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Advanced iOS Design Patterns

Learn about advanced iOS design patterns like flyweight, mediator, composite, command, chain-of-responsibility, and coordinator. These might not have a place in your day-to-day development, but they’re still amazing patterns for your development toolbox! By Joshua Greene.

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Learning path

This is part of the iOS Design Patterns learning path. View Path.

Who is this for?

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

Covered concepts

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

Part 1: Advanced Design Patterns

1
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Discover what the flyweight pattern is, when to use it and how to use it. Let’s dive in!

Flyweight 5:33
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Discover what the flyweight pattern is, when to use it and how to use it. Let’s dive in!

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

Mediator 9:12
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Learn what the mediator pattern is, when to use it and how to use it.

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

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

Composite 6:20
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Learn what the composite pattern is, when to use it and how to use it.

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

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

Conclusion 0:44
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Review the patterns you’ve mastered so far, and find out what patterns are up next.

Part 2: More Advanced Design Patterns

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

Command 6:45
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Learn what the command pattern is, when to use it and how to use it.

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

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

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

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

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

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

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

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

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

Conclusion 1:21
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Congrats on finishing the course! Review what you’ve learned and find out where to go next.