关于此课程

Many times your apps need to run lengthy operations in the background, like downloading data, but you don't want these operations to interfere with your UI.

Apple's GCD (long form: Grand Central Dispatch) framework allows you to create asynchronous apps for iOS, ensuring smooth a smooth user experience in situations like the one mentioned above.

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学费
免费
学习时间
大约 2 weeks
难度
中级
你将获得

Rich Learning Content

Interactive Quizzes

Taught by Industry Pros

Self-Paced Learning

Student Support Community

开始你的旅程

学习这门免费课程,迈出通往编程入门职业道路的第一步。

免费课程

Grand Central Dispatch (GCD)

通过创新性的自主学习方式,掌握新技能,提升竞争力。

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先修知识及要求

To be successful in this course, you should be comfortable programming in Swift, and understand closures. You can learn these skills in our Swift Syntax course.

Familiarity with The Hitchhiker's Guide to the Galaxy and The Matrix are also recommended in order to understand the jokes in this course.

查看使用优达学城的技术要求

为什么学习这门课程?

Almsot all Apps consume data from web services, and therefore must use background threads for these lengthy operations.

Even though we provide a black box solution for concurrency in the iOS Networking with Swift course, it is important that you understand how concurrency works in iOS.

This knowledge is vital to deliver Apps that won't be rejected from the App Store and also provide a great user experience.

On top of that, GCD is a frequent topic in iOS job interviews.

我将获得什么?
Instructor videos Learn by doing exercises Taught by industry professionals