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Udacity

Grand Central Dispatch (GCD)

via Udacity

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Overview

Apple's Grand Central Dispatch framework allows you to create asynchronous apps for iOS, ensuring a smooth user experience.

Syllabus

  • Closures Reloaded
    • Revisit the concept of closures in Swift. Learn a few properties of closures bypassed in Swift Syntax but are vital when dealing with GCD.
  • GCD and Queues
    • Understand how and what tasks you can run in the background on an app and what must always run in the foreground.
  • Backgrounding Lengthy Tasks
    • Create a simple app that downloads huge images. Apply your newly acquired knowledge to send this network lengthy task to the background in two different ways.

Taught by

Fernando Rodríguez

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