code for a complete command-line implementation of a Magic 8 Ball.

Create a new command-line project in Xcode, copy in the code provided above, and try it out.

iOS App

Use what you remember from last year to create an app with user interface for a phone-based version of a Magic 8 Ball:

After the user gets advice, the information should be added to a scrollable list:

If you need a refresher on some topics, use these resources:

• Adding a tappable button
• Taking action when a user provides text-based input
  • NOTE: This is even easier in iOS 17.
• Saving results in a list