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Multithreading and Grand Central Dispatch on iOS for Beginners Tutorial

Have you ever written an app where you tried to do something, and there was a long pause while the UI was unresponsive? This is usually a sign that your app needs multithreading! In this tutorial, you’ll get hands on experience with the core multithreading API available on iOS: Grand Central Dispatch. You’ll take an […]


This is a companion discussion topic for the original entry at https://www.raywenderlich.com/3049-multithreading-and-grand-central-dispatch-on-ios-for-beginners-tutorial

Anyone know of a working build? There was an outdated compiler error so I changed it to default and made a few other suggested changes and now there are 15 warnings and no errors, but I don’t think the app is working as expected.

Hi, yes, there were three issues with running initial app on ios 10, Xcode 8

After fixing the build settings and getting the project to run, I’m seeing the following errors:

This tutorial is more than six months old so questions are no longer supported at the moment for it. We will update it as soon as possible. Thank you! :]