Multithreading in iOS

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Jasdev Singh edited this page Jan 26, 2016 · 7 revisions

Options

Grand Central Dispatch (w/ dispatch groups)
NSOperation (w/ NSOperationQueue)

Differences Between the Options

GCD

Simple block example (download an image and return to the main thread to set it)
More advanced example with doing background work on a queue
Present a Swift wrapper for GCD to make the APIs nicer to work with

NSOperation

Wallpaper Downloading NSOperation
Image Resizing NSOperation
Operation dependencies (using the previous two)
Show progress for an operation
Show how to enqueue operations

Wrap Up and Key Takeaways

Hello Manh Okne