Introduction

Discover what the flyweight pattern is, when to use it and how to use it. Let’s dive in!

Flyweight

Discover what the flyweight pattern is, when to use it and how to use it. Let’s dive in!

Use Flyweight

Practice using the flyweight pattern in a real-world app called “Yeti Jokes” featuring some not-so-terrible dad jokes!

Mediator

Learn what the mediator pattern is, when to use it and how to use it.

Use Mediator Part 1

Practice using the mediator pattern in “Yeti Date”, a plan-your-date app.

Use Mediator Part 2

Finish using the mediator pattern to complete “Yeti Date”.

Composite

Learn what the composite pattern is, when to use it and how to use it.

Use Composite

Practice using the composite pattern in “Defeat Your To-do List”, a to-do list creator app.

Challenge: Identify Patterns

Practice identifying the patterns you’ve learned about so far, and when to use each.

Conclusion

Review the patterns you’ve mastered so far, and find out what patterns are up next.

Introduction

In this part, you’ll learn about the command, chain-of-responsibility and coordinator patterns.

Command

Learn what the command pattern is, when to use it and how to use it.

Use Command Part 1

Practice using the command pattern in a real-world app called “Ray Wen Toe”, a fun variation on Tic Tac Toe.

Use Command Part 2

Finish using the command pattern to complete “Ray Wen Toe”.

Chain-of-responsibility

Learn what the chain-of-responsibility pattern is, when to use it and how to use it.

Use Chain-of-responsibility

Practice using the chain-of-responsibility pattern in “RW Secret”, a secret phrase decryption app.

Coordinator Part 1

Learn what the coordinator pattern is, when to use it and how to use it.

Coordinator Part 2

Learn more about the coordinator pattern, and how to use it.

Use Coordinator Part 1

Practice using the coordinator pattern in “Ray Pets”, a pets-only clinic app.

Use Coordinator Part 2

Finish using the coordinator pattern to complete “Ray Pets”.

Challenge: Identify More Patterns

Practice identifying the patterns you’ve learned, and when to use each.

Conclusion

Congrats on finishing the course! Review what you’ve learned and find out where to go next.

This course is for intermediate to advanced iOS developers who have a working understanding of iOS development.

• Flyweight Pattern
• Mediator Pattern
• Composite Pattern
• Command Pattern
• Chain-of-responsibility Pattern
• Coordinator Pattern